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LV2: Add busy waiting before entering atomic wait

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This commit is contained in:
Eladash 2022-07-21 17:25:02 +03:00 • committed by Ivan
parent 2eebbd307d
commit bc728db15b
8 changed files with 104 additions and 3 deletions
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12
rpcs3/Emu/Cell/lv2/sys_mutex.cpp
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@ -7,6 +7,8 @@
#include "Emu/Cell/ErrorCodes.h"
#include "Emu/Cell/PPUThread.h"
#include "util/asm.hpp"
LOG_CHANNEL(sys_mutex);
lv2_mutex::lv2_mutex(utils::serial& ar)
@ -195,6 +197,16 @@ error_code sys_mutex_lock(ppu_thread& ppu, u32 mutex_id, u64 timeout)
return {};
}
for (usz i = 0; cpu_flag::signal - ppu.state && i < 50; i++)
{
busy_wait(500);
}
if (ppu.state & cpu_flag::signal)
{
continue;
}
if (timeout)
{
if (lv2_obj::wait_timeout(timeout, &ppu))