1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright (c) 1993, 2010, Oracle and/or its affiliates. All rights reserved. 24 */ 25 26 #ifndef _SYS_ARCHSYSTM_H 27 #define _SYS_ARCHSYSTM_H 28 29 /* 30 * A selection of ISA-dependent interfaces 31 */ 32 33 #include <vm/seg_enum.h> 34 #include <vm/page.h> 35 36 #ifdef __cplusplus 37 extern "C" { 38 #endif 39 40 #ifdef _KERNEL 41 42 extern greg_t getfp(void); 43 extern int getpil(void); 44 45 extern ulong_t getcr0(void); 46 extern void setcr0(ulong_t); 47 extern ulong_t getcr8(void); 48 extern void setcr8(ulong_t); 49 extern ulong_t getcr2(void); 50 extern void clflush_insn(caddr_t addr); 51 extern void mfence_insn(void); 52 53 #if defined(__i386) 54 extern uint16_t getgs(void); 55 extern void setgs(uint16_t); 56 57 extern void patch_sse(void); 58 extern void patch_sse2(void); 59 #endif 60 61 extern void cli(void); 62 extern void sti(void); 63 64 extern void tenmicrosec(void); 65 66 extern void restore_int_flag(ulong_t); 67 extern void intr_restore(ulong_t); 68 extern ulong_t clear_int_flag(void); 69 extern ulong_t intr_clear(void); 70 extern ulong_t getflags(void); 71 extern int interrupts_enabled(void); 72 73 extern void int3(void); 74 extern void int18(void); 75 extern void int20(void); 76 extern void int_cmci(void); 77 78 #if defined(__amd64) 79 extern void sys_syscall(); 80 extern void sys_syscall32(); 81 extern void sys_lcall32(); 82 extern void sys_syscall_int(); 83 extern void brand_sys_syscall(); 84 extern void brand_sys_syscall32(); 85 extern void brand_sys_syscall_int(); 86 extern int update_sregs(); 87 extern void reset_sregs(); 88 #elif defined(__i386) 89 extern void sys_call(); 90 extern void brand_sys_call(); 91 #endif 92 extern void sys_sysenter(); 93 extern void _sys_sysenter_post_swapgs(); 94 extern void brand_sys_sysenter(); 95 extern void _brand_sys_sysenter_post_swapgs(); 96 97 extern void dosyscall(void); 98 99 extern void bind_hwcap(void); 100 101 extern uint16_t inw(int port); 102 extern uint32_t inl(int port); 103 extern void outw(int port, uint16_t value); 104 extern void outl(int port, uint32_t value); 105 106 extern void pc_reset(void) __NORETURN; 107 extern void efi_reset(void) __NORETURN; 108 extern void reset(void) __NORETURN; 109 extern int goany(void); 110 111 extern void setgregs(klwp_t *, gregset_t); 112 extern void getgregs(klwp_t *, gregset_t); 113 extern void setfpregs(klwp_t *, fpregset_t *); 114 extern void getfpregs(klwp_t *, fpregset_t *); 115 116 #if defined(_SYSCALL32_IMPL) 117 extern void getgregs32(klwp_t *, gregset32_t); 118 extern void setfpregs32(klwp_t *, fpregset32_t *); 119 extern void getfpregs32(klwp_t *, fpregset32_t *); 120 #endif 121 122 struct fpu_ctx; 123 124 extern void fp_free(struct fpu_ctx *, int); 125 extern void fp_save(struct fpu_ctx *); 126 extern void fp_restore(struct fpu_ctx *); 127 128 extern int fpu_pentium_fdivbug; 129 130 extern void sep_save(void *); 131 extern void sep_restore(void *); 132 133 extern void brand_interpositioning_enable(void); 134 extern void brand_interpositioning_disable(void); 135 136 struct regs; 137 138 extern int instr_size(struct regs *, caddr_t *, enum seg_rw); 139 140 extern int enable_cbcp; /* patchable in /etc/system */ 141 142 extern uint_t cpu_hwcap_flags; 143 extern uint_t cpu_freq; 144 extern uint64_t cpu_freq_hz; 145 146 extern int use_sse_pagecopy; 147 extern int use_sse_pagezero; 148 extern int use_sse_copy; 149 150 extern caddr_t i86devmap(pfn_t, pgcnt_t, uint_t); 151 extern page_t *page_numtopp_alloc(pfn_t pfnum); 152 153 extern void hwblkclr(void *, size_t); 154 extern void hwblkpagecopy(const void *, void *); 155 extern void page_copy_no_xmm(void *dst, void *src); 156 extern void block_zero_no_xmm(void *dst, int len); 157 #define BLOCKZEROALIGN (4 * sizeof (void *)) 158 159 extern void (*kcpc_hw_enable_cpc_intr)(void); 160 161 extern void init_desctbls(void); 162 163 extern user_desc_t *cpu_get_gdt(void); 164 165 extern void switch_sp_and_call(void *, void (*)(uint_t, uint_t), uint_t, 166 uint_t); 167 extern hrtime_t (*gethrtimef)(void); 168 extern hrtime_t (*gethrtimeunscaledf)(void); 169 extern void (*scalehrtimef)(hrtime_t *); 170 extern uint64_t (*unscalehrtimef)(hrtime_t); 171 extern void (*gethrestimef)(timestruc_t *); 172 173 extern void av_dispatch_softvect(uint_t); 174 extern void av_dispatch_autovect(uint_t); 175 extern uint_t atomic_btr32(uint32_t *, uint_t); 176 extern uint_t bsrw_insn(uint16_t); 177 extern int sys_rtt_common(struct regs *); 178 extern void fakesoftint(void); 179 180 extern void *plat_traceback(void *); 181 182 #if defined(__xpv) 183 extern void xen_init_callbacks(void); 184 extern void xen_set_callback(void (*)(void), uint_t, uint_t); 185 extern void xen_printf(const char *, ...); 186 #define cpr_dprintf xen_printf 187 extern int xpv_panicking; 188 #define IN_XPV_PANIC() (xpv_panicking > 0) 189 #else 190 extern void setup_mca(void); 191 extern void pat_sync(void); 192 extern void patch_tsc_read(int); 193 #if defined(__amd64) && !defined(__xpv) 194 extern void patch_memops(uint_t); 195 #endif /* defined(__amd64) && !defined(__xpv) */ 196 #define cpr_dprintf prom_printf 197 #define IN_XPV_PANIC() (__lintzero) 198 #endif 199 200 #endif /* _KERNEL */ 201 202 #if defined(_KERNEL) || defined(_BOOT) 203 extern uint8_t inb(int port); 204 extern void outb(int port, uint8_t value); 205 #endif 206 207 #ifdef __cplusplus 208 } 209 #endif 210 211 #endif /* _SYS_ARCHSYSTM_H */ 212