diff options
Diffstat (limited to 'sys/i386/include')
| -rw-r--r-- | sys/i386/include/_limits.h | 57 | ||||
| -rw-r--r-- | sys/i386/include/ansi.h | 57 | ||||
| -rw-r--r-- | sys/i386/include/cpu.h | 108 | ||||
| -rw-r--r-- | sys/i386/include/cpufunc.h | 82 | ||||
| -rw-r--r-- | sys/i386/include/db_machdep.h | 154 | ||||
| -rw-r--r-- | sys/i386/include/endian.h | 117 | ||||
| -rw-r--r-- | sys/i386/include/float.h | 74 | ||||
| -rw-r--r-- | sys/i386/include/frame.h | 116 | ||||
| -rw-r--r-- | sys/i386/include/limits.h | 57 | ||||
| -rw-r--r-- | sys/i386/include/mtpr.h | 0 | ||||
| -rw-r--r-- | sys/i386/include/npx.h | 146 | ||||
| -rw-r--r-- | sys/i386/include/param.h | 164 | ||||
| -rw-r--r-- | sys/i386/include/pc/display.h | 43 | ||||
| -rw-r--r-- | sys/i386/include/pc/msdos.h | 63 | ||||
| -rw-r--r-- | sys/i386/include/pcb.h | 87 | ||||
| -rw-r--r-- | sys/i386/include/pmap.h | 234 | ||||
| -rw-r--r-- | sys/i386/include/proc.h | 47 | ||||
| -rw-r--r-- | sys/i386/include/psl.h | 60 | ||||
| -rw-r--r-- | sys/i386/include/reg.h | 93 | ||||
| -rw-r--r-- | sys/i386/include/segments.h | 196 | ||||
| -rw-r--r-- | sys/i386/include/specialreg.h | 67 | ||||
| -rw-r--r-- | sys/i386/include/stdarg.h | 53 | ||||
| -rw-r--r-- | sys/i386/include/trap.h | 96 | ||||
| -rw-r--r-- | sys/i386/include/tss.h | 78 | ||||
| -rw-r--r-- | sys/i386/include/types.h | 50 | ||||
| -rw-r--r-- | sys/i386/include/vmparam.h | 256 |
26 files changed, 2555 insertions, 0 deletions
diff --git a/sys/i386/include/_limits.h b/sys/i386/include/_limits.h new file mode 100644 index 0000000..73474608 --- /dev/null +++ b/sys/i386/include/_limits.h @@ -0,0 +1,57 @@ +/* + * Copyright (c) 1988 The Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)limits.h 7.2 (Berkeley) 6/28/90 + */ + +#define CHAR_BIT 8 /* number of bits in a char */ +#define CLK_TCK 60 /* ticks per second */ +#define MB_LEN_MAX 1 /* no multibyte characters */ + +#define SCHAR_MIN (-0x7f-1) /* max value for a signed char */ +#define SCHAR_MAX 0x7f /* min value for a signed char */ + +#define UCHAR_MAX 0xff /* max value for an unsigned char */ +#define CHAR_MAX 0x7f /* max value for a char */ +#define CHAR_MIN (-0x7f-1) /* min value for a char */ + +#define USHRT_MAX 0xffff /* max value for an unsigned short */ +#define SHRT_MAX 0x7fff /* max value for a short */ +#define SHRT_MIN (-0x7fff-1) /* min value for a short */ + +#define UINT_MAX 0xffffffff /* max value for an unsigned int */ +#define INT_MAX 0x7fffffff /* max value for an int */ +#define INT_MIN (-0x7fffffff-1) /* min value for an int */ + +#define ULONG_MAX 0xffffffff /* max value for an unsigned long */ +#define LONG_MAX 0x7fffffff /* max value for a long */ +#define LONG_MIN (-0x7fffffff-1) /* min value for a long */ diff --git a/sys/i386/include/ansi.h b/sys/i386/include/ansi.h new file mode 100644 index 0000000..ca67748 --- /dev/null +++ b/sys/i386/include/ansi.h @@ -0,0 +1,57 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)ansi.h 7.1 (Berkeley) 3/9/91 + */ + +#ifndef _ANSI_H_ +#define _ANSI_H_ + +/* + * Types which are fundamental to the implementation and may appear in + * more than one standard header are defined here. Standard headers + * then use: + * #ifdef _SIZE_T_ + * typedef _SIZE_T_ size_t; + * #undef _SIZE_T_ + * #endif + * + * Thanks, ANSI! + */ +#define _CLOCK_T_ unsigned long /* clock() */ +#define _PTRDIFF_T_ int /* ptr1 - ptr2 */ +#define _SIZE_T_ unsigned int /* sizeof() */ +#define _TIME_T_ long /* time() */ +#define _VA_LIST_ char * /* va_list */ +#define _WCHAR_T_ unsigned short /* wchar_t */ + +#endif /* _ANSI_H_ */ diff --git a/sys/i386/include/cpu.h b/sys/i386/include/cpu.h new file mode 100644 index 0000000..583d76c --- /dev/null +++ b/sys/i386/include/cpu.h @@ -0,0 +1,108 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)cpu.h 5.4 (Berkeley) 5/9/91 + */ + +/* + * Definitions unique to i386 cpu support. + */ +#include "machine/frame.h" +#include "machine/segments.h" + +/* + * definitions of cpu-dependent requirements + * referenced in generic code + */ +#undef COPY_SIGCODE /* don't copy sigcode above user stack in exec */ + +/* + * function vs. inline configuration; + * these are defined to get generic functions + * rather than inline or machine-dependent implementations + */ +#define NEED_MINMAX /* need {,i,l,ul}{min,max} functions */ +#define NEED_FFS /* need ffs function */ +#define NEED_BCMP /* need bcmp function */ +#define NEED_STRLEN /* need strlen function */ + +#define cpu_exec(p) /* nothing */ + +/* + * Arguments to hardclock, softclock and gatherstats + * encapsulate the previous machine state in an opaque + * clockframe; for now, use generic intrframe. + */ +typedef struct intrframe clockframe; + +#define CLKF_USERMODE(framep) (ISPL((framep)->if_cs) == SEL_UPL) +#define CLKF_BASEPRI(framep) ((framep)->if_ppl == 0) +#define CLKF_PC(framep) ((framep)->if_eip) + +#define resettodr() /* no todr to set */ + +/* + * Preempt the current process if in interrupt from user mode, + * or after the current trap/syscall if in system mode. + */ +#define need_resched() { want_resched++; aston(); } + +/* + * Give a profiling tick to the current process from the softclock + * interrupt. On tahoe, request an ast to send us through trap(), + * marking the proc as needing a profiling tick. + */ +#define profile_tick(p, framep) { (p)->p_flag |= SOWEUPC; aston(); } + +/* + * Notify the current process (p) that it has a signal pending, + * process as soon as possible. + */ +#define signotify(p) aston() + +#define aston() (astpending++) + +int astpending; /* need to trap before returning to user mode */ +int want_resched; /* resched() was called */ + +/* + * Kinds of processor + */ + +#define CPU_386SX 0 +#define CPU_386 1 +#define CPU_486SX 2 +#define CPU_486 3 +#define CPU_586 4 diff --git a/sys/i386/include/cpufunc.h b/sys/i386/include/cpufunc.h new file mode 100644 index 0000000..e3b4a8c --- /dev/null +++ b/sys/i386/include/cpufunc.h @@ -0,0 +1,82 @@ +/* + * Functions to provide access to special i386 instructions. + * XXX - bezillions more are defined in locore.s but are not declared anywhere. + */ + +#include <sys/cdefs.h> +#include <sys/types.h> + +#ifdef __GNUC__ + +static __inline int bdb(void) +{ + extern int bdb_exists; + + if (!bdb_exists) + return (0); + __asm("int $3"); + return (1); +} + +static __inline void +disable_intr(void) +{ + __asm __volatile("cli"); +} + +static __inline void +enable_intr(void) +{ + __asm __volatile("sti"); +} + +/* + * This roundabout method of returning a u_char helps stop gcc-1.40 from + * generating unnecessary movzbl's. + */ +#define inb(port) ((u_char) u_int_inb(port)) + +static __inline u_int +u_int_inb(u_int port) +{ + u_char data; + /* + * We use %%dx and not %1 here because i/o is done at %dx and not at + * %edx, while gcc-2.2.2 generates inferior code (movw instead of movl) + * if we tell it to load (u_short) port. + */ + __asm __volatile("inb %%dx,%0" : "=a" (data) : "d" (port)); + return data; +} + +static __inline void +outb(u_int port, u_char data) +{ + register u_char al asm("ax"); + + al = data; /* help gcc-1.40's register allocator */ + __asm __volatile("outb %0,%%dx" : : "a" (al), "d" (port)); +} + +#else /* not __GNUC__ */ + +int bdb __P((void)); +void disable_intr __P((void)); +void enable_intr __P((void)); +u_char inb __P((u_int port)); +void outb __P((u_int port, u_int data)); /* XXX - incompat */ + +#endif /* __GNUC__ */ + +#define really_u_int int /* XXX */ +#define really_void int /* XXX */ + +void load_cr0 __P((u_int cr0)); +really_u_int rcr0 __P((void)); + +#ifdef notyet +really_void setidt __P((int idx, /*XXX*/caddr_t func, int typ, int dpl)); +#endif + +#undef really_u_int +#undef really_void diff --git