242 lines
7.2 KiB
C
242 lines
7.2 KiB
C
/* $NetBSD: cpu.h,v 1.4 2002/06/03 18:23:16 fvdl Exp $ */
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/*-
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* Copyright (c) 1990 The Regents of the University of California.
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* All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* William Jolitz.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)cpu.h 5.4 (Berkeley) 5/9/91
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*/
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/*
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* XXXfvdl plain copy of i386 version, but may change enough in the
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* future to be separate.
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*/
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#ifndef _X86_64_CPU_H_
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#define _X86_64_CPU_H_
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#if defined(_KERNEL) && !defined(_LKM)
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#include "opt_multiprocessor.h"
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#include "opt_lockdebug.h"
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#endif
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/*
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* Definitions unique to x86-64 cpu support.
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*/
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#include <machine/psl.h>
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#include <machine/frame.h>
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#include <machine/segments.h>
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#include <sys/sched.h>
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struct cpu_info {
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struct schedstate_percpu ci_schedstate; /* scheduler state */
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#if defined(DIAGNOSTIC) || defined(LOCKDEBUG)
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u_long ci_spin_locks; /* # of spin locks held */
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u_long ci_simple_locks; /* # of simple locks held */
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#endif
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u_int64_t ci_scratch;
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};
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#ifdef _KERNEL
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extern struct cpu_info cpu_info_store;
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#define curcpu() (&cpu_info_store)
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#endif
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/*
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* definitions of cpu-dependent requirements
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* referenced in generic code
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*/
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#define cpu_swapin(p) /* nothing */
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#define cpu_number() 0
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/*
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* Arguments to hardclock, softclock and statclock
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* encapsulate the previous machine state in an opaque
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* clockframe; for now, use generic intrframe.
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*
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* XXX intrframe has a lot of gunk we don't need.
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*/
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#define clockframe intrframe
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#define CLKF_USERMODE(frame) USERMODE((frame)->if_cs, (frame)->if_rflags)
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#define CLKF_BASEPRI(frame) ((frame)->if_ppl == 0)
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#define CLKF_PC(frame) ((frame)->if_rip)
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#define CLKF_INTR(frame) ((frame)->if_ppl & (1 << IPL_TAGINTR))
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/*
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* This is used during profiling to integrate system time. It can safely
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* assume that the process is resident.
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*/
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#define PROC_PC(p) ((p)->p_md.md_regs->tf_rip)
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/*
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* Preempt the current process if in interrupt from user mode,
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* or after the current trap/syscall if in system mode.
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*/
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int want_resched; /* resched() was called */
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#define need_resched(ci) (want_resched = 1, setsoftast())
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/*
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* Give a profiling tick to the current process when the user profiling
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* buffer pages are invalid. On the i386, request an ast to send us
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* through trap(), marking the proc as needing a profiling tick.
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*/
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#define need_proftick(p) ((p)->p_flag |= P_OWEUPC, setsoftast())
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/*
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* Notify the current process (p) that it has a signal pending,
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* process as soon as possible.
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*/
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#define signotify(p) setsoftast()
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/*
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* We need a machine-independent name for this.
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*/
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#define DELAY(x) delay(x)
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/*
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* pull in #defines for kinds of processors
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*/
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#ifdef _KERNEL
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extern int biosbasemem;
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extern int biosextmem;
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extern int cpu;
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extern int cpu_feature;
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extern int cpu_id;
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extern char cpu_vendor[];
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extern int cpuid_level;
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/* machdep.c */
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void delay __P((int));
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void dumpconf __P((void));
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void cpu_reset __P((void));
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void x86_64_proc0_tss_ldt_init __P((void));
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void x86_64_bufinit __P((void));
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/* locore.s */
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struct region_descriptor;
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void lgdt __P((struct region_descriptor *));
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void fillw __P((short, void *, size_t));
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struct pcb;
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void savectx __P((struct pcb *));
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void switch_exit __P((struct proc *));
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void proc_trampoline __P((void));
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void child_trampoline __P((void));
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/* clock.c */
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void initrtclock __P((void));
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void startrtclock __P((void));
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/* vm_machdep.c */
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int kvtop __P((caddr_t));
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#if 0 /* XXXfvdl was USER_LDT, need to check if that can be supported */
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/* sys_machdep.h */
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int i386_get_ldt __P((struct proc *, void *, register_t *));
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int i386_set_ldt __P((struct proc *, void *, register_t *));
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#endif
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/* isa_machdep.c */
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void isa_defaultirq __P((void));
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int isa_nmi __P((void));
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/* trap.c */
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void child_return __P((void *));
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/* consinit.c */
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void kgdb_port_init __P((void));
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/* bus_machdep.c */
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void x86_64_bus_space_init __P((void));
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void x86_64_bus_space_mallocok __P((void));
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#endif /* _KERNEL */
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/*
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* CTL_MACHDEP definitions.
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*/
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#define CPU_CONSDEV 1 /* dev_t: console terminal device */
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#define CPU_BIOSBASEMEM 2 /* int: bios-reported base mem (K) */
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#define CPU_BIOSEXTMEM 3 /* int: bios-reported ext. mem (K) */
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#define CPU_NKPDE 4 /* int: number of kernel PDEs */
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#define CPU_BOOTED_KERNEL 5 /* string: booted kernel name */
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#define CPU_DISKINFO 6 /* disk geometry information */
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#define CPU_FPU_PRESENT 7 /* FPU is present */
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#define CPU_MAXID 8 /* number of valid machdep ids */
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#define CTL_MACHDEP_NAMES { \
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{ 0, 0 }, \
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{ "console_device", CTLTYPE_STRUCT }, \
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{ "biosbasemem", CTLTYPE_INT }, \
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{ "biosextmem", CTLTYPE_INT }, \
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{ "nkpde", CTLTYPE_INT }, \
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{ "booted_kernel", CTLTYPE_STRING }, \
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{ "diskinfo", CTLTYPE_STRUCT }, \
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{ "fpu_present", CTLTYPE_INT }, \
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}
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/*
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* Structure for CPU_DISKINFO sysctl call.
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* XXX this should be somewhere else.
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*/
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#define MAX_BIOSDISKS 16
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struct disklist {
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int dl_nbiosdisks; /* number of bios disks */
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struct biosdisk_info {
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int bi_dev; /* BIOS device # (0x80 ..) */
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int bi_cyl; /* cylinders on disk */
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int bi_head; /* heads per track */
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int bi_sec; /* sectors per track */
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u_int64_t bi_lbasecs; /* total sec. (iff ext13) */
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#define BIFLAG_INVALID 0x01
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#define BIFLAG_EXTINT13 0x02
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int bi_flags;
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} dl_biosdisks[MAX_BIOSDISKS];
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int dl_nnativedisks; /* number of native disks */
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struct nativedisk_info {
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char ni_devname[16]; /* native device name */
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int ni_nmatches; /* # of matches w/ BIOS */
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int ni_biosmatches[MAX_BIOSDISKS]; /* indices in dl_biosdisks */
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} dl_nativedisks[1]; /* actually longer */
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};
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#endif /* !_X86_64_CPU_H_ */
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