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
29 * $FreeBSD: src/sys/i386/include/md_var.h,v 1.35.2.4 2003/01/22 20:14:53 jhb Exp $
30 * $DragonFly: src/sys/platform/pc32/include/md_var.h,v 1.26 2007/12/12 23:49:20 dillon Exp $
33 #ifndef _MACHINE_MD_VAR_H_
34 #define _MACHINE_MD_VAR_H_
37 #include <sys/types.h>
39 #ifndef _SYS_THREAD_H_
40 #include <sys/thread.h>
43 #include <machine/globaldata.h>
46 * Miscellaneous machine-dependent declarations.
49 extern u_int atdevbase; /* offset in virtual memory of ISA io mem */
50 extern void **bcopy_vector;
51 extern void **memcpy_vector;
52 extern void **ovbcopy_vector;
53 extern int busdma_swi_pending;
54 extern int (*copyin_vector) (const void *udaddr, void *kaddr,
56 extern int (*copyout_vector) (const void *kaddr, void *udaddr,
58 extern void (*cpu_idle_hook)(void);
59 extern u_int cpu_exthigh;
60 extern u_int amd_feature;
61 extern u_int amd_feature2;
62 extern u_int via_feature_rng;
63 extern u_int via_feature_xcrypt;
64 extern u_int cpu_fxsr;
65 extern u_int cpu_high;
67 extern u_int cpu_procinfo;
68 extern u_int cpu_procinfo2;
69 extern char cpu_vendor[];
70 extern u_int cpu_vendor_id;
71 extern u_int cyrix_did;
73 extern char sigcode[];
75 extern uint32_t *vm_page_dump;
76 extern int vm_page_dump_size;
78 typedef void alias_for_inthand_t (u_int cs, u_int ef, u_int esp, u_int ss);
88 void busdma_swi (void);
89 void cpu_gdinit (struct mdglobaldata *gd, int cpu);
91 void cpu_setregs (void);
92 void cpu_switch_load_gs (void) __asm(__STRING(cpu_switch_load_gs));
93 void cpu_heavy_restore (void); /* cannot be called from C */
94 void cpu_lwkt_restore (void); /* cannot be called from C */
95 void cpu_idle_restore (void); /* cannot be called from C */
96 void cpu_kthread_restore (void);/* cannot be called from C */
97 void cpu_exit_idleptd (void); /* disassociate proc MMU */
98 thread_t cpu_exit_switch (struct thread *next);
99 void doreti_iret (void) __asm(__STRING(doreti_iret));
100 void doreti_iret_fault (void) __asm(__STRING(doreti_iret_fault));
101 void doreti_popl_ds (void) __asm(__STRING(doreti_popl_ds));
102 void doreti_popl_ds_fault (void) __asm(__STRING(doreti_popl_ds_fault));
103 void doreti_popl_es (void) __asm(__STRING(doreti_popl_es));
104 void doreti_popl_es_fault (void) __asm(__STRING(doreti_popl_es_fault));
105 void doreti_popl_fs (void) __asm(__STRING(doreti_popl_fs));
106 void doreti_popl_fs_fault (void) __asm(__STRING(doreti_popl_fs_fault));
107 void doreti_popl_gs (void) __asm(__STRING(doreti_popl_gs));
108 void doreti_popl_gs_fault (void) __asm(__STRING(doreti_popl_gs_fault));
109 void dump_add_page(vm_paddr_t);
110 void dump_drop_page(vm_paddr_t);
111 void enable_sse (void);
112 void fillw (int /*u_short*/ pat, void *base, size_t cnt);
113 void asm_generic_memcpy(void);
114 void asm_mmx_memcpy(void);
115 void asm_xmm_memcpy(void);
116 void asm_generic_bcopy(void);
117 void asm_mmx_bcopy(void);
118 void asm_xmm_bcopy(void);
119 void init_AMD_Elan_sc520(void);
120 void setidt (int idx, alias_for_inthand_t *func, int typ, int dpl,
122 void userconfig (void);
123 int user_dbreg_trap (void);
125 void npxpush(struct __mcontext *mctx);
126 void npxpop(struct __mcontext *mctx);
127 void minidumpsys(struct dumperinfo *);
128 #endif /* !_MACHINE_MD_VAR_H_ */