diff options
Diffstat (limited to 'arch/tile/include/asm')
116 files changed, 12011 insertions, 0 deletions
diff --git a/arch/tile/include/asm/Kbuild b/arch/tile/include/asm/Kbuild new file mode 100644 index 0000000..3b8f55b --- /dev/null +++ b/arch/tile/include/asm/Kbuild @@ -0,0 +1,3 @@ +include include/asm-generic/Kbuild.asm + +header-y += ucontext.h diff --git a/arch/tile/include/asm/asm-offsets.h b/arch/tile/include/asm/asm-offsets.h new file mode 100644 index 0000000..d370ee3 --- /dev/null +++ b/arch/tile/include/asm/asm-offsets.h @@ -0,0 +1 @@ +#include <generated/asm-offsets.h> diff --git a/arch/tile/include/asm/atomic.h b/arch/tile/include/asm/atomic.h new file mode 100644 index 0000000..b8c49f9 --- /dev/null +++ b/arch/tile/include/asm/atomic.h @@ -0,0 +1,159 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + * + * Atomic primitives. + */ + +#ifndef _ASM_TILE_ATOMIC_H +#define _ASM_TILE_ATOMIC_H + +#ifndef __ASSEMBLY__ + +#include <linux/compiler.h> +#include <asm/system.h> + +#define ATOMIC_INIT(i) { (i) } + +/** + * atomic_read - read atomic variable + * @v: pointer of type atomic_t + * + * Atomically reads the value of @v. + */ +static inline int atomic_read(const atomic_t *v) +{ + return v->counter; +} + +/** + * atomic_sub_return - subtract integer and return + * @v: pointer of type atomic_t + * @i: integer value to subtract + * + * Atomically subtracts @i from @v and returns @v - @i + */ +#define atomic_sub_return(i, v) atomic_add_return((int)(-(i)), (v)) + +/** + * atomic_sub - subtract integer from atomic variable + * @i: integer value to subtract + * @v: pointer of type atomic_t + * + * Atomically subtracts @i from @v. + */ +#define atomic_sub(i, v) atomic_add((int)(-(i)), (v)) + +/** + * atomic_sub_and_test - subtract value from variable and test result + * @i: integer value to subtract + * @v: pointer of type atomic_t + * + * Atomically subtracts @i from @v and returns true if the result is + * zero, or false for all other cases. + */ +#define atomic_sub_and_test(i, v) (atomic_sub_return((i), (v)) == 0) + +/** + * atomic_inc_return - increment memory and return + * @v: pointer of type atomic_t + * + * Atomically increments @v by 1 and returns the new value. + */ +#define atomic_inc_return(v) atomic_add_return(1, (v)) + +/** + * atomic_dec_return - decrement memory and return + * @v: pointer of type atomic_t + * + * Atomically decrements @v by 1 and returns the new value. + */ +#define atomic_dec_return(v) atomic_sub_return(1, (v)) + +/** + * atomic_inc - increment atomic variable + * @v: pointer of type atomic_t + * + * Atomically increments @v by 1. + */ +#define atomic_inc(v) atomic_add(1, (v)) + +/** + * atomic_dec - decrement atomic variable + * @v: pointer of type atomic_t + * + * Atomically decrements @v by 1. + */ +#define atomic_dec(v) atomic_sub(1, (v)) + +/** + * atomic_dec_and_test - decrement and test + * @v: pointer of type atomic_t + * + * Atomically decrements @v by 1 and returns true if the result is 0. + */ +#define atomic_dec_and_test(v) (atomic_dec_return(v) == 0) + +/** + * atomic_inc_and_test - increment and test + * @v: pointer of type atomic_t + * + * Atomically increments @v by 1 and returns true if the result is 0. + */ +#define atomic_inc_and_test(v) (atomic_inc_return(v) == 0) + +/** + * atomic_add_negative - add and test if negative + * @v: pointer of type atomic_t + * @i: integer value to add + * + * Atomically adds @i to @v and returns true if the result is + * negative, or false when result is greater than or equal to zero. + */ +#define atomic_add_negative(i, v) (atomic_add_return((i), (v)) < 0) + +/** + * atomic_inc_not_zero - increment unless the number is zero + * @v: pointer of type atomic_t + * + * Atomically increments @v by 1, so long as @v is non-zero. + * Returns non-zero if @v was non-zero, and zero otherwise. + */ +#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) + + +/* + * We define xchg() and cmpxchg() in the included headers. + * Note that we do not define __HAVE_ARCH_CMPXCHG, since that would imply + * that cmpxchg() is an efficient operation, which is not particularly true. + */ + +/* Nonexistent functions intended to cause link errors. */ +extern unsigned long __xchg_called_with_bad_pointer(void); +extern unsigned long __cmpxchg_called_with_bad_pointer(void); + +#define tas(ptr) (xchg((ptr), 1)) + +#endif /* __ASSEMBLY__ */ + +#ifndef __tilegx__ +#include <asm/atomic_32.h> +#else +#include <asm/atomic_64.h> +#endif + +/* Provide the appropriate atomic_long_t definitions. */ +#ifndef __ASSEMBLY__ +#include <asm-generic/atomic-long.h> +#endif + +#endif /* _ASM_TILE_ATOMIC_H */ diff --git a/arch/tile/include/asm/atomic_32.h b/arch/tile/include/asm/atomic_32.h new file mode 100644 index 0000000..e4f8b4f --- /dev/null +++ b/arch/tile/include/asm/atomic_32.h @@ -0,0 +1,353 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + * + * Do not include directly; use <asm/atomic.h>. + */ + +#ifndef _ASM_TILE_ATOMIC_32_H +#define _ASM_TILE_ATOMIC_32_H + +#include <arch/chip.h> + +#ifndef __ASSEMBLY__ + +/* Tile-specific routines to support <asm/atomic.h>. */ +int _atomic_xchg(atomic_t *v, int n); +int _atomic_xchg_add(atomic_t *v, int i); +int _atomic_xchg_add_unless(atomic_t *v, int a, int u); +int _atomic_cmpxchg(atomic_t *v, int o, int n); + +/** + * atomic_xchg - atomically exchange contents of memory with a new value + * @v: pointer of type atomic_t + * @i: integer value to store in memory + * + * Atomically sets @v to @i and returns old @v + */ +static inline int atomic_xchg(atomic_t *v, int n) +{ + smp_mb(); /* barrier for proper semantics */ + return _atomic_xchg(v, n); +} + +/** + * atomic_cmpxchg - atomically exchange contents of memory if it matches + * @v: pointer of type atomic_t + * @o: old value that memory should have + * @n: new value to write to memory if it matches + * + * Atomically checks if @v holds @o and replaces it with @n if so. + * Returns the old value at @v. + */ +static inline int atomic_cmpxchg(atomic_t *v, int o, int n) +{ + smp_mb(); /* barrier for proper semantics */ + return _atomic_cmpxchg(v, o, n); +} + +/** + * atomic_add - add integer to atomic variable + * @i: integer value to add + * @v: pointer of type atomic_t + * + * Atomically adds @i to @v. + */ +static inline void atomic_add(int i, atomic_t *v) +{ + _atomic_xchg_add(v, i); +} + +/** + * atomic_add_return - add integer and return + * @v: pointer of type atomic_t + * @i: integer value to add + * + * Atomically adds @i to @v and returns @i + @v + */ +static inline int atomic_add_return(int i, atomic_t *v) +{ + smp_mb(); /* barrier for proper semantics */ + return _atomic_xchg_add(v, i) + i; +} + +/** + * atomic_add_unless - add unless the number is already a given value + * @v: pointer of type atomic_t + * @a: the amount to add to v... + * @u: ...unless v is equal to u. + * + * Atomically adds @a to @v, so long as @v was not already @u. + * Returns non-zero if @v was not @u, and zero otherwise. + */ +static inline int atomic_add_unless(atomic_t *v, int a, int u) +{ + smp_mb(); /* barrier for proper semantics */ + return _atomic_xchg_add_unless(v, a, u) != u; +} + +/** + * atomic_set - set atomic variable + * @v: pointer of type atomic_t + * @i: required value + * + * Atomically sets the value of @v to @i. + * + * atomic_set() can't be just a raw store, since it would be lost if it + * fell between the load and store of one of the other atomic ops. + */ +static inline void atomic_set(atomic_t *v, int n) +{ + _atomic_xchg(v, n); +} + +#define xchg(ptr, x) ((typeof(*(ptr))) \ + ((sizeof(*(ptr)) == sizeof(atomic_t)) ? \ + atomic_xchg((atomic_t *)(ptr), (long)(x)) : \ + __xchg_called_with_bad_pointer())) + +#define cmpxchg(ptr, o, n) ((typeof(*(ptr))) \ + ((sizeof(*(ptr)) == sizeof(atomic_t)) ? \ + atomic_cmpxchg((atomic_t *)(ptr), (long)(o), (long)(n)) : \ + __cmpxchg_called_with_bad_pointer())) + +/* A 64bit atomic type */ + +typedef struct { + u64 __aligned(8) counter; +} atomic64_t; + +#define ATOMIC64_INIT(val) { (val) } + +u64 _atomic64_xchg(atomic64_t *v, u64 n); +u64 _atomic64_xchg_add(atomic64_t *v, u64 i); +u64 _atomic64_xchg_add_unless(atomic64_t *v, u64 a, u64 u); +u64 _atomic64_cmpxchg(atomic64_t *v, u64 o, u64 n); + +/** + * atomic64_read - read atomic variable + * @v: pointer of type atomic64_t + * + * Atomically reads the value of @v. + */ +static inline u64 atomic64_read(const atomic64_t *v) +{ + /* + * Requires an atomic op to read both 32-bit parts consistently. + * Casting away const is safe since the atomic support routines + * do not write to memory if the value has not been modified. + */ + return _atomic64_xchg_add((atomic64_t *)v, 0); +} + +/** + * atomic64_xchg - atomically exchange contents of memory with a new value + * @v: pointer of type atomic64_t + * @i: integer value to store in memory + * + * Atomically sets @v to @i and returns old @v + */ +static inline u64 atomic64_xchg(atomic64_t *v, u64 n) +{ + smp_mb(); /* barrier for proper semantics */ + return _atomic64_xchg(v, n); +} + +/** + * atomic64_cmpxchg - atomically exchange contents of memory if it matches + * @v: pointer of type atomic64_t + * @o: old value that memory should have + * @n: new value to write to memory if it matches + * + * Atomically checks if @v holds @o and replaces it with @n if so. + * Returns the old value at @v. + */ +static inline u64 atomic64_cmpxchg(atomic64_t *v, u64 o, u64 n) +{ + smp_mb(); /* barrier for proper semantics */ + return _atomic64_cmpxchg(v, o, n); +} + +/** + * atomic64_add - add integer to atomic variable + * @i: integer value to add + * @v: pointer of type atomic64_t + * + * Atomically adds @i to @v. + */ +static inline void atomic64_add(u64 i, atomic64_t *v) +{ + _atomic64_xchg_add(v, i); +} + +/** + * atomic64_add_return - add integer and return + * @v: pointer of type atomic64_t + * @i: integer value to add + * + * Atomically adds @i to @v and returns @i + @v + */ +static inline u64 atomic64_add_return(u64 i, atomic64_t *v) +{ + smp_mb(); /* barrier for proper semantics */ + return _atomic64_xchg_add(v, i) + i; +} + +/** + * atomic64_add_unless - add unless the number is already a given value + * @v: pointer of type atomic64_t + * @a: the amount to add to v... + * @u: ...unless v is equal to u. + * + * Atomically adds @a to @v, so long as @v was not already @u. + * Returns non-zero if @v was not @u, and zero otherwise. + */ +static inline u64 atomic64_add_unless(atomic64_t *v, u64 a, u64 u) +{ + smp_mb(); /* barrier for proper semantics */ + return _atomic64_xchg_add_unless(v, a, u) != u; +} + +/** + * atomic64_set - set atomic variable + * @v: pointer of type atomic64_t + * @i: required value + * + * Atomically sets the value of @v to @i. + * + * atomic64_set() can't be just a raw store, since it would be lost if it + * fell between the load and store of one of the other atomic ops. + */ +static inline void atomic64_set(atomic64_t *v, u64 n) +{ + _atomic64_xchg(v, n); +} + +#define atomic64_add_negative(a, v) (atomic64_add_return((a), (v)) < 0) +#define atomic64_inc(v) atomic64_add(1LL, (v)) +#define atomic64_inc_return(v) atomic64_add_return(1LL, (v)) +#define atomic64_inc_and_test(v) (atomic64_inc_return(v) == 0) +#define atomic64_sub_return(i, v) atomic64_add_return(-(i), (v)) +#define atomic64_sub_and_test(a, v) (atomic64_sub_return((a), (v)) == 0) +#define atomic64_sub(i, v) atomic64_add(-(i), (v)) +#define atomic64_dec(v) atomic64_sub(1LL, (v)) +#define atomic64_dec_return(v) atomic64_sub_return(1LL, (v)) +#define atomic64_dec_and_test(v) (atomic64_dec_return((v)) == 0) +#define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1LL, 0LL) + +/* + * We need to barrier before modifying the word, since the _atomic_xxx() + * routines just tns the lock and then read/modify/write of the word. + * But after the word is updated, the routine issues an "mf" before returning, + * and since it's a function call, we don't even need a compiler barrier. + */ +#define smp_mb__before_atomic_dec() smp_mb() +#define smp_mb__before_atomic_inc() smp_mb() +#define smp_mb__after_atomic_dec() do { } while (0) +#define smp_mb__after_atomic_inc() do { } while (0) + + +/* + * Support "tns" atomic integers. These are atomic integers that can + * hold any value but "1". They are more efficient than regular atomic + * operations because the "lock" (aka acquire) step is a single "tns" + * in the uncontended case, and the "unlock" (aka release) step is a + * single "store" without an mf. (However, note that on tilepro the + * "tns" will evict the local cache line, so it's not all upside.) + * + * Note that you can ONLY observe the value stored in the pointer + * using these operations; a direct read of the value may confusingly + * return the special value "1". + */ + +int __tns_atomic_acquire(atomic_t *); +void __tns_atomic_release(atomic_t *p, int v); + +static inline void tns_atomic_set(atomic_t *v, int i) +{ + __tns_atomic_acquire(v); + __tns_atomic_release(v, i); +} + +static inline int tns_atomic_cmpxchg(atomic_t *v, int o, int n) +{ + int ret = __tns_atomic_acquire(v); + __tns_atomic_release(v, (ret == o) ? n : ret); + return ret; +} + +static inline int tns_atomic_xchg(atomic_t *v, int n) +{ + int ret = __tns_atomic_acquire(v); + __tns_atomic_release(v, n); + return ret; +} + +#endif /* !__ASSEMBLY__ */ + +/* + * Internal definitions only beyond this point. + */ + +#define ATOMIC_LOCKS_FOUND_VIA_TABLE() \ + (!CHIP_HAS_CBOX_HOME_MAP() && defined(CONFIG_SMP)) + +#if ATOMIC_LOCKS_FOUND_VIA_TABLE() + +/* Number of entries in atomic_lock_ptr[]. */ +#define ATOMIC_HASH_L1_SHIFT 6 +#define ATOMIC_HASH_L1_SIZE (1 << ATOMIC_HASH_L1_SHIFT) + +/* Number of locks in each struct pointed to by atomic_lock_ptr[]. */ +#define ATOMIC_HASH_L2_SHIFT (CHIP_L2_LOG_LINE_SIZE() - 2) +#define ATOMIC_HASH_L2_SIZE (1 << ATOMIC_HASH_L2_SHIFT) + +#else /* ATOMIC_LOCKS_FOUND_VIA_TABLE() */ + +/* + * Number of atomic locks in atomic_locks[]. Must be a power of two. + * There is no reason for more than PAGE_SIZE / 8 entries, since that + * is the maximum number of pointer bits we can use to index this. + * And we cannot have more than PAGE_SIZE / 4, since this has to + * fit on a single page and each entry takes 4 bytes. + */ +#define ATOMIC_HASH_SHIFT (PAGE_SHIFT - 3) +#define ATOMIC_HASH_SIZE (1 << ATOMIC_HASH_SHIFT) + +#ifndef __ASSEMBLY__ +extern int atomic_locks[]; +#endif + +#endif /* ATOMIC_LOCKS_FOUND_VIA_TABLE() */ + +/* + * All the code that may fault while holding an atomic lock must + * place the pointer to the lock in ATOMIC_LOCK_REG so the fault code + * can correctly release and reacquire the lock. Note that we + * mention the register number in a comment in "lib/atomic_asm.S" to help + * assembly coders from using this register by mistake, so if it + * is changed here, change that comment as well. + */ +#define ATOMIC_LOCK_REG 20 +#define ATOMIC_LOCK_REG_NAME r20 + +#ifndef __ASSEMBLY__ +/* Called from setup to initialize a hash table to point to per_cpu locks. */ +void __init_atomic_per_cpu(void); + +#ifdef CONFIG_SMP +/* Support releasing the atomic lock in do_page_fault_ics(). */ +void __atomic_fault_unlock(int *lock_ptr); +#endif +#endif /* !__ASSEMBLY__ */ + +#endif /* _ASM_TILE_ATOMIC_32_H */ diff --git a/arch/tile/include/asm/auxvec.h b/arch/tile/include/asm/auxvec.h new file mode 100644 index 0000000..1d393ed --- /dev/null +++ b/arch/tile/include/asm/auxvec.h @@ -0,0 +1,20 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_AUXVEC_H +#define _ASM_TILE_AUXVEC_H + +/* No extensions to auxvec */ + +#endif /* _ASM_TILE_AUXVEC_H */ diff --git a/arch/tile/include/asm/backtrace.h b/arch/tile/include/asm/backtrace.h new file mode 100644 index 0000000..6970bfc --- /dev/null +++ b/arch/tile/include/asm/backtrace.h @@ -0,0 +1,193 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _TILE_BACKTRACE_H +#define _TILE_BACKTRACE_H + + + +#include <linux/types.h> + +#include <arch/chip.h> + +#if CHIP_VA_WIDTH() > 32 +typedef unsigned long long VirtualAddress; +#else +typedef unsigned int VirtualAddress; +#endif + + +/** Reads 'size' bytes from 'address' and writes the data to 'result'. + * Returns true if successful, else false (e.g. memory not readable). + */ +typedef bool (*BacktraceMemoryReader)(void *result, + VirtualAddress address, + unsigned int size, + void *extra); + +typedef struct { + /** Current PC. */ + VirtualAddress pc; + + /** Current stack pointer value. */ + VirtualAddress sp; + + /** Current frame pointer value (i.e. caller's stack pointer) */ + VirtualAddress fp; + + /** Internal use only: caller's PC for first frame. */ + VirtualAddress initial_frame_caller_pc; + + /** Internal use only: callback to read memory. */ + BacktraceMemoryReader read_memory_func; + + /** Internal use only: arbitrary argument to read_memory_func. */ + void *read_memory_func_extra; + +} BacktraceIterator; + + +/** Initializes a backtracer to start from the given location. + * + * If the frame pointer cannot be determined it is set to -1. + * + * @param state The state to be filled in. + * @param read_memory_func A callback that reads memory. If NULL, a default + * value is provided. + * @param read_memory_func_extra An arbitrary argument to read_memory_func. + * @param pc The current PC. + * @param lr The current value of the 'lr' register. + * @param sp The current value of the 'sp' register. + * @param r52 The current value of the 'r52' register. + */ +extern void backtrace_init(BacktraceIterator *state, + BacktraceMemoryReader read_memory_func, + void *read_memory_func_extra, + VirtualAddress pc, VirtualAddress lr, + VirtualAddress sp, VirtualAddress r52); + + +/** Advances the backtracing state to the calling frame, returning + * true iff successful. + */ +extern bool backtrace_next(BacktraceIterator *state); + + +typedef enum { + + /* We have no idea what the caller's pc is. */ + PC_LOC_UNKNOWN, + + /* The caller's pc is currently in lr. */ + PC_LOC_IN_LR, + + /* The caller's pc can be found by dereferencing the caller's sp. */ + PC_LOC_ON_STACK + +} CallerPCLocation; + + +typedef enum { + + /* We have no idea what the caller's sp is. */ + SP_LOC_UNKNOWN, + + /* The caller's sp is currently in r52. */ + SP_LOC_IN_R52, + + /* The caller's sp can be found by adding a certain constant + * to the current value of sp. + */ + SP_LOC_OFFSET + +} CallerSPLocation; + + +/* Bit values ORed into CALLER_* values for info ops. */ +enum { + /* Setting the low bit on any of these values means the info op + * applies only to one bundle ago. + */ + ONE_BUNDLE_AGO_FLAG = 1, + + /* Setting this bit on a CALLER_SP_* value means the PC is in LR. + * If not set, PC is on the stack. + */ + PC_IN_LR_FLAG = 2, + + /* This many of the low bits of a CALLER_SP_* value are for the + * flag bits above. + */ + NUM_INFO_OP_FLAGS = 2, + + /* We cannot have one in the memory pipe so this is the maximum. */ + MAX_INFO_OPS_PER_BUNDLE = 2 +}; + + +/** Internal constants used to define 'info' operands. */ +enum { + /* 0 and 1 are reserved, as are all negative numbers. */ + + CALLER_UNKNOWN_BASE = 2, + + CALLER_SP_IN_R52_BASE = 4, + + CALLER_SP_OFFSET_BASE = 8 +}; + + +/** Current backtracer state describing where it thinks the caller is. */ +typedef struct { + /* + * Public fields + */ + + /* How do we find the caller's PC? */ + CallerPCLocation pc_location : 8; + + /* How do we find the caller's SP? */ + CallerSPLocation sp_location : 8; + + /* If sp_location == SP_LOC_OFFSET, then caller_sp == sp + + * loc->sp_offset. Else this field is undefined. + */ + uint16_t sp_offset; + + /* In the most recently visited bundle a terminating bundle? */ + bool at_terminating_bundle; + + /* + * Private fields + */ + + /* Will the forward scanner see someone clobbering sp + * (i.e. changing it with something other than addi sp, sp, N?) + */ + bool sp_clobber_follows; + + /* Operand to next "visible" info op (no more than one bundle past + * the next terminating bundle), or -32768 if none. + */ + int16_t next_info_operand; + + /* Is the info of in next_info_op in the very next bundle? */ + bool is_next_info_operand_adjacent; + +} CallerLocation; + + + + +#endif /* _TILE_BACKTRACE_H */ diff --git a/arch/tile/include/asm/bitops.h b/arch/tile/include/asm/bitops.h new file mode 100644 index 0000000..84600f3 --- /dev/null +++ b/arch/tile/include/asm/bitops.h @@ -0,0 +1,126 @@ +/* + * Copyright 1992, Linus Torvalds. + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_BITOPS_H +#define _ASM_TILE_BITOPS_H + +#include <linux/types.h> + +#ifndef _LINUX_BITOPS_H +#error only <linux/bitops.h> can be included directly +#endif + +#ifdef __tilegx__ +#include <asm/bitops_64.h> +#else +#include <asm/bitops_32.h> +#endif + +/** + * __ffs - find first set bit in word + * @word: The word to search + * + * Undefined if no set bit exists, so code should check against 0 first. + */ +static inline unsigned long __ffs(unsigned long word) +{ + return __builtin_ctzl(word); +} + +/** + * ffz - find first zero bit in word + * @word: The word to search + * + * Undefined if no zero exists, so code should check against ~0UL first. + */ +static inline unsigned long ffz(unsigned long word) +{ + return __builtin_ctzl(~word); +} + +/** + * __fls - find last set bit in word + * @word: The word to search + * + * Undefined if no set bit exists, so code should check against 0 first. + */ +static inline unsigned long __fls(unsigned long word) +{ + return (sizeof(word) * 8) - 1 - __builtin_clzl(word); +} + +/** + * ffs - find first set bit in word + * @x: the word to search + * + * This is defined the same way as the libc and compiler builtin ffs + * routines, therefore differs in spirit from the other bitops. + * + * ffs(value) returns 0 if value is 0 or the position of the first + * set bit if value is nonzero. The first (least significant) bit + * is at position 1. + */ +static inline int ffs(int x) +{ + return __builtin_ffs(x); +} + +/** + * fls - find last set bit in word + * @x: the word to search + * + * This is defined in a similar way as the libc and compiler builtin + * ffs, but returns the position of the most significant set bit. + * + * fls(value) returns 0 if value is 0 or the position of the last + * set bit if value is nonzero. The last (most significant) bit is + * at position 32. + */ +static inline int fls(int x) +{ + return (sizeof(int) * 8) - __builtin_clz(x); +} + +static inline int fls64(__u64 w) +{ + return (sizeof(__u64) * 8) - __builtin_clzll(w); +} + +static inline unsigned int hweight32(unsigned int w) +{ + return __builtin_popcount(w); +} + +static inline unsigned int hweight16(unsigned int w) +{ + return __builtin_popcount(w & 0xffff); +} + +static inline unsigned int hweight8(unsigned int w) +{ + return __builtin_popcount(w & 0xff); +} + +static inline unsigned long hweight64(__u64 w) +{ + return __builtin_popcountll(w); +} + +#include <asm-generic/bitops/lock.h> +#include <asm-generic/bitops/sched.h> +#include <asm-generic/bitops/ext2-non-atomic.h> +#include <asm-generic/bitops/minix.h> + +#endif /* _ASM_TILE_BITOPS_H */ diff --git a/arch/tile/include/asm/bitops_32.h b/arch/tile/include/asm/bitops_32.h new file mode 100644 index 0000000..7a93c00 --- /dev/null +++ b/arch/tile/include/asm/bitops_32.h @@ -0,0 +1,132 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_BITOPS_32_H +#define _ASM_TILE_BITOPS_32_H + +#include <linux/compiler.h> +#include <asm/atomic.h> +#include <asm/system.h> + +/* Tile-specific routines to support <asm/bitops.h>. */ +unsigned long _atomic_or(volatile unsigned long *p, unsigned long mask); +unsigned long _atomic_andn(volatile unsigned long *p, unsigned long mask); +unsigned long _atomic_xor(volatile unsigned long *p, unsigned long mask); + +/** + * set_bit - Atomically set a bit in memory + * @nr: the bit to set + * @addr: the address to start counting from + * + * This function is atomic and may not be reordered. + * See __set_bit() if you do not require the atomic guarantees. + * Note that @nr may be almost arbitrarily large; this function is not + * restricted to acting on a single-word quantity. + */ +static inline void set_bit(unsigned nr, volatile unsigned long *addr) +{ + _atomic_or(addr + BIT_WORD(nr), BIT_MASK(nr)); +} + +/** + * clear_bit - Clears a bit in memory + * @nr: Bit to clear + * @addr: Address to start counting from + * + * clear_bit() is atomic and may not be reordered. + * See __clear_bit() if you do not require the atomic guarantees. + * Note that @nr may be almost arbitrarily large; this function is not + * restricted to acting on a single-word quantity. + * + * clear_bit() may not contain a memory barrier, so if it is used for + * locking purposes, you should call smp_mb__before_clear_bit() and/or + * smp_mb__after_clear_bit() to ensure changes are visible on other cpus. + */ +static inline void clear_bit(unsigned nr, volatile unsigned long *addr) +{ + _atomic_andn(addr + BIT_WORD(nr), BIT_MASK(nr)); +} + +/** + * change_bit - Toggle a bit in memory + * @nr: Bit to change + * @addr: Address to start counting from + * + * change_bit() is atomic and may not be reordered. + * See __change_bit() if you do not require the atomic guarantees. + * Note that @nr may be almost arbitrarily large; this function is not + * restricted to acting on a single-word quantity. + */ +static inline void change_bit(unsigned nr, volatile unsigned long *addr) +{ + _atomic_xor(addr + BIT_WORD(nr), BIT_MASK(nr)); +} + +/** + * test_and_set_bit - Set a bit and return its old value + * @nr: Bit to set + * @addr: Address to count from + * + * This operation is atomic and cannot be reordered. + * It also implies a memory barrier. + */ +static inline int test_and_set_bit(unsigned nr, volatile unsigned long *addr) +{ + unsigned long mask = BIT_MASK(nr); + addr += BIT_WORD(nr); + smp_mb(); /* barrier for proper semantics */ + return (_atomic_or(addr, mask) & mask) != 0; +} + +/** + * test_and_clear_bit - Clear a bit and return its old value + * @nr: Bit to clear + * @addr: Address to count from + * + * This operation is atomic and cannot be reordered. + * It also implies a memory barrier. + */ +static inline int test_and_clear_bit(unsigned nr, volatile unsigned long *addr) +{ + unsigned long mask = BIT_MASK(nr); + addr += BIT_WORD(nr); + smp_mb(); /* barrier for proper semantics */ + return (_atomic_andn(addr, mask) & mask) != 0; +} + +/** + * test_and_change_bit - Change a bit and return its old value + * @nr: Bit to change + * @addr: Address to count from + * + * This operation is atomic and cannot be reordered. + * It also implies a memory barrier. + */ +static inline int test_and_change_bit(unsigned nr, + volatile unsigned long *addr) +{ + unsigned long mask = BIT_MASK(nr); + addr += BIT_WORD(nr); + smp_mb(); /* barrier for proper semantics */ + return (_atomic_xor(addr, mask) & mask) != 0; +} + +/* See discussion at smp_mb__before_atomic_dec() in <asm/atomic.h>. */ +#define smp_mb__before_clear_bit() smp_mb() +#define smp_mb__after_clear_bit() do {} while (0) + +#include <asm-generic/bitops/non-atomic.h> +#include <asm-generic/bitops/ext2-atomic.h> + +#endif /* _ASM_TILE_BITOPS_32_H */ diff --git a/arch/tile/include/asm/bitsperlong.h b/arch/tile/include/asm/bitsperlong.h new file mode 100644 index 0000000..58c771f --- /dev/null +++ b/arch/tile/include/asm/bitsperlong.h @@ -0,0 +1,26 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_BITSPERLONG_H +#define _ASM_TILE_BITSPERLONG_H + +#ifdef __LP64__ +# define __BITS_PER_LONG 64 +#else +# define __BITS_PER_LONG 32 +#endif + +#include <asm-generic/bitsperlong.h> + +#endif /* _ASM_TILE_BITSPERLONG_H */ diff --git a/arch/tile/include/asm/bug.h b/arch/tile/include/asm/bug.h new file mode 100644 index 0000000..b12fd89 --- /dev/null +++ b/arch/tile/include/asm/bug.h @@ -0,0 +1 @@ +#include <asm-generic/bug.h> diff --git a/arch/tile/include/asm/bugs.h b/arch/tile/include/asm/bugs.h new file mode 100644 index 0000000..61791e1 --- /dev/null +++ b/arch/tile/include/asm/bugs.h @@ -0,0 +1 @@ +#include <asm-generic/bugs.h> diff --git a/arch/tile/include/asm/byteorder.h b/arch/tile/include/asm/byteorder.h new file mode 100644 index 0000000..9558416 --- /dev/null +++ b/arch/tile/include/asm/byteorder.h @@ -0,0 +1 @@ +#include <linux/byteorder/little_endian.h> diff --git a/arch/tile/include/asm/cache.h b/arch/tile/include/asm/cache.h new file mode 100644 index 0000000..c2b7dcf --- /dev/null +++ b/arch/tile/include/asm/cache.h @@ -0,0 +1,50 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_CACHE_H +#define _ASM_TILE_CACHE_H + +#include <arch/chip.h> + +/* bytes per L1 data cache line */ +#define L1_CACHE_SHIFT CHIP_L1D_LOG_LINE_SIZE() +#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) +#define L1_CACHE_ALIGN(x) (((x)+(L1_CACHE_BYTES-1)) & -L1_CACHE_BYTES) + +/* bytes per L1 instruction cache line */ +#define L1I_CACHE_SHIFT CHIP_L1I_LOG_LINE_SIZE() +#define L1I_CACHE_BYTES (1 << L1I_CACHE_SHIFT) +#define L1I_CACHE_ALIGN(x) (((x)+(L1I_CACHE_BYTES-1)) & -L1I_CACHE_BYTES) + +/* bytes per L2 cache line */ +#define L2_CACHE_SHIFT CHIP_L2_LOG_LINE_SIZE() +#define L2_CACHE_BYTES (1 << L2_CACHE_SHIFT) +#define L2_CACHE_ALIGN(x) (((x)+(L2_CACHE_BYTES-1)) & -L2_CACHE_BYTES) + +/* use the cache line size for the L2, which is where it counts */ +#define SMP_CACHE_BYTES_SHIFT L2_CACHE_SHIFT +#define SMP_CACHE_BYTES L2_CACHE_BYTES +#define INTERNODE_CACHE_SHIFT L2_CACHE_SHIFT +#define INTERNODE_CACHE_BYTES L2_CACHE_BYTES + +/* Group together read-mostly things to avoid cache false sharing */ +#define __read_mostly __attribute__((__section__(".data.read_mostly"))) + +/* + * Attribute for data that is kept read/write coherent until the end of + * initialization, then bumped to read/only incoherent for performance. + */ +#define __write_once __attribute__((__section__(".w1data"))) + +#endif /* _ASM_TILE_CACHE_H */ diff --git a/arch/tile/include/asm/cacheflush.h b/arch/tile/include/asm/cacheflush.h new file mode 100644 index 0000000..7e2096a --- /dev/null +++ b/arch/tile/include/asm/cacheflush.h @@ -0,0 +1,145 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_CACHEFLUSH_H +#define _ASM_TILE_CACHEFLUSH_H + +#include <arch/chip.h> + +/* Keep includes the same across arches. */ +#include <linux/mm.h> +#include <linux/cache.h> +#include <asm/system.h> + +/* Caches are physically-indexed and so don't need special treatment */ +#define flush_cache_all() do { } while (0) +#define flush_cache_mm(mm) do { } while (0) +#define flush_cache_dup_mm(mm) do { } while (0) +#define flush_cache_range(vma, start, end) do { } while (0) +#define flush_cache_page(vma, vmaddr, pfn) do { } while (0) +#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0 +#define flush_dcache_page(page) do { } while (0) +#define flush_dcache_mmap_lock(mapping) do { } while (0) +#define flush_dcache_mmap_unlock(mapping) do { } while (0) +#define flush_cache_vmap(start, end) do { } while (0) +#define flush_cache_vunmap(start, end) do { } while (0) +#define flush_icache_page(vma, pg) do { } while (0) +#define flush_icache_user_range(vma, pg, adr, len) do { } while (0) + +/* See "arch/tile/lib/__invalidate_icache.S". */ +extern void __invalidate_icache(unsigned long start, unsigned long size); + +/* Flush the icache just on this cpu */ +static inline void __flush_icache_range(unsigned long start, unsigned long end) +{ + __invalidate_icache(start, end - start); +} + +/* Flush the entire icache on this cpu. */ +#define __flush_icache() __flush_icache_range(0, CHIP_L1I_CACHE_SIZE()) + +#ifdef CONFIG_SMP +/* + * When the kernel writes to its own text we need to do an SMP + * broadcast to make the L1I coherent everywhere. This includes + * module load and single step. + */ +extern void flush_icache_range(unsigned long start, unsigned long end); +#else +#define flush_icache_range __flush_icache_range +#endif + +/* + * An update to an executable user page requires icache flushing. + * We could carefully update only tiles that are running this process, + * and rely on the fact that we flush the icache on every context + * switch to avoid doing extra work here. But for now, I'll be + * conservative and just do a global icache flush. + */ +static inline void copy_to_user_page(struct vm_area_struct *vma, + struct page *page, unsigned long vaddr, + void *dst, void *src, int len) +{ + memcpy(dst, src, len); + if (vma->vm_flags & VM_EXEC) { + flush_icache_range((unsigned long) dst, + (unsigned long) dst + len); + } +} + +#define copy_from_user_page(vma, page, vaddr, dst, src, len) \ + memcpy((dst), (src), (len)) + +/* + * Invalidate a VA range; pads to L2 cacheline boundaries. + * + * Note that on TILE64, __inv_buffer() actually flushes modified + * cache lines in addition to invalidating them, i.e., it's the + * same as __finv_buffer(). + */ +static inline void __inv_buffer(void *buffer, size_t size) +{ + char *next = (char *)((long)buffer & -L2_CACHE_BYTES); + char *finish = (char *)L2_CACHE_ALIGN((long)buffer + size); + while (next < finish) { + __insn_inv(next); + next += CHIP_INV_STRIDE(); + } +} + +/* Flush a VA range; pads to L2 cacheline boundaries. */ +static inline void __flush_buffer(void *buffer, size_t size) +{ + char *next = (char *)((long)buffer & -L2_CACHE_BYTES); + char *finish = (char *)L2_CACHE_ALIGN((long)buffer + size); + while (next < finish) { + __insn_flush(next); + next += CHIP_FLUSH_STRIDE(); + } +} + +/* Flush & invalidate a VA range; pads to L2 cacheline boundaries. */ +static inline void __finv_buffer(void *buffer, size_t size) +{ + char *next = (char *)((long)buffer & -L2_CACHE_BYTES); + char *finish = (char *)L2_CACHE_ALIGN((long)buffer + size); + while (next < finish) { + __insn_finv(next); + next += CHIP_FINV_STRIDE(); + } +} + + +/* Invalidate a VA range, then memory fence. */ +static inline void inv_buffer(void *buffer, size_t size) +{ + __inv_buffer(buffer, size); + mb_incoherent(); +} + +/* Flush a VA range, then memory fence. */ +static inline void flush_buffer(void *buffer, size_t size) +{ + __flush_buffer(buffer, size); + mb_incoherent(); +} + +/* Flush & invalidate a VA range, then memory fence. */ +static inline void finv_buffer(void *buffer, size_t size) +{ + __finv_buffer(buffer, size); + mb_incoherent(); +} + +#endif /* _ASM_TILE_CACHEFLUSH_H */ diff --git a/arch/tile/include/asm/checksum.h b/arch/tile/include/asm/checksum.h new file mode 100644 index 0000000..a120766 --- /dev/null +++ b/arch/tile/include/asm/checksum.h @@ -0,0 +1,24 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_CHECKSUM_H +#define _ASM_TILE_CHECKSUM_H + +#include <asm-generic/checksum.h> + +/* Allow us to provide a more optimized do_csum(). */ +__wsum do_csum(const unsigned char *buff, int len); +#define do_csum do_csum + +#endif /* _ASM_TILE_CHECKSUM_H */ diff --git a/arch/tile/include/asm/compat.h b/arch/tile/include/asm/compat.h new file mode 100644 index 0000000..e133c53 --- /dev/null +++ b/arch/tile/include/asm/compat.h @@ -0,0 +1,308 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_COMPAT_H +#define _ASM_TILE_COMPAT_H + +/* + * Architecture specific compatibility types + */ +#include <linux/types.h> +#include <linux/sched.h> + +#define COMPAT_USER_HZ 100 + +/* "long" and pointer-based types are different. */ +typedef s32 compat_long_t; +typedef u32 compat_ulong_t; +typedef u32 compat_size_t; +typedef s32 compat_ssize_t; +typedef s32 compat_off_t; +typedef s32 compat_time_t; +typedef s32 compat_clock_t; +typedef u32 compat_ino_t; +typedef u32 compat_caddr_t; +typedef u32 compat_uptr_t; + +/* Many types are "int" or otherwise the same. */ +typedef __kernel_pid_t compat_pid_t; +typedef __kernel_uid_t __compat_uid_t; +typedef __kernel_gid_t __compat_gid_t; +typedef __kernel_uid32_t __compat_uid32_t; +typedef __kernel_uid32_t __compat_gid32_t; +typedef __kernel_mode_t compat_mode_t; +typedef __kernel_dev_t compat_dev_t; +typedef __kernel_loff_t compat_loff_t; +typedef __kernel_nlink_t compat_nlink_t; +typedef __kernel_ipc_pid_t compat_ipc_pid_t; +typedef __kernel_daddr_t compat_daddr_t; +typedef __kernel_fsid_t compat_fsid_t; +typedef __kernel_timer_t compat_timer_t; +typedef __kernel_key_t compat_key_t; +typedef int compat_int_t; +typedef s64 compat_s64; +typedef uint compat_uint_t; +typedef u64 compat_u64; + +/* We use the same register dump format in 32-bit images. */ +typedef unsigned long compat_elf_greg_t; +#define COMPAT_ELF_NGREG (sizeof(struct pt_regs) / sizeof(compat_elf_greg_t)) +typedef compat_elf_greg_t compat_elf_gregset_t[COMPAT_ELF_NGREG]; + +struct compat_timespec { + compat_time_t tv_sec; + s32 tv_nsec; +}; + +struct compat_timeval { + compat_time_t tv_sec; + s32 tv_usec; +}; + +struct compat_stat { + unsigned int st_dev; + unsigned int st_ino; + unsigned int st_mode; + unsigned int st_nlink; + unsigned int st_uid; + unsigned int st_gid; + unsigned int st_rdev; + unsigned int __pad1; + int st_size; + int st_blksize; + int __pad2; + int st_blocks; + int st_atime; + unsigned int st_atime_nsec; + int st_mtime; + unsigned int st_mtime_nsec; + int st_ctime; + unsigned int st_ctime_nsec; + unsigned int __unused[2]; +}; + +struct compat_stat64 { + unsigned long st_dev; + unsigned long st_ino; + unsigned int st_mode; + unsigned int st_nlink; + unsigned int st_uid; + unsigned int st_gid; + unsigned long st_rdev; + long st_size; + unsigned int st_blksize; + unsigned long st_blocks __attribute__((packed)); + unsigned int st_atime; + unsigned int st_atime_nsec; + unsigned int st_mtime; + unsigned int st_mtime_nsec; + unsigned int st_ctime; + unsigned int st_ctime_nsec; + unsigned int __unused8; +}; + +#define compat_statfs statfs + +struct compat_sysctl { + unsigned int name; + int nlen; + unsigned int oldval; + unsigned int oldlenp; + unsigned int newval; + unsigned int newlen; + unsigned int __unused[4]; +}; + + +struct compat_flock { + short l_type; + short l_whence; + compat_off_t l_start; + compat_off_t l_len; + compat_pid_t l_pid; +}; + +#define F_GETLK64 12 /* using 'struct flock64' */ +#define F_SETLK64 13 +#define F_SETLKW64 14 + +struct compat_flock64 { + short l_type; + short l_whence; + compat_loff_t l_start; + compat_loff_t l_len; + compat_pid_t l_pid; +}; + +#define COMPAT_RLIM_INFINITY 0xffffffff + +#define _COMPAT_NSIG 64 +#define _COMPAT_NSIG_BPW 32 + +typedef u32 compat_sigset_word; + +#define COMPAT_OFF_T_MAX 0x7fffffff +#define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL + +struct compat_ipc64_perm { + compat_key_t key; + __compat_uid32_t uid; + __compat_gid32_t gid; + __compat_uid32_t cuid; + __compat_gid32_t cgid; + unsigned short mode; + unsigned short __pad1; + unsigned short seq; + unsigned short __pad2; + compat_ulong_t unused1; + compat_ulong_t unused2; +}; + +struct compat_semid64_ds { + struct compat_ipc64_perm sem_perm; + compat_time_t sem_otime; + compat_ulong_t __unused1; + compat_time_t sem_ctime; + compat_ulong_t __unused2; + compat_ulong_t sem_nsems; + compat_ulong_t __unused3; + compat_ulong_t __unused4; +}; + +struct compat_msqid64_ds { + struct compat_ipc64_perm msg_perm; + compat_time_t msg_stime; + compat_ulong_t __unused1; + compat_time_t msg_rtime; + compat_ulong_t __unused2; + compat_time_t msg_ctime; + compat_ulong_t __unused3; + compat_ulong_t msg_cbytes; + compat_ulong_t msg_qnum; + compat_ulong_t msg_qbytes; + compat_pid_t msg_lspid; + compat_pid_t msg_lrpid; + compat_ulong_t __unused4; + compat_ulong_t __unused5; +}; + +struct compat_shmid64_ds { + struct compat_ipc64_perm shm_perm; + compat_size_t shm_segsz; + compat_time_t shm_atime; + compat_ulong_t __unused1; + compat_time_t shm_dtime; + compat_ulong_t __unused2; + compat_time_t shm_ctime; + compat_ulong_t __unused3; + compat_pid_t shm_cpid; + compat_pid_t shm_lpid; + compat_ulong_t shm_nattch; + compat_ulong_t __unused4; + compat_ulong_t __unused5; +}; + +/* + * A pointer passed in from user mode. This should not + * be used for syscall parameters, just declare them + * as pointers because the syscall entry code will have + * appropriately converted