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CPU: Add settings for execution mode

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This commit is contained in:
Connor McLaughlin
2019-11-23 20:22:09 +10:00
parent b8de55b9b8
commit 889bd73ac8
8 changed files with 149 additions and 31 deletions
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22
src/core/cpu_code_cache.cpp
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@ -9,8 +9,6 @@ Log_SetChannel(CPU::CodeCache);
namespace CPU {
bool USE_CODE_CACHE = false;
bool USE_RECOMPILER = false;
constexpr bool USE_BLOCK_LINKING = true;
static constexpr size_t RECOMPILER_CODE_CACHE_SIZE = 32 * 1024 * 1024;
@ -20,11 +18,12 @@ CodeCache::CodeCache() = default;
CodeCache::~CodeCache() = default;
void CodeCache::Initialize(System* system, Core* core, Bus* bus)
void CodeCache::Initialize(System* system, Core* core, Bus* bus, bool use_recompiler)
{
m_system = system;
m_core = core;
m_bus = bus;
m_use_recompiler = use_recompiler;
m_code_buffer = std::make_unique<JitCodeBuffer>(RECOMPILER_CODE_CACHE_SIZE, RECOMPILER_FAR_CODE_CACHE_SIZE);
m_asm_functions = std::make_unique<Recompiler::ASMFunctions>();
@ -63,7 +62,7 @@ void CodeCache::Execute()
#endif
reexecute_block:
if (USE_RECOMPILER)
if (m_use_recompiler)
block->host_code(m_core);
else
InterpretCachedBlock(*block);
@ -118,7 +117,16 @@ void CodeCache::Execute()
}
}
void CodeCache::Reset()
void CodeCache::SetUseRecompiler(bool enable)
{
if (m_use_recompiler == enable)
return;
m_use_recompiler = enable;
Flush();
}
void CodeCache::Flush()
{
m_bus->ClearRAMCodePageFlags();
for (auto& it : m_ram_block_map)
@ -285,7 +293,7 @@ bool CodeCache::CompileBlock(CodeBlock* block)
return false;
}
if (USE_RECOMPILER)
if (m_use_recompiler)
{
// Ensure we're not going to run out of space while compiling this block.
if (m_code_buffer->GetFreeCodeSpace() <
@ -294,7 +302,7 @@ bool CodeCache::CompileBlock(CodeBlock* block)
(block->instructions.size() * Recompiler::MAX_FAR_HOST_BYTES_PER_INSTRUCTION))
{
Log_WarningPrintf("Out of code space, flushing all blocks.");
Reset();
Flush();
}
Recompiler::CodeGenerator codegen(m_core, m_code_buffer.get(), *m_asm_functions.get());