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 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _SYS_ARCHSYSTM_H 27 #define _SYS_ARCHSYSTM_H 28 29 #pragma ident "%Z%%M% %I% %E% SMI" 30 31 /* 32 * A selection of ISA-dependent interfaces 33 */ 34 35 #include <vm/seg_enum.h> 36 #include <vm/page.h> 37 38 #ifdef __cplusplus 39 extern "C" { 40 #endif 41 42 #ifdef _KERNEL 43 44 extern greg_t getfp(void); 45 extern int getpil(void); 46 47 extern ulong_t getcr0(void); 48 extern void setcr0(ulong_t); 49 extern ulong_t getcr2(void); 50 51 #if defined(__i386) 52 extern uint16_t getgs(void); 53 extern void setgs(uint16_t); 54 55 extern void patch_sse(void); 56 extern void patch_sse2(void); 57 #endif 58 59 extern void cli(void); 60 extern void sti(void); 61 62 extern void tenmicrosec(void); 63 64 extern void restore_int_flag(ulong_t); 65 extern void intr_restore(ulong_t); 66 extern ulong_t clear_int_flag(void); 67 extern ulong_t intr_clear(void); 68 extern ulong_t getflags(void); 69 extern int interrupts_enabled(void); 70 71 extern void int3(void); 72 extern void int18(void); 73 extern void int20(void); 74 75 #if defined(__amd64) 76 extern void sys_syscall(); 77 extern void sys_syscall32(); 78 extern void sys_lcall32(); 79 extern void sys_syscall_int(); 80 extern void brand_sys_syscall(); 81 extern void brand_sys_syscall32(); 82 extern void brand_sys_syscall_int(); 83 extern int update_sregs(); 84 extern void reset_sregs(); 85 #elif defined(__i386) 86 extern void sys_call(); 87 extern void brand_sys_call(); 88 #endif 89 extern void sys_sysenter(); 90 extern void _sys_sysenter_post_swapgs(); 91 extern void brand_sys_sysenter(); 92 extern void _brand_sys_sysenter_post_swapgs(); 93 94 extern void dosyscall(void); 95 96 extern void bind_hwcap(void); 97 98 extern uint16_t inw(int port); 99 extern uint32_t inl(int port); 100 extern void outw(int port, uint16_t value); 101 extern void outl(int port, uint32_t value); 102 103 extern void pc_reset(void) __NORETURN; 104 extern void efi_reset(void) __NORETURN; 105 extern void reset(void) __NORETURN; 106 extern int goany(void); 107 108 extern void setgregs(klwp_t *, gregset_t); 109 extern void getgregs(klwp_t *, gregset_t); 110 extern void setfpregs(klwp_t *, fpregset_t *); 111 extern void getfpregs(klwp_t *, fpregset_t *); 112 113 #if defined(_SYSCALL32_IMPL) 114 extern void getgregs32(klwp_t *, gregset32_t); 115 extern void setfpregs32(klwp_t *, fpregset32_t *); 116 extern void getfpregs32(klwp_t *, fpregset32_t *); 117 #endif 118 119 struct fpu_ctx; 120 121 extern void fp_free(struct fpu_ctx *, int); 122 extern void fp_save(struct fpu_ctx *); 123 extern void fp_restore(struct fpu_ctx *); 124 125 extern int fpu_pentium_fdivbug; 126 127 extern void sep_save(void *); 128 extern void sep_restore(void *); 129 130 extern void brand_interpositioning_enable(void); 131 extern void brand_interpositioning_disable(void); 132 133 struct regs; 134 135 extern int instr_size(struct regs *, caddr_t *, enum seg_rw); 136 137 extern void realsigprof(int, int); 138 139 extern int enable_cbcp; /* patchable in /etc/system */ 140 141 extern uint_t cpu_hwcap_flags; 142 extern uint_t cpu_freq; 143 extern uint64_t cpu_freq_hz; 144 145 extern int use_sse_pagecopy; 146 extern int use_sse_pagezero; 147 extern int use_sse_copy; 148 149 extern caddr_t i86devmap(pfn_t, pgcnt_t, uint_t); 150 extern page_t *page_numtopp_alloc(pfn_t pfnum); 151 152 extern void hwblkclr(void *, size_t); 153 extern void hwblkpagecopy(const void *, void *); 154 extern void page_copy_no_xmm(void *dst, void *src); 155 extern void block_zero_no_xmm(void *dst, int len); 156 #define BLOCKZEROALIGN (4 * sizeof (void *)) 157 158 extern void (*kcpc_hw_enable_cpc_intr)(void); 159 160 extern void init_desctbls(void); 161 162 extern user_desc_t *cpu_get_gdt(void); 163 164 extern void switch_sp_and_call(void *, void (*)(uint_t, uint_t), uint_t, 165 uint_t); 166 extern hrtime_t (*gethrtimef)(void); 167 extern hrtime_t (*gethrtimeunscaledf)(void); 168 extern void (*scalehrtimef)(hrtime_t *); 169 extern void (*gethrestimef)(timestruc_t *); 170 171 extern void av_dispatch_softvect(uint_t); 172 extern void av_dispatch_autovect(uint_t); 173 extern uint_t atomic_btr32(uint32_t *, uint_t); 174 extern uint_t bsrw_insn(uint16_t); 175 extern int sys_rtt_common(struct regs *); 176 extern void fakesoftint(void); 177 178 extern void *plat_traceback(void *); 179 180 #if defined(__xpv) 181 extern void xen_init_callbacks(void); 182 extern void xen_set_callback(void (*)(void), uint_t, uint_t); 183 extern void xen_printf(const char *, ...); 184 #define cpr_dprintf xen_printf 185 extern int xpv_panicking; 186 #define IN_XPV_PANIC() (xpv_panicking > 0) 187 #else 188 extern void setup_mca(void); 189 extern void pat_sync(void); 190 extern void patch_tsc_read(int); 191 #define cpr_dprintf prom_printf 192 #define IN_XPV_PANIC() (__lintzero) 193 #endif 194 195 #endif /* _KERNEL */ 196 197 #if defined(_KERNEL) || defined(_BOOT) 198 extern uint8_t inb(int port); 199 extern void outb(int port, uint8_t value); 200 #endif 201 202 #ifdef __cplusplus 203 } 204 #endif 205 206 #endif /* _SYS_ARCHSYSTM_H */ 207