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Add Time_GetTSC code for ARM64

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This commit is contained in:
Ali Mashtizadeh 2023-11-07 18:48:48 -05:00
parent 081043f8f1
commit 944a67a596
1 changed files with 11 additions and 1 deletions
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12
sys/arm64/time.c
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@ -12,7 +12,17 @@
uint64_t
Time_GetTSC()
{
return 0;
uint64_t ui;
asm volatile("mrs %0, CNTVCT_EL0" : "=&r" (ui));
return ui;
}
uint64_t
Time_GetTSCFreq()
{
uint64_t ui;
asm volatile("mrs %0, CNTFRQ_EL0" : "=&r" (ui));
return ui;
}
static void