2 * Copyright (c) 1995 Bruce D. Evans.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
32 #ifndef _MACHINE_MD_VAR_H_
33 #define _MACHINE_MD_VAR_H_
35 #include <x86/x86_var.h>
37 extern u_int cyrix_did;
38 #if defined(I586_CPU) && !defined(NO_F00F_HACK)
39 extern int has_f00f_bug;
41 #ifdef COMPAT_FREEBSD4
42 extern int szfreebsd4_sigcode;
45 extern int szosigcode;
47 extern uint32_t *vm_page_dump;
49 struct segment_descriptor;
52 void bcopyb(const void *from, void *to, size_t len);
53 void cpu_switch_load_gs(void) __asm(__STRING(cpu_switch_load_gs));
54 void doreti_iret(void) __asm(__STRING(doreti_iret));
55 void doreti_iret_fault(void) __asm(__STRING(doreti_iret_fault));
56 void doreti_popl_ds(void) __asm(__STRING(doreti_popl_ds));
57 void doreti_popl_ds_fault(void) __asm(__STRING(doreti_popl_ds_fault));
58 void doreti_popl_es(void) __asm(__STRING(doreti_popl_es));
59 void doreti_popl_es_fault(void) __asm(__STRING(doreti_popl_es_fault));
60 void doreti_popl_fs(void) __asm(__STRING(doreti_popl_fs));
61 void doreti_popl_fs_fault(void) __asm(__STRING(doreti_popl_fs_fault));
62 void finishidentcpu(void);
63 void fill_based_sd(struct segment_descriptor *sdp, uint32_t base);
64 void i686_pagezero(void *addr);
65 void sse2_pagezero(void *addr);
66 void init_AMD_Elan_sc520(void);
67 vm_paddr_t kvtop(void *addr);
68 void panicifcpuunsupported(void);
69 void ppro_reenable_apic(void);
70 void setidt(int idx, alias_for_inthand_t *func, int typ, int dpl, int selec);
71 union savefpu *get_pcb_user_save_td(struct thread *td);
72 union savefpu *get_pcb_user_save_pcb(struct pcb *pcb);
74 #endif /* !_MACHINE_MD_VAR_H_ */