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 * 29 * $FreeBSD$ 30 */ 31 32 #ifndef _MACHINE_MD_VAR_H_ 33 #define _MACHINE_MD_VAR_H_ 34 35 /* 36 * Miscellaneous machine-dependent declarations. 37 */ 38 39 extern void (*bcopy_vector)(const void *from, void *to, size_t len); 40 extern void (*bzero_vector)(void *buf, size_t len); 41 extern int (*copyin_vector)(const void *udaddr, void *kaddr, size_t len); 42 extern int (*copyout_vector)(const void *kaddr, void *udaddr, size_t len); 43 44 extern long Maxmem; 45 extern u_int basemem; /* PA of original top of base memory */ 46 extern int busdma_swi_pending; 47 extern u_int cpu_exthigh; 48 extern u_int cpu_feature; 49 extern u_int cpu_feature2; 50 extern u_int amd_feature; 51 extern u_int amd_feature2; 52 extern u_int amd_pminfo; 53 extern u_int via_feature_rng; 54 extern u_int via_feature_xcrypt; 55 extern u_int cpu_clflush_line_size; 56 extern u_int cpu_fxsr; 57 extern u_int cpu_high; 58 extern u_int cpu_id; 59 extern u_int cpu_mxcsr_mask; 60 extern u_int cpu_procinfo; 61 extern u_int cpu_procinfo2; 62 extern char cpu_vendor[]; 63 extern u_int cpu_vendor_id; 64 extern u_int cyrix_did; 65 extern char kstack[]; 66 extern char sigcode[]; 67 extern int szsigcode; 68 #ifdef COMPAT_FREEBSD4 69 extern int szfreebsd4_sigcode; 70 #endif 71 #ifdef COMPAT_43 72 extern int szosigcode; 73 #endif 74 extern uint32_t *vm_page_dump; 75 extern int vm_page_dump_size; 76 extern int workaround_erratum383; 77 78 typedef void alias_for_inthand_t(u_int cs, u_int ef, u_int esp, u_int ss); 79 struct thread; 80 struct reg; 81 struct fpreg; 82 struct dbreg; 83 struct dumperinfo; 84 85 void bcopyb(const void *from, void *to, size_t len); 86 void busdma_swi(void); 87 void cpu_setregs(void); 88 void cpu_switch_load_gs(void) __asm(__STRING(cpu_switch_load_gs)); 89 void doreti_iret(void) __asm(__STRING(doreti_iret)); 90 void doreti_iret_fault(void) __asm(__STRING(doreti_iret_fault)); 91 void doreti_popl_ds(void) __asm(__STRING(doreti_popl_ds)); 92 void doreti_popl_ds_fault(void) __asm(__STRING(doreti_popl_ds_fault)); 93 void doreti_popl_es(void) __asm(__STRING(doreti_popl_es)); 94 void doreti_popl_es_fault(void) __asm(__STRING(doreti_popl_es_fault)); 95 void doreti_popl_fs(void) __asm(__STRING(doreti_popl_fs)); 96 void doreti_popl_fs_fault(void) __asm(__STRING(doreti_popl_fs_fault)); 97 void dump_add_page(vm_paddr_t); 98 void dump_drop_page(vm_paddr_t); 99 void enable_sse(void); 100 void fillw(int /*u_short*/ pat, void *base, size_t cnt); 101 void i486_bzero(void *buf, size_t len); 102 void i586_bcopy(const void *from, void *to, size_t len); 103 void i586_bzero(void *buf, size_t len); 104 int i586_copyin(const void *udaddr, void *kaddr, size_t len); 105 int i586_copyout(const void *kaddr, void *udaddr, size_t len); 106 void i686_pagezero(void *addr); 107 void sse2_pagezero(void *addr); 108 void init_AMD_Elan_sc520(void); 109 int is_physical_memory(vm_paddr_t addr); 110 int isa_nmi(int cd); 111 vm_paddr_t kvtop(void *addr); 112 void setidt(int idx, alias_for_inthand_t *func, int typ, int dpl, int selec); 113 int user_dbreg_trap(void); 114 void minidumpsys(struct dumperinfo *); 115 116 #endif /* !_MACHINE_MD_VAR_H_ */ 117