archive/rpcs3
1
0
Fork 0
mirror of https://github.com/RPCS3/rpcs3.git synced 2025-07-05 22:41:25 +12:00
Code Issues Projects Releases Packages Wiki Activity Actions

ARM: don't calibrate TSC, use cntfrq_el0 info

Browse source
This commit is contained in:
Nekotekina 2022-01-18 04:21:42 +03:00
parent 4728478247
commit 08b02efc6c
1 changed files with 6 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

6
rpcs3/util/sysinfo.cpp
View file

@ -483,6 +483,12 @@ ullong utils::get_tsc_freq()
{ {
static const ullong cal_tsc = []() -> ullong static const ullong cal_tsc = []() -> ullong
{ {
#ifdef ARCH_ARM64
u64 r = 0;
__asm__ volatile("mrs %0, cntfrq_el0" : "=r" (r));
return r;
#endif
if (!has_invariant_tsc()) if (!has_invariant_tsc())
return 0; return 0;