them already. + */ + +static inline void __user *compat_ptr(compat_uptr_t uptr) +{ + return (void __user *)(unsigned long)uptr; +} + +static inline compat_uptr_t ptr_to_compat(void __user *uptr) +{ + return (u32)(unsigned long)uptr; +} + +/* Sign-extend when storing a kernel pointer to a user's ptregs. */ +static inline unsigned long ptr_to_compat_reg(void __user *uptr) +{ + return (long)(int)(long)uptr; +} + +static inline void __user *compat_alloc_user_space(long len) +{ + struct pt_regs *regs = task_pt_regs(current); + return (void __user *)regs->sp - len; +} + +static inline int is_compat_task(void) +{ + return current_thread_info()->status & TS_COMPAT; +} + +extern int compat_setup_rt_frame(int sig, struct k_sigaction *ka, + siginfo_t *info, sigset_t *set, + struct pt_regs *regs); + +/* Compat syscalls. */ +struct compat_sigaction; +struct compat_siginfo; +struct compat_sigaltstack; +long compat_sys_execve(char __user *path, compat_uptr_t __user *argv, + compat_uptr_t __user *envp); +long compat_sys_rt_sigaction(int sig, struct compat_sigaction __user *act, + struct compat_sigaction __user *oact, + size_t sigsetsize); +long compat_sys_rt_sigqueueinfo(int pid, int sig, + struct compat_siginfo __user *uinfo); +long compat_sys_rt_sigreturn(void); +long compat_sys_sigaltstack(const struct compat_sigaltstack __user *uss_ptr, + struct compat_sigaltstack __user *uoss_ptr); +long compat_sys_truncate64(char __user *filename, u32 dummy, u32 low, u32 high); +long compat_sys_ftruncate64(unsigned int fd, u32 dummy, u32 low, u32 high); +long compat_sys_pread64(unsigned int fd, char __user *ubuf, size_t count, + u32 dummy, u32 low, u32 high); +long compat_sys_pwrite64(unsigned int fd, char __user *ubuf, size_t count, + u32 dummy, u32 low, u32 high); +long compat_sys_lookup_dcookie(u32 low, u32 high, char __user *buf, size_t len); +long compat_sys_sync_file_range2(int fd, unsigned int flags, + u32 offset_lo, u32 offset_hi, + u32 nbytes_lo, u32 nbytes_hi); +long compat_sys_fallocate(int fd, int mode, + u32 offset_lo, u32 offset_hi, + u32 len_lo, u32 len_hi); +long compat_sys_stat64(char __user *filename, + struct compat_stat64 __user *statbuf); +long compat_sys_lstat64(char __user *filename, + struct compat_stat64 __user *statbuf); +long compat_sys_fstat64(unsigned int fd, struct compat_stat64 __user *statbuf); +long compat_sys_fstatat64(int dfd, char __user *filename, + struct compat_stat64 __user *statbuf, int flag); +long compat_sys_sched_rr_get_interval(compat_pid_t pid, + struct compat_timespec __user *interval); +ssize_t compat_sys_sendfile(int out_fd, int in_fd, compat_off_t __user *offset, + size_t count); + +/* Versions of compat functions that differ from generic Linux. */ +struct compat_msgbuf; +long tile_compat_sys_msgsnd(int msqid, + struct compat_msgbuf __user *msgp, + size_t msgsz, int msgflg); +long tile_compat_sys_msgrcv(int msqid, + struct compat_msgbuf __user *msgp, + size_t msgsz, long msgtyp, int msgflg); +long tile_compat_sys_ptrace(compat_long_t request, compat_long_t pid, + compat_long_t addr, compat_long_t data); + +/* Tilera Linux syscalls that don't have "compat" versions. */ +#define compat_sys_raise_fpe sys_raise_fpe +#define compat_sys_flush_cache sys_flush_cache + +#endif /* _ASM_TILE_COMPAT_H */ diff --git a/arch/tile/include/asm/cputime.h b/arch/tile/include/asm/cputime.h new file mode 100644 index 0000000..6d68ad7 --- /dev/null +++ b/arch/tile/include/asm/cputime.h @@ -0,0 +1 @@ +#include <asm-generic/cputime.h> diff --git a/arch/tile/include/asm/current.h b/arch/tile/include/asm/current.h new file mode 100644 index 0000000..da21acf --- /dev/null +++ b/arch/tile/include/asm/current.h @@ -0,0 +1,31 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_CURRENT_H +#define _ASM_TILE_CURRENT_H + +#include <linux/thread_info.h> + +struct task_struct; + +static inline struct task_struct *get_current(void) +{ + return current_thread_info()->task; +} +#define current get_current() + +/* Return a usable "task_struct" pointer even if the real one is corrupt. */ +struct task_struct *validate_current(void); + +#endif /* _ASM_TILE_CURRENT_H */ diff --git a/arch/tile/include/asm/delay.h b/arch/tile/include/asm/delay.h new file mode 100644 index 0000000..97b0e69 --- /dev/null +++ b/arch/tile/include/asm/delay.h @@ -0,0 +1,34 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_DELAY_H +#define _ASM_TILE_DELAY_H + +/* Undefined functions to get compile-time errors. */ +extern void __bad_udelay(void); +extern void __bad_ndelay(void); + +extern void __udelay(unsigned long usecs); +extern void __ndelay(unsigned long nsecs); +extern void __delay(unsigned long loops); + +#define udelay(n) (__builtin_constant_p(n) ? \ + ((n) > 20000 ? __bad_udelay() : __ndelay((n) * 1000)) : \ + __udelay(n)) + +#define ndelay(n) (__builtin_constant_p(n) ? \ + ((n) > 20000 ? __bad_ndelay() : __ndelay(n)) : \ + __ndelay(n)) + +#endif /* _ASM_TILE_DELAY_H */ diff --git a/arch/tile/include/asm/device.h b/arch/tile/include/asm/device.h new file mode 100644 index 0000000..f0a4c25 --- /dev/null +++ b/arch/tile/include/asm/device.h @@ -0,0 +1 @@ +#include <asm-generic/device.h> diff --git a/arch/tile/include/asm/div64.h b/arch/tile/include/asm/div64.h new file mode 100644 index 0000000..6cd978c --- /dev/null +++ b/arch/tile/include/asm/div64.h @@ -0,0 +1 @@ +#include <asm-generic/div64.h> diff --git a/arch/tile/include/asm/dma-mapping.h b/arch/tile/include/asm/dma-mapping.h new file mode 100644 index 0000000..cf466b3 --- /dev/null +++ b/arch/tile/include/asm/dma-mapping.h @@ -0,0 +1,102 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_DMA_MAPPING_H +#define _ASM_TILE_DMA_MAPPING_H + +#include <linux/mm.h> +#include <linux/scatterlist.h> +#include <linux/cache.h> +#include <linux/io.h> + +/* + * Note that on x86 and powerpc, there is a "struct dma_mapping_ops" + * that is used for all the DMA operations. For now, we don't have an + * equivalent on tile, because we only have a single way of doing DMA. + * (Tilera bug 7994 to use dma_mapping_ops.) + */ + +#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f) +#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h) + +extern dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size, + enum dma_data_direction); +extern void dma_unmap_single(struct device *dev, dma_addr_t dma_addr, + size_t size, enum dma_data_direction); +extern int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, + enum dma_data_direction); +extern void dma_unmap_sg(struct device *dev, struct scatterlist *sg, + int nhwentries, enum dma_data_direction); +extern dma_addr_t dma_map_page(struct device *dev, struct page *page, + unsigned long offset, size_t size, + enum dma_data_direction); +extern void dma_unmap_page(struct device *dev, dma_addr_t dma_address, + size_t size, enum dma_data_direction); +extern void dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, + int nelems, enum dma_data_direction); +extern void dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, + int nelems, enum dma_data_direction); + + +void *dma_alloc_coherent(struct device *dev, size_t size, + dma_addr_t *dma_handle, gfp_t flag); + +void dma_free_coherent(struct device *dev, size_t size, + void *vaddr, dma_addr_t dma_handle); + +extern void dma_sync_single_for_cpu(struct device *, dma_addr_t, size_t, + enum dma_data_direction); +extern void dma_sync_single_for_device(struct device *, dma_addr_t, + size_t, enum dma_data_direction); +extern void dma_sync_single_range_for_cpu(struct device *, dma_addr_t, + unsigned long offset, size_t, + enum dma_data_direction); +extern void dma_sync_single_range_for_device(struct device *, dma_addr_t, + unsigned long offset, size_t, + enum dma_data_direction); +extern void dma_cache_sync(void *vaddr, size_t, enum dma_data_direction); + +static inline int +dma_mapping_error(struct device *dev, dma_addr_t dma_addr) +{ + return 0; +} + +static inline int +dma_supported(struct device *dev, u64 mask) +{ + return 1; +} + +static inline int +dma_set_mask(struct device *dev, u64 mask) +{ + if (!dev->dma_mask || !dma_supported(dev, mask)) + return -EIO; + + *dev->dma_mask = mask; + + return 0; +} + +static inline int +dma_get_cache_alignment(void) +{ + return L2_CACHE_BYTES; +} + +#define dma_is_consistent(d, h) (1) + + +#endif /* _ASM_TILE_DMA_MAPPING_H */ diff --git a/arch/tile/include/asm/dma.h b/arch/tile/include/asm/dma.h new file mode 100644 index 0000000..12a7ca1 --- /dev/null +++ b/arch/tile/include/asm/dma.h @@ -0,0 +1,25 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_DMA_H +#define _ASM_TILE_DMA_H + +#include <asm-generic/dma.h> + +/* Needed by drivers/pci/quirks.c */ +#ifdef CONFIG_PCI +extern int isa_dma_bridge_buggy; +#endif + +#endif /* _ASM_TILE_DMA_H */ diff --git a/arch/tile/include/asm/elf.h b/arch/tile/include/asm/elf.h new file mode 100644 index 0000000..1bca0de --- /dev/null +++ b/arch/tile/include/asm/elf.h @@ -0,0 +1,169 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_ELF_H +#define _ASM_TILE_ELF_H + +/* + * ELF register definitions. + */ + +#include <arch/chip.h> + +#include <linux/ptrace.h> +#include <asm/byteorder.h> +#include <asm/page.h> + +typedef unsigned long elf_greg_t; + +#define ELF_NGREG (sizeof(struct pt_regs) / sizeof(elf_greg_t)) +typedef elf_greg_t elf_gregset_t[ELF_NGREG]; + +#define EM_TILE64 187 +#define EM_TILEPRO 188 +#define EM_TILEGX 191 + +/* Provide a nominal data structure. */ +#define ELF_NFPREG 0 +typedef double elf_fpreg_t; +typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG]; + +#ifdef __tilegx__ +#define ELF_CLASS ELFCLASS64 +#else +#define ELF_CLASS ELFCLASS32 +#endif +#define ELF_DATA ELFDATA2LSB + +/* + * There seems to be a bug in how compat_binfmt_elf.c works: it + * #undefs ELF_ARCH, but it is then used in binfmt_elf.c for fill_note_info(). + * Hack around this by providing an enum value of ELF_ARCH. + */ +enum { ELF_ARCH = CHIP_ELF_TYPE() }; +#define ELF_ARCH ELF_ARCH + +/* + * This is used to ensure we don't load something for the wrong architecture. + */ +#define elf_check_arch(x) \ + ((x)->e_ident[EI_CLASS] == ELF_CLASS && \ + ((x)->e_machine == CHIP_ELF_TYPE() || \ + (x)->e_machine == CHIP_COMPAT_ELF_TYPE())) + +/* The module loader only handles a few relocation types. */ +#ifndef __tilegx__ +#define R_TILE_32 1 +#define R_TILE_JOFFLONG_X1 15 +#define R_TILE_IMM16_X0_LO 25 +#define R_TILE_IMM16_X1_LO 26 +#define R_TILE_IMM16_X0_HA 29 +#define R_TILE_IMM16_X1_HA 30 +#else +#define R_TILEGX_64 1 +#define R_TILEGX_JUMPOFF_X1 21 +#define R_TILEGX_IMM16_X0_HW0 36 +#define R_TILEGX_IMM16_X1_HW0 37 +#define R_TILEGX_IMM16_X0_HW1 38 +#define R_TILEGX_IMM16_X1_HW1 39 +#define R_TILEGX_IMM16_X0_HW2_LAST 48 +#define R_TILEGX_IMM16_X1_HW2_LAST 49 +#endif + +/* Use standard page size for core dumps. */ +#define ELF_EXEC_PAGESIZE PAGE_SIZE + +/* + * This is the location that an ET_DYN program is loaded if exec'ed. Typical + * use of this is to invoke "./ld.so someprog" to test out a new version of + * the loader. We need to make sure that it is out of the way of the program + * that it will "exec", and that there is sufficient room for the brk. + */ +#define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2) + +#define ELF_CORE_COPY_REGS(_dest, _regs) \ + memcpy((char *) &_dest, (char *) _regs, \ + sizeof(struct pt_regs)); + +/* No additional FP registers to copy. */ +#define ELF_CORE_COPY_FPREGS(t, fpu) 0 + +/* + * This yields a mask that user programs can use to figure out what + * instruction set this CPU supports. This could be done in user space, + * but it's not easy, and we've already done it here. + */ +#define ELF_HWCAP (0) + +/* + * This yields a string that ld.so will use to load implementation + * specific libraries for optimization. This is more specific in + * intent than poking at uname or /proc/cpuinfo. + */ +#define ELF_PLATFORM (NULL) + +extern void elf_plat_init(struct pt_regs *regs, unsigned long load_addr); + +#define ELF_PLAT_INIT(_r, load_addr) elf_plat_init(_r, load_addr) + +extern int dump_task_regs(struct task_struct *, elf_gregset_t *); +#define ELF_CORE_COPY_TASK_REGS(tsk, elf_regs) dump_task_regs(tsk, elf_regs) + +/* Tilera Linux has no personalities currently, so no need to do anything. */ +#define SET_PERSONALITY(ex) do { } while (0) + +#define ARCH_HAS_SETUP_ADDITIONAL_PAGES +/* Support auto-mapping of the user interrupt vectors. */ +struct linux_binprm; +extern int arch_setup_additional_pages(struct linux_binprm *bprm, + int executable_stack); +#ifdef CONFIG_COMPAT + +#define COMPAT_ELF_PLATFORM "tilegx-m32" + +/* + * "Compat" binaries have the same machine type, but 32-bit class, + * since they're not a separate machine type, but just a 32-bit + * variant of the standard 64-bit architecture. + */ +#define compat_elf_check_arch(x) \ + ((x)->e_ident[EI_CLASS] == ELFCLASS32 && \ + ((x)->e_machine == CHIP_ELF_TYPE() || \ + (x)->e_machine == CHIP_COMPAT_ELF_TYPE())) + +#define compat_start_thread(regs, ip, usp) do { \ + regs->pc = ptr_to_compat_reg((void *)(ip)); \ + regs->sp = ptr_to_compat_reg((void *)(usp)); \ + } while (0) + +/* + * Use SET_PERSONALITY to indicate compatibility via TS_COMPAT. + */ +#undef SET_PERSONALITY +#define SET_PERSONALITY(ex) \ +do { \ + current->personality = PER_LINUX; \ + current_thread_info()->status &= ~TS_COMPAT; \ +} while (0) +#define COMPAT_SET_PERSONALITY(ex) \ +do { \ + current->personality = PER_LINUX_32BIT; \ + current_thread_info()->status |= TS_COMPAT; \ +} while (0) + +#define COMPAT_ELF_ET_DYN_BASE (0xffffffff / 3 * 2) + +#endif /* CONFIG_COMPAT */ + +#endif /* _ASM_TILE_ELF_H */ diff --git a/arch/tile/include/asm/emergency-restart.h b/arch/tile/include/asm/emergency-restart.h new file mode 100644 index 0000000..3711bd9 --- /dev/null +++ b/arch/tile/include/asm/emergency-restart.h @@ -0,0 +1 @@ +#include <asm-generic/emergency-restart.h> diff --git a/arch/tile/include/asm/errno.h b/arch/tile/include/asm/errno.h new file mode 100644 index 0000000..4c82b50 --- /dev/null +++ b/arch/tile/include/asm/errno.h @@ -0,0 +1 @@ +#include <asm-generic/errno.h> diff --git a/arch/tile/include/asm/fcntl.h b/arch/tile/include/asm/fcntl.h new file mode 100644 index 0000000..46ab12d --- /dev/null +++ b/arch/tile/include/asm/fcntl.h @@ -0,0 +1 @@ +#include <asm-generic/fcntl.h> diff --git a/arch/tile/include/asm/fixmap.h b/arch/tile/include/asm/fixmap.h new file mode 100644 index 0000000..51537ff --- /dev/null +++ b/arch/tile/include/asm/fixmap.h @@ -0,0 +1,124 @@ +/* + * Copyright (C) 1998 Ingo Molnar + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_FIXMAP_H +#define _ASM_TILE_FIXMAP_H + +#include <asm/page.h> + +#ifndef __ASSEMBLY__ +#include <linux/kernel.h> +#ifdef CONFIG_HIGHMEM +#include <linux/threads.h> +#include <asm/kmap_types.h> +#endif + +#define __fix_to_virt(x) (FIXADDR_TOP - ((x) << PAGE_SHIFT)) +#define __virt_to_fix(x) ((FIXADDR_TOP - ((x)&PAGE_MASK)) >> PAGE_SHIFT) + +/* + * Here we define all the compile-time 'special' virtual + * addresses. The point is to have a constant address at + * compile time, but to set the physical address only + * in the boot process. We allocate these special addresses + * from the end of supervisor virtual memory backwards. + * Also this lets us do fail-safe vmalloc(), we + * can guarantee that these special addresses and + * vmalloc()-ed addresses never overlap. + * + * these 'compile-time allocated' memory buffers are + * fixed-size 4k pages. (or larger if used with an increment + * higher than 1) use fixmap_set(idx,phys) to associate + * physical memory with fixmap indices. + * + * TLB entries of such buffers will not be flushed across + * task switches. + * + * We don't bother with a FIX_HOLE since above the fixmaps + * is unmapped memory in any case. + */ +enum fixed_addresses { +#ifdef CONFIG_HIGHMEM + FIX_KMAP_BEGIN, /* reserved pte's for temporary kernel mappings */ + FIX_KMAP_END = FIX_KMAP_BEGIN+(KM_TYPE_NR*NR_CPUS)-1, +#endif + __end_of_permanent_fixed_addresses, + + /* + * Temporary boot-time mappings, used before ioremap() is functional. + * Not currently needed by the Tile architecture. + */ +#define NR_FIX_BTMAPS 0 +#if NR_FIX_BTMAPS + FIX_BTMAP_END = __end_of_permanent_fixed_addresses, + FIX_BTMAP_BEGIN = FIX_BTMAP_END + NR_FIX_BTMAPS - 1, + __end_of_fixed_addresses +#else + __end_of_fixed_addresses = __end_of_permanent_fixed_addresses +#endif +}; + +extern void __set_fixmap(enum fixed_addresses idx, + unsigned long phys, pgprot_t flags); + +#define set_fixmap(idx, phys) \ + __set_fixmap(idx, phys, PAGE_KERNEL) +/* + * Some hardware wants to get fixmapped without caching. + */ +#define set_fixmap_nocache(idx, phys) \ + __set_fixmap(idx, phys, PAGE_KERNEL_NOCACHE) + +#define clear_fixmap(idx) \ + __set_fixmap(idx, 0, __pgprot(0)) + +#define __FIXADDR_SIZE (__end_of_permanent_fixed_addresses << PAGE_SHIFT) +#define __FIXADDR_BOOT_SIZE (__end_of_fixed_addresses << PAGE_SHIFT) +#define FIXADDR_START (FIXADDR_TOP + PAGE_SIZE - __FIXADDR_SIZE) +#define FIXADDR_BOOT_START (FIXADDR_TOP + PAGE_SIZE - __FIXADDR_BOOT_SIZE) + +extern void __this_fixmap_does_not_exist(void); + +/* + * 'index to address' translation. If anyone tries to use the idx + * directly without tranlation, we catch the bug with a NULL-deference + * kernel oops. Illegal ranges of incoming indices are caught too. + */ +static __always_inline unsigned long fix_to_virt(const unsigned int idx) +{ + /* + * this branch gets completely eliminated after inlining, + * except when someone tries to use fixaddr indices in an + * illegal way. (such as mixing up address types or using + * out-of-range indices). + * + * If it doesn't get removed, the linker will complain + * loudly with a reasonably clear error message.. + */ + if (idx >= __end_of_fixed_addresses) + __this_fixmap_does_not_exist(); + + return __fix_to_virt(idx); +} + +static inline unsigned long virt_to_fix(const unsigned long vaddr) +{ + BUG_ON(vaddr >= FIXADDR_TOP || vaddr < FIXADDR_START); + return __virt_to_fix(vaddr); +} + +#endif /* !__ASSEMBLY__ */ + +#endif /* _ASM_TILE_FIXMAP_H */ diff --git a/arch/tile/include/asm/ftrace.h b/arch/tile/include/asm/ftrace.h new file mode 100644 index 0000000..461459b --- /dev/null +++ b/arch/tile/include/asm/ftrace.h @@ -0,0 +1,20 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_FTRACE_H +#define _ASM_TILE_FTRACE_H + +/* empty */ + +#endif /* _ASM_TILE_FTRACE_H */ diff --git a/arch/tile/include/asm/futex.h b/arch/tile/include/asm/futex.h new file mode 100644 index 0000000..9eaeb3c --- /dev/null +++ b/arch/tile/include/asm/futex.h @@ -0,0 +1,136 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + * + * These routines make two important assumptions: + * + * 1. atomic_t is really an int and can be freely cast back and forth + * (validated in __init_atomic_per_cpu). + * + * 2. userspace uses sys_cmpxchg() for all atomic operations, thus using + * the same locking convention that all the kernel atomic routines use. + */ + +#ifndef _ASM_TILE_FUTEX_H +#define _ASM_TILE_FUTEX_H + +#ifndef __ASSEMBLY__ + +#include <linux/futex.h> +#include <linux/uaccess.h> +#include <linux/errno.h> + +extern struct __get_user futex_set(int *v, int i); +extern struct __get_user futex_add(int *v, int n); +extern struct __get_user futex_or(int *v, int n); +extern struct __get_user futex_andn(int *v, int n); +extern struct __get_user futex_cmpxchg(int *v, int o, int n); + +#ifndef __tilegx__ +extern struct __get_user futex_xor(int *v, int n); +#else +static inline struct __get_user futex_xor(int __user *uaddr, int n) +{ + struct __get_user asm_ret = __get_user_4(uaddr); + if (!asm_ret.err) { + int oldval, newval; + do { + oldval = asm_ret.val; + newval = oldval ^ n; + asm_ret = futex_cmpxchg(uaddr, oldval, newval); + } while (asm_ret.err == 0 && oldval != asm_ret.val); + } + return asm_ret; +} +#endif + +static inline int futex_atomic_op_inuser(int encoded_op, int __user *uaddr) +{ + int op = (encoded_op >> 28) & 7; + int cmp = (encoded_op >> 24) & 15; + int oparg = (encoded_op << 8) >> 20; + int cmparg = (encoded_op << 20) >> 20; + int ret; + struct __get_user asm_ret; + + if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28)) + oparg = 1 << oparg; + + if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int))) + return -EFAULT; + + pagefault_disable(); + switch (op) { + case FUTEX_OP_SET: + asm_ret = futex_set(uaddr, oparg); + break; + case FUTEX_OP_ADD: + asm_ret = futex_add(uaddr, oparg); + break; + case FUTEX_OP_OR: + asm_ret = futex_or(uaddr, oparg); + break; + case FUTEX_OP_ANDN: + asm_ret = futex_andn(uaddr, oparg); + break; + case FUTEX_OP_XOR: + asm_ret = futex_xor(uaddr, oparg); + break; + default: + asm_ret.err = -ENOSYS; + } + pagefault_enable(); + + ret = asm_ret.err; + + if (!ret) { + switch (cmp) { + case FUTEX_OP_CMP_EQ: + ret = (asm_ret.val == cmparg); + break; + case FUTEX_OP_CMP_NE: + ret = (asm_ret.val != cmparg); + break; + case FUTEX_OP_CMP_LT: + ret = (asm_ret.val < cmparg); + break; + case FUTEX_OP_CMP_GE: + ret = (asm_ret.val >= cmparg); + break; + case FUTEX_OP_CMP_LE: + ret = (asm_ret.val <= cmparg); + break; + case FUTEX_OP_CMP_GT: + ret = (asm_ret.val > cmparg); + break; + default: + ret = -ENOSYS; + } + } + return ret; +} + +static inline int futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, + int newval) +{ + struct __get_user asm_ret; + + if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int))) + return -EFAULT; + + asm_ret = futex_cmpxchg(uaddr, oldval, newval); + return asm_ret.err ? asm_ret.err : asm_ret.val; +} + +#endif /* !__ASSEMBLY__ */ + +#endif /* _ASM_TILE_FUTEX_H */ diff --git a/arch/tile/include/asm/hardirq.h b/arch/tile/include/asm/hardirq.h new file mode 100644 index 0000000..822390f --- /dev/null +++ b/arch/tile/include/asm/hardirq.h @@ -0,0 +1,47 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_HARDIRQ_H +#define _ASM_TILE_HARDIRQ_H + +#include <linux/threads.h> +#include <linux/cache.h> + +#include <asm/irq.h> + +typedef struct { + unsigned int __softirq_pending; + long idle_timestamp; + + /* Hard interrupt statistics. */ + unsigned int irq_timer_count; + unsigned int irq_syscall_count; + unsigned int irq_resched_count; + unsigned int irq_hv_flush_count; + unsigned int irq_call_count; + unsigned int irq_hv_msg_count; + unsigned int irq_dev_intr_count; + +} ____cacheline_aligned irq_cpustat_t; + +DECLARE_PER_CPU(irq_cpustat_t, irq_stat); + +#define __ARCH_IRQ_STAT +#define __IRQ_STAT(cpu, member) (per_cpu(irq_stat, cpu).member) + +#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */ + +#define HARDIRQ_BITS 8 + +#endif /* _ASM_TILE_HARDIRQ_H */ diff --git a/arch/tile/include/asm/highmem.h b/arch/tile/include/asm/highmem.h new file mode 100644 index 0000000..efdd12e --- /dev/null +++ b/arch/tile/include/asm/highmem.h @@ -0,0 +1,73 @@ +/* + * Copyright (C) 1999 Gerhard Wichert, Siemens AG + * Gerhard.Wichert@pdb.siemens.de + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + * + * Used in CONFIG_HIGHMEM systems for memory pages which + * are not addressable by direct kernel virtual addresses. + * + */ + +#ifndef _ASM_TILE_HIGHMEM_H +#define _ASM_TILE_HIGHMEM_H + +#include <linux/interrupt.h> +#include <linux/threads.h> +#include <asm/kmap_types.h> +#include <asm/tlbflush.h> +#include <asm/homecache.h> + +/* declarations for highmem.c */ +extern unsigned long highstart_pfn, highend_pfn; + +extern pte_t *pkmap_page_table; + +/* + * Ordering is: + * + * FIXADDR_TOP + * fixed_addresses + * FIXADDR_START + * temp fixed addresses + * FIXADDR_BOOT_START + * Persistent kmap area + * PKMAP_BASE + * VMALLOC_END + * Vmalloc area + * VMALLOC_START + * high_memory + */ +#define LAST_PKMAP_MASK (LAST_PKMAP-1) +#define PKMAP_NR(virt) ((virt-PKMAP_BASE) >> PAGE_SHIFT) +#define PKMAP_ADDR(nr) (PKMAP_BASE + ((nr) << PAGE_SHIFT)) + +void *kmap_high(struct page *page); +void kunmap_high(struct page *page); +void *kmap(struct page *page); +void kunmap(struct page *page); +void *kmap_fix_kpte(struct page *page, int finished); + +/* This macro is used only in map_new_virtual() to map "page". */ +#define kmap_prot page_to_kpgprot(page) + +void kunmap_atomic(void *kvaddr, enum km_type type); +void *kmap_atomic_pfn(unsigned long pfn, enum km_type type); +void *kmap_atomic_prot_pfn(unsigned long pfn, enum km_type type, pgprot_t prot); +struct page *kmap_atomic_to_page(void *ptr); +void *kmap_atomic_prot(struct page *page, enum km_type type, pgprot_t prot); +void *kmap_atomic(struct page *page, enum km_type type); +void kmap_atomic_fix_kpte(struct page *page, int finished); + +#define flush_cache_kmaps() do { } while (0) + +#endif /* _ASM_TILE_HIGHMEM_H */ diff --git a/arch/tile/include/asm/homecache.h b/arch/tile/include/asm/homecache.h new file mode 100644 index 0000000..a8243865 --- /dev/null +++ b/arch/tile/include/asm/homecache.h @@ -0,0 +1,125 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + * + * Handle issues around the Tile "home cache" model of coherence. + */ + +#ifndef _ASM_TILE_HOMECACHE_H +#define _ASM_TILE_HOMECACHE_H + +#include <asm/page.h> +#include <linux/cpumask.h> + +struct page; +struct task_struct; +struct vm_area_struct; +struct zone; + +/* + * Coherence point for the page is its memory controller. + * It is not present in any cache (L1 or L2). + */ +#define PAGE_HOME_UNCACHED -1 + +/* + * Is this page immutable (unwritable) and thus able to be cached more + * widely than would otherwise be possible? On tile64 this means we + * mark the PTE to cache locally; on tilepro it means we have "nc" set. + */ +#define PAGE_HOME_IMMUTABLE -2 + +/* + * Each cpu considers its own cache to be the home for the page, + * which makes it incoherent. + */ +#define PAGE_HOME_INCOHERENT -3 + +#if CHIP_HAS_CBOX_HOME_MAP() +/* Home for the page is distributed via hash-for-home. */ +#define PAGE_HOME_HASH -4 +#endif + +/* Homing is unknown or unspecified. Not valid for page_home(). */ +#define PAGE_HOME_UNKNOWN -5 + +/* Home on the current cpu. Not valid for page_home(). */ +#define PAGE_HOME_HERE -6 + +/* Support wrapper to use instead of explicit hv_flush_remote(). */ +extern void flush_remote(unsigned long cache_pfn, unsigned long cache_length, + const struct cpumask *cache_cpumask, + HV_VirtAddr tlb_va, unsigned long tlb_length, + unsigned long tlb_pgsize, + const struct cpumask *tlb_cpumask, + HV_Remote_ASID *asids, int asidcount); + +/* Set homing-related bits in a PTE (can also pass a pgprot_t). */ +extern pte_t pte_set_home(pte_t pte, int home); + +/* Do a cache eviction on the specified cpus. */ +extern void homecache_evict(const struct cpumask *mask); + +/* + * Change a kernel page's homecache. It must not be mapped in user space. + * If !CONFIG_HOMECACHE, only usable on LOWMEM, and can only be called when + * no other cpu can reference the page, and causes a full-chip cache/TLB flush. + */ +extern void homecache_change_page_home(struct page *, int order, int home); + +/* + * Flush a page out of whatever cache(s) it is in. + * This is more than just finv, since it properly handles waiting + * for the data to reach memory on tilepro, but it can be quite + * heavyweight, particularly on hash-for-home memory. + */ +extern void homecache_flush_cache(struct page *, int order); + +/* + * Allocate a page with the given GFP flags, home, and optionally + * node. These routines are actually just wrappers around the normal + * alloc_pages() / alloc_pages_node() functions, which set and clear + * a per-cpu variable to communicate with homecache_new_kernel_page(). + * If !CONFIG_HOMECACHE, uses homecache_change_page_home(). + */ +extern struct page *homecache_alloc_pages(gfp_t gfp_mask, + unsigned int order, int home); +extern struct page *homecache_alloc_pages_node(int nid, gfp_t gfp_mask, + unsigned int order, int home); +#define homecache_alloc_page(gfp_mask, home) \ + homecache_alloc_pages(gfp_mask, 0, home) + +/* + * These routines are just pass-throughs to free_pages() when + * we support full homecaching. If !CONFIG_HOMECACHE, then these + * routines use homecache_change_page_home() to reset the home + * back to the default before returning the page to the allocator. + */ +void homecache_free_pages(unsigned long addr, unsigned int order); +#define homecache_free_page(page) \ + homecache_free_pages((page), 0) + + + +/* + * Report the page home for LOWMEM pages by examining their kernel PTE, + * or for highmem pages as the default home. + */ +extern int page_home(struct page *); + +#define homecache_migrate_kthread() do {} while (0) + +#define homecache_kpte_lock() 0 +#define homecache_kpte_unlock(flags) do {} while (0) + + +#endif /* _ASM_TILE_HOMECACHE_H */ diff --git a/arch/tile/include/asm/hugetlb.h b/arch/tile/include/asm/hugetlb.h new file mode 100644 index 0000000..0521c27 --- /dev/null +++ b/arch/tile/include/asm/hugetlb.h @@ -0,0 +1,109 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_HUGETLB_H +#define _ASM_TILE_HUGETLB_H + +#include <asm/page.h> + + +static inline int is_hugepage_only_range(struct mm_struct *mm, + unsigned long addr, + unsigned long len) { + return 0; +} + +/* + * If the arch doesn't supply something else, assume that hugepage + * size aligned regions are ok without further preparation. + */ +static inline int prepare_hugepage_range(struct file *file, + unsigned long addr, unsigned long len) +{ + struct hstate *h = hstate_file(file); + if (len & ~huge_page_mask(h)) + return -EINVAL; + if (addr & ~huge_page_mask(h)) + return -EINVAL; + return 0; +} + +static inline void hugetlb_prefault_arch_hook(struct mm_struct *mm) +{ +} + +static inline void hugetlb_free_pgd_range(struct mmu_gather *tlb, + unsigned long addr, unsigned long end, + unsigned long floor, + unsigned long ceiling) +{ + free_pgd_range(tlb, addr, end, floor, ceiling); +} + +static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, + pte_t *ptep, pte_t pte) +{ + set_pte_order(ptep, pte, HUGETLB_PAGE_ORDER); +} + +static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm, + unsigned long addr, pte_t *ptep) +{ + return ptep_get_and_clear(mm, addr, ptep); +} + +static inline void huge_ptep_clear_flush(struct vm_area_struct *vma, + unsigned long addr, pte_t *ptep) +{ + ptep_clear_flush(vma, addr, ptep); +} + +static inline int huge_pte_none(pte_t pte) +{ + return pte_none(pte); +} + +static inline pte_t huge_pte_wrprotect(pte_t pte) +{ + return pte_wrprotect(pte); +} + +static inline void huge_ptep_set_wrprotect(struct mm_struct *mm, + unsigned long addr, pte_t *ptep) +{ + ptep_set_wrprotect(mm, addr, ptep); +} + +static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma, + unsigned long addr, pte_t *ptep, + pte_t pte, int dirty) +{ + return ptep_set_access_flags(vma, addr, ptep, pte, dirty); +} + +static inline pte_t huge_ptep_get(pte_t *ptep) +{ + return *ptep; +} + +static inline int arch_prepare_hugepage(struct page *page) +{ + return 0; +} + +static inline void arch_release_hugepage(struct page *page) +{ +} + +#endif /* _ASM_TILE_HUGETLB_H */ diff --git a/arch/tile/include/asm/hv_driver.h b/arch/tile/include/asm/hv_driver.h new file mode 100644 index 0000000..ad614de --- /dev/null +++ b/arch/tile/include/asm/hv_driver.h @@ -0,0 +1,60 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + * + * This header defines a wrapper interface for managing hypervisor + * device calls that will result in an interrupt at some later time. + * In particular, this provides wrappers for hv_preada() and + * hv_pwritea(). + */ + +#ifndef _ASM_TILE_HV_DRIVER_H +#define _ASM_TILE_HV_DRIVER_H + +#include <hv/hypervisor.h> + +struct hv_driver_cb; + +/* A callback to be invoked when an operation completes. */ +typedef void hv_driver_callback_t(struct hv_driver_cb *cb, __hv32 result); + +/* + * A structure to hold information about an outstanding call. + * The driver must allocate a separate structure for each call. + */ +struct hv_driver_cb { + hv_driver_callback_t *callback; /* Function to call on interrupt. */ + void *dev; /* Driver-specific state variable. */ +}; + +/* Wrapper for invoking hv_dev_preada(). */ +static inline int +tile_hv_dev_preada(int devhdl, __hv32 flags, __hv32 sgl_len, + HV_SGL sgl[/* sgl_len */], __hv64 offset, + struct hv_driver_cb *callback) +{ + return hv_dev_preada(devhdl, flags, sgl_len, sgl, + offset, (HV_IntArg)callback); +} + +/* Wrapper for invoking hv_dev_pwritea(). */ +static inline int +tile_hv_dev_pwritea(int devhdl, __hv32 flags, __hv32 sgl_len, + HV_SGL sgl[/* sgl_len */], __hv64 offset, + struct hv_driver_cb *callback) +{ + return hv_dev_pwritea(devhdl, flags, sgl_len, sgl, + offset, (HV_IntArg)callback); +} + + +#endif /* _ASM_TILE_HV_DRIVER_H */ diff --git a/arch/tile/include/asm/hw_irq.h b/arch/tile/include/asm/hw_irq.h new file mode 100644 index 0000000..4fac5fbf --- /dev/null +++ b/arch/tile/include/asm/hw_irq.h @@ -0,0 +1,18 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_HW_IRQ_H +#define _ASM_TILE_HW_IRQ_H + +#endif /* _ASM_TILE_HW_IRQ_H */ diff --git a/arch/tile/include/asm/ide.h b/arch/tile/include/asm/ide.h new file mode 100644 index 0000000..3c6f2ed --- /dev/null +++ b/arch/tile/include/asm/ide.h @@ -0,0 +1,25 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_IDE_H +#define _ASM_TILE_IDE_H + +/* For IDE on PCI */ +#define MAX_HWIFS 10 + +#define ide_default_io_ctl(base) (0) + +#include <asm-generic/ide_iops.h> + +#endif /* _ASM_TILE_IDE_H */ diff --git a/arch/tile/include/asm/io.h b/arch/tile/include/asm/io.h new file mode 100644 index 0000000..8c95bef --- /dev/null +++ b/arch/tile/include/asm/io.h @@ -0,0 +1,279 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_IO_H +#define _ASM_TILE_IO_H + +#include <linux/kernel.h> +#include <linux/bug.h> +#include <asm/page.h> + +#define IO_SPACE_LIMIT 0xfffffffful + +/* + * Convert a physical pointer to a virtual kernel pointer for /dev/mem + * access. + */ +#define xlate_dev_mem_ptr(p) __va(p) + +/* + * Convert a virtual cached pointer to an uncached pointer. + */ +#define xlate_dev_kmem_ptr(p) p + +/* + * Change "struct page" to physical address. + */ +#define page_to_phys(page) ((dma_addr_t)page_to_pfn(page) << PAGE_SHIFT) + +/* + * Some places try to pass in an loff_t for PHYSADDR (?!), so we cast it to + * long before casting it to a pointer to avoid compiler warnings. + */ +#if CHIP_HAS_MMIO() +extern void __iomem *ioremap(resource_size_t offset, unsigned long size); +extern void __iomem *ioremap_prot(resource_size_t offset, unsigned long size, + pgprot_t pgprot); +extern void iounmap(volatile void __iomem *addr); +#else +#define ioremap(physaddr, size) ((void __iomem *)(unsigned long)(physaddr)) +#define iounmap(addr) ((void)0) +#endif + +#define ioremap_nocache(physaddr, size) ioremap(physaddr, size) +#define ioremap_writethrough(physaddr, size) ioremap(physaddr, size) +#define ioremap_fullcache(physaddr, size) ioremap(physaddr, size) + +void __iomem *ioport_map(unsigned long port, unsigned int len); +extern inline void ioport_unmap(void __iomem *addr) {} + +#define mmiowb() + +/* Conversion between virtual and physical mappings. */ +#define mm_ptov(addr) ((void *)phys_to_virt(addr)) +#define mm_vtop(addr) ((unsigned long)virt_to_phys(addr)) + +#ifdef CONFIG_PCI + +extern u8 _tile_readb(unsigned long addr); +extern u16 _tile_readw(unsigned long addr); +extern u32 _tile_readl(unsigned long addr); +extern u64 _tile_readq(unsigned long addr); +extern void _tile_writeb(u8 val, unsigned long addr); +extern void _tile_writew(u16 val, unsigned long addr); +extern void _tile_writel(u32 val, unsigned long addr); +extern void _tile_writeq(u64 val, unsigned long addr); + +#else + +/* + * The Tile architecture does not support IOMEM unless PCI is enabled. + * Unfortunately we can't yet simply not declare these methods, + * since some generic code that compiles into the kernel, but + * we never run, uses them unconditionally. + */ + +static inline int iomem_panic(void) +{ + panic("readb/writeb and friends do not exist on tile without PCI"); + return 0; +} + +static inline u8 _tile_readb(unsigned long addr) +{ + return iomem_panic(); +} + +static inline u16 _tile_readw(unsigned long addr) +{ + return iomem_panic(); +} + +static inline u32 _tile_readl(unsigned long addr) +{ + return iomem_panic(); +} + +static inline u64 _tile_readq(unsigned long addr) +{ + return iomem_panic(); +} + +static inline void _tile_writeb(u8 val, unsigned long addr) +{ + iomem_panic(); +} + +static inline void _tile_writew(u16 val, unsigned long addr) +{ + iomem_panic(); +} + +static inline void _tile_writel(u32 val, unsigned long addr) +{ + iomem_panic(); +} + +static inline void _tile_writeq(u64 val, unsigned long addr) +{ + iomem_panic(); +} + +#endif + +#define readb(addr) _tile_readb((unsigned long)addr) +#define readw(addr) _tile_readw((unsigned long)addr) +#define readl(addr) _tile_readl((unsigned long)addr) +#define readq(addr) _tile_readq((unsigned long)addr) +#define writeb(val, addr) _tile_writeb(val, (unsigned long)addr) +#define writew(val, addr) _tile_writew(val, (unsigned long)addr) +#define writel(val, addr) _tile_writel(val, (unsigned long)addr) +#define writeq(val, addr) _tile_writeq(val, (unsigned long)addr) + +#define __raw_readb readb +#define __raw_readw readw +#define __raw_readl readl +#define __raw_readq readq +#define __raw_writeb writeb +#define __raw_writew writew +#define __raw_writel writel +#define __raw_writeq writeq + +#define readb_relaxed readb +#define readw_relaxed readw +#define readl_relaxed readl +#define readq_relaxed readq + +#define ioread8 readb +#define ioread16 readw +#define ioread32 readl +#define ioread64 readq +#define iowrite8 writeb +#define iowrite16 writew +#define iowrite32 writel +#define iowrite64 writeq + +static inline void *memcpy_fromio(void *dst, void *src, int len) +{ + int x; + BUG_ON((unsigned long)src & 0x3); + for (x = 0; x < len; x += 4) + *(u32 *)(dst + x) = readl(src + x); + return dst; +} + +static inline void *memcpy_toio(void *dst, void *src, int len) +{ + int x; + BUG_ON((unsigned long)dst & 0x3); + for (x = 0; x < len; x += 4) + writel(*(u32 *)(src + x), dst + x); + return dst; +} + +/* + * The Tile architecture does not support IOPORT, even with PCI. + * Unfortunately we can't yet simply not declare these methods, + * since some generic code that compiles into the kernel, but + * we never run, uses them unconditionally. + */ + +static inline int ioport_panic(void) +{ + panic("inb/outb and friends do not exist on tile"); + return 0; +} + +static inline u8 inb(unsigned long addr) +{ + return ioport_panic(); +} + +static inline u16 inw(unsigned long addr) +{ + return ioport_panic(); +} + +static inline u32 inl(unsigned long addr) +{ + return ioport_panic(); +} + +static inline void outb(u8 b, unsigned long addr) +{ + ioport_panic(); +} + +static inline void outw(u16 b, unsigned long addr) +{ + ioport_panic(); +} + +static inline void outl(u32 b, unsigned long addr) +{ + ioport_panic(); +} + +#define inb_p(addr) inb(addr) +#define inw_p(addr) inw(addr) +#define inl_p(addr) inl(addr) +#define outb_p(x, addr) outb((x), (addr)) +#define outw_p(x, addr) outw((x), (addr)) +#define outl_p(x, addr) outl((x), (addr)) + +static inline void insb(unsigned long addr, void *buffer, int count) +{ + ioport_panic(); +} + +static inline void insw(unsigned long addr, void *buffer, int count) +{ + ioport_panic(); +} + +static inline void insl(unsigned long addr, void *buffer, int count) +{ + ioport_panic(); +} + +static inline void outsb(unsigned long addr, const void *buffer, int count) +{ + ioport_panic(); +} + +static inline void outsw(unsigned long addr, const void *buffer, int count) +{ + ioport_panic(); +} + +static inline void outsl(unsigned long addr, const void *buffer, int count) +{ + ioport_panic(); +} + +#define ioread8_rep(p, dst, count) \ + insb((unsigned long) (p), (dst), (count)) +#define ioread16_rep(p, dst, count) \ + insw((unsigned long) (p), (dst), (count)) +#define ioread32_rep(p, dst, count) \ + insl((unsigned long) (p), (dst), (count)) + +#define