Revision 28ab0e2e linux-user/main.c
| b/linux-user/main.c | ||
|---|---|---|
| 99 | 99 |
return -1; |
| 100 | 100 |
} |
| 101 | 101 |
|
| 102 |
/* timers for rdtsc */ |
|
| 103 |
|
|
| 104 |
#if defined(__i386__) |
|
| 105 |
|
|
| 106 |
int64_t cpu_get_real_ticks(void) |
|
| 107 |
{
|
|
| 108 |
int64_t val; |
|
| 109 |
asm volatile ("rdtsc" : "=A" (val));
|
|
| 110 |
return val; |
|
| 111 |
} |
|
| 112 |
|
|
| 113 |
#elif defined(__x86_64__) |
|
| 114 |
|
|
| 115 |
int64_t cpu_get_real_ticks(void) |
|
| 116 |
{
|
|
| 117 |
uint32_t low,high; |
|
| 118 |
int64_t val; |
|
| 119 |
asm volatile("rdtsc" : "=a" (low), "=d" (high));
|
|
| 120 |
val = high; |
|
| 121 |
val <<= 32; |
|
| 122 |
val |= low; |
|
| 123 |
return val; |
|
| 124 |
} |
|
| 125 |
|
|
| 126 |
#else |
|
| 127 |
|
|
| 128 |
static uint64_t emu_time; |
|
| 129 |
|
|
| 130 |
int64_t cpu_get_real_ticks(void) |
|
| 131 |
{
|
|
| 132 |
return emu_time++; |
|
| 133 |
} |
|
| 134 |
|
|
| 135 |
#endif |
|
| 136 |
|
|
| 102 | 137 |
#ifdef TARGET_I386 |
| 103 | 138 |
/***********************************************************/ |
| 104 | 139 |
/* CPUX86 core interface */ |
| 105 | 140 |
|
| 141 |
uint64_t cpu_get_tsc(CPUX86State *env) |
|
| 142 |
{
|
|
| 143 |
return cpu_get_real_ticks(); |
|
| 144 |
} |
|
| 145 |
|
|
| 106 | 146 |
static void write_dt(void *ptr, unsigned long addr, unsigned long limit, |
| 107 | 147 |
int flags) |
| 108 | 148 |
{
|
Also available in: Unified diff