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Fix crash when launching gamecube games with MIOS (from the Wii menu)

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This commit is contained in:
Pokechu22 2020-01-13 19:48:19 -08:00
parent 9596fe75f1
commit d67c4f34d1
1 changed files with 16 additions and 6 deletions
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22
Source/Core/Core/IOS/DI/DI.cpp
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@ -526,6 +526,16 @@ std::optional<DI::DIResult> DI::StartImmediateTransfer(const IOCtlRequest& reque
return {};
}
static std::shared_ptr<DI> GetDevice()
{
auto ios = IOS::HLE::GetIOS();
if (!ios)
return nullptr;
auto di = ios->GetDeviceByName("/dev/di");
// di may be empty, but static_pointer_cast returns empty in that case
return std::static_pointer_cast<DI>(di);
}
void DI::InterruptFromDVDInterface(DVDInterface::DIInterruptType interrupt_type)
{
DIResult result;
@ -544,10 +554,10 @@ void DI::InterruptFromDVDInterface(DVDInterface::DIInterruptType interrupt_type)
break;
}
auto di = IOS::HLE::GetIOS()->GetDeviceByName("/dev/di");
auto di = GetDevice();
if (di)
{
std::static_pointer_cast<DI>(di)->FinishDICommand(result);
di->FinishDICommand(result);
}
else
{
@ -560,9 +570,9 @@ void DI::FinishDICommandCallback(u64 userdata, s64 ticksbehind)
{
const DIResult result = static_cast<DIResult>(userdata);
auto di = IOS::HLE::GetIOS()->GetDeviceByName("/dev/di");
auto di = GetDevice();
if (di)
std::static_pointer_cast<DI>(di)->FinishDICommand(result);
di->FinishDICommand(result);
else
PanicAlert("IOS::HLE::Device::DI: Received interrupt from DI when device wasn't registered!");
}
@ -691,12 +701,12 @@ void DI::ChangePartition(const DiscIO::Partition partition)
DiscIO::Partition DI::GetCurrentPartition()
{
auto di = IOS::HLE::GetIOS()->GetDeviceByName("/dev/di");
auto di = GetDevice();
// Note that this function is called in Gamecube mode for UpdateRunningGameMetadata,
// so both cases are hit in normal circumstances.
if (!di)
return DiscIO::PARTITION_NONE;
return std::static_pointer_cast<DI>(di)->m_current_partition;
return di->m_current_partition;
}
void DI::InitializeIfFirstTime()