Xargon/Duckstation
1
0
Fork 0
mirror of https://github.com/RetroDECK/Duckstation.git synced 2024-11-23 14:25:37 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

DMA: Clear state on shutdown

Browse source 
Fix a rare crash where the GPU starting after a second boot accesses
uninitalized DMA fields.
This commit is contained in:
Connor McLaughlin 2021-01-03 14:42:41 +10:00
parent 2ec26e54b7
commit c9ef3ec1a3
2 changed files with 9 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
src/core/dma.cpp
View file

@ -36,10 +36,17 @@ void DMA::Initialize()
void DMA::Shutdown()
{
ClearState();
m_unhalt_event.reset();
}
void DMA::Reset()
{
ClearState();
m_unhalt_event->Deactivate();
}
void DMA::ClearState()
{
for (u32 i = 0; i < NUM_CHANNELS; i++)
{
@ -54,7 +61,6 @@ void DMA::Reset()
m_DICR.bits = 0;
m_halt_ticks_remaining = 0;
m_unhalt_event->Deactivate();
}
bool DMA::DoState(StateWrapper& sw)

2
src/core/dma.h
View file

@ -60,6 +60,8 @@ private:
Reserved = 3
};
void ClearState();
// is everything enabled for a channel to operate?
bool CanTransferChannel(Channel channel) const;
bool IsTransferHalted() const;