a/sys/i386/include/db_machdep.h b/sys/i386/include/db_machdep.h new file mode 100644 index 0000000..8e37eec --- /dev/null +++ b/sys/i386/include/db_machdep.h @@ -0,0 +1,154 @@ +/* + * Mach Operating System + * Copyright (c) 1991,1990 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie Mellon + * the rights to redistribute these changes. + */ +/* + * HISTORY + * $Log: db_machdep.h,v $ + * Revision 2.8 92/02/19 15:07:56 elf + * Added db_thread_fp_used. + * [92/02/19 rpd] + * + * Revision 2.7 91/10/09 16:06:28 af + * Revision 2.6.3.1 91/10/05 13:10:32 jeffreyh + * Added access and task name macros. + * [91/08/29 tak] + * + * Revision 2.6.3.1 91/10/05 13:10:32 jeffreyh + * Added access and task name macros. + * [91/08/29 tak] + * + * Revision 2.6 91/05/14 16:05:58 mrt + * Correcting copyright + * + * Revision 2.5 91/02/05 17:11:17 mrt + * Changed to new Mach copyright + * [91/02/01 17:31:24 mrt] + * + * Revision 2.4 91/01/08 15:10:16 rpd + * Added dummy inst_load/inst_store macros. + * [90/12/11 rpd] + * + * Revision 2.3 90/10/25 14:44:49 rwd + * Added watchpoint support. + * [90/10/18 rpd] + * + * Revision 2.2 90/08/27 21:56:15 dbg + * Created. + * [90/07/25 dbg] + * + */ + +#ifndef _I386_DB_MACHDEP_H_ +#define _I386_DB_MACHDEP_H_ + +/* + * Machine-dependent defines for new kernel debugger. + */ + + +/* #include <mach/i386/vm_types.h> */ +/* #include <mach/i386/vm_param.h> */ +#include <vm/vm_prot.h> +#include <vm/vm_param.h> +#include <vm/vm_inherit.h> +#include <vm/lock.h> +/* #include <i386/thread.h> */ /* for thread_status */ +#include <machine/frame.h> /* for struct trapframe */ +/* #include <i386/eflags.h> */ +#include <machine/eflags.h> /* from Mach... */ +/* #include <i386/trap.h> */ +#include <machine/trap.h> + +#define i386_saved_state trapframe +/* end of mangling */ + +typedef vm_offset_t db_addr_t; /* address - unsigned */ +typedef int db_expr_t; /* expression - signed */ + +typedef struct i386_saved_state db_regs_t; +db_regs_t ddb_regs; /* register state */ +#define DDB_REGS (&ddb_regs) + +#define PC_REGS(regs) ((db_addr_t)(regs)->tf_eip) + +#define BKPT_INST 0xcc /* breakpoint instruction */ +#define BKPT_SIZE (1) /* size of breakpoint inst */ +#define BKPT_SET(inst) (BKPT_INST) + +#define FIXUP_PC_AFTER_BREAK ddb_regs.tf_eip -= 1; + +#define db_clear_single_step(regs) ((regs)->tf_eflags &= ~EFL_TF) +#define db_set_single_step(regs) ((regs)->tf_eflags |= EFL_TF) + +/* #define IS_BREAKPOINT_TRAP(type, code) ((type) == T_INT3) */ +/* #define IS_WATCHPOINT_TRAP(type, code) ((type) == T_WATCHPOINT) */ +/* using the 386bsd values, rather than the Mach ones: */ +#define IS_BREAKPOINT_TRAP(type, code) ((type) == T_BPTFLT) +#define IS_WATCHPOINT_TRAP(type, code) ((type) == T_KDBTRAP) + +#define I_CALL 0xe8 +#define I_CALLI 0xff +#define I_RET 0xc3 +#define I_IRET 0xcf + +#define inst_trap_return(ins) (((ins)&0xff) == I_IRET) +#define inst_return(ins) (((ins)&0xff) == I_RET) +#define inst_call(ins) (((ins)&0xff) == I_CALL || \ + (((ins)&0xff) == I_CALLI && \ + ((ins)&0x3800) == 0x1000)) +#define inst_load(ins) 0 +#define inst_store(ins) 0 + +/* access capability and access macros */ + +#define DB_ACCESS_LEVEL 2 /* access any space */ +#define DB_CHECK_ACCESS(addr,size,task) \ + db_check_access(addr,size,task) +#define DB_PHYS_EQ(task1,addr1,task2,addr2) \ + db_phys_eq(task1,addr1,task2,addr2) +#define DB_VALID_KERN_ADDR(addr) \ + ((addr) >= VM_MIN_KERNEL_ADDRESS && \ + (addr) < VM_MAX_KERNEL_ADDRESS) +#define DB_VALID_ADDRESS(addr,user) \ + ((!(user) && DB_VALID_KERN_ADDR(addr)) || \ + ((user) && (addr) < VM_MIN_KERNEL_ADDRESS)) + +boolean_t db_check_access(/* vm_offset_t, int, task_t */); +boolean_t db_phys_eq(/* task_t, vm_offset_t, task_t, vm_offset_t */); + +/* macros for printing OS server dependent task name */ + +#define DB_TASK_NAME(task) db_task_name(task) +#define DB_TASK_NAME_TITLE "COMMAND " +#define DB_TASK_NAME_LEN 23 +#define DB_NULL_TASK_NAME "? " + +void db_task_name(/* task_t */); + +/* macro for checking if a thread has used floating-point */ + +#define db_thread_fp_used(thread) ((thread)->pcb->ims.ifps != 0) + +#endif /* _I386_DB_MACHDEP_H_ */ diff --git a/sys/i386/include/endian.h b/sys/i386/include/endian.h new file mode 100644 index 0000000..404bf49 --- /dev/null +++ b/sys/i386/include/endian.h @@ -0,0 +1,117 @@ +/* + * Copyright (c) 1987, 1991 Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)endian.h 7.8 (Berkeley) 4/3/91 + * + * PATCHES MAGIC LEVEL PATCH THAT GOT US HERE + * -------------------- ----- ---------------------- + * CURRENT PATCH LEVEL: 1 00093 + * -------------------- ----- ---------------------- + * + * 27 Feb 93 Charles Hannum Better byte-swapping macros for + * i386/i486. + */ + +/* + * Definitions for byte order, according to byte significance from low + * address to high. + */ +#define LITTLE_ENDIAN 1234 /* LSB first: i386, vax */ +#define BIG_ENDIAN 4321 /* MSB first: 68000, ibm, net */ +#define PDP_ENDIAN 3412 /* LSB first in word, MSW first in long */ + +#define BYTE_ORDER LITTLE_ENDIAN + +#ifndef KERNEL +#include <sys/cdefs.h> +#endif + +#define __word_swap_long(x) \ +({ register u_long X = (x); \ + asm ("rorl $16, %1" \ + : "=r" (X) \ + : "0" (X)); \ + X; }) +#if __GNUC__ >= 2 +#define __byte_swap_long(x) \ +({ register u_long X = (x); \ + asm ("xchgb %h1, %b1\n\trorl $16, %1\n\txchgb %h1, %b1" \ + : "=q" (X) \ + : "0" (X)); \ + X; }) +#define __byte_swap_word(x) \ +({ register u_short X = (x); \ + asm ("xchgb %h1, %b1" \ + : "=q" (X) \ + : "0" (X)); \ + X; }) +#else /* __GNUC__ >= 2 */ +#define __byte_swap_long(x) \ +({ register u_long X = (x); \ + asm ("rorw $8, %w1\n\trorl $16, %1\n\trorw $8, %w1" \ + : "=r" (X) \ + : "0" (X)); \ + X; }) +#define __byte_swap_word(x) \ +({ register u_short X = (x); \ + asm ("rorw $8, %w1" \ + : "=r" (X) \ + : "0" (X)); \ + X; }) +#endif /* __GNUC__ >= 2 */ + +/* + * Macros for network/external number representation conversion. + */ +#if BYTE_ORDER == BIG_ENDIAN && !defined(lint) +#define ntohl(x) (x) +#define ntohs(x) (x) +#define htonl(x) (x) +#define htons(x) (x) + +#define NTOHL(x) (x) +#define NTOHS(x) (x) +#define HTONL(x) (x) +#define HTONS(x) (x) + +#else + +#define ntohl __byte_swap_long +#define ntohs __byte_swap_word +#define htonl __byte_swap_long +#define htons __byte_swap_word + +#define NTOHL(x) (x) = ntohl((u_long)x) +#define NTOHS(x) (x) = ntohs((u_short)x) +#define HTONL(x) (x) = htonl((u_long)x) +#define HTONS(x) (x) = htons((u_short)x) +#endif diff --git a/sys/i386/include/float.h b/sys/i386/include/float.h new file mode 100644 index 0000000..edfe0d9 --- /dev/null +++ b/sys/i386/include/float.h @@ -0,0 +1,74 @@ +/* + * Copyright (c) 1989 Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)float.h 7.1 (Berkeley) 5/8/90 + * + * PATCHES MAGIC LEVEL PATCH THAT GOT US HERE + * -------------------- ----- ---------------------- + * CURRENT PATCH LEVEL: 1 00086 + * -------------------- ----- ---------------------- + * + * 27 Feb 93 Handel/da Silva/Poirot Adjust value for MAX_DOUBLE + */ + +#define FLT_RADIX 2 /* b */ +#define FLT_ROUNDS 1 /* FP addition rounds to nearest */ + +#define FLT_MANT_DIG 24 /* p */ +#define FLT_EPSILON 1.19209290E-07F /* b**(1-p) */ +#define FLT_DIG 6 /* floor((p-1)*log10(b))+(b == 10) */ +#define FLT_MIN_EXP -125 /* emin */ +#define FLT_MIN 1.17549435E-38F /* b**(emin-1) */ +#define FLT_MIN_10_EXP -37 /* ceil(log10(b**(emin-1))) */ +#define FLT_MAX_EXP 128 /* emax */ +#define FLT_MAX 3.40282347E+38F /* (1-b**(-p))*b**emax */ +#define FLT_MAX_10_EXP 38 /* floor(log10((1-b**(-p))*b**emax)) */ + +#define DBL_MANT_DIG 53 +#define DBL_EPSILON 2.2204460492503131E-16 +#define DBL_DIG 15 +#define DBL_MIN_EXP -1021 +#define DBL_MIN 2.225073858507201E-308 +#define DBL_MIN_10_EXP -307 +#define DBL_MAX_EXP 1024 +#define DBL_MAX 1.797693134862315E+308 +#define DBL_MAX_10_EXP 308 + +#define LDBL_MANT_DIG DBL_MANT_DIG +#define LDBL_EPSILON DBL_EPSILON +#define LDBL_DIG DBL_DIG +#define LDBL_MIN_EXP DBL_MIN_EXP +#define LDBL_MIN DBL_MIN +#define LDBL_MIN_10_EXP DBL_MIN_10_EXP +#define LDBL_MAX_EXP DBL_MAX_EXP +#define LDBL_MAX DBL_MAX +#define LDBL_MAX_10_EXP DBL_MAX_10_EXP diff --git a/sys/i386/include/frame.h b/sys/i386/include/frame.h new file mode 100644 index 0000000..4dbabd1 --- /dev/null +++ b/sys/i386/include/frame.h @@ -0,0 +1,116 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)frame.h 5.2 (Berkeley) 1/18/91 + */ + +/* + * System stack frames. + */ + +/* + * Exception/Trap Stack Frame + */ + +struct trapframe { + int tf_es; + int tf_ds; + int tf_edi; + int tf_esi; + int tf_ebp; + int tf_isp; + int tf_ebx; + int tf_edx; + int tf_ecx; + int tf_eax; + int tf_trapno; + /* below portion defined in 386 hardware */ + int tf_err; + int tf_eip; + int tf_cs; + int tf_eflags; + /* below only when transitting rings (e.g. user to kernel) */ + int tf_esp; + int tf_ss; +}; + +/* Interrupt stack frame */ + +struct intrframe { + int if_vec; + int if_ppl; + int if_es; + int if_ds; + int if_edi; + int if_esi; + int if_ebp; + int :32; + int if_ebx; + int if_edx; + int if_ecx; + int if_eax; + int :32; /* for compat with trap frame - trapno */ + int :32; /* for compat with trap frame - err */ + /* below portion defined in 386 hardware */ + int if_eip; + int if_cs; + int if_eflags; + /* below only when transitting rings (e.g. user to kernel) */ + int if_esp; + int if_ss; +}; + +/* + * Call Gate/System Call Stack Frame + */ + +struct syscframe { + int sf_edi; + int sf_esi; + int sf_ebp; + int :32; /* redundant save of isp */ + int sf_ebx; + int sf_edx; + int sf_ecx; + int sf_eax; + int sf_eflags; + /* below portion defined in 386 hardware */ +/* int sf_args[N]; /* if call gate copy args enabled!*/ + int sf_eip; + int sf_cs; + /* below only when transitting rings (e.g. user to kernel) */ + int sf_esp; + int sf_ss; +}; diff --git a/sys/i386/include/limits.h b/sys/i386/include/limits.h new file mode 100644 index 0000000..73474608 --- /dev/null +++ b/sys/i386/include/limits.h @@ -0,0 +1,57 @@ +/* + * Copyright (c) 1988 The Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)limits.h 7.2 (Berkeley) 6/28/90 + */ + +#define CHAR_BIT 8 /* number of bits in a char */ +#define CLK_TCK 60 /* ticks per second */ +#define MB_LEN_MAX 1 /* no multibyte characters */ + +#define SCHAR_MIN (-0x7f-1) /* max value for a signed char */ +#define SCHAR_MAX 0x7f /* min value for a signed char */ + +#define UCHAR_MAX 0xff /* max value for an unsigned char */ +#define CHAR_MAX 0x7f /* max value for a char */ +#define CHAR_MIN (-0x7f-1) /* min value for a char */ + +#define USHRT_MAX 0xffff /* max value for an unsigned short */ +#define SHRT_MAX 0x7fff /* max value for a short */ +#define SHRT_MIN (-0x7fff-1) /* min value for a short */ + +#define UINT_MAX 0xffffffff /* max value for an unsigned int */ +#define INT_MAX 0x7fffffff /* max value for an int */ +#define INT_MIN (-0x7fffffff-1) /* min value for an int */ + +#define ULONG_MAX 0xffffffff /* max value for an unsigned long */ +#define LONG_MAX 0x7fffffff /* max value for a long */ +#define LONG_MIN (-0x7fffffff-1) /* min value for a long */ diff --git a/sys/i386/include/mtpr.h b/sys/i386/include/mtpr.h new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/sys/i386/include/mtpr.h diff --git a/sys/i386/include/npx.h b/sys/i386/include/npx.h new file mode 100644 index 0000000..134e0c1 --- /dev/null +++ b/sys/i386/include/npx.h @@ -0,0 +1,146 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)npx.h 5.3 (Berkeley) 1/18/91 + * + * PATCHES MAGIC LEVEL PATCH THAT GOT US HERE + * -------------------- ----- ---------------------- + * CURRENT PATCH LEVEL: 1 00154 + * -------------------- ----- ---------------------- + * + * 20 Apr 93 Bruce Evans New npx-0.5 code + * + */ + +/* + * 287/387 NPX Coprocessor Data Structures and Constants + * W. Jolitz 1/90 + */ + +#ifndef ___NPX87___ +#define ___NPX87___ + +/* Environment information of floating point unit */ +struct env87 { + long en_cw; /* control word (16bits) */ + long en_sw; /* status word (16bits) */ + long en_tw; /* tag word (16bits) */ + long en_fip; /* floating point instruction pointer */ + u_short en_fcs; /* floating code segment selector */ + u_short en_opcode; /* opcode last executed (11 bits ) */ + long en_foo; /* floating operand offset */ + long en_fos; /* floating operand segment selector */ +}; + +/* Contents of each floating point accumulator */ +struct fpacc87 { +#ifdef dontdef /* too unportable */ + u_long fp_mantlo; /* mantissa low (31:0) */ + u_long fp_manthi; /* mantissa high (63:32) */ + int fp_exp:15; /* exponent */ + int fp_sgn:1; /* mantissa sign */ +#else + u_char fp_bytes[10]; +#endif +}; + +/* Floating point context */ +struct save87 { + struct env87 sv_env; /* floating point control/status */ + struct fpacc87 sv_ac[8]; /* accumulator contents, 0-7 */ +#ifndef dontdef + u_long sv_ex_sw; /* status word for last exception (was pad) */ + u_long sv_ex_tw; /* tag word for last exception (was pad) */ + u_char sv_pad[8 * 2 - 2 * 4]; /* bogus historical padding */ +#endif +}; + +/* Cyrix EMC memory - mapped coprocessor context switch information */ +struct emcsts { + long em_msw; /* memory mapped status register when swtched */ + long em_tar; /* memory mapped temp A register when swtched */ + long em_dl; /* memory mapped D low register when swtched */ +}; + +/* Intel prefers long real (53 bit) precision */ +#define __iBCS_NPXCW__ 0x262 +/* wfj prefers temporary real (64 bit) precision */ +#define __386BSD_NPXCW__ 0x362 +/* + * bde prefers 53 bit precision and all exceptions masked. + * + * The standard control word from finit is 0x37F, giving: + * + * round to nearest + * 64-bit precision + * all exceptions masked. + * + * Now I want: + * + * affine mode for 287's (if they work at all) (1 in bitfield 1<<12) + * 53-bit precision (2 in bitfield 3<<8) + * overflow exception unmasked (0 in bitfield 1<<3) + * zero divide exception unmasked (0 in bitfield 1<<2) + * invalid-operand exception unmasked (0 in bitfield 1<<0). + * + * 64-bit precision often gives bad results with high level languages + * because it makes the results of calculations depend on whether + * intermediate values are stored in memory or in FPU registers. + * + * The "Intel" and wfj control words have: + * + * underflow exception unmasked (0 in bitfield 1<<4) + * + * but that causes an unexpected exception in the test program 'paranoia' + * and makes denormals useless (DBL_MIN / 2 underflows). It doesn't make + * a lot of sense to trap underflow without trapping denormals. + * + * Later I will want the IEEE default of all exceptions masked. See the + * 0.0 math manpage for why this is better. The 0.1 math manpage is empty. + */ +#define __BDE_NPXCW__ 0x1272 +#define __BETTER_BDE_NPXCW__ 0x127f + +#ifdef __BROKEN_NPXCW__ +#ifdef __386BSD__ +#define __INITIAL_NPXCW__ __386BSD_NPXCW__ +#else +#define __INITIAL_NPXCW__ __iBCS_NPXCW__ +#endif +#else +#define __INITIAL_NPXCW__ __BDE_NPXCW__ +#endif + +#endif ___NPX87___ diff --git a/sys/i386/include/param.h b/sys/i386/include/param.h new file mode 100644 index 0000000..1ee217a --- /dev/null +++ b/sys/i386/include/param.h @@ -0,0 +1,164 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)param.h 5.8 (Berkeley) 6/28/91 + * + * PATCHES MAGIC LEVEL PATCH THAT GOT US HERE + * -------------------- ----- ---------------------- + * CURRENT PATCH LEVEL: 2 00166 + * -------------------- ----- ---------------------- + * + * 08 Apr 93 Andrew Herbert Fixes for kmem_alloc panics + * Rodney W. Grimes