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 patch_xsave(void); 62 63 extern void cli(void); 64 extern void sti(void); 65 66 extern void tenmicrosec(void); 67 68 extern void restore_int_flag(ulong_t); 69 extern void intr_restore(ulong_t); 70 extern ulong_t clear_int_flag(void); 71 extern ulong_t intr_clear(void); 72 extern ulong_t getflags(void); 73 extern int interrupts_enabled(void); 74 75 extern void int3(void); 76 extern void int18(void); 77 extern void int20(void); 78 extern void int_cmci(void); 79 80 #if defined(__amd64) 81 extern void sys_syscall(); 82 extern void sys_syscall32(); 83 extern void sys_lcall32(); 84 extern void sys_syscall_int(); 85 extern void brand_sys_syscall(); 86 extern void brand_sys_syscall32(); 87 extern void brand_sys_syscall_int(); 88 extern int update_sregs(); 89 extern void reset_sregs(); 90 #elif defined(__i386) 91 extern void sys_call(); 92 extern void brand_sys_call(); 93 #endif 94 extern void sys_sysenter(); 95 extern void _sys_sysenter_post_swapgs(); 96 extern void brand_sys_sysenter(); 97 extern void _brand_sys_sysenter_post_swapgs(); 98 99 extern void dosyscall(void); 100 101 extern void bind_hwcap(void); 102 103 extern uint16_t inw(int port); 104 extern uint32_t inl(int port); 105 extern void outw(int port, uint16_t value); 106 extern void outl(int port, uint32_t value); 107 108 extern void pc_reset(void) __NORETURN; 109 extern void efi_reset(void) __NORETURN; 110 extern void reset(void) __NORETURN; 111 extern int goany(void); 112 113 extern void setgregs(klwp_t *, gregset_t); 114 extern void getgregs(klwp_t *, gregset_t); 115 extern void setfpregs(klwp_t *, fpregset_t *); 116 extern void getfpregs(klwp_t *, fpregset_t *); 117 118 #if defined(_SYSCALL32_IMPL) 119 extern void getgregs32(klwp_t *, gregset32_t); 120 extern void setfpregs32(klwp_t *, fpregset32_t *); 121 extern void getfpregs32(klwp_t *, fpregset32_t *); 122 #endif 123 124 struct fpu_ctx; 125 126 extern void fp_free(struct fpu_ctx *, int); 127 extern void fp_save(struct fpu_ctx *); 128 extern void fp_restore(struct fpu_ctx *); 129 130 extern int fpu_pentium_fdivbug; 131 132 extern void sep_save(void *); 133 extern void sep_restore(void *); 134 135 extern void brand_interpositioning_enable(void); 136 extern void brand_interpositioning_disable(void); 137 138 struct regs; 139 140 extern int instr_size(struct regs *, caddr_t *, enum seg_rw); 141 142 extern int enable_cbcp; /* patchable in /etc/system */ 143 144 extern uint_t cpu_hwcap_flags; 145 extern uint_t cpu_freq; 146 extern uint64_t cpu_freq_hz; 147 148 extern int use_sse_pagecopy; 149 extern int use_sse_pagezero; 150 extern int use_sse_copy; 151 152 extern caddr_t i86devmap(pfn_t, pgcnt_t, uint_t); 153 extern page_t *page_numtopp_alloc(pfn_t pfnum); 154 155 extern void hwblkclr(void *, size_t); 156 extern void hwblkpagecopy(const void *, void *); 157 extern void page_copy_no_xmm(void *dst, void *src); 158 extern void block_zero_no_xmm(void *dst, int len); 159 #define BLOCKZEROALIGN (4 * sizeof (void *)) 160 161 extern void (*kcpc_hw_enable_cpc_intr)(void); 162 163 extern void init_desctbls(void); 164 165 extern user_desc_t *cpu_get_gdt(void); 166 167 extern void switch_sp_and_call(void *, void (*)(uint_t, uint_t), uint_t, 168 uint_t); 169 extern hrtime_t (*gethrtimef)(void); 170 extern hrtime_t (*gethrtimeunscaledf)(void); 171 extern void (*scalehrtimef)(hrtime_t *); 172 extern uint64_t (*unscalehrtimef)(hrtime_t); 173 extern void (*gethrestimef)(timestruc_t *); 174 175 extern void av_dispatch_softvect(uint_t); 176 extern void av_dispatch_autovect(uint_t); 177 extern uint_t atomic_btr32(uint32_t *, uint_t); 178 extern uint_t bsrw_insn(uint16_t); 179 extern int sys_rtt_common(struct regs *); 180 extern void fakesoftint(void); 181 182 extern void *plat_traceback(void *); 183 184 #if defined(__xpv) 185 extern void xen_init_callbacks(void); 186 extern void xen_set_callback(void (*)(void), uint_t, uint_t); 187 extern void xen_printf(const char *, ...); 188 #define cpr_dprintf xen_printf 189 extern int xpv_panicking; 190 #define IN_XPV_PANIC() (xpv_panicking > 0) 191 #else 192 extern void setup_mca(void); 193 extern void pat_sync(void); 194 extern void patch_tsc_read(int); 195 #if defined(__amd64) && !defined(__xpv) 196 extern void patch_memops(uint_t); 197 #endif /* defined(__amd64) && !defined(__xpv) */ 198 extern void setup_xfem(void); 199 #define cpr_dprintf prom_printf 200 #define IN_XPV_PANIC() (__lintzero) 201 #endif 202 203 #endif /* _KERNEL */ 204 205 #if defined(_KERNEL) || defined(_BOOT) 206 extern uint8_t inb(int port); 207 extern void outb(int port, uint8_t value); 208 #endif 209 210 #ifdef __cplusplus 211 } 212 #endif 213 214 #endif /* _SYS_ARCHSYSTM_H */ 215