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SVC: Fixed ArbitrateAddress to behave as it does on hardware.

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This was verified with hwtests that i plan to upload later on.
This commit is contained in:
Subv 2015-12-27 18:44:42 -05:00
parent 031443199b
commit 29032ce9b6
2 changed files with 18 additions and 9 deletions
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25
src/core/hle/kernel/address_arbiter.cpp
View file

@ -45,30 +45,32 @@ ResultCode AddressArbiter::ArbitrateAddress(ArbitrationType type, VAddr address,
// Wait current thread (acquire the arbiter)...
case ArbitrationType::WaitIfLessThan:
if ((s32)Memory::Read32(address) <= value) {
if ((s32)Memory::Read32(address) < value) {
Kernel::WaitCurrentThread_ArbitrateAddress(address);
}
break;
case ArbitrationType::WaitIfLessThanWithTimeout:
if ((s32)Memory::Read32(address) <= value) {
if ((s32)Memory::Read32(address) < value) {
Kernel::WaitCurrentThread_ArbitrateAddress(address);
GetCurrentThread()->WakeAfterDelay(nanoseconds);
}
break;
case ArbitrationType::DecrementAndWaitIfLessThan:
{
s32 memory_value = Memory::Read32(address) - 1;
Memory::Write32(address, memory_value);
if (memory_value <= value) {
s32 memory_value = Memory::Read32(address);
if (memory_value < value) {
// Only change the memory value if the thread should wait
Memory::Write32(address, (s32)memory_value - 1);
Kernel::WaitCurrentThread_ArbitrateAddress(address);
}
break;
}
case ArbitrationType::DecrementAndWaitIfLessThanWithTimeout:
{
s32 memory_value = Memory::Read32(address) - 1;
Memory::Write32(address, memory_value);
if (memory_value <= value) {
s32 memory_value = Memory::Read32(address);
if (memory_value < value) {
// Only change the memory value if the thread should wait
Memory::Write32(address, (s32)memory_value - 1);
Kernel::WaitCurrentThread_ArbitrateAddress(address);
GetCurrentThread()->WakeAfterDelay(nanoseconds);
}
@ -82,6 +84,13 @@ ResultCode AddressArbiter::ArbitrateAddress(ArbitrationType type, VAddr address,
HLE::Reschedule(__func__);
// The calls that use a timeout seem to always return a Timeout error even if they did not put the thread to sleep
if (type == ArbitrationType::WaitIfLessThanWithTimeout ||
type == ArbitrationType::DecrementAndWaitIfLessThanWithTimeout) {
return ResultCode(ErrorDescription::Timeout, ErrorModule::OS,
ErrorSummary::StatusChanged, ErrorLevel::Info);
}
return RESULT_SUCCESS;
}

2
src/core/hle/kernel/thread.cpp
View file

@ -300,7 +300,7 @@ static void ThreadWakeupCallback(u64 thread_handle, int cycles_late) {
thread->waitsynch_waited = false;
if (thread->status == THREADSTATUS_WAIT_SYNCH) {
if (thread->status == THREADSTATUS_WAIT_SYNCH || thread->status == THREADSTATUS_WAIT_ARB) {
thread->SetWaitSynchronizationResult(ResultCode(ErrorDescription::Timeout, ErrorModule::OS,
ErrorSummary::StatusChanged, ErrorLevel::Info));