gwj / at91sam9263 · Commits

Commit 1115dde7194fc1c383e2b374697485ec20269cce

Authored by bellard
1 parent 57206fd4

x86-64 port (Jocelyn Mayer) 


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@752 c046a42c-6fe2-441c-8c8c-71466251a162
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Showing 1 changed file with 13 additions and 0 deletions
... ... @@ -362,6 +362,19 @@ int64_t cpu_get_real_ticks(void)
362 362 return val;
363 363 }
364 364  
  365 +#elif defined(__x86_64__)
  366 +
  367 +int64_t cpu_get_real_ticks(void)
  368 +{
  369 + uint32_t low,high;
  370 + int64_t val;
  371 + asm volatile("rdtsc" : "=a" (low), "=d" (high));
  372 + val = high;
  373 + val <<= 32;
  374 + val |= low;
  375 + return val;
  376 +}
  377 +
365 378 #else
366 379 #error unsupported CPU
367 380 #endif
... ...