Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files. =================================================================== RCS file: /ftp/cvs/cvsroot/src/sys/arch/i386/include/cpu.h,v rcsdiff: /ftp/cvs/cvsroot/src/sys/arch/i386/include/cpu.h,v: warning: Unknown phrases like `commitid ...;' are present. retrieving revision 1.57.2.1 retrieving revision 1.57.2.2 diff -u -p -r1.57.2.1 -r1.57.2.2 --- src/sys/arch/i386/include/cpu.h 1999/11/06 01:14:00 1.57.2.1 +++ src/sys/arch/i386/include/cpu.h 1999/11/06 01:14:01 1.57.2.2 @@ -0,0 +1,245 @@ +/* $NetBSD: cpu.h,v 1.57.2.2 1999/11/06 01:14:01 enami Exp $ */ + +/*- + * 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 + */ + +#ifndef _I386_CPU_H_ +#define _I386_CPU_H_ + +/* + * Definitions unique to i386 cpu support. + */ +#include +#include +#include + +/* + * definitions of cpu-dependent requirements + * referenced in generic code + */ +#define cpu_swapin(p) /* nothing */ +#define cpu_number() 0 + +/* + * Arguments to hardclock, softclock and statclock + * encapsulate the previous machine state in an opaque + * clockframe; for now, use generic intrframe. + * + * XXX intrframe has a lot of gunk we don't need. + */ +#define clockframe intrframe + +#define CLKF_USERMODE(frame) USERMODE((frame)->if_cs, (frame)->if_eflags) +#define CLKF_BASEPRI(frame) ((frame)->if_ppl == 0) +#define CLKF_PC(frame) ((frame)->if_eip) +#define CLKF_INTR(frame) (0) /* XXX should have an interrupt stack */ + +/* + * Preempt the current process if in interrupt from user mode, + * or after the current trap/syscall if in system mode. + */ +int want_resched; /* resched() was called */ +#define need_resched() (want_resched = 1, setsoftast()) + +/* + * Give a profiling tick to the current process when the user profiling + * buffer pages are invalid. On the i386, request an ast to send us + * through trap(), marking the proc as needing a profiling tick. + */ +#define need_proftick(p) ((p)->p_flag |= P_OWEUPC, setsoftast()) + +/* + * Notify the current process (p) that it has a signal pending, + * process as soon as possible. + */ +#define signotify(p) setsoftast() + +/* + * We need a machine-independent name for this. + */ +#define DELAY(x) delay(x) +void delay __P((int)); + +/* + * pull in #defines for kinds of processors + */ +#include + +struct cpu_nocpuid_nameclass { + int cpu_vendor; + const char *cpu_vendorname; + const char *cpu_name; + int cpu_class; + void (*cpu_setup) __P((void)); +}; + + +struct cpu_cpuid_nameclass { + const char *cpu_id; + int cpu_vendor; + const char *cpu_vendorname; + struct cpu_cpuid_family { + int cpu_class; + const char *cpu_models[CPU_MAXMODEL+2]; + void (*cpu_setup) __P((void)); + } cpu_family[CPU_MAXFAMILY - CPU_MINFAMILY + 1]; +}; + +#ifdef _KERNEL +extern int cpu; +extern int cpu_class; +extern int cpu_feature; +extern int cpuid_level; +extern struct cpu_nocpuid_nameclass i386_nocpuid_cpus[]; +extern struct cpu_cpuid_nameclass i386_cpuid_cpus[]; + +/* machdep.c */ +void delay __P((int)); +void dumpconf __P((void)); +void cpu_reset __P((void)); +void i386_proc0_tss_ldt_init __P((void)); +void i386_bufinit __P((void)); + +/* locore.s */ +struct region_descriptor; +void lgdt __P((struct region_descriptor *)); +void fillw __P((short, void *, size_t)); + +struct pcb; +void savectx __P((struct pcb *)); +void switch_exit __P((struct proc *)); +void proc_trampoline __P((void)); + +/* clock.c */ +void initrtclock __P((void)); +void startrtclock __P((void)); + +/* npx.c */ +void npxdrop __P((void)); +void npxsave __P((void)); + +/* vm_machdep.c */ +int kvtop __P((caddr_t)); + +#if !defined(_LKM) +#include "opt_math_emulate.h" +#endif +#ifdef MATH_EMULATE +/* math_emulate.c */ +int math_emulate __P((struct trapframe *)); +#endif + +#if !defined(_LKM) +#include "opt_user_ldt.h" +#endif +#ifdef USER_LDT +/* sys_machdep.h */ +void i386_user_cleanup __P((struct pcb *)); +int i386_get_ldt __P((struct proc *, char *, register_t *)); +int i386_set_ldt __P((struct proc *, char *, register_t *)); +#endif + +/* isa_machdep.c */ +void isa_defaultirq __P((void)); +int isa_nmi __P((void)); + +#if !defined(_LKM) +#include "opt_vm86.h" +#endif +#ifdef VM86 +/* vm86.c */ +void vm86_gpfault __P((struct proc *, int)); +#endif /* VM86 */ + +/* trap.c */ +void child_return __P((void *)); + +#endif /* _KERNEL */ + +/* + * CTL_MACHDEP definitions. + */ +#define CPU_CONSDEV 1 /* dev_t: console terminal device */ +#define CPU_BIOSBASEMEM 2 /* int: bios-reported base mem (K) */ +#define CPU_BIOSEXTMEM 3 /* int: bios-reported ext. mem (K) */ +#define CPU_NKPDE 4 /* int: number of kernel PDEs */ +#define CPU_BOOTED_KERNEL 5 /* string: booted kernel name */ +#define CPU_DISKINFO 6 /* disk geometry information */ +#define CPU_FPU_PRESENT 7 /* FPU is present */ +#define CPU_MAXID 8 /* number of valid machdep ids */ + +#define CTL_MACHDEP_NAMES { \ + { 0, 0 }, \ + { "console_device", CTLTYPE_STRUCT }, \ + { "biosbasemem", CTLTYPE_INT }, \ + { "biosextmem", CTLTYPE_INT }, \ + { "nkpde", CTLTYPE_INT }, \ + { "booted_kernel", CTLTYPE_STRING }, \ + { "diskinfo", CTLTYPE_STRUCT }, \ + { "fpu_present", CTLTYPE_INT }, \ +} + + +/* + * Structure for CPU_DISKINFO sysctl call. + * XXX this should be somewhere else. + */ +#define MAX_BIOSDISKS 16 + +struct disklist { + int dl_nbiosdisks; /* number of bios disks */ + struct biosdisk_info { + int bi_dev; /* BIOS device # (0x80 ..) */ + int bi_cyl; /* cylinders on disk */ + int bi_head; /* heads per track */ + int bi_sec; /* sectors per track */ + u_int64_t bi_lbasecs; /* total sec. (iff ext13) */ +#define BIFLAG_INVALID 0x01 +#define BIFLAG_EXTINT13 0x02 + int bi_flags; + } dl_biosdisks[MAX_BIOSDISKS]; + + int dl_nnativedisks; /* number of native disks */ + struct nativedisk_info { + char ni_devname[16]; /* native device name */ + int ni_nmatches; /* # of matches w/ BIOS */ + int ni_biosmatches[MAX_BIOSDISKS]; /* indices in dl_biosdisks */ + } dl_nativedisks[1]; /* actually longer */ +}; + +#endif /* !_I386_CPU_H_ */