iowrite8_rep(p, src, count) \ + outsb((unsigned long) (p), (src), (count)) +#define iowrite16_rep(p, src, count) \ + outsw((unsigned long) (p), (src), (count)) +#define iowrite32_rep(p, src, count) \ + outsl((unsigned long) (p), (src), (count)) + +#endif /* _ASM_TILE_IO_H */ diff --git a/arch/tile/include/asm/ioctl.h b/arch/tile/include/asm/ioctl.h new file mode 100644 index 0000000..b279fe0 --- /dev/null +++ b/arch/tile/include/asm/ioctl.h @@ -0,0 +1 @@ +#include <asm-generic/ioctl.h> diff --git a/arch/tile/include/asm/ioctls.h b/arch/tile/include/asm/ioctls.h new file mode 100644 index 0000000..ec34c76 --- /dev/null +++ b/arch/tile/include/asm/ioctls.h @@ -0,0 +1 @@ +#include <asm-generic/ioctls.h> diff --git a/arch/tile/include/asm/ipc.h b/arch/tile/include/asm/ipc.h new file mode 100644 index 0000000..a46e3d9 --- /dev/null +++ b/arch/tile/include/asm/ipc.h @@ -0,0 +1 @@ +#include <asm-generic/ipc.h> diff --git a/arch/tile/include/asm/ipcbuf.h b/arch/tile/include/asm/ipcbuf.h new file mode 100644 index 0000000..84c7e51 --- /dev/null +++ b/arch/tile/include/asm/ipcbuf.h @@ -0,0 +1 @@ +#include <asm-generic/ipcbuf.h> diff --git a/arch/tile/include/asm/irq.h b/arch/tile/include/asm/irq.h new file mode 100644 index 0000000..9be1f84 --- /dev/null +++ b/arch/tile/include/asm/irq.h @@ -0,0 +1,37 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_IRQ_H +#define _ASM_TILE_IRQ_H + +#include <linux/hardirq.h> + +/* The hypervisor interface provides 32 IRQs. */ +#define NR_IRQS 32 + +/* IRQ numbers used for linux IPIs. */ +#define IRQ_RESCHEDULE 1 + +/* The HV interrupt state object. */ +DECLARE_PER_CPU(HV_IntrState, dev_intr_state); + +void ack_bad_irq(unsigned int irq); + +/* + * Paravirtualized drivers should call this when their init calls + * discover a valid HV IRQ. + */ +void tile_irq_activate(unsigned int irq); + +#endif /* _ASM_TILE_IRQ_H */ diff --git a/arch/tile/include/asm/irq_regs.h b/arch/tile/include/asm/irq_regs.h new file mode 100644 index 0000000..3dd9c0b --- /dev/null +++ b/arch/tile/include/asm/irq_regs.h @@ -0,0 +1 @@ +#include <asm-generic/irq_regs.h> diff --git a/arch/tile/include/asm/irqflags.h b/arch/tile/include/asm/irqflags.h new file mode 100644 index 0000000..cf5bffd --- /dev/null +++ b/arch/tile/include/asm/irqflags.h @@ -0,0 +1,267 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_IRQFLAGS_H +#define _ASM_TILE_IRQFLAGS_H + +#include <asm/processor.h> +#include <arch/interrupts.h> +#include <arch/chip.h> + +/* + * The set of interrupts we want to allow when interrupts are nominally + * disabled. The remainder are effectively "NMI" interrupts from + * the point of view of the generic Linux code. Note that synchronous + * interrupts (aka "non-queued") are not blocked by the mask in any case. + */ +#if CHIP_HAS_AUX_PERF_COUNTERS() +#define LINUX_MASKABLE_INTERRUPTS \ + (~(INT_MASK(INT_PERF_COUNT) | INT_MASK(INT_AUX_PERF_COUNT))) +#else +#define LINUX_MASKABLE_INTERRUPTS \ + (~(INT_MASK(INT_PERF_COUNT))) +#endif + +#ifndef __ASSEMBLY__ + +/* NOTE: we can't include <linux/percpu.h> due to #include dependencies. */ +#include <asm/percpu.h> +#include <arch/spr_def.h> + +/* Set and clear kernel interrupt masks. */ +#if CHIP_HAS_SPLIT_INTR_MASK() +#if INT_PERF_COUNT < 32 || INT_AUX_PERF_COUNT < 32 || INT_MEM_ERROR >= 32 +# error Fix assumptions about which word various interrupts are in +#endif +#define interrupt_mask_set(n) do { \ + int __n = (n); \ + int __mask = 1 << (__n & 0x1f); \ + if (__n < 32) \ + __insn_mtspr(SPR_INTERRUPT_MASK_SET_1_0, __mask); \ + else \ + __insn_mtspr(SPR_INTERRUPT_MASK_SET_1_1, __mask); \ +} while (0) +#define interrupt_mask_reset(n) do { \ + int __n = (n); \ + int __mask = 1 << (__n & 0x1f); \ + if (__n < 32) \ + __insn_mtspr(SPR_INTERRUPT_MASK_RESET_1_0, __mask); \ + else \ + __insn_mtspr(SPR_INTERRUPT_MASK_RESET_1_1, __mask); \ +} while (0) +#define interrupt_mask_check(n) ({ \ + int __n = (n); \ + (((__n < 32) ? \ + __insn_mfspr(SPR_INTERRUPT_MASK_1_0) : \ + __insn_mfspr(SPR_INTERRUPT_MASK_1_1)) \ + >> (__n & 0x1f)) & 1; \ +}) +#define interrupt_mask_set_mask(mask) do { \ + unsigned long long __m = (mask); \ + __insn_mtspr(SPR_INTERRUPT_MASK_SET_1_0, (unsigned long)(__m)); \ + __insn_mtspr(SPR_INTERRUPT_MASK_SET_1_1, (unsigned long)(__m>>32)); \ +} while (0) +#define interrupt_mask_reset_mask(mask) do { \ + unsigned long long __m = (mask); \ + __insn_mtspr(SPR_INTERRUPT_MASK_RESET_1_0, (unsigned long)(__m)); \ + __insn_mtspr(SPR_INTERRUPT_MASK_RESET_1_1, (unsigned long)(__m>>32)); \ +} while (0) +#else +#define interrupt_mask_set(n) \ + __insn_mtspr(SPR_INTERRUPT_MASK_SET_1, (1UL << (n))) +#define interrupt_mask_reset(n) \ + __insn_mtspr(SPR_INTERRUPT_MASK_RESET_1, (1UL << (n))) +#define interrupt_mask_check(n) \ + ((__insn_mfspr(SPR_INTERRUPT_MASK_1) >> (n)) & 1) +#define interrupt_mask_set_mask(mask) \ + __insn_mtspr(SPR_INTERRUPT_MASK_SET_1, (mask)) +#define interrupt_mask_reset_mask(mask) \ + __insn_mtspr(SPR_INTERRUPT_MASK_RESET_1, (mask)) +#endif + +/* + * The set of interrupts we want active if irqs are enabled. + * Note that in particular, the tile timer interrupt comes and goes + * from this set, since we have no other way to turn off the timer. + * Likewise, INTCTRL_1 is removed and re-added during device + * interrupts, as is the the hardwall UDN_FIREWALL interrupt. + * We use a low bit (MEM_ERROR) as our sentinel value and make sure it + * is always claimed as an "active interrupt" so we can query that bit + * to know our current state. + */ +DECLARE_PER_CPU(unsigned long long, interrupts_enabled_mask); +#define INITIAL_INTERRUPTS_ENABLED INT_MASK(INT_MEM_ERROR) + +/* Disable interrupts. */ +#define raw_local_irq_disable() \ + interrupt_mask_set_mask(LINUX_MASKABLE_INTERRUPTS) + +/* Disable all interrupts, including NMIs. */ +#define raw_local_irq_disable_all() \ + interrupt_mask_set_mask(-1UL) + +/* Re-enable all maskable interrupts. */ +#define raw_local_irq_enable() \ + interrupt_mask_reset_mask(__get_cpu_var(interrupts_enabled_mask)) + +/* Disable or enable interrupts based on flag argument. */ +#define raw_local_irq_restore(disabled) do { \ + if (disabled) \ + raw_local_irq_disable(); \ + else \ + raw_local_irq_enable(); \ +} while (0) + +/* Return true if "flags" argument means interrupts are disabled. */ +#define raw_irqs_disabled_flags(flags) ((flags) != 0) + +/* Return true if interrupts are currently disabled. */ +#define raw_irqs_disabled() interrupt_mask_check(INT_MEM_ERROR) + +/* Save whether interrupts are currently disabled. */ +#define raw_local_save_flags(flags) ((flags) = raw_irqs_disabled()) + +/* Save whether interrupts are currently disabled, then disable them. */ +#define raw_local_irq_save(flags) \ + do { raw_local_save_flags(flags); raw_local_irq_disable(); } while (0) + +/* Prevent the given interrupt from being enabled next time we enable irqs. */ +#define raw_local_irq_mask(interrupt) \ + (__get_cpu_var(interrupts_enabled_mask) &= ~INT_MASK(interrupt)) + +/* Prevent the given interrupt from being enabled immediately. */ +#define raw_local_irq_mask_now(interrupt) do { \ + raw_local_irq_mask(interrupt); \ + interrupt_mask_set(interrupt); \ +} while (0) + +/* Allow the given interrupt to be enabled next time we enable irqs. */ +#define raw_local_irq_unmask(interrupt) \ + (__get_cpu_var(interrupts_enabled_mask) |= INT_MASK(interrupt)) + +/* Allow the given interrupt to be enabled immediately, if !irqs_disabled. */ +#define raw_local_irq_unmask_now(interrupt) do { \ + raw_local_irq_unmask(interrupt); \ + if (!irqs_disabled()) \ + interrupt_mask_reset(interrupt); \ +} while (0) + +#else /* __ASSEMBLY__ */ + +/* We provide a somewhat more restricted set for assembly. */ + +#ifdef __tilegx__ + +#if INT_MEM_ERROR != 0 +# error Fix IRQ_DISABLED() macro +#endif + +/* Return 0 or 1 to indicate whether interrupts are currently disabled. */ +#define IRQS_DISABLED(tmp) \ + mfspr tmp, INTERRUPT_MASK_1; \ + andi tmp, tmp, 1 + +/* Load up a pointer to &interrupts_enabled_mask. */ +#define GET_INTERRUPTS_ENABLED_MASK_PTR(reg) \ + moveli reg, hw2_last(interrupts_enabled_mask); \ + shl16insli reg, reg, hw1(interrupts_enabled_mask); \ + shl16insli reg, reg, hw0(interrupts_enabled_mask); \ + add reg, reg, tp + +/* Disable interrupts. */ +#define IRQ_DISABLE(tmp0, tmp1) \ + moveli tmp0, hw2_last(LINUX_MASKABLE_INTERRUPTS); \ + shl16insli tmp0, tmp0, hw1(LINUX_MASKABLE_INTERRUPTS); \ + shl16insli tmp0, tmp0, hw0(LINUX_MASKABLE_INTERRUPTS); \ + mtspr INTERRUPT_MASK_SET_1, tmp0 + +/* Disable ALL synchronous interrupts (used by NMI entry). */ +#define IRQ_DISABLE_ALL(tmp) \ + movei tmp, -1; \ + mtspr INTERRUPT_MASK_SET_1, tmp + +/* Enable interrupts. */ +#define IRQ_ENABLE(tmp0, tmp1) \ + GET_INTERRUPTS_ENABLED_MASK_PTR(tmp0); \ + ld tmp0, tmp0; \ + mtspr INTERRUPT_MASK_RESET_1, tmp0 + +#else /* !__tilegx__ */ + +/* + * Return 0 or 1 to indicate whether interrupts are currently disabled. + * Note that it's important that we use a bit from the "low" mask word, + * since when we are enabling, that is the word we write first, so if we + * are interrupted after only writing half of the mask, the interrupt + * handler will correctly observe that we have interrupts enabled, and + * will enable interrupts itself on return from the interrupt handler + * (making the original code's write of the "high" mask word idempotent). + */ +#define IRQS_DISABLED(tmp) \ + mfspr tmp, INTERRUPT_MASK_1_0; \ + shri tmp, tmp, INT_MEM_ERROR; \ + andi tmp, tmp, 1 + +/* Load up a pointer to &interrupts_enabled_mask. */ +#define GET_INTERRUPTS_ENABLED_MASK_PTR(reg) \ + moveli reg, lo16(interrupts_enabled_mask); \ + auli reg, reg, ha16(interrupts_enabled_mask);\ + add reg, reg, tp + +/* Disable interrupts. */ +#define IRQ_DISABLE(tmp0, tmp1) \ + { \ + movei tmp0, -1; \ + moveli tmp1, lo16(LINUX_MASKABLE_INTERRUPTS) \ + }; \ + { \ + mtspr INTERRUPT_MASK_SET_1_0, tmp0; \ + auli tmp1, tmp1, ha16(LINUX_MASKABLE_INTERRUPTS) \ + }; \ + mtspr INTERRUPT_MASK_SET_1_1, tmp1 + +/* Disable ALL synchronous interrupts (used by NMI entry). */ +#define IRQ_DISABLE_ALL(tmp) \ + movei tmp, -1; \ + mtspr INTERRUPT_MASK_SET_1_0, tmp; \ + mtspr INTERRUPT_MASK_SET_1_1, tmp + +/* Enable interrupts. */ +#define IRQ_ENABLE(tmp0, tmp1) \ + GET_INTERRUPTS_ENABLED_MASK_PTR(tmp0); \ + { \ + lw tmp0, tmp0; \ + addi tmp1, tmp0, 4 \ + }; \ + lw tmp1, tmp1; \ + mtspr INTERRUPT_MASK_RESET_1_0, tmp0; \ + mtspr INTERRUPT_MASK_RESET_1_1, tmp1 +#endif + +/* + * Do the CPU's IRQ-state tracing from assembly code. We call a + * C function, but almost everywhere we do, we don't mind clobbering + * all the caller-saved registers. + */ +#ifdef CONFIG_TRACE_IRQFLAGS +# define TRACE_IRQS_ON jal trace_hardirqs_on +# define TRACE_IRQS_OFF jal trace_hardirqs_off +#else +# define TRACE_IRQS_ON +# define TRACE_IRQS_OFF +#endif + +#endif /* __ASSEMBLY__ */ + +#endif /* _ASM_TILE_IRQFLAGS_H */ diff --git a/arch/tile/include/asm/kdebug.h b/arch/tile/include/asm/kdebug.h new file mode 100644 index 0000000..6ece1b0 --- /dev/null +++ b/arch/tile/include/asm/kdebug.h @@ -0,0 +1 @@ +#include <asm-generic/kdebug.h> diff --git a/arch/tile/include/asm/kexec.h b/arch/tile/include/asm/kexec.h new file mode 100644 index 0000000..c11a6cc --- /dev/null +++ b/arch/tile/include/asm/kexec.h @@ -0,0 +1,53 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + * + * based on kexec.h from other architectures in linux-2.6.18 + */ + +#ifndef _ASM_TILE_KEXEC_H +#define _ASM_TILE_KEXEC_H + +#include <asm/page.h> + +/* Maximum physical address we can use pages from. */ +#define KEXEC_SOURCE_MEMORY_LIMIT TASK_SIZE +/* Maximum address we can reach in physical address mode. */ +#define KEXEC_DESTINATION_MEMORY_LIMIT TASK_SIZE +/* Maximum address we can use for the control code buffer. */ +#define KEXEC_CONTROL_MEMORY_LIMIT TASK_SIZE + +#define KEXEC_CONTROL_PAGE_SIZE PAGE_SIZE + +/* + * We don't bother to provide a unique identifier, since we can only + * reboot with a single type of kernel image anyway. + */ +#define KEXEC_ARCH KEXEC_ARCH_DEFAULT + +/* Use the tile override for the page allocator. */ +struct page *kimage_alloc_pages_arch(gfp_t gfp_mask, unsigned int order); +#define kimage_alloc_pages_arch kimage_alloc_pages_arch + +#define MAX_NOTE_BYTES 1024 + +/* Defined in arch/tile/kernel/relocate_kernel.S */ +extern const unsigned char relocate_new_kernel[]; +extern const unsigned long relocate_new_kernel_size; +extern void relocate_new_kernel_end(void); + +/* Provide a dummy definition to avoid build failures. */ +static inline void crash_setup_regs(struct pt_regs *n, struct pt_regs *o) +{ +} + +#endif /* _ASM_TILE_KEXEC_H */ diff --git a/arch/tile/include/asm/kmap_types.h b/arch/tile/include/asm/kmap_types.h new file mode 100644 index 0000000..1480106 --- /dev/null +++ b/arch/tile/include/asm/kmap_types.h @@ -0,0 +1,43 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_KMAP_TYPES_H +#define _ASM_TILE_KMAP_TYPES_H + +/* + * In TILE Linux each set of four of these uses another 16MB chunk of + * address space, given 64 tiles and 64KB pages, so we only enable + * ones that are required by the kernel configuration. + */ +enum km_type { + KM_BOUNCE_READ, + KM_SKB_SUNRPC_DATA, + KM_SKB_DATA_SOFTIRQ, + KM_USER0, + KM_USER1, + KM_BIO_SRC_IRQ, + KM_IRQ0, + KM_IRQ1, + KM_SOFTIRQ0, + KM_SOFTIRQ1, + KM_MEMCPY0, + KM_MEMCPY1, +#if defined(CONFIG_HIGHPTE) + KM_PTE0, + KM_PTE1, +#endif + KM_TYPE_NR +}; + +#endif /* _ASM_TILE_KMAP_TYPES_H */ diff --git a/arch/tile/include/asm/linkage.h b/arch/tile/include/asm/linkage.h new file mode 100644 index 0000000..e121c39 --- /dev/null +++ b/arch/tile/include/asm/linkage.h @@ -0,0 +1,51 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_LINKAGE_H +#define _ASM_TILE_LINKAGE_H + +#include <feedback.h> + +#define __ALIGN .align 8 + +/* + * The STD_ENTRY and STD_ENDPROC macros put the function in a + * self-named .text.foo section, and if linker feedback collection + * is enabled, add a suitable call to the feedback collection code. + * STD_ENTRY_SECTION lets you specify a non-standard section name. + */ + +#define STD_ENTRY(name) \ + .pushsection .text.##name, "ax"; \ + ENTRY(name); \ + FEEDBACK_ENTER(name) + +#define STD_ENTRY_SECTION(name, section) \ + .pushsection section, "ax"; \ + ENTRY(name); \ + FEEDBACK_ENTER_EXPLICIT(name, section, .Lend_##name - name) + +#define STD_ENDPROC(name) \ + ENDPROC(name); \ + .Lend_##name:; \ + .popsection + +/* Create a file-static function entry set up for feedback gathering. */ +#define STD_ENTRY_LOCAL(name) \ + .pushsection .text.##name, "ax"; \ + ALIGN; \ + name:; \ + FEEDBACK_ENTER(name) + +#endif /* _ASM_TILE_LINKAGE_H */ diff --git a/arch/tile/include/asm/local.h b/arch/tile/include/asm/local.h new file mode 100644 index 0000000..c11c530 --- /dev/null +++ b/arch/tile/include/asm/local.h @@ -0,0 +1 @@ +#include <asm-generic/local.h> diff --git a/arch/tile/include/asm/memprof.h b/arch/tile/include/asm/memprof.h new file mode 100644 index 0000000..359949b --- /dev/null +++ b/arch/tile/include/asm/memprof.h @@ -0,0 +1,33 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + * + * The hypervisor's memory controller profiling infrastructure allows + * the programmer to find out what fraction of the available memory + * bandwidth is being consumed at each memory controller. The + * profiler provides start, stop, and clear operations to allows + * profiling over a specific time window, as well as an interface for + * reading the most recent profile values. + * + * This header declares IOCTL codes necessary to control memprof. + */ +#ifndef _ASM_TILE_MEMPROF_H +#define _ASM_TILE_MEMPROF_H + +#include <linux/ioctl.h> + +#define MEMPROF_IOCTL_TYPE 0xB4 +#define MEMPROF_IOCTL_START _IO(MEMPROF_IOCTL_TYPE, 0) +#define MEMPROF_IOCTL_STOP _IO(MEMPROF_IOCTL_TYPE, 1) +#define MEMPROF_IOCTL_CLEAR _IO(MEMPROF_IOCTL_TYPE, 2) + +#endif /* _ASM_TILE_MEMPROF_H */ diff --git a/arch/tile/include/asm/mman.h b/arch/tile/include/asm/mman.h new file mode 100644 index 0000000..4c6811e --- /dev/null +++ b/arch/tile/include/asm/mman.h @@ -0,0 +1,40 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_MMAN_H +#define _ASM_TILE_MMAN_H + +#include <asm-generic/mman-common.h> +#include <arch/chip.h> + +/* Standard Linux flags */ + +#define MAP_POPULATE 0x0040 /* populate (prefault) pagetables */ +#define MAP_NONBLOCK 0x0080 /* do not block on IO */ +#define MAP_GROWSDOWN 0x0100 /* stack-like segment */ +#define MAP_LOCKED 0x0200 /* pages are locked */ +#define MAP_NORESERVE 0x0400 /* don't check for reservations */ +#define MAP_DENYWRITE 0x0800 /* ETXTBSY */ +#define MAP_EXECUTABLE 0x1000 /* mark it as an executable */ +#define MAP_HUGETLB 0x4000 /* create a huge page mapping */ + + +/* + * Flags for mlockall + */ +#define MCL_CURRENT 1 /* lock all current mappings */ +#define MCL_FUTURE 2 /* lock all future mappings */ + + +#endif /* _ASM_TILE_MMAN_H */ diff --git a/arch/tile/include/asm/mmu.h b/arch/tile/include/asm/mmu.h new file mode 100644 index 0000000..92f94c7 --- /dev/null +++ b/arch/tile/include/asm/mmu.h @@ -0,0 +1,31 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_MMU_H +#define _ASM_TILE_MMU_H + +/* Capture any arch- and mm-specific information. */ +struct mm_context { + /* + * Written under the mmap_sem semaphore; read without the + * semaphore but atomically, but it is conservatively set. + */ + unsigned int priority_cached; +}; + +typedef struct mm_context mm_context_t; + +void leave_mm(int cpu); + +#endif /* _ASM_TILE_MMU_H */ diff --git a/arch/tile/include/asm/mmu_context.h b/arch/tile/include/asm/mmu_context.h new file mode 100644 index 0000000..9bc0d07 --- /dev/null +++ b/arch/tile/include/asm/mmu_context.h @@ -0,0 +1,131 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_MMU_CONTEXT_H +#define _ASM_TILE_MMU_CONTEXT_H + +#include <linux/smp.h> +#include <asm/setup.h> +#include <asm/page.h> +#include <asm/pgalloc.h> +#include <asm/pgtable.h> +#include <asm/tlbflush.h> +#include <asm/homecache.h> +#include <asm-generic/mm_hooks.h> + +static inline int +init_new_context(struct task_struct *tsk, struct mm_struct *mm) +{ + return 0; +} + +/* Note that arch/tile/kernel/head.S also calls hv_install_context() */ +static inline void __install_page_table(pgd_t *pgdir, int asid, pgprot_t prot) +{ + /* FIXME: DIRECTIO should not always be set. FIXME. */ + int rc = hv_install_context(__pa(pgdir), prot, asid, HV_CTX_DIRECTIO); + if (rc < 0) + panic("hv_install_context failed: %d", rc); +} + +static inline void install_page_table(pgd_t *pgdir, int asid) +{ + pte_t *ptep = virt_to_pte(NULL, (unsigned long)pgdir); + __install_page_table(pgdir, asid, *ptep); +} + +/* + * "Lazy" TLB mode is entered when we are switching to a kernel task, + * which borrows the mm of the previous task. The goal of this + * optimization is to avoid having to install a new page table. On + * early x86 machines (where the concept originated) you couldn't do + * anything short of a full page table install for invalidation, so + * handling a remote TLB invalidate required doing a page table + * re-install. Someone clearly decided that it was silly to keep + * doing this while in "lazy" TLB mode, so the optimization involves + * installing the swapper page table instead the first time one + * occurs, and clearing the cpu out of cpu_vm_mask, so the cpu running + * the kernel task doesn't need to take any more interrupts. At that + * point it's then necessary to explicitly reinstall it when context + * switching back to the original mm. + * + * On Tile, we have to do a page-table install whenever DMA is enabled, + * so in that case lazy mode doesn't help anyway. And more generally, + * we have efficient per-page TLB shootdown, and don't expect to spend + * that much time in kernel tasks in general, so just leaving the + * kernel task borrowing the old page table, but handling TLB + * shootdowns, is a reasonable thing to do. And importantly, this + * lets us use the hypervisor's internal APIs for TLB shootdown, which + * means we don't have to worry about having TLB shootdowns blocked + * when Linux is disabling interrupts; see the page migration code for + * an example of where it's important for TLB shootdowns to complete + * even when interrupts are disabled at the Linux level. + */ +static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *t) +{ +#if CHIP_HAS_TILE_DMA() + /* + * We have to do an "identity" page table switch in order to + * clear any pending DMA interrupts. + */ + if (current->thread.tile_dma_state.enabled) + install_page_table(mm->pgd, __get_cpu_var(current_asid)); +#endif +} + +static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, + struct task_struct *tsk) +{ + if (likely(prev != next)) { + + int cpu = smp_processor_id(); + + /* Pick new ASID. */ + int asid = __get_cpu_var(current_asid) + 1; + if (asid > max_asid) { + asid = min_asid; + local_flush_tlb(); + } + __get_cpu_var(current_asid) = asid; + + /* Clear cpu from the old mm, and set it in the new one. */ + cpumask_clear_cpu(cpu, &prev->cpu_vm_mask); + cpumask_set_cpu(cpu, &next->cpu_vm_mask); + + /* Re-load page tables */ + install_page_table(next->pgd, asid); + + /* See how we should set the red/black cache info */ + check_mm_caching(prev, next); + + /* + * Since we're changing to a new mm, we have to flush + * the icache in case some physical page now being mapped + * has subsequently been repurposed and has new code. + */ + __flush_icache(); + + } +} + +static inline void activate_mm(struct mm_struct *prev_mm, + struct mm_struct *next_mm) +{ + switch_mm(prev_mm, next_mm, NULL); +} + +#define destroy_context(mm) do { } while (0) +#define deactivate_mm(tsk, mm) do { } while (0) + +#endif /* _ASM_TILE_MMU_CONTEXT_H */ diff --git a/arch/tile/include/asm/mmzone.h b/arch/tile/include/asm/mmzone.h new file mode 100644 index 0000000..c6344c4 --- /dev/null +++ b/arch/tile/include/asm/mmzone.h @@ -0,0 +1,81 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_MMZONE_H +#define _ASM_TILE_MMZONE_H + +extern struct pglist_data node_data[]; +#define NODE_DATA(nid) (&node_data[nid]) + +extern void get_memcfg_numa(void); + +#ifdef CONFIG_DISCONTIGMEM + +#include <asm/page.h> + +/* + * Generally, memory ranges are always doled out by the hypervisor in + * fixed-size, power-of-two increments. That would make computing the node + * very easy. We could just take a couple high bits of the PA, which + * denote the memory shim, and we'd be done. However, when we're doing + * memory striping, this may not be true; PAs with different high bit + * values might be in the same node. Thus, we keep a lookup table to + * translate the high bits of the PFN to the node number. + */ +extern int highbits_to_node[]; + +static inline int pfn_to_nid(unsigned long pfn) +{ + return highbits_to_node[__pfn_to_highbits(pfn)]; +} + +/* + * Following are macros that each numa implmentation must define. + */ + +#define node_start_pfn(nid) (NODE_DATA(nid)->node_start_pfn) +#define node_end_pfn(nid) \ +({ \ + pg_data_t *__pgdat = NODE_DATA(nid); \ + __pgdat->node_start_pfn + __pgdat->node_spanned_pages; \ +}) + +#define kern_addr_valid(kaddr) virt_addr_valid((void *)kaddr) + +static inline int pfn_valid(int pfn) +{ + int nid = pfn_to_nid(pfn); + + if (nid >= 0) + return (pfn < node_end_pfn(nid)); + return 0; +} + +/* Information on the NUMA nodes that we compute early */ +extern unsigned long node_start_pfn[]; +extern unsigned long node_end_pfn[]; +extern unsigned long node_memmap_pfn[]; +extern unsigned long node_percpu_pfn[]; +extern unsigned long node_free_pfn[]; +#ifdef CONFIG_HIGHMEM +extern unsigned long node_lowmem_end_pfn[]; +#endif +#ifdef CONFIG_PCI +extern unsigned long pci_reserve_start_pfn; +extern unsigned long pci_reserve_end_pfn; +#endif + +#endif /* CONFIG_DISCONTIGMEM */ + +#endif /* _ASM_TILE_MMZONE_H */ diff --git a/arch/tile/include/asm/module.h b/arch/tile/include/asm/module.h new file mode 100644 index 0000000..1e4b79f --- /dev/null +++ b/arch/tile/include/asm/module.h @@ -0,0 +1 @@ +#include <asm-generic/module.h> diff --git a/arch/tile/include/asm/msgbuf.h b/arch/tile/include/asm/msgbuf.h new file mode 100644 index 0000000..809134c --- /dev/null +++ b/arch/tile/include/asm/msgbuf.h @@ -0,0 +1 @@ +#include <asm-generic/msgbuf.h> diff --git a/arch/tile/include/asm/mutex.h b/arch/tile/include/asm/mutex.h new file mode 100644 index 0000000..ff6101a --- /dev/null +++ b/arch/tile/include/asm/mutex.h @@ -0,0 +1 @@ +#include <asm-generic/mutex-dec.h> diff --git a/arch/tile/include/asm/opcode-tile.h b/arch/tile/include/asm/opcode-tile.h new file mode 100644 index 0000000..ba38959 --- /dev/null +++ b/arch/tile/include/asm/opcode-tile.h @@ -0,0 +1,30 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_OPCODE_TILE_H +#define _ASM_TILE_OPCODE_TILE_H + +#include <arch/chip.h> + +#if CHIP_WORD_SIZE() == 64 +#include <asm/opcode-tile_64.h> +#else +#include <asm/opcode-tile_32.h> +#endif + +/* These definitions are not correct for TILE64, so just avoid them. */ +#undef TILE_ELF_MACHINE_CODE +#undef TILE_ELF_NAME + +#endif /* _ASM_TILE_OPCODE_TILE_H */ diff --git a/arch/tile/include/asm/opcode-tile_32.h b/arch/tile/include/asm/opcode-tile_32.h new file mode 100644 index 0000000..90f8dd3 --- /dev/null +++ b/arch/tile/include/asm/opcode-tile_32.h @@ -0,0 +1,1597 @@ +/* tile.h -- Header file for TILE opcode table + Copyright (C) 2005 Free Software Foundation, Inc. + Contributed by Tilera Corp. */ + +#ifndef opcode_tile_h +#define opcode_tile_h + +typedef unsigned long long tile_bundle_bits; + + +enum +{ + TILE_MAX_OPERANDS = 5 /* mm */ +}; + +typedef enum +{ + TILE_OPC_BPT, + TILE_OPC_INFO, + TILE_OPC_INFOL, + TILE_OPC_J, + TILE_OPC_JAL, + TILE_OPC_MOVE, + TILE_OPC_MOVE_SN, + TILE_OPC_MOVEI, + TILE_OPC_MOVEI_SN, + TILE_OPC_MOVELI, + TILE_OPC_MOVELI_SN, + TILE_OPC_MOVELIS, + TILE_OPC_PREFETCH, + TILE_OPC_ADD, + TILE_OPC_ADD_SN, + TILE_OPC_ADDB, + TILE_OPC_ADDB_SN, + TILE_OPC_ADDBS_U, + TILE_OPC_ADDBS_U_SN, + TILE_OPC_ADDH, + TILE_OPC_ADDH_SN, + TILE_OPC_ADDHS, + TILE_OPC_ADDHS_SN, + TILE_OPC_ADDI, + TILE_OPC_ADDI_SN, + TILE_OPC_ADDIB, + TILE_OPC_ADDIB_SN, + TILE_OPC_ADDIH, + TILE_OPC_ADDIH_SN, + TILE_OPC_ADDLI, + TILE_OPC_ADDLI_SN, + TILE_OPC_ADDLIS, + TILE_OPC_ADDS, + TILE_OPC_ADDS_SN, + TILE_OPC_ADIFFB_U, + TILE_OPC_ADIFFB_U_SN, + TILE_OPC_ADIFFH, + TILE_OPC_ADIFFH_SN, + TILE_OPC_AND, + TILE_OPC_AND_SN, + TILE_OPC_ANDI, + TILE_OPC_ANDI_SN, + TILE_OPC_AULI, + TILE_OPC_AVGB_U, + TILE_OPC_AVGB_U_SN, + TILE_OPC_AVGH, + TILE_OPC_AVGH_SN, + TILE_OPC_BBNS, + TILE_OPC_BBNS_SN, + TILE_OPC_BBNST, + TILE_OPC_BBNST_SN, + TILE_OPC_BBS, + TILE_OPC_BBS_SN, + TILE_OPC_BBST, + TILE_OPC_BBST_SN, + TILE_OPC_BGEZ, + TILE_OPC_BGEZ_SN, + TILE_OPC_BGEZT, + TILE_OPC_BGEZT_SN, + TILE_OPC_BGZ, + TILE_OPC_BGZ_SN, + TILE_OPC_BGZT, + TILE_OPC_BGZT_SN, + TILE_OPC_BITX, + TILE_OPC_BITX_SN, + TILE_OPC_BLEZ, + TILE_OPC_BLEZ_SN, + TILE_OPC_BLEZT, + TILE_OPC_BLEZT_SN, + TILE_OPC_BLZ, + TILE_OPC_BLZ_SN, + TILE_OPC_BLZT, + TILE_OPC_BLZT_SN, + TILE_OPC_BNZ, + TILE_OPC_BNZ_SN, + TILE_OPC_BNZT, + TILE_OPC_BNZT_SN, + TILE_OPC_BYTEX, + TILE_OPC_BYTEX_SN, + TILE_OPC_BZ, + TILE_OPC_BZ_SN, + TILE_OPC_BZT, + TILE_OPC_BZT_SN, + TILE_OPC_CLZ, + TILE_OPC_CLZ_SN, + TILE_OPC_CRC32_32, + TILE_OPC_CRC32_32_SN, + TILE_OPC_CRC32_8, + TILE_OPC_CRC32_8_SN, + TILE_OPC_CTZ, + TILE_OPC_CTZ_SN, + TILE_OPC_DRAIN, + TILE_OPC_DTLBPR, + TILE_OPC_DWORD_ALIGN, + TILE_OPC_DWORD_ALIGN_SN, + TILE_OPC_FINV, + TILE_OPC_FLUSH, + TILE_OPC_FNOP, + TILE_OPC_ICOH, + TILE_OPC_ILL, + TILE_OPC_INTHB, + TILE_OPC_INTHB_SN, + TILE_OPC_INTHH, + TILE_OPC_INTHH_SN, + TILE_OPC_INTLB, + TILE_OPC_INTLB_SN, + TILE_OPC_INTLH, + TILE_OPC_INTLH_SN, + TILE_OPC_INV, + TILE_OPC_IRET, + TILE_OPC_JALB, + TILE_OPC_JALF, + TILE_OPC_JALR, + TILE_OPC_JALRP, + TILE_OPC_JB, + TILE_OPC_JF, + TILE_OPC_JR, + TILE_OPC_JRP, + TILE_OPC_LB, + TILE_OPC_LB_SN, + TILE_OPC_LB_U, + TILE_OPC_LB_U_SN, + TILE_OPC_LBADD, + TILE_OPC_LBADD_SN, + TILE_OPC_LBADD_U, + TILE_OPC_LBADD_U_SN, + TILE_OPC_LH, + TILE_OPC_LH_SN, + TILE_OPC_LH_U, + TILE_OPC_LH_U_SN, + TILE_OPC_LHADD, + TILE_OPC_LHADD_SN, + TILE_OPC_LHADD_U, + TILE_OPC_LHADD_U_SN, + TILE_OPC_LNK, + TILE_OPC_LNK_SN, + TILE_OPC_LW, + TILE_OPC_LW_SN, + TILE_OPC_LW_NA, + TILE_OPC_LW_NA_SN, + TILE_OPC_LWADD, + TILE_OPC_LWADD_SN, + TILE_OPC_LWADD_NA, + TILE_OPC_LWADD_NA_SN, + TILE_OPC_MAXB_U, + TILE_OPC_MAXB_U_SN, + TILE_OPC_MAXH, + TILE_OPC_MAXH_SN, + TILE_OPC_MAXIB_U, + TILE_OPC_MAXIB_U_SN, + TILE_OPC_MAXIH, + TILE_OPC_MAXIH_SN, + TILE_OPC_MF, + TILE_OPC_MFSPR, + TILE_OPC_MINB_U, + TILE_OPC_MINB_U_SN, + TILE_OPC_MINH, + TILE_OPC_MINH_SN, + TILE_OPC_MINIB_U, + TILE_OPC_MINIB_U_SN, + TILE_OPC_MINIH, + TILE_OPC_MINIH_SN, + TILE_OPC_MM, + TILE_OPC_MNZ, + TILE_OPC_MNZ_SN, + TILE_OPC_MNZB, + TILE_OPC_MNZB_SN, + TILE_OPC_MNZH, + TILE_OPC_MNZH_SN, + TILE_OPC_MTSPR, + TILE_OPC_MULHH_SS, + TILE_OPC_MULHH_SS_SN, + TILE_OPC_MULHH_SU, + TILE_OPC_MULHH_SU_SN, + TILE_OPC_MULHH_UU, + TILE_OPC_MULHH_UU_SN, + TILE_OPC_MULHHA_SS, + TILE_OPC_MULHHA_SS_SN, + TILE_OPC_MULHHA_SU, + TILE_OPC_MULHHA_SU_SN, + TILE_OPC_MULHHA_UU, + TILE_OPC_MULHHA_UU_SN, + TILE_OPC_MULHHSA_UU, + TILE_OPC_MULHHSA_UU_SN, + TILE_OPC_MULHL_SS, + TILE_OPC_MULHL_SS_SN, + TILE_OPC_MULHL_SU, + TILE_OPC_MULHL_SU_SN, + TILE_OPC_MULHL_US, + TILE_OPC_MULHL_US_SN, + TILE_OPC_MULHL_UU, + TILE_OPC_MULHL_UU_SN, + TILE_OPC_MULHLA_SS, + TILE_OPC_MULHLA_SS_SN, + TILE_OPC_MULHLA_SU, + TILE_OPC_MULHLA_SU_SN, + TILE_OPC_MULHLA_US, + TILE_OPC_MULHLA_US_SN, + TILE_OPC_MULHLA_UU, + TILE_OPC_MULHLA_UU_SN, + TILE_OPC_MULHLSA_UU, + TILE_OPC_MULHLSA_UU_SN, + TILE_OPC_MULLL_SS, + TILE_OPC_MULLL_SS_SN, + TILE_OPC_MULLL_SU, + TILE_OPC_MULLL_SU_SN, + TILE_OPC_MULLL_UU, + TILE_OPC_MULLL_UU_SN, + TILE_OPC_MULLLA_SS, + TILE_OPC_MULLLA_SS_SN, + TILE_OPC_MULLLA_SU, + TILE_OPC_MULLLA_SU_SN, + TILE_OPC_MULLLA_UU, + TILE_OPC_MULLLA_UU_SN, + TILE_OPC_MULLLSA_UU, + TILE_OPC_MULLLSA_UU_SN, + TILE_OPC_MVNZ, + TILE_OPC_MVNZ_SN, + TILE_OPC_MVZ, + TILE_OPC_MVZ_SN, + TILE_OPC_MZ, + TILE_OPC_MZ_SN, + TILE_OPC_MZB, + TILE_OPC_MZB_SN, + TILE_OPC_MZH, + TILE_OPC_MZH_SN, + TILE_OPC_NAP, + TILE_OPC_NOP, + TILE_OPC_NOR, + TILE_OPC_NOR_SN, + TILE_OPC_OR, + TILE_OPC_OR_SN, + TILE_OPC_ORI, + TILE_OPC_ORI_SN, + TILE_OPC_PACKBS_U, + TILE_OPC_PACKBS_U_SN, + TILE_OPC_PACKHB, + TILE_OPC_PACKHB_SN, + TILE_OPC_PACKHS, + TILE_OPC_PACKHS_SN, + TILE_OPC_PACKLB, + TILE_OPC_PACKLB_SN, + TILE_OPC_PCNT, + TILE_OPC_PCNT_SN, + TILE_OPC_RL, + TILE_OPC_RL_SN, + TILE_OPC_RLI, + TILE_OPC_RLI_SN, + TILE_OPC_S1A, + TILE_OPC_S1A_SN, + TILE_OPC_S2A, + TILE_OPC_S2A_SN, + TILE_OPC_S3A, + TILE_OPC_S3A_SN, + TILE_OPC_SADAB_U, + TILE_OPC_SADAB_U_SN, + TILE_OPC_SADAH, + TILE_OPC_SADAH_SN, + TILE_OPC_SADAH_U, + TILE_OPC_SADAH_U_SN, + TILE_OPC_SADB_U, + TILE_OPC_SADB_U_SN, + TILE_OPC_SADH, + TILE_OPC_SADH_SN, + TILE_OPC_SADH_U, + TILE_OPC_SADH_U_SN, + TILE_OPC_SB, + TILE_OPC_SBADD, + TILE_OPC_SEQ, + TILE_OPC_SEQ_SN, + TILE_OPC_SEQB, + TILE_OPC_SEQB_SN, + TILE_OPC_SEQH, + TILE_OPC_SEQH_SN, + TILE_OPC_SEQI, + TILE_OPC_SEQI_SN, + TILE_OPC_SEQIB, + TILE_OPC_SEQIB_SN, + TILE_OPC_SEQIH, + TILE_OPC_SEQIH_SN, + TILE_OPC_SH, + TILE_OPC_SHADD, + TILE_OPC_SHL, + TILE_OPC_SHL_SN, + TILE_OPC_SHLB, + TILE_OPC_SHLB_SN, + TILE_OPC_SHLH, + TILE_OPC_SHLH_SN, + TILE_OPC_SHLI, + TILE_OPC_SHLI_SN, + TILE_OPC_SHLIB, + TILE_OPC_SHLIB_SN, + TILE_OPC_SHLIH, + TILE_OPC_SHLIH_SN, + TILE_OPC_SHR, + TILE_OPC_SHR_SN, + TILE_OPC_SHRB, + TILE_OPC_SHRB_SN, + TILE_OPC_SHRH, + TILE_OPC_SHRH_SN, + TILE_OPC_SHRI, + TILE_OPC_SHRI_SN, + TILE_OPC_SHRIB, + TILE_OPC_SHRIB_SN, + TILE_OPC_SHRIH, + TILE_OPC_SHRIH_SN, + TILE_OPC_SLT, + TILE_OPC_SLT_SN, + TILE_OPC_SLT_U, + TILE_OPC_SLT_U_SN, + TILE_OPC_SLTB, + TILE_OPC_SLTB_SN, + TILE_OPC_SLTB_U, + TILE_OPC_SLTB_U_SN, + TILE_OPC_SLTE, + TILE_OPC_SLTE_SN, + TILE_OPC_SLTE_U, + TILE_OPC_SLTE_U_SN, + TILE_OPC_SLTEB, + TILE_OPC_SLTEB_SN, + TILE_OPC_SLTEB_U, + TILE_OPC_SLTEB_U_SN, + TILE_OPC_SLTEH, + TILE_OPC_SLTEH_SN, + TILE_OPC_SLTEH_U, + TILE_OPC_SLTEH_U_SN, + TILE_OPC_SLTH, + TILE_OPC_SLTH_SN, + TILE_OPC_SLTH_U, + TILE_OPC_SLTH_U_SN, + TILE_OPC_SLTI, + TILE_OPC_SLTI_SN, + TILE_OPC_SLTI_U, + TILE_OPC_SLTI_U_SN, + TILE_OPC_SLTIB, + TILE_OPC_SLTIB_SN, + TILE_OPC_SLTIB_U, + TILE_OPC_SLTIB_U_SN, + TILE_OPC_SLTIH, + TILE_OPC_SLTIH_SN, + TILE_OPC_SLTIH_U, + TILE_OPC_SLTIH_U_SN, + TILE_OPC_SNE, + TILE_OPC_SNE_SN, + TILE_OPC_SNEB, + TILE_OPC_SNEB_SN, + TILE_OPC_SNEH, + TILE_OPC_SNEH_SN, + TILE_OPC_SRA, + TILE_OPC_SRA_SN, + TILE_OPC_SRAB, + TILE_OPC_SRAB_SN, + TILE_OPC_SRAH, + TILE_OPC_SRAH_SN, + TILE_OPC_SRAI, + TILE_OPC_SRAI_SN, + TILE_OPC_SRAIB, + TILE_OPC_SRAIB_SN, + TILE_OPC_SRAIH, + TILE_OPC_SRAIH_SN, + TILE_OPC_SUB, + TILE_OPC_SUB_SN, + TILE_OPC_SUBB, + TILE_OPC_SUBB_SN, + TILE_OPC_SUBBS_U, + TILE_OPC_SUBBS_U_SN, + TILE_OPC_SUBH, + TILE_OPC_SUBH_SN, + TILE_OPC_SUBHS, + TILE_OPC_SUBHS_SN, + TILE_OPC_SUBS, + TILE_OPC_SUBS_SN, + TILE_OPC_SW, + TILE_OPC_SWADD, + TILE_OPC_SWINT0, + TILE_OPC_SWINT1, + TILE_OPC_SWINT2, + TILE_OPC_SWINT3, + TILE_OPC_TBLIDXB0, + TILE_OPC_TBLIDXB0_SN, + TILE_OPC_TBLIDXB1, + TILE_OPC_TBLIDXB1_SN, + TILE_OPC_TBLIDXB2, + TILE_OPC_TBLIDXB2_SN, + TILE_OPC_TBLIDXB3, + TILE_OPC_TBLIDXB3_SN, + TILE_OPC_TNS, + TILE_OPC_TNS_SN, + TILE_OPC_WH64, + TILE_OPC_XOR, + TILE_OPC_XOR_SN, + TILE_OPC_XORI, + TILE_OPC_XORI_SN, + TILE_OPC_NONE +} tile_mnemonic; + +/* 64-bit pattern for a { bpt ; nop } bundle. */ +#define TILE_BPT_BUNDLE 0x400b3cae70166000ULL + + +#define TILE_ELF_MACHINE_CODE EM_TILEPRO + +#define TILE_ELF_NAME "elf32-tilepro" + +enum +{ + TILE_SN_MAX_OPERANDS = 6 /* route */ +}; + +typedef enum +{ + TILE_SN_OPC_BZ, + TILE_SN_OPC_BNZ, + TILE_SN_OPC_JRR, + TILE_SN_OPC_FNOP, + TILE_SN_OPC_BLZ, + TILE_SN_OPC_NOP, + TILE_SN_OPC_MOVEI, + TILE_SN_OPC_MOVE, + TILE_SN_OPC_BGEZ, + TILE_SN_OPC_JR, + TILE_SN_OPC_BLEZ, + TILE_SN_OPC_BBNS, + TILE_SN_OPC_JALRR, + TILE_SN_OPC_BPT, + TILE_SN_OPC_JALR, + TILE_SN_OPC_SHR1, + TILE_SN_OPC_BGZ, + TILE_SN_OPC_BBS, + TILE_SN_OPC_SHL8II, + TILE_SN_OPC_ADDI, + TILE_SN_OPC_HALT, + TILE_SN_OPC_ROUTE, + TILE_SN_OPC_NONE +} tile_sn_mnemonic; + +extern const unsigned char tile_sn_route_encode[6 * 6 * 6]; +extern const signed char tile_sn_route_decode[256][3]; +extern const char tile_sn_direction_names[6][5]; +extern const signed char tile_sn_dest_map[6][6]; + + +static __inline unsigned int +get_BrOff_SN(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 0)) & 0x3ff); +} + +static __inline unsigned int +get_BrOff_X1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 43)) & 0x00007fff) | + (((unsigned int)(n >> 20)) & 0x00018000); +} + +static __inline unsigned int +get_BrType_X1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 31)) & 0xf); +} + +static __inline unsigned int +get_Dest_Imm8_X1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 31)) & 0x0000003f) | + (((unsigned int)(n >> 43)) & 0x000000c0); +} + +static __inline unsigned int +get_Dest_SN(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 2)) & 0x3); +} + +static __inline unsigned int +get_Dest_X0(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 0)) & 0x3f); +} + +static __inline unsigned int +get_Dest_X1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 31)) & 0x3f); +} + +static __inline unsigned int +get_Dest_Y0(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 0)) & 0x3f); +} + +static __inline unsigned int +get_Dest_Y1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 31)) & 0x3f); +} + +static __inline unsigned int +get_Imm16_X0(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 12)) & 0xffff); +} + +static __inline unsigned int +get_Imm16_X1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 43)) & 0xffff); +} + +static __inline unsigned int +get_Imm8_SN(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 0)) & 0xff); +} + +static __inline unsigned int +get_Imm8_X0(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 12)) & 0xff); +} + +static __inline unsigned int +get_Imm8_X1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 43)) & 0xff); +} + +static __inline unsigned int +get_Imm8_Y0(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 12)) & 0xff); +} + +static __inline unsigned int +get_Imm8_Y1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 43)) & 0xff); +} + +static __inline unsigned int +get_ImmOpcodeExtension_X0(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 20)) & 0x7f); +} + +static __inline unsigned int +get_ImmOpcodeExtension_X1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 51)) & 0x7f); +} + +static __inline unsigned int +get_ImmRROpcodeExtension_SN(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 8)) & 0x3); +} + +static __inline unsigned int +get_JOffLong_X1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 43)) & 0x00007fff) | + (((unsigned int)(n >> 20)) & 0x00018000) | + (((unsigned int)(n >> 14)) & 0x001e0000) | + (((unsigned int)(n >> 16)) & 0x07e00000) | + (((unsigned int)(n >> 31)) & 0x18000000); +} + +static __inline unsigned int +get_JOff_X1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 43)) & 0x00007fff) | + (((unsigned int)(n >> 20)) & 0x00018000) | + (((unsigned int)(n >> 14)) & 0x001e0000) | + (((unsigned int)(n >> 16)) & 0x07e00000) | + (((unsigned int)(n >> 31)) & 0x08000000); +} + +static __inline unsigned int +get_MF_Imm15_X1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 37)) & 0x00003fff) | + (((unsigned int)(n >> 44)) & 0x00004000); +} + +static __inline unsigned int +get_MMEnd_X0(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 18)) & 0x1f); +} + +static __inline unsigned int +get_MMEnd_X1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 49)) & 0x1f); +} + +static __inline unsigned int +get_MMStart_X0(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 23)) & 0x1f); +} + +static __inline unsigned int +get_MMStart_X1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 54)) & 0x1f); +} + +static __inline unsigned int +get_MT_Imm15_X1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 31)) & 0x0000003f) | + (((unsigned int)(n >> 37)) & 0x00003fc0) | + (((unsigned int)(n >> 44)) & 0x00004000); +} + +static __inline unsigned int +get_Mode(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 63)) & 0x1); +} + +static __inline unsigned int +get_NoRegOpcodeExtension_SN(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 0)) & 0xf); +} + +static __inline unsigned int +get_Opcode_SN(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 10)) & 0x3f); +} + +static __inline unsigned int +get_Opcode_X0(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 28)) & 0x7); +} + +static __inline unsigned int +get_Opcode_X1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 59)) & 0xf); +} + +static __inline unsigned int +get_Opcode_Y0(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 27)) & 0xf); +} + +static __inline unsigned int +get_Opcode_Y1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 59)) & 0xf); +} + +static __inline unsigned int +get_Opcode_Y2(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 56)) & 0x7); +} + +static __inline unsigned int +get_RROpcodeExtension_SN(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 4)) & 0xf); +} + +static __inline unsigned int +get_RRROpcodeExtension_X0(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 18)) & 0x1ff); +} + +static __inline unsigned int +get_RRROpcodeExtension_X1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 49)) & 0x1ff); +} + +static __inline unsigned int +get_RRROpcodeExtension_Y0(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 18)) & 0x3); +} + +static __inline unsigned int +get_RRROpcodeExtension_Y1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 49)) & 0x3); +} + +static __inline unsigned int +get_RouteOpcodeExtension_SN(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 0)) & 0x3ff); +} + +static __inline unsigned int +get_S_X0(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 27)) & 0x1); +} + +static __inline unsigned int +get_S_X1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 58)) & 0x1); +} + +static __inline