Tuneable mbuf sizes + * 04 Jun 93 Rodney W. Grimes Change default mbuf size to 2048 via + * MCLSHIFT. + */ + +/* + * Machine dependent constants for Intel 386. + */ + +#define MACHINE "i386" + +/* + * Round p (pointer or byte index) up to a correctly-aligned value + * for all data types (int, long, ...). The result is u_int and + * must be cast to any desired pointer type. + */ +#define ALIGN(p) (((u_int)(p) + (sizeof(int) - 1)) &~ (sizeof(int) - 1)) + +#define NBPG 4096 /* bytes/page */ +#define PGOFSET (NBPG-1) /* byte offset into page */ +#define PGSHIFT 12 /* LOG2(NBPG) */ +#define NPTEPG (NBPG/(sizeof (struct pte))) + +#define NBPDR (1024*NBPG) /* bytes/page dir */ +#define PDROFSET (NBPDR-1) /* byte offset into page dir */ +#define PDRSHIFT 22 /* LOG2(NBPDR) */ + +#define KERNBASE 0xFE000000 /* start of kernel virtual */ +#define BTOPKERNBASE ((u_long)KERNBASE >> PGSHIFT) + +#define DEV_BSIZE 512 +#define DEV_BSHIFT 9 /* log2(DEV_BSIZE) */ +#define BLKDEV_IOSIZE 2048 +#define MAXPHYS (64 * 1024) /* max raw I/O transfer size */ + +#define CLSIZE 1 +#define CLSIZELOG2 0 + +/* NOTE: SSIZE, SINCR and UPAGES must be multiples of CLSIZE */ +#define SSIZE 1 /* initial stack size/NBPG */ +#define SINCR 1 /* increment of stack/NBPG */ + +#define UPAGES 2 /* pages of u-area */ + +/* + * Constants related to network buffer management. + * MCLBYTES must be no larger than CLBYTES (the software page size), and, + * on machines that exchange pages of input or output buffers with mbuf + * clusters (MAPPED_MBUFS), MCLBYTES must also be an integral multiple + * of the hardware page size. + */ +#ifndef MSIZE +#define MSIZE 128 /* size of an mbuf */ +#endif /* MSIZE */ + +#ifndef MCLSHIFT +#define MCLSHIFT 11 /* convert bytes to m_buf clusters */ +#endif /* MCLSHIFT */ +#define MCLBYTES (1 << MCLSHIFT) /* size of an m_buf cluster */ +#define MCLOFSET (MCLBYTES - 1) /* offset within an m_buf cluster */ + +#ifndef NMBCLUSTERS +#ifdef GATEWAY +#define NMBCLUSTERS 512 /* map size, max cluster allocation */ +#else +#define NMBCLUSTERS 256 /* map size, max cluster allocation */ +#endif /* GATEWAY */ +#endif /* NMBCLUSTERS */ + +/* + * Size of kernel malloc arena in CLBYTES-sized logical pages + */ +#ifndef NKMEMCLUSTERS +#define NKMEMCLUSTERS (3072*1024/CLBYTES) +#endif +/* + * Some macros for units conversion + */ +/* Core clicks (4096 bytes) to segments and vice versa */ +#define ctos(x) (x) +#define stoc(x) (x) + +/* Core clicks (4096 bytes) to disk blocks */ +#define ctod(x) ((x)<<(PGSHIFT-DEV_BSHIFT)) +#define dtoc(x) ((x)>>(PGSHIFT-DEV_BSHIFT)) +#define dtob(x) ((x)<<DEV_BSHIFT) + +/* clicks to bytes */ +#define ctob(x) ((x)<<PGSHIFT) + +/* bytes to clicks */ +#define btoc(x) (((unsigned)(x)+(NBPG-1))>>PGSHIFT) + +#define btodb(bytes) /* calculates (bytes / DEV_BSIZE) */ \ + ((unsigned)(bytes) >> DEV_BSHIFT) +#define dbtob(db) /* calculates (db * DEV_BSIZE) */ \ + ((unsigned)(db) << DEV_BSHIFT) + +/* + * Map a ``block device block'' to a file system block. + * This should be device dependent, and will be if we + * add an entry to cdevsw/bdevsw for that purpose. + * For now though just use DEV_BSIZE. + */ +#define bdbtofsb(bn) ((bn) / (BLKDEV_IOSIZE/DEV_BSIZE)) + +/* + * Mach derived conversion macros + */ +#define i386_round_pdr(x) ((((unsigned)(x)) + NBPDR - 1) & ~(NBPDR-1)) +#define i386_trunc_pdr(x) ((unsigned)(x) & ~(NBPDR-1)) +#define i386_round_page(x) ((((unsigned)(x)) + NBPG - 1) & ~(NBPG-1)) +#define i386_trunc_page(x) ((unsigned)(x) & ~(NBPG-1)) +#define i386_btod(x) ((unsigned)(x) >> PDRSHIFT) +#define i386_dtob(x) ((unsigned)(x) << PDRSHIFT) +#define i386_btop(x) ((unsigned)(x) >> PGSHIFT) +#define i386_ptob(x) ((unsigned)(x) << PGSHIFT) + +#ifndef KERNEL +#define DELAY(n) { volatile int N = (n); while (--N > 0); } +#endif diff --git a/sys/i386/include/pc/display.h b/sys/i386/include/pc/display.h new file mode 100644 index 0000000..cab46e4 --- /dev/null +++ b/sys/i386/include/pc/display.h @@ -0,0 +1,43 @@ +/* + * IBM PC display definitions + */ + +/* Color attributes for foreground text */ + +#define FG_BLACK 0 +#define FG_BLUE 1 +#define FG_GREEN 2 +#define FG_CYAN 3 +#define FG_RED 4 +#define FG_MAGENTA 5 +#define FG_BROWN 6 +#define FG_LIGHTGREY 7 +#define FG_DARKGREY 8 +#define FG_LIGHTBLUE 9 +#define FG_LIGHTGREEN 10 +#define FG_LIGHTCYAN 11 +#define FG_LIGHTRED 12 +#define FG_LIGHTMAGENTA 13 +#define FG_YELLOW 14 +#define FG_WHITE 15 +#define FG_BLINK 0x80 + +/* Color attributes for text background */ + +#define BG_BLACK 0x00 +#define BG_BLUE 0x10 +#define BG_GREEN 0x20 +#define BG_CYAN 0x30 +#define BG_RED 0x40 +#define BG_MAGENTA 0x50 +#define BG_BROWN 0x60 +#define BG_LIGHTGREY 0x70 + +/* Monochrome attributes for foreground text */ + +#define FG_UNDERLINE 0x01 +#define FG_INTENSE 0x08 + +/* Monochrome attributes for text background */ + +#define BG_INTENSE 0x10 diff --git a/sys/i386/include/pc/msdos.h b/sys/i386/include/pc/msdos.h new file mode 100644 index 0000000..8d1eb7b --- /dev/null +++ b/sys/i386/include/pc/msdos.h @@ -0,0 +1,63 @@ +/* + * msdos common header file + * [obtained from mtools -wfj] + * how to decipher DOS disk structures in coexisting with DOS + */ + +#define MSECTOR_SIZE 512 /* MSDOS sector size in bytes */ +#define MDIR_SIZE 32 /* MSDOS directory size in bytes */ +#define MAX_CLUSTER 8192 /* largest cluster size */ +#define MAX_PATH 128 /* largest MSDOS path length */ +#define MAX_DIR_SECS 64 /* largest directory (in sectors) */ + +#define NEW 1 +#define OLD 0 + +struct directory { + unsigned char name[8]; /* file name */ + unsigned char ext[3]; /* file extension */ + unsigned char attr; /* attribute byte */ + unsigned char reserved[10]; /* ?? */ + unsigned char time[2]; /* time stamp */ + unsigned char date[2]; /* date stamp */ + unsigned char start[2]; /* starting cluster number */ + unsigned char size[4]; /* size of the file */ +}; + +struct bootsector { + unsigned char jump[3]; /* Jump to boot code */ + unsigned char banner[8]; /* OEM name & version */ + unsigned char secsiz[2]; /* Bytes per sector hopefully 512 */ + unsigned char clsiz; /* Cluster size in sectors */ + unsigned char nrsvsect[2]; /* Number of reserved (boot) sectors */ + unsigned char nfat; /* Number of FAT tables hopefully 2 */ + unsigned char dirents[2]; /* Number of directory slots */ + unsigned char psect[2]; /* Total sectors on disk */ + unsigned char descr; /* Media descriptor=first byte of FAT */ + unsigned char fatlen[2]; /* Sectors in FAT */ + unsigned char nsect[2]; /* Sectors/track */ + unsigned char nheads[2]; /* Heads */ + unsigned char nhs[4]; /* number of hidden sectors */ + unsigned char bigsect[4]; /* big total sectors */ + unsigned char junk[476]; /* who cares? */ +}; + +/* DOS partition table -- located in boot block */ + +#define DOSBBSECTOR 0 /* DOS boot block relative sector number */ +#define DOSPARTOFF 446 +#define NDOSPART 4 + +struct dos_partition { + unsigned char dp_flag; /* bootstrap flags */ + unsigned char dp_shd; /* starting head */ + unsigned char dp_ssect; /* starting sector */ + unsigned char dp_scyl; /* starting cylinder */ + unsigned char dp_typ; /* partition type */ +#define DOSPTYP_386BSD 0xa5 /* 386BSD partition type */ + unsigned char dp_ehd; /* end head */ + unsigned char dp_esect; /* end sector */ + unsigned char dp_ecyl; /* end cylinder */ + unsigned long dp_start; /* absolute starting sector number */ + unsigned long dp_size; /* partition size in sectors */ +} dos_partitions[NDOSPART]; diff --git a/sys/i386/include/pcb.h b/sys/i386/include/pcb.h new file mode 100644 index 0000000..92bd810 --- /dev/null +++ b/sys/i386/include/pcb.h @@ -0,0 +1,87 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)pcb.h 5.10 (Berkeley) 5/12/91 + * + * PATCHES MAGIC