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PPU: Fix LWARX/LDARX on TSX path

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This commit is contained in:
Eladash 2020-04-17 08:13:46 +03:00 committed by Ivan
parent e423128a32
commit 3be687cd18
1 changed files with 26 additions and 10 deletions
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36
rpcs3/Emu/Cell/PPUThread.cpp
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@ -1033,15 +1033,36 @@ static T ppu_load_acquire_reservation(ppu_thread& ppu, u32 addr)
ppu.raddr = addr; ppu.raddr = addr;
u64 count = 0; for (u64 count = 0; g_use_rtm; [&]()
while (g_use_rtm) [[likely]]
{ {
ppu.rtime = vm::reservation_acquire(addr, sizeof(T)) & -128; if (++count < 20) [[likely]]
{
busy_wait(300);
}
else
{
std::this_thread::yield();
}
}())
{
ppu.rtime = vm::reservation_acquire(addr, sizeof(T));
if (ppu.rtime & 127)
{
if (!(ppu.state & cpu_flag::wait))
{
ppu.state += cpu_flag::wait;
}
continue;
}
ppu.rdata = data; ppu.rdata = data;
if ((vm::reservation_acquire(addr, sizeof(T)) & -128) == ppu.rtime) [[likely]] if (vm::reservation_acquire(addr, sizeof(T)) == ppu.rtime) [[likely]]
{ {
ppu.test_stopped();
if (count >= 10) [[unlikely]] if (count >= 10) [[unlikely]]
{ {
ppu_log.error("%s took too long: %u", sizeof(T) == 4 ? "LWARX" : "LDARX", count); ppu_log.error("%s took too long: %u", sizeof(T) == 4 ? "LWARX" : "LDARX", count);
@ -1049,11 +1070,6 @@ static T ppu_load_acquire_reservation(ppu_thread& ppu, u32 addr)
return static_cast<T>(ppu.rdata << data_off >> size_off); return static_cast<T>(ppu.rdata << data_off >> size_off);
} }
else
{
_mm_pause();
count++;
}
} }
ppu.rtime = vm::reservation_acquire(addr, sizeof(T)); ppu.rtime = vm::reservation_acquire(addr, sizeof(T));