unsigned int +get_ShAmt_X0(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 12)) & 0x1f); +} + +static __inline unsigned int +get_ShAmt_X1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 43)) & 0x1f); +} + +static __inline unsigned int +get_ShAmt_Y0(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 12)) & 0x1f); +} + +static __inline unsigned int +get_ShAmt_Y1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 43)) & 0x1f); +} + +static __inline unsigned int +get_SrcA_X0(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 6)) & 0x3f); +} + +static __inline unsigned int +get_SrcA_X1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 37)) & 0x3f); +} + +static __inline unsigned int +get_SrcA_Y0(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 6)) & 0x3f); +} + +static __inline unsigned int +get_SrcA_Y1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 37)) & 0x3f); +} + +static __inline unsigned int +get_SrcA_Y2(tile_bundle_bits n) +{ + return (((n >> 26)) & 0x00000001) | + (((unsigned int)(n >> 50)) & 0x0000003e); +} + +static __inline unsigned int +get_SrcBDest_Y2(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 20)) & 0x3f); +} + +static __inline unsigned int +get_SrcB_X0(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 12)) & 0x3f); +} + +static __inline unsigned int +get_SrcB_X1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 43)) & 0x3f); +} + +static __inline unsigned int +get_SrcB_Y0(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 12)) & 0x3f); +} + +static __inline unsigned int +get_SrcB_Y1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 43)) & 0x3f); +} + +static __inline unsigned int +get_Src_SN(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 0)) & 0x3); +} + +static __inline unsigned int +get_UnOpcodeExtension_X0(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 12)) & 0x1f); +} + +static __inline unsigned int +get_UnOpcodeExtension_X1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 43)) & 0x1f); +} + +static __inline unsigned int +get_UnOpcodeExtension_Y0(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 12)) & 0x1f); +} + +static __inline unsigned int +get_UnOpcodeExtension_Y1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 43)) & 0x1f); +} + +static __inline unsigned int +get_UnShOpcodeExtension_X0(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 17)) & 0x3ff); +} + +static __inline unsigned int +get_UnShOpcodeExtension_X1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 48)) & 0x3ff); +} + +static __inline unsigned int +get_UnShOpcodeExtension_Y0(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 17)) & 0x7); +} + +static __inline unsigned int +get_UnShOpcodeExtension_Y1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 48)) & 0x7); +} + + +static __inline int +sign_extend(int n, int num_bits) +{ + int shift = (int)(sizeof(int) * 8 - num_bits); + return (n << shift) >> shift; +} + + + +static __inline tile_bundle_bits +create_BrOff_SN(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x3ff) << 0); +} + +static __inline tile_bundle_bits +create_BrOff_X1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x00007fff)) << 43) | + (((tile_bundle_bits)(n & 0x00018000)) << 20); +} + +static __inline tile_bundle_bits +create_BrType_X1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0xf)) << 31); +} + +static __inline tile_bundle_bits +create_Dest_Imm8_X1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x0000003f)) << 31) | + (((tile_bundle_bits)(n & 0x000000c0)) << 43); +} + +static __inline tile_bundle_bits +create_Dest_SN(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x3) << 2); +} + +static __inline tile_bundle_bits +create_Dest_X0(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x3f) << 0); +} + +static __inline tile_bundle_bits +create_Dest_X1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x3f)) << 31); +} + +static __inline tile_bundle_bits +create_Dest_Y0(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x3f) << 0); +} + +static __inline tile_bundle_bits +create_Dest_Y1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x3f)) << 31); +} + +static __inline tile_bundle_bits +create_Imm16_X0(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0xffff) << 12); +} + +static __inline tile_bundle_bits +create_Imm16_X1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0xffff)) << 43); +} + +static __inline tile_bundle_bits +create_Imm8_SN(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0xff) << 0); +} + +static __inline tile_bundle_bits +create_Imm8_X0(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0xff) << 12); +} + +static __inline tile_bundle_bits +create_Imm8_X1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0xff)) << 43); +} + +static __inline tile_bundle_bits +create_Imm8_Y0(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0xff) << 12); +} + +static __inline tile_bundle_bits +create_Imm8_Y1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0xff)) << 43); +} + +static __inline tile_bundle_bits +create_ImmOpcodeExtension_X0(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x7f) << 20); +} + +static __inline tile_bundle_bits +create_ImmOpcodeExtension_X1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x7f)) << 51); +} + +static __inline tile_bundle_bits +create_ImmRROpcodeExtension_SN(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x3) << 8); +} + +static __inline tile_bundle_bits +create_JOffLong_X1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x00007fff)) << 43) | + (((tile_bundle_bits)(n & 0x00018000)) << 20) | + (((tile_bundle_bits)(n & 0x001e0000)) << 14) | + (((tile_bundle_bits)(n & 0x07e00000)) << 16) | + (((tile_bundle_bits)(n & 0x18000000)) << 31); +} + +static __inline tile_bundle_bits +create_JOff_X1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x00007fff)) << 43) | + (((tile_bundle_bits)(n & 0x00018000)) << 20) | + (((tile_bundle_bits)(n & 0x001e0000)) << 14) | + (((tile_bundle_bits)(n & 0x07e00000)) << 16) | + (((tile_bundle_bits)(n & 0x08000000)) << 31); +} + +static __inline tile_bundle_bits +create_MF_Imm15_X1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x00003fff)) << 37) | + (((tile_bundle_bits)(n & 0x00004000)) << 44); +} + +static __inline tile_bundle_bits +create_MMEnd_X0(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x1f) << 18); +} + +static __inline tile_bundle_bits +create_MMEnd_X1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x1f)) << 49); +} + +static __inline tile_bundle_bits +create_MMStart_X0(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x1f) << 23); +} + +static __inline tile_bundle_bits +create_MMStart_X1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x1f)) << 54); +} + +static __inline tile_bundle_bits +create_MT_Imm15_X1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x0000003f)) << 31) | + (((tile_bundle_bits)(n & 0x00003fc0)) << 37) | + (((tile_bundle_bits)(n & 0x00004000)) << 44); +} + +static __inline tile_bundle_bits +create_Mode(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x1)) << 63); +} + +static __inline tile_bundle_bits +create_NoRegOpcodeExtension_SN(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0xf) << 0); +} + +static __inline tile_bundle_bits +create_Opcode_SN(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x3f) << 10); +} + +static __inline tile_bundle_bits +create_Opcode_X0(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x7) << 28); +} + +static __inline tile_bundle_bits +create_Opcode_X1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0xf)) << 59); +} + +static __inline tile_bundle_bits +create_Opcode_Y0(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0xf) << 27); +} + +static __inline tile_bundle_bits +create_Opcode_Y1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0xf)) << 59); +} + +static __inline tile_bundle_bits +create_Opcode_Y2(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x7)) << 56); +} + +static __inline tile_bundle_bits +create_RROpcodeExtension_SN(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0xf) << 4); +} + +static __inline tile_bundle_bits +create_RRROpcodeExtension_X0(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x1ff) << 18); +} + +static __inline tile_bundle_bits +create_RRROpcodeExtension_X1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x1ff)) << 49); +} + +static __inline tile_bundle_bits +create_RRROpcodeExtension_Y0(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x3) << 18); +} + +static __inline tile_bundle_bits +create_RRROpcodeExtension_Y1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x3)) << 49); +} + +static __inline tile_bundle_bits +create_RouteOpcodeExtension_SN(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x3ff) << 0); +} + +static __inline tile_bundle_bits +create_S_X0(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x1) << 27); +} + +static __inline tile_bundle_bits +create_S_X1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x1)) << 58); +} + +static __inline tile_bundle_bits +create_ShAmt_X0(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x1f) << 12); +} + +static __inline tile_bundle_bits +create_ShAmt_X1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x1f)) << 43); +} + +static __inline tile_bundle_bits +create_ShAmt_Y0(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x1f) << 12); +} + +static __inline tile_bundle_bits +create_ShAmt_Y1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x1f)) << 43); +} + +static __inline tile_bundle_bits +create_SrcA_X0(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x3f) << 6); +} + +static __inline tile_bundle_bits +create_SrcA_X1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x3f)) << 37); +} + +static __inline tile_bundle_bits +create_SrcA_Y0(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x3f) << 6); +} + +static __inline tile_bundle_bits +create_SrcA_Y1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x3f)) << 37); +} + +static __inline tile_bundle_bits +create_SrcA_Y2(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x00000001) << 26) | + (((tile_bundle_bits)(n & 0x0000003e)) << 50); +} + +static __inline tile_bundle_bits +create_SrcBDest_Y2(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x3f) << 20); +} + +static __inline tile_bundle_bits +create_SrcB_X0(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x3f) << 12); +} + +static __inline tile_bundle_bits +create_SrcB_X1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x3f)) << 43); +} + +static __inline tile_bundle_bits +create_SrcB_Y0(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x3f) << 12); +} + +static __inline tile_bundle_bits +create_SrcB_Y1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x3f)) << 43); +} + +static __inline tile_bundle_bits +create_Src_SN(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x3) << 0); +} + +static __inline tile_bundle_bits +create_UnOpcodeExtension_X0(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x1f) << 12); +} + +static __inline tile_bundle_bits +create_UnOpcodeExtension_X1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x1f)) << 43); +} + +static __inline tile_bundle_bits +create_UnOpcodeExtension_Y0(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x1f) << 12); +} + +static __inline tile_bundle_bits +create_UnOpcodeExtension_Y1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x1f)) << 43); +} + +static __inline tile_bundle_bits +create_UnShOpcodeExtension_X0(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x3ff) << 17); +} + +static __inline tile_bundle_bits +create_UnShOpcodeExtension_X1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x3ff)) << 48); +} + +static __inline tile_bundle_bits +create_UnShOpcodeExtension_Y0(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x7) << 17); +} + +static __inline tile_bundle_bits +create_UnShOpcodeExtension_Y1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x7)) << 48); +} + + +typedef unsigned short tile_sn_instruction_bits; + + +typedef enum +{ + TILE_PIPELINE_X0, + TILE_PIPELINE_X1, + TILE_PIPELINE_Y0, + TILE_PIPELINE_Y1, + TILE_PIPELINE_Y2, +} tile_pipeline; + +#define tile_is_x_pipeline(p) ((int)(p) <= (int)TILE_PIPELINE_X1) + +typedef enum +{ + TILE_OP_TYPE_REGISTER, + TILE_OP_TYPE_IMMEDIATE, + TILE_OP_TYPE_ADDRESS, + TILE_OP_TYPE_SPR +} tile_operand_type; + +/* This is the bit that determines if a bundle is in the Y encoding. */ +#define TILE_BUNDLE_Y_ENCODING_MASK ((tile_bundle_bits)1 << 63) + +enum +{ + /* Maximum number of instructions in a bundle (2 for X, 3 for Y). */ + TILE_MAX_INSTRUCTIONS_PER_BUNDLE = 3, + + /* How many different pipeline encodings are there? X0, X1, Y0, Y1, Y2. */ + TILE_NUM_PIPELINE_ENCODINGS = 5, + + /* Log base 2 of TILE_BUNDLE_SIZE_IN_BYTES. */ + TILE_LOG2_BUNDLE_SIZE_IN_BYTES = 3, + + /* Instructions take this many bytes. */ + TILE_BUNDLE_SIZE_IN_BYTES = 1 << TILE_LOG2_BUNDLE_SIZE_IN_BYTES, + + /* Log base 2 of TILE_BUNDLE_ALIGNMENT_IN_BYTES. */ + TILE_LOG2_BUNDLE_ALIGNMENT_IN_BYTES = 3, + + /* Bundles should be aligned modulo this number of bytes. */ + TILE_BUNDLE_ALIGNMENT_IN_BYTES = + (1 << TILE_LOG2_BUNDLE_ALIGNMENT_IN_BYTES), + + /* Log base 2 of TILE_SN_INSTRUCTION_SIZE_IN_BYTES. */ + TILE_LOG2_SN_INSTRUCTION_SIZE_IN_BYTES = 1, + + /* Static network instructions take this many bytes. */ + TILE_SN_INSTRUCTION_SIZE_IN_BYTES = + (1 << TILE_LOG2_SN_INSTRUCTION_SIZE_IN_BYTES), + + /* Number of registers (some are magic, such as network I/O). */ + TILE_NUM_REGISTERS = 64, + + /* Number of static network registers. */ + TILE_NUM_SN_REGISTERS = 4 +}; + + +struct tile_operand +{ + /* Is this operand a register, immediate or address? */ + tile_operand_type type; + + /* The default relocation type for this operand. */ + signed int default_reloc : 16; + + /* How many bits is this value? (used for range checking) */ + unsigned int num_bits : 5; + + /* Is the value signed? (used for range checking) */ + unsigned int is_signed : 1; + + /* Is this operand a source register? */ + unsigned int is_src_reg : 1; + + /* Is this operand written? (i.e. is it a destination register) */ + unsigned int is_dest_reg : 1; + + /* Is this operand PC-relative? */ + unsigned int is_pc_relative : 1; + + /* By how many bits do we right shift the value before inserting? */ + unsigned int rightshift : 2; + + /* Return the bits for this operand to be ORed into an existing bundle. */ + tile_bundle_bits (*insert) (int op); + + /* Extract this operand and return it. */ + unsigned int (*extract) (tile_bundle_bits bundle); +}; + + +extern const struct tile_operand tile_operands[]; + +/* One finite-state machine per pipe for rapid instruction decoding. */ +extern const unsigned short * const +tile_bundle_decoder_fsms[TILE_NUM_PIPELINE_ENCODINGS]; + + +struct tile_opcode +{ + /* The opcode mnemonic, e.g. "add" */ + const char *name; + + /* The enum value for this mnemonic. */ + tile_mnemonic mnemonic; + + /* A bit mask of which of the five pipes this instruction + is compatible with: + X0 0x01 + X1 0x02 + Y0 0x04 + Y1 0x08 + Y2 0x10 */ + unsigned char pipes; + + /* How many operands are there? */ + unsigned char num_operands; + + /* Which register does this write implicitly, or TREG_ZERO if none? */ + unsigned char implicitly_written_register; + + /* Can this be bundled with other instructions (almost always true). */ + unsigned char can_bundle; + + /* The description of the operands. Each of these is an + * index into the tile_operands[] table. */ + unsigned char operands[TILE_NUM_PIPELINE_ENCODINGS][TILE_MAX_OPERANDS]; + + /* A mask of which bits have predefined values for each pipeline. + * This is useful for disassembly. */ + tile_bundle_bits fixed_bit_masks[TILE_NUM_PIPELINE_ENCODINGS]; + + /* For each bit set in fixed_bit_masks, what the value is for this + * instruction. */ + tile_bundle_bits fixed_bit_values[TILE_NUM_PIPELINE_ENCODINGS]; +}; + +extern const struct tile_opcode tile_opcodes[]; + +struct tile_sn_opcode +{ + /* The opcode mnemonic, e.g. "add" */ + const char *name; + + /* The enum value for this mnemonic. */ + tile_sn_mnemonic mnemonic; + + /* How many operands are there? */ + unsigned char num_operands; + + /* The description of the operands. Each of these is an + * index into the tile_operands[] table. */ + unsigned char operands[TILE_SN_MAX_OPERANDS]; + + /* A mask of which bits have predefined values. + * This is useful for disassembly. */ + tile_sn_instruction_bits fixed_bit_mask; + + /* For each bit set in fixed_bit_masks, what its value is. */ + tile_sn_instruction_bits fixed_bit_values; +}; + +extern const struct tile_sn_opcode tile_sn_opcodes[]; + +/* Used for non-textual disassembly into structs. */ +struct tile_decoded_instruction +{ + const struct tile_opcode *opcode; + const struct tile_operand *operands[TILE_MAX_OPERANDS]; + int operand_values[TILE_MAX_OPERANDS]; +}; + + +/* Disassemble a bundle into a struct for machine processing. */ +extern int parse_insn_tile(tile_bundle_bits bits, + unsigned int pc, + struct tile_decoded_instruction + decoded[TILE_MAX_INSTRUCTIONS_PER_BUNDLE]); + + +/* Canonical names of all the registers. */ +/* ISSUE: This table lives in "tile-dis.c" */ +extern const char * const tile_register_names[]; + +/* Descriptor for a special-purpose register. */ +struct tile_spr +{ + /* The number */ + int number; + + /* The name */ + const char *name; +}; + +/* List of all the SPRs; ordered by increasing number. */ +extern const struct tile_spr tile_sprs[]; + +/* Number of special-purpose registers. */ +extern const int tile_num_sprs; + +extern const char * +get_tile_spr_name (int num); + +#endif /* opcode_tile_h */ diff --git a/arch/tile/include/asm/opcode-tile_64.h b/arch/tile/include/asm/opcode-tile_64.h new file mode 100644 index 0000000..90f8dd3 --- /dev/null +++ b/arch/tile/include/asm/opcode-tile_64.h @@ -0,0 +1,1597 @@ +/* tile.h -- Header file for TILE opcode table + Copyright (C) 2005 Free Software Foundation, Inc. + Contributed by Tilera Corp. */ + +#ifndef opcode_tile_h +#define opcode_tile_h + +typedef unsigned long long tile_bundle_bits; + + +enum +{ + TILE_MAX_OPERANDS = 5 /* mm */ +}; + +typedef enum +{ + TILE_OPC_BPT, + TILE_OPC_INFO, + TILE_OPC_INFOL, + TILE_OPC_J, + TILE_OPC_JAL, + TILE_OPC_MOVE, + TILE_OPC_MOVE_SN, + TILE_OPC_MOVEI, + TILE_OPC_MOVEI_SN, + TILE_OPC_MOVELI, + TILE_OPC_MOVELI_SN, + TILE_OPC_MOVELIS, + TILE_OPC_PREFETCH, + TILE_OPC_ADD, + TILE_OPC_ADD_SN, + TILE_OPC_ADDB, + TILE_OPC_ADDB_SN, + TILE_OPC_ADDBS_U, + TILE_OPC_ADDBS_U_SN, + TILE_OPC_ADDH, + TILE_OPC_ADDH_SN, + TILE_OPC_ADDHS, + TILE_OPC_ADDHS_SN, + TILE_OPC_ADDI, + TILE_OPC_ADDI_SN, + TILE_OPC_ADDIB, + TILE_OPC_ADDIB_SN, + TILE_OPC_ADDIH, + TILE_OPC_ADDIH_SN, + TILE_OPC_ADDLI, + TILE_OPC_ADDLI_SN, + TILE_OPC_ADDLIS, + TILE_OPC_ADDS, + TILE_OPC_ADDS_SN, + TILE_OPC_ADIFFB_U, + TILE_OPC_ADIFFB_U_SN, + TILE_OPC_ADIFFH, + TILE_OPC_ADIFFH_SN, + TILE_OPC_AND, + TILE_OPC_AND_SN, + TILE_OPC_ANDI, + TILE_OPC_ANDI_SN, + TILE_OPC_AULI, + TILE_OPC_AVGB_U, + TILE_OPC_AVGB_U_SN, + TILE_OPC_AVGH, + TILE_OPC_AVGH_SN, + TILE_OPC_BBNS, + TILE_OPC_BBNS_SN, + TILE_OPC_BBNST, + TILE_OPC_BBNST_SN, + TILE_OPC_BBS, + TILE_OPC_BBS_SN, + TILE_OPC_BBST, + TILE_OPC_BBST_SN, + TILE_OPC_BGEZ, + TILE_OPC_BGEZ_SN, + TILE_OPC_BGEZT, + TILE_OPC_BGEZT_SN, + TILE_OPC_BGZ, + TILE_OPC_BGZ_SN, + TILE_OPC_BGZT, + TILE_OPC_BGZT_SN, + TILE_OPC_BITX, + TILE_OPC_BITX_SN, + TILE_OPC_BLEZ, + TILE_OPC_BLEZ_SN, + TILE_OPC_BLEZT, + TILE_OPC_BLEZT_SN, + TILE_OPC_BLZ, + TILE_OPC_BLZ_SN, + TILE_OPC_BLZT, + TILE_OPC_BLZT_SN, + TILE_OPC_BNZ, + TILE_OPC_BNZ_SN, + TILE_OPC_BNZT, + TILE_OPC_BNZT_SN, + TILE_OPC_BYTEX, + TILE_OPC_BYTEX_SN, + TILE_OPC_BZ, + TILE_OPC_BZ_SN, + TILE_OPC_BZT, + TILE_OPC_BZT_SN, + TILE_OPC_CLZ, + TILE_OPC_CLZ_SN, + TILE_OPC_CRC32_32, + TILE_OPC_CRC32_32_SN, + TILE_OPC_CRC32_8, + TILE_OPC_CRC32_8_SN, + TILE_OPC_CTZ, + TILE_OPC_CTZ_SN, + TILE_OPC_DRAIN, + TILE_OPC_DTLBPR, + TILE_OPC_DWORD_ALIGN, + TILE_OPC_DWORD_ALIGN_SN, + TILE_OPC_FINV, + TILE_OPC_FLUSH, + TILE_OPC_FNOP, + TILE_OPC_ICOH, + TILE_OPC_ILL, + TILE_OPC_INTHB, + TILE_OPC_INTHB_SN, + TILE_OPC_INTHH, + TILE_OPC_INTHH_SN, + TILE_OPC_INTLB, + TILE_OPC_INTLB_SN, + TILE_OPC_INTLH, + TILE_OPC_INTLH_SN, + TILE_OPC_INV, + TILE_OPC_IRET, + TILE_OPC_JALB, + TILE_OPC_JALF, + TILE_OPC_JALR, + TILE_OPC_JALRP, + TILE_OPC_JB, + TILE_OPC_JF, + TILE_OPC_JR, + TILE_OPC_JRP, + TILE_OPC_LB, + TILE_OPC_LB_SN, + TILE_OPC_LB_U, + TILE_OPC_LB_U_SN, + TILE_OPC_LBADD, + TILE_OPC_LBADD_SN, + TILE_OPC_LBADD_U, + TILE_OPC_LBADD_U_SN, + TILE_OPC_LH, + TILE_OPC_LH_SN, + TILE_OPC_LH_U, + TILE_OPC_LH_U_SN, + TILE_OPC_LHADD, + TILE_OPC_LHADD_SN, + TILE_OPC_LHADD_U, + TILE_OPC_LHADD_U_SN, + TILE_OPC_LNK, + TILE_OPC_LNK_SN, + TILE_OPC_LW, + TILE_OPC_LW_SN, + TILE_OPC_LW_NA, + TILE_OPC_LW_NA_SN, + TILE_OPC_LWADD, + TILE_OPC_LWADD_SN, + TILE_OPC_LWADD_NA, + TILE_OPC_LWADD_NA_SN, + TILE_OPC_MAXB_U, + TILE_OPC_MAXB_U_SN, + TILE_OPC_MAXH, + TILE_OPC_MAXH_SN, + TILE_OPC_MAXIB_U, + TILE_OPC_MAXIB_U_SN, + TILE_OPC_MAXIH, + TILE_OPC_MAXIH_SN, + TILE_OPC_MF, + TILE_OPC_MFSPR, + TILE_OPC_MINB_U, + TILE_OPC_MINB_U_SN, + TILE_OPC_MINH, + TILE_OPC_MINH_SN, + TILE_OPC_MINIB_U, + TILE_OPC_MINIB_U_SN, + TILE_OPC_MINIH, + TILE_OPC_MINIH_SN, + TILE_OPC_MM, + TILE_OPC_MNZ, + TILE_OPC_MNZ_SN, + TILE_OPC_MNZB, + TILE_OPC_MNZB_SN, + TILE_OPC_MNZH, + TILE_OPC_MNZH_SN, + TILE_OPC_MTSPR, + TILE_OPC_MULHH_SS, + TILE_OPC_MULHH_SS_SN, + TILE_OPC_MULHH_SU, + TILE_OPC_MULHH_SU_SN, + TILE_OPC_MULHH_UU, + TILE_OPC_MULHH_UU_SN, + TILE_OPC_MULHHA_SS, + TILE_OPC_MULHHA_SS_SN, + TILE_OPC_MULHHA_SU, + TILE_OPC_MULHHA_SU_SN, + TILE_OPC_MULHHA_UU, + TILE_OPC_MULHHA_UU_SN, + TILE_OPC_MULHHSA_UU, + TILE_OPC_MULHHSA_UU_SN, + TILE_OPC_MULHL_SS, + TILE_OPC_MULHL_SS_SN, + TILE_OPC_MULHL_SU, + TILE_OPC_MULHL_SU_SN, + TILE_OPC_MULHL_US, + TILE_OPC_MULHL_US_SN, + TILE_OPC_MULHL_UU, + TILE_OPC_MULHL_UU_SN, + TILE_OPC_MULHLA_SS, + TILE_OPC_MULHLA_SS_SN, + TILE_OPC_MULHLA_SU, + TILE_OPC_MULHLA_SU_SN, + TILE_OPC_MULHLA_US, + TILE_OPC_MULHLA_US_SN, + TILE_OPC_MULHLA_UU, + TILE_OPC_MULHLA_UU_SN, + TILE_OPC_MULHLSA_UU, + TILE_OPC_MULHLSA_UU_SN, + TILE_OPC_MULLL_SS, + TILE_OPC_MULLL_SS_SN, + TILE_OPC_MULLL_SU, + TILE_OPC_MULLL_SU_SN, + TILE_OPC_MULLL_UU, + TILE_OPC_MULLL_UU_SN, + TILE_OPC_MULLLA_SS, + TILE_OPC_MULLLA_SS_SN, + TILE_OPC_MULLLA_SU, + TILE_OPC_MULLLA_SU_SN, + TILE_OPC_MULLLA_UU, + TILE_OPC_MULLLA_UU_SN, + TILE_OPC_MULLLSA_UU, + TILE_OPC_MULLLSA_UU_SN, + TILE_OPC_MVNZ, + TILE_OPC_MVNZ_SN, + TILE_OPC_MVZ, + TILE_OPC_MVZ_SN, + TILE_OPC_MZ, + TILE_OPC_MZ_SN, + TILE_OPC_MZB, + TILE_OPC_MZB_SN, + TILE_OPC_MZH, + TILE_OPC_MZH_SN, + TILE_OPC_NAP, + TILE_OPC_NOP, + TILE_OPC_NOR, + TILE_OPC_NOR_SN, + TILE_OPC_OR, + TILE_OPC_OR_SN, + TILE_OPC_ORI, + TILE_OPC_ORI_SN, + TILE_OPC_PACKBS_U, + TILE_OPC_PACKBS_U_SN, + TILE_OPC_PACKHB, + TILE_OPC_PACKHB_SN, + TILE_OPC_PACKHS, + TILE_OPC_PACKHS_SN, + TILE_OPC_PACKLB, + TILE_OPC_PACKLB_SN, + TILE_OPC_PCNT, + TILE_OPC_PCNT_SN, + TILE_OPC_RL, + TILE_OPC_RL_SN, + TILE_OPC_RLI, + TILE_OPC_RLI_SN, + TILE_OPC_S1A, + TILE_OPC_S1A_SN, + TILE_OPC_S2A, + TILE_OPC_S2A_SN, + TILE_OPC_S3A, + TILE_OPC_S3A_SN, + TILE_OPC_SADAB_U, + TILE_OPC_SADAB_U_SN, + TILE_OPC_SADAH, + TILE_OPC_SADAH_SN, + TILE_OPC_SADAH_U, + TILE_OPC_SADAH_U_SN, + TILE_OPC_SADB_U, + TILE_OPC_SADB_U_SN, + TILE_OPC_SADH, + TILE_OPC_SADH_SN, + TILE_OPC_SADH_U, + TILE_OPC_SADH_U_SN, + TILE_OPC_SB, + TILE_OPC_SBADD, + TILE_OPC_SEQ, + TILE_OPC_SEQ_SN, + TILE_OPC_SEQB, + TILE_OPC_SEQB_SN, + TILE_OPC_SEQH, + TILE_OPC_SEQH_SN, + TILE_OPC_SEQI, + TILE_OPC_SEQI_SN, + TILE_OPC_SEQIB, + TILE_OPC_SEQIB_SN, + TILE_OPC_SEQIH, + TILE_OPC_SEQIH_SN, + TILE_OPC_SH, + TILE_OPC_SHADD, + TILE_OPC_SHL, + TILE_OPC_SHL_SN, + TILE_OPC_SHLB, + TILE_OPC_SHLB_SN, + TILE_OPC_SHLH, + TILE_OPC_SHLH_SN, + TILE_OPC_SHLI, + TILE_OPC_SHLI_SN, + TILE_OPC_SHLIB, + TILE_OPC_SHLIB_SN, + TILE_OPC_SHLIH, + TILE_OPC_SHLIH_SN, + TILE_OPC_SHR, + TILE_OPC_SHR_SN, + TILE_OPC_SHRB, + TILE_OPC_SHRB_SN, + TILE_OPC_SHRH, + TILE_OPC_SHRH_SN, + TILE_OPC_SHRI, + TILE_OPC_SHRI_SN, + TILE_OPC_SHRIB, + TILE_OPC_SHRIB_SN, + TILE_OPC_SHRIH, + TILE_OPC_SHRIH_SN, + TILE_OPC_SLT, + TILE_OPC_SLT_SN, + TILE_OPC_SLT_U, + TILE_OPC_SLT_U_SN, + TILE_OPC_SLTB, + TILE_OPC_SLTB_SN, + TILE_OPC_SLTB_U, + TILE_OPC_SLTB_U_SN, + TILE_OPC_SLTE, + TILE_OPC_SLTE_SN, + TILE_OPC_SLTE_U, + TILE_OPC_SLTE_U_SN, + TILE_OPC_SLTEB, + TILE_OPC_SLTEB_SN, + TILE_OPC_SLTEB_U, + TILE_OPC_SLTEB_U_SN, + TILE_OPC_SLTEH, + TILE_OPC_SLTEH_SN, + TILE_OPC_SLTEH_U, + TILE_OPC_SLTEH_U_SN, + TILE_OPC_SLTH, + TILE_OPC_SLTH_SN, + TILE_OPC_SLTH_U, + TILE_OPC_SLTH_U_SN, + TILE_OPC_SLTI, + TILE_OPC_SLTI_SN, + TILE_OPC_SLTI_U, + TILE_OPC_SLTI_U_SN, + TILE_OPC_SLTIB, + TILE_OPC_SLTIB_SN, + TILE_OPC_SLTIB_U, + TILE_OPC_SLTIB_U_SN, + TILE_OPC_SLTIH, + TILE_OPC_SLTIH_SN, + TILE_OPC_SLTIH_U, + TILE_OPC_SLTIH_U_SN, + TILE_OPC_SNE, + TILE_OPC_SNE_SN, + TILE_OPC_SNEB, + TILE_OPC_SNEB_SN, + TILE_OPC_SNEH, + TILE_OPC_SNEH_SN, + TILE_OPC_SRA, + TILE_OPC_SRA_SN, + TILE_OPC_SRAB, + TILE_OPC_SRAB_SN, + TILE_OPC_SRAH, + TILE_OPC_SRAH_SN, + TILE_OPC_SRAI, + TILE_OPC_SRAI_SN, + TILE_OPC_SRAIB, + TILE_OPC_SRAIB_SN, + TILE_OPC_SRAIH, + TILE_OPC_SRAIH_SN, + TILE_OPC_SUB, + TILE_OPC_SUB_SN, + TILE_OPC_SUBB, + TILE_OPC_SUBB_SN, + TILE_OPC_SUBBS_U, + TILE_OPC_SUBBS_U_SN, + TILE_OPC_SUBH, + TILE_OPC_SUBH_SN, + TILE_OPC_SUBHS, + TILE_OPC_SUBHS_SN, + TILE_OPC_SUBS, + TILE_OPC_SUBS_SN, + TILE_OPC_SW, + TILE_OPC_SWADD, + TILE_OPC_SWINT0, + TILE_OPC_SWINT1, + TILE_OPC_SWINT2, + TILE_OPC_SWINT3, + TILE_OPC_TBLIDXB0, + TILE_OPC_TBLIDXB0_SN, + TILE_OPC_TBLIDXB1, + TILE_OPC_TBLIDXB1_SN, + TILE_OPC_TBLIDXB2, + TILE_OPC_TBLIDXB2_SN, + TILE_OPC_TBLIDXB3, + TILE_OPC_TBLIDXB3_SN, + TILE_OPC_TNS, + TILE_OPC_TNS_SN, + TILE_OPC_WH64, + TILE_OPC_XOR, + TILE_OPC_XOR_SN, + TILE_OPC_XORI, + TILE_OPC_XORI_SN, + TILE_OPC_NONE +} tile_mnemonic; + +/* 64-bit pattern for a { bpt ; nop } bundle. */ +#define TILE_BPT_BUNDLE 0x400b3cae70166000ULL + + +#define TILE_ELF_MACHINE_CODE EM_TILEPRO + +#define TILE_ELF_NAME "elf32-tilepro" + +enum +{ + TILE_SN_MAX_OPERANDS = 6 /* route */ +}; + +typedef enum +{ + TILE_SN_OPC_BZ, + TILE_SN_OPC_BNZ, + TILE_SN_OPC_JRR, + TILE_SN_OPC_FNOP, + TILE_SN_OPC_BLZ, + TILE_SN_OPC_NOP, + TILE_SN_OPC_MOVEI, + TILE_SN_OPC_MOVE, + TILE_SN_OPC_BGEZ, + TILE_SN_OPC_JR, + TILE_SN_OPC_BLEZ, + TILE_SN_OPC_BBNS, + TILE_SN_OPC_JALRR, + TILE_SN_OPC_BPT, + TILE_SN_OPC_JALR, + TILE_SN_OPC_SHR1, + TILE_SN_OPC_BGZ, + TILE_SN_OPC_BBS, + TILE_SN_OPC_SHL8II, + TILE_SN_OPC_ADDI, + TILE_SN_OPC_HALT, + TILE_SN_OPC_ROUTE, + TILE_SN_OPC_NONE +} tile_sn_mnemonic; + +extern const unsigned char tile_sn_route_encode[6 * 6 * 6]; +extern const signed char tile_sn_route_decode[256][3]; +extern const char tile_sn_direction_names[6][5]; +extern const signed char tile_sn_dest_map[6][6]; + + +static __inline unsigned int +get_BrOff_SN(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 0)) & 0x3ff); +} + +static __inline unsigned int +get_BrOff_X1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 43)) & 0x00007fff) | + (((unsigned int)(n >> 20)) & 0x00018000); +} + +static __inline unsigned int +get_BrType_X1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 31)) & 0xf); +} + +static __inline unsigned int +get_Dest_Imm8_X1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 31)) & 0x0000003f) | + (((unsigned int)(n >> 43)) & 0x000000c0); +} + +static __inline unsigned int +get_Dest_SN(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 2)) & 0x3); +} + +static __inline unsigned int +get_Dest_X0(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 0)) & 0x3f); +} + +static __inline unsigned int +get_Dest_X1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 31)) & 0x3f); +} + +static __inline unsigned int +get_Dest_Y0(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 0)) & 0x3f); +} + +static __inline unsigned int +get_Dest_Y1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 31)) & 0x3f); +} + +static __inline unsigned int +get_Imm16_X0(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 12)) & 0xffff); +} + +static __inline unsigned int +get_Imm16_X1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 43)) & 0xffff); +} + +static __inline unsigned int +get_Imm8_SN(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 0)) & 0xff); +} + +static __inline unsigned int +get_Imm8_X0(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 12)) & 0xff); +} + +static __inline unsigned int +get_Imm8_X1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 43)) & 0xff); +} + +static __inline unsigned int +get_Imm8_Y0(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 12)) & 0xff); +} + +static __inline unsigned int +get_Imm8_Y1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 43)) & 0xff); +} + +static __inline unsigned int +get_ImmOpcodeExtension_X0(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 20)) & 0x7f); +} + +static __inline unsigned int +get_ImmOpcodeExtension_X1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 51)) & 0x7f); +} + +static __inline unsigned int +get_ImmRROpcodeExtension_SN(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 8)) & 0x3); +} + +static __inline unsigned int +get_JOffLong_X1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 43)) & 0x00007fff) | + (((unsigned int)(n >> 20)) & 0x00018000) | + (((unsigned int)(n >> 14)) & 0x001e0000) | + (((unsigned int)(n >> 16)) & 0x07e00000) | + (((unsigned int)(n >> 31)) & 0x18000000); +} + +static __inline unsigned int +get_JOff_X1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 43)) & 0x00007fff) | + (((unsigned int)(n >> 20)) & 0x00018000) | + (((unsigned int)(n >> 14)) & 0x001e0000) | + (((unsigned int)(n >> 16)) & 0x07e00000) | + (((unsigned int)(n >> 31)) & 0x08000000); +} + +static __inline unsigned int +get_MF_Imm15_X1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 37)) & 0x00003fff) | + (((unsigned int)(n >> 44)) & 0x00004000); +} + +static __inline unsigned int +get_MMEnd_X0(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 18)) & 0x1f); +} + +static __inline unsigned int +get_MMEnd_X1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 49)) & 0x1f); +} + +static __inline unsigned int +get_MMStart_X0(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 23)) & 0x1f); +} + +static __inline unsigned int +get_MMStart_X1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 54)) & 0x1f); +} + +static __inline unsigned int +get_MT_Imm15_X1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 31)) & 0x0000003f) | + (((unsigned int)(n >> 37)) & 0x00003fc0) | + (((unsigned int)(n >> 44)) & 0x00004000); +} + +static __inline unsigned int +get_Mode(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 63)) & 0x1); +} + +static __inline unsigned int +get_NoRegOpcodeExtension_SN(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 0)) & 0xf); +} + +static __inline unsigned int +get_Opcode_SN(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 10)) & 0x3f); +} + +static __inline unsigned int +get_Opcode_X0(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 28)) & 0x7); +} + +static __inline unsigned int +get_Opcode_X1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 59)) & 0xf); +} + +static __inline unsigned int +get_Opcode_Y0(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 27)) & 0xf); +} + +static __inline unsigned int +get_Opcode_Y1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 59)) & 0xf); +} + +static __inline unsigned int +get_Opcode_Y2(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 56)) & 0x7); +} + +static __inline unsigned int +get_RROpcodeExtension_SN(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 4)) & 0xf); +} + +static __inline unsigned int +get_RRROpcodeExtension_X0(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 18)) & 0x1ff); +} + +static __inline unsigned int +get_RRROpcodeExtension_X1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 49)) & 0x1ff); +} + +static __inline unsigned int +get_RRROpcodeExtension_Y0(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 18)) & 0x3); +} + +static __inline unsigned int +get_RRROpcodeExtension_Y1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 49)) & 0x3); +} + +static __inline unsigned int +get_RouteOpcodeExtension_SN(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 0)) & 0x3ff); +} + +static __inline unsigned int +get_S_X0(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 27)) & 0x1); +} + +static __inline unsigned int +get_S_X1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 58)) & 0x1); +} + +static __inline unsigned int +get_ShAmt_X0(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 12)) & 0x1f); +} + +static __inline unsigned int +get_ShAmt_X1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 43)) & 0x1f); +} + +static __inline unsigned int +get_ShAmt_Y0(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 12)) & 0x1f); +} + +static __inline unsigned int +get_ShAmt_Y1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 43)) & 0x1f); +} + +static __inline unsigned int +get_SrcA_X0(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 6)) & 0x3f); +} + +static __inline unsigned int +get_SrcA_X1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 37)) & 0x3f); +} + +static __inline unsigned int +get_SrcA_Y0(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 6)) & 0x3f); +} + +static __inline unsigned int +get_SrcA_Y1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 37)) & 0x3f); +} + +static __inline unsigned int +get_SrcA_Y2(tile_bundle_bits n) +{ + return (((n >> 26)) & 0x00000001) | + (((unsigned int)(n >> 50)) & 0x0000003e); +} + +static __inline unsigned int +get_SrcBDest_Y2(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 20)) & 0x3f); +} + +static __inline unsigned int +get_SrcB_X0(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 12)) & 0x3f); +} + +static __inline unsigned int +get_SrcB_X1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 43)) & 0x3f); +} + +static __inline unsigned int +get_SrcB_Y0(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 12)) & 0x3f); +} + +static __inline unsigned int +get_SrcB_Y1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 43)) & 0x3f); +} + +static __inline unsigned int +get_Src_SN(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 0)) & 0x3); +} + +static __inline unsigned int +get_UnOpcodeExtension_X0(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 12)) & 0x1f); +} + +static __inline unsigned int +get_UnOpcodeExtension_X1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 43)) & 0x1f); +} + +static __inline unsigned int +get_UnOpcodeExtension_Y0(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 12)) & 0x1f); +} + +static __inline unsigned int +get_UnOpcodeExtension_Y1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 43)) & 0x1f); +} + +static __inline unsigned int +get_UnShOpcodeExtension_X0(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 17)) & 0x3ff); +} + +static __inline unsigned int +get_UnShOpcodeExtension_X1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 48)) & 0x3ff); +} + +static __inline unsigned int +get_UnShOpcodeExtension_Y0(tile_bundle_bits num) +{ + const unsigned int n = (unsigned int)num; + return (((n >> 17)) & 0x7); +} + +static __inline unsigned int +get_UnShOpcodeExtension_Y1(tile_bundle_bits n) +{ + return (((unsigned int)(n >> 48)) & 0x7); +} + + +static __inline int +sign_extend(int n, int num_bits) +{ + int shift = (int)(sizeof(int) * 8 - num_bits); + return (n << shift) >> shift; +} + + + +static __inline tile_bundle_bits +create_BrOff_SN(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x3ff) << 0); +} + +static __inline tile_bundle_bits +create_BrOff_X1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x00007fff)) << 43) | + (((tile_bundle_bits)(n & 0x00018000)) << 20); +} + +static __inline tile_bundle_bits +create_BrType_X1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0xf)) << 31); +} + +static __inline tile_bundle_bits +create_Dest_Imm8_X1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x0000003f)) << 31) | + (((tile_bundle_bits)(n & 0x000000c0)) << 43); +} + +static __inline tile_bundle_bits +create_Dest_SN(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x3) << 2); +} + +static __inline tile_bundle_bits +create_Dest_X0(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x3f) << 0); +} + +static __inline tile_bundle_bits +create_Dest_X1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x3f)) << 31); +} + +static __inline tile_bundle_bits +create_Dest_Y0(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x3f) << 0); +} + +static __inline tile_bundle_bits +create_Dest_Y1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x3f)) << 31); +} + +static __inline tile_bundle_bits +create_Imm16_X0(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0xffff) << 12); +} + +static __inline tile_bundle_bits +create_Imm16_X1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0xffff)) << 43); +} + +static __inline tile_bundle_bits +create_Imm8_SN(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0xff) << 0); +} + +static __inline tile_bundle_bits +create_Imm8_X0(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0xff) << 12); +} + +static __inline tile_bundle_bits +create_Imm8_X1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0xff)) << 43); +} + +static __inline tile_bundle_bits +create_Imm8_Y0(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0xff) << 12); +} + +static __inline tile_bundle_bits +create_Imm8_Y1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0xff)) << 43); +} + +static __inline tile_bundle_bits +create_ImmOpcodeExtension_X0(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x7f) << 20); +} + +static __inline tile_bundle_bits +create_ImmOpcodeExtension_X1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x7f)) << 51); +} + +static __inline tile_bundle_bits +create_ImmRROpcodeExtension_SN(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x3) << 8); +} + +static __inline tile_bundle_bits +create_JOffLong_X1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x00007fff)) << 43) | + (((tile_bundle_bits)(n & 0x00018000)) << 20) | + (((tile_bundle_bits)(n & 0x001e0000)) << 14) | + (((tile_bundle_bits)(n & 0x07e00000)) << 16) | + (((tile_bundle_bits)(n & 0x18000000)) << 31); +} + +static __inline tile_bundle_bits +create_JOff_X1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x00007fff)) << 43) | + (((tile_bundle_bits)(n & 0x00018000)) << 20) | + (((tile_bundle_bits)(n & 0x001e0000)) << 14) | + (((tile_bundle_bits)(n & 0x07e00000)) << 16) | + (((tile_bundle_bits)(n & 0x08000000)) << 31); +} + +static __inline tile_bundle_bits +create_MF_Imm15_X1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x00003fff)) << 37) | + (((tile_bundle_bits)(n & 0x00004000)) << 44); +} + +static __inline tile_bundle_bits +create_MMEnd_X0(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x1f) << 18); +} + +static __inline tile_bundle_bits +create_MMEnd_X1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x1f)) << 49); +} + +static __inline tile_bundle_bits +create_MMStart_X0(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x1f) << 23); +} + +static __inline tile_bundle_bits +create_MMStart_X1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x1f)) << 54); +} + +static __inline tile_bundle_bits +create_MT_Imm15_X1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x0000003f)) << 31) | + (((tile_bundle_bits)(n & 0x00003fc0)) << 37) | + (((tile_bundle_bits)(n & 0x00004000)) << 44); +} + +static __inline tile_bundle_bits +create_Mode(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x1)) << 63); +} + +static __inline tile_bundle_bits +create_NoRegOpcodeExtension_SN(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0xf) << 0); +} + +static __inline tile_bundle_bits +create_Opcode_SN(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x3f) << 10); +} + +static __inline tile_bundle_bits +create_Opcode_X0(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x7) << 28); +} + +static __inline tile_bundle_bits +create_Opcode_X1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0xf)) << 59); +} + +static __inline tile_bundle_bits +create_Opcode_Y0(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0xf) << 27); +} + +static __inline tile_bundle_bits +create_Opcode_Y1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0xf)) << 59); +} + +static __inline tile_bundle_bits +create_Opcode_Y2(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x7)) << 56); +} + +static __inline tile_bundle_bits +create_RROpcodeExtension_SN(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0xf) << 4); +} + +static __inline tile_bundle_bits +create_RRROpcodeExtension_X0(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x1ff) << 18); +} + +static __inline tile_bundle_bits +create_RRROpcodeExtension_X1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x1ff)) << 49); +} + +static __inline tile_bundle_bits +create_RRROpcodeExtension_Y0(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x3) << 18); +} + +static __inline tile_bundle_bits +create_RRROpcodeExtension_Y1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x3)) << 49); +} + +static __inline tile_bundle_bits +create_RouteOpcodeExtension_SN(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x3ff) << 0); +} + +static __inline tile_bundle_bits +create_S_X0(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x1) << 27); +} + +static __inline tile_bundle_bits +create_S_X1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x1)) << 58); +} + +static __inline tile_bundle_bits +create_ShAmt_X0(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x1f) << 12); +} + +static __inline tile_bundle_bits +create_ShAmt_X1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x1f)) << 43); +} + +static __inline tile_bundle_bits +create_ShAmt_Y0(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x1f) << 12); +} + +static __inline tile_bundle_bits +create_ShAmt_Y1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x1f)) << 43); +} + +static __inline tile_bundle_bits +create_SrcA_X0(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x3f) << 6); +} + +static __inline tile_bundle_bits +create_SrcA_X1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x3f)) << 37); +} + +static __inline tile_bundle_bits +create_SrcA_Y0(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x3f) << 6); +} + +static __inline tile_bundle_bits +create_SrcA_Y1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x3f)) << 37); +} + +static __inline tile_bundle_bits +create_SrcA_Y2(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x00000001) << 26) | + (((tile_bundle_bits)(n & 0x0000003e)) << 50); +} + +static __inline tile_bundle_bits +create_SrcBDest_Y2(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x3f) << 20); +} + +static __inline tile_bundle_bits +create_SrcB_X0(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x3f) << 12); +} + +static __inline tile_bundle_bits +create_SrcB_X1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x3f)) << 43); +} + +static __inline tile_bundle_bits +create_SrcB_Y0(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x3f) << 12); +} + +static __inline tile_bundle_bits +create_SrcB_Y1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x3f)) << 43); +} + +static __inline tile_bundle_bits +create_Src_SN(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x3) << 0); +} + +static __inline tile_bundle_bits +create_UnOpcodeExtension_X0(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x1f) << 12); +} + +static __inline tile_bundle_bits +create_UnOpcodeExtension_X1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x1f)) << 43); +} + +static __inline tile_bundle_bits +create_UnOpcodeExtension_Y0(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x1f) << 12); +} + +static __inline tile_bundle_bits +create_UnOpcodeExtension_Y1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x1f)) << 43); +} + +static __inline tile_bundle_bits +create_UnShOpcodeExtension_X0(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x3ff) << 17); +} + +static __inline tile_bundle_bits +create_UnShOpcodeExtension_X1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x3ff)) << 48); +} + +static __inline tile_bundle_bits +create_UnShOpcodeExtension_Y0(int num) +{ + const unsigned int n = (unsigned int)num; + return ((n & 0x7) << 17); +} + +static __inline tile_bundle_bits +create_UnShOpcodeExtension_Y1(int num) +{ + const unsigned int n = (unsigned int)num; + return (((tile_bundle_bits)(n & 0x7)) << 48); +} + + +typedef unsigned short tile_sn_instruction_bits; + + +typedef enum +{ + TILE_PIPELINE_X0, + TILE_PIPELINE_X1, + TILE_PIPELINE_Y0, + TILE_PIPELINE_Y1, + TILE_PIPELINE_Y2, +} tile_pipeline; + +#define tile_is_x_pipeline(p) ((int)(p) <= (int)TILE_PIPELINE_X1) + +typedef enum +{ + TILE_OP_TYPE_REGISTER, + TILE_OP_TYPE_IMMEDIATE, + TILE_OP_TYPE_ADDRESS, + TILE_OP_TYPE_SPR +} tile_operand_type; + +/* This is the bit that determines if a bundle is in the Y encoding. */ +#define TILE_BUNDLE_Y_ENCODING_MASK ((tile_bundle_bits)1 << 63) + +enum +{ + /* Maximum number of instructions in a bundle (2 for X, 3 for Y). */ + TILE_MAX_INSTRUCTIONS_PER_BUNDLE = 3, + + /* How many different pipeline encodings are there? X0, X1, Y0, Y1, Y2. */ + TILE_NUM_PIPELINE_ENCODINGS = 5, + + /* Log base 2 of TILE_BUNDLE_SIZE_IN_BYTES. */ + TILE_LOG2_BUNDLE_SIZE_IN_BYTES = 3, + + /* Instructions take this many bytes. */ + TILE_BUNDLE_SIZE_IN_BYTES = 1 << TILE_LOG2_BUNDLE_SIZE_IN_BYTES, + + /* Log base 2 of TILE_BUNDLE_ALIGNMENT_IN_BYTES. */ + TILE_LOG2_BUNDLE_ALIGNMENT_IN_BYTES = 3, + + /* Bundles should be aligned modulo this number of bytes. */ + TILE_BUNDLE_ALIGNMENT_IN_BYTES = + (1 << TILE_LOG2_BUNDLE_ALIGNMENT_IN_BYTES), + + /* Log base 2 of TILE_SN_INSTRUCTION_SIZE_IN_BYTES. */ + TILE_LOG2_SN_INSTRUCTION_SIZE_IN_BYTES = 1, + + /* Static network instructions take this many bytes. */ + TILE_SN_INSTRUCTION_SIZE_IN_BYTES = + (1 << TILE_LOG2_SN_INSTRUCTION_SIZE_IN_BYTES), + + /* Number of registers (some are magic, such as network I/O). */ + TILE_NUM_REGISTERS = 64, + + /* Number of static network registers. */ + TILE_NUM_SN_REGISTERS = 4 +}; + + +struct tile_operand +{ + /* Is this operand a register, immediate or address? */ + tile_operand_type type; + + /* The default relocation type for this operand. */ + signed int default_reloc : 16; + + /* How many bits is this value? (used for range checking) */ + unsigned int num_bits : 5; + + /* Is the value signed? (used for range checking) */ + unsigned int is_signed : 1; + + /* Is this operand a source register? */ + unsigned int is_src_reg : 1; + + /* Is this operand written? (i.e. is it a destination register) */ + unsigned int is_dest_reg : 1; + + /* Is this operand PC-relative? */ + unsigned int is_pc_relative : 1; + + /* By how many bits do we right shift the value before inserting? */ + unsigned int rightshift : 2; + + /* Return the bits for this operand to be ORed into an existing bundle. */ + tile_bundle_bits (*insert) (int op); + + /* Extract this operand and return it. */ + unsigned int (*extract) (tile_bundle_bits bundle); +}; + + +extern const struct tile_operand tile_operands[]; + +/* One finite-state machine per pipe for rapid instruction decoding. */ +extern const unsigned short * const +tile_bundle_decoder_fsms[TILE_NUM_PIPELINE_ENCODINGS]; + + +struct tile_opcode +{ + /* The opcode mnemonic, e.g. "add" */ + const char *name; + + /* The enum value for this mnemonic. */ + tile_mnemonic mnemonic; + + /* A bit mask of which of the five pipes this instruction + is compatible with: + X0 0x01 + X1 0x02 + Y0 0x04 + Y1 0x08 + Y2 0x10 */ + unsigned char pipes; + + /* How many operands are there? */ + unsigned char num_operands; + + /* Which register does this write implicitly, or TREG_ZERO if none? */ + unsigned char implicitly_written_register; + + /* Can this be bundled with other instructions (almost always true). */ + unsigned char can_bundle; + + /* The description of the operands. Each of these is an + * index into the tile_operands[] table. */ + unsigned char operands[TILE_NUM_PIPELINE_ENCODINGS][TILE_MAX_OPERANDS]; + + /* A mask of which bits have predefined values for each pipeline. + * This is useful for disassembly. */ + tile_bundle_bits fixed_bit_masks[TILE_NUM_PIPELINE_ENCODINGS]; + + /* For each bit set in fixed_bit_masks, what the value is for this + * instruction. */ + tile_bundle_bits fixed_bit_values[TILE_NUM_PIPELINE_ENCODINGS]; +}; + +extern const struct tile_opcode tile_opcodes[]; + +struct tile_sn_opcode +{ + /* The opcode mnemonic, e.g. "add" */ + const char *name; + + /* The enum value for this mnemonic. */ + tile_sn_mnemonic mnemonic; + + /* How many operands are there? */ + unsigned char num_operands; + + /* The description of the operands. Each of these is an + * index into the tile_operands[] table. */ + unsigned char operands[TILE_SN_MAX_OPERANDS]; + + /* A mask of which bits have predefined values. + * This is useful for disassembly. */ + tile_sn_instruction_bits fixed_bit_mask; + + /* For each bit set in fixed_bit_masks, what its value is. */ + tile_sn_instruction_bits fixed_bit_values; +}; + +extern const struct tile_sn_opcode tile_sn_opcodes[]; + +/* Used for non-textual disassembly into structs. */ +struct tile_decoded_instruction +{ + const struct tile_opcode *opcode; + const struct tile_operand *operands[TILE_MAX_OPERANDS]; + int operand_values[TILE_MAX_OPERANDS]; +}; + + +/* Disassemble a bundle into a struct for machine processing. */ +extern int parse_insn_tile(tile_bundle_bits bits, + unsigned int pc, + struct tile_decoded_instruction + decoded[TILE_MAX_INSTRUCTIONS_PER_BUNDLE]); + + +/* Canonical names of all the registers. */ +/* ISSUE: This table lives in "tile-dis.c" */ +extern const char * const tile_register_names[]; + +/* Descriptor for a special-purpose register. */ +struct tile_spr +{ + /* The number */ + int number; + + /* The name */ + const char *name; +}; + +/* List of all the SPRs; ordered by increasing number. */ +extern const struct tile_spr tile_sprs[]; + +/* Number of special-purpose registers. */ +extern const int tile_num_sprs; + +extern const char * +get_tile_spr_name (int num); + +#endif /* opcode_tile_h */ diff --git a/arch/tile/include/asm/opcode_constants.h b/arch/tile/include/asm/opcode_constants.h new file mode 100644 index 0000000..37a9f29 --- /dev/null +++ b/arch/tile/include/asm/opcode_constants.h @@ -0,0 +1,26 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_OPCODE_CONSTANTS_H +#define _ASM_TILE_OPCODE_CONSTANTS_H + +#include <arch/chip.h> + +#if CHIP_WORD_SIZE() == 64 +#include <asm/opcode_constants_64.h> +#else +#include <asm/opcode_constants_32.h> +#endif + +#endif /* _ASM_TILE_OPCODE_CONSTANTS_H */ diff --git a/arch/tile/include/asm/opcode_constants_32.h b/arch/tile/include/asm/opcode_constants_32.h new file mode 100644 index 0000000..227d033 --- /dev/null +++ b/arch/tile/include/asm/opcode_constants_32.h @@ -0,0 +1,480 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +/* This file is machine-generated; DO NOT EDIT! */ + + +#ifndef _TILE_OPCODE_CONSTANTS_H +#define _TILE_OPCODE_CONSTANTS_H +enum +{ + ADDBS_U_SPECIAL_0_OPCODE_X0 = 98, + ADDBS_U_SPECIAL_0_OPCODE_X1 = 68, + ADDB_SPECIAL_0_OPCODE_X0 = 1, + ADDB_SPECIAL_0_OPCODE_X1 = 1, + ADDHS_SPECIAL_0_OPCODE_X0 = 99, + ADDHS_SPECIAL_0_OPCODE_X1 = 69, + ADDH_SPECIAL_0_OPCODE_X0 = 2, + ADDH_SPECIAL_0_OPCODE_X1 = 2, + ADDIB_IMM_0_OPCODE_X0 = 1, + ADDIB_IMM_0_OPCODE_X1 = 1, + ADDIH_IMM_0_OPCODE_X0 = 2, + ADDIH_IMM_0_OPCODE_X1 = 2, + ADDI_IMM_0_OPCODE_X0 = 3, + ADDI_IMM_0_OPCODE_X1 = 3, + ADDI_IMM_1_OPCODE_SN = 1, + ADDI_OPCODE_Y0 = 9, + ADDI_OPCODE_Y1 = 7, + ADDLIS_OPCODE_X0 = 1, + ADDLIS_OPCODE_X1 = 2, + ADDLI_OPCODE_X0 = 2, + ADDLI_OPCODE_X1 = 3, + ADDS_SPECIAL_0_OPCODE_X0 = 96, + ADDS_SPECIAL_0_OPCODE_X1 = 66, + ADD_SPECIAL_0_OPCODE_X0 = 3, + ADD_SPECIAL_0_OPCODE_X1 = 3, + ADD_SPECIAL_0_OPCODE_Y0 = 0, + ADD_SPECIAL_0_OPCODE_Y1 = 0, + ADIFFB_U_SPECIAL_0_OPCODE_X0 = 4, + ADIFFH_SPECIAL_0_OPCODE_X0 = 5, + ANDI_IMM_0_OPCODE_X0 = 1, + ANDI_IMM_0_OPCODE_X1 = 4, + ANDI_OPCODE_Y0 = 10, + ANDI_OPCODE_Y1 = 8, + AND_SPECIAL_0_OPCODE_X0 = 6, + AND_SPECIAL_0_OPCODE_X1 = 4, + AND_SPECIAL_2_OPCODE_Y0 = 0, + AND_SPECIAL_2_OPCODE_Y1 = 0, + AULI_OPCODE_X0 = 3, + AULI_OPCODE_X1 = 4, + AVGB_U_SPECIAL_0_OPCODE_X0 = 7, + AVGH_SPECIAL_0_OPCODE_X0 = 8, + BBNST_BRANCH_OPCODE_X1 = 15, + BBNS_BRANCH_OPCODE_X1 = 14, + BBNS_OPCODE_SN = 63, + BBST_BRANCH_OPCODE_X1 = 13, + BBS_BRANCH_OPCODE_X1 = 12, + BBS_OPCODE_SN = 62, + BGEZT_BRANCH_OPCODE_X1 = 7, + BGEZ_BRANCH_OPCODE_X1 = 6, + BGEZ_OPCODE_SN = 61, + BGZT_BRANCH_OPCODE_X1 = 5, + BGZ_BRANCH_OPCODE_X1 = 4, + BGZ_OPCODE_SN = 58, + BITX_UN_0_SHUN_0_OPCODE_X0 = 1, + BITX_UN_0_SHUN_0_OPCODE_Y0 = 1, + BLEZT_BRANCH_OPCODE_X1 = 11, + BLEZ_BRANCH_OPCODE_X1 = 10, + BLEZ_OPCODE_SN = 59, + BLZT_BRANCH_OPCODE_X1 = 9, + BLZ_BRANCH_OPCODE_X1 = 8, + BLZ_OPCODE_SN = 60, + BNZT_BRANCH_OPCODE_X1 = 3, + BNZ_BRANCH_OPCODE_X1 = 2, + BNZ_OPCODE_SN = 57, + BPT_NOREG_RR_IMM_0_OPCODE_SN = 1, + BRANCH_OPCODE_X1 = 5, + BYTEX_UN_0_SHUN_0_OPCODE_X0 = 2, + BYTEX_UN_0_SHUN_0_OPCODE_Y0 = 2, + BZT_BRANCH_OPCODE_X1 = 1, + BZ_BRANCH_OPCODE_X1 = 0, + BZ_OPCODE_SN = 56, + CLZ_UN_0_SHUN_0_OPCODE_X0 = 3, + CLZ_UN_0_SHUN_0_OPCODE_Y0 = 3, + CRC32_32_SPECIAL_0_OPCODE_X0 = 9, + CRC32_8_SPECIAL_0_OPCODE_X0 = 10, + CTZ_UN_0_SHUN_0_OPCODE_X0 = 4, + CTZ_UN_0_SHUN_0_OPCODE_Y0 = 4, + DRAIN_UN_0_SHUN_0_OPCODE_X1 = 1, + DTLBPR_UN_0_SHUN_0_OPCODE_X1 = 2, + DWORD_ALIGN_SPECIAL_0_OPCODE_X0 = 95, + FINV_UN_0_SHUN_0_OPCODE_X1 = 3, + FLUSH_UN_0_SHUN_0_OPCODE_X1 = 4, + FNOP_NOREG_RR_IMM_0_OPCODE_SN = 3, + FNOP_UN_0_SHUN_0_OPCODE_X0 = 5, + FNOP_UN_0_SHUN_0_OPCODE_X1 = 5, + FNOP_UN_0_SHUN_0_OPCODE_Y0 = 5, + FNOP_UN_0_SHUN_0_OPCODE_Y1 = 1, + HALT_NOREG_RR_IMM_0_OPCODE_SN = 0, + ICOH_UN_0_SHUN_0_OPCODE_X1 = 6, + ILL_UN_0_SHUN_0_OPCODE_X1 = 7, + ILL_UN_0_SHUN_0_OPCODE_Y1 = 2, + IMM_0_OPCODE_SN = 0, + IMM_0_OPCODE_X0 = 4, + IMM_0_OPCODE_X1 = 6, + IMM_1_OPCODE_SN = 1, + IMM_OPCODE_0_X0 = 5, + INTHB_SPECIAL_0_OPCODE_X0 = 11, + INTHB_SPECIAL_0_OPCODE_X1 = 5, + INTHH_SPECIAL_0_OPCODE_X0 = 12, + INTHH_SPECIAL_0_OPCODE_X1 = 6, + INTLB_SPECIAL_0_OPCODE_X0 = 13, + INTLB_SPECIAL_0_OPCODE_X1 = 7, + INTLH_SPECIAL_0_OPCODE_X0 = 14, + INTLH_SPECIAL_0_OPCODE_X1 = 8, + INV_UN_0_SHUN_0_OPCODE_X1 = 8, + IRET_UN_0_SHUN_0_OPCODE_X1 = 9, + JALB_OPCODE_X1 = 13, + JALF_OPCODE_X1 = 12, + JALRP_SPECIAL_0_OPCODE_X1 = 9, + JALRR_IMM_1_OPCODE_SN = 3, + JALR_RR_IMM_0_OPCODE_SN = 5, + JALR_SPECIAL_0_OPCODE_X1 = 10, + JB_OPCODE_X1 = 11, + JF_OPCODE_X1 = 10, + JRP_SPECIAL_0_OPCODE_X1 = 11, + JRR_IMM_1_OPCODE_SN = 2, + JR_RR_IMM_0_OPCODE_SN = 4, + JR_SPECIAL_0_OPCODE_X1 = 12, + LBADD_IMM_0_OPCODE_X1 = 22, + LBADD_U_IMM_0_OPCODE_X1 = 23, + LB_OPCODE_Y2 = 0, + LB_UN_0_SHUN_0_OPCODE_X1 = 10, + LB_U_OPCODE_Y2 = 1, + LB_U_UN_0_SHUN_0_OPCODE_X1 = 11, + LHADD_IMM_0_OPCODE_X1 = 24, + LHADD_U_IMM_0_OPCODE_X1 = 25, + LH_OPCODE_Y2 = 2, + LH_UN_0_SHUN_0_OPCODE_X1 = 12, + LH_U_OPCODE_Y2 = 3, + LH_U_UN_0_SHUN_0_OPCODE_X1 = 13, + LNK_SPECIAL_0_OPCODE_X1 = 13, + LWADD_IMM_0_OPCODE_X1 = 26, + LWADD_NA_IMM_0_OPCODE_X1 = 27, + LW_NA_UN_0_SHUN_0_OPCODE_X1 = 24, + LW_OPCODE_Y2 = 4, + LW_UN_0_SHUN_0_OPCODE_X1 = 14, + MAXB_U_SPECIAL_0_OPCODE_X0 = 15, + MAXB_U_SPECIAL_0_OPCODE_X1 = 14, + MAXH_SPECIAL_0_OPCODE_X0 = 16, + MAXH_SPECIAL_0_OPCODE_X1 = 15, + MAXIB_U_IMM_0_OPCODE_X0 = 4, + MAXIB_U_IMM_0_OPCODE_X1 = 5, + MAXIH_IMM_0_OPCODE_X0 = 5, + MAXIH_IMM_0_OPCODE_X1 = 6, + MFSPR_IMM_0_OPCODE_X1 = 7, + MF_UN_0_SHUN_0_OPCODE_X1 = 15, + MINB_U_SPECIAL_0_OPCODE_X0 = 17, + MINB_U_SPECIAL_0_OPCODE_X1 = 16, + MINH_SPECIAL_0_OPCODE_X0 = 18, + MINH_SPECIAL_0_OPCODE_X1 = 17, + MINIB_U_IMM_0_OPCODE_X0 = 6, + MINIB_U_IMM_0_OPCODE_X1 = 8, + MINIH_IMM_0_OPCODE_X0 = 7, + MINIH_IMM_0_OPCODE_X1 = 9, + MM_OPCODE_X0 = 6, + MM_OPCODE_X1 = 7, + MNZB_SPECIAL_0_OPCODE_X0 = 19, + MNZB_SPECIAL_0_OPCODE_X1 = 18, + MNZH_SPECIAL_0_OPCODE_X0 = 20, + MNZH_SPECIAL_0_OPCODE_X1 = 19, + MNZ_SPECIAL_0_OPCODE_X0 = 21, + MNZ_SPECIAL_0_OPCODE_X1 = 20, + MNZ_SPECIAL_1_OPCODE_Y0 = 0, + MNZ_SPECIAL_1_OPCODE_Y1 = 1, + MOVEI_IMM_1_OPCODE_SN = 0, + MOVE_RR_IMM_0_OPCODE_SN = 8, + MTSPR_IMM_0_OPCODE_X1 = 10, + MULHHA_SS_SPECIAL_0_OPCODE_X0 = 22, + MULHHA_SS_SPECIAL_7_OPCODE_Y0 = 0, + MULHHA_SU_SPECIAL_0_OPCODE_X0 = 23, + MULHHA_UU_SPECIAL_0_OPCODE_X0 = 24, + MULHHA_UU_SPECIAL_7_OPCODE_Y0 = 1, + MULHHSA_UU_SPECIAL_0_OPCODE_X0 = 25, + MULHH_SS_SPECIAL_0_OPCODE_X0 = 26, + MULHH_SS_SPECIAL_6_OPCODE_Y0 = 0, + MULHH_SU_SPECIAL_0_OPCODE_X0 = 27, + MULHH_UU_SPECIAL_0_OPCODE_X0 = 28, + MULHH_UU_SPECIAL_6_OPCODE_Y0 = 1, + MULHLA_SS_SPECIAL_0_OPCODE_X0 = 29, + MULHLA_SU_SPECIAL_0_OPCODE_X0 = 30, + MULHLA_US_SPECIAL_0_OPCODE_X0 = 31, + MULHLA_UU_SPECIAL_0_OPCODE_X0 = 32, + MULHLSA_UU_SPECIAL_0_OPCODE_X0 = 33, + MULHLSA_UU_SPECIAL_5_OPCODE_Y0 = 0, + MULHL_SS_SPECIAL_0_OPCODE_X0 = 34, + MULHL_SU_SPECIAL_0_OPCODE_X0 = 35, + MULHL_US_SPECIAL_0_OPCODE_X0 = 36, + MULHL_UU_SPECIAL_0_OPCODE_X0 = 37, + MULLLA_SS_SPECIAL_0_OPCODE_X0 = 38, + MULLLA_SS_SPECIAL_7_OPCODE_Y0 = 2, + MULLLA_SU_SPECIAL_0_OPCODE_X0 = 39, + MULLLA_UU_SPECIAL_0_OPCODE_X0 = 40, + MULLLA_UU_SPECIAL_7_OPCODE_Y0 = 3, + MULLLSA_UU_SPECIAL_0_OPCODE_X0 = 41, + MULLL_SS_SPECIAL_0_OPCODE_X0 = 42, + MULLL_SS_SPECIAL_6_OPCODE_Y0 = 2, + MULLL_SU_SPECIAL_0_OPCODE_X0 = 43, + MULLL_UU_SPECIAL_0_OPCODE_X0 = 44, + MULLL_UU_SPECIAL_6_OPCODE_Y0 = 3, + MVNZ_SPECIAL_0_OPCODE_X0 = 45, + MVNZ_SPECIAL_1_OPCODE_Y0 = 1, + MVZ_SPECIAL_0_OPCODE_X0 = 46, + MVZ_SPECIAL_1_OPCODE_Y0 = 2, + MZB_SPECIAL_0_OPCODE_X0 = 47, + MZB_SPECIAL_0_OPCODE_X1 = 21, + MZH_SPECIAL_0_OPCODE_X0 = 48, + MZH_SPECIAL_0_OPCODE_X1 = 22, + MZ_SPECIAL_0_OPCODE_X0 = 49, + MZ_SPECIAL_0_OPCODE_X1 = 23, + MZ_SPECIAL_1_OPCODE_Y0 = 3, + MZ_SPECIAL_1_OPCODE_Y1 = 2, + NAP_UN_0_SHUN_0_OPCODE_X1 = 16, + NOP_NOREG_RR_IMM_0_OPCODE_SN = 2, + NOP_UN_0_SHUN_0_OPCODE_X0 = 6, + NOP_UN_0_SHUN_0_OPCODE_X1 = 17, + NOP_UN_0_SHUN_0_OPCODE_Y0 = 6, + NOP_UN_0_SHUN_0_OPCODE_Y1 = 3, + NOREG_RR_IMM_0_OPCODE_SN = 0, + NOR_SPECIAL_0_OPCODE_X0 = 50, + NOR_SPECIAL_0_OPCODE_X1 = 24, + NOR_SPECIAL_2_OPCODE_Y0 = 1, + NOR_SPECIAL_2_OPCODE_Y1 = 1, + ORI_IMM_0_OPCODE_X0 = 8, + ORI_IMM_0_OPCODE_X1 = 11, + ORI_OPCODE_Y0 = 11, + ORI_OPCODE_Y1 = 9, + OR_SPECIAL_0_OPCODE_X0 = 51, + OR_SPECIAL_0_OPCODE_X1 = 25, + OR_SPECIAL_2_OPCODE_Y0 = 2, + OR_SPECIAL_2_OPCODE_Y1 = 2, + PACKBS_U_SPECIAL_0_OPCODE_X0 = 103, + PACKBS_U_SPECIAL_0_OPCODE_X1 = 73, + PACKHB_SPECIAL_0_OPCODE_X0 = 52, + PACKHB_SPECIAL_0_OPCODE_X1 = 26, + PACKHS_SPECIAL_0_OPCODE_X0 = 102, + PACKHS_SPECIAL_0_OPCODE_X1 = 72, + PACKLB_SPECIAL_0_OPCODE_X0 = 53, + PACKLB_SPECIAL_0_OPCODE_X1 = 27, + PCNT_UN_0_SHUN_0_OPCODE_X0 = 7, + PCNT_UN_0_SHUN_0_OPCODE_Y0 = 7, + RLI_SHUN_0_OPCODE_X0 = 1, + RLI_SHUN_0_OPCODE_X1 = 1, + RLI_SHUN_0_OPCODE_Y0 = 1, + RLI_SHUN_0_OPCODE_Y1 = 1, + RL_SPECIAL_0_OPCODE_X0 = 54, + RL_SPECIAL_0_OPCODE_X1 = 28, + RL_SPECIAL_3_OPCODE_Y0 = 0, + RL_SPECIAL_3_OPCODE_Y1 = 0, + RR_IMM_0_OPCODE_SN = 0, + S1A_SPECIAL_0_OPCODE_X0 = 55, + S1A_SPECIAL_0_OPCODE_X1 = 29, + S1A_SPECIAL_0_OPCODE_Y0 = 1, + S1A_SPECIAL_0_OPCODE_Y1 = 1, + S2A_SPECIAL_0_OPCODE_X0 = 56, + S2A_SPECIAL_0_OPCODE_X1 = 30, + S2A_SPECIAL_0_OPCODE_Y0 = 2, + S2A_SPECIAL_0_OPCODE_Y1 = 2, + S3A_SPECIAL_0_OPCODE_X0 = 57, + S3A_SPECIAL_0_OPCODE_X1 = 31, + S3A_SPECIAL_5_OPCODE_Y0 = 1, + S3A_SPECIAL_5_OPCODE_Y1 = 1, + SADAB_U_SPECIAL_0_OPCODE_X0 = 58, + SADAH_SPECIAL_0_OPCODE_X0 = 59, + SADAH_U_SPECIAL_0_OPCODE_X0 = 60, + SADB_U_SPECIAL_0_OPCODE_X0 = 61, + SADH_SPECIAL_0_OPCODE_X0 = 62, + SADH_U_SPECIAL_0_OPCODE_X0 = 63, + SBADD_IMM_0_OPCODE_X1 = 28, + SB_OPCODE_Y2 = 5, + SB_SPECIAL_0_OPCODE_X1 = 32, + SEQB_SPECIAL_0_OPCODE_X0 = 64, + SEQB_SPECIAL_0_OPCODE_X1 = 33, + SEQH_SPECIAL_0_OPCODE_X0 = 65, + SEQH_SPECIAL_0_OPCODE_X1 = 34, + SEQIB_IMM_0_OPCODE_X0 = 9, + SEQIB_IMM_0_OPCODE_X1 = 12, + SEQIH_IMM_0_OPCODE_X0 = 10, + SEQIH_IMM_0_OPCODE_X1 = 13, + SEQI_IMM_0_OPCODE_X0 = 11, + SEQI_IMM_0_OPCODE_X1 = 14, + SEQI_OPCODE_Y0 = 12, + SEQI_OPCODE_Y1 = 10, + SEQ_SPECIAL_0_OPCODE_X0 = 66, + SEQ_SPECIAL_0_OPCODE_X1 = 35, + SEQ_SPECIAL_5_OPCODE_Y0 = 2, + SEQ_SPECIAL_5_OPCODE_Y1 = 2, + SHADD_IMM_0_OPCODE_X1 = 29, + SHL8II_IMM_0_OPCODE_SN = 3, + SHLB_SPECIAL_0_OPCODE_X0 = 67, + SHLB_SPECIAL_0_OPCODE_X1 = 36, + SHLH_SPECIAL_0_OPCODE_X0 = 68, + SHLH_SPECIAL_0_OPCODE_X1 = 37, + SHLIB_SHUN_0_OPCODE_X0 = 2, + SHLIB_SHUN_0_OPCODE_X1 = 2, + SHLIH_SHUN_0_OPCODE_X0 = 3, + SHLIH_SHUN_0_OPCODE_X1 = 3, + SHLI_SHUN_0_OPCODE_X0 = 4, + SHLI_SHUN_0_OPCODE_X1 = 4, + SHLI_SHUN_0_OPCODE_Y0 = 2, + SHLI_SHUN_0_OPCODE_Y1 = 2, + SHL_SPECIAL_0_OPCODE_X0 = 69, + SHL_SPECIAL_0_OPCODE_X1 = 38, + SHL_SPECIAL_3_OPCODE_Y0 = 1, + SHL_SPECIAL_3_OPCODE_Y1 = 1, + SHR1_RR_IMM_0_OPCODE_SN = 9, + SHRB_SPECIAL_0_OPCODE_X0 = 70, + SHRB_SPECIAL_0_OPCODE_X1 = 39, + SHRH_SPECIAL_0_OPCODE_X0 = 71, + SHRH_SPECIAL_0_OPCODE_X1 = 40, + SHRIB_SHUN_0_OPCODE_X0 = 5, + SHRIB_SHUN_0_OPCODE_X1 = 5, + SHRIH_SHUN_0_OPCODE_X0 = 6, + SHRIH_SHUN_0_OPCODE_X1 = 6, + SHRI_SHUN_0_OPCODE_X0 = 7, + SHRI_SHUN_0_OPCODE_X1 = 7, + SHRI_SHUN_0_OPCODE_Y0 = 3, + SHRI_SHUN_0_OPCODE_Y1 = 3, + SHR_SPECIAL_0_OPCODE_X0 = 72, + SHR_SPECIAL_0_OPCODE_X1 = 41, + SHR_SPECIAL_3_OPCODE_Y0 = 2, + SHR_SPECIAL_3_OPCODE_Y1 = 2, + SHUN_0_OPCODE_X0 = 7, + SHUN_0_OPCODE_X1 = 8, + SHUN_0_OPCODE_Y0 = 13, + SHUN_0_OPCODE_Y1 = 11, + SH_OPCODE_Y2 = 6, + SH_SPECIAL_0_OPCODE_X1 = 42, + SLTB_SPECIAL_0_OPCODE_X0 = 73, + SLTB_SPECIAL_0_OPCODE_X1 = 43, + SLTB_U_SPECIAL_0_OPCODE_X0 = 74, + SLTB_U_SPECIAL_0_OPCODE_X1 = 44, + SLTEB_SPECIAL_0_OPCODE_X0 = 75, + SLTEB_SPECIAL_0_OPCODE_X1 = 45, + SLTEB_U_SPECIAL_0_OPCODE_X0 = 76, + SLTEB_U_SPECIAL_0_OPCODE_X1 = 46, + SLTEH_SPECIAL_0_OPCODE_X0 = 77, + SLTEH_SPECIAL_0_OPCODE_X1 = 47, + SLTEH_U_SPECIAL_0_OPCODE_X0 = 78, + SLTEH_U_SPECIAL_0_OPCODE_X1 = 48, + SLTE_SPECIAL_0_OPCODE_X0 = 79, + SLTE_SPECIAL_0_OPCODE_X1 = 49, + SLTE_SPECIAL_4_OPCODE_Y0 = 0, + SLTE_SPECIAL_4_OPCODE_Y1 = 0, + SLTE_U_SPECIAL_0_OPCODE_X0 = 80, + SLTE_U_SPECIAL_0_OPCODE_X1 = 50, + SLTE_U_SPECIAL_4_OPCODE_Y0 = 1, + SLTE_U_SPECIAL_4_OPCODE_Y1 = 1, + SLTH_SPECIAL_0_OPCODE_X0 = 81, + SLTH_SPECIAL_0_OPCODE_X1 = 51, + SLTH_U_SPECIAL_0_OPCODE_X0 = 82, + SLTH_U_SPECIAL_0_OPCODE_X1 = 52, + SLTIB_IMM_0_OPCODE_X0 = 12, + SLTIB_IMM_0_OPCODE_X1 = 15, + SLTIB_U_IMM_0_OPCODE_X0 = 13, + SLTIB_U_IMM_0_OPCODE_X1 = 16, + SLTIH_IMM_0_OPCODE_X0 = 14, + SLTIH_IMM_0_OPCODE_X1 = 17, + SLTIH_U_IMM_0_OPCODE_X0 = 15, + SLTIH_U_IMM_0_OPCODE_X1 = 18, + SLTI_IMM_0_OPCODE_X0 = 16, + SLTI_IMM_0_OPCODE_X1 = 19, + SLTI_OPCODE_Y0 = 14, + SLTI_OPCODE_Y1 = 12, + SLTI_U_IMM_0_OPCODE_X0 = 17, + SLTI_U_IMM_0_OPCODE_X1 = 20, + SLTI_U_OPCODE_Y0 = 15, + SLTI_U_OPCODE_Y1 = 13, + SLT_SPECIAL_0_OPCODE_X0 = 83, + SLT_SPECIAL_0_OPCODE_X1 = 53, + SLT_SPECIAL_4_OPCODE_Y0 = 2, + SLT_SPECIAL_4_OPCODE_Y1 = 2, + SLT_U_SPECIAL_0_OPCODE_X0 = 84, + SLT_U_SPECIAL_0_OPCODE_X1 = 54, + SLT_U_SPECIAL_4_OPCODE_Y0 = 3, + SLT_U_SPECIAL_4_OPCODE_Y1 = 3, + SNEB_SPECIAL_0_OPCODE_X0 = 85, + SNEB_SPECIAL_0_OPCODE_X1 = 55, + SNEH_SPECIAL_0_OPCODE_X0 = 86, + SNEH_SPECIAL_0_OPCODE_X1 = 56, + SNE_SPECIAL_0_OPCODE_X0 = 87, + SNE_SPECIAL_0_OPCODE_X1 = 57, + SNE_SPECIAL_5_OPCODE_Y0 = 3, + SNE_SPECIAL_5_OPCODE_Y1 = 3, + SPECIAL_0_OPCODE_X0 = 0, + SPECIAL_0_OPCODE_X1 = 1, + SPECIAL_0_OPCODE_Y0 = 1, + SPECIAL_0_OPCODE_Y1 = 1, + SPECIAL_1_OPCODE_Y0 = 2, + SPECIAL_1_OPCODE_Y1 = 2, + SPECIAL_2_OPCODE_Y0 = 3, + SPECIAL_2_OPCODE_Y1 = 3, + SPECIAL_3_OPCODE_Y0 = 4, + SPECIAL_3_OPCODE_Y1 = 4, + SPECIAL_4_OPCODE_Y0 = 5, + SPECIAL_4_OPCODE_Y1 = 5, + SPECIAL_5_OPCODE_Y0 = 6, + SPECIAL_5_OPCODE_Y1 = 6, + SPECIAL_6_OPCODE_Y0 = 7, + SPECIAL_7_OPCODE_Y0 = 8, + SRAB_SPECIAL_0_OPCODE_X0 = 88, + SRAB_SPECIAL_0_OPCODE_X1 = 58, + SRAH_SPECIAL_0_OPCODE_X0 = 89, + SRAH_SPECIAL_0_OPCODE_X1 = 59, + SRAIB_SHUN_0_OPCODE_X0 = 8, + SRAIB_SHUN_0_OPCODE_X1 = 8, + SRAIH_SHUN_0_OPCODE_X0 = 9, + SRAIH_SHUN_0_OPCODE_X1 = 9, + SRAI_SHUN_0_OPCODE_X0 = 10, + SRAI_SHUN_0_OPCODE_X1 = 10, + SRAI_SHUN_0_OPCODE_Y0 = 4, + SRAI_SHUN_0_OPCODE_Y1 = 4, + SRA_SPECIAL_0_OPCODE_X0 = 90, + SRA_SPECIAL_0_OPCODE_X1 = 60, + SRA_SPECIAL_3_OPCODE_Y0 = 3, + SRA_SPECIAL_3_OPCODE_Y1 = 3, + SUBBS_U_SPECIAL_0_OPCODE_X0 = 100, + SUBBS_U_SPECIAL_0_OPCODE_X1 = 70, + SUBB_SPECIAL_0_OPCODE_X0 = 91, + SUBB_SPECIAL_0_OPCODE_X1 = 61, + SUBHS_SPECIAL_0_OPCODE_X0 = 101, + SUBHS_SPECIAL_0_OPCODE_X1 = 71, + SUBH_SPECIAL_0_OPCODE_X0 = 92, + SUBH_SPECIAL_0_OPCODE_X1 = 62, + SUBS_SPECIAL_0_OPCODE_X0 = 97, + SUBS_SPECIAL_0_OPCODE_X1 = 67, + SUB_SPECIAL_0_OPCODE_X0 = 93, + SUB_SPECIAL_0_OPCODE_X1 = 63, + SUB_SPECIAL_0_OPCODE_Y0 = 3, + SUB_SPECIAL_0_OPCODE_Y1 = 3, + SWADD_IMM_0_OPCODE_X1 = 30, + SWINT0_UN_0_SHUN_0_OPCODE_X1 = 18, + SWINT1_UN_0_SHUN_0_OPCODE_X1 = 19, + SWINT2_UN_0_SHUN_0_OPCODE_X1 = 20, + SWINT3_UN_0_SHUN_0_OPCODE_X1 = 21, + SW_OPCODE_Y2 = 7, + SW_SPECIAL_0_OPCODE_X1 = 64, + TBLIDXB0_UN_0_SHUN_0_OPCODE_X0 = 8, + TBLIDXB0_UN_0_SHUN_0_OPCODE_Y0 = 8, + TBLIDXB1_UN_0_SHUN_0_OPCODE_X0 = 9, + TBLIDXB1_UN_0_SHUN_0_OPCODE_Y0 = 9, + TBLIDXB2_UN_0_SHUN_0_OPCODE_X0 = 10, + TBLIDXB2_UN_0_SHUN_0_OPCODE_Y0 = 10, + TBLIDXB3_UN_0_SHUN_0_OPCODE_X0 = 11, + TBLIDXB3_UN_0_SHUN_0_OPCODE_Y0 = 11, + TNS_UN_0_SHUN_0_OPCODE_X1 = 22, + UN_0_SHUN_0_OPCODE_X0 = 11, + UN_0_SHUN_0_OPCODE_X1 = 11, + UN_0_SHUN_0_OPCODE_Y0 = 5, + UN_0_SHUN_0_OPCODE_Y1 = 5, + WH64_UN_0_SHUN_0_OPCODE_X1 = 23, + XORI_IMM_0_OPCODE_X0 = 2, + XORI_IMM_0_OPCODE_X1 = 21, + XOR_SPECIAL_0_OPCODE_X0 = 94, + XOR_SPECIAL_0_OPCODE_X1 = 65, + XOR_SPECIAL_2_OPCODE_Y0 = 3, + XOR_SPECIAL_2_OPCODE_Y1 = 3 +}; + +#endif /* !_TILE_OPCODE_CONSTANTS_H */ diff --git a/arch/tile/include/asm/opcode_constants_64.h b/arch/tile/include/asm/opcode_constants_64.h new file mode 100644 index 0000000..227d033 --- /dev/null +++ b/arch/tile/include/asm/opcode_constants_64.h @@ -0,0 +1,480 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +/* This file is machine-generated; DO NOT EDIT! */ + + +#ifndef _TILE_OPCODE_CONSTANTS_H +#define _TILE_OPCODE_CONSTANTS_H +enum +{ + ADDBS_U_SPECIAL_0_OPCODE_X0 = 98, + ADDBS_U_SPECIAL_0_OPCODE_X1 = 68, + ADDB_SPECIAL_0_OPCODE_X0 = 1, + ADDB_SPECIAL_0_OPCODE_X1 = 1, + ADDHS_SPECIAL_0_OPCODE_X0 = 99, + ADDHS_SPECIAL_0_OPCODE_X1 = 69, + ADDH_SPECIAL_0_OPCODE_X0 = 2, + ADDH_SPECIAL_0_OPCODE_X1 = 2, + ADDIB_IMM_0_OPCODE_X0 = 1, + ADDIB_IMM_0_OPCODE_X1 = 1, + ADDIH_IMM_0_OPCODE_X0 = 2, + ADDIH_IMM_0_OPCODE_X1 = 2, + ADDI_IMM_0_OPCODE_X0 = 3, + ADDI_IMM_0_OPCODE_X1 = 3, + ADDI_IMM_1_OPCODE_SN = 1, + ADDI_OPCODE_Y0 = 9, + ADDI_OPCODE_Y1 = 7, + ADDLIS_OPCODE_X0 = 1, + ADDLIS_OPCODE_X1 = 2, + ADDLI_OPCODE_X0 = 2, + ADDLI_OPCODE_X1 = 3, + ADDS_SPECIAL_0_OPCODE_X0 = 96, + ADDS_SPECIAL_0_OPCODE_X1 = 66, + ADD_SPECIAL_0_OPCODE_X0 = 3, + ADD_SPECIAL_0_OPCODE_X1 = 3, + ADD_SPECIAL_0_OPCODE_Y0 = 0, + ADD_SPECIAL_0_OPCODE_Y1 = 0, + ADIFFB_U_SPECIAL_0_OPCODE_X0 = 4, + ADIFFH_SPECIAL_0_OPCODE_X0 = 5, + ANDI_IMM_0_OPCODE_X0 = 1, + ANDI_IMM_0_OPCODE_X1 = 4, + ANDI_OPCODE_Y0 = 10, + ANDI_OPCODE_Y1 = 8, + AND_SPECIAL_0_OPCODE_X0 = 6, + AND_SPECIAL_0_OPCODE_X1 = 4, + AND_SPECIAL_2_OPCODE_Y0 = 0, + AND_SPECIAL_2_OPCODE_Y1 = 0, + AULI_OPCODE_X0 = 3, + AULI_OPCODE_X1 = 4, + AVGB_U_SPECIAL_0_OPCODE_X0 = 7, + AVGH_SPECIAL_0_OPCODE_X0 = 8, + BBNST_BRANCH_OPCODE_X1 = 15, + BBNS_BRANCH_OPCODE_X1 = 14, + BBNS_OPCODE_SN = 63, + BBST_BRANCH_OPCODE_X1 = 13, + BBS_BRANCH_OPCODE_X1 = 12, + BBS_OPCODE_SN = 62, + BGEZT_BRANCH_OPCODE_X1 = 7, + BGEZ_BRANCH_OPCODE_X1 = 6, + BGEZ_OPCODE_SN = 61, + BGZT_BRANCH_OPCODE_X1 = 5, + BGZ_BRANCH_OPCODE_X1 = 4, + BGZ_OPCODE_SN = 58, + BITX_UN_0_SHUN_0_OPCODE_X0 = 1, + BITX_UN_0_SHUN_0_OPCODE_Y0 = 1, + BLEZT_BRANCH_OPCODE_X1 = 11, + BLEZ_BRANCH_OPCODE_X1 = 10, + BLEZ_OPCODE_SN = 59, + BLZT_BRANCH_OPCODE_X1 = 9, + BLZ_BRANCH_OPCODE_X1 = 8, + BLZ_OPCODE_SN = 60, + BNZT_BRANCH_OPCODE_X1 = 3, + BNZ_BRANCH_OPCODE_X1 = 2, + BNZ_OPCODE_SN = 57, + BPT_NOREG_RR_IMM_0_OPCODE_SN = 1, + BRANCH_OPCODE_X1 = 5, + BYTEX_UN_0_SHUN_0_OPCODE_X0 = 2, + BYTEX_UN_0_SHUN_0_OPCODE_Y0 = 2, + BZT_BRANCH_OPCODE_X1 = 1, + BZ_BRANCH_OPCODE_X1 = 0, + BZ_OPCODE_SN = 56, + CLZ_UN_0_SHUN_0_OPCODE_X0 = 3, + CLZ_UN_0_SHUN_0_OPCODE_Y0 = 3, + CRC32_32_SPECIAL_0_OPCODE_X0 = 9, + CRC32_8_SPECIAL_0_OPCODE_X0 = 10, + CTZ_UN_0_SHUN_0_OPCODE_X0 = 4, + CTZ_UN_0_SHUN_0_OPCODE_Y0 = 4, + DRAIN_UN_0_SHUN_0_OPCODE_X1 = 1, + DTLBPR_UN_0_SHUN_0_OPCODE_X1 = 2, + DWORD_ALIGN_SPECIAL_0_OPCODE_X0 = 95, + FINV_UN_0_SHUN_0_OPCODE_X1 = 3, + FLUSH_UN_0_SHUN_0_OPCODE_X1 = 4, + FNOP_NOREG_RR_IMM_0_OPCODE_SN = 3, + FNOP_UN_0_SHUN_0_OPCODE_X0 = 5, + FNOP_UN_0_SHUN_0_OPCODE_X1 = 5, + FNOP_UN_0_SHUN_0_OPCODE_Y0 = 5, + FNOP_UN_0_SHUN_0_OPCODE_Y1 = 1, + HALT_NOREG_RR_IMM_0_OPCODE_SN = 0, + ICOH_UN_0_SHUN_0_OPCODE_X1 = 6, + ILL_UN_0_SHUN_0_OPCODE_X1 = 7, + ILL_UN_0_SHUN_0_OPCODE_Y1 = 2, + IMM_0_OPCODE_SN = 0, + IMM_0_OPCODE_X0 = 4, + IMM_0_OPCODE_X1 = 6, + IMM_1_OPCODE_SN = 1, + IMM_OPCODE_0_X0 = 5, + INTHB_SPECIAL_0_OPCODE_X0 = 11, + INTHB_SPECIAL_0_OPCODE_X1 = 5, + INTHH_SPECIAL_0_OPCODE_X0 = 12, + INTHH_SPECIAL_0_OPCODE_X1 = 6, + INTLB_SPECIAL_0_OPCODE_X0 = 13, + INTLB_SPECIAL_0_OPCODE_X1 = 7, + INTLH_SPECIAL_0_OPCODE_X0 = 14, + INTLH_SPECIAL_0_OPCODE_X1 = 8, + INV_UN_0_SHUN_0_OPCODE_X1 = 8, + IRET_UN_0_SHUN_0_OPCODE_X1 = 9, + JALB_OPCODE_X1 = 13, + JALF_OPCODE_X1 = 12, + JALRP_SPECIAL_0_OPCODE_X1 = 9, + JALRR_IMM_1_OPCODE_SN = 3, + JALR_RR_IMM_0_OPCODE_SN = 5, + JALR_SPECIAL_0_OPCODE_X1 = 10, + JB_OPCODE_X1 = 11, + JF_OPCODE_X1 = 10, + JRP_SPECIAL_0_OPCODE_X1 = 11, + JRR_IMM_1_OPCODE_SN = 2, + JR_RR_IMM_0_OPCODE_SN = 4, + JR_SPECIAL_0_OPCODE_X1 = 12, + LBADD_IMM_0_OPCODE_X1 = 22, + LBADD_U_IMM_0_OPCODE_X1 = 23, + LB_OPCODE_Y2 = 0, + LB_UN_0_SHUN_0_OPCODE_X1 = 10, + LB_U_OPCODE_Y2 = 1, + LB_U_UN_0_SHUN_0_OPCODE_X1 = 11, + LHADD_IMM_0_OPCODE_X1 = 24, + LHADD_U_IMM_0_OPCODE_X1 = 25, + LH_OPCODE_Y2 = 2, + LH_UN_0_SHUN_0_OPCODE_X1 = 12, + LH_U_OPCODE_Y2 = 3, + LH_U_UN_0_SHUN_0_OPCODE_X1 = 13, + LNK_SPECIAL_0_OPCODE_X1 = 13, + LWADD_IMM_0_OPCODE_X1 = 26, + LWADD_NA_IMM_0_OPCODE_X1 = 27, + LW_NA_UN_0_SHUN_0_OPCODE_X1 = 24, + LW_OPCODE_Y2 = 4, + LW_UN_0_SHUN_0_OPCODE_X1 = 14, + MAXB_U_SPECIAL_0_OPCODE_X0 = 15, + MAXB_U_SPECIAL_0_OPCODE_X1 = 14, + MAXH_SPECIAL_0_OPCODE_X0 = 16, + MAXH_SPECIAL_0_OPCODE_X1 = 15, + MAXIB_U_IMM_0_OPCODE_X0 = 4, + MAXIB_U_IMM_0_OPCODE_X1 = 5, + MAXIH_IMM_0_OPCODE_X0 = 5, + MAXIH_IMM_0_OPCODE_X1 = 6, + MFSPR_IMM_0_OPCODE_X1 = 7, + MF_UN_0_SHUN_0_OPCODE_X1 = 15, + MINB_U_SPECIAL_0_OPCODE_X0 = 17, + MINB_U_SPECIAL_0_OPCODE_X1 = 16, + MINH_SPECIAL_0_OPCODE_X0 = 18, + MINH_SPECIAL_0_OPCODE_X1 = 17, + MINIB_U_IMM_0_OPCODE_X0 = 6, + MINIB_U_IMM_0_OPCODE_X1 = 8, + MINIH_IMM_0_OPCODE_X0 = 7, + MINIH_IMM_0_OPCODE_X1 = 9, + MM_OPCODE_X0 = 6, + MM_OPCODE_X1 = 7, + MNZB_SPECIAL_0_OPCODE_X0 = 19, + MNZB_SPECIAL_0_OPCODE_X1 = 18, + MNZH_SPECIAL_0_OPCODE_X0 = 20, + MNZH_SPECIAL_0_OPCODE_X1 = 19, + MNZ_SPECIAL_0_OPCODE_X0 = 21, + MNZ_SPECIAL_0_OPCODE_X1 = 20, + MNZ_SPECIAL_1_OPCODE_Y0 = 0, + MNZ_SPECIAL_1_OPCODE_Y1 = 1, + MOVEI_IMM_1_OPCODE_SN = 0, + MOVE_RR_IMM_0_OPCODE_SN = 8, + MTSPR_IMM_0_OPCODE_X1 = 10, + MULHHA_SS_SPECIAL_0_OPCODE_X0 = 22, + MULHHA_SS_SPECIAL_7_OPCODE_Y0 = 0, + MULHHA_SU_SPECIAL_0_OPCODE_X0 = 23, + MULHHA_UU_SPECIAL_0_OPCODE_X0 = 24, + MULHHA_UU_SPECIAL_7_OPCODE_Y0 = 1, + MULHHSA_UU_SPECIAL_0_OPCODE_X0 = 25, + MULHH_SS_SPECIAL_0_OPCODE_X0 = 26, + MULHH_SS_SPECIAL_6_OPCODE_Y0 = 0, + MULHH_SU_SPECIAL_0_OPCODE_X0 = 27, + MULHH_UU_SPECIAL_0_OPCODE_X0 = 28, + MULHH_UU_SPECIAL_6_OPCODE_Y0 = 1, + MULHLA_SS_SPECIAL_0_OPCODE_X0 = 29, + MULHLA_SU_SPECIAL_0_OPCODE_X0 = 30, + MULHLA_US_SPECIAL_0_OPCODE_X0 = 31, + MULHLA_UU_SPECIAL_0_OPCODE_X0 = 32, + MULHLSA_UU_SPECIAL_0_OPCODE_X0 = 33, + MULHLSA_UU_SPECIAL_5_OPCODE_Y0 = 0, + MULHL_SS_SPECIAL_0_OPCODE_X0 = 34, + MULHL_SU_SPECIAL_0_OPCODE_X0 = 35, + MULHL_US_SPECIAL_0_OPCODE_X0 = 36, + MULHL_UU_SPECIAL_0_OPCODE_X0 = 37, + MULLLA_SS_SPECIAL_0_OPCODE_X0 = 38, + MULLLA_SS_SPECIAL_7_OPCODE_Y0 = 2, + MULLLA_SU_SPECIAL_0_OPCODE_X0 = 39, + MULLLA_UU_SPECIAL_0_OPCODE_X0 = 40, + MULLLA_UU_SPECIAL_7_OPCODE_Y0 = 3, + MULLLSA_UU_SPECIAL_0_OPCODE_X0 = 41, + MULLL_SS_SPECIAL_0_OPCODE_X0 = 42, + MULLL_SS_SPECIAL_6_OPCODE_Y0 = 2, + MULLL_SU_SPECIAL_0_OPCODE_X0 = 43, + MULLL_UU_SPECIAL_0_OPCODE_X0 = 44, + MULLL_UU_SPECIAL_6_OPCODE_Y0 = 3, + MVNZ_SPECIAL_0_OPCODE_X0 = 45, + MVNZ_SPECIAL_1_OPCODE_Y0 = 1, + MVZ_SPECIAL_0_OPCODE_X0 = 46, + MVZ_SPECIAL_1_OPCODE_Y0 = 2, + MZB_SPECIAL_0_OPCODE_X0 = 47, + MZB_SPECIAL_0_OPCODE_X1 = 21, + MZH_SPECIAL_0_OPCODE_X0 = 48, + MZH_SPECIAL_0_OPCODE_X1 = 22, + MZ_SPECIAL_0_OPCODE_X0 = 49, + MZ_SPECIAL_0_OPCODE_X1 = 23, + MZ_SPECIAL_1_OPCODE_Y0 = 3, + MZ_SPECIAL_1_OPCODE_Y1 = 2, + NAP_UN_0_SHUN_0_OPCODE_X1 = 16, + NOP_NOREG_RR_IMM_0_OPCODE_SN = 2, + NOP_UN_0_SHUN_0_OPCODE_X0 = 6, + NOP_UN_0_SHUN_0_OPCODE_X1 = 17, + NOP_UN_0_SHUN_0_OPCODE_Y0 = 6, + NOP_UN_0_SHUN_0_OPCODE_Y1 = 3, + NOREG_RR_IMM_0_OPCODE_SN = 0, + NOR_SPECIAL_0_OPCODE_X0 = 50, + NOR_SPECIAL_0_OPCODE_X1 = 24, + NOR_SPECIAL_2_OPCODE_Y0 = 1, + NOR_SPECIAL_2_OPCODE_Y1 = 1, + ORI_IMM_0_OPCODE_X0 = 8, + ORI_IMM_0_OPCODE_X1 = 11, + ORI_OPCODE_Y0 = 11, + ORI_OPCODE_Y1 = 9, + OR_SPECIAL_0_OPCODE_X0 = 51, + OR_SPECIAL_0_OPCODE_X1 = 25, + OR_SPECIAL_2_OPCODE_Y0 = 2, + OR_SPECIAL_2_OPCODE_Y1 = 2, + PACKBS_U_SPECIAL_0_OPCODE_X0 = 103, + PACKBS_U_SPECIAL_0_OPCODE_X1 = 73, + PACKHB_SPECIAL_0_OPCODE_X0 = 52, + PACKHB_SPECIAL_0_OPCODE_X1 = 26, + PACKHS_SPECIAL_0_OPCODE_X0 = 102, + PACKHS_SPECIAL_0_OPCODE_X1 = 72, + PACKLB_SPECIAL_0_OPCODE_X0 = 53, + PACKLB_SPECIAL_0_OPCODE_X1 = 27, + PCNT_UN_0_SHUN_0_OPCODE_X0 = 7, + PCNT_UN_0_SHUN_0_OPCODE_Y0 = 7, + RLI_SHUN_0_OPCODE_X0 = 1, + RLI_SHUN_0_OPCODE_X1 = 1, + RLI_SHUN_0_OPCODE_Y0 = 1, + RLI_SHUN_0_OPCODE_Y1 = 1, + RL_SPECIAL_0_OPCODE_X0 = 54, + RL_SPECIAL_0_OPCODE_X1 = 28, + RL_SPECIAL_3_OPCODE_Y0 = 0, + RL_SPECIAL_3_OPCODE_Y1 = 0, + RR_IMM_0_OPCODE_SN = 0, + S1A_SPECIAL_0_OPCODE_X0 = 55, + S1A_SPECIAL_0_OPCODE_X1 = 29, + S1A_SPECIAL_0_OPCODE_Y0 = 1, + S1A_SPECIAL_0_OPCODE_Y1 = 1, + S2A_SPECIAL_0_OPCODE_X0 = 56, + S2A_SPECIAL_0_OPCODE_X1 = 30, + S2A_SPECIAL_0_OPCODE_Y0 = 2, + S2A_SPECIAL_0_OPCODE_Y1 = 2, + S3A_SPECIAL_0_OPCODE_X0 = 57, + S3A_SPECIAL_0_OPCODE_X1 = 31, + S3A_SPECIAL_5_OPCODE_Y0 = 1, + S3A_SPECIAL_5_OPCODE_Y1 = 1, + SADAB_U_SPECIAL_0_OPCODE_X0 = 58, + SADAH_SPECIAL_0_OPCODE_X0 = 59, + SADAH_U_SPECIAL_0_OPCODE_X0 = 60, + SADB_U_SPECIAL_0_OPCODE_X0 = 61, + SADH_SPECIAL_0_OPCODE_X0 = 62, + SADH_U_SPECIAL_0_OPCODE_X0 = 63, + SBADD_IMM_0_OPCODE_X1 = 28, + SB_OPCODE_Y2 = 5, + SB_SPECIAL_0_OPCODE_X1 = 32, + SEQB_SPECIAL_0_OPCODE_X0 = 64, + SEQB_SPECIAL_0_OPCODE_X1 = 33, + SEQH_SPECIAL_0_OPCODE_X0 = 65, + SEQH_SPECIAL_0_OPCODE_X1 = 34, + SEQIB_IMM_0_OPCODE_X0 = 9, + SEQIB_IMM_0_OPCODE_X1 = 12, + SEQIH_IMM_0_OPCODE_X0 = 10, + SEQIH_IMM_0_OPCODE_X1 = 13, + SEQI_IMM_0_OPCODE_X0 = 11, + SEQI_IMM_0_OPCODE_X1 = 14, + SEQI_OPCODE_Y0 = 12, + SEQI_OPCODE_Y1 = 10, + SEQ_SPECIAL_0_OPCODE_X0 = 66, + SEQ_SPECIAL_0_OPCODE_X1 = 35, + SEQ_SPECIAL_5_OPCODE_Y0 = 2, + SEQ_SPECIAL_5_OPCODE_Y1 = 2, + SHADD_IMM_0_OPCODE_X1 = 29, + SHL8II_IMM_0_OPCODE_SN = 3, + SHLB_SPECIAL_0_OPCODE_X0 = 67, + SHLB_SPECIAL_0_OPCODE_X1 = 36, + SHLH_SPECIAL_0_OPCODE_X0 = 68, + SHLH_SPECIAL_0_OPCODE_X1 = 37, + SHLIB_SHUN_0_OPCODE_X0 = 2, + SHLIB_SHUN_0_OPCODE_X1 = 2, + SHLIH_SHUN_0_OPCODE_X0 = 3, + SHLIH_SHUN_0_OPCODE_X1 = 3, + SHLI_SHUN_0_OPCODE_X0 = 4, + SHLI_SHUN_0_OPCODE_X1 = 4, + SHLI_SHUN_0_OPCODE_Y0 = 2, + SHLI_SHUN_0_OPCODE_Y1 = 2, + SHL_SPECIAL_0_OPCODE_X0 = 69, + SHL_SPECIAL_0_OPCODE_X1 = 38, + SHL_SPECIAL_3_OPCODE_Y0 = 1, + SHL_SPECIAL_3_OPCODE_Y1 = 1, + SHR1_RR_IMM_0_OPCODE_SN = 9, + SHRB_SPECIAL_0_OPCODE_X0 = 70, + SHRB_SPECIAL_0_OPCODE_X1 = 39, + SHRH_SPECIAL_0_OPCODE_X0 = 71, + SHRH_SPECIAL_0_OPCODE_X1 = 40, + SHRIB_SHUN_0_OPCODE_X0 = 5, + SHRIB_SHUN_0_OPCODE_X1 = 5, + SHRIH_SHUN_0_OPCODE_X0 = 6, + SHRIH_SHUN_0_OPCODE_X1 = 6, + SHRI_SHUN_0_OPCODE_X0 = 7, + SHRI_SHUN_0_OPCODE_X1 = 7, + SHRI_SHUN_0_OPCODE_Y0 = 3, + SHRI_SHUN_0_OPCODE_Y1 = 3, + SHR_SPECIAL_0_OPCODE_X0 = 72, + SHR_SPECIAL_0_OPCODE_X1 = 41, + SHR_SPECIAL_3_OPCODE_Y0 = 2, + SHR_SPECIAL_3_OPCODE_Y1 = 2, + SHUN_0_OPCODE_X0 = 7, + SHUN_0_OPCODE_X1 = 8, + SHUN_0_OPCODE_Y0 = 13, + SHUN_0_OPCODE_Y1 = 11, + SH_OPCODE_Y2 = 6, + SH_SPECIAL_0_OPCODE_X1 = 42, + SLTB_SPECIAL_0_OPCODE_X0 = 73, + SLTB_SPECIAL_0_OPCODE_X1 = 43, + SLTB_U_SPECIAL_0_OPCODE_X0 = 74, + SLTB_U_SPECIAL_0_OPCODE_X1 = 44, + SLTEB_SPECIAL_0_OPCODE_X0 = 75, + SLTEB_SPECIAL_0_OPCODE_X1 = 45, + SLTEB_U_SPECIAL_0_OPCODE_X0 = 76, + SLTEB_U_SPECIAL_0_OPCODE_X1 = 46, + SLTEH_SPECIAL_0_OPCODE_X0 = 77, + SLTEH_SPECIAL_0_OPCODE_X1 = 47, + SLTEH_U_SPECIAL_0_OPCODE_X0 = 78, + SLTEH_U_SPECIAL_0_OPCODE_X1 = 48, + SLTE_SPECIAL_0_OPCODE_X0 = 79, + SLTE_SPECIAL_0_OPCODE_X1 = 49, + SLTE_SPECIAL_4_OPCODE_Y0 = 0, + SLTE_SPECIAL_4_OPCODE_Y1 = 0, + SLTE_U_SPECIAL_0_OPCODE_X0 = 80, + SLTE_U_SPECIAL_0_OPCODE_X1 = 50, + SLTE_U_SPECIAL_4_OPCODE_Y0 = 1, + SLTE_U_SPECIAL_4_OPCODE_Y1 = 1, + SLTH_SPECIAL_0_OPCODE_X0 = 81, + SLTH_SPECIAL_0_OPCODE_X1 = 51, + SLTH_U_SPECIAL_0_OPCODE_X0 = 82, + SLTH_U_SPECIAL_0_OPCODE_X1 = 52, + SLTIB_IMM_0_OPCODE_X0 = 12, + SLTIB_IMM_0_OPCODE_X1 = 15, + SLTIB_U_IMM_0_OPCODE_X0 = 13, + SLTIB_U_IMM_0_OPCODE_X1 = 16, + SLTIH_IMM_0_OPCODE_X0 = 14, + SLTIH_IMM_0_OPCODE_X1 = 17, + SLTIH_U_IMM_0_OPCODE_X0 = 15, + SLTIH_U_IMM_0_OPCODE_X1 = 18, + SLTI_IMM_0_OPCODE_X0 = 16, + SLTI_IMM_0_OPCODE_X1 = 19, + SLTI_OPCODE_Y0 = 14, + SLTI_OPCODE_Y1 = 12, + SLTI_U_IMM_0_OPCODE_X0 = 17, + SLTI_U_IMM_0_OPCODE_X1 = 20, + SLTI_U_OPCODE_Y0 = 15, + SLTI_U_OPCODE_Y1 = 13, + SLT_SPECIAL_0_OPCODE_X0 = 83, + SLT_SPECIAL_0_OPCODE_X1 = 53, + SLT_SPECIAL_4_OPCODE_Y0 = 2, + SLT_SPECIAL_4_OPCODE_Y1 = 2, + SLT_U_SPECIAL_0_OPCODE_X0 = 84, + SLT_U_SPECIAL_0_OPCODE_X1 = 54, + SLT_U_SPECIAL_4_OPCODE_Y0 = 3, + SLT_U_SPECIAL_4_OPCODE_Y1 = 3, + SNEB_SPECIAL_0_OPCODE_X0 = 85, + SNEB_SPECIAL_0_OPCODE_X1 = 55, + SNEH_SPECIAL_0_OPCODE_X0 = 86, + SNEH_SPECIAL_0_OPCODE_X1 = 56, + SNE_SPECIAL_0_OPCODE_X0 = 87, + SNE_SPECIAL_0_OPCODE_X1 = 57, + SNE_SPECIAL_5_OPCODE_Y0 = 3, + SNE_SPECIAL_5_OPCODE_Y1 = 3, + SPECIAL_0_OPCODE_X0 = 0, + SPECIAL_0_OPCODE_X1 = 1, + SPECIAL_0_OPCODE_Y0 = 1, + SPECIAL_0_OPCODE_Y1 = 1, + SPECIAL_1_OPCODE_Y0 = 2, + SPECIAL_1_OPCODE_Y1 = 2, + SPECIAL_2_OPCODE_Y0 = 3, + SPECIAL_2_OPCODE_Y1 = 3, + SPECIAL_3_OPCODE_Y0 = 4, + SPECIAL_3_OPCODE_Y1 = 4, + SPECIAL_4_OPCODE_Y0 = 5, + SPECIAL_4_OPCODE_Y1 = 5, + SPECIAL_5_OPCODE_Y0 = 6, + SPECIAL_5_OPCODE_Y1 = 6, + SPECIAL_6_OPCODE_Y0 = 7, + SPECIAL_7_OPCODE_Y0 = 8, + SRAB_SPECIAL_0_OPCODE_X0 = 88, + SRAB_SPECIAL_0_OPCODE_X1 = 58, + SRAH_SPECIAL_0_OPCODE_X0 = 89, + SRAH_SPECIAL_0_OPCODE_X1 = 59, + SRAIB_SHUN_0_OPCODE_X0 = 8, + SRAIB_SHUN_0_OPCODE_X1 = 8, + SRAIH_SHUN_0_OPCODE_X0 = 9, + SRAIH_SHUN_0_OPCODE_X1 = 9, + SRAI_SHUN_0_OPCODE_X0 = 10, + SRAI_SHUN_0_OPCODE_X1 = 10, + SRAI_SHUN_0_OPCODE_Y0 = 4, + SRAI_SHUN_0_OPCODE_Y1 = 4, + SRA_SPECIAL_0_OPCODE_X0 = 90, + SRA_SPECIAL_0_OPCODE_X1 = 60, + SRA_SPECIAL_3_OPCODE_Y0 = 3, + SRA_SPECIAL_3_OPCODE_Y1 = 3, + SUBBS_U_SPECIAL_0_OPCODE_X0 = 100, + SUBBS_U_SPECIAL_0_OPCODE_X1 = 70, + SUBB_SPECIAL_0_OPCODE_X0 = 91, + SUBB_SPECIAL_0_OPCODE_X1 = 61, + SUBHS_SPECIAL_0_OPCODE_X0 = 101, + SUBHS_SPECIAL_0_OPCODE_X1 = 71, + SUBH_SPECIAL_0_OPCODE_X0 = 92, + SUBH_SPECIAL_0_OPCODE_X1 = 62, + SUBS_SPECIAL_0_OPCODE_X0 = 97, + SUBS_SPECIAL_0_OPCODE_X1 = 67, + SUB_SPECIAL_0_OPCODE_X0 = 93, + SUB_SPECIAL_0_OPCODE_X1 = 63, + SUB_SPECIAL_0_OPCODE_Y0 = 3, + SUB_SPECIAL_0_OPCODE_Y1 = 3, + SWADD_IMM_0_OPCODE_X1 = 30, + SWINT0_UN_0_SHUN_0_OPCODE_X1 = 18, + SWINT1_UN_0_SHUN_0_OPCODE_X1 = 19, + SWINT2_UN_0_SHUN_0_OPCODE_X1 = 20, + SWINT3_UN_0_SHUN_0_OPCODE_X1 = 21, + SW_OPCODE_Y2 = 7, + SW_SPECIAL_0_OPCODE_X1 = 64, + TBLIDXB0_UN_0_SHUN_0_OPCODE_X0 = 8, + TBLIDXB0_UN_0_SHUN_0_OPCODE_Y0 = 8, + TBLIDXB1_UN_0_SHUN_0_OPCODE_X0 = 9, + TBLIDXB1_UN_0_SHUN_0_OPCODE_Y0 = 9, + TBLIDXB2_UN_0_SHUN_0_OPCODE_X0 = 10, + TBLIDXB2_UN_0_SHUN_0_OPCODE_Y0 = 10, + TBLIDXB3_UN_0_SHUN_0_OPCODE_X0 = 11, + TBLIDXB3_UN_0_SHUN_0_OPCODE_Y0 = 11, + TNS_UN_0_SHUN_0_OPCODE_X1 = 22, + UN_0_SHUN_0_OPCODE_X0 = 11, + UN_0_SHUN_0_OPCODE_X1 = 11, + UN_0_SHUN_0_OPCODE_Y0 = 5, + UN_0_SHUN_0_OPCODE_Y1 = 5, + WH64_UN_0_SHUN_0_OPCODE_X1 = 23, + XORI_IMM_0_OPCODE_X0 = 2, + XORI_IMM_0_OPCODE_X1 = 21, + XOR_SPECIAL_0_OPCODE_X0 = 94, + XOR_SPECIAL_0_OPCODE_X1 = 65, + XOR_SPECIAL_2_OPCODE_Y0 = 3, + XOR_SPECIAL_2_OPCODE_Y1 = 3 +}; + +#endif /* !