LEVEL PATCH THAT GOT US HERE + * -------------------- ----- ---------------------- + * CURRENT PATCH LEVEL: 1 00154 + * -------------------- ----- ---------------------- + * + * 20 Apr 93 Bruce Evans New npx-0.5 code + * + */ + +/* + * Intel 386 process control block + */ +#include "machine/tss.h" +#include "machine/npx.h" + +struct pcb { + struct i386tss pcb_tss; +#define pcb_ksp pcb_tss.tss_esp0 +#define pcb_ptd pcb_tss.tss_cr3 +#define pcb_cr3 pcb_ptd +#define pcb_pc pcb_tss.tss_eip +#define pcb_psl pcb_tss.tss_eflags +#define pcb_usp pcb_tss.tss_esp +#define pcb_fp pcb_tss.tss_ebp +#ifdef notyet + u_char pcb_iomap[NPORT/sizeof(u_char)]; /* i/o port bitmap */ +#endif + struct save87 pcb_savefpu; /* floating point state for 287/387 */ + struct emcsts pcb_saveemc; /* Cyrix EMC state */ +/* + * Software pcb (extension) + */ + int pcb_flags; +#ifdef notused +#define FP_WASUSED 0x01 /* process has used fltng pnt hardware */ +#define FP_NEEDSSAVE 0x02 /* ... that needs save on next context switch */ +#define FP_NEEDSRESTORE 0x04 /* ... that needs restore on next DNA fault */ +#endif +#define FP_USESEMC 0x08 /* process uses EMC memory-mapped mode */ +#define FM_TRAP 0x10 /* process entered kernel on a trap frame */ +#define FP_SOFTFP 0x20 /* process using software fltng pnt emulator */ + short pcb_iml; /* interrupt mask level */ + caddr_t pcb_onfault; /* copyin/out fault recovery */ + long pcb_sigc[8]; /* XXX signal code trampoline */ + int pcb_cmap2; /* XXX temporary PTE - will prefault instead */ +}; + +#ifdef KERNEL +struct pcb *curpcb; /* our current running pcb */ +#endif diff --git a/sys/i386/include/pmap.h b/sys/i386/include/pmap.h new file mode 100644 index 0000000..2eff22f --- /dev/null +++ b/sys/i386/include/pmap.h @@ -0,0 +1,234 @@ +/* + * Copyright (c) 1991 Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * the Systems Programming Group of the University of Utah Computer + * Science Department and William Jolitz of UUNET Technologies Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)pmap.h 7.4 (Berkeley) 5/12/91 + */ + +/* + * Derived from hp300 version by Mike Hibler, this version by William + * Jolitz uses a recursive map [a pde points to the page directory] to + * map the page tables using the pagetables themselves. This is done to + * reduce the impact on kernel virtual memory for lots of sparse address + * space, and to reduce the cost of memory to each process. + * + * from hp300: @(#)pmap.h 7.2 (Berkeley) 12/16/90 + */ + +#ifndef _PMAP_MACHINE_ +#define _PMAP_MACHINE_ 1 + +/* + * 386 page table entry and page table directory + * W.Jolitz, 8/89 + */ + +struct pde +{ +unsigned int + pd_v:1, /* valid bit */ + pd_prot:2, /* access control */ + pd_mbz1:2, /* reserved, must be zero */ + pd_u:1, /* hardware maintained 'used' bit */ + :1, /* not used */ + pd_mbz2:2, /* reserved, must be zero */ + :3, /* reserved for software */ + pd_pfnum:20; /* physical page frame number of pte's*/ +}; + +#define PD_MASK 0xffc00000 /* page directory address bits */ +#define PT_MASK 0x003ff000 /* page table address bits */ +#define PD_SHIFT 22 /* page directory address shift */ +#define PG_SHIFT 12 /* page table address shift */ + +struct pte +{ +unsigned int + pg_v:1, /* valid bit */ + pg_prot:2, /* access control */ + pg_mbz1:2, /* reserved, must be zero */ + pg_u:1, /* hardware maintained 'used' bit */ + pg_m:1, /* hardware maintained modified bit */ + pg_mbz2:2, /* reserved, must be zero */ + pg_w:1, /* software, wired down page */ + :1, /* software (unused) */ + pg_nc:1, /* 'uncacheable page' bit */ + pg_pfnum:20; /* physical page frame number */ +}; + +#define PG_V 0x00000001 +#define PG_RO 0x00000000 +#define PG_RW 0x00000002 +#define PG_u 0x00000004 +#define PG_PROT 0x00000006 /* all protection bits . */ +#define PG_W 0x00000200 +#define PG_N 0x00000800 /* Non-cacheable */ +#define PG_M 0x00000040 +#define PG_U 0x00000020 +#define PG_FRAME 0xfffff000 + +#define PG_NOACC 0 +#define PG_KR 0x00000000 +#define PG_KW 0x00000002 +#define PG_URKR 0x00000004 +#define PG_URKW 0x00000004 +#define PG_UW 0x00000006 + +/* Garbage for current bastardized pager that assumes a hp300 */ +#define PG_NV 0 +#define PG_CI 0 +/* + * Page Protection Exception bits + */ + +#define PGEX_P 0x01 /* Protection violation vs. not present */ +#define PGEX_W 0x02 /* during a Write cycle */ +#define PGEX_U 0x04 /* access from User mode (UPL) */ + +typedef struct pde pd_entry_t; /* page directory entry */ +typedef struct pte pt_entry_t; /* Mach page table entry */ + +/* + * One page directory, shared between + * kernel and user modes. + */ +#define I386_PAGE_SIZE NBPG +#define I386_PDR_SIZE NBPDR + +#define I386_KPDES 8 /* KPT page directory size */ +#define I386_UPDES NBPDR/sizeof(struct pde)-8 /* UPT page directory size */ + +#define UPTDI 0x3f6 /* ptd entry for u./kernel&user stack */ +#define PTDPTDI 0x3f7 /* ptd entry that points to ptd! */ +#define KPTDI_FIRST 0x3f8 /* start of kernel virtual pde's */ +#define KPTDI_LAST 0x3fA /* last of kernel virtual pde's */ + +/* + * Address of current and alternate address space page table maps + * and directories. + */ +#ifdef KERNEL +extern struct pte PTmap[], APTmap[], Upte; +extern struct pde PTD[], APTD[], PTDpde, APTDpde, Upde; +extern pt_entry_t *Sysmap; + +extern int IdlePTD; /* physical address of "Idle" state directory */ +#endif + +/* + * virtual address to page table entry and + * to physical address. Likewise for alternate address space. + * Note: these work recursively, thus vtopte of a pte will give + * the corresponding pde that in turn maps it. + */ +#define vtopte(va) (PTmap + i386_btop(va)) +#define kvtopte(va) vtopte(va) +#define ptetov(pt) (i386_ptob(pt - PTmap)) +#define vtophys(va) (i386_ptob(vtopte(va)->pg_pfnum) | ((int)(va) & PGOFSET)) +#define ispt(va) ((va) >= UPT_MIN_ADDRESS && (va) <= KPT_MAX_ADDRESS) + +#define avtopte(va) (APTmap + i386_btop(va)) +#define ptetoav(pt) (i386_ptob(pt - APTmap)) +#define avtophys(va) (i386_ptob(avtopte(va)->pg_pfnum) | ((int)(va) & PGOFSET)) + +/* + * macros to generate page directory/table indicies + */ + +#define pdei(va) (((va)&PD_MASK)>>PD_SHIFT) +#define ptei(va) (((va)&PT_MASK)>>PG_SHIFT) + +/* + * Pmap stuff + */ + +struct pmap { + pd_entry_t *pm_pdir; /* KVA of page directory */ + boolean_t pm_pdchanged; /* pdir changed */ + short pm_dref; /* page directory ref count */ + short pm_count; /* pmap reference count */ + simple_lock_data_t pm_lock; /* lock on pmap */ + struct pmap_statistics pm_stats; /* pmap statistics */ + long pm_ptpages; /* more stats: PT pages */ +}; + +typedef struct pmap *pmap_t; + +#ifdef KERNEL +extern pmap_t kernel_pmap; +#endif + +/* + * Macros for speed + */ +#define PMAP_ACTIVATE(pmapp, pcbp) \ + if ((pmapp) != NULL /*&& (pmapp)->pm_pdchanged */) { \ + (pcbp)->pcb_cr3 = \ + pmap_extract(kernel_pmap, (pmapp)->pm_pdir); \ + if ((pmapp) == &curproc->p_vmspace->vm_pmap) \ + load_cr3((pcbp)->pcb_cr3); \ + (pmapp)->pm_pdchanged = FALSE; \ + } + +#define PMAP_DEACTIVATE(pmapp, pcbp) + +/* + * For each vm_page_t, there is a list of all currently valid virtual + * mappings of that page. An entry is a pv_entry_t, the list is pv_table. + */ +typedef struct pv_entry { + struct pv_entry *pv_next; /* next pv_entry */ + pmap_t pv_pmap; /* pmap where mapping lies */ + vm_offset_t pv_va; /* virtual address for mapping */ + int pv_flags; /* flags */ +} *pv_entry_t; + +#define PV_ENTRY_NULL ((pv_entry_t) 0) + +#define PV_CI 0x01 /* all entries must be cache inhibited */ +#define PV_PTPAGE 0x02 /* entry maps a page table page */ + +#ifdef KERNEL + +pv_entry_t pv_table; /* array of entries, one per page */ + +#define pa_index(pa) atop(pa - vm_first_phys) +#define pa_to_pvh(pa) (&pv_table[pa_index(pa)]) + +#define