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 2008 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 /* 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 getcr2(void); 48 49 #if defined(__i386) 50 extern uint16_t getgs(void); 51 extern void setgs(uint16_t); 52 53 extern void patch_sse(void); 54 extern void patch_sse2(void); 55 #endif 56 57 extern void cli(void); 58 extern void sti(void); 59 60 extern void tenmicrosec(void); 61 62 extern void restore_int_flag(ulong_t); 63 extern void intr_restore(ulong_t); 64 extern ulong_t clear_int_flag(void); 65 extern ulong_t intr_clear(void); 66 extern ulong_t getflags(void); 67 extern int interrupts_enabled(void); 68 69 extern void int3(void); 70 extern void int18(void); 71 extern void int20(void); 72 extern void int_cmci(void); 73 74 #if defined(__amd64) 75 extern void sys_syscall(); 76 extern void sys_syscall32(); 77 extern void sys_lcall32(); 78 extern void sys_syscall_int(); 79 extern void brand_sys_syscall(); 80 extern void brand_sys_syscall32(); 81 extern void brand_sys_syscall_int(); 82 extern int update_sregs(); 83 extern void reset_sregs(); 84 #elif defined(__i386) 85 extern void sys_call(); 86 extern void brand_sys_call(); 87 #endif 88 extern void sys_sysenter(); 89 extern void _sys_sysenter_post_swapgs(); 90 extern void brand_sys_sysenter(); 91 extern void _brand_sys_sysenter_post_swapgs(); 92 93 extern void dosyscall(void); 94 95 extern void bind_hwcap(void); 96 97 extern uint16_t inw(int port); 98 extern uint32_t inl(int port); 99 extern void outw(int port, uint16_t value); 100 extern void outl(int port, uint32_t value); 101 102 extern void pc_reset(void) __NORETURN; 103 extern void efi_reset(void) __NORETURN; 104 extern void reset(void) __NORETURN; 105 extern int goany(void); 106 107 extern void setgregs(klwp_t *, gregset_t); 108 extern void getgregs(klwp_t *, gregset_t); 109 extern void setfpregs(klwp_t *, fpregset_t *); 110 extern void getfpregs(klwp_t *, fpregset_t *); 111 112 #if defined(_SYSCALL32_IMPL) 113 extern void getgregs32(klwp_t *, gregset32_t); 114 extern void setfpregs32(klwp_t *, fpregset32_t *); 115 extern void getfpregs32(klwp_t *, fpregset32_t *); 116 #endif 117 118 struct fpu_ctx; 119 120 extern void fp_free(struct fpu_ctx *, int); 121 extern void fp_save(struct fpu_ctx *); 122 extern void fp_restore(struct fpu_ctx *); 123 124 extern int fpu_pentium_fdivbug; 125 126 extern void sep_save(void *); 127 extern void sep_restore(void *); 128 129 extern void brand_interpositioning_enable(void); 130 extern void brand_interpositioning_disable(void); 131 132 struct regs; 133 134 extern int instr_size(struct regs *, caddr_t *, enum seg_rw); 135 136 extern void realsigprof(int, int); 137 138 extern int enable_cbcp; /* patchable in /etc/system */ 139 140 extern uint_t cpu_hwcap_flags; 141 extern uint_t cpu_freq; 142 extern uint64_t cpu_freq_hz; 143 144 extern int use_sse_pagecopy; 145 extern int use_sse_pagezero; 146 extern int use_sse_copy; 147 148 extern caddr_t i86devmap(pfn_t, pgcnt_t, uint_t); 149 extern page_t *page_numtopp_alloc(pfn_t pfnum); 150 151 extern void hwblkclr(void *, size_t); 152 extern void hwblkpagecopy(const void *, void *); 153 extern void page_copy_no_xmm(void *dst, void *src); 154 extern void block_zero_no_xmm(void *dst, int len); 155 #define BLOCKZEROALIGN (4 * sizeof (void *)) 156 157 extern void (*kcpc_hw_enable_cpc_intr)(void); 158 159 extern void init_desctbls(void); 160 161 extern user_desc_t *cpu_get_gdt(void); 162 163 extern void switch_sp_and_call(void *, void (*)(uint_t, uint_t), uint_t, 164 uint_t); 165 extern hrtime_t (*gethrtimef)(void); 166 extern hrtime_t (*gethrtimeunscaledf)(void); 167 extern void (*scalehrtimef)(hrtime_t *); 168 extern void (*gethrestimef)(timestruc_t *); 169 170 extern void av_dispatch_softvect(uint_t); 171 extern void av_dispatch_autovect(uint_t); 172 extern uint_t atomic_btr32(uint32_t *, uint_t); 173 extern uint_t bsrw_insn(uint16_t); 174 extern int sys_rtt_common(struct regs *); 175 extern void fakesoftint(void); 176 177 extern void *plat_traceback(void *); 178 179 #if defined(__xpv) 180 extern void xen_init_callbacks(void); 181 extern void xen_set_callback(void (*)(void), uint_t, uint_t); 182 extern void xen_printf(const char *, ...); 183 #define cpr_dprintf xen_printf 184 extern int xpv_panicking; 185 #define IN_XPV_PANIC() (xpv_panicking > 0) 186 #else 187 extern void setup_mca(void); 188 extern void pat_sync(void); 189 extern void patch_tsc_read(int); 190 #define cpr_dprintf prom_printf 191 #define IN_XPV_PANIC() (__lintzero) 192 #endif 193 194 #endif /* _KERNEL */ 195 196 #if defined(_KERNEL) || defined(_BOOT) 197 extern uint8_t inb(int port); 198 extern void outb(int port, uint8_t value); 199 #endif 200 201 #ifdef __cplusplus 202 } 203 #endif 204 205 #endif /* _SYS_ARCHSYSTM_H */ 206