CMipsExecutor::BasicBlockPtr CEeExecutor::BlockFactory(CMIPS& context, uint32 start, uint32 end)
{
//Kernel area is below 0x100000 and isn't protected. Some games will write code in there
//but it is safe to assume that it won't change (code writes some data just besides itself
//so it keeps generating exceptions, making the game slower)
if(start >= 0x100000 && start < PS2::EE_RAM_SIZE)
{
SetMemoryProtected(m_ram + start, end - start + 4, true);
}
return CMipsExecutor::BlockFactory(context, start, end);
}
void CEeExecutor::ClearActiveBlocksInRange(uint32 start, uint32 end)
{
uint32 rangeSize = end - start;
SetMemoryProtected(m_ram + start, rangeSize, false);
CBasicBlock* currentBlock = nullptr;
if(m_context.m_State.nPC >= start && m_context.m_State.nPC < end)
{
//We are currently executing a block in that range, we need to protect it
//We assume that we're not writing in the same place as the currently executed block
currentBlock = FindBlockStartingAt(m_context.m_State.nPC);
assert(currentBlock != nullptr);
}
ClearActiveBlocksInRangeInternal(start, end, currentBlock);
}
void CEeExecutor::Reset()
{
SetMemoryProtected(m_ram, PS2::EE_RAM_SIZE, false);
CMipsExecutor::Reset();
}