Commit 1115dde7 authored by bellard's avatar bellard

x86-64 port (Jocelyn Mayer)


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@752 c046a42c-6fe2-441c-8c8c-71466251a162
parent 57206fd4
......@@ -362,6 +362,19 @@ int64_t cpu_get_real_ticks(void)
return val;
}
#elif defined(__x86_64__)
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;
}
#else
#error unsupported CPU
#endif
......
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