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  */
  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 getcr8(void);
  48 extern void setcr8(ulong_t);
  49 extern ulong_t getcr2(void);
  50 extern void clflush_insn(caddr_t addr);
  51 extern void mfence_insn(void);
  52 
  53 #if defined(__i386)
  54 extern uint16_t getgs(void);
  55 extern void setgs(uint16_t);
  56 
  57 extern void patch_sse(void);
  58 extern void patch_sse2(void);
  59 #endif
  60 
  61 extern void patch_xsave(void);
  62 
  63 extern void cli(void);
  64 extern void sti(void);
  65 
  66 extern void tenmicrosec(void);
  67 
  68 extern void restore_int_flag(ulong_t);
  69 extern void intr_restore(ulong_t);
  70 extern ulong_t clear_int_flag(void);
  71 extern ulong_t intr_clear(void);
  72 extern ulong_t getflags(void);
  73 extern int interrupts_enabled(void);
  74 
  75 extern void int3(void);
  76 extern void int18(void);
  77 extern void int20(void);
  78 extern void int_cmci(void);
  79 
  80 #if defined(__amd64)
  81 extern void sys_syscall();
  82 extern void sys_syscall32();
  83 extern void sys_lcall32();
  84 extern void sys_syscall_int();
  85 extern void brand_sys_syscall();
  86 extern void brand_sys_syscall32();
  87 extern void brand_sys_syscall_int();
  88 extern int update_sregs();
  89 extern void reset_sregs();
  90 #elif defined(__i386)
  91 extern void sys_call();
  92 extern void brand_sys_call();
  93 #endif
  94 extern void sys_sysenter();
  95 extern void _sys_sysenter_post_swapgs();
  96 extern void brand_sys_sysenter();
  97 extern void _brand_sys_sysenter_post_swapgs();
  98 
  99 extern void dosyscall(void);
 100 
 101 extern void bind_hwcap(void);
 102 
 103 extern uint16_t inw(int port);
 104 extern uint32_t inl(int port);
 105 extern void outw(int port, uint16_t value);
 106 extern void outl(int port, uint32_t value);
 107 
 108 extern void pc_reset(void) __NORETURN;
 109 extern void efi_reset(void) __NORETURN;
 110 extern void reset(void) __NORETURN;
 111 extern int goany(void);
 112 
 113 extern void setgregs(klwp_t *, gregset_t);
 114 extern void getgregs(klwp_t *, gregset_t);
 115 extern void setfpregs(klwp_t *, fpregset_t *);
 116 extern void getfpregs(klwp_t *, fpregset_t *);
 117 
 118 #if defined(_SYSCALL32_IMPL)
 119 extern void getgregs32(klwp_t *, gregset32_t);
 120 extern void setfpregs32(klwp_t *, fpregset32_t *);
 121 extern void getfpregs32(klwp_t *, fpregset32_t *);
 122 #endif
 123 
 124 struct fpu_ctx;
 125 
 126 extern void fp_free(struct fpu_ctx *, int);
 127 extern void fp_save(struct fpu_ctx *);
 128 extern void fp_restore(struct fpu_ctx *);
 129 
 130 extern int fpu_pentium_fdivbug;
 131 
 132 extern void sep_save(void *);
 133 extern void sep_restore(void *);
 134 
 135 extern void brand_interpositioning_enable(void);
 136 extern void brand_interpositioning_disable(void);
 137 
 138 struct regs;
 139 
 140 extern int instr_size(struct regs *, caddr_t *, enum seg_rw);
 141 
 142 extern int enable_cbcp; /* patchable in /etc/system */
 143 
 144 extern uint_t cpu_hwcap_flags;
 145 extern uint_t cpu_freq;
 146 extern uint64_t cpu_freq_hz;
 147 
 148 extern int use_sse_pagecopy;
 149 extern int use_sse_pagezero;
 150 extern int use_sse_copy;
 151 
 152 extern caddr_t i86devmap(pfn_t, pgcnt_t, uint_t);
 153 extern page_t *page_numtopp_alloc(pfn_t pfnum);
 154 
 155 extern void hwblkclr(void *, size_t);
 156 extern void hwblkpagecopy(const void *, void *);
 157 extern void page_copy_no_xmm(void *dst, void *src);
 158 extern void block_zero_no_xmm(void *dst, int len);
 159 #define BLOCKZEROALIGN (4 * sizeof (void *))
 160 
 161 extern void (*kcpc_hw_enable_cpc_intr)(void);
 162 
 163 extern void init_desctbls(void);
 164 
 165 extern user_desc_t *cpu_get_gdt(void);
 166 
 167 extern void switch_sp_and_call(void *, void (*)(uint_t, uint_t), uint_t,
 168         uint_t);
 169 extern hrtime_t (*gethrtimef)(void);
 170 extern hrtime_t (*gethrtimeunscaledf)(void);
 171 extern void (*scalehrtimef)(hrtime_t *);
 172 extern uint64_t (*unscalehrtimef)(hrtime_t);
 173 extern void (*gethrestimef)(timestruc_t *);
 174 
 175 extern void av_dispatch_softvect(uint_t);
 176 extern void av_dispatch_autovect(uint_t);
 177 extern uint_t atomic_btr32(uint32_t *, uint_t);
 178 extern uint_t bsrw_insn(uint16_t);
 179 extern int sys_rtt_common(struct regs *);
 180 extern void fakesoftint(void);
 181 
 182 extern void *plat_traceback(void *);
 183 
 184 #if defined(__xpv)
 185 extern void xen_init_callbacks(void);
 186 extern void xen_set_callback(void (*)(void), uint_t, uint_t);
 187 extern void xen_printf(const char *, ...);
 188 #define cpr_dprintf xen_printf
 189 extern int xpv_panicking;
 190 #define IN_XPV_PANIC() (xpv_panicking > 0)
 191 #else
 192 extern void setup_mca(void);
 193 extern void pat_sync(void);
 194 extern void patch_tsc_read(int);
 195 #if defined(__amd64) && !defined(__xpv)
 196 extern void patch_memops(uint_t);
 197 #endif  /* defined(__amd64) && !defined(__xpv) */
 198 extern void setup_xfem(void);
 199 #define cpr_dprintf prom_printf
 200 #define IN_XPV_PANIC() (__lintzero)
 201 #endif
 202 
 203 #endif /* _KERNEL */
 204 
 205 #if defined(_KERNEL) || defined(_BOOT)
 206 extern uint8_t inb(int port);
 207 extern void outb(int port, uint8_t value);
 208 #endif
 209 
 210 #ifdef __cplusplus
 211 }
 212 #endif
 213 
 214 #endif  /* _SYS_ARCHSYSTM_H */