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PPU: Cleanup & unify reservation loads (#8849)

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Eladash 2020-09-08 00:06:09 +03:00 committed by GitHub
parent 5060c779da
commit 2f3e0044f1
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 9 additions and 36 deletions
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45
rpcs3/Emu/Cell/PPUThread.cpp
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@ -1082,10 +1082,15 @@ static T ppu_load_acquire_reservation(ppu_thread& ppu, u32 addr)
const u64 data_off = (addr & 7) * 8;
ppu.raddr = addr;
const u64 mask_res = g_use_rtm ? (-128 | vm::dma_lockb) : -1;
for (u64 count = 0; g_use_rtm; [&]()
for (u64 count = 0;; [&]()
{
if (++count < 20) [[likely]]
if (ppu.state)
{
ppu.check_state();
}
else if (++count < 20) [[likely]]
{
busy_wait(300);
}
@ -1097,7 +1102,7 @@ static T ppu_load_acquire_reservation(ppu_thread& ppu, u32 addr)
}
}())
{
ppu.rtime = vm::reservation_acquire(addr, sizeof(T)) & (-128 | vm::dma_lockb);
ppu.rtime = vm::reservation_acquire(addr, sizeof(T)) & mask_res;
if (ppu.rtime & 127)
{
@ -1106,7 +1111,7 @@ static T ppu_load_acquire_reservation(ppu_thread& ppu, u32 addr)
ppu.rdata = data;
if ((vm::reservation_acquire(addr, sizeof(T)) & (-128 | vm::dma_lockb)) == ppu.rtime) [[likely]]
if ((vm::reservation_acquire(addr, sizeof(T)) & mask_res) == ppu.rtime) [[likely]]
{
if (count >= 10) [[unlikely]]
{
@ -1116,38 +1121,6 @@ static T ppu_load_acquire_reservation(ppu_thread& ppu, u32 addr)
return static_cast<T>(ppu.rdata << data_off >> size_off);
}
}
for (u64 i = 0;; i++)
{
ppu.rtime = vm::reservation_acquire(addr, sizeof(T));
if ((ppu.rtime & 127) == 0) [[likely]]
{
ppu.rdata = data;
if (vm::reservation_acquire(addr, sizeof(T)) == ppu.rtime) [[likely]]
{
break;
}
}
if (ppu.state)
{
ppu.check_state();
}
else if (i < 20)
{
busy_wait(300);
}
else
{
ppu.state += cpu_flag::wait;
std::this_thread::yield();
ppu.check_state();
}
}
return static_cast<T>(ppu.rdata << data_off >> size_off);
}
extern u32 ppu_lwarx(ppu_thread& ppu, u32 addr)