diff options
Diffstat (limited to 'cpu-all.h')
| -rw-r--r-- | cpu-all.h | 147 |
1 files changed, 0 insertions, 147 deletions
@@ -771,10 +771,6 @@ void QEMU_NORETURN cpu_abort(CPUState *env, const char *fmt, ...) extern CPUState *first_cpu; extern CPUState *cpu_single_env; -int64_t qemu_icount_round(int64_t count); -extern int64_t qemu_icount; -extern int use_icount; - #define CPU_INTERRUPT_HARD 0x02 /* hardware interrupt pending */ #define CPU_INTERRUPT_EXITTB 0x04 /* exit the current TB (use for x86 a20 case) */ #define CPU_INTERRUPT_TIMER 0x08 /* internal timer exception pending */ @@ -921,149 +917,6 @@ void dump_exec_info(FILE *f, int cpu_memory_rw_debug(CPUState *env, target_ulong addr, uint8_t *buf, int len, int is_write); -/*******************************************/ -/* host CPU ticks (if available) */ - -#if defined(_ARCH_PPC) - -static inline int64_t cpu_get_real_ticks(void) -{ - int64_t retval; -#ifdef _ARCH_PPC64 - /* This reads timebase in one 64bit go and includes Cell workaround from: - http://ozlabs.org/pipermail/linuxppc-dev/2006-October/027052.html - */ - __asm__ __volatile__ ( - "mftb %0\n\t" - "cmpwi %0,0\n\t" - "beq- $-8" - : "=r" (retval)); -#else - /* http://ozlabs.org/pipermail/linuxppc-dev/1999-October/003889.html */ - unsigned long junk; - __asm__ __volatile__ ( - "mftbu %1\n\t" - "mftb %L0\n\t" - "mftbu %0\n\t" - "cmpw %0,%1\n\t" - "bne $-16" - : "=r" (retval), "=r" (junk)); -#endif - return retval; -} - -#elif defined(__i386__) - -static inline int64_t cpu_get_real_ticks(void) -{ - int64_t val; - asm volatile ("rdtsc" : "=A" (val)); - return val; -} - -#elif defined(__x86_64__) - -static inline int64_t cpu_get_real_ticks(void) -{ - uint32_t low,high; - int64_t val; - asm volatile("rdtsc" : "=a" (low), "=d" (high)); - val = high; - val <<= 32; - val |= low; - return val; -} - -#elif defined(__hppa__) - -static inline int64_t cpu_get_real_ticks(void) -{ - int val; - asm volatile ("mfctl %%cr16, %0" : "=r"(val)); - return val; -} - -#elif defined(__ia64) - -static inline int64_t cpu_get_real_ticks(void) -{ - int64_t val; - asm volatile ("mov %0 = ar.itc" : "=r"(val) :: "memory"); - return val; -} - -#elif defined(__s390__) - -static inline int64_t cpu_get_real_ticks(void) -{ - int64_t val; - asm volatile("stck 0(%1)" : "=m" (val) : "a" (&val) : "cc"); - return val; -} - -#elif defined(__sparc_v8plus__) || defined(__sparc_v8plusa__) || defined(__sparc_v9__) - -static inline int64_t cpu_get_real_ticks (void) -{ -#if defined(_LP64) - uint64_t rval; - asm volatile("rd %%tick,%0" : "=r"(rval)); - return rval; -#else - union { - uint64_t i64; - struct { - uint32_t high; - uint32_t low; - } i32; - } rval; - asm volatile("rd %%tick,%1; srlx %1,32,%0" - : "=r"(rval.i32.high), "=r"(rval.i32.low)); - return rval.i64; -#endif -} - -#elif defined(__mips__) && \ - ((defined(__mips_isa_rev) && __mips_isa_rev >= 2) || defined(__linux__)) -/* - * binutils wants to use rdhwr only on mips32r2 - * but as linux kernel emulate it, it's fine - * to use it. - * - */ -#define MIPS_RDHWR(rd, value) { \ - __asm__ __volatile__ ( \ - ".set push\n\t" \ - ".set mips32r2\n\t" \ - "rdhwr %0, "rd"\n\t" \ - ".set pop" \ - : "=r" (value)); \ -} - -static inline int64_t cpu_get_real_ticks(void) -{ -/* On kernels >= 2.6.25 rdhwr <reg>, $2 and $3 are emulated */ - uint32_t count; - static uint32_t cyc_per_count = 0; - - if (!cyc_per_count) - MIPS_RDHWR("$3", cyc_per_count); - - MIPS_RDHWR("$2", count); - return (int64_t)(count * cyc_per_count); -} - -#else -/* The host CPU doesn't have an easily accessible cycle counter. - Just return a monotonically increasing value. This will be - totally wrong, but hopefully better than nothing. */ -static inline int64_t cpu_get_real_ticks (void) -{ - static int64_t ticks = 0; - return ticks++; -} -#endif - /* profiling */ #ifdef CONFIG_PROFILER static inline int64_t profile_getclock(void) |