Leahnaya/dolphin
1
0
Fork 0
mirror of https://github.com/dolphin-emu/dolphin.git synced 2026-08-07 20:54:48 -05:00
Code Issues Actions Packages Projects Releases Wiki Activity

Merge pull request #14553 from JosJuice/gbi-pi

Browse Source 
Core: Raise PI interrupt when accessing unmapped memory
This commit is contained in:
JMC47 2026-04-04 12:49:10 -04:00 committed by GitHub
commit c4e99cef61
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
1 changed files with 17 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
Source/Core/Core/PowerPC/MMU.cpp
View File

@ -302,12 +302,21 @@ T MMU::ReadFromHardware(u32 em_address)
return bswap(value);
}
PanicAlertFmt("Unable to resolve read address {:x} PC {:x}", em_address, m_ppc_state.pc);
if (m_system.IsPauseOnPanicMode())
// Memory access error. Game Boy Interface relies on this to confirm that MEM2 isn't present.
// TODO: This interrupt is supposed to have associated cause and address registers.
m_system.GetProcessorInterface().SetInterrupt(ProcessorInterface::INT_CAUSE_PI);
// Don't show a panic alert for the specific access Game Boy Interface does.
if (em_address != 0x10000000 || (m_ppc_state.pc >> 28) != 0)
{
m_system.GetCPU().Break();
m_ppc_state.Exceptions |= EXCEPTION_DSI | EXCEPTION_FAKE_MEMCHECK_HIT;
PanicAlertFmt("Unable to resolve read address {:x} PC {:x}", em_address, m_ppc_state.pc);
if (m_system.IsPauseOnPanicMode())
{
m_system.GetCPU().Break();
m_ppc_state.Exceptions |= EXCEPTION_DSI | EXCEPTION_FAKE_MEMCHECK_HIT;
}
}
return 0;
}
@ -492,6 +501,10 @@ void MMU::WriteToHardware(u32 em_address, const u32 data, const u32 size)
return;
}
// Memory access error.
// TODO: This interrupt is supposed to have associated cause and address registers.
m_system.GetProcessorInterface().SetInterrupt(ProcessorInterface::INT_CAUSE_PI);
PanicAlertFmt("Unable to resolve write address {:x} PC {:x}", em_address, m_ppc_state.pc);
if (m_system.IsPauseOnPanicMode())
{