pmap_resident_count(pmap) ((pmap)->pm_stats.resident_count) + +#endif KERNEL + +#endif _PMAP_MACHINE_ diff --git a/sys/i386/include/proc.h b/sys/i386/include/proc.h new file mode 100644 index 0000000..02f3c01 --- /dev/null +++ b/sys/i386/include/proc.h @@ -0,0 +1,47 @@ +/* + * Copyright (c) 1991 Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)proc.h 7.1 (Berkeley) 5/15/91 + */ + +/* + * Machine-dependent part of the proc structure for hp300. + */ +struct mdproc { + int md_flags; /* machine-dependent flags */ +#ifdef notyet + int *p_regs; /* registers on current frame */ +#endif +}; + +/* md_flags */ +#define MDP_AST 0x0001 /* async trap pending */ diff --git a/sys/i386/include/psl.h b/sys/i386/include/psl.h new file mode 100644 index 0000000..aee73ed --- /dev/null +++ b/sys/i386/include/psl.h @@ -0,0 +1,60 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)psl.h 5.2 (Berkeley) 1/18/91 + */ + +/* + * 386 processor status longword. + */ +#define PSL_C 0x00000001 /* carry bit */ +#define PSL_PF 0x00000004 /* parity bit */ +#define PSL_AF 0x00000010 /* bcd carry bit */ +#define PSL_Z 0x00000040 /* zero bit */ +#define PSL_N 0x00000080 /* negative bit */ +#define PSL_T 0x00000100 /* trace enable bit */ +#define PSL_I 0x00000200 /* interrupt enable bit */ +#define PSL_D 0x00000400 /* string instruction direction bit */ +#define PSL_V 0x00000800 /* overflow bit */ +#define PSL_IOPL 0x00003000 /* i/o priviledge level enable */ +#define PSL_NT 0x00004000 /* nested task bit */ +#define PSL_RF 0x00010000 /* restart flag bit */ +#define PSL_VM 0x00020000 /* virtual 8086 mode bit */ + +#define PSL_MBZ 0xfffc7fb7 /* must be zero bits */ +#define PSL_MBO 0x00000002 /* must be one bits */ + +#define PSL_USERSET (PSL_IOPL) +#define PSL_USERCLR (PSL_I|PSL_NT) diff --git a/sys/i386/include/reg.h b/sys/i386/include/reg.h new file mode 100644 index 0000000..bc2f05c --- /dev/null +++ b/sys/i386/include/reg.h @@ -0,0 +1,93 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)reg.h 5.5 (Berkeley) 1/18/91 + */ + +/* + * Location of the users' stored + * registers within appropriate frame of 'trap' and 'syscall', relative to + * base of stack frame. + * Normal usage is u.u_ar0[XX] in kernel. + */ + +/* When referenced during a trap/exception, registers are at these offsets */ + +#define tES (0) +#define tDS (1) +#define tEDI (2) +#define tESI (3) +#define tEBP (4) + +#define tEBX (6) +#define tEDX (7) +#define tECX (8) +#define tEAX (9) + +#define tEIP (12) +#define tCS (13) +#define tEFLAGS (14) +#define tESP (15) +#define tSS (16) + +/* During a system call, registers are at these offsets instead of above. */ + +#define sEDI (0) +#define sESI (1) +#define sEBP (2) + +#define sEBX (4) +#define sEDX (5) +#define sECX (6) +#define sEAX (7) +#define sEFLAGS (8) +#define sEIP (9) +#define sCS (10) +#define sESP (11) +#define sSS (12) + +#define PC sEIP +#define SP sESP +#define PS sEFLAGS +#define R0 sEDX +#define R1 sECX +/* + * Registers accessible to ptrace(2) syscall for debugger + */ +#ifdef IPCREG +#define NIPCREG 14 +int ipcreg[NIPCREG] = + { tES,tDS,tEDI,tESI,tEBP,tEBX,tEDX,tECX,tEAX,tEIP,tCS,tEFLAGS,tESP,tSS }; +#endif diff --git a/sys/i386/include/segments.h b/sys/i386/include/segments.h new file mode 100644 index 0000000..0456e59 --- /dev/null +++ b/sys/i386/include/segments.h @@ -0,0 +1,196 @@ +/*- + * Copyright (c) 1989, 1990 William F. Jolitz + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)segments.h 7.1 (Berkeley) 5/9/91 + */ + +/* + * 386 Segmentation Data Structures and definitions + * William F. Jolitz (william@ernie.berkeley.edu) 6/20/1989 + */ + +/* + * Selectors + */ + +#define ISPL(s) ((s)&3) /* what is the priority level of a selector */ +#define SEL_KPL 0 /* kernel priority level */ +#define SEL_UPL 3 /* user priority level */ +#define ISLDT(s) ((s)&SEL_LDT) /* is it local or global */ +#define SEL_LDT 4 /* local descriptor table */ +#define IDXSEL(s) (((s)>>3) & 0x1fff) /* index of selector */ +#define LSEL(s,r) (((s)<<3) | SEL_LDT | r) /* a local selector */ +#define GSEL(s,r) (((s)<<3) | r) /* a global selector */ + +/* + * Memory and System segment descriptors + */ +struct segment_descriptor { + unsigned sd_lolimit:16 ; /* segment extent (lsb) */ + unsigned sd_lobase:24 ; /* segment base address (lsb) */ + unsigned sd_type:5 ; /* segment type */ + unsigned sd_dpl:2 ; /* segment descriptor priority level */ + unsigned sd_p:1 ; /* segment descriptor present */ + unsigned sd_hilimit:4 ; /* segment extent (msb) */ + unsigned sd_xx:2 ; /* unused */ + unsigned sd_def32:1 ; /* default 32 vs 16 bit size */ + unsigned sd_gran:1 ; /* limit granularity (byte/page units)*/ + unsigned sd_hibase:8 ; /* segment base address (msb) */ +} ; + +/* + * Gate descriptors (e.g. indirect descriptors) + */ +struct gate_descriptor { + unsigned gd_looffset:16 ; /* gate offset (lsb) */ + unsigned gd_selector:16 ; /* gate segment selector */ + unsigned gd_stkcpy:5 ; /* number of stack wds to cpy */ + unsigned gd_xx:3 ; /* unused */ + unsigned gd_type:5 ; /* segment type */ + unsigned gd_dpl:2 ; /* segment descriptor priority level */ + unsigned gd_p:1 ; /* segment descriptor present */ + unsigned gd_hioffset:16 ; /* gate offset (msb) */ +} ; + +/* + * Generic descriptor + */ +union descriptor { + struct segment_descriptor sd; + struct gate_descriptor gd; +}; + + /* system segments and gate types */ +#define SDT_SYSNULL 0 /* system null */ +#define SDT_SYS286TSS 1 /* system 286 TSS available */ +#define SDT_SYSLDT 2 /* system local descriptor table */ +#define SDT_SYS286BSY 3 /* system 286 TSS busy */ +#define SDT_SYS286CGT 4 /* system 286 call gate */ +#define SDT_SYSTASKGT 5 /* system task gate */ +#define SDT_SYS286IGT 6 /* system 286 interrupt gate */ +#define SDT_SYS286TGT 7 /* system 286 trap gate */ +#define SDT_SYSNULL2 8 /* system null again */ +#define SDT_SYS386TSS 9 /* system 386 TSS available */ +#define SDT_SYSNULL3 10 /* system null again */ +#define SDT_SYS386BSY 11 /* system 386 TSS busy */ +#define SDT_SYS386CGT 12 /* system 386 call gate */ +#define SDT_SYSNULL4 13 /* system null again */ +#define SDT_SYS386IGT 14 /* system 386 interrupt gate */ +#define SDT_SYS386TGT 15 /* system 386 trap gate */ + + /* memory segment types */ +#define SDT_MEMRO 16 /* memory read only */ +#define SDT_MEMROA 17 /* memory read only accessed */ +#define SDT_MEMRW 18 /* memory read write */ +#define SDT_MEMRWA 19 /* memory read write accessed */ +#define SDT_MEMROD 20 /* memory read only expand dwn limit */ +#define SDT_MEMRODA 21 /* memory read only expand dwn limit accessed */ +#define SDT_MEMRWD 22 /* memory read write expand dwn limit */ +#define SDT_MEMRWDA 23 /* memory read write expand dwn limit acessed */ +#define SDT_MEME 24 /* memory execute only */ +#define SDT_MEMEA 25 /* memory execute only accessed */ +#define SDT_MEMER 26 /* memory execute read */ +#define SDT_MEMERA 27 /* memory execute read accessed */ +#define SDT_MEMEC 28 /* memory execute only conforming */ +#define SDT_MEMEAC 29 /* memory execute only accessed conforming */ +#define SDT_MEMERC 30 /* memory execute read conforming */ +#define SDT_MEMERAC 31 /* memory execute read accessed conforming */ + +/* is memory segment descriptor pointer ? */ +#define ISMEMSDP(s) ((s->d_type) >= SDT_MEMRO && (s->d_type) <= SDT_MEMERAC) + +/* is 286 gate descriptor pointer ? */ +#define IS286GDP(s) (((s->d_type) >= SDT_SYS286CGT \ + && (s->d_type) < SDT_SYS286TGT)) + +/* is 386 gate descriptor pointer ? */ +#define IS386GDP(s) (((s->d_type) >= SDT_SYS386CGT \ + && (s->d_type) < SDT_SYS386TGT)) + +/* is gate descriptor pointer ? */ +#define ISGDP(s) (IS286GDP(s) || IS386GDP(s)) + +/* is segment descriptor pointer ? */ +#define