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 ucontext;
 125 extern void xregs_clrptr(struct _klwp *, struct ucontext *);
 126 extern int xregs_hasptr(struct _klwp *, struct ucontext *);
 127 extern caddr_t xregs_getptr(struct _klwp *, struct ucontext *);
 128 extern void xregs_setptr(struct _klwp *, struct ucontext *, caddr_t);
 129 
 130 #if defined(_SYSCALL32_IMPL)
 131 struct ucontext32;
 132 extern void xregs_clrptr32(struct _klwp *, struct ucontext32 *);
 133 extern int xregs_hasptr32(struct _klwp *, struct ucontext32 *);
 134 extern caddr32_t xregs_getptr32(struct _klwp *, struct ucontext32 *);
 135 extern void xregs_setptr32(struct _klwp *, struct ucontext32 *, caddr32_t);
 136 #endif /* _SYSCALL32_IMPL */
 137 
 138 extern void xregs_get(struct _klwp *, caddr_t);
 139 extern void xregs_set(struct _klwp *, caddr_t);
 140 extern int xregs_getsize(struct proc *);
 141 
 142 struct fpu_ctx;
 143 
 144 extern void fp_free(struct fpu_ctx *, int);
 145 extern void fp_save(struct fpu_ctx *);
 146 extern void fp_restore(struct fpu_ctx *);
 147 
 148 extern int fpu_pentium_fdivbug;
 149 
 150 extern void sep_save(void *);
 151 extern void sep_restore(void *);
 152 
 153 extern void brand_interpositioning_enable(void);
 154 extern void brand_interpositioning_disable(void);
 155 
 156 struct regs;
 157 
 158 extern int instr_size(struct regs *, caddr_t *, enum seg_rw);
 159 
 160 extern int enable_cbcp; /* patchable in /etc/system */
 161 
 162 extern uint_t cpu_hwcap_flags;
 163 extern uint_t cpu_freq;
 164 extern uint64_t cpu_freq_hz;
 165 
 166 extern int use_sse_pagecopy;
 167 extern int use_sse_pagezero;
 168 extern int use_sse_copy;
 169 
 170 extern caddr_t i86devmap(pfn_t, pgcnt_t, uint_t);
 171 extern page_t *page_numtopp_alloc(pfn_t pfnum);
 172 
 173 extern void hwblkclr(void *, size_t);
 174 extern void hwblkpagecopy(const void *, void *);
 175 extern void page_copy_no_xmm(void *dst, void *src);
 176 extern void block_zero_no_xmm(void *dst, int len);
 177 #define BLOCKZEROALIGN (4 * sizeof (void *))
 178 
 179 extern void (*kcpc_hw_enable_cpc_intr)(void);
 180 
 181 extern void init_desctbls(void);
 182 
 183 extern user_desc_t *cpu_get_gdt(void);
 184 
 185 extern void switch_sp_and_call(void *, void (*)(uint_t, uint_t), uint_t,
 186         uint_t);
 187 extern hrtime_t (*gethrtimef)(void);
 188 extern hrtime_t (*gethrtimeunscaledf)(void);
 189 extern void (*scalehrtimef)(hrtime_t *);
 190 extern uint64_t (*unscalehrtimef)(hrtime_t);
 191 extern void (*gethrestimef)(timestruc_t *);
 192 
 193 extern void av_dispatch_softvect(uint_t);
 194 extern void av_dispatch_autovect(uint_t);
 195 extern uint_t atomic_btr32(uint32_t *, uint_t);
 196 extern uint_t bsrw_insn(uint16_t);
 197 extern int sys_rtt_common(struct regs *);
 198 extern void fakesoftint(void);
 199 
 200 extern void *plat_traceback(void *);
 201 
 202 #if defined(__xpv)
 203 extern void xen_init_callbacks(void);
 204 extern void xen_set_callback(void (*)(void), uint_t, uint_t);
 205 extern void xen_printf(const char *, ...);
 206 #define cpr_dprintf xen_printf
 207 extern int xpv_panicking;
 208 #define IN_XPV_PANIC() (xpv_panicking > 0)
 209 #else
 210 extern void setup_mca(void);
 211 extern void pat_sync(void);
 212 extern void patch_tsc_read(int);
 213 #if defined(__amd64) && !defined(__xpv)
 214 extern void patch_memops(uint_t);
 215 #endif  /* defined(__amd64) && !defined(__xpv) */
 216 extern void setup_xfem(void);
 217 #define cpr_dprintf prom_printf
 218 #define IN_XPV_PANIC() (__lintzero)
 219 #endif
 220 
 221 #endif /* _KERNEL */
 222 
 223 #if defined(_KERNEL) || defined(_BOOT)
 224 extern uint8_t inb(int port);
 225 extern void outb(int port, uint8_t value);
 226 #endif
 227 
 228 #ifdef __cplusplus
 229 }
 230 #endif
 231 
 232 #endif  /* _SYS_ARCHSYSTM_H */