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 2018 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(), tr_sys_syscall(); 84 extern void sys_syscall32(), tr_sys_syscall32(); 85 extern void sys_lcall32(); 86 extern void sys_syscall_int(); 87 extern void tr_sys_syscall_int(); 88 extern void brand_sys_syscall(), tr_brand_sys_syscall(); 89 extern void brand_sys_syscall32(), tr_brand_sys_syscall32(); 90 extern void brand_sys_syscall_int(), tr_brand_sys_syscall_int(); 91 extern int update_sregs(); 92 extern void reset_sregs(); 93 #elif defined(__i386) 94 extern void sys_call(); 95 extern void tr_sys_call(); 96 extern void brand_sys_call(); 97 #endif 98 extern void sys_sysenter(); 99 extern void tr_sys_sysenter(); 100 extern void _sys_sysenter_post_swapgs(); 101 extern void brand_sys_sysenter(); 102 extern void tr_brand_sys_sysenter(); 103 extern void _brand_sys_sysenter_post_swapgs(); 104 105 extern void dosyscall(void); 106 107 extern void bind_hwcap(void); 108 109 extern uint16_t inw(int port); 110 extern uint32_t inl(int port); 111 extern void outw(int port, uint16_t value); 112 extern void outl(int port, uint32_t value); 113 114 extern void pc_reset(void) __NORETURN; 115 extern void efi_reset(void) __NORETURN; 116 extern void reset(void) __NORETURN; 117 extern int goany(void); 118 119 extern void setgregs(klwp_t *, gregset_t); 120 extern void getgregs(klwp_t *, gregset_t); 121 extern void setfpregs(klwp_t *, fpregset_t *); 122 extern void getfpregs(klwp_t *, fpregset_t *); 123 124 #if defined(_SYSCALL32_IMPL) 125 extern void getgregs32(klwp_t *, gregset32_t); 126 extern void setfpregs32(klwp_t *, fpregset32_t *); 127 extern void getfpregs32(klwp_t *, fpregset32_t *); 128 #endif 129 130 struct fpu_ctx; 131 132 extern void fp_free(struct fpu_ctx *, int); 133 extern void fp_save(struct fpu_ctx *); 134 extern void fp_restore(struct fpu_ctx *); 135 136 extern int fpu_pentium_fdivbug; 137 138 extern void sep_save(void *); 139 extern void sep_restore(void *); 140 141 extern void brand_interpositioning_enable(void); 142 extern void brand_interpositioning_disable(void); 143 144 struct regs; 145 146 extern int instr_size(struct regs *, caddr_t *, enum seg_rw); 147 148 extern int enable_cbcp; /* patchable in /etc/system */ 149 150 extern uint_t cpu_hwcap_flags; 151 extern uint_t cpu_freq; 152 extern uint64_t cpu_freq_hz; 153 154 extern int use_sse_pagecopy; 155 extern int use_sse_pagezero; 156 extern int use_sse_copy; 157 158 extern caddr_t i86devmap(pfn_t, pgcnt_t, uint_t); 159 extern page_t *page_numtopp_alloc(pfn_t pfnum); 160 161 extern void hwblkclr(void *, size_t); 162 extern void hwblkpagecopy(const void *, void *); 163 extern void page_copy_no_xmm(void *dst, void *src); 164 extern void block_zero_no_xmm(void *dst, int len); 165 #define BLOCKZEROALIGN (4 * sizeof (void *)) 166 167 extern void (*kcpc_hw_enable_cpc_intr)(void); 168 169 extern void init_desctbls(void); 170 171 extern user_desc_t *cpu_get_gdt(void); 172 173 extern void switch_sp_and_call(void *, void (*)(uint_t, uint_t), uint_t, 174 uint_t); 175 extern hrtime_t (*gethrtimef)(void); 176 extern hrtime_t (*gethrtimeunscaledf)(void); 177 extern void (*scalehrtimef)(hrtime_t *); 178 extern uint64_t (*unscalehrtimef)(hrtime_t); 179 extern void (*gethrestimef)(timestruc_t *); 180 181 extern void av_dispatch_softvect(uint_t); 182 extern void av_dispatch_autovect(uint_t); 183 extern uint_t atomic_btr32(uint32_t *, uint_t); 184 extern uint_t bsrw_insn(uint16_t); 185 extern int sys_rtt_common(struct regs *); 186 extern void fakesoftint(void); 187 188 extern void *plat_traceback(void *); 189 190 /* 191 * The following two macros are the four byte instruction sequence of stac, ret 192 * and clac, ret. These are used in startup_smap() as a part of properly setting 193 * up the valid instructions. For more information on SMAP, see 194 * uts/intel/ia32/ml/copy.s. 195 */ 196 #define SMAP_CLAC_INSTR 0xc3ca010f 197 #define SMAP_STAC_INSTR 0xc3cb010f 198 extern void smap_disable(void); 199 extern void smap_enable(void); 200 201 #if defined(__xpv) 202 extern void xen_init_callbacks(void); 203 extern void xen_set_callback(void (*)(void), uint_t, uint_t); 204 extern void xen_printf(const char *, ...); 205 #define cpr_dprintf xen_printf 206 extern int xpv_panicking; 207 #define IN_XPV_PANIC() (xpv_panicking > 0) 208 #else 209 extern void setup_mca(void); 210 extern void pat_sync(void); 211 extern void patch_tsc_read(int); 212 #if defined(__amd64) && !defined(__xpv) 213 extern void patch_memops(uint_t); 214 #endif /* defined(__amd64) && !defined(__xpv) */ 215 extern void setup_xfem(void); 216 #define cpr_dprintf prom_printf 217 #define IN_XPV_PANIC() (__lintzero) 218 #endif 219 220 #endif /* _KERNEL */ 221 222 #if defined(_KERNEL) || defined(_BOOT) 223 extern uint8_t inb(int port); 224 extern void outb(int port, uint8_t value); 225 #endif 226 227 #ifdef __cplusplus 228 } 229 #endif 230 231 #endif /* _SYS_ARCHSYSTM_H */ 232