diff options
Diffstat (limited to 'arch/alpha/include/asm/system.h')
| -rw-r--r-- | arch/alpha/include/asm/system.h | 354 |
1 files changed, 0 insertions, 354 deletions
diff --git a/arch/alpha/include/asm/system.h b/arch/alpha/include/asm/system.h deleted file mode 100644 index 9f78e69..0000000 --- a/arch/alpha/include/asm/system.h +++ /dev/null @@ -1,354 +0,0 @@ -#ifndef __ALPHA_SYSTEM_H -#define __ALPHA_SYSTEM_H - -#include <asm/pal.h> -#include <asm/page.h> -#include <asm/barrier.h> - -/* - * System defines.. Note that this is included both from .c and .S - * files, so it does only defines, not any C code. - */ - -/* - * We leave one page for the initial stack page, and one page for - * the initial process structure. Also, the console eats 3 MB for - * the initial bootloader (one of which we can reclaim later). - */ -#define BOOT_PCB 0x20000000 -#define BOOT_ADDR 0x20000000 -/* Remove when official MILO sources have ELF support: */ -#define BOOT_SIZE (16*1024) - -#ifdef CONFIG_ALPHA_LEGACY_START_ADDRESS -#define KERNEL_START_PHYS 0x300000 /* Old bootloaders hardcoded this. */ -#else -#define KERNEL_START_PHYS 0x1000000 /* required: Wildfire/Titan/Marvel */ -#endif - -#define KERNEL_START (PAGE_OFFSET+KERNEL_START_PHYS) -#define SWAPPER_PGD KERNEL_START -#define INIT_STACK (PAGE_OFFSET+KERNEL_START_PHYS+0x02000) -#define EMPTY_PGT (PAGE_OFFSET+KERNEL_START_PHYS+0x04000) -#define EMPTY_PGE (PAGE_OFFSET+KERNEL_START_PHYS+0x08000) -#define ZERO_PGE (PAGE_OFFSET+KERNEL_START_PHYS+0x0A000) - -#define START_ADDR (PAGE_OFFSET+KERNEL_START_PHYS+0x10000) - -/* - * This is setup by the secondary bootstrap loader. Because - * the zero page is zeroed out as soon as the vm system is - * initialized, we need to copy things out into a more permanent - * place. - */ -#define PARAM ZERO_PGE -#define COMMAND_LINE ((char*)(PARAM + 0x0000)) -#define INITRD_START (*(unsigned long *) (PARAM+0x100)) -#define INITRD_SIZE (*(unsigned long *) (PARAM+0x108)) - -#ifndef __ASSEMBLY__ -#include <linux/kernel.h> -#define AT_VECTOR_SIZE_ARCH 4 /* entries in ARCH_DLINFO */ - -/* - * This is the logout header that should be common to all platforms - * (assuming they are running OSF/1 PALcode, I guess). - */ -struct el_common { - unsigned int size; /* size in bytes of logout area */ - unsigned int sbz1 : 30; /* should be zero */ - unsigned int err2 : 1; /* second error */ - unsigned int retry : 1; /* retry flag */ - unsigned int proc_offset; /* processor-specific offset */ - unsigned int sys_offset; /* system-specific offset */ - unsigned int code; /* machine check code */ - unsigned int frame_rev; /* frame revision */ -}; - -/* Machine Check Frame for uncorrectable errors (Large format) - * --- This is used to log uncorrectable errors such as - * double bit ECC errors. - * --- These errors are detected by both processor and systems. - */ -struct el_common_EV5_uncorrectable_mcheck { - unsigned long shadow[8]; /* Shadow reg. 8-14, 25 */ - unsigned long paltemp[24]; /* PAL TEMP REGS. */ - unsigned long exc_addr; /* Address of excepting instruction*/ - unsigned long exc_sum; /* Summary of arithmetic traps. */ - unsigned long exc_mask; /* Exception mask (from exc_sum). */ - unsigned long pal_base; /* Base address for PALcode. */ - unsigned long isr; /* Interrupt Status Reg. */ - unsigned long icsr; /* CURRENT SETUP OF EV5 IBOX */ - unsigned long ic_perr_stat; /* I-CACHE Reg. <11> set Data parity - <12> set TAG parity*/ - unsigned long dc_perr_stat; /* D-CACHE error Reg. Bits set to 1: - <2> Data error in bank 0 - <3> Data error in bank 1 - <4> Tag error in bank 0 - <5> Tag error in bank 1 */ - unsigned long va; /* Effective VA of fault or miss. */ - unsigned long mm_stat; /* Holds