Revision 28ab0e2e
| b/hw/pc.c | ||
|---|---|---|
| 57 | 57 |
pic_set_irq(13, 0); |
| 58 | 58 |
} |
| 59 | 59 |
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| 60 |
/* TSC handling */ |
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| 61 |
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| 62 |
uint64_t cpu_get_tsc(CPUX86State *env) |
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{
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return qemu_get_clock(vm_clock); |
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} |
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| 60 | 67 |
/* PC cmos mappings */ |
| 61 | 68 |
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| 62 | 69 |
#define REG_EQUIPMENT_BYTE 0x14 |
| b/linux-user/main.c | ||
|---|---|---|
| 99 | 99 |
return -1; |
| 100 | 100 |
} |
| 101 | 101 |
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/* timers for rdtsc */ |
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#if defined(__i386__) |
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int64_t cpu_get_real_ticks(void) |
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{
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int64_t val; |
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asm volatile ("rdtsc" : "=A" (val));
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return val; |
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} |
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#elif defined(__x86_64__) |
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int64_t cpu_get_real_ticks(void) |
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{
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uint32_t low,high; |
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int64_t val; |
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asm volatile("rdtsc" : "=a" (low), "=d" (high));
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val = high; |
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val <<= 32; |
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val |= low; |
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return val; |
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} |
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#else |
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static uint64_t emu_time; |
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int64_t cpu_get_real_ticks(void) |
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{
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return emu_time++; |
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} |
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#endif |
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| 102 | 137 |
#ifdef TARGET_I386 |
| 103 | 138 |
/***********************************************************/ |
| 104 | 139 |
/* CPUX86 core interface */ |
| 105 | 140 |
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uint64_t cpu_get_tsc(CPUX86State *env) |
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{
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return cpu_get_real_ticks(); |
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} |
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| 106 | 146 |
static void write_dt(void *ptr, unsigned long addr, unsigned long limit, |
| 107 | 147 |
int flags) |
| 108 | 148 |
{
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| b/target-i386/cpu.h | ||
|---|---|---|
| 443 | 443 |
void *puc); |
| 444 | 444 |
void cpu_x86_set_a20(CPUX86State *env, int a20_state); |
| 445 | 445 |
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uint64_t cpu_get_tsc(CPUX86State *env); |
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| 446 | 448 |
/* will be suppressed */ |
| 447 | 449 |
void cpu_x86_update_cr0(CPUX86State *env, uint32_t new_cr0); |
| 448 | 450 |
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| b/target-i386/helper.c | ||
|---|---|---|
| 1775 | 1775 |
cpu_x86_flush_tlb(env, addr); |
| 1776 | 1776 |
} |
| 1777 | 1777 |
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/* rdtsc */ |
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#if !defined(__i386__) && !defined(__x86_64__) |
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uint64_t emu_time; |
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#endif |
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| 1783 | 1778 |
void helper_rdtsc(void) |
| 1784 | 1779 |
{
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| 1785 | 1780 |
uint64_t val; |
| 1786 |
#if defined(__i386__) || defined(__x86_64__) |
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asm volatile ("rdtsc" : "=A" (val));
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#else |
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/* better than nothing: the time increases */ |
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val = emu_time++; |
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#endif |
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val = cpu_get_tsc(env); |
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| 1792 | 1783 |
EAX = val; |
| 1793 | 1784 |
EDX = val >> 32; |
| 1794 | 1785 |
} |
| b/tests/qruncom.c | ||
|---|---|---|
| 55 | 55 |
return -1; |
| 56 | 56 |
} |
| 57 | 57 |
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uint64_t cpu_get_tsc(CPUState *env) |
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{
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return 0; |
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} |
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| 58 | 63 |
static void set_gate(void *ptr, unsigned int type, unsigned int dpl, |
| 59 | 64 |
unsigned long addr, unsigned int sel) |
| 60 | 65 |
{
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