_TILE_OPCODE_CONSTANTS_H */ diff --git a/arch/tile/include/asm/page.h b/arch/tile/include/asm/page.h new file mode 100644 index 0000000..c8301c4 --- /dev/null +++ b/arch/tile/include/asm/page.h @@ -0,0 +1,334 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_PAGE_H +#define _ASM_TILE_PAGE_H + +#include <linux/const.h> +#include <hv/hypervisor.h> +#include <arch/chip.h> + +/* PAGE_SHIFT and HPAGE_SHIFT determine the page sizes. */ +#define PAGE_SHIFT 16 +#define HPAGE_SHIFT 24 + +#define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT) +#define HPAGE_SIZE (_AC(1, UL) << HPAGE_SHIFT) + +#define PAGE_MASK (~(PAGE_SIZE - 1)) +#define HPAGE_MASK (~(HPAGE_SIZE - 1)) + +/* + * The {,H}PAGE_SHIFT values must match the HV_LOG2_PAGE_SIZE_xxx + * definitions in <hv/hypervisor.h>. We validate this at build time + * here, and again at runtime during early boot. We provide a + * separate definition since userspace doesn't have <hv/hypervisor.h>. + * + * Be careful to distinguish PAGE_SHIFT from HV_PTE_INDEX_PFN, since + * they are the same on i386 but not TILE. + */ +#if HV_LOG2_PAGE_SIZE_SMALL != PAGE_SHIFT +# error Small page size mismatch in Linux +#endif +#if HV_LOG2_PAGE_SIZE_LARGE != HPAGE_SHIFT +# error Huge page size mismatch in Linux +#endif + +#ifndef __ASSEMBLY__ + +#include <linux/types.h> +#include <linux/string.h> + +struct page; + +static inline void clear_page(void *page) +{ + memset(page, 0, PAGE_SIZE); +} + +static inline void copy_page(void *to, void *from) +{ + memcpy(to, from, PAGE_SIZE); +} + +static inline void clear_user_page(void *page, unsigned long vaddr, + struct page *pg) +{ + clear_page(page); +} + +static inline void copy_user_page(void *to, void *from, unsigned long vaddr, + struct page *topage) +{ + copy_page(to, from); +} + +/* + * Hypervisor page tables are made of the same basic structure. + */ + +typedef __u64 pteval_t; +typedef __u64 pmdval_t; +typedef __u64 pudval_t; +typedef __u64 pgdval_t; +typedef __u64 pgprotval_t; + +typedef HV_PTE pte_t; +typedef HV_PTE pgd_t; +typedef HV_PTE pgprot_t; + +/* + * User L2 page tables are managed as one L2 page table per page, + * because we use the page allocator for them. This keeps the allocation + * simple and makes it potentially useful to implement HIGHPTE at some point. + * However, it's also inefficient, since L2 page tables are much smaller + * than pages (currently 2KB vs 64KB). So we should revisit this. + */ +typedef struct page *pgtable_t; + +/* Must be a macro since it is used to create constants. */ +#define __pgprot(val) hv_pte(val) + +static inline u64 pgprot_val(pgprot_t pgprot) +{ + return hv_pte_val(pgprot); +} + +static inline u64 pte_val(pte_t pte) +{ + return hv_pte_val(pte); +} + +static inline u64 pgd_val(pgd_t pgd) +{ + return hv_pte_val(pgd); +} + +#ifdef __tilegx__ + +typedef HV_PTE pmd_t; + +static inline u64 pmd_val(pmd_t pmd) +{ + return hv_pte_val(pmd); +} + +#endif + +#endif /* !__ASSEMBLY__ */ + +#define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT) + +#define HUGE_MAX_HSTATE 2 + +#ifdef CONFIG_HUGETLB_PAGE +#define HAVE_ARCH_HUGETLB_UNMAPPED_AREA +#endif + +/* Each memory controller has PAs distinct in their high bits. */ +#define NR_PA_HIGHBIT_SHIFT (CHIP_PA_WIDTH() - CHIP_LOG_NUM_MSHIMS()) +#define NR_PA_HIGHBIT_VALUES (1 << CHIP_LOG_NUM_MSHIMS()) +#define __pa_to_highbits(pa) ((phys_addr_t)(pa) >> NR_PA_HIGHBIT_SHIFT) +#define __pfn_to_highbits(pfn) ((pfn) >> (NR_PA_HIGHBIT_SHIFT - PAGE_SHIFT)) + +#ifdef __tilegx__ + +/* + * We reserve the lower half of memory for user-space programs, and the + * upper half for system code. We re-map all of physical memory in the + * upper half, which takes a quarter of our VA space. Then we have + * the vmalloc regions. The supervisor code lives at 0xfffffff700000000, + * with the hypervisor above that. + * + * Loadable kernel modules are placed immediately after the static + * supervisor code, with each being allocated a 256MB region of + * address space, so we don't have to worry about the range of "jal" + * and other branch instructions. + * + * For now we keep life simple and just allocate one pmd (4GB) for vmalloc. + * Similarly, for now we don't play any struct page mapping games. + */ + +#if CHIP_PA_WIDTH() + 2 > CHIP_VA_WIDTH() +# error Too much PA to map with the VA available! +#endif +#define HALF_VA_SPACE (_AC(1, UL) << (CHIP_VA_WIDTH() - 1)) + +#define MEM_LOW_END (HALF_VA_SPACE - 1) /* low half */ +#define MEM_HIGH_START (-HALF_VA_SPACE) /* high half */ +#define PAGE_OFFSET MEM_HIGH_START +#define _VMALLOC_START _AC(0xfffffff500000000, UL) /* 4 GB */ +#define HUGE_VMAP_BASE _AC(0xfffffff600000000, UL) /* 4 GB */ +#define MEM_SV_START _AC(0xfffffff700000000, UL) /* 256 MB */ +#define MEM_SV_INTRPT MEM_SV_START +#define MEM_MODULE_START _AC(0xfffffff710000000, UL) /* 256 MB */ +#define MEM_MODULE_END (MEM_MODULE_START + (256*1024*1024)) +#define MEM_HV_START _AC(0xfffffff800000000, UL) /* 32 GB */ + +/* Highest DTLB address we will use */ +#define KERNEL_HIGH_VADDR MEM_SV_START + +/* Since we don't currently provide any fixmaps, we use an impossible VA. */ +#define FIXADDR_TOP MEM_HV_START + +#else /* !__tilegx__ */ + +/* + * A PAGE_OFFSET of 0xC0000000 means that the kernel has + * a virtual address space of one gigabyte, which limits the + * amount of physical memory you can use to about 768MB. + * If you want more physical memory than this then see the CONFIG_HIGHMEM + * option in the kernel configuration. + * + * The top two 16MB chunks in the table below (VIRT and HV) are + * unavailable to Linux. Since the kernel interrupt vectors must live + * at 0xfd000000, we map all of the bottom of RAM at this address with + * a huge page table entry to minimize its ITLB footprint (as well as + * at PAGE_OFFSET). The last architected requirement is that user + * interrupt vectors live at 0xfc000000, so we make that range of + * memory available to user processes. The remaining regions are sized + * as shown; after the first four addresses, we show "typical" values, + * since the actual addresses depend on kernel #defines. + * + * MEM_VIRT_INTRPT 0xff000000 + * MEM_HV_INTRPT 0xfe000000 + * MEM_SV_INTRPT (kernel code) 0xfd000000 + * MEM_USER_INTRPT (user vector) 0xfc000000 + * FIX_KMAP_xxx 0xf8000000 (via NR_CPUS * KM_TYPE_NR) + * PKMAP_BASE 0xf7000000 (via LAST_PKMAP) + * HUGE_VMAP 0xf3000000 (via CONFIG_NR_HUGE_VMAPS) + * VMALLOC_START 0xf0000000 (via __VMALLOC_RESERVE) + * mapped LOWMEM 0xc0000000 + */ + +#define MEM_USER_INTRPT _AC(0xfc000000, UL) +#define MEM_SV_INTRPT _AC(0xfd000000, UL) +#define MEM_HV_INTRPT _AC(0xfe000000, UL) +#define MEM_VIRT_INTRPT _AC(0xff000000, UL) + +#define INTRPT_SIZE 0x4000 + +/* Tolerate page size larger than the architecture interrupt region size. */ +#if PAGE_SIZE > INTRPT_SIZE +#undef INTRPT_SIZE +#define INTRPT_SIZE PAGE_SIZE +#endif + +#define KERNEL_HIGH_VADDR MEM_USER_INTRPT +#define FIXADDR_TOP (KERNEL_HIGH_VADDR - PAGE_SIZE) + +#define PAGE_OFFSET _AC(CONFIG_PAGE_OFFSET, UL) + +/* On 32-bit architectures we mix kernel modules in with other vmaps. */ +#define MEM_MODULE_START VMALLOC_START +#define MEM_MODULE_END VMALLOC_END + +#endif /* __tilegx__ */ + +#ifndef __ASSEMBLY__ + +#ifdef CONFIG_HIGHMEM + +/* Map kernel virtual addresses to page frames, in HPAGE_SIZE chunks. */ +extern unsigned long pbase_map[]; +extern void *vbase_map[]; + +static inline unsigned long kaddr_to_pfn(const volatile void *_kaddr) +{ + unsigned long kaddr = (unsigned long)_kaddr; + return pbase_map[kaddr >> HPAGE_SHIFT] + + ((kaddr & (HPAGE_SIZE - 1)) >> PAGE_SHIFT); +} + +static inline void *pfn_to_kaddr(unsigned long pfn) +{ + return vbase_map[__pfn_to_highbits(pfn)] + (pfn << PAGE_SHIFT); +} + +static inline phys_addr_t virt_to_phys(const volatile void *kaddr) +{ + unsigned long pfn = kaddr_to_pfn(kaddr); + return ((phys_addr_t)pfn << PAGE_SHIFT) + + ((unsigned long)kaddr & (PAGE_SIZE-1)); +} + +static inline void *phys_to_virt(phys_addr_t paddr) +{ + return pfn_to_kaddr(paddr >> PAGE_SHIFT) + (paddr & (PAGE_SIZE-1)); +} + +/* With HIGHMEM, we pack PAGE_OFFSET through high_memory with all valid VAs. */ +static inline int virt_addr_valid(const volatile void *kaddr) +{ + extern void *high_memory; /* copied from <linux/mm.h> */ + return ((unsigned long)kaddr >= PAGE_OFFSET && kaddr < high_memory); +} + +#else /* !CONFIG_HIGHMEM */ + +static inline unsigned long kaddr_to_pfn(const volatile void *kaddr) +{ + return ((unsigned long)kaddr - PAGE_OFFSET) >> PAGE_SHIFT; +} + +static inline void *pfn_to_kaddr(unsigned long pfn) +{ + return (void *)((pfn << PAGE_SHIFT) + PAGE_OFFSET); +} + +static inline phys_addr_t virt_to_phys(const volatile void *kaddr) +{ + return (phys_addr_t)((unsigned long)kaddr - PAGE_OFFSET); +} + +static inline void *phys_to_virt(phys_addr_t paddr) +{ + return (void *)((unsigned long)paddr + PAGE_OFFSET); +} + +/* Check that the given address is within some mapped range of PAs. */ +#define virt_addr_valid(kaddr) pfn_valid(kaddr_to_pfn(kaddr)) + +#endif /* !CONFIG_HIGHMEM */ + +/* All callers are not consistent in how they call these functions. */ +#define __pa(kaddr) virt_to_phys((void *)(unsigned long)(kaddr)) +#define __va(paddr) phys_to_virt((phys_addr_t)(paddr)) + +extern int devmem_is_allowed(unsigned long pagenr); + +#ifdef CONFIG_FLATMEM +static inline int pfn_valid(unsigned long pfn) +{ + return pfn < max_mapnr; +} +#endif + +/* Provide as macros since these require some other headers included. */ +#define page_to_pa(page) ((phys_addr_t)(page_to_pfn(page)) << PAGE_SHIFT) +#define virt_to_page(kaddr) pfn_to_page(kaddr_to_pfn(kaddr)) +#define page_to_virt(page) pfn_to_kaddr(page_to_pfn(page)) + +struct mm_struct; +extern pte_t *virt_to_pte(struct mm_struct *mm, unsigned long addr); + +#endif /* !__ASSEMBLY__ */ + +#define VM_DATA_DEFAULT_FLAGS \ + (VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) + +#include <asm-generic/memory_model.h> +#include <asm-generic/getorder.h> + +#endif /* _ASM_TILE_PAGE_H */ diff --git a/arch/tile/include/asm/param.h b/arch/tile/include/asm/param.h new file mode 100644 index 0000000..965d454 --- /dev/null +++ b/arch/tile/include/asm/param.h @@ -0,0 +1 @@ +#include <asm-generic/param.h> diff --git a/arch/tile/include/asm/pci-bridge.h b/arch/tile/include/asm/pci-bridge.h new file mode 100644 index 0000000..e853b0e --- /dev/null +++ b/arch/tile/include/asm/pci-bridge.h @@ -0,0 +1,117 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_PCI_BRIDGE_H +#define _ASM_TILE_PCI_BRIDGE_H + +#include <linux/ioport.h> +#include <linux/pci.h> + +struct device_node; +struct pci_controller; + +/* + * pci_io_base returns the memory address at which you can access + * the I/O space for PCI bus number `bus' (or NULL on error). + */ +extern void __iomem *pci_bus_io_base(unsigned int bus); +extern unsigned long pci_bus_io_base_phys(unsigned int bus); +extern unsigned long pci_bus_mem_base_phys(unsigned int bus); + +/* Allocate a new PCI host bridge structure */ +extern struct pci_controller *pcibios_alloc_controller(void); + +/* Helper function for setting up resources */ +extern void pci_init_resource(struct resource *res, unsigned long start, + unsigned long end, int flags, char *name); + +/* Get the PCI host controller for a bus */ +extern struct pci_controller *pci_bus_to_hose(int bus); + +/* + * Structure of a PCI controller (host bridge) + */ +struct pci_controller { + int index; /* PCI domain number */ + struct pci_bus *root_bus; + + int first_busno; + int last_busno; + + int hv_cfg_fd[2]; /* config{0,1} fds for this PCIe controller */ + int hv_mem_fd; /* fd to Hypervisor for MMIO operations */ + + struct pci_ops *ops; + + int irq_base; /* Base IRQ from the Hypervisor */ + int plx_gen1; /* flag for PLX Gen 1 configuration */ + + /* Address ranges that are routed to this controller/bridge. */ + struct resource mem_resources[3]; +}; + +static inline struct pci_controller *pci_bus_to_host(struct pci_bus *bus) +{ + return bus->sysdata; +} + +extern void setup_indirect_pci_nomap(struct pci_controller *hose, + void __iomem *cfg_addr, void __iomem *cfg_data); +extern void setup_indirect_pci(struct pci_controller *hose, + u32 cfg_addr, u32 cfg_data); +extern void setup_grackle(struct pci_controller *hose); + +extern unsigned char common_swizzle(struct pci_dev *, unsigned char *); + +/* + * The following code swizzles for exactly one bridge. The routine + * common_swizzle below handles multiple bridges. But there are a + * some boards that don't follow the PCI spec's suggestion so we + * break this piece out separately. + */ +static inline unsigned char bridge_swizzle(unsigned char pin, + unsigned char idsel) +{ + return (((pin-1) + idsel) % 4) + 1; +} + +/* + * The following macro is used to lookup irqs in a standard table + * format for those PPC systems that do not already have PCI + * interrupts properly routed. + */ +/* FIXME - double check this */ +#define PCI_IRQ_TABLE_LOOKUP ({ \ + long _ctl_ = -1; \ + if (idsel >= min_idsel && idsel <= max_idsel && pin <= irqs_per_slot) \ + _ctl_ = pci_irq_table[idsel - min_idsel][pin-1]; \ + _ctl_; \ +}) + +/* + * Scan the buses below a given PCI host bridge and assign suitable + * resources to all devices found. + */ +extern int pciauto_bus_scan(struct pci_controller *, int); + +#ifdef CONFIG_PCI +extern unsigned long pci_address_to_pio(phys_addr_t address); +#else +static inline unsigned long pci_address_to_pio(phys_addr_t address) +{ + return (unsigned long)-1; +} +#endif + +#endif /* _ASM_TILE_PCI_BRIDGE_H */ diff --git a/arch/tile/include/asm/pci.h b/arch/tile/include/asm/pci.h new file mode 100644 index 0000000..b0c15da --- /dev/null +++ b/arch/tile/include/asm/pci.h @@ -0,0 +1,128 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_PCI_H +#define _ASM_TILE_PCI_H + +#include <asm/pci-bridge.h> + +/* + * The hypervisor maps the entirety of CPA-space as bus addresses, so + * bus addresses are physical addresses. The networking and block + * device layers use this boolean for bounce buffer decisions. + */ +#define PCI_DMA_BUS_IS_PHYS 1 + +struct pci_controller *pci_bus_to_hose(int bus); +unsigned char __init common_swizzle(struct pci_dev *dev, unsigned char *pinp); +int __init tile_pci_init(void); +void pci_iounmap(struct pci_dev *dev, void __iomem *addr); +void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max); +void __devinit pcibios_fixup_bus(struct pci_bus *bus); + +int __devinit _tile_cfg_read(struct pci_controller *hose, + int bus, + int slot, + int function, + int offset, + int size, + u32 *val); +int __devinit _tile_cfg_write(struct pci_controller *hose, + int bus, + int slot, + int function, + int offset, + int size, + u32 val); + +/* + * These are used to to config reads and writes in the early stages of + * setup before the driver infrastructure has been set up enough to be + * able to do config reads and writes. + */ +#define early_cfg_read(where, size, value) \ + _tile_cfg_read(controller, \ + current_bus, \ + pci_slot, \ + pci_fn, \ + where, \ + size, \ + value) + +#define early_cfg_write(where, size, value) \ + _tile_cfg_write(controller, \ + current_bus, \ + pci_slot, \ + pci_fn, \ + where, \ + size, \ + value) + + + +#define PCICFG_BYTE 1 +#define PCICFG_WORD 2 +#define PCICFG_DWORD 4 + +#define TILE_NUM_PCIE 2 + +#define pci_domain_nr(bus) (((struct pci_controller *)(bus)->sysdata)->index) + +/* + * This decides whether to display the domain number in /proc. + */ +static inline int pci_proc_domain(struct pci_bus *bus) +{ + return 1; +} + +/* + * I/O space is currently not supported. + */ + +#define TILE_PCIE_LOWER_IO 0x0 +#define TILE_PCIE_UPPER_IO 0x10000 +#define TILE_PCIE_PCIE_IO_SIZE 0x0000FFFF + +#define _PAGE_NO_CACHE 0 +#define _PAGE_GUARDED 0 + + +#define pcibios_assign_all_busses() pci_assign_all_buses +extern int pci_assign_all_buses; + +static inline void pcibios_set_master(struct pci_dev *dev) +{ + /* No special bus mastering setup handling */ +} + +#define PCIBIOS_MIN_MEM 0 +#define PCIBIOS_MIN_IO TILE_PCIE_LOWER_IO + +/* + * This flag tells if the platform is TILEmpower that needs + * special configuration for the PLX switch chip. + */ +extern int blade_pci; + +/* implement the pci_ DMA API in terms of the generic device dma_ one */ +#include <asm-generic/pci-dma-compat.h> + +/* generic pci stuff */ +#include <asm-generic/pci.h> + +/* Use any cpu for PCI. */ +#define cpumask_of_pcibus(bus) cpu_online_mask + +#endif /* _ASM_TILE_PCI_H */ diff --git a/arch/tile/include/asm/percpu.h b/arch/tile/include/asm/percpu.h new file mode 100644 index 0000000..63294f5 --- /dev/null +++ b/arch/tile/include/asm/percpu.h @@ -0,0 +1,24 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_PERCPU_H +#define _ASM_TILE_PERCPU_H + +register unsigned long __my_cpu_offset __asm__("tp"); +#define __my_cpu_offset __my_cpu_offset +#define set_my_cpu_offset(tp) (__my_cpu_offset = (tp)) + +#include <asm-generic/percpu.h> + +#endif /* _ASM_TILE_PERCPU_H */ diff --git a/arch/tile/include/asm/pgalloc.h b/arch/tile/include/asm/pgalloc.h new file mode 100644 index 0000000..cf52791 --- /dev/null +++ b/arch/tile/include/asm/pgalloc.h @@ -0,0 +1,119 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_PGALLOC_H +#define _ASM_TILE_PGALLOC_H + +#include <linux/threads.h> +#include <linux/mm.h> +#include <linux/mmzone.h> +#include <asm/fixmap.h> +#include <hv/hypervisor.h> + +/* Bits for the size of the second-level page table. */ +#define L2_KERNEL_PGTABLE_SHIFT \ + (HV_LOG2_PAGE_SIZE_LARGE - HV_LOG2_PAGE_SIZE_SMALL + HV_LOG2_PTE_SIZE) + +/* We currently allocate user L2 page tables by page (unlike kernel L2s). */ +#if L2_KERNEL_PGTABLE_SHIFT < HV_LOG2_PAGE_SIZE_SMALL +#define L2_USER_PGTABLE_SHIFT HV_LOG2_PAGE_SIZE_SMALL +#else +#define L2_USER_PGTABLE_SHIFT L2_KERNEL_PGTABLE_SHIFT +#endif + +/* How many pages do we need, as an "order", for a user L2 page table? */ +#define L2_USER_PGTABLE_ORDER (L2_USER_PGTABLE_SHIFT - HV_LOG2_PAGE_SIZE_SMALL) + +/* How big is a kernel L2 page table? */ +#define L2_KERNEL_PGTABLE_SIZE (1 << L2_KERNEL_PGTABLE_SHIFT) + +static inline void set_pmd(pmd_t *pmdp, pmd_t pmd) +{ +#ifdef CONFIG_64BIT + set_pte_order(pmdp, pmd, L2_USER_PGTABLE_ORDER); +#else + set_pte_order(&pmdp->pud.pgd, pmd.pud.pgd, L2_USER_PGTABLE_ORDER); +#endif +} + +static inline void pmd_populate_kernel(struct mm_struct *mm, + pmd_t *pmd, pte_t *ptep) +{ + set_pmd(pmd, ptfn_pmd(__pa(ptep) >> HV_LOG2_PAGE_TABLE_ALIGN, + __pgprot(_PAGE_PRESENT))); +} + +static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, + pgtable_t page) +{ + set_pmd(pmd, ptfn_pmd(HV_PFN_TO_PTFN(page_to_pfn(page)), + __pgprot(_PAGE_PRESENT))); +} + +/* + * Allocate and free page tables. + */ + +extern pgd_t *pgd_alloc(struct mm_struct *mm); +extern void pgd_free(struct mm_struct *mm, pgd_t *pgd); + +extern pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address); +extern void pte_free(struct mm_struct *mm, struct page *pte); + +#define pmd_pgtable(pmd) pmd_page(pmd) + +static inline pte_t * +pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address) +{ + return pfn_to_kaddr(page_to_pfn(pte_alloc_one(mm, address))); +} + +static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) +{ + BUG_ON((unsigned long)pte & (PAGE_SIZE-1)); + pte_free(mm, virt_to_page(pte)); +} + +extern void __pte_free_tlb(struct mmu_gather *tlb, struct page *pte, + unsigned long address); + +#define check_pgt_cache() do { } while (0) + +/* + * Get the small-page pte_t lowmem entry for a given pfn. + * This may or may not be in use, depending on whether the initial + * huge-page entry for the page has already been shattered. + */ +pte_t *get_prealloc_pte(unsigned long pfn); + +/* During init, we can shatter kernel huge pages if needed. */ +void shatter_pmd(pmd_t *pmd); + +#ifdef __tilegx__ +/* We share a single page allocator for both L1 and L2 page tables. */ +#if HV_L1_SIZE != HV_L2_SIZE +# error Rework assumption that L1 and L2 page tables are same size. +#endif +#define L1_USER_PGTABLE_ORDER L2_USER_PGTABLE_ORDER +#define pud_populate(mm, pud, pmd) \ + pmd_populate_kernel((mm), (pmd_t *)(pud), (pte_t *)(pmd)) +#define pmd_alloc_one(mm, addr) \ + ((pmd_t *)page_to_virt(pte_alloc_one((mm), (addr)))) +#define pmd_free(mm, pmdp) \ + pte_free((mm), virt_to_page(pmdp)) +#define __pmd_free_tlb(tlb, pmdp, address) \ + __pte_free_tlb((tlb), virt_to_page(pmdp), (address)) +#endif + +#endif /* _ASM_TILE_PGALLOC_H */ diff --git a/arch/tile/include/asm/pgtable.h b/arch/tile/include/asm/pgtable.h new file mode 100644 index 0000000..beb1504 --- /dev/null +++ b/arch/tile/include/asm/pgtable.h @@ -0,0 +1,475 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + * + * This file contains the functions and defines necessary to modify and use + * the TILE page table tree. + */ + +#ifndef _ASM_TILE_PGTABLE_H +#define _ASM_TILE_PGTABLE_H + +#include <hv/hypervisor.h> + +#ifndef __ASSEMBLY__ + +#include <linux/bitops.h> +#include <linux/threads.h> +#include <linux/slab.h> +#include <linux/list.h> +#include <linux/spinlock.h> +#include <asm/processor.h> +#include <asm/fixmap.h> +#include <asm/system.h> + +struct mm_struct; +struct vm_area_struct; + +/* + * ZERO_PAGE is a global shared page that is always zero: used + * for zero-mapped memory areas etc.. + */ +extern unsigned long empty_zero_page[PAGE_SIZE/sizeof(unsigned long)]; +#define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page)) + +extern pgd_t swapper_pg_dir[]; +extern pgprot_t swapper_pgprot; +extern struct kmem_cache *pgd_cache; +extern spinlock_t pgd_lock; +extern struct list_head pgd_list; + +/* + * The very last slots in the pgd_t are for addresses unusable by Linux + * (pgd_addr_invalid() returns true). So we use them for the list structure. + * The x86 code we are modelled on uses the page->private/index fields + * (older 2.6 kernels) or the lru list (newer 2.6 kernels), but since + * our pgds are so much smaller than a page, it seems a waste to + * spend a whole page on each pgd. + */ +#define PGD_LIST_OFFSET \ + ((PTRS_PER_PGD * sizeof(pgd_t)) - sizeof(struct list_head)) +#define pgd_to_list(pgd) \ + ((struct list_head *)((char *)(pgd) + PGD_LIST_OFFSET)) +#define list_to_pgd(list) \ + ((pgd_t *)((char *)(list) - PGD_LIST_OFFSET)) + +extern void pgtable_cache_init(void); +extern void paging_init(void); +extern void set_page_homes(void); + +#define FIRST_USER_ADDRESS 0 + +#define _PAGE_PRESENT HV_PTE_PRESENT +#define _PAGE_HUGE_PAGE HV_PTE_PAGE +#define _PAGE_READABLE HV_PTE_READABLE +#define _PAGE_WRITABLE HV_PTE_WRITABLE +#define _PAGE_EXECUTABLE HV_PTE_EXECUTABLE +#define _PAGE_ACCESSED HV_PTE_ACCESSED +#define _PAGE_DIRTY HV_PTE_DIRTY +#define _PAGE_GLOBAL HV_PTE_GLOBAL +#define _PAGE_USER HV_PTE_USER + +/* + * All the "standard" bits. Cache-control bits are managed elsewhere. + * This is used to test for valid level-2 page table pointers by checking + * all the bits, and to mask away the cache control bits for mprotect. + */ +#define _PAGE_ALL (\ + _PAGE_PRESENT | \ + _PAGE_HUGE_PAGE | \ + _PAGE_READABLE | \ + _PAGE_WRITABLE | \ + _PAGE_EXECUTABLE | \ + _PAGE_ACCESSED | \ + _PAGE_DIRTY | \ + _PAGE_GLOBAL | \ + _PAGE_USER \ +) + +#define PAGE_NONE \ + __pgprot(_PAGE_PRESENT | _PAGE_ACCESSED) +#define PAGE_SHARED \ + __pgprot(_PAGE_PRESENT | _PAGE_READABLE | _PAGE_WRITABLE | \ + _PAGE_USER | _PAGE_ACCESSED) + +#define PAGE_SHARED_EXEC \ + __pgprot(_PAGE_PRESENT | _PAGE_READABLE | _PAGE_WRITABLE | \ + _PAGE_EXECUTABLE | _PAGE_USER | _PAGE_ACCESSED) +#define PAGE_COPY_NOEXEC \ + __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_ACCESSED | _PAGE_READABLE) +#define PAGE_COPY_EXEC \ + __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_ACCESSED | \ + _PAGE_READABLE | _PAGE_EXECUTABLE) +#define PAGE_COPY \ + PAGE_COPY_NOEXEC +#define PAGE_READONLY \ + __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_ACCESSED | _PAGE_READABLE) +#define PAGE_READONLY_EXEC \ + __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_ACCESSED | \ + _PAGE_READABLE | _PAGE_EXECUTABLE) + +#define _PAGE_KERNEL_RO \ + (_PAGE_PRESENT | _PAGE_GLOBAL | _PAGE_READABLE | _PAGE_ACCESSED) +#define _PAGE_KERNEL \ + (_PAGE_KERNEL_RO | _PAGE_WRITABLE | _PAGE_DIRTY) +#define _PAGE_KERNEL_EXEC (_PAGE_KERNEL_RO | _PAGE_EXECUTABLE) + +#define PAGE_KERNEL __pgprot(_PAGE_KERNEL) +#define PAGE_KERNEL_RO __pgprot(_PAGE_KERNEL_RO) +#define PAGE_KERNEL_EXEC __pgprot(_PAGE_KERNEL_EXEC) + +#define page_to_kpgprot(p) PAGE_KERNEL + +/* + * We could tighten these up, but for now writable or executable + * implies readable. + */ +#define __P000 PAGE_NONE +#define __P001 PAGE_READONLY +#define __P010 PAGE_COPY /* this is write-only, which we won't support */ +#define __P011 PAGE_COPY +#define __P100 PAGE_READONLY_EXEC +#define __P101 PAGE_READONLY_EXEC +#define __P110 PAGE_COPY_EXEC +#define __P111 PAGE_COPY_EXEC + +#define __S000 PAGE_NONE +#define __S001 PAGE_READONLY +#define __S010 PAGE_SHARED +#define __S011 PAGE_SHARED +#define __S100 PAGE_READONLY_EXEC +#define __S101 PAGE_READONLY_EXEC +#define __S110 PAGE_SHARED_EXEC +#define __S111 PAGE_SHARED_EXEC + +/* + * All the normal _PAGE_ALL bits are ignored for PMDs, except PAGE_PRESENT + * and PAGE_HUGE_PAGE, which must be one and zero, respectively. + * We set the ignored bits to zero. + */ +#define _PAGE_TABLE _PAGE_PRESENT + +/* Inherit the caching flags from the old protection bits. */ +#define pgprot_modify(oldprot, newprot) \ + (pgprot_t) { ((oldprot).val & ~_PAGE_ALL) | (newprot).val } + +/* Just setting the PFN to zero suffices. */ +#define pte_pgprot(x) hv_pte_set_pfn((x), 0) + +/* + * For PTEs and PDEs, we must clear the Present bit first when + * clearing a page table entry, so clear the bottom half first and + * enforce ordering with a barrier. + */ +static inline void __pte_clear(pte_t *ptep) +{ +#ifdef __tilegx__ + ptep->val = 0; +#else + u32 *tmp = (u32 *)ptep; + tmp[0] = 0; + barrier(); + tmp[1] = 0; +#endif +} +#define pte_clear(mm, addr, ptep) __pte_clear(ptep) + +/* + * The following only work if pte_present() is true. + * Undefined behaviour if not.. + */ +#define pte_present hv_pte_get_present +#define pte_user hv_pte_get_user +#define pte_read hv_pte_get_readable +#define pte_dirty hv_pte_get_dirty +#define pte_young hv_pte_get_accessed +#define pte_write hv_pte_get_writable +#define pte_exec hv_pte_get_executable +#define pte_huge hv_pte_get_page +#define pte_rdprotect hv_pte_clear_readable +#define pte_exprotect hv_pte_clear_executable +#define pte_mkclean hv_pte_clear_dirty +#define pte_mkold hv_pte_clear_accessed +#define pte_wrprotect hv_pte_clear_writable +#define pte_mksmall hv_pte_clear_page +#define pte_mkread hv_pte_set_readable +#define pte_mkexec hv_pte_set_executable +#define pte_mkdirty hv_pte_set_dirty +#define pte_mkyoung hv_pte_set_accessed +#define pte_mkwrite hv_pte_set_writable +#define pte_mkhuge hv_pte_set_page + +#define pte_special(pte) 0 +#define pte_mkspecial(pte) (pte) + +/* + * Use some spare bits in the PTE for user-caching tags. + */ +#define pte_set_forcecache hv_pte_set_client0 +#define pte_get_forcecache hv_pte_get_client0 +#define pte_clear_forcecache hv_pte_clear_client0 +#define pte_set_anyhome hv_pte_set_client1 +#define pte_get_anyhome hv_pte_get_client1 +#define pte_clear_anyhome hv_pte_clear_client1 + +/* + * A migrating PTE has PAGE_PRESENT clear but all the other bits preserved. + */ +#define pte_migrating hv_pte_get_migrating +#define pte_mkmigrate(x) hv_pte_set_migrating(hv_pte_clear_present(x)) +#define pte_donemigrate(x) hv_pte_set_present(hv_pte_clear_migrating(x)) + +#define pte_ERROR(e) \ + printk("%s:%d: bad pte 0x%016llx.\n", __FILE__, __LINE__, pte_val(e)) +#define pgd_ERROR(e) \ + printk("%s:%d: bad pgd 0x%016llx.\n", __FILE__, __LINE__, pgd_val(e)) + +/* + * set_pte_order() sets the given PTE and also sanity-checks the + * requested PTE against the page homecaching. Unspecified parts + * of the PTE are filled in when it is written to memory, i.e. all + * caching attributes if "!forcecache", or the home cpu if "anyhome". + */ +extern void set_pte_order(pte_t *ptep, pte_t pte, int order); + +#define set_pte(ptep, pteval) set_pte_order(ptep, pteval, 0) +#define set_pte_at(mm, addr, ptep, pteval) set_pte(ptep, pteval) +#define set_pte_atomic(pteptr, pteval) set_pte(pteptr, pteval) + +#define pte_page(x) pfn_to_page(pte_pfn(x)) + +static inline int pte_none(pte_t pte) +{ + return !pte.val; +} + +static inline unsigned long pte_pfn(pte_t pte) +{ + return hv_pte_get_pfn(pte); +} + +/* Set or get the remote cache cpu in a pgprot with remote caching. */ +extern pgprot_t set_remote_cache_cpu(pgprot_t prot, int cpu); +extern int get_remote_cache_cpu(pgprot_t prot); + +static inline pte_t pfn_pte(unsigned long pfn, pgprot_t prot) +{ + return hv_pte_set_pfn(prot, pfn); +} + +/* Support for priority mappings. */ +extern void start_mm_caching(struct mm_struct *mm); +extern void check_mm_caching(struct mm_struct *prev, struct mm_struct *next); + +/* + * Support non-linear file mappings (see sys_remap_file_pages). + * This is defined by CLIENT1 set but CLIENT0 and _PAGE_PRESENT clear, and the + * file offset in the 32 high bits. + */ +#define _PAGE_FILE HV_PTE_CLIENT1 +#define PTE_FILE_MAX_BITS 32 +#define pte_file(pte) (hv_pte_get_client1(pte) && !hv_pte_get_client0(pte)) +#define pte_to_pgoff(pte) ((pte).val >> 32) +#define pgoff_to_pte(off) ((pte_t) { (((long long)(off)) << 32) | _PAGE_FILE }) + +/* + * Encode and de-code a swap entry (see <linux/swapops.h>). + * We put the swap file type+offset in the 32 high bits; + * I believe we can just leave the low bits clear. + */ +#define __swp_type(swp) ((swp).val & 0x1f) +#define __swp_offset(swp) ((swp).val >> 5) +#define __swp_entry(type, off) ((swp_entry_t) { (type) | ((off) << 5) }) +#define __pte_to_swp_entry(pte) ((swp_entry_t) { (pte).val >> 32 }) +#define __swp_entry_to_pte(swp) ((pte_t) { (((long long) ((swp).val)) << 32) }) + +/* + * clone_pgd_range(pgd_t *dst, pgd_t *src, int count); + * + * dst - pointer to pgd range anwhere on a pgd page + * src - "" + * count - the number of pgds to copy. + * + * dst and src can be on the same page, but the range must not overlap, + * and must not cross a page boundary. + */ +static inline void clone_pgd_range(pgd_t *dst, pgd_t *src, int count) +{ + memcpy(dst, src, count * sizeof(pgd_t)); +} + +/* + * Conversion functions: convert a page and protection to a page entry, + * and a page entry and page directory to the page they refer to. + */ + +#define mk_pte(page, pgprot) pfn_pte(page_to_pfn(page), (pgprot)) + +/* + * If we are doing an mprotect(), just accept the new vma->vm_page_prot + * value and combine it with the PFN from the old PTE to get a new PTE. + */ +static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) +{ + return pfn_pte(hv_pte_get_pfn(pte), newprot); +} + +/* + * The pgd page can be thought of an array like this: pgd_t[PTRS_PER_PGD] + * + * This macro returns the index of the entry in the pgd page which would + * control the given virtual address. + */ +#define pgd_index(address) (((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD - 1)) + +/* + * pgd_offset() returns a (pgd_t *) + * pgd_index() is used get the offset into the pgd page's array of pgd_t's. + */ +#define pgd_offset(mm, address) ((mm)->pgd + pgd_index(address)) + +/* + * A shortcut which implies the use of the kernel's pgd, instead + * of a process's. + */ +#define pgd_offset_k(address) pgd_offset(&init_mm, address) + +#if defined(CONFIG_HIGHPTE) +extern pte_t *_pte_offset_map(pmd_t *, unsigned long address, enum km_type); +#define pte_offset_map(dir, address) \ + _pte_offset_map(dir, address, KM_PTE0) +#define pte_offset_map_nested(dir, address) \ + _pte_offset_map(dir, address, KM_PTE1) +#define pte_unmap(pte) kunmap_atomic(pte, KM_PTE0) +#define pte_unmap_nested(pte) kunmap_atomic(pte, KM_PTE1) +#else +#define pte_offset_map(dir, address) pte_offset_kernel(dir, address) +#define pte_offset_map_nested(dir, address) pte_offset_map(dir, address) +#define pte_unmap(pte) do { } while (0) +#define pte_unmap_nested(pte) do { } while (0) +#endif + +/* Clear a non-executable kernel PTE and flush it from the TLB. */ +#define kpte_clear_flush(ptep, vaddr) \ +do { \ + pte_clear(&init_mm, (vaddr), (ptep)); \ + local_flush_tlb_page(FLUSH_NONEXEC, (vaddr), PAGE_SIZE); \ +} while (0) + +/* + * The kernel page tables contain what we need, and we flush when we + * change specific page table entries. + */ +#define update_mmu_cache(vma, address, pte) do { } while (0) + +#ifdef CONFIG_FLATMEM +#define kern_addr_valid(addr) (1) +#endif /* CONFIG_FLATMEM */ + +#define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ + remap_pfn_range(vma, vaddr, pfn, size, prot) + +extern void vmalloc_sync_all(void); + +#endif /* !__ASSEMBLY__ */ + +#ifdef __tilegx__ +#include <asm/pgtable_64.h> +#else +#include <asm/pgtable_32.h> +#endif + +#ifndef __ASSEMBLY__ + +static inline int pmd_none(pmd_t pmd) +{ + /* + * Only check low word on 32-bit platforms, since it might be + * out of sync with upper half. + */ + return (unsigned long)pmd_val(pmd) == 0; +} + +static inline int pmd_present(pmd_t pmd) +{ + return pmd_val(pmd) & _PAGE_PRESENT; +} + +static inline int pmd_bad(pmd_t pmd) +{ + return ((pmd_val(pmd) & _PAGE_ALL) != _PAGE_TABLE); +} + +static inline unsigned long pages_to_mb(unsigned long npg) +{ + return npg >> (20 - PAGE_SHIFT); +} + +/* + * The pmd can be thought of an array like this: pmd_t[PTRS_PER_PMD] + * + * This function returns the index of the entry in the pmd which would + * control the given virtual address. + */ +static inline unsigned long pmd_index(unsigned long address) +{ + return (address >> PMD_SHIFT) & (PTRS_PER_PMD - 1); +} + +/* + * A given kernel pmd_t maps to a specific virtual address (either a + * kernel huge page or a kernel pte_t table). Since kernel pte_t + * tables can be aligned at sub-page granularity, this function can + * return non-page-aligned pointers, despite its name. + */ +static inline unsigned long pmd_page_vaddr(pmd_t pmd) +{ + phys_addr_t pa = + (phys_addr_t)pmd_ptfn(pmd) << HV_LOG2_PAGE_TABLE_ALIGN; + return (unsigned long)__va(pa); +} + +/* + * A pmd_t points to the base of a huge page or to a pte_t array. + * If a pte_t array, since we can have multiple per page, we don't + * have a one-to-one mapping of pmd_t's to pages. However, this is + * OK for pte_lockptr(), since we just end up with potentially one + * lock being used for several pte_t arrays. + */ +#define pmd_page(pmd) pfn_to_page(HV_PTFN_TO_PFN(pmd_ptfn(pmd))) + +/* + * The pte page can be thought of an array like this: pte_t[PTRS_PER_PTE] + * + * This macro returns the index of the entry in the pte page which would + * control the given virtual address. + */ +static inline unsigned long pte_index(unsigned long address) +{ + return (address >> PAGE_SHIFT) & (PTRS_PER_PTE - 1); +} + +static inline pte_t *pte_offset_kernel(pmd_t *pmd, unsigned long address) +{ + return (pte_t *)pmd_page_vaddr(*pmd) + pte_index(address); +} + +static inline int pmd_huge_page(pmd_t pmd) +{ + return pmd_val(pmd) & _PAGE_HUGE_PAGE; +} + +#include <asm-generic/pgtable.h> + +#endif /* !__ASSEMBLY__ */ + +#endif /* _ASM_TILE_PGTABLE_H */ diff --git a/arch/tile/include/asm/pgtable_32.h b/arch/tile/include/asm/pgtable_32.h new file mode 100644 index 0000000..b935fb2 --- /dev/null +++ b/arch/tile/include/asm/pgtable_32.h @@ -0,0 +1,117 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + * + */ + +#ifndef _ASM_TILE_PGTABLE_32_H +#define _ASM_TILE_PGTABLE_32_H + +/* + * The level-1 index is defined by the huge page size. A PGD is composed + * of PTRS_PER_PGD pgd_t's and is the top level of the page table. + */ +#define PGDIR_SHIFT HV_LOG2_PAGE_SIZE_LARGE +#define PGDIR_SIZE HV_PAGE_SIZE_LARGE +#define PGDIR_MASK (~(PGDIR_SIZE-1)) +#define PTRS_PER_PGD (1 << (32 - PGDIR_SHIFT)) + +/* + * The level-2 index is defined by the difference between the huge + * page size and the normal page size. A PTE is composed of + * PTRS_PER_PTE pte_t's and is the bottom level of the page table. + * Note that the hypervisor docs use PTE for what we call pte_t, so + * this nomenclature is somewhat confusing. + */ +#define PTRS_PER_PTE (1 << (HV_LOG2_PAGE_SIZE_LARGE - HV_LOG2_PAGE_SIZE_SMALL)) + +#ifndef __ASSEMBLY__ + +/* + * Right now we initialize only a single pte table. It can be extended + * easily, subsequent pte tables have to be allocated in one physical + * chunk of RAM. + * + * HOWEVER, if we are using an allocation scheme with slop after the + * end of the page table (e.g. where our L2 page tables are 2KB but + * our pages are 64KB and we are allocating via the page allocator) + * we can't extend it easily. + */ +#define LAST_PKMAP PTRS_PER_PTE + +#define PKMAP_BASE ((FIXADDR_BOOT_START - PAGE_SIZE*LAST_PKMAP) & PGDIR_MASK) + +#ifdef CONFIG_HIGHMEM +# define __VMAPPING_END (PKMAP_BASE & ~(HPAGE_SIZE-1)) +#else +# define __VMAPPING_END (FIXADDR_START & ~(HPAGE_SIZE-1)) +#endif + +#ifdef CONFIG_HUGEVMAP +#define HUGE_VMAP_END __VMAPPING_END +#define HUGE_VMAP_BASE (HUGE_VMAP_END - CONFIG_NR_HUGE_VMAPS * HPAGE_SIZE) +#define _VMALLOC_END HUGE_VMAP_BASE +#else +#define _VMALLOC_END __VMAPPING_END +#endif + +/* + * Align the vmalloc area to an L2 page table, and leave a guard page + * at the beginning and end. The vmalloc code also puts in an internal + * guard page between each allocation. + */ +#define VMALLOC_END (_VMALLOC_END - PAGE_SIZE) +extern unsigned long VMALLOC_RESERVE /* = CONFIG_VMALLOC_RESERVE */; +#define _VMALLOC_START (_VMALLOC_END - VMALLOC_RESERVE) +#define VMALLOC_START (_VMALLOC_START + PAGE_SIZE) + +/* This is the maximum possible amount of lowmem. */ +#define MAXMEM (_VMALLOC_START - PAGE_OFFSET) + +/* We have no pmd or pud since we are strictly a two-level page table */ +#include <asm-generic/pgtable-nopmd.h> + +/* We don't define any pgds for these addresses. */ +static inline int pgd_addr_invalid(unsigned long addr) +{ + return addr >= MEM_HV_INTRPT; +} + +/* + * Provide versions of these routines that can be used safely when + * the hypervisor may be asynchronously modifying dirty/accessed bits. + */ +#define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG +#define __HAVE_ARCH_PTEP_SET_WRPROTECT + +extern int ptep_test_and_clear_young(struct vm_area_struct *, + unsigned long addr, pte_t *); +extern void ptep_set_wrprotect(struct mm_struct *, + unsigned long addr, pte_t *); + +/* Create a pmd from a PTFN. */ +static inline pmd_t ptfn_pmd(unsigned long ptfn, pgprot_t prot) +{ + return (pmd_t){ { hv_pte_set_ptfn(prot, ptfn) } }; +} + +/* Return the page-table frame number (ptfn) that a pmd_t points at. */ +#define pmd_ptfn(pmd) hv_pte_get_ptfn((pmd).pud.pgd) + +static inline void pmd_clear(pmd_t *pmdp) +{ + __pte_clear(&pmdp->pud.pgd); +} + +#endif /* __ASSEMBLY__ */ + +#endif /* _ASM_TILE_PGTABLE_32_H */ diff --git a/arch/tile/include/asm/poll.h b/arch/tile/include/asm/poll.h new file mode 100644 index 0000000..c98509d --- /dev/null +++ b/arch/tile/include/asm/poll.h @@ -0,0 +1 @@ +#include <asm-generic/poll.h> diff --git a/arch/tile/include/asm/posix_types.h b/arch/tile/include/asm/posix_types.h new file mode 100644 index 0000000..22cae62 --- /dev/null +++ b/arch/tile/include/asm/posix_types.h @@ -0,0 +1 @@ +#include <asm-generic/posix_types.h> diff --git a/arch/tile/include/asm/processor.h b/arch/tile/include/asm/processor.h new file mode 100644 index 0000000..96c50d2 --- /dev/null +++ b/arch/tile/include/asm/processor.h @@ -0,0 +1,339 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_PROCESSOR_H +#define _ASM_TILE_PROCESSOR_H + +#ifndef __ASSEMBLY__ + +/* + * NOTE: we don't include <linux/ptrace.h> or <linux/percpu.h> as one + * normally would, due to #include dependencies. + */ +#include <asm/ptrace.h> +#include <asm/percpu.h> + +#include <arch/chip.h> +#include <arch/spr_def.h> + +struct task_struct; +struct thread_struct; +struct list_head; + +typedef struct { + unsigned long seg; +} mm_segment_t; + +/* + * Default implementation of macro that returns current + * instruction pointer ("program counter"). + */ +void *current_text_addr(void); + +#if CHIP_HAS_TILE_DMA() +/* Capture the state of a suspended DMA. */ +struct tile_dma_state { + int enabled; + unsigned long src; + unsigned long dest; + unsigned long strides; + unsigned long chunk_size; + unsigned long src_chunk; + unsigned long dest_chunk; + unsigned long byte; + unsigned long status; +}; + +/* + * A mask of the DMA status register for selecting only the 'running' + * and 'done' bits. + */ +#define DMA_STATUS_MASK \ + (SPR_DMA_STATUS__RUNNING_MASK | SPR_DMA_STATUS__DONE_MASK) +#endif + +/* + * Track asynchronous TLB events (faults and access violations) + * that occur while we are in kernel mode from DMA or the SN processor. + */ +struct async_tlb { + short fault_num; /* original fault number; 0 if none */ + char is_fault; /* was it a fault (vs an access violation) */ + char is_write; /* for fault: was it caused by a write? */ + unsigned long address; /* what address faulted? */ +}; + + +struct thread_struct { + /* kernel stack pointer */ + unsigned long ksp; + /* kernel PC */ + unsigned long pc; + /* starting user stack pointer (for page migration) */ + unsigned long usp0; + /* pid of process that created this one */ + pid_t creator_pid; +#if CHIP_HAS_TILE_DMA() + /* DMA info for suspended threads (byte == 0 means no DMA state) */ + struct tile_dma_state tile_dma_state; +#endif + /* User EX_CONTEXT registers */ + unsigned long ex_context[2]; + /* User SYSTEM_SAVE registers */ + unsigned long system_save[4]; + /* User interrupt mask */ + unsigned long long interrupt_mask; + /* User interrupt-control 0 state */ + unsigned long intctrl_0; +#if CHIP_HAS_PROC_STATUS_SPR() + /* Any other miscellaneous processor state bits */ + unsigned long proc_status; +#endif +#if CHIP_HAS_TILE_DMA() + /* Async DMA TLB fault information */ + struct async_tlb dma_async_tlb; +#endif +#if CHIP_HAS_SN_PROC() + /* Was static network processor when we were switched out? */ + int sn_proc_running; + /* Async SNI TLB fault information */ + struct async_tlb sn_async_tlb; +#endif +}; + +#endif /* !