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 extern void iommu_cpu_nop(void); 49 extern void clflush_insn(caddr_t addr); 50 extern void mfence_insn(void); 51 52 #if defined(__i386) 53 extern uint16_t getgs(void); 54 extern void setgs(uint16_t); 55 56 extern void patch_sse(void); 57 extern void patch_sse2(void); 58 #endif 59 60 extern void cli(void); 61 extern void sti(void); 62 63 extern void tenmicrosec(void); 64 65 extern void restore_int_flag(ulong_t); 66 extern void intr_restore(ulong_t); 67 extern ulong_t clear_int_flag(void); 68 extern ulong_t intr_clear(void); 69 extern ulong_t getflags(void); 70 extern int interrupts_enabled(void); 71 72 extern void int3(void); 73 extern void int18(void); 74 extern void int20(void); 75 extern void int_cmci(void); 76 77 #if defined(__amd64) 78 extern void sys_syscall(); 79 extern void sys_syscall32(); 80 extern void sys_lcall32(); 81 extern void sys_syscall_int(); 82 extern void brand_sys_syscall(); 83 extern void brand_sys_syscall32(); 84 extern void brand_sys_syscall_int(); 85 extern int update_sregs(); 86 extern void reset_sregs(); 87 #elif defined(__i386) 88 extern void sys_call(); 89 extern void brand_sys_call(); 90 #endif 91 extern void sys_sysenter(); 92 extern void _sys_sysenter_post_swapgs(); 93 extern void brand_sys_sysenter(); 94 extern void _brand_sys_sysenter_post_swapgs(); 95 96 extern void dosyscall(void); 97 98 extern void bind_hwcap(void); 99 100 extern uint16_t inw(int port); 101 extern uint32_t inl(int port); 102 extern void outw(int port, uint16_t value); 103 extern void outl(int port, uint32_t value); 104 105 extern void pc_reset(void) __NORETURN; 106 extern void efi_reset(void) __NORETURN; 107 extern void reset(void) __NORETURN; 108 extern int goany(void); 109 110 extern void setgregs(klwp_t *, gregset_t); 111 extern void getgregs(klwp_t *, gregset_t); 112 extern void setfpregs(klwp_t *, fpregset_t *); 113 extern void getfpregs(klwp_t *, fpregset_t *); 114 115 #if defined(_SYSCALL32_IMPL) 116 extern void getgregs32(klwp_t *, gregset32_t); 117 extern void setfpregs32(klwp_t *, fpregset32_t *); 118 extern void getfpregs32(klwp_t *, fpregset32_t *); 119 #endif 120 121 struct fpu_ctx; 122 123 extern void fp_free(struct fpu_ctx *, int); 124 extern void fp_save(struct fpu_ctx *); 125 extern void fp_restore(struct fpu_ctx *); 126 127 extern int fpu_pentium_fdivbug; 128 129 extern void sep_save(void *); 130 extern void sep_restore(void *); 131 132 extern void brand_interpositioning_enable(void); 133 extern void brand_interpositioning_disable(void); 134 135 struct regs; 136 137 extern int instr_size(struct regs *, caddr_t *, enum seg_rw); 138 139 extern void realsigprof(int, int); 140 141 extern int enable_cbcp; /* patchable in /etc/system */ 142 143 extern uint_t cpu_hwcap_flags; 144 extern uint_t cpu_freq; 145 extern uint64_t cpu_freq_hz; 146 147 extern int use_sse_pagecopy; 148 extern int use_sse_pagezero; 149 extern int use_sse_copy; 150 151 extern caddr_t i86devmap(pfn_t, pgcnt_t, uint_t); 152 extern page_t *page_numtopp_alloc(pfn_t pfnum); 153 154 extern void hwblkclr(void *, size_t); 155 extern void hwblkpagecopy(const void *, void *); 156 extern void page_copy_no_xmm(void *dst, void *src); 157 extern void block_zero_no_xmm(void *dst, int len); 158 #define BLOCKZEROALIGN (4 * sizeof (void *)) 159 160 extern void (*kcpc_hw_enable_cpc_intr)(void); 161 162 extern void init_desctbls(void); 163 164 extern user_desc_t *cpu_get_gdt(void); 165 166 extern void switch_sp_and_call(void *, void (*)(uint_t, uint_t), uint_t, 167 uint_t); 168 extern hrtime_t (*gethrtimef)(void); 169 extern hrtime_t (*gethrtimeunscaledf)(void); 170 extern void (*scalehrtimef)(hrtime_t *); 171 extern void (*gethrestimef)(timestruc_t *); 172 173 extern void av_dispatch_softvect(uint_t); 174 extern void av_dispatch_autovect(uint_t); 175 extern uint_t atomic_btr32(uint32_t *, uint_t); 176 extern uint_t bsrw_insn(uint16_t); 177 extern int sys_rtt_common(struct regs *); 178 extern void fakesoftint(void); 179 180 extern void *plat_traceback(void *); 181 182 #if defined(__xpv) 183 extern void xen_init_callbacks(void); 184 extern void xen_set_callback(void (*)(void), uint_t, uint_t); 185 extern void xen_printf(const char *, ...); 186 #define cpr_dprintf xen_printf 187 extern int xpv_panicking; 188 #define IN_XPV_PANIC() (xpv_panicking > 0) 189 #else 190 extern void setup_mca(void); 191 extern void pat_sync(void); 192 extern void patch_tsc_read(int); 193 #if defined(__amd64) && !defined(__xpv) 194 extern void patch_memops(uint_t); 195 #endif /* defined(__amd64) && !defined(__xpv) */ 196 #define cpr_dprintf prom_printf 197 #define IN_XPV_PANIC() (__lintzero) 198 #endif 199 200 #endif /* _KERNEL */ 201 202 #if defined(_KERNEL) || defined(_BOOT) 203 extern uint8_t inb(int port); 204 extern void outb(int port, uint8_t value); 205 #endif 206 207 #ifdef __cplusplus 208 } 209 #endif 210 211 #endif /* _SYS_ARCHSYSTM_H */ 212