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Use RTM instructions (skylake+)

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This commit is contained in:
Nekotekina 2017-07-18 20:03:47 +03:00
parent 0fa148e65e
commit b24eb621ae
8 changed files with 190 additions and 21 deletions
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43
rpcs3/Emu/Cell/PPUThread.cpp
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@ -1,5 +1,6 @@
#include "stdafx.h"
#include "Utilities/VirtualMemory.h"
#include "Utilities/sysinfo.h"
#include "Crypto/sha1.h"
#include "Emu/Memory/Memory.h"
#include "Emu/System.h"
@ -53,6 +54,8 @@
#include <cfenv>
#include "Utilities/GSL.h"
const bool s_use_rtm = utils::has_rtm();
extern u64 get_system_time();
namespace vm { using namespace ps3; }
@ -825,6 +828,26 @@ extern bool ppu_stwcx(ppu_thread& ppu, u32 addr, u32 reg_value)
return false;
}
if (s_use_rtm && utils::transaction_enter())
{
if (!vm::reader_lock{vm::try_to_lock})
{
_xabort(0);
}
const bool result = ppu.rtime == vm::reservation_acquire(addr, sizeof(u32)) && data.compare_and_swap_test(static_cast<u32>(ppu.rdata), reg_value);
if (result)
{
vm::reservation_update(addr, sizeof(u32));
vm::notify(addr, sizeof(u32));
}
_xend();
ppu.raddr = 0;
return result;
}
vm::writer_lock lock(0);
const bool result = ppu.rtime == vm::reservation_acquire(addr, sizeof(u32)) && data.compare_and_swap_test(static_cast<u32>(ppu.rdata), reg_value);
@ -849,6 +872,26 @@ extern bool ppu_stdcx(ppu_thread& ppu, u32 addr, u64 reg_value)
return false;
}
if (s_use_rtm && utils::transaction_enter())
{
if (!vm::reader_lock{vm::try_to_lock})
{
_xabort(0);
}
const bool result = ppu.rtime == vm::reservation_acquire(addr, sizeof(u64)) && data.compare_and_swap_test(ppu.rdata, reg_value);
if (result)
{
vm::reservation_update(addr, sizeof(u64));
vm::notify(addr, sizeof(u64));
}
_xend();
ppu.raddr = 0;
return result;
}
vm::writer_lock lock(0);
const bool result = ppu.rtime == vm::reservation_acquire(addr, sizeof(u64)) && data.compare_and_swap_test(ppu.rdata, reg_value);