the reason for D-stream - fault or D-cache parity errors */ - unsigned long sc_addr; /* Address that was being accessed - when EV5 detected Secondary cache - failure. */ - unsigned long sc_stat; /* Helps determine if the error was - TAG/Data parity(Secondary Cache)*/ - unsigned long bc_tag_addr; /* Contents of EV5 BC_TAG_ADDR */ - unsigned long ei_addr; /* Physical address of any transfer - that is logged in EV5 EI_STAT */ - unsigned long fill_syndrome; /* For correcting ECC errors. */ - unsigned long ei_stat; /* Helps identify reason of any - processor uncorrectable error - at its external interface. */ - unsigned long ld_lock; /* Contents of EV5 LD_LOCK register*/ -}; - -struct el_common_EV6_mcheck { - unsigned int FrameSize; /* Bytes, including this field */ - unsigned int FrameFlags; /* <31> = Retry, <30> = Second Error */ - unsigned int CpuOffset; /* Offset to CPU-specific info */ - unsigned int SystemOffset; /* Offset to system-specific info */ - unsigned int MCHK_Code; - unsigned int MCHK_Frame_Rev; - unsigned long I_STAT; /* EV6 Internal Processor Registers */ - unsigned long DC_STAT; /* (See the 21264 Spec) */ - unsigned long C_ADDR; - unsigned long DC1_SYNDROME; - unsigned long DC0_SYNDROME; - unsigned long C_STAT; - unsigned long C_STS; - unsigned long MM_STAT; - unsigned long EXC_ADDR; - unsigned long IER_CM; - unsigned long ISUM; - unsigned long RESERVED0; - unsigned long PAL_BASE; - unsigned long I_CTL; - unsigned long PCTX; -}; - -extern void halt(void) __attribute__((noreturn)); -#define __halt() __asm__ __volatile__ ("call_pal %0 #halt" : : "i" (PAL_halt)) - -#define switch_to(P,N,L) \ - do { \ - (L) = alpha_switch_to(virt_to_phys(&task_thread_info(N)->pcb), (P)); \ - check_mmu_context(); \ - } while (0) - -struct task_struct; -extern struct task_struct *alpha_switch_to(unsigned long, struct task_struct*); - -#define imb() \ -__asm__ __volatile__ ("call_pal %0 #imb" : : "i" (PAL_imb) : "memory") - -#define draina() \ -__asm__ __volatile__ ("call_pal %0 #draina" : : "i" (PAL_draina) : "memory") - -enum implver_enum { - IMPLVER_EV4, - IMPLVER_EV5, - IMPLVER_EV6 -}; - -#ifdef CONFIG_ALPHA_GENERIC -#define implver() \ -({ unsigned long __implver; \ - __asm__ ("implver %0" : "=r"(__implver)); \ - (enum implver_enum) __implver; }) -#else -/* Try to eliminate some dead code. */ -#ifdef CONFIG_ALPHA_EV4 -#define implver() IMPLVER_EV4 -#endif -#ifdef CONFIG_ALPHA_EV5 -#define implver() IMPLVER_EV5 -#endif -#if defined(CONFIG_ALPHA_EV6) -#define implver() IMPLVER_EV6 -#endif -#endif - -enum amask_enum { - AMASK_BWX = (1UL << 0), - AMASK_FIX = (1UL << 1), - AMASK_CIX = (1UL << 2), - AMASK_MAX = (1UL << 8), - AMASK_PRECISE_TRAP = (1UL << 9), -}; - -#define amask(mask) \ -({ unsigned long __amask, __input = (mask); \ - __asm__ ("amask %1,%0" : "=r"(__amask) : "rI"(__input)); \ - __amask; }) - -#define __CALL_PAL_R0(NAME, TYPE) \ -extern inline TYPE NAME(void) \ -{ \ - register TYPE __r0 __asm__("$0"); \ - __asm__ __volatile__( \ - "call_pal %1 # " #NAME \ - :"=r" (__r0) \ - :"i" (PAL_ ## NAME) \ - :"$1", "$16", "$22", "$23", "$24", "$25"); \ - return __r0; \ -} - -#define __CALL_PAL_W1(NAME, TYPE0) \ -extern inline void NAME(TYPE0 arg0) \ -{ \ - register TYPE0 __r16 __asm__("$16") = arg0; \ - __asm__ __volatile__( \ - "call_pal %1 # "#NAME \ - : "=r"(__r16) \ - : "i"(PAL_ ## NAME), "0"(__r16) \ - : "$1", "$22", "$23", "$24", "$25"); \ -} - -#define __CALL_PAL_W2(NAME, TYPE0, TYPE1) \ -extern inline void NAME(TYPE0 arg0, TYPE1 arg1) \ -{ \ - register TYPE0 __r16 __asm__("$16") = arg0; \ - register TYPE1 __r17 __asm__("$17") = arg1; \ - __asm__ __volatile__( \ - "call_pal %2 # "#NAME \ - : "=r"(__r16), "=r"(__r17) \ - : "i"(PAL_ ## NAME), "0"(__r16), "1"(__r17) \ - : "$1", "$22", "$23", "$24", "$25"); \ -} - -#define __CALL_PAL_RW1(NAME, RTYPE, TYPE0) \ -extern inline RTYPE NAME(TYPE0 arg0) \ -{ \ - register RTYPE __r0 __asm__("$0"); \ - register TYPE0 __r16 __asm__("$16") = arg0; \ - __asm__ __volatile__( \ - "call_pal %2 # "#NAME \ - : "=r"(__r16), "=r"(__r0) \ - : "i"(PAL_ ## NAME), "0"(__r16) \ - : "$1", "$22", "$23", "$24", "$25"); \ - return __r0; \ -} - -#define __CALL_PAL_RW2(NAME, RTYPE, TYPE0, TYPE1) \ -extern inline RTYPE NAME(TYPE0 arg0, TYPE1 arg1) \ -{ \ - register RTYPE __r0 __asm__("$0"); \ - register TYPE0 __r16 __asm__("$16") = arg0; \ - register TYPE1 __r17 __asm__("$17") = arg1; \ - __asm__ __volatile__( \ - "call_pal %3 # "#NAME \ - : "=r"(__r16), "=r"(__r17), "=r"(__r0) \ - : "i"(PAL_ ## NAME), "0"(__r16), "1"(__r17) \ - : "$1", "$22", "$23", "$24", "$25"); \ - return __r0; \ -} - -__CALL_PAL_W1(cflush, unsigned long); -__CALL_PAL_R0(rdmces, unsigned long); -__CALL_PAL_R0(rdps, unsigned long); -__CALL_PAL_R0(rdusp, unsigned long); -__CALL_PAL_RW1(swpipl, unsigned long, unsigned long); -__CALL_PAL_R0(whami, unsigned long); -__CALL_PAL_W2(wrent, void*, unsigned long); -__CALL_PAL_W1(wripir, unsigned long); -__CALL_PAL_W1(wrkgp, unsigned long); -__CALL_PAL_W1(wrmces, unsigned long); -__CALL_PAL_RW2(wrperfmon, unsigned long, unsigned long, unsigned long); -__CALL_PAL_W1(wrusp, unsigned long); -__CALL_PAL_W1(wrvptptr, unsigned long); - -/* - * TB routines.. - */ -#define __tbi(nr,arg,arg1...) \ -({ \ - register unsigned long __r16 __asm__("$16") = (nr); \ - register unsigned long __r17 __asm__("$17"); arg; \ - __asm__ __volatile__( \ - "call_pal %3 #__tbi" \ - :"=r" (__r16),"=r" (__r17) \ - :"0" (__r16),"i" (PAL_tbi) ,##arg1 \ - :"$0", "$1", "$22", "$23", "$24", "$25"); \ -}) - -#define tbi(x,y) __tbi(x,__r17=(y),"1" (__r17)) -#define tbisi(x) __tbi(1,__r17=(x),"1" (__r17)) -#define tbisd(x) __tbi(2,__r17=(x),"1" (__r17)) -#define tbis(x) __tbi(3,__r17=(x),"1" (__r17)) -#define tbiap() __tbi(-1, /* no second argument */) -#define tbia() __tbi(-2, /* no second argument */) - -/* - * Atomic exchange routines. - */ - -#define __ASM__MB -#define ____xchg(type, args...) __xchg ## type ## _local(args) -#define ____cmpxchg(type, args...) __cmpxchg ## type ## _local(args) -#include <asm/xchg.h> - -#define xchg_local(ptr,x) \ - ({ \ - __typeof__(*(ptr)) _x_ = (x); \ - (__typeof__(*(ptr))) __xchg_local((ptr), (unsigned long)_x_, \ - sizeof(*(ptr))); \ - }) - -#define cmpxchg_local(ptr, o, n) \ - ({ \ - __typeof__(*(ptr)) _o_ = (o); \ - __typeof__(*(ptr)) _n_ = (n); \ - (__typeof__(*(ptr))) __cmpxchg_local((ptr), (unsigned long)_o_, \ - (unsigned long)_n_, \ - sizeof(*(ptr))); \ - }) - -#define cmpxchg64_local(ptr, o, n) \ - ({ \ - BUILD_BUG_ON(sizeof(*(ptr)) != 8); \ - cmpxchg_local((ptr), (o), (n)); \ - }) - -#ifdef CONFIG_SMP -#undef __ASM__MB -#define __ASM__MB "\tmb\n" -#endif -#undef ____xchg -#undef ____cmpxchg -#define ____xchg(type, args...) __xchg ##type(args) -#define ____cmpxchg(type, args...) __cmpxchg ##type(args) -#include <asm/xchg.h> - -#define xchg(ptr,x) \ - ({ \ - __typeof__(*(ptr)) _x_ = (x); \ - (__typeof__(*(ptr))) __xchg((ptr), (unsigned long)_x_, \ - sizeof(*(ptr))); \ - }) - -#define cmpxchg(ptr, o, n) \ - ({ \ - __typeof__(*(ptr)) _o_ = (o); \ - __typeof__(*(ptr)) _n_ = (n); \ - (__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)_o_, \ - (unsigned long)_n_, sizeof(*(ptr)));\ - }) - -#define cmpxchg64(ptr, o, n) \ - ({ \ - BUILD_BUG_ON(sizeof(*(ptr)) != 8); \ - cmpxchg((ptr), (o), (n)); \ - }) - -#undef __ASM__MB -#undef ____cmpxchg - -#define __HAVE_ARCH_CMPXCHG 1 - -#endif /* __ASSEMBLY__ */ - -#define arch_align_stack(x) (x) - -#endif |
