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 * Copyright 2017 Joyent, Inc. 25 */ 26 27 #ifndef _SYS_ARCHSYSTM_H 28 #define _SYS_ARCHSYSTM_H 29 30 /* 31 * A selection of ISA-dependent interfaces 32 */ 33 34 #include <vm/seg_enum.h> 35 #include <vm/page.h> 36 37 #ifdef __cplusplus 38 extern "C" { 39 #endif 40 41 #ifdef _KERNEL 42 43 extern greg_t getfp(void); 44 extern int getpil(void); 45 46 extern ulong_t getcr0(void); 47 extern void setcr0(ulong_t); 48 extern ulong_t getcr8(void); 49 extern void setcr8(ulong_t); 50 extern ulong_t getcr2(void); 51 extern void clflush_insn(caddr_t addr); 52 extern void mfence_insn(void); 53 54 #if defined(__i386) 55 extern uint16_t getgs(void); 56 extern void setgs(uint16_t); 57 58 extern void patch_sse(void); 59 extern void patch_sse2(void); 60 #endif 61 62 extern void patch_xsave(void); 63 extern kmem_cache_t *fpsave_cachep; 64 65 extern void cli(void); 66 extern void sti(void); 67 68 extern void tenmicrosec(void); 69 70 extern void restore_int_flag(ulong_t); 71 extern void intr_restore(ulong_t); 72 extern ulong_t clear_int_flag(void); 73 extern ulong_t intr_clear(void); 74 extern ulong_t getflags(void); 75 extern int interrupts_enabled(void); 76 77 extern void int3(void); 78 extern void int18(void); 79 extern void int20(void); 80 extern void int_cmci(void); 81 82 #if defined(__amd64) 83 extern void sys_syscall(); 84 extern void sys_syscall32(); 85 extern void sys_lcall32(); 86 extern void sys_syscall_int(); 87 extern void brand_sys_syscall(); 88 extern void brand_sys_syscall32(); 89 extern void brand_sys_syscall_int(); 90 extern int update_sregs(); 91 extern void reset_sregs(); 92 #elif defined(__i386) 93 extern void sys_call(); 94 extern void brand_sys_call(); 95 #endif 96 extern void sys_sysenter(); 97 extern void _sys_sysenter_post_swapgs(); 98 extern void brand_sys_sysenter(); 99 extern void _brand_sys_sysenter_post_swapgs(); 100 101 extern void dosyscall(void); 102 103 extern void bind_hwcap(void); 104 105 extern uint16_t inw(int port); 106 extern uint32_t inl(int port); 107 extern void outw(int port, uint16_t value); 108 extern void outl(int port, uint32_t value); 109 110 extern void pc_reset(void) __NORETURN; 111 extern void efi_reset(void) __NORETURN; 112 extern void reset(void) __NORETURN; 113 extern int goany(void); 114 115 extern void setgregs(klwp_t *, gregset_t); 116 extern void getgregs(klwp_t *, gregset_t); 117 extern void setfpregs(klwp_t *, fpregset_t *); 118 extern void getfpregs(klwp_t *, fpregset_t *); 119 120 #if defined(_SYSCALL32_IMPL) 121 extern void getgregs32(klwp_t *, gregset32_t); 122 extern void setfpregs32(klwp_t *, fpregset32_t *); 123 extern void getfpregs32(klwp_t *, fpregset32_t *); 124 #endif 125 126 struct fpu_ctx; 127 128 extern void fp_free(struct fpu_ctx *, int); 129 extern void fp_save(struct fpu_ctx *); 130 extern void fp_restore(struct fpu_ctx *); 131 132 extern int fpu_pentium_fdivbug; 133 134 extern void sep_save(void *); 135 extern void sep_restore(void *); 136 137 extern void brand_interpositioning_enable(void); 138 extern void brand_interpositioning_disable(void); 139 140 struct regs; 141 142 extern int instr_size(struct regs *, caddr_t *, enum seg_rw); 143 144 extern int enable_cbcp; /* patchable in /etc/system */ 145 146 extern uint_t cpu_hwcap_flags; 147 extern uint_t cpu_freq; 148 extern uint64_t cpu_freq_hz; 149 150 extern int use_sse_pagecopy; 151 extern int use_sse_pagezero; 152 extern int use_sse_copy; 153 154 extern caddr_t i86devmap(pfn_t, pgcnt_t, uint_t); 155 extern page_t *page_numtopp_alloc(pfn_t pfnum); 156 157 extern void hwblkclr(void *, size_t); 158 extern void hwblkpagecopy(const void *, void *); 159 extern void page_copy_no_xmm(void *dst, void *src); 160 extern void block_zero_no_xmm(void *dst, int len); 161 #define BLOCKZEROALIGN (4 * sizeof (void *)) 162 163 extern void (*kcpc_hw_enable_cpc_intr)(void); 164 165 extern void init_desctbls(void); 166 167 extern user_desc_t *cpu_get_gdt(void); 168 169 extern void switch_sp_and_call(void *, void (*)(uint_t, uint_t), uint_t, 170 uint_t); 171 extern hrtime_t (*gethrtimef)(void); 172 extern hrtime_t (*gethrtimeunscaledf)(void); 173 extern void (*scalehrtimef)(hrtime_t *); 174 extern uint64_t (*unscalehrtimef)(hrtime_t); 175 extern void (*gethrestimef)(timestruc_t *); 176 177 extern void av_dispatch_softvect(uint_t); 178 extern void av_dispatch_autovect(uint_t); 179 extern uint_t atomic_btr32(uint32_t *, uint_t); 180 extern uint_t bsrw_insn(uint16_t); 181 extern int sys_rtt_common(struct regs *); 182 extern void fakesoftint(void); 183 184 extern void *plat_traceback(void *); 185 186 /* 187 * The following two macros are the four byte instruction sequence of stac, ret 188 * and clac, ret. These are used in startup_smap() as a part of properly setting 189 * up the valid instructions. For more information on SMAP, see 190 * uts/intel/ia32/ml/copy.s. 191 */ 192 #define SMAP_CLAC_INSTR 0xc3ca010f 193 #define SMAP_STAC_INSTR 0xc3cb010f 194 extern void smap_disable(void); 195 extern void smap_enable(void); 196 197 #if defined(__xpv) 198 extern void xen_init_callbacks(void); 199 extern void xen_set_callback(void (*)(void), uint_t, uint_t); 200 extern void xen_printf(const char *, ...); 201 #define cpr_dprintf xen_printf 202 extern int xpv_panicking; 203 #define IN_XPV_PANIC() (xpv_panicking > 0) 204 #else 205 extern void setup_mca(void); 206 extern void pat_sync(void); 207 extern void patch_tsc_read(int); 208 #if defined(__amd64) && !defined(__xpv) 209 extern void patch_memops(uint_t); 210 #endif /* defined(__amd64) && !defined(__xpv) */ 211 extern void setup_xfem(void); 212 #define cpr_dprintf prom_printf 213 #define IN_XPV_PANIC() (__lintzero) 214 #endif 215 216 #endif /* _KERNEL */ 217 218 #if defined(_KERNEL) || defined(_BOOT) 219 extern uint8_t inb(int port); 220 extern void outb(int port, uint8_t value); 221 #endif 222 223 #ifdef __cplusplus 224 } 225 #endif 226 227 #endif /* _SYS_ARCHSYSTM_H */ 228