__ASSEMBLY__ */ + +/* + * Start with "sp" this many bytes below the top of the kernel stack. + * This preserves the invariant that a called function may write to *sp. + */ +#define STACK_TOP_DELTA 8 + +/* + * When entering the kernel via a fault, start with the top of the + * pt_regs structure this many bytes below the top of the page. + * This aligns the pt_regs structure optimally for cache-line access. + */ +#ifdef __tilegx__ +#define KSTK_PTREGS_GAP 48 +#else +#define KSTK_PTREGS_GAP 56 +#endif + +#ifndef __ASSEMBLY__ + +#ifdef __tilegx__ +#define TASK_SIZE_MAX (MEM_LOW_END + 1) +#else +#define TASK_SIZE_MAX PAGE_OFFSET +#endif + +/* TASK_SIZE and related variables are always checked in "current" context. */ +#ifdef CONFIG_COMPAT +#define COMPAT_TASK_SIZE (1UL << 31) +#define TASK_SIZE ((current_thread_info()->status & TS_COMPAT) ?\ + COMPAT_TASK_SIZE : TASK_SIZE_MAX) +#else +#define TASK_SIZE TASK_SIZE_MAX +#endif + +/* We provide a minimal "vdso" a la x86; just the sigreturn code for now. */ +#define VDSO_BASE (TASK_SIZE - PAGE_SIZE) + +#define STACK_TOP VDSO_BASE + +/* STACK_TOP_MAX is used temporarily in execve and should not check COMPAT. */ +#define STACK_TOP_MAX TASK_SIZE_MAX + +/* + * This decides where the kernel will search for a free chunk of vm + * space during mmap's, if it is using bottom-up mapping. + */ +#define TASK_UNMAPPED_BASE (PAGE_ALIGN(TASK_SIZE / 3)) + +#define HAVE_ARCH_PICK_MMAP_LAYOUT + +#define INIT_THREAD { \ + .ksp = (unsigned long)init_stack + THREAD_SIZE - STACK_TOP_DELTA, \ + .interrupt_mask = -1ULL \ +} + +/* Kernel stack top for the task that first boots on this cpu. */ +DECLARE_PER_CPU(unsigned long, boot_sp); + +/* PC to boot from on this cpu. */ +DECLARE_PER_CPU(unsigned long, boot_pc); + +/* Do necessary setup to start up a newly executed thread. */ +static inline void start_thread(struct pt_regs *regs, + unsigned long pc, unsigned long usp) +{ + regs->pc = pc; + regs->sp = usp; +} + +/* Free all resources held by a thread. */ +static inline void release_thread(struct task_struct *dead_task) +{ + /* Nothing for now */ +} + +/* Prepare to copy thread state - unlazy all lazy status. */ +#define prepare_to_copy(tsk) do { } while (0) + +extern int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags); + +/* Helper routines for setting home cache modes at exec() time. */ + + +/* + * Return saved (kernel) PC of a blocked thread. + * Only used in a printk() in kernel/sched.c, so don't work too hard. + */ +#define thread_saved_pc(t) ((t)->thread.pc) + +unsigned long get_wchan(struct task_struct *p); + +/* Return initial ksp value for given task. */ +#define task_ksp0(task) ((unsigned long)(task)->stack + THREAD_SIZE) + +/* Return some info about the user process TASK. */ +#define KSTK_TOP(task) (task_ksp0(task) - STACK_TOP_DELTA) +#define task_pt_regs(task) \ + ((struct pt_regs *)(task_ksp0(task) - KSTK_PTREGS_GAP) - 1) +#define task_sp(task) (task_pt_regs(task)->sp) +#define task_pc(task) (task_pt_regs(task)->pc) +/* Aliases for pc and sp (used in fs/proc/array.c) */ +#define KSTK_EIP(task) task_pc(task) +#define KSTK_ESP(task) task_sp(task) + +/* Standard format for printing registers and other word-size data. */ +#ifdef __tilegx__ +# define REGFMT "0x%016lx" +#else +# define REGFMT "0x%08lx" +#endif + +/* + * Do some slow action (e.g. read a slow SPR). + * Note that this must also have compiler-barrier semantics since + * it may be used in a busy loop reading memory. + */ +static inline void cpu_relax(void) +{ + __insn_mfspr(SPR_PASS); + barrier(); +} + +struct siginfo; +extern void arch_coredump_signal(struct siginfo *, struct pt_regs *); +#define arch_coredump_signal arch_coredump_signal + +/* Provide information about the chip model. */ +extern char chip_model[64]; + +/* Data on which physical memory controller corresponds to which NUMA node. */ +extern int node_controller[]; + + +/* Do we dump information to the console when a user application crashes? */ +extern int show_crashinfo; + +#if CHIP_HAS_CBOX_HOME_MAP() +/* Does the heap allocator return hash-for-home pages by default? */ +extern int hash_default; + +/* Should kernel stack pages be hash-for-home? */ +extern int kstack_hash; +#else +#define hash_default 0 +#define kstack_hash 0 +#endif + +/* Are we using huge pages in the TLB for kernel data? */ +extern int kdata_huge; + +/* + * Note that with OLOC the prefetch will return an unused read word to + * the issuing tile, which will cause some MDN traffic. Benchmarking + * should be done to see whether this outweighs prefetching. + */ +#define ARCH_HAS_PREFETCH +#define ARCH_HAS_PREFETCHW +#define ARCH_HAS_SPINLOCK_PREFETCH + +#define prefetch(ptr) __builtin_prefetch((ptr), 0, 3) +#define prefetchw(ptr) __builtin_prefetch((ptr), 1, 3) + +#ifdef CONFIG_SMP +#define spin_lock_prefetch(ptr) prefetchw(ptr) +#else +/* Nothing to prefetch. */ +#define spin_lock_prefetch(lock) do { } while (0) +#endif + +#else /* __ASSEMBLY__ */ + +/* Do some slow action (e.g. read a slow SPR). */ +#define CPU_RELAX mfspr zero, SPR_PASS + +#endif /* !__ASSEMBLY__ */ + +/* Assembly code assumes that the PL is in the low bits. */ +#if SPR_EX_CONTEXT_1_1__PL_SHIFT != 0 +# error Fix assembly assumptions about PL +#endif + +/* We sometimes use these macros for EX_CONTEXT_0_1 as well. */ +#if SPR_EX_CONTEXT_1_1__PL_SHIFT != SPR_EX_CONTEXT_0_1__PL_SHIFT || \ + SPR_EX_CONTEXT_1_1__PL_RMASK != SPR_EX_CONTEXT_0_1__PL_RMASK || \ + SPR_EX_CONTEXT_1_1__ICS_SHIFT != SPR_EX_CONTEXT_0_1__ICS_SHIFT || \ + SPR_EX_CONTEXT_1_1__ICS_RMASK != SPR_EX_CONTEXT_0_1__ICS_RMASK +# error Fix assumptions that EX1 macros work for both PL0 and PL1 +#endif + +/* Allow pulling apart and recombining the PL and ICS bits in EX_CONTEXT. */ +#define EX1_PL(ex1) \ + (((ex1) >> SPR_EX_CONTEXT_1_1__PL_SHIFT) & SPR_EX_CONTEXT_1_1__PL_RMASK) +#define EX1_ICS(ex1) \ + (((ex1) >> SPR_EX_CONTEXT_1_1__ICS_SHIFT) & SPR_EX_CONTEXT_1_1__ICS_RMASK) +#define PL_ICS_EX1(pl, ics) \ + (((pl) << SPR_EX_CONTEXT_1_1__PL_SHIFT) | \ + ((ics) << SPR_EX_CONTEXT_1_1__ICS_SHIFT)) + +/* + * Provide symbolic constants for PLs. + * Note that assembly code assumes that USER_PL is zero. + */ +#define USER_PL 0 +#define KERNEL_PL 1 + +/* SYSTEM_SAVE_1_0 holds the current cpu number ORed with ksp0. */ +#define CPU_LOG_MASK_VALUE 12 +#define CPU_MASK_VALUE ((1 << CPU_LOG_MASK_VALUE) - 1) +#if CONFIG_NR_CPUS > CPU_MASK_VALUE +# error Too many cpus! +#endif +#define raw_smp_processor_id() \ + ((int)__insn_mfspr(SPR_SYSTEM_SAVE_1_0) & CPU_MASK_VALUE) +#define get_current_ksp0() \ + (__insn_mfspr(SPR_SYSTEM_SAVE_1_0) & ~CPU_MASK_VALUE) +#define next_current_ksp0(task) ({ \ + unsigned long __ksp0 = task_ksp0(task); \ + int __cpu = raw_smp_processor_id(); \ + BUG_ON(__ksp0 & CPU_MASK_VALUE); \ + __ksp0 | __cpu; \ +}) + +#endif /* _ASM_TILE_PROCESSOR_H */ diff --git a/arch/tile/include/asm/ptrace.h b/arch/tile/include/asm/ptrace.h new file mode 100644 index 0000000..4d1d995 --- /dev/null +++ b/arch/tile/include/asm/ptrace.h @@ -0,0 +1,163 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_PTRACE_H +#define _ASM_TILE_PTRACE_H + +#include <arch/chip.h> +#include <arch/abi.h> + +/* These must match struct pt_regs, below. */ +#if CHIP_WORD_SIZE() == 32 +#define PTREGS_OFFSET_REG(n) ((n)*4) +#else +#define PTREGS_OFFSET_REG(n) ((n)*8) +#endif +#define PTREGS_OFFSET_BASE 0 +#define PTREGS_OFFSET_TP PTREGS_OFFSET_REG(53) +#define PTREGS_OFFSET_SP PTREGS_OFFSET_REG(54) +#define PTREGS_OFFSET_LR PTREGS_OFFSET_REG(55) +#define PTREGS_NR_GPRS 56 +#define PTREGS_OFFSET_PC PTREGS_OFFSET_REG(56) +#define PTREGS_OFFSET_EX1 PTREGS_OFFSET_REG(57) +#define PTREGS_OFFSET_FAULTNUM PTREGS_OFFSET_REG(58) +#define PTREGS_OFFSET_ORIG_R0 PTREGS_OFFSET_REG(59) +#define PTREGS_OFFSET_FLAGS PTREGS_OFFSET_REG(60) +#if CHIP_HAS_CMPEXCH() +#define PTREGS_OFFSET_CMPEXCH PTREGS_OFFSET_REG(61) +#endif +#define PTREGS_SIZE PTREGS_OFFSET_REG(64) + +#ifndef __ASSEMBLY__ + +#ifdef __KERNEL__ +/* Benefit from consistent use of "long" on all chips. */ +typedef unsigned long pt_reg_t; +#else +/* Provide appropriate length type to userspace regardless of -m32/-m64. */ +typedef uint_reg_t pt_reg_t; +#endif + +/* + * This struct defines the way the registers are stored on the stack during a + * system call/exception. It should be a multiple of 8 bytes to preserve + * normal stack alignment rules. + * + * Must track <sys/ucontext.h> and <sys/procfs.h> + */ +struct pt_regs { + /* Saved main processor registers; 56..63 are special. */ + /* tp, sp, and lr must immediately follow regs[] for aliasing. */ + pt_reg_t regs[53]; + pt_reg_t tp; /* aliases regs[TREG_TP] */ + pt_reg_t sp; /* aliases regs[TREG_SP] */ + pt_reg_t lr; /* aliases regs[TREG_LR] */ + + /* Saved special registers. */ + pt_reg_t pc; /* stored in EX_CONTEXT_1_0 */ + pt_reg_t ex1; /* stored in EX_CONTEXT_1_1 (PL and ICS bit) */ + pt_reg_t faultnum; /* fault number (INT_SWINT_1 for syscall) */ + pt_reg_t orig_r0; /* r0 at syscall entry, else zero */ + pt_reg_t flags; /* flags (see below) */ +#if !CHIP_HAS_CMPEXCH() + pt_reg_t pad[3]; +#else + pt_reg_t cmpexch; /* value of CMPEXCH_VALUE SPR at interrupt */ + pt_reg_t pad[2]; +#endif +}; + +#endif /* __ASSEMBLY__ */ + +/* Flag bits in pt_regs.flags */ +#define PT_FLAGS_DISABLE_IRQ 1 /* on return to kernel, disable irqs */ +#define PT_FLAGS_CALLER_SAVES 2 /* caller-save registers are valid */ +#define PT_FLAGS_RESTORE_REGS 4 /* restore callee-save regs on return */ + +#define PTRACE_GETREGS 12 +#define PTRACE_SETREGS 13 +#define PTRACE_GETFPREGS 14 +#define PTRACE_SETFPREGS 15 + +/* Support TILE-specific ptrace options, with events starting at 16. */ +#define PTRACE_O_TRACEMIGRATE 0x00010000 +#define PTRACE_EVENT_MIGRATE 16 +#ifdef __KERNEL__ +#define PTRACE_O_MASK_TILE (PTRACE_O_TRACEMIGRATE) +#define PT_TRACE_MIGRATE 0x00080000 +#define PT_TRACE_MASK_TILE (PT_TRACE_MIGRATE) +#endif + +#ifdef __KERNEL__ + +#ifndef __ASSEMBLY__ + +#define instruction_pointer(regs) ((regs)->pc) +#define profile_pc(regs) instruction_pointer(regs) + +/* Does the process account for user or for system time? */ +#define user_mode(regs) (EX1_PL((regs)->ex1) == USER_PL) + +/* Fill in a struct pt_regs with the current kernel registers. */ +struct pt_regs *get_pt_regs(struct pt_regs *); + +extern void show_regs(struct pt_regs *); + +#define arch_has_single_step() (1) + +/* + * A structure for all single-stepper state. + * + * Also update defines in assembler section if it changes + */ +struct single_step_state { + /* the page to which we will write hacked-up bundles */ + void *buffer; + + union { + int flags; + struct { + unsigned long is_enabled:1, update:1, update_reg:6; + }; + }; + + unsigned long orig_pc; /* the original PC */ + unsigned long next_pc; /* return PC if no branch (PC + 1) */ + unsigned long branch_next_pc; /* return PC if we did branch/jump */ + unsigned long update_value; /* value to restore to update_target */ +}; + +/* Single-step the instruction at regs->pc */ +extern void single_step_once(struct pt_regs *regs); + +struct task_struct; + +extern void send_sigtrap(struct task_struct *tsk, struct pt_regs *regs, + int error_code); + +#ifdef __tilegx__ +/* We need this since sigval_t has a user pointer in it, for GETSIGINFO etc. */ +#define __ARCH_WANT_COMPAT_SYS_PTRACE +#endif + +#endif /* !__ASSEMBLY__ */ + +#define SINGLESTEP_STATE_MASK_IS_ENABLED 0x1 +#define SINGLESTEP_STATE_MASK_UPDATE 0x2 +#define SINGLESTEP_STATE_TARGET_LB 2 +#define SINGLESTEP_STATE_TARGET_UB 7 + +#endif /* !__KERNEL__ */ + +#endif /* _ASM_TILE_PTRACE_H */ diff --git a/arch/tile/include/asm/resource.h b/arch/tile/include/asm/resource.h new file mode 100644 index 0000000..04bc4db --- /dev/null +++ b/arch/tile/include/asm/resource.h @@ -0,0 +1 @@ +#include <asm-generic/resource.h> diff --git a/arch/tile/include/asm/scatterlist.h b/arch/tile/include/asm/scatterlist.h new file mode 100644 index 0000000..c560424 --- /dev/null +++ b/arch/tile/include/asm/scatterlist.h @@ -0,0 +1,22 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_SCATTERLIST_H +#define _ASM_TILE_SCATTERLIST_H + +#define ISA_DMA_THRESHOLD (~0UL) + +#include <asm-generic/scatterlist.h> + +#endif /* _ASM_TILE_SCATTERLIST_H */ diff --git a/arch/tile/include/asm/sections.h b/arch/tile/include/asm/sections.h new file mode 100644 index 0000000..6c11149 --- /dev/null +++ b/arch/tile/include/asm/sections.h @@ -0,0 +1,37 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_SECTIONS_H +#define _ASM_TILE_SECTIONS_H + +#define arch_is_kernel_data arch_is_kernel_data + +#include <asm-generic/sections.h> + +/* Text and data are at different areas in the kernel VA space. */ +extern char _sinitdata[], _einitdata[]; + +/* Write-once data is writable only till the end of initialization. */ +extern char __w1data_begin[], __w1data_end[]; + +extern char __feedback_section_start[], __feedback_section_end[]; + +/* Handle the discontiguity between _sdata and _stext. */ +static inline int arch_is_kernel_data(unsigned long addr) +{ + return addr >= (unsigned long)_sdata && + addr < (unsigned long)_end; +} + +#endif /* _ASM_TILE_SECTIONS_H */ diff --git a/arch/tile/include/asm/sembuf.h b/arch/tile/include/asm/sembuf.h new file mode 100644 index 0000000..7673b83 --- /dev/null +++ b/arch/tile/include/asm/sembuf.h @@ -0,0 +1 @@ +#include <asm-generic/sembuf.h> diff --git a/arch/tile/include/asm/setup.h b/arch/tile/include/asm/setup.h new file mode 100644 index 0000000..823ddd4 --- /dev/null +++ b/arch/tile/include/asm/setup.h @@ -0,0 +1,32 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_SETUP_H +#define _ASM_TILE_SETUP_H + +#include <linux/pfn.h> +#include <linux/init.h> + +/* + * Reserved space for vmalloc and iomap - defined in asm/page.h + */ +#define MAXMEM_PFN PFN_DOWN(MAXMEM) + +#define COMMAND_LINE_SIZE 2048 + +void early_panic(const char *fmt, ...); +void warn_early_printk(void); +void __init disable_early_printk(void); + +#endif /* _ASM_TILE_SETUP_H */ diff --git a/arch/tile/include/asm/shmbuf.h b/arch/tile/include/asm/shmbuf.h new file mode 100644 index 0000000..83c05fc --- /dev/null +++ b/arch/tile/include/asm/shmbuf.h @@ -0,0 +1 @@ +#include <asm-generic/shmbuf.h> diff --git a/arch/tile/include/asm/shmparam.h b/arch/tile/include/asm/shmparam.h new file mode 100644 index 0000000..93f30de --- /dev/null +++ b/arch/tile/include/asm/shmparam.h @@ -0,0 +1 @@ +#include <asm-generic/shmparam.h> diff --git a/arch/tile/include/asm/sigcontext.h b/arch/tile/include/asm/sigcontext.h new file mode 100644 index 0000000..7cd7672 --- /dev/null +++ b/arch/tile/include/asm/sigcontext.h @@ -0,0 +1,27 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_SIGCONTEXT_H +#define _ASM_TILE_SIGCONTEXT_H + +/* NOTE: we can't include <linux/ptrace.h> due to #include dependencies. */ +#include <asm/ptrace.h> + +/* Must track <sys/ucontext.h> */ + +struct sigcontext { + struct pt_regs regs; +}; + +#endif /* _ASM_TILE_SIGCONTEXT_H */ diff --git a/arch/tile/include/asm/sigframe.h b/arch/tile/include/asm/sigframe.h new file mode 100644 index 0000000..994d3d3 --- /dev/null +++ b/arch/tile/include/asm/sigframe.h @@ -0,0 +1,33 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_SIGFRAME_H +#define _ASM_TILE_SIGFRAME_H + +/* Indicate that syscall return should not examine r0 */ +#define INT_SWINT_1_SIGRETURN (~0) + +#ifndef __ASSEMBLY__ + +#include <arch/abi.h> + +struct rt_sigframe { + unsigned char save_area[C_ABI_SAVE_AREA_SIZE]; /* caller save area */ + struct siginfo info; + struct ucontext uc; +}; + +#endif /* !__ASSEMBLY__ */ + +#endif /* _ASM_TILE_SIGFRAME_H */ diff --git a/arch/tile/include/asm/siginfo.h b/arch/tile/include/asm/siginfo.h new file mode 100644 index 0000000..0c12d1b --- /dev/null +++ b/arch/tile/include/asm/siginfo.h @@ -0,0 +1,30 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_SIGINFO_H +#define _ASM_TILE_SIGINFO_H + +#define __ARCH_SI_TRAPNO + +#include <asm-generic/siginfo.h> + +/* + * Additional Tile-specific SIGILL si_codes + */ +#define ILL_DBLFLT (__SI_FAULT|9) /* double fault */ +#define ILL_HARDWALL (__SI_FAULT|10) /* user networks hardwall violation */ +#undef NSIGILL +#define NSIGILL 10 + +#endif /* _ASM_TILE_SIGINFO_H */ diff --git a/arch/tile/include/asm/signal.h b/arch/tile/include/asm/signal.h new file mode 100644 index 0000000..d20d326 --- /dev/null +++ b/arch/tile/include/asm/signal.h @@ -0,0 +1,31 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_SIGNAL_H +#define _ASM_TILE_SIGNAL_H + +/* Do not notify a ptracer when this signal is handled. */ +#define SA_NOPTRACE 0x02000000u + +/* Used in earlier Tilera releases, so keeping for binary compatibility. */ +#define SA_RESTORER 0x04000000u + +#include <asm-generic/signal.h> + +#if defined(__KERNEL__) && !defined(__ASSEMBLY__) +int restore_sigcontext(struct pt_regs *, struct sigcontext __user *, long *); +int setup_sigcontext(struct sigcontext __user *, struct pt_regs *); +#endif + +#endif /* _ASM_TILE_SIGNAL_H */ diff --git a/arch/tile/include/asm/smp.h b/arch/tile/include/asm/smp.h new file mode 100644 index 0000000..da24858 --- /dev/null +++ b/arch/tile/include/asm/smp.h @@ -0,0 +1,126 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_SMP_H +#define _ASM_TILE_SMP_H + +#ifdef CONFIG_SMP + +#include <asm/processor.h> +#include <linux/cpumask.h> +#include <linux/irqreturn.h> + +/* Set up this tile to support receiving hypervisor messages */ +void init_messaging(void); + +/* Set up this tile to support receiving device interrupts and IPIs. */ +void init_per_tile_IRQs(void); + +/* Send a message to processors specified in mask */ +void send_IPI_many(const struct cpumask *mask, int tag); + +/* Send a message to all but the sending processor */ +void send_IPI_allbutself(int tag); + +/* Send a message to a specific processor */ +void send_IPI_single(int dest, int tag); + +/* Process an IPI message */ +void evaluate_message(int tag); + +/* Process an IRQ_RESCHEDULE IPI. */ +irqreturn_t handle_reschedule_ipi(int irq, void *token); + +/* Boot a secondary cpu */ +void online_secondary(void); + +/* Call a function on a specified set of CPUs (may include this one). */ +extern void on_each_cpu_mask(const struct cpumask *mask, + void (*func)(void *), void *info, bool wait); + +/* Topology of the supervisor tile grid, and coordinates of boot processor */ +extern HV_Topology smp_topology; + +/* Accessors for grid size */ +#define smp_height (smp_topology.height) +#define smp_width (smp_topology.width) + +/* Hypervisor message tags sent via the tile send_IPI*() routines. */ +#define MSG_TAG_START_CPU 1 +#define MSG_TAG_STOP_CPU 2 +#define MSG_TAG_CALL_FUNCTION_MANY 3 +#define MSG_TAG_CALL_FUNCTION_SINGLE 4 + +/* Hook for the generic smp_call_function_many() routine. */ +static inline void arch_send_call_function_ipi_mask(struct cpumask *mask) +{ + send_IPI_many(mask, MSG_TAG_CALL_FUNCTION_MANY); +} + +/* Hook for the generic smp_call_function_single() routine. */ +static inline void arch_send_call_function_single_ipi(int cpu) +{ + send_IPI_single(cpu, MSG_TAG_CALL_FUNCTION_SINGLE); +} + +/* Print out the boot string describing which cpus were disabled. */ +void print_disabled_cpus(void); + +#else /* !CONFIG_SMP */ + +#define on_each_cpu_mask(mask, func, info, wait) \ + do { if (cpumask_test_cpu(0, (mask))) func(info); } while (0) + +#define smp_master_cpu 0 +#define smp_height 1 +#define smp_width 1 + +#endif /* !CONFIG_SMP */ + + +/* Which cpus may be used as the lotar in a page table entry. */ +extern struct cpumask cpu_lotar_map; +#define cpu_is_valid_lotar(cpu) cpumask_test_cpu((cpu), &cpu_lotar_map) + +#if CHIP_HAS_CBOX_HOME_MAP() +/* Which processors are used for hash-for-home mapping */ +extern struct cpumask hash_for_home_map; +#endif + +/* Which cpus can have their cache flushed by hv_flush_remote(). */ +extern struct cpumask cpu_cacheable_map; +#define cpu_cacheable(cpu) cpumask_test_cpu((cpu), &cpu_cacheable_map) + +/* Convert an HV_LOTAR value into a cpu. */ +static inline int hv_lotar_to_cpu(HV_LOTAR lotar) +{ + return HV_LOTAR_X(lotar) + (HV_LOTAR_Y(lotar) * smp_width); +} + +/* + * Extension of <linux/cpumask.h> functionality when you just want + * to express a mask or suppression or inclusion region without + * being too concerned about exactly which cpus are valid in that region. + */ +int bitmap_parselist_crop(const char *bp, unsigned long *maskp, int nmaskbits); + +#define cpulist_parse_crop(buf, dst) \ + __cpulist_parse_crop((buf), (dst), NR_CPUS) +static inline int __cpulist_parse_crop(const char *buf, struct cpumask *dstp, + int nbits) +{ + return bitmap_parselist_crop(buf, cpumask_bits(dstp), nbits); +} + +#endif /* _ASM_TILE_SMP_H */ diff --git a/arch/tile/include/asm/socket.h b/arch/tile/include/asm/socket.h new file mode 100644 index 0000000..6b71384 --- /dev/null +++ b/arch/tile/include/asm/socket.h @@ -0,0 +1 @@ +#include <asm-generic/socket.h> diff --git a/arch/tile/include/asm/sockios.h b/arch/tile/include/asm/sockios.h new file mode 100644 index 0000000..def6d47 --- /dev/null +++ b/arch/tile/include/asm/sockios.h @@ -0,0 +1 @@ +#include <asm-generic/sockios.h> diff --git a/arch/tile/include/asm/spinlock.h b/arch/tile/include/asm/spinlock.h new file mode 100644 index 0000000..1a8bd47 --- /dev/null +++ b/arch/tile/include/asm/spinlock.h @@ -0,0 +1,24 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_SPINLOCK_H +#define _ASM_TILE_SPINLOCK_H + +#ifdef __tilegx__ +#include <asm/spinlock_64.h> +#else +#include <asm/spinlock_32.h> +#endif + +#endif /* _ASM_TILE_SPINLOCK_H */ diff --git a/arch/tile/include/asm/spinlock_32.h b/arch/tile/include/asm/spinlock_32.h new file mode 100644 index 0000000..f3a8473 --- /dev/null +++ b/arch/tile/include/asm/spinlock_32.h @@ -0,0 +1,200 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + * + * 32-bit SMP spinlocks. + */ + +#ifndef _ASM_TILE_SPINLOCK_32_H +#define _ASM_TILE_SPINLOCK_32_H + +#include <asm/atomic.h> +#include <asm/page.h> +#include <asm/system.h> +#include <linux/compiler.h> + +/* + * We only use even ticket numbers so the '1' inserted by a tns is + * an unambiguous "ticket is busy" flag. + */ +#define TICKET_QUANTUM 2 + + +/* + * SMP ticket spinlocks, allowing only a single CPU anywhere + * + * (the type definitions are in asm/spinlock_types.h) + */ +static inline int arch_spin_is_locked(arch_spinlock_t *lock) +{ + /* + * Note that even if a new ticket is in the process of being + * acquired, so lock->next_ticket is 1, it's still reasonable + * to claim the lock is held, since it will be momentarily + * if not already. There's no need to wait for a "valid" + * lock->next_ticket to become available. + */ + return lock->next_ticket != lock->current_ticket; +} + +void arch_spin_lock(arch_spinlock_t *lock); + +/* We cannot take an interrupt after getting a ticket, so don't enable them. */ +#define arch_spin_lock_flags(lock, flags) arch_spin_lock(lock) + +int arch_spin_trylock(arch_spinlock_t *lock); + +static inline void arch_spin_unlock(arch_spinlock_t *lock) +{ + /* For efficiency, overlap fetching the old ticket with the wmb(). */ + int old_ticket = lock->current_ticket; + wmb(); /* guarantee anything modified under the lock is visible */ + lock->current_ticket = old_ticket + TICKET_QUANTUM; +} + +void arch_spin_unlock_wait(arch_spinlock_t *lock); + +/* + * Read-write spinlocks, allowing multiple readers + * but only one writer. + * + * We use a "tns/store-back" technique on a single word to manage + * the lock state, looping around to retry if the tns returns 1. + */ + +/* Internal layout of the word; do not use. */ +#define _WR_NEXT_SHIFT 8 +#define _WR_CURR_SHIFT 16 +#define _WR_WIDTH 8 +#define _RD_COUNT_SHIFT 24 +#define _RD_COUNT_WIDTH 8 + +/* Internal functions; do not use. */ +void arch_read_lock_slow(arch_rwlock_t *, u32); +int arch_read_trylock_slow(arch_rwlock_t *); +void arch_read_unlock_slow(arch_rwlock_t *); +void arch_write_lock_slow(arch_rwlock_t *, u32); +void arch_write_unlock_slow(arch_rwlock_t *, u32); + +/** + * arch_read_can_lock() - would read_trylock() succeed? + */ +static inline int arch_read_can_lock(arch_rwlock_t *rwlock) +{ + return (rwlock->lock << _RD_COUNT_WIDTH) == 0; +} + +/** + * arch_write_can_lock() - would write_trylock() succeed? + */ +static inline int arch_write_can_lock(arch_rwlock_t *rwlock) +{ + return rwlock->lock == 0; +} + +/** + * arch_read_lock() - acquire a read lock. + */ +static inline void arch_read_lock(arch_rwlock_t *rwlock) +{ + u32 val = __insn_tns((int *)&rwlock->lock); + if (unlikely(val << _RD_COUNT_WIDTH)) { + arch_read_lock_slow(rwlock, val); + return; + } + rwlock->lock = val + (1 << _RD_COUNT_SHIFT); +} + +/** + * arch_read_lock() - acquire a write lock. + */ +static inline void arch_write_lock(arch_rwlock_t *rwlock) +{ + u32 val = __insn_tns((int *)&rwlock->lock); + if (unlikely(val != 0)) { + arch_write_lock_slow(rwlock, val); + return; + } + rwlock->lock = 1 << _WR_NEXT_SHIFT; +} + +/** + * arch_read_trylock() - try to acquire a read lock. + */ +static inline int arch_read_trylock(arch_rwlock_t *rwlock) +{ + int locked; + u32 val = __insn_tns((int *)&rwlock->lock); + if (unlikely(val & 1)) { + return arch_read_trylock_slow(rwlock); + } + locked = (val << _RD_COUNT_WIDTH) == 0; + rwlock->lock = val + (locked << _RD_COUNT_SHIFT); + return locked; +} + +/** + * arch_write_trylock() - try to acquire a write lock. + */ +static inline int arch_write_trylock(arch_rwlock_t *rwlock) +{ + u32 val = __insn_tns((int *)&rwlock->lock); + + /* + * If a tns is in progress, or there's a waiting or active locker, + * or active readers, we can't take the lock, so give up. + */ + if (unlikely(val != 0)) { + if (!(val & 1)) + rwlock->lock = val; + return 0; + } + + /* Set the "next" field to mark it locked. */ + rwlock->lock = 1 << _WR_NEXT_SHIFT; + return 1; +} + +/** + * arch_read_unlock() - release a read lock. + */ +static inline void arch_read_unlock(arch_rwlock_t *rwlock) +{ + u32 val; + mb(); /* guarantee anything modified under the lock is visible */ + val = __insn_tns((int *)&rwlock->lock); + if (unlikely(val & 1)) { + arch_read_unlock_slow(rwlock); + return; + } + rwlock->lock = val - (1 << _RD_COUNT_SHIFT); +} + +/** + * arch_write_unlock() - release a write lock. + */ +static inline void arch_write_unlock(arch_rwlock_t *rwlock) +{ + u32 val; + mb(); /* guarantee anything modified under the lock is visible */ + val = __insn_tns((int *)&rwlock->lock); + if (unlikely(val != (1 << _WR_NEXT_SHIFT))) { + arch_write_unlock_slow(rwlock, val); + return; + } + rwlock->lock = 0; +} + +#define arch_read_lock_flags(lock, flags) arch_read_lock(lock) +#define arch_write_lock_flags(lock, flags) arch_write_lock(lock) + +#endif /* _ASM_TILE_SPINLOCK_32_H */ diff --git a/arch/tile/include/asm/spinlock_types.h b/arch/tile/include/asm/spinlock_types.h new file mode 100644 index 0000000..a71f59b --- /dev/null +++ b/arch/tile/include/asm/spinlock_types.h @@ -0,0 +1,60 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_SPINLOCK_TYPES_H +#define _ASM_TILE_SPINLOCK_TYPES_H + +#ifndef __LINUX_SPINLOCK_TYPES_H +# error "please don't include this file directly" +#endif + +#ifdef __tilegx__ + +/* Low 15 bits are "next"; high 15 bits are "current". */ +typedef struct arch_spinlock { + unsigned int lock; +} arch_spinlock_t; + +#define __ARCH_SPIN_LOCK_UNLOCKED { 0 } + +/* High bit is "writer owns"; low 31 bits are a count of readers. */ +typedef struct arch_rwlock { + unsigned int lock; +} arch_rwlock_t; + +#define __ARCH_RW_LOCK_UNLOCKED { 0 } + +#else + +typedef struct arch_spinlock { + /* Next ticket number to hand out. */ + int next_ticket; + /* The ticket number that currently owns this lock. */ + int current_ticket; +} arch_spinlock_t; + +#define __ARCH_SPIN_LOCK_UNLOCKED { 0, 0 } + +/* + * Byte 0 for tns (only the low bit is used), byte 1 for ticket-lock "next", + * byte 2 for ticket-lock "current", byte 3 for reader count. + */ +typedef struct arch_rwlock { + unsigned int lock; +} arch_rwlock_t; + +#define __ARCH_RW_LOCK_UNLOCKED { 0 } + +#endif +#endif /* _ASM_TILE_SPINLOCK_TYPES_H */ diff --git a/arch/tile/include/asm/stack.h b/arch/tile/include/asm/stack.h new file mode 100644 index 0000000..864913b --- /dev/null +++ b/arch/tile/include/asm/stack.h @@ -0,0 +1,68 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_STACK_H +#define _ASM_TILE_STACK_H + +#include <linux/types.h> +#include <linux/sched.h> +#include <asm/backtrace.h> +#include <hv/hypervisor.h> + +/* Everything we need to keep track of a backtrace iteration */ +struct KBacktraceIterator { + BacktraceIterator it; + struct task_struct *task; /* task we are backtracing */ + HV_PTE *pgtable; /* page table for user space access */ + int end; /* iteration complete. */ + int new_context; /* new context is starting */ + int profile; /* profiling, so stop on async intrpt */ + int verbose; /* printk extra info (don't want to + * do this for profiling) */ + int is_current; /* backtracing current task */ +}; + +/* Iteration methods for kernel backtraces */ + +/* + * Initialize a KBacktraceIterator from a task_struct, and optionally from + * a set of registers. If the registers are omitted, the process is + * assumed to be descheduled, and registers are read from the process's + * thread_struct and stack. "verbose" means to printk some additional + * information about fault handlers as we pass them on the stack. + */ +extern void KBacktraceIterator_init(struct KBacktraceIterator *kbt, + struct task_struct *, struct pt_regs *); + +/* Initialize iterator based on current stack. */ +extern void KBacktraceIterator_init_current(struct KBacktraceIterator *kbt); + +/* No more frames? */ +extern int KBacktraceIterator_end(struct KBacktraceIterator *kbt); + +/* Advance to the next frame. */ +extern void KBacktraceIterator_next(struct KBacktraceIterator *kbt); + +/* + * Dump stack given complete register info. Use only from the + * architecture-specific code; show_stack() + * and dump_stack() (in entry.S) are architecture-independent entry points. + */ +extern void tile_show_stack(struct KBacktraceIterator *, int headers); + +/* Dump stack of current process, with registers to seed the backtrace. */ +extern void dump_stack_regs(struct pt_regs *); + + +#endif /* _ASM_TILE_STACK_H */ diff --git a/arch/tile/include/asm/stat.h b/arch/tile/include/asm/stat.h new file mode 100644 index 0000000..3dc90fa --- /dev/null +++ b/arch/tile/include/asm/stat.h @@ -0,0 +1 @@ +#include <asm-generic/stat.h> diff --git a/arch/tile/include/asm/statfs.h b/arch/tile/include/asm/statfs.h new file mode 100644 index 0000000..0b91fe1 --- /dev/null +++ b/arch/tile/include/asm/statfs.h @@ -0,0 +1 @@ +#include <asm-generic/statfs.h> diff --git a/arch/tile/include/asm/string.h b/arch/tile/include/asm/string.h new file mode 100644 index 0000000..7535cf1 --- /dev/null +++ b/arch/tile/include/asm/string.h @@ -0,0 +1,32 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_STRING_H +#define _ASM_TILE_STRING_H + +#define __HAVE_ARCH_MEMCHR +#define __HAVE_ARCH_MEMSET +#define __HAVE_ARCH_MEMCPY +#define __HAVE_ARCH_MEMMOVE +#define __HAVE_ARCH_STRCHR +#define __HAVE_ARCH_STRLEN + +extern __kernel_size_t strlen(const char *); +extern char *strchr(const char *s, int c); +extern void *memchr(const void *s, int c, size_t n); +extern void *memset(void *, int, __kernel_size_t); +extern void *memcpy(void *, const void *, __kernel_size_t); +extern void *memmove(void *, const void *, __kernel_size_t); + +#endif /* _ASM_TILE_STRING_H */ diff --git a/arch/tile/include/asm/swab.h b/arch/tile/include/asm/swab.h new file mode 100644 index 0000000..25c686a --- /dev/null +++ b/arch/tile/include/asm/swab.h @@ -0,0 +1,29 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_SWAB_H +#define _ASM_TILE_SWAB_H + +/* Tile gcc is always >= 4.3.0, so we use __builtin_bswap. */ +#define __arch_swab32(x) __builtin_bswap32(x) +#define __arch_swab64(x) __builtin_bswap64(x) + +/* Use the variant that is natural for the wordsize. */ +#ifdef CONFIG_64BIT +#define __arch_swab16(x) (__builtin_bswap64(x) >> 48) +#else +#define __arch_swab16(x) (__builtin_bswap32(x) >> 16) +#endif + +#endif /* _ASM_TILE_SWAB_H */ diff --git a/arch/tile/include/asm/syscall.h b/arch/tile/include/asm/syscall.h new file mode 100644 index 0000000..d35e0dc --- /dev/null +++ b/arch/tile/include/asm/syscall.h @@ -0,0 +1,79 @@ +/* + * Copyright (C) 2008-2009 Red Hat, Inc. All rights reserved. + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + * + * See asm-generic/syscall.h for descriptions of what we must do here. + */ + +#ifndef _ASM_TILE_SYSCALL_H +#define _ASM_TILE_SYSCALL_H + +#include <linux/sched.h> +#include <linux/err.h> +#include <arch/abi.h> + +/* + * Only the low 32 bits of orig_r0 are meaningful, so we return int. + * This importantly ignores the high bits on 64-bit, so comparisons + * sign-extend the low 32 bits. + */ +static inline int syscall_get_nr(struct task_struct *t, struct pt_regs *regs) +{ + return regs->regs[TREG_SYSCALL_NR]; +} + +static inline void syscall_rollback(struct task_struct *task, + struct pt_regs *regs) +{ + regs->regs[0] = regs->orig_r0; +} + +static inline long syscall_get_error(struct task_struct *task, + struct pt_regs *regs) +{ + unsigned long error = regs->regs[0]; + return IS_ERR_VALUE(error) ? error : 0; +} + +static inline long syscall_get_return_value(struct task_struct *task, + struct pt_regs *regs) +{ + return regs->regs[0]; +} + +static inline void syscall_set_return_value(struct task_struct *task, + struct pt_regs *regs, + int error, long val) +{ + regs->regs[0] = (long) error ?: val; +} + +static inline void syscall_get_arguments(struct task_struct *task, + struct pt_regs *regs, + unsigned int i, unsigned int n, + unsigned long *args) +{ + BUG_ON(i + n > 6); + memcpy(args, ®s[i], n * sizeof(args[0])); +} + +static inline void syscall_set_arguments(struct task_struct *task, + struct pt_regs *regs, + unsigned int i, unsigned int n, + const unsigned long *args) +{ + BUG_ON(i + n > 6); + memcpy(®s[i], args, n * sizeof(args[0])); +} + +#endif /* _ASM_TILE_SYSCALL_H */ diff --git a/arch/tile/include/asm/syscalls.h b/arch/tile/include/asm/syscalls.h new file mode 100644 index 0000000..e1be54d --- /dev/null +++ b/arch/tile/include/asm/syscalls.h @@ -0,0 +1,60 @@ +/* + * syscalls.h - Linux syscall interfaces (arch-specific) + * + * Copyright (c) 2008 Jaswinder Singh Rajput + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_SYSCALLS_H +#define _ASM_TILE_SYSCALLS_H + +#include <linux/compiler.h> +#include <linux/linkage.h> +#include <linux/signal.h> +#include <linux/types.h> + +/* kernel/process.c */ +int sys_fork(struct pt_regs *); +int sys_vfork(struct pt_regs *); +int sys_clone(unsigned long clone_flags, unsigned long newsp, + int __user *parent_tidptr, int __user *child_tidptr, + struct pt_regs *); +int sys_execve(char __user *path, char __user *__user *argv, + char __user *__user *envp, struct pt_regs *); + +/* kernel/signal.c */ +int sys_sigaltstack(const stack_t __user *, stack_t __user *, + struct pt_regs *); +long sys_rt_sigreturn(struct pt_regs *); +int sys_raise_fpe(int code, unsigned long addr, struct pt_regs*); + +/* kernel/sys.c */ +ssize_t sys32_readahead(int fd, u32 offset_lo, u32 offset_hi, u32 count); +long sys32_fadvise64(int fd, u32 offset_lo, u32 offset_hi, + u32 len, int advice); +int sys32_fadvise64_64(int fd, u32 offset_lo, u32 offset_hi, + u32 len_lo, u32 len_hi, int advice); +long sys_flush_cache(void); +long sys_mmap(unsigned long addr, unsigned long len, + unsigned long prot, unsigned long flags, + unsigned long fd, unsigned long offset); +long sys_mmap2(unsigned long addr, unsigned long len, + unsigned long prot, unsigned long flags, + unsigned long fd, unsigned long offset); + +#ifndef __tilegx__ +/* mm/fault.c */ +int sys_cmpxchg_badaddr(unsigned long address, struct pt_regs *); +#endif + +#endif /* _ASM_TILE_SYSCALLS_H */ diff --git a/arch/tile/include/asm/system.h b/arch/tile/include/asm/system.h new file mode 100644 index 0000000..d6ca7f8 --- /dev/null +++ b/arch/tile/include/asm/system.h @@ -0,0 +1,220 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_SYSTEM_H +#define _ASM_TILE_SYSTEM_H + +#ifndef __ASSEMBLY__ + +#include <linux/types.h> +#include <linux/irqflags.h> + +/* NOTE: we can't include <linux/ptrace.h> due to #include dependencies. */ +#include <asm/ptrace.h> + +#include <arch/chip.h> +#include <arch/sim_def.h> +#include <arch/spr_def.h> + +/* + * read_barrier_depends - Flush all pending reads that subsequents reads + * depend on. + * + * No data-dependent reads from memory-like regions are ever reordered + * over this barrier. All reads preceding this primitive are guaranteed + * to access memory (but not necessarily other CPUs' caches) before any + * reads following this primitive that depend on the data return by + * any of the preceding reads. This primitive is much lighter weight than + * rmb() on most CPUs, and is never heavier weight than is + * rmb(). + * + * These ordering constraints are respected by both the local CPU + * and the compiler. + * + * Ordering is not guaranteed by anything other than these primitives, + * not even by data dependencies. See the documentation for + * memory_barrier() for examples and URLs to more information. + * + * For example, the following code would force ordering (the initial + * value of "a" is zero, "b" is one, and "p" is "&a"): + * + * <programlisting> + * CPU 0 CPU 1 + * + * b = 2; + * memory_barrier(); + * p = &b; q = p; + * read_barrier_depends(); + * d = *q; + * </programlisting> + * + * because the read of "*q" depends on the read of "p" and these + * two reads are separated by a read_barrier_depends(). However, + * the following code, with the same initial values for "a" and "b": + * + * <programlisting> + * CPU 0 CPU 1 + * + * a = 2; + * memory_barrier(); + * b = 3; y = b; + * read_barrier_depends(); + * x = a; + * </programlisting> + * + * does not enforce ordering, since there is no data dependency between + * the read of "a" and the read of "b". Therefore, on some CPUs, such + * as Alpha, "y" could be set to 3 and "x" to 0. Use rmb() + * in cases like this where there are no data dependencies. + */ + +#define read_barrier_depends() do { } while (0) + +#define __sync() __insn_mf() + +#if CHIP_HAS_SPLIT_CYCLE() +#define get_cycles_low() __insn_mfspr(SPR_CYCLE_LOW) +#else +#define get_cycles_low() __insn_mfspr(SPR_CYCLE) /* just get all 64 bits */ +#endif + +/* Fence to guarantee visibility of stores to incoherent memory. */ +static inline void +mb_incoherent(void) +{ + __insn_mf(); + +#if !CHIP_HAS_MF_WAITS_FOR_VICTIMS() + { + int __mb_incoherent(void); +#if CHIP_HAS_TILE_WRITE_PENDING() + const unsigned long WRITE_TIMEOUT_CYCLES = 400; + unsigned long start = get_cycles_low(); + do { + if (__insn_mfspr(SPR_TILE_WRITE_PENDING) == 0) + return; + } while ((get_cycles_low() - start) < WRITE_TIMEOUT_CYCLES); +#endif /* CHIP_HAS_TILE_WRITE_PENDING() */ + (void) __mb_incoherent(); + } +#endif /* CHIP_HAS_MF_WAITS_FOR_VICTIMS() */ +} + +#define fast_wmb() __sync() +#define fast_rmb() __sync() +#define fast_mb() __sync() +#define fast_iob() mb_incoherent() + +#define wmb() fast_wmb() +#define rmb() fast_rmb() +#define mb() fast_mb() +#define iob() fast_iob() + +#ifdef CONFIG_SMP +#define smp_mb() mb() +#define smp_rmb() rmb() +#define smp_wmb() wmb() +#define smp_read_barrier_depends() read_barrier_depends() +#else +#define smp_mb() barrier() +#define smp_rmb() barrier() +#define smp_wmb() barrier() +#define smp_read_barrier_depends() do { } while (0) +#endif + +#define set_mb(var, value) \ + do { var = value; mb(); } while (0) + +#include <linux/irqflags.h> + +/* + * Pause the DMA engine and static network before task switching. + */ +#define prepare_arch_switch(next) _prepare_arch_switch(next) +void _prepare_arch_switch(struct task_struct *next); + + +/* + * switch_to(n) should switch tasks to task nr n, first + * checking that n isn't the current task, in which case it does nothing. + * The number of callee-saved registers saved on the kernel stack + * is defined here for use in copy_thread() and must agree with __switch_to(). + */ +#endif /* !