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MMU: Invert conditionals in Memcheck() 

Lets us unindent code a little bit.
This commit is contained in:
Lioncash 2021-08-31 11:30:55 -04:00
parent c2c30b4d50
commit a8ebca4fc6
1 changed files with 27 additions and 24 deletions
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51
Source/Core/Core/PowerPC/MMU.cpp
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@ -501,32 +501,35 @@ TryReadResult<u32> HostTryReadInstruction(const u32 address, RequestedAddressSpa
static void Memcheck(u32 address, u32 var, bool write, size_t size)
{
if (PowerPC::memchecks.HasAny())
if (!memchecks.HasAny())
return;
TMemCheck* mc = memchecks.GetMemCheck(address, size);
if (mc == nullptr)
return;
if (CPU::IsStepping())
{
TMemCheck* mc = PowerPC::memchecks.GetMemCheck(address, size);
if (mc)
{
if (CPU::IsStepping())
{
// Disable when stepping so that resume works.
return;
}
mc->num_hits++;
bool pause = mc->Action(&PowerPC::debug_interface, var, address, write, size, PC);
if (pause)
{
CPU::Break();
// Fake a DSI so that all the code that tests for it in order to skip
// the rest of the instruction will apply. (This means that
// watchpoints will stop the emulator before the offending load/store,
// not after like GDB does, but that's better anyway. Just need to
// make sure resuming after that works.)
// It doesn't matter if ReadFromHardware triggers its own DSI because
// we'll take it after resuming.
PowerPC::ppcState.Exceptions |= EXCEPTION_DSI | EXCEPTION_FAKE_MEMCHECK_HIT;
}
}
// Disable when stepping so that resume works.
return;
}
mc->num_hits++;
const bool pause = mc->Action(&debug_interface, var, address, write, size, PC);
if (!pause)
return;
CPU::Break();
// Fake a DSI so that all the code that tests for it in order to skip
// the rest of the instruction will apply. (This means that
// watchpoints will stop the emulator before the offending load/store,
// not after like GDB does, but that's better anyway. Just need to
// make sure resuming after that works.)
// It doesn't matter if ReadFromHardware triggers its own DSI because
// we'll take it after resuming.
ppcState.Exceptions |= EXCEPTION_DSI | EXCEPTION_FAKE_MEMCHECK_HIT;
}
u8 Read_U8(const u32 address)