ISSDP(s) (ISMEMSDP(s) || !ISGDP(s)) + +/* is system segment descriptor pointer ? */ +#define ISSYSSDP(s) (!ISMEMSDP(s) && !ISGDP(s)) + +/* + * Software definitions are in this convenient format, + * which are translated into inconvenient segment descriptors + * when needed to be used by the 386 hardware + */ + +struct soft_segment_descriptor { + unsigned ssd_base ; /* segment base address */ + unsigned ssd_limit ; /* segment extent */ + unsigned ssd_type:5 ; /* segment type */ + unsigned ssd_dpl:2 ; /* segment descriptor priority level */ + unsigned ssd_p:1 ; /* segment descriptor present */ + unsigned ssd_xx:4 ; /* unused */ + unsigned ssd_xx1:2 ; /* unused */ + unsigned ssd_def32:1 ; /* default 32 vs 16 bit size */ + unsigned ssd_gran:1 ; /* limit granularity (byte/page units)*/ +}; + +extern ssdtosd() ; /* to decode a ssd */ +extern sdtossd() ; /* to encode a sd */ + +/* + * region descriptors, used to load gdt/idt tables before segments yet exist. + */ +struct region_descriptor { + unsigned rd_limit:16; /* segment extent */ + unsigned rd_base:32; /* base address */ +}; + +/* + * Segment Protection Exception code bits + */ + +#define SEGEX_EXT 0x01 /* recursive or externally induced */ +#define SEGEX_IDT 0x02 /* interrupt descriptor table */ +#define SEGEX_TI 0x04 /* local descriptor table */ + /* other bits are affected descriptor index */ +#define SEGEX_IDX(s) ((s)>>3)&0x1fff) + +/* + * Size of IDT table + */ + +#define NIDT 256 +#define NRSVIDT 32 /* reserved entries for cpu exceptions */ diff --git a/sys/i386/include/specialreg.h b/sys/i386/include/specialreg.h new file mode 100644 index 0000000..d1908c9 --- /dev/null +++ b/sys/i386/include/specialreg.h @@ -0,0 +1,67 @@ +/*- + * Copyright (c) 1991 The Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)specialreg.h 7.1 (Berkeley) 5/9/91 + * + * PATCHES MAGIC LEVEL PATCH THAT GOT US HERE + * -------------------- ----- ---------------------- + * CURRENT PATCH LEVEL: 1 00154 + * -------------------- ----- ---------------------- + * + * 20 Apr 93 Bruce Evans New npx-0.5 code + * + */ + +/* + * Bits in 386 special registers: + */ + +#define CR0_PE 0x00000001 /* Protected mode Enable */ +#define CR0_MP 0x00000002 /* "Math" Present (NPX or NPX emulator) */ +#ifdef notused +#define CR0_EM 0x00000004 /* EMulate non-NPX coproc. (trap ESC only) */ +#endif +#define CR0_TS 0x00000008 /* Task Switched (if MP, trap ESC and WAIT) */ +#ifdef notused +#define CR0_ET 0x00000010 /* Extension Type (387 (if set) vs 287) */ +#endif +#define CR0_PG 0x80000000 /* PaGing enable */ + +/* + * Bits in 486 special registers: + */ + +#define CR0_NE 0x00000020 /* Numeric Error enable (EX16 vs IRQ13) */ +#define CR0_WP 0x00010000 /* Write Protect (honor ~PG_W in all modes) */ +#ifdef notyet +#define CR0_AM 0x00040000 /* Alignment Mask (set to enable AC flag) */ +#endif diff --git a/sys/i386/include/stdarg.h b/sys/i386/include/stdarg.h new file mode 100644 index 0000000..f499253 --- /dev/null +++ b/sys/i386/include/stdarg.h @@ -0,0 +1,53 @@ +/*- + * Copyright (c) 1991 The Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)stdarg.h 7.2 (Berkeley) 5/4/91 + */ + +typedef char *va_list; + +#ifdef KERNEL +#define va_arg(ap, type) \ + ((type *)(ap += sizeof(type)))[-1] +#else +#define va_arg(ap, type) \ + ((type *)(ap += sizeof(type) < sizeof(int) ? \ + (abort(), 0) : sizeof(type)))[-1] +#endif + +#define va_end(ap) + +#define __va_promote(type) \ + (((sizeof(type) + sizeof(int) - 1) / sizeof(int)) * sizeof(int)) + +#define va_start(ap, last) \ + (ap = ((char *)&(last) + __va_promote(last))) diff --git a/sys/i386/include/trap.h b/sys/i386/include/trap.h new file mode 100644 index 0000000..6015605 --- /dev/null +++ b/sys/i386/include/trap.h @@ -0,0 +1,96 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)trap.h 5.4 (Berkeley) 5/9/91 + */ + +/* + * Trap type values + * also known in trap.c for name strings + */ + +#define T_RESADFLT 0 /* reserved addressing */ +#define T_PRIVINFLT 1 /* privileged instruction */ +#define T_RESOPFLT 2 /* reserved operand */ +#define T_BPTFLT 3 /* breakpoint instruction */ +#define T_SYSCALL 5 /* system call (kcall) */ +#define T_ARITHTRAP 6 /* arithmetic trap */ +#define T_ASTFLT 7 /* system forced exception */ +#define T_SEGFLT 8 /* segmentation (limit) fault */ +#define T_PROTFLT 9 /* protection fault */ +#define T_TRCTRAP 10 /* trace trap */ +#define T_PAGEFLT 12 /* page fault */ +#define T_TABLEFLT 13 /* page table fault */ +#define T_ALIGNFLT 14 /* alignment fault */ +#define T_KSPNOTVAL 15 /* kernel stack pointer not valid */ +#define T_BUSERR 16 /* bus error */ +#define T_KDBTRAP 17 /* kernel debugger trap */ + +#define T_DIVIDE 18 /* integer divide fault */ +#define T_NMI 19 /* non-maskable trap */ +#define T_OFLOW 20 /* overflow trap */ +#define T_BOUND 21 /* bound instruction fault */ +#define T_DNA 22 /* device not available fault */ +#define T_DOUBLEFLT 23 /* double fault */ +#define T_FPOPFLT 24 /* fp coprocessor operand fetch fault */ +#define T_TSSFLT 25 /* invalid tss fault */ +#define T_SEGNPFLT 26 /* segment not present fault */ +#define T_STKFLT 27 /* stack fault */ +#define T_RESERVED 28 /* reserved fault base */ + +/* definitions for <sys/signal.h> */ +#define ILL_RESAD_FAULT T_RESADFLT +#define ILL_PRIVIN_FAULT T_PRIVINFLT +#define ILL_RESOP_FAULT T_RESOPFLT +#define ILL_ALIGN_FAULT T_ALIGNFLT +#define ILL_FPOP_FAULT T_FPOPFLT /* coprocessor operand fault */ + +/* codes for SIGFPE/ARITHTRAP */ +#define FPE_INTOVF_TRAP 0x1 /* integer overflow */ +#define FPE_INTDIV_TRAP 0x2 /* integer divide by zero */ +#define FPE_FLTDIV_TRAP 0x3 /* floating/decimal divide by zero */ +#define FPE_FLTOVF_TRAP 0x4 /* floating overflow */ +#define FPE_FLTUND_TRAP 0x5 /* floating underflow */ +#define FPE_FPU_NP_TRAP 0x6 /* floating point unit not present */ +#define FPE_SUBRNG_TRAP 0x7 /* subrange out of bounds */ + +/* codes for SIGBUS */ +#define BUS_PAGE_FAULT T_PAGEFLT /* page fault protection base */ +#define BUS_SEGNP_FAULT T_SEGNPFLT /* segment not present */ +#define BUS_STK_FAULT T_STKFLT /* stack segment */ +#define BUS_SEGM_FAULT T_RESERVED /* segment protection base */ + +/* Trap's coming from user mode */ +#define T_USER 0x100 diff --git a/sys/i386/include/tss.h b/sys/i386/include/tss.h new file mode 100644 index 0000000..8ba140d --- /dev/null +++ b/sys/i386/include/tss.h @@ -0,0 +1,78 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)tss.h 5.4 (Berkeley) 1/18/91 + */ + +/* + * Intel 386 Context Data Type + */ + +struct i386tss { + int tss_link; /* actually 16 bits: top 16 bits must be zero */ + int tss_esp0; /* kernel stack pointer priviledge level 0 */ +#define tss_ksp tss_esp0 + int tss_ss0; /* actually 16 bits: top 16 bits must be zero */ + int tss_esp1; /* kernel stack pointer priviledge level 1 */ + int tss_ss1; /* actually 16 bits: top 16 bits must be zero */ + int tss_esp2; /* kernel stack pointer priviledge level 2 */ + int tss_ss2; /* actually 16 bits: top 16 bits must be zero */ + /* struct ptd *tss_cr3; /* page table directory */ + int tss_cr3; /* page table directory */ +#define tss_ptd tss_cr3 + int tss_eip; /* program counter */ +#define tss_pc tss_eip + int tss_eflags; /* program status longword */ +#define tss_psl tss_eflags + int tss_eax; + int tss_ecx; + int tss_edx; + int tss_ebx; + int tss_esp; /* user stack pointer */ +#define tss_usp tss_esp + int tss_ebp; /* user frame pointer */ +#define tss_fp tss_ebp + int tss_esi; + int tss_edi; + int tss_es; /* actually 16 bits: top 16 bits must be zero */ + int tss_cs; /* actually 16 bits: top 16 bits must be zero */ + int tss_ss; /* actually 16 bits: top 16 bits must be zero */ + int tss_ds; /* actually 16 bits: top 16 bits must be zero */ + int tss_fs; /* actually 16 bits: top 16 bits must be zero */ + int tss_gs; /* actually 16 bits: top 16 bits must be zero */ + int tss_ldt; /* actually 16 bits: top 16 bits must be zero */ + int tss_ioopt; /* options & io offset bitmap: currently zero */ + /* XXX unimplemented .. i/o permission bitmap */ +}; diff --git a/sys/i386/include/types.h b/sys/i386/include/types.h new file mode 100644 index 0000000..9eeaef3 --- /dev/null +++ b/sys/i386/include/types.h @@ -0,0 +1,50 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)types.h 7.5 (Berkeley) 3/9/91 + */ + +#ifndef _MACHTYPES_H_ +#define _MACHTYPES_H_ + +typedef struct _physadr { + int r[1]; +} *physadr; + +typedef struct label_t { + int val[6]; +} label_t; + +typedef u_long vm_offset_t; +typedef u_long vm_size_t; + +#endif /* _MACHTYPES_H_ */ diff --git a/sys/i386/include/vmparam.h b/sys/i386/include/vmparam.h new file mode 100644 index 0000000..39403d6 --- /dev/null +++ b/sys/i386/include/vmparam.h @@ -0,0 +1,256 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)vmparam.h 5.9 (Berkeley) 5/12/91 + */ + + +/* + * Machine dependent constants for 386. + */ + +/* + * Virtual address space arrangement. On 386, both user and kernel + * share the address space, not unlike the vax. + * USRTEXT is the start of the user text/data space, while USRSTACK + * is the top (end) of the user stack. Immediately above the user stack + * resides the user structure, which is UPAGES long and contains the + * kernel stack. + * + * Immediately after the user structure is the page table map, and then + * kernal address space. + */ +#define USRTEXT 0 +#define USRSTACK 0xFDBFE000 +#define BTOPUSRSTACK (0xFDC00-(UPAGES)) /* btop(USRSTACK) */ +#define LOWPAGES 0 +#define HIGHPAGES UPAGES + +/* + * Virtual memory related constants, all in bytes + */ +#define MAXTSIZ (6*1024*1024) /* max text size */ +#ifndef DFLDSIZ +#define DFLDSIZ (6*1024*1024) /* initial data size limit */ +#endif +#ifndef MAXDSIZ +#define MAXDSIZ (32*1024*1024) /* max data size */ +#endif +#ifndef DFLSSIZ +#define DFLSSIZ (512*1024) /* initial stack size limit */ +#endif +#ifndef MAXSSIZ +#define MAXSSIZ MAXDSIZ /* max stack size */ +#endif + +/* + * Default sizes of swap allocation chunks (see dmap.h). + * The actual values may be changed in vminit() based on MAXDSIZ. + * With MAXDSIZ of 16Mb and NDMAP of 38, dmmax will be 1024. + */ +#define DMMIN 32 /* smallest swap allocation */ +#define DMMAX 4096 /* largest potential swap allocation */ +#define DMTEXT 1024 /* swap allocation for text */ + +/* + * Sizes of the system and user portions of the system page table. + */ +#define SYSPTSIZE (2*NPTEPG) +#define USRPTSIZE (2*NPTEPG) + +/* + * Size of User Raw I/O map + */ +#define USRIOSIZE 300 + +/* + * The size of the clock loop. + */ +#define LOOPPAGES (maxfree - firstfree) + +/* + * The time for a process to be blocked before being very swappable. + * This is a number of seconds which the system takes as being a non-trivial + * amount of real time. You probably shouldn't change this; + * it is used in subtle ways (fractions and multiples of it are, that is, like + * half of a ``long time'', almost a long time, etc.) + * It is related to human patience and other factors which don't really + * change over time. + */ +#define MAXSLP 20 + +/* + * A swapped in process is given a small amount of core without being bothered + * by the page replacement algorithm. Basically this says that if you are + * swapped in you deserve some resources. We protect the last SAFERSS + * pages against paging and will just swap you out rather than paging you. + * Note that each process has at least UPAGES+CLSIZE pages which are not + * paged anyways (this is currently 8+2=10 pages or 5k bytes), so this + * number just means a swapped in process is given around 25k bytes. + * Just for fun: current memory prices are 4600$ a megabyte on VAX (4/22/81), + * so we loan each swapped in process memory worth 100$, or just admit + * that we don't consider it worthwhile and swap it out to disk which costs + * $30/mb or about $0.75. + * { wfj 6/16/89: Retail AT memory expansion $800/megabyte, loan of $17 + * on disk costing $7/mb or $0.18 (in memory still 100:1 in cost!) } + */ +#define SAFERSS 8 /* nominal ``small'' resident set size + protected against replacement */ + +/* + * DISKRPM is used to estimate the number of paging i/o operations + * which one can expect from a single disk controller. + */ +#define DISKRPM 60 + +/* + * Klustering constants. Klustering is the gathering + * of pages together for pagein/pageout, while clustering + * is the treatment of hardware page size as though it were + * larger than it really is. + * + * KLMAX gives maximum cluster size in CLSIZE page (cluster-page) + * units. Note that KLMAX*CLSIZE must be <= DMMIN in dmap.h. + */ + +#define KLMAX (4/CLSIZE) +#define KLSEQL (2/CLSIZE) /* in klust if vadvise(VA_SEQL) */ +#define KLIN (4/CLSIZE) /* default data/stack in klust */ +#define KLTXT (4/CLSIZE) /* default text in klust */ +#define KLOUT (4/CLSIZE) + +/* + * KLSDIST is the advance or retard of the fifo reclaim for sequential + * processes data space. + */ +#define KLSDIST 3 /* klusters advance/retard for seq. fifo */ + +/* + * Paging thresholds (see vm_sched.c). + * Strategy of 1/19/85: + * lotsfree is 512k bytes, but at most 1/4 of memory + * desfree is 200k bytes, but at most 1/8 of memory + * minfree is 64k bytes, but at most 1/2 of desfree + */ +#define LOTSFREE (512 * 1024) +#define LOTSFREEFRACT 4 +#define DESFREE (200 * 1024) +#define DESFREEFRACT 8 +#define MINFREE (64 * 1024) +#define MINFREEFRACT 2 + +/* + * There are two clock hands, initially separated by HANDSPREAD bytes + * (but at most all of user memory). The amount of time to reclaim + * a page once the pageout process examines it increases with this + * distance and decreases as the scan rate rises. + */ +#define HANDSPREAD (2 * 1024 * 1024) + +/* + * The number of times per second to recompute the desired paging rate + * and poke the pagedaemon. + */ +#define RATETOSCHEDPAGING 4 + +/* + * Believed threshold (in megabytes) for which interleaved + * swapping area is desirable. + */ +#define LOTSOFMEM 2 + +#define mapin(pte, v, pfnum, prot) \ + {(*(int *)(pte) = ((pfnum)<<PGSHIFT) | (prot)) ; } + +/* + * Mach derived constants + */ + +/* user/kernel map constants */ +#define VM_MIN_ADDRESS ((vm_offset_t)0) +#define VM_MAXUSER_ADDRESS ((vm_offset_t)0xFDBFE000) +#define UPT_MIN_ADDRESS ((vm_offset_t)0xFDC00000) +#define UPT_MAX_ADDRESS ((vm_offset_t)0xFDFF7000) +#define VM_MAX_ADDRESS UPT_MAX_ADDRESS +#define VM_MIN_KERNEL_ADDRESS ((vm_offset_t)0xFDFF7000) +#define UPDT VM_MIN_KERNEL_ADDRESS +#define KPT_MIN_ADDRESS ((vm_offset_t)0xFDFF8000) +#define KPT_MAX_ADDRESS ((vm_offset_t)0xFDFFF000) +#define VM_MAX_KERNEL_ADDRESS ((vm_offset_t)0xFF7FF000) + +/* virtual sizes (bytes) for various kernel submaps */ +#define VM_MBUF_SIZE (NMBCLUSTERS*MCLBYTES) +#define VM_KMEM_SIZE (NKMEMCLUSTERS*CLBYTES) +#define VM_PHYS_SIZE (USRIOSIZE*CLBYTES) + +/* # of kernel PT pages (initial only, can grow dynamically) */ +#define VM_KERNEL_PT_PAGES ((vm_size_t)2) /* XXX: SYSPTSIZE */ + +/* pcb base */ +#define pcbb(p) ((u_int)(p)->p_addr) + +/* + * Flush MMU TLB + */ + +#ifndef I386_CR3PAT +#define I386_CR3PAT 0x0 +#endif + +#ifdef notyet +#define _cr3() ({u_long rtn; \ + asm (" movl %%cr3,%%eax; movl %%eax,%0 " \ + : "=g" (rtn) \ + : \ + : "ax"); \ + rtn; \ +}) + +#define load_cr3(s) ({ u_long val; \ + val = (s) | I386_CR3PAT; \ + asm ("movl %0,%%eax; movl %%eax,%%cr3" \ + : \ + : "g" (val) \ + : "ax"); \ +}) + +#define tlbflush() ({ u_long val; \ + val = u.u_pcb.pcb_ptd | I386_CR3PAT; \ + asm ("movl %0,%%eax; movl %%eax,%%cr3" \ + : \ + : "g" (val) \ + : "ax"); \ +}) +#endif |
