168 extern user_desc_t *cpu_get_gdt(void);
 169 
 170 extern void switch_sp_and_call(void *, void (*)(uint_t, uint_t), uint_t,
 171         uint_t);
 172 extern hrtime_t (*gethrtimef)(void);
 173 extern hrtime_t (*gethrtimeunscaledf)(void);
 174 extern void (*scalehrtimef)(hrtime_t *);
 175 extern uint64_t (*unscalehrtimef)(hrtime_t);
 176 extern void (*gethrestimef)(timestruc_t *);
 177 
 178 extern void av_dispatch_softvect(uint_t);
 179 extern void av_dispatch_autovect(uint_t);
 180 extern uint_t atomic_btr32(uint32_t *, uint_t);
 181 extern uint_t bsrw_insn(uint16_t);
 182 extern int sys_rtt_common(struct regs *);
 183 extern void fakesoftint(void);
 184 
 185 extern void *plat_traceback(void *);
 186 
 187 /*
 188  * The following two macros are the four byte instruction sequence of stac, ret
 189  * and clac, ret. These are used in startup_smap() as a part of properly setting
 190  * up the valid instructions. For more information on SMAP, see
 191  * uts/intel/ia32/ml/copy.s.




 192  */
 193 #define SMAP_CLAC_INSTR 0xc3ca010f
 194 #define SMAP_STAC_INSTR 0xc3cb010f
 195 extern void smap_disable(void);
 196 extern void smap_enable(void);
 197 
 198 #if defined(__xpv)
 199 extern void xen_init_callbacks(void);
 200 extern void xen_set_callback(void (*)(void), uint_t, uint_t);
 201 extern void xen_printf(const char *, ...);
 202 #define cpr_dprintf xen_printf
 203 extern int xpv_panicking;
 204 #define IN_XPV_PANIC() (xpv_panicking > 0)
 205 #else
 206 extern void setup_mca(void);
 207 extern void pat_sync(void);
 208 extern void patch_tsc_read(int);
 209 #if defined(__amd64) && !defined(__xpv)
 210 extern void patch_memops(uint_t);
 211 #endif  /* defined(__amd64) && !defined(__xpv) */
 212 extern void setup_xfem(void);
 213 #define cpr_dprintf prom_printf
 214 #define IN_XPV_PANIC() (__lintzero)

 168 extern user_desc_t *cpu_get_gdt(void);
 169 
 170 extern void switch_sp_and_call(void *, void (*)(uint_t, uint_t), uint_t,
 171         uint_t);
 172 extern hrtime_t (*gethrtimef)(void);
 173 extern hrtime_t (*gethrtimeunscaledf)(void);
 174 extern void (*scalehrtimef)(hrtime_t *);
 175 extern uint64_t (*unscalehrtimef)(hrtime_t);
 176 extern void (*gethrestimef)(timestruc_t *);
 177 
 178 extern void av_dispatch_softvect(uint_t);
 179 extern void av_dispatch_autovect(uint_t);
 180 extern uint_t atomic_btr32(uint32_t *, uint_t);
 181 extern uint_t bsrw_insn(uint16_t);
 182 extern int sys_rtt_common(struct regs *);
 183 extern void fakesoftint(void);
 184 
 185 extern void *plat_traceback(void *);
 186 
 187 /*
 188  * The following two macros are the four byte instruction sequence of stac, nop
 189  * and clac, nop. These are used in startup_smap() and hotinline_smap() as a
 190  * part of properly setting up the valid instructions. For more information on
 191  * SMAP, see uts/intel/ia32/ml/copy.s, uts/i86pc/os/machdep.c and
 192  * uts/common/os/modctl.c.
 193  *
 194  * Note that smap_disable and smap_enable are resolved to stubs at compile time,
 195  * but inlined at runtime by do_hotinlines() in uts/i86pc/os/machdep.c.
 196  */
 197 #define SMAP_CLAC_INSTR 0x90ca010f
 198 #define SMAP_STAC_INSTR 0x90cb010f
 199 extern void smap_disable(void);
 200 extern void smap_enable(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)