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CPU/CodeCache: Add InvalidateAll() method

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This commit is contained in:
Connor McLaughlin 2021-12-02 18:40:31 +10:00
parent fe2062ff9f
commit c440593788
2 changed files with 47 additions and 27 deletions
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71
src/core/cpu_code_cache.cpp
View file

@ -836,44 +836,61 @@ void InvalidCodeFunction()
#endif
static void InvalidateBlock(CodeBlock* block)
{
// Invalidate forces the block to be checked again.
Log_DebugPrintf("Invalidating block at 0x%08X", block->GetPC());
block->invalidated = true;
if (block->can_link)
{
const u32 frame_number = System::GetFrameNumber();
const u32 frame_diff = frame_number - block->invalidate_frame_number;
if (frame_diff <= INVALIDATE_THRESHOLD_TO_DISABLE_LINKING)
{
Log_DevPrintf("Block 0x%08X has been invalidated in %u frames, disabling linking", block->GetPC(), frame_diff);
block->can_link = false;
}
else
{
// It's been a while since this block was modified, so it's all good.
block->invalidate_frame_number = frame_number;
}
}
UnlinkBlock(block);
#ifdef WITH_RECOMPILER
SetFastMap(block->GetPC(), FastCompileBlockFunction);
#endif
}
void InvalidateBlocksWithPageIndex(u32 page_index)
{
DebugAssert(page_index < Bus::RAM_8MB_CODE_PAGE_COUNT);
auto& blocks = m_ram_block_map[page_index];
for (CodeBlock* block : blocks)
{
// Invalidate forces the block to be checked again.
Log_DebugPrintf("Invalidating block at 0x%08X", block->GetPC());
block->invalidated = true;
if (block->can_link)
{
const u32 frame_number = System::GetFrameNumber();
const u32 frame_diff = frame_number - block->invalidate_frame_number;
if (frame_diff <= INVALIDATE_THRESHOLD_TO_DISABLE_LINKING)
{
Log_DevPrintf("Block 0x%08X has been invalidated in %u frames, disabling linking", block->GetPC(), frame_diff);
block->can_link = false;
}
else
{
// It's been a while since this block was modified, so it's all good.
block->invalidate_frame_number = frame_number;
}
}
UnlinkBlock(block);
#ifdef WITH_RECOMPILER
SetFastMap(block->GetPC(), FastCompileBlockFunction);
#endif
}
InvalidateBlock(block);
// Block will be re-added next execution.
blocks.clear();
Bus::ClearRAMCodePage(page_index);
}
void InvalidateAll()
{
for (auto& it : s_blocks)
{
CodeBlock* block = it.second;
if (block && !block->invalidated)
InvalidateBlock(block);
}
Bus::ClearRAMCodePageFlags();
for (auto& it : m_ram_block_map)
it.clear();
}
void RemoveReferencesToBlock(CodeBlock* block)
{
BlockMap::iterator iter = s_blocks.find(block->key.GetPC());

3
src/core/cpu_code_cache.h
View file

@ -140,6 +140,9 @@ void Reinitialize();
/// Invalidates all blocks which are in the range of the specified code page.
void InvalidateBlocksWithPageIndex(u32 page_index);
/// Invalidates all blocks in the cache.
void InvalidateAll();
template<PGXPMode pgxp_mode>
void InterpretCachedBlock(const CodeBlock& block);