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Eladash 2022-10-05 18:30:12 +03:00 • committed by Ivan
parent d6d7ade6e3
commit 6a36967e6f
4 changed files with 535 additions and 67 deletions
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35
rpcs3/Emu/Memory/vm.cpp
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@ -159,19 +159,17 @@ namespace vm
void range_lock_internal(atomic_t<u64, 64>* range_lock, u32 begin, u32 size)
{
perf_meter<"RHW_LOCK"_u64> perf0;
perf_meter<"RHW_LOCK"_u64> perf0(0);
auto _cpu = get_current_cpu_thread();
cpu_thread* _cpu = nullptr;
if (_cpu)
if (u64 to_store = begin | (u64{size} << 32); *range_lock != to_store)
{
_cpu->state += cpu_flag::wait + cpu_flag::temp;
range_lock->store(to_store);
}
for (u64 i = 0;; i++)
{
range_lock->store(begin | (u64{size} << 32));
const u64 lock_val = g_range_lock.load();
const u64 is_share = g_shmem[begin >> 16].load();
@ -215,6 +213,11 @@ namespace vm
{
range_lock->release(0);
if (!perf0)
{
perf0.restart();
}
// Try triggering a page fault (write)
// TODO: Read memory if needed
vm::_ref<atomic_t<u8>>(test / 4096 == begin / 4096 ? begin : test) += 0;
@ -223,8 +226,26 @@ namespace vm
}
// Wait a bit before accessing global lock
range_lock->store(0);
range_lock->release(0);
if (!perf0)
{
perf0.restart();
}
busy_wait(200);
if (i >= 2 && !_cpu)
{
_cpu = cpu_thread::get_current();
if (_cpu)
{
_cpu->state += cpu_flag::wait + cpu_flag::temp;
}
}
range_lock->store(begin | (u64{size} << 32));
}
if (_cpu)