166 extern user_desc_t *cpu_get_gdt(void);
 167 
 168 extern void switch_sp_and_call(void *, void (*)(uint_t, uint_t), uint_t,
 169         uint_t);
 170 extern hrtime_t (*gethrtimef)(void);
 171 extern hrtime_t (*gethrtimeunscaledf)(void);
 172 extern void (*scalehrtimef)(hrtime_t *);
 173 extern uint64_t (*unscalehrtimef)(hrtime_t);
 174 extern void (*gethrestimef)(timestruc_t *);
 175 
 176 extern void av_dispatch_softvect(uint_t);
 177 extern void av_dispatch_autovect(uint_t);
 178 extern uint_t atomic_btr32(uint32_t *, uint_t);
 179 extern uint_t bsrw_insn(uint16_t);
 180 extern int sys_rtt_common(struct regs *);
 181 extern void fakesoftint(void);
 182 
 183 extern void *plat_traceback(void *);
 184 
 185 /*
 186  * The following two macros are the four byte instruction sequence of stac, ret
 187  * and clac, ret. These are used in startup_smap() as a part of properly setting
 188  * up the valid instructions. For more information on SMAP, see
 189  * uts/intel/ia32/ml/copy.s.




 190  */
 191 #define SMAP_CLAC_INSTR 0xc3ca010f
 192 #define SMAP_STAC_INSTR 0xc3cb010f
 193 extern void smap_disable(void);
 194 extern void smap_enable(void);
 195 
 196 #if defined(__xpv)
 197 extern void xen_init_callbacks(void);
 198 extern void xen_set_callback(void (*)(void), uint_t, uint_t);
 199 extern void xen_printf(const char *, ...);
 200 #define cpr_dprintf xen_printf
 201 extern int xpv_panicking;
 202 #define IN_XPV_PANIC() (xpv_panicking > 0)
 203 #else
 204 extern void setup_mca(void);
 205 extern void pat_sync(void);
 206 extern void patch_tsc_read(int);
 207 #if defined(__amd64) && !defined(__xpv)
 208 extern void patch_memops(uint_t);
 209 #endif  /* defined(__amd64) && !defined(__xpv) */
 210 extern void setup_xfem(void);
 211 #define cpr_dprintf prom_printf
 212 #define IN_XPV_PANIC() (__lintzero)

 166 extern user_desc_t *cpu_get_gdt(void);
 167 
 168 extern void switch_sp_and_call(void *, void (*)(uint_t, uint_t), uint_t,
 169         uint_t);
 170 extern hrtime_t (*gethrtimef)(void);
 171 extern hrtime_t (*gethrtimeunscaledf)(void);
 172 extern void (*scalehrtimef)(hrtime_t *);
 173 extern uint64_t (*unscalehrtimef)(hrtime_t);
 174 extern void (*gethrestimef)(timestruc_t *);
 175 
 176 extern void av_dispatch_softvect(uint_t);
 177 extern void av_dispatch_autovect(uint_t);
 178 extern uint_t atomic_btr32(uint32_t *, uint_t);
 179 extern uint_t bsrw_insn(uint16_t);
 180 extern int sys_rtt_common(struct regs *);
 181 extern void fakesoftint(void);
 182 
 183 extern void *plat_traceback(void *);
 184 
 185 /*
 186  * The following two macros are the four byte instruction sequence of stac, nop
 187  * and clac, nop. These are used in startup_smap() and hotinline_smap() as a
 188  * part of properly setting up the valid instructions. For more information on
 189  * SMAP, see uts/intel/ia32/ml/copy.s, uts/i86pc/os/machdep.c and
 190  * uts/common/os/modctl.c.
 191  *
 192  * Note that smap_disable and smap_enable are resolved to stubs at compile time,
 193  * but inlined at runtime by do_hotinlines() in uts/i86pc/os/machdep.c.
 194  */
 195 #define SMAP_CLAC_INSTR 0x90ca010f
 196 #define SMAP_STAC_INSTR 0x90cb010f
 197 extern void smap_disable(void);
 198 extern void smap_enable(void);
 199 
 200 #if defined(__xpv)
 201 extern void xen_init_callbacks(void);
 202 extern void xen_set_callback(void (*)(void), uint_t, uint_t);
 203 extern void xen_printf(const char *, ...);
 204 #define cpr_dprintf xen_printf
 205 extern int xpv_panicking;
 206 #define IN_XPV_PANIC() (xpv_panicking > 0)
 207 #else
 208 extern void setup_mca(void);
 209 extern void pat_sync(void);
 210 extern void patch_tsc_read(int);
 211 #if defined(__amd64) && !defined(__xpv)
 212 extern void patch_memops(uint_t);
 213 #endif  /* defined(__amd64) && !defined(__xpv) */
 214 extern void setup_xfem(void);
 215 #define cpr_dprintf prom_printf
 216 #define IN_XPV_PANIC() (__lintzero)