1b5e8ce9fSBruce Evans /*- 2b5e8ce9fSBruce Evans * Copyright (c) 1995 Bruce D. Evans. 3b5e8ce9fSBruce Evans * All rights reserved. 4b5e8ce9fSBruce Evans * 5b5e8ce9fSBruce Evans * Redistribution and use in source and binary forms, with or without 6b5e8ce9fSBruce Evans * modification, are permitted provided that the following conditions 7b5e8ce9fSBruce Evans * are met: 8b5e8ce9fSBruce Evans * 1. Redistributions of source code must retain the above copyright 9b5e8ce9fSBruce Evans * notice, this list of conditions and the following disclaimer. 10b5e8ce9fSBruce Evans * 2. Redistributions in binary form must reproduce the above copyright 11b5e8ce9fSBruce Evans * notice, this list of conditions and the following disclaimer in the 12b5e8ce9fSBruce Evans * documentation and/or other materials provided with the distribution. 13b5e8ce9fSBruce Evans * 3. Neither the name of the author nor the names of contributors 14b5e8ce9fSBruce Evans * may be used to endorse or promote products derived from this software 15b5e8ce9fSBruce Evans * without specific prior written permission. 16b5e8ce9fSBruce Evans * 17b5e8ce9fSBruce Evans * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18b5e8ce9fSBruce Evans * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19b5e8ce9fSBruce Evans * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20b5e8ce9fSBruce Evans * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21b5e8ce9fSBruce Evans * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22b5e8ce9fSBruce Evans * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23b5e8ce9fSBruce Evans * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24b5e8ce9fSBruce Evans * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25b5e8ce9fSBruce Evans * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26b5e8ce9fSBruce Evans * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27b5e8ce9fSBruce Evans * SUCH DAMAGE. 28b5e8ce9fSBruce Evans * 29c3aac50fSPeter Wemm * $FreeBSD$ 30b5e8ce9fSBruce Evans */ 31b5e8ce9fSBruce Evans 32b5e8ce9fSBruce Evans #ifndef _MACHINE_MD_VAR_H_ 33b5e8ce9fSBruce Evans #define _MACHINE_MD_VAR_H_ 34b5e8ce9fSBruce Evans 35*7c958a41SKonstantin Belousov #include <x86/x86_var.h> 36b5e8ce9fSBruce Evans 377fb40488SJohn Baldwin extern u_int cyrix_did; 387fb40488SJohn Baldwin #if defined(I586_CPU) && !defined(NO_F00F_HACK) 397fb40488SJohn Baldwin extern int has_f00f_bug; 407fb40488SJohn Baldwin #endif 4123eeeff7SPeter Wemm #ifdef COMPAT_FREEBSD4 4223eeeff7SPeter Wemm extern int szfreebsd4_sigcode; 4323eeeff7SPeter Wemm #endif 4423eeeff7SPeter Wemm #ifdef COMPAT_43 4523eeeff7SPeter Wemm extern int szosigcode; 4623eeeff7SPeter Wemm #endif 474503a06eSPeter Wemm extern uint32_t *vm_page_dump; 48b5e8ce9fSBruce Evans 49b63dc6adSAlfred Perlstein typedef void alias_for_inthand_t(u_int cs, u_int ef, u_int esp, u_int ss); 5006d058bdSKonstantin Belousov struct segment_descriptor; 51*7c958a41SKonstantin Belousov union savefpu; 52b5e8ce9fSBruce Evans 53b63dc6adSAlfred Perlstein void bcopyb(const void *from, void *to, size_t len); 54b63dc6adSAlfred Perlstein void cpu_switch_load_gs(void) __asm(__STRING(cpu_switch_load_gs)); 55b63dc6adSAlfred Perlstein void doreti_iret(void) __asm(__STRING(doreti_iret)); 56b63dc6adSAlfred Perlstein void doreti_iret_fault(void) __asm(__STRING(doreti_iret_fault)); 57b63dc6adSAlfred Perlstein void doreti_popl_ds(void) __asm(__STRING(doreti_popl_ds)); 58b63dc6adSAlfred Perlstein void doreti_popl_ds_fault(void) __asm(__STRING(doreti_popl_ds_fault)); 59b63dc6adSAlfred Perlstein void doreti_popl_es(void) __asm(__STRING(doreti_popl_es)); 60b63dc6adSAlfred Perlstein void doreti_popl_es_fault(void) __asm(__STRING(doreti_popl_es_fault)); 61b63dc6adSAlfred Perlstein void doreti_popl_fs(void) __asm(__STRING(doreti_popl_fs)); 62b63dc6adSAlfred Perlstein void doreti_popl_fs_fault(void) __asm(__STRING(doreti_popl_fs_fault)); 637fb40488SJohn Baldwin void finishidentcpu(void); 6406d058bdSKonstantin Belousov void fill_based_sd(struct segment_descriptor *sdp, uint32_t base); 65b63dc6adSAlfred Perlstein void i686_pagezero(void *addr); 66977f9ab5SJeff Roberson void sse2_pagezero(void *addr); 6714a3a6eaSPoul-Henning Kamp void init_AMD_Elan_sc520(void); 68227f9a1cSJake Burkholder vm_paddr_t kvtop(void *addr); 69645b112bSJohn Baldwin void ppro_reenable_apic(void); 70809dbbc9SBruce Evans void setidt(int idx, alias_for_inthand_t *func, int typ, int dpl, int selec); 71824fc460SJohn Baldwin union savefpu *get_pcb_user_save_td(struct thread *td); 72824fc460SJohn Baldwin union savefpu *get_pcb_user_save_pcb(struct pcb *pcb); 73824fc460SJohn Baldwin struct pcb *get_pcb_td(struct thread *td); 74b5e8ce9fSBruce Evans 75b5e8ce9fSBruce Evans #endif /* !_MACHINE_MD_VAR_H_ */ 76