1/*- 2 * Copyright (c) 1995 Bruce D. Evans. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the author nor the names of contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 *
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29 * $FreeBSD: head/sys/amd64/include/md_var.h 83366 2001-09-12 08:38:13Z julian $
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29 * $FreeBSD: head/sys/amd64/include/md_var.h 83651 2001-09-18 23:32:09Z peter $ |
30 */ 31 32#ifndef _MACHINE_MD_VAR_H_ 33#define _MACHINE_MD_VAR_H_ 34 35/* 36 * Miscellaneous machine-dependent declarations. 37 */ 38 39extern int Maxmem; 40extern u_int atdevbase; /* offset in virtual memory of ISA io mem */ 41extern void (*bcopy_vector) __P((const void *from, void *to, size_t len)); 42extern int busdma_swi_pending; 43extern int (*copyin_vector) __P((const void *udaddr, void *kaddr, 44 size_t len)); 45extern int (*copyout_vector) __P((const void *kaddr, void *udaddr, 46 size_t len)); 47extern u_int cpu_feature; 48extern u_int cpu_high; 49extern u_int cpu_id; 50extern u_int cpu_fxsr; 51extern char cpu_vendor[]; 52extern u_int cyrix_did; 53extern char kstack[]; 54#ifdef PC98 55extern int need_pre_dma_flush; 56extern int need_post_dma_flush; 57#endif
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58extern int nfs_diskless_valid;
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58extern void (*ovbcopy_vector) __P((const void *from, void *to, size_t len)); 59extern char sigcode[]; 60extern int szsigcode, szosigcode; 61 62typedef void alias_for_inthand_t __P((u_int cs, u_int ef, u_int esp, u_int ss)); 63struct thread; 64struct reg; 65struct fpreg; 66struct dbreg; 67 68void bcopyb __P((const void *from, void *to, size_t len)); 69void busdma_swi __P((void)); 70void cpu_halt __P((void)); 71void cpu_reset __P((void)); 72void cpu_setregs __P((void)); 73void cpu_switch_load_gs __P((void)) __asm(__STRING(cpu_switch_load_gs)); 74void doreti_iret __P((void)) __asm(__STRING(doreti_iret)); 75void doreti_iret_fault __P((void)) __asm(__STRING(doreti_iret_fault)); 76void doreti_popl_ds __P((void)) __asm(__STRING(doreti_popl_ds)); 77void doreti_popl_ds_fault __P((void)) __asm(__STRING(doreti_popl_ds_fault)); 78void doreti_popl_es __P((void)) __asm(__STRING(doreti_popl_es)); 79void doreti_popl_es_fault __P((void)) __asm(__STRING(doreti_popl_es_fault)); 80void doreti_popl_fs __P((void)) __asm(__STRING(doreti_popl_fs)); 81void doreti_popl_fs_fault __P((void)) __asm(__STRING(doreti_popl_fs_fault)); 82int fill_fpregs __P((struct thread *, struct fpreg *)); 83int fill_regs __P((struct thread *p, struct reg *regs)); 84int fill_dbregs __P((struct thread *p, struct dbreg *dbregs)); 85void fillw __P((int /*u_short*/ pat, void *base, size_t cnt)); 86void i486_bzero __P((void *buf, size_t len)); 87void i586_bcopy __P((const void *from, void *to, size_t len)); 88void i586_bzero __P((void *buf, size_t len)); 89int i586_copyin __P((const void *udaddr, void *kaddr, size_t len)); 90int i586_copyout __P((const void *kaddr, void *udaddr, size_t len)); 91void i686_pagezero __P((void *addr)); 92int is_physical_memory __P((vm_offset_t addr)); 93u_long kvtop __P((void *addr)); 94void setidt __P((int idx, alias_for_inthand_t *func, int typ, int dpl, 95 int selec)); 96void swi_vm __P((void *)); 97void userconfig __P((void)); 98int user_dbreg_trap __P((void)); 99 100#endif /* !_MACHINE_MD_VAR_H_ */
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