__ASSEMBLY__ */ +#define CALLEE_SAVED_FIRST_REG 30 +#define CALLEE_SAVED_REGS_COUNT 24 /* r30 to r52, plus an empty to align */ +#ifndef __ASSEMBLY__ +struct task_struct; +#define switch_to(prev, next, last) ((last) = _switch_to((prev), (next))) +extern struct task_struct *_switch_to(struct task_struct *prev, + struct task_struct *next); + +/* + * On SMP systems, when the scheduler does migration-cost autodetection, + * it needs a way to flush as much of the CPU's caches as possible: + * + * TODO: fill this in! + */ +static inline void sched_cacheflush(void) +{ +} + +#define arch_align_stack(x) (x) + +/* + * Is the kernel doing fixups of unaligned accesses? If <0, no kernel + * intervention occurs and SIGBUS is delivered with no data address + * info. If 0, the kernel single-steps the instruction to discover + * the data address to provide with the SIGBUS. If 1, the kernel does + * a fixup. + */ +extern int unaligned_fixup; + +/* Is the kernel printing on each unaligned fixup? */ +extern int unaligned_printk; + +/* Number of unaligned fixups performed */ +extern unsigned int unaligned_fixup_count; + +/* User-level DMA management functions */ +void grant_dma_mpls(void); +void restrict_dma_mpls(void); + + +/* Invoke the simulator "syscall" mechanism (see arch/tile/kernel/entry.S). */ +extern int _sim_syscall(int syscall_num, ...); +#define sim_syscall(syscall_num, ...) \ + _sim_syscall(SIM_CONTROL_SYSCALL + \ + ((syscall_num) << _SIM_CONTROL_OPERATOR_BITS), \ + ## __VA_ARGS__) + +/* + * Kernel threads can check to see if they need to migrate their + * stack whenever they return from a context switch; for user + * threads, we defer until they are returning to user-space. + */ +#define finish_arch_switch(prev) do { \ + if (unlikely((prev)->state == TASK_DEAD)) \ + __insn_mtspr(SPR_SIM_CONTROL, SIM_CONTROL_OS_EXIT | \ + ((prev)->pid << _SIM_CONTROL_OPERATOR_BITS)); \ + __insn_mtspr(SPR_SIM_CONTROL, SIM_CONTROL_OS_SWITCH | \ + (current->pid << _SIM_CONTROL_OPERATOR_BITS)); \ + if (current->mm == NULL && !kstack_hash && \ + current_thread_info()->homecache_cpu != smp_processor_id()) \ + homecache_migrate_kthread(); \ +} while (0) + +#endif /* !__ASSEMBLY__ */ + +#endif /* _ASM_TILE_SYSTEM_H */ diff --git a/arch/tile/include/asm/termbits.h b/arch/tile/include/asm/termbits.h new file mode 100644 index 0000000..3935b10 --- /dev/null +++ b/arch/tile/include/asm/termbits.h @@ -0,0 +1 @@ +#include <asm-generic/termbits.h> diff --git a/arch/tile/include/asm/termios.h b/arch/tile/include/asm/termios.h new file mode 100644 index 0000000..280d78a --- /dev/null +++ b/arch/tile/include/asm/termios.h @@ -0,0 +1 @@ +#include <asm-generic/termios.h> diff --git a/arch/tile/include/asm/thread_info.h b/arch/tile/include/asm/thread_info.h new file mode 100644 index 0000000..9024bf3 --- /dev/null +++ b/arch/tile/include/asm/thread_info.h @@ -0,0 +1,165 @@ +/* + * Copyright (C) 2002 David Howells (dhowells@redhat.com) + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_THREAD_INFO_H +#define _ASM_TILE_THREAD_INFO_H + +#include <asm/processor.h> +#include <asm/page.h> +#ifndef __ASSEMBLY__ + +/* + * Low level task data that assembly code needs immediate access to. + * The structure is placed at the bottom of the supervisor stack. + */ +struct thread_info { + struct task_struct *task; /* main task structure */ + struct exec_domain *exec_domain; /* execution domain */ + unsigned long flags; /* low level flags */ + unsigned long status; /* thread-synchronous flags */ + __u32 homecache_cpu; /* CPU we are homecached on */ + __u32 cpu; /* current CPU */ + int preempt_count; /* 0 => preemptable, + <0 => BUG */ + + mm_segment_t addr_limit; /* thread address space + (KERNEL_DS or USER_DS) */ + struct restart_block restart_block; + struct single_step_state *step_state; /* single step state + (if non-zero) */ +}; + +/* + * macros/functions for gaining access to the thread information structure. + */ +#define INIT_THREAD_INFO(tsk) \ +{ \ + .task = &tsk, \ + .exec_domain = &default_exec_domain, \ + .flags = 0, \ + .cpu = 0, \ + .preempt_count = INIT_PREEMPT_COUNT, \ + .addr_limit = KERNEL_DS, \ + .restart_block = { \ + .fn = do_no_restart_syscall, \ + }, \ + .step_state = 0, \ +} + +#define init_thread_info (init_thread_union.thread_info) +#define init_stack (init_thread_union.stack) + +#endif /* !__ASSEMBLY__ */ + +#if PAGE_SIZE < 8192 +#define THREAD_SIZE_ORDER (13 - PAGE_SHIFT) +#else +#define THREAD_SIZE_ORDER (0) +#endif + +#define THREAD_SIZE (PAGE_SIZE << THREAD_SIZE_ORDER) +#define LOG2_THREAD_SIZE (PAGE_SHIFT + THREAD_SIZE_ORDER) + +#define STACK_WARN (THREAD_SIZE/8) + +#ifndef __ASSEMBLY__ + +/* How to get the thread information struct from C. */ +register unsigned long stack_pointer __asm__("sp"); + +#define current_thread_info() \ + ((struct thread_info *)(stack_pointer & -THREAD_SIZE)) + +#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR +extern struct thread_info *alloc_thread_info(struct task_struct *task); +extern void free_thread_info(struct thread_info *info); + +/* Switch boot idle thread to a freshly-allocated stack and free old stack. */ +extern void cpu_idle_on_new_stack(struct thread_info *old_ti, + unsigned long new_sp, + unsigned long new_ss10); + +#else /* __ASSEMBLY__ */ + +/* how to get the thread information struct from ASM */ +#ifdef __tilegx__ +#define GET_THREAD_INFO(reg) move reg, sp; mm reg, zero, LOG2_THREAD_SIZE, 63 +#else +#define GET_THREAD_INFO(reg) mm reg, sp, zero, LOG2_THREAD_SIZE, 31 +#endif + +#endif /* !__ASSEMBLY__ */ + +#define PREEMPT_ACTIVE 0x10000000 + +/* + * Thread information flags that various assembly files may need to access. + * Keep flags accessed frequently in low bits, particular since it makes + * it easier to build constants in assembly. + */ +#define TIF_SIGPENDING 0 /* signal pending */ +#define TIF_NEED_RESCHED 1 /* rescheduling necessary */ +#define TIF_SINGLESTEP 2 /* restore singlestep on return to + user mode */ +#define TIF_ASYNC_TLB 3 /* got an async TLB fault in kernel */ +#define TIF_SYSCALL_TRACE 4 /* syscall trace active */ +#define TIF_SYSCALL_AUDIT 5 /* syscall auditing active */ +#define TIF_SECCOMP 6 /* secure computing */ +#define TIF_MEMDIE 7 /* OOM killer at work */ + +#define _TIF_SIGPENDING (1<<TIF_SIGPENDING) +#define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) +#define _TIF_SINGLESTEP (1<<TIF_SINGLESTEP) +#define _TIF_ASYNC_TLB (1<<TIF_ASYNC_TLB) +#define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) +#define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT) +#define _TIF_SECCOMP (1<<TIF_SECCOMP) +#define _TIF_MEMDIE (1<<TIF_MEMDIE) + +/* Work to do on any return to user space. */ +#define _TIF_ALLWORK_MASK \ + (_TIF_SIGPENDING|_TIF_NEED_RESCHED|_TIF_SINGLESTEP|_TIF_ASYNC_TLB) + +/* + * Thread-synchronous status. + * + * This is different from the flags in that nobody else + * ever touches our thread-synchronous status, so we don't + * have to worry about atomic accesses. + */ +#ifdef __tilegx__ +#define TS_COMPAT 0x0001 /* 32-bit compatibility mode */ +#endif +#define TS_POLLING 0x0004 /* in idle loop but not sleeping */ +#define TS_RESTORE_SIGMASK 0x0008 /* restore signal mask in do_signal */ +#define TS_EXEC_HASH_SET 0x0010 /* apply TS_EXEC_HASH_xxx flags */ +#define TS_EXEC_HASH_RO 0x0020 /* during exec, hash r/o segments */ +#define TS_EXEC_HASH_RW 0x0040 /* during exec, hash r/w segments */ +#define TS_EXEC_HASH_STACK 0x0080 /* during exec, hash the stack */ +#define TS_EXEC_HASH_FLAGS 0x00f0 /* mask for TS_EXEC_HASH_xxx flags */ + +#define tsk_is_polling(t) (task_thread_info(t)->status & TS_POLLING) + +#ifndef __ASSEMBLY__ +#define HAVE_SET_RESTORE_SIGMASK 1 +static inline void set_restore_sigmask(void) +{ + struct thread_info *ti = current_thread_info(); + ti->status |= TS_RESTORE_SIGMASK; + set_bit(TIF_SIGPENDING, &ti->flags); +} +#endif /* !__ASSEMBLY__ */ + +#endif /* _ASM_TILE_THREAD_INFO_H */ diff --git a/arch/tile/include/asm/timex.h b/arch/tile/include/asm/timex.h new file mode 100644 index 0000000..3baf5fc --- /dev/null +++ b/arch/tile/include/asm/timex.h @@ -0,0 +1,47 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_TIMEX_H +#define _ASM_TILE_TIMEX_H + +/* + * This rate should be a multiple of the possible HZ values (100, 250, 1000) + * and a fraction of the possible hardware timer frequencies. Our timer + * frequency is highly tunable but also quite precise, so for the primary use + * of this value (setting ACT_HZ from HZ) we just pick a value that causes + * ACT_HZ to be set to HZ. We make the value somewhat large just to be + * more robust in case someone tries out a new value of HZ. + */ +#define CLOCK_TICK_RATE 1000000 + +typedef unsigned long long cycles_t; + +#if CHIP_HAS_SPLIT_CYCLE() +cycles_t get_cycles(void); +#else +static inline cycles_t get_cycles(void) +{ + return __insn_mfspr(SPR_CYCLE); +} +#endif + +cycles_t get_clock_rate(void); + +/* Called at cpu initialization to set some low-level constants. */ +void setup_clock(void); + +/* Called at cpu initialization to start the tile-timer clock device. */ +void setup_tile_timer(void); + +#endif /* _ASM_TILE_TIMEX_H */ diff --git a/arch/tile/include/asm/tlb.h b/arch/tile/include/asm/tlb.h new file mode 100644 index 0000000..4a891a1 --- /dev/null +++ b/arch/tile/include/asm/tlb.h @@ -0,0 +1,25 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_TLB_H +#define _ASM_TILE_TLB_H + +#define tlb_start_vma(tlb, vma) do { } while (0) +#define tlb_end_vma(tlb, vma) do { } while (0) +#define __tlb_remove_tlb_entry(tlb, ptep, address) do { } while (0) +#define tlb_flush(tlb) flush_tlb_mm((tlb)->mm) + +#include <asm-generic/tlb.h> + +#endif /* _ASM_TILE_TLB_H */ diff --git a/arch/tile/include/asm/tlbflush.h b/arch/tile/include/asm/tlbflush.h new file mode 100644 index 0000000..96199d2 --- /dev/null +++ b/arch/tile/include/asm/tlbflush.h @@ -0,0 +1,128 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_TLBFLUSH_H +#define _ASM_TILE_TLBFLUSH_H + +#include <linux/mm.h> +#include <linux/sched.h> +#include <linux/smp.h> +#include <asm/cacheflush.h> +#include <asm/page.h> +#include <hv/hypervisor.h> + +/* + * Rather than associating each mm with its own ASID, we just use + * ASIDs to allow us to lazily flush the TLB when we switch mms. + * This way we only have to do an actual TLB flush on mm switch + * every time we wrap ASIDs, not every single time we switch. + * + * FIXME: We might improve performance by keeping ASIDs around + * properly, though since the hypervisor direct-maps VAs to TSB + * entries, we're likely to have lost at least the executable page + * mappings by the time we switch back to the original mm. + */ +DECLARE_PER_CPU(int, current_asid); + +/* The hypervisor tells us what ASIDs are available to us. */ +extern int min_asid, max_asid; + +static inline unsigned long hv_page_size(const struct vm_area_struct *vma) +{ + return (vma->vm_flags & VM_HUGETLB) ? HPAGE_SIZE : PAGE_SIZE; +} + +/* Pass as vma pointer for non-executable mapping, if no vma available. */ +#define FLUSH_NONEXEC ((const struct vm_area_struct *)-1UL) + +/* Flush a single user page on this cpu. */ +static inline void local_flush_tlb_page(const struct vm_area_struct *vma, + unsigned long addr, + unsigned long page_size) +{ + int rc = hv_flush_page(addr, page_size); + if (rc < 0) + panic("hv_flush_page(%#lx,%#lx) failed: %d", + addr, page_size, rc); + if (!vma || (vma != FLUSH_NONEXEC && (vma->vm_flags & VM_EXEC))) + __flush_icache(); +} + +/* Flush range of user pages on this cpu. */ +static inline void local_flush_tlb_pages(const struct vm_area_struct *vma, + unsigned long addr, + unsigned long page_size, + unsigned long len) +{ + int rc = hv_flush_pages(addr, page_size, len); + if (rc < 0) + panic("hv_flush_pages(%#lx,%#lx,%#lx) failed: %d", + addr, page_size, len, rc); + if (!vma || (vma != FLUSH_NONEXEC && (vma->vm_flags & VM_EXEC))) + __flush_icache(); +} + +/* Flush all user pages on this cpu. */ +static inline void local_flush_tlb(void) +{ + int rc = hv_flush_all(1); /* preserve global mappings */ + if (rc < 0) + panic("hv_flush_all(1) failed: %d", rc); + __flush_icache(); +} + +/* + * Global pages have to be flushed a bit differently. Not a real + * performance problem because this does not happen often. + */ +static inline void local_flush_tlb_all(void) +{ + int i; + for (i = 0; ; ++i) { + HV_VirtAddrRange r = hv_inquire_virtual(i); + if (r.size == 0) + break; + local_flush_tlb_pages(NULL, r.start, PAGE_SIZE, r.size); + local_flush_tlb_pages(NULL, r.start, HPAGE_SIZE, r.size); + } +} + +/* + * TLB flushing: + * + * - flush_tlb() flushes the current mm struct TLBs + * - flush_tlb_all() flushes all processes TLBs + * - flush_tlb_mm(mm) flushes the specified mm context TLB's + * - flush_tlb_page(vma, vmaddr) flushes one page + * - flush_tlb_range(vma, start, end) flushes a range of pages + * - flush_tlb_kernel_range(start, end) flushes a range of kernel pages + * - flush_tlb_others(cpumask, mm, va) flushes TLBs on other cpus + * + * Here (as in vm_area_struct), "end" means the first byte after + * our end address. + */ + +extern void flush_tlb_all(void); +extern void flush_tlb_kernel_range(unsigned long start, unsigned long end); +extern void flush_tlb_current_task(void); +extern void flush_tlb_mm(struct mm_struct *); +extern void flush_tlb_page(const struct vm_area_struct *, unsigned long); +extern void flush_tlb_page_mm(const struct vm_area_struct *, + struct mm_struct *, unsigned long); +extern void flush_tlb_range(const struct vm_area_struct *, + unsigned long start, unsigned long end); + +#define flush_tlb() flush_tlb_current_task() + +#endif /* _ASM_TILE_TLBFLUSH_H */ diff --git a/arch/tile/include/asm/topology.h b/arch/tile/include/asm/topology.h new file mode 100644 index 0000000..343172d --- /dev/null +++ b/arch/tile/include/asm/topology.h @@ -0,0 +1,85 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_TOPOLOGY_H +#define _ASM_TILE_TOPOLOGY_H + +#ifdef CONFIG_NUMA + +#include <linux/cpumask.h> + +/* Mappings between logical cpu number and node number. */ +extern struct cpumask node_2_cpu_mask[]; +extern char cpu_2_node[]; + +/* Returns the number of the node containing CPU 'cpu'. */ +static inline int cpu_to_node(int cpu) +{ + return cpu_2_node[cpu]; +} + +/* + * Returns the number of the node containing Node 'node'. + * This architecture is flat, so it is a pretty simple function! + */ +#define parent_node(node) (node) + +/* Returns a bitmask of CPUs on Node 'node'. */ +static inline const struct cpumask *cpumask_of_node(int node) +{ + return &node_2_cpu_mask[node]; +} + +/* For now, use numa node -1 for global allocation. */ +#define pcibus_to_node(bus) ((void)(bus), -1) + +/* sched_domains SD_NODE_INIT for TILE architecture */ +#define SD_NODE_INIT (struct sched_domain) { \ + .min_interval = 8, \ + .max_interval = 32, \ + .busy_factor = 32, \ + .imbalance_pct = 125, \ + .cache_nice_tries = 1, \ + .busy_idx = 3, \ + .idle_idx = 1, \ + .newidle_idx = 2, \ + .wake_idx = 1, \ + .flags = SD_LOAD_BALANCE \ + | SD_BALANCE_NEWIDLE \ + | SD_BALANCE_EXEC \ + | SD_BALANCE_FORK \ + | SD_WAKE_AFFINE \ + | SD_SERIALIZE, \ + .last_balance = jiffies, \ + .balance_interval = 1, \ +} + +/* By definition, we create nodes based on online memory. */ +#define node_has_online_mem(nid) 1 + +#endif /* CONFIG_NUMA */ + +#include <asm-generic/topology.h> + +#ifdef CONFIG_SMP +#define topology_physical_package_id(cpu) ((void)(cpu), 0) +#define topology_core_id(cpu) (cpu) +#define topology_core_cpumask(cpu) ((void)(cpu), cpu_online_mask) +#define topology_thread_cpumask(cpu) cpumask_of(cpu) + +/* indicates that pointers to the topology struct cpumask maps are valid */ +#define arch_provides_topology_pointers yes +#endif + +#endif /* _ASM_TILE_TOPOLOGY_H */ diff --git a/arch/tile/include/asm/traps.h b/arch/tile/include/asm/traps.h new file mode 100644 index 0000000..eab33d4 --- /dev/null +++ b/arch/tile/include/asm/traps.h @@ -0,0 +1,36 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_TRAPS_H +#define _ASM_TILE_TRAPS_H + +/* mm/fault.c */ +void do_page_fault(struct pt_regs *, int fault_num, + unsigned long address, unsigned long write); + +/* kernel/traps.c */ +void do_trap(struct pt_regs *, int fault_num, unsigned long reason); + +/* kernel/time.c */ +void do_timer_interrupt(struct pt_regs *, int fault_num); + +/* kernel/messaging.c */ +void hv_message_intr(struct pt_regs *, int intnum); + +/* kernel/irq.c */ +void tile_dev_intr(struct pt_regs *, int intnum); + + + +#endif /* _ASM_TILE_SYSCALLS_H */ diff --git a/arch/tile/include/asm/types.h b/arch/tile/include/asm/types.h new file mode 100644 index 0000000..b9e79bc --- /dev/null +++ b/arch/tile/include/asm/types.h @@ -0,0 +1 @@ +#include <asm-generic/types.h> diff --git a/arch/tile/include/asm/uaccess.h b/arch/tile/include/asm/uaccess.h new file mode 100644 index 0000000..f3058af --- /dev/null +++ b/arch/tile/include/asm/uaccess.h @@ -0,0 +1,578 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_UACCESS_H +#define _ASM_TILE_UACCESS_H + +/* + * User space memory access functions + */ +#include <linux/sched.h> +#include <linux/mm.h> +#include <asm-generic/uaccess-unaligned.h> +#include <asm/processor.h> +#include <asm/page.h> + +#define VERIFY_READ 0 +#define VERIFY_WRITE 1 + +/* + * The fs value determines whether argument validity checking should be + * performed or not. If get_fs() == USER_DS, checking is performed, with + * get_fs() == KERNEL_DS, checking is bypassed. + * + * For historical reasons, these macros are grossly misnamed. + */ +#define MAKE_MM_SEG(a) ((mm_segment_t) { (a) }) + +#define KERNEL_DS MAKE_MM_SEG(-1UL) +#define USER_DS MAKE_MM_SEG(PAGE_OFFSET) + +#define get_ds() (KERNEL_DS) +#define get_fs() (current_thread_info()->addr_limit) +#define set_fs(x) (current_thread_info()->addr_limit = (x)) + +#define segment_eq(a, b) ((a).seg == (b).seg) + +#ifndef __tilegx__ +/* + * We could allow mapping all 16 MB at 0xfc000000, but we set up a + * special hack in arch_setup_additional_pages() to auto-create a mapping + * for the first 16 KB, and it would seem strange to have different + * user-accessible semantics for memory at 0xfc000000 and above 0xfc004000. + */ +static inline int is_arch_mappable_range(unsigned long addr, + unsigned long size) +{ + return (addr >= MEM_USER_INTRPT && + addr < (MEM_USER_INTRPT + INTRPT_SIZE) && + size <= (MEM_USER_INTRPT + INTRPT_SIZE) - addr); +} +#define is_arch_mappable_range is_arch_mappable_range +#else +#define is_arch_mappable_range(addr, size) 0 +#endif + +/* + * Test whether a block of memory is a valid user space address. + * Returns 0 if the range is valid, nonzero otherwise. + */ +int __range_ok(unsigned long addr, unsigned long size); + +/** + * access_ok: - Checks if a user space pointer is valid + * @type: Type of access: %VERIFY_READ or %VERIFY_WRITE. Note that + * %VERIFY_WRITE is a superset of %VERIFY_READ - if it is safe + * to write to a block, it is always safe to read from it. + * @addr: User space pointer to start of block to check + * @size: Size of block to check + * + * Context: User context only. This function may sleep. + * + * Checks if a pointer to a block of memory in user space is valid. + * + * Returns true (nonzero) if the memory block may be valid, false (zero) + * if it is definitely invalid. + * + * Note that, depending on architecture, this function probably just + * checks that the pointer is in the user space range - after calling + * this function, memory access functions may still return -EFAULT. + */ +#define access_ok(type, addr, size) \ + (likely(__range_ok((unsigned long)addr, size) == 0)) + +/* + * The exception table consists of pairs of addresses: the first is the + * address of an instruction that is allowed to fault, and the second is + * the address at which the program should continue. No registers are + * modified, so it is entirely up to the continuation code to figure out + * what to do. + * + * All the routines below use bits of fixup code that are out of line + * with the main instruction path. This means when everything is well, + * we don't even have to jump over them. Further, they do not intrude + * on our cache or tlb entries. + */ + +struct exception_table_entry { + unsigned long insn, fixup; +}; + +extern int fixup_exception(struct pt_regs *regs); + +/* + * We return the __get_user_N function results in a structure, + * thus in r0 and r1. If "err" is zero, "val" is the result + * of the read; otherwise, "err" is -EFAULT. + * + * We rarely need 8-byte values on a 32-bit architecture, but + * we size the structure to accommodate. In practice, for the + * the smaller reads, we can zero the high word for free, and + * the caller will ignore it by virtue of casting anyway. + */ +struct __get_user { + unsigned long long val; + int err; +}; + +/* + * FIXME: we should express these as inline extended assembler, since + * they're fundamentally just a variable dereference and some + * supporting exception_table gunk. Note that (a la i386) we can + * extend the copy_to_user and copy_from_user routines to call into + * such extended assembler routines, though we will have to use a + * different return code in that case (1, 2, or 4, rather than -EFAULT). + */ +extern struct __get_user __get_user_1(const void *); +extern struct __get_user __get_user_2(const void *); +extern struct __get_user __get_user_4(const void *); +extern struct __get_user __get_user_8(const void *); +extern int __put_user_1(long, void *); +extern int __put_user_2(long, void *); +extern int __put_user_4(long, void *); +extern int __put_user_8(long long, void *); + +/* Unimplemented routines to cause linker failures */ +extern struct __get_user __get_user_bad(void); +extern int __put_user_bad(void); + +/* + * Careful: we have to cast the result to the type of the pointer + * for sign reasons. + */ +/** + * __get_user: - Get a simple variable from user space, with less checking. + * @x: Variable to store result. + * @ptr: Source address, in user space. + * + * Context: User context only. This function may sleep. + * + * This macro copies a single simple variable from user space to kernel + * space. It supports simple types like char and int, but not larger + * data types like structures or arrays. + * + * @ptr must have pointer-to-simple-variable type, and the result of + * dereferencing @ptr must be assignable to @x without a cast. + * + * Returns zero on success, or -EFAULT on error. + * On error, the variable @x is set to zero. + * + * Caller must check the pointer with access_ok() before calling this + * function. + */ +#define __get_user(x, ptr) \ +({ struct __get_user __ret; \ + __typeof__(*(ptr)) const __user *__gu_addr = (ptr); \ + __chk_user_ptr(__gu_addr); \ + switch (sizeof(*(__gu_addr))) { \ + case 1: \ + __ret = __get_user_1(__gu_addr); \ + break; \ + case 2: \ + __ret = __get_user_2(__gu_addr); \ + break; \ + case 4: \ + __ret = __get_user_4(__gu_addr); \ + break; \ + case 8: \ + __ret = __get_user_8(__gu_addr); \ + break; \ + default: \ + __ret = __get_user_bad(); \ + break; \ + } \ + (x) = (__typeof__(*__gu_addr)) (__typeof__(*__gu_addr - *__gu_addr)) \ + __ret.val; \ + __ret.err; \ +}) + +/** + * __put_user: - Write a simple value into user space, with less checking. + * @x: Value to copy to user space. + * @ptr: Destination address, in user space. + * + * Context: User context only. This function may sleep. + * + * This macro copies a single simple value from kernel space to user + * space. It supports simple types like char and int, but not larger + * data types like structures or arrays. + * + * @ptr must have pointer-to-simple-variable type, and @x must be assignable + * to the result of dereferencing @ptr. + * + * Caller must check the pointer with access_ok() before calling this + * function. + * + * Returns zero on success, or -EFAULT on error. + * + * Implementation note: The "case 8" logic of casting to the type of + * the result of subtracting the value from itself is basically a way + * of keeping all integer types the same, but casting any pointers to + * ptrdiff_t, i.e. also an integer type. This way there are no + * questionable casts seen by the compiler on an ILP32 platform. + */ +#define __put_user(x, ptr) \ +({ \ + int __pu_err = 0; \ + __typeof__(*(ptr)) __user *__pu_addr = (ptr); \ + typeof(*__pu_addr) __pu_val = (x); \ + __chk_user_ptr(__pu_addr); \ + switch (sizeof(__pu_val)) { \ + case 1: \ + __pu_err = __put_user_1((long)__pu_val, __pu_addr); \ + break; \ + case 2: \ + __pu_err = __put_user_2((long)__pu_val, __pu_addr); \ + break; \ + case 4: \ + __pu_err = __put_user_4((long)__pu_val, __pu_addr); \ + break; \ + case 8: \ + __pu_err = \ + __put_user_8((__typeof__(__pu_val - __pu_val))__pu_val,\ + __pu_addr); \ + break; \ + default: \ + __pu_err = __put_user_bad(); \ + break; \ + } \ + __pu_err; \ +}) + +/* + * The versions of get_user and put_user without initial underscores + * check the address of their arguments to make sure they are not + * in kernel space. + */ +#define put_user(x, ptr) \ +({ \ + __typeof__(*(ptr)) __user *__Pu_addr = (ptr); \ + access_ok(VERIFY_WRITE, (__Pu_addr), sizeof(*(__Pu_addr))) ? \ + __put_user((x), (__Pu_addr)) : \ + -EFAULT; \ +}) + +#define get_user(x, ptr) \ +({ \ + __typeof__(*(ptr)) const __user *__Gu_addr = (ptr); \ + access_ok(VERIFY_READ, (__Gu_addr), sizeof(*(__Gu_addr))) ? \ + __get_user((x), (__Gu_addr)) : \ + ((x) = 0, -EFAULT); \ +}) + +/** + * __copy_to_user() - copy data into user space, with less checking. + * @to: Destination address, in user space. + * @from: Source address, in kernel space. + * @n: Number of bytes to copy. + * + * Context: User context only. This function may sleep. + * + * Copy data from kernel space to user space. Caller must check + * the specified block with access_ok() before calling this function. + * + * Returns number of bytes that could not be copied. + * On success, this will be zero. + * + * An alternate version - __copy_to_user_inatomic() - is designed + * to be called from atomic context, typically bracketed by calls + * to pagefault_disable() and pagefault_enable(). + */ +extern unsigned long __must_check __copy_to_user_inatomic( + void __user *to, const void *from, unsigned long n); + +static inline unsigned long __must_check +__copy_to_user(void __user *to, const void *from, unsigned long n) +{ + might_fault(); + return __copy_to_user_inatomic(to, from, n); +} + +static inline unsigned long __must_check +copy_to_user(void __user *to, const void *from, unsigned long n) +{ + if (access_ok(VERIFY_WRITE, to, n)) + n = __copy_to_user(to, from, n); + return n; +} + +/** + * __copy_from_user() - copy data from user space, with less checking. + * @to: Destination address, in kernel space. + * @from: Source address, in user space. + * @n: Number of bytes to copy. + * + * Context: User context only. This function may sleep. + * + * Copy data from user space to kernel space. Caller must check + * the specified block with access_ok() before calling this function. + * + * Returns number of bytes that could not be copied. + * On success, this will be zero. + * + * If some data could not be copied, this function will pad the copied + * data to the requested size using zero bytes. + * + * An alternate version - __copy_from_user_inatomic() - is designed + * to be called from atomic context, typically bracketed by calls + * to pagefault_disable() and pagefault_enable(). This version + * does *NOT* pad with zeros. + */ +extern unsigned long __must_check __copy_from_user_inatomic( + void *to, const void __user *from, unsigned long n); +extern unsigned long __must_check __copy_from_user_zeroing( + void *to, const void __user *from, unsigned long n); + +static inline unsigned long __must_check +__copy_from_user(void *to, const void __user *from, unsigned long n) +{ + might_fault(); + return __copy_from_user_zeroing(to, from, n); +} + +static inline unsigned long __must_check +_copy_from_user(void *to, const void __user *from, unsigned long n) +{ + if (access_ok(VERIFY_READ, from, n)) + n = __copy_from_user(to, from, n); + else + memset(to, 0, n); + return n; +} + +#ifdef CONFIG_DEBUG_COPY_FROM_USER +extern void copy_from_user_overflow(void) + __compiletime_warning("copy_from_user() size is not provably correct"); + +static inline unsigned long __must_check copy_from_user(void *to, + const void __user *from, + unsigned long n) +{ + int sz = __compiletime_object_size(to); + + if (likely(sz == -1 || sz >= n)) + n = _copy_from_user(to, from, n); + else + copy_from_user_overflow(); + + return n; +} +#else +#define copy_from_user _copy_from_user +#endif + +#ifdef __tilegx__ +/** + * __copy_in_user() - copy data within user space, with less checking. + * @to: Destination address, in user space. + * @from: Source address, in kernel space. + * @n: Number of bytes to copy. + * + * Context: User context only. This function may sleep. + * + * Copy data from user space to user space. Caller must check + * the specified blocks with access_ok() before calling this function. + * + * Returns number of bytes that could not be copied. + * On success, this will be zero. + */ +extern unsigned long __copy_in_user_asm( + void __user *to, const void __user *from, unsigned long n); + +static inline unsigned long __must_check +__copy_in_user(void __user *to, const void __user *from, unsigned long n) +{ + might_sleep(); + return __copy_in_user_asm(to, from, n); +} + +static inline unsigned long __must_check +copy_in_user(void __user *to, const void __user *from, unsigned long n) +{ + if (access_ok(VERIFY_WRITE, to, n) && access_ok(VERIFY_READ, from, n)) + n = __copy_in_user(to, from, n); + return n; +} +#endif + + +/** + * strlen_user: - Get the size of a string in user space. + * @str: The string to measure. + * + * Context: User context only. This function may sleep. + * + * Get the size of a NUL-terminated string in user space. + * + * Returns the size of the string INCLUDING the terminating NUL. + * On exception, returns 0. + * + * If there is a limit on the length of a valid string, you may wish to + * consider using strnlen_user() instead. + */ +extern long strnlen_user_asm(const char __user *str, long n); +static inline long __must_check strnlen_user(const char __user *str, long n) +{ + might_fault(); + return strnlen_user_asm(str, n); +} +#define strlen_user(str) strnlen_user(str, LONG_MAX) + +/** + * strncpy_from_user: - Copy a NUL terminated string from userspace, with less checking. + * @dst: Destination address, in kernel space. This buffer must be at + * least @count bytes long. + * @src: Source address, in user space. + * @count: Maximum number of bytes to copy, including the trailing NUL. + * + * Copies a NUL-terminated string from userspace to kernel space. + * Caller must check the specified block with access_ok() before calling + * this function. + * + * On success, returns the length of the string (not including the trailing + * NUL). + * + * If access to userspace fails, returns -EFAULT (some data may have been + * copied). + * + * If @count is smaller than the length of the string, copies @count bytes + * and returns @count. + */ +extern long strncpy_from_user_asm(char *dst, const char __user *src, long); +static inline long __must_check __strncpy_from_user( + char *dst, const char __user *src, long count) +{ + might_fault(); + return strncpy_from_user_asm(dst, src, count); +} +static inline long __must_check strncpy_from_user( + char *dst, const char __user *src, long count) +{ + if (access_ok(VERIFY_READ, src, 1)) + return __strncpy_from_user(dst, src, count); + return -EFAULT; +} + +/** + * clear_user: - Zero a block of memory in user space. + * @mem: Destination address, in user space. + * @len: Number of bytes to zero. + * + * Zero a block of memory in user space. + * + * Returns number of bytes that could not be cleared. + * On success, this will be zero. + */ +extern unsigned long clear_user_asm(void __user *mem, unsigned long len); +static inline unsigned long __must_check __clear_user( + void __user *mem, unsigned long len) +{ + might_fault(); + return clear_user_asm(mem, len); +} +static inline unsigned long __must_check clear_user( + void __user *mem, unsigned long len) +{ + if (access_ok(VERIFY_WRITE, mem, len)) + return __clear_user(mem, len); + return len; +} + +/** + * flush_user: - Flush a block of memory in user space from cache. + * @mem: Destination address, in user space. + * @len: Number of bytes to flush. + * + * Returns number of bytes that could not be flushed. + * On success, this will be zero. + */ +extern unsigned long flush_user_asm(void __user *mem, unsigned long len); +static inline unsigned long __must_check __flush_user( + void __user *mem, unsigned long len) +{ + int retval; + + might_fault(); + retval = flush_user_asm(mem, len); + mb_incoherent(); + return retval; +} + +static inline unsigned long __must_check flush_user( + void __user *mem, unsigned long len) +{ + if (access_ok(VERIFY_WRITE, mem, len)) + return __flush_user(mem, len); + return len; +} + +/** + * inv_user: - Invalidate a block of memory in user space from cache. + * @mem: Destination address, in user space. + * @len: Number of bytes to invalidate. + * + * Returns number of bytes that could not be invalidated. + * On success, this will be zero. + * + * Note that on Tile64, the "inv" operation is in fact a + * "flush and invalidate", so cache write-backs will occur prior + * to the cache being marked invalid. + */ +extern unsigned long inv_user_asm(void __user *mem, unsigned long len); +static inline unsigned long __must_check __inv_user( + void __user *mem, unsigned long len) +{ + int retval; + + might_fault(); + retval = inv_user_asm(mem, len); + mb_incoherent(); + return retval; +} +static inline unsigned long __must_check inv_user( + void __user *mem, unsigned long len) +{ + if (access_ok(VERIFY_WRITE, mem, len)) + return __inv_user(mem, len); + return len; +} + +/** + * finv_user: - Flush-inval a block of memory in user space from cache. + * @mem: Destination address, in user space. + * @len: Number of bytes to invalidate. + * + * Returns number of bytes that could not be flush-invalidated. + * On success, this will be zero. + */ +extern unsigned long finv_user_asm(void __user *mem, unsigned long len); +static inline unsigned long __must_check __finv_user( + void __user *mem, unsigned long len) +{ + int retval; + + might_fault(); + retval = finv_user_asm(mem, len); + mb_incoherent(); + return retval; +} +static inline unsigned long __must_check finv_user( + void __user *mem, unsigned long len) +{ + if (access_ok(VERIFY_WRITE, mem, len)) + return __finv_user(mem, len); + return len; +} + +#endif /* _ASM_TILE_UACCESS_H */ diff --git a/arch/tile/include/asm/ucontext.h b/arch/tile/include/asm/ucontext.h new file mode 100644 index 0000000..9bc07b9 --- /dev/null +++ b/arch/tile/include/asm/ucontext.h @@ -0,0 +1 @@ +#include <asm-generic/ucontext.h> diff --git a/arch/tile/include/asm/unaligned.h b/arch/tile/include/asm/unaligned.h new file mode 100644 index 0000000..137e2de --- /dev/null +++ b/arch/tile/include/asm/unaligned.h @@ -0,0 +1,24 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_UNALIGNED_H +#define _ASM_TILE_UNALIGNED_H + +#include <linux/unaligned/le_struct.h> +#include <linux/unaligned/be_byteshift.h> +#include <linux/unaligned/generic.h> +#define get_unaligned __get_unaligned_le +#define put_unaligned __put_unaligned_le + +#endif /* _ASM_TILE_UNALIGNED_H */ diff --git a/arch/tile/include/asm/unistd.h b/arch/tile/include/asm/unistd.h new file mode 100644 index 0000000..03b3d5d --- /dev/null +++ b/arch/tile/include/asm/unistd.h @@ -0,0 +1,47 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#if !defined(_ASM_TILE_UNISTD_H) || defined(__SYSCALL) +#define _ASM_TILE_UNISTD_H + + +#ifndef __LP64__ +/* Use the flavor of this syscall that matches the 32-bit API better. */ +#define __ARCH_WANT_SYNC_FILE_RANGE2 +#endif + +/* Use the standard ABI for syscalls. */ +#include <asm-generic/unistd.h> + +#ifndef __tilegx__ +/* "Fast" syscalls provide atomic support for 32-bit chips. */ +#define __NR_FAST_cmpxchg -1 +#define __NR_FAST_atomic_update -2 +#define __NR_FAST_cmpxchg64 -3 +#define __NR_cmpxchg_badaddr (__NR_arch_specific_syscall + 0) +__SYSCALL(__NR_cmpxchg_badaddr, sys_cmpxchg_badaddr) +#endif + +/* Additional Tilera-specific syscalls. */ +#define __NR_flush_cache (__NR_arch_specific_syscall + 1) +__SYSCALL(__NR_flush_cache, sys_flush_cache) + +#ifdef __KERNEL__ +/* In compat mode, we use sys_llseek() for compat_sys_llseek(). */ +#ifdef CONFIG_COMPAT +#define __ARCH_WANT_SYS_LLSEEK +#endif +#endif + +#endif /* _ASM_TILE_UNISTD_H */ diff --git a/arch/tile/include/asm/user.h b/arch/tile/include/asm/user.h new file mode 100644 index 0000000..cbc8b4d --- /dev/null +++ b/arch/tile/include/asm/user.h @@ -0,0 +1,21 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + * + */ + +#ifndef _ASM_TILE_USER_H +#define _ASM_TILE_USER_H + +/* This header is for a.out file formats, which TILE does not support. */ + +#endif /* _ASM_TILE_USER_H */ diff --git a/arch/tile/include/asm/xor.h b/arch/tile/include/asm/xor.h new file mode 100644 index 0000000..c82eb12 --- /dev/null +++ b/arch/tile/include/asm/xor.h @@ -0,0 +1 @@ +#include <asm-generic/xor.h> |
