early-access version 1550
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yuzu emulator early access
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=============
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This is the source code for early-access 1548.
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This is the source code for early-access 1550.
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## Legal Notice
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@ -197,6 +197,13 @@ struct UserConfig {
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/// NOTE: Calling Jit::SetCpsr with CPSR.E=1 while this option is enabled may result
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/// in unusual behavior.
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bool always_little_endian = false;
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// Minimum size is about 8MiB. Maximum size is about 2GiB. Maximum size is limited by
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// the maximum length of a x64 jump.
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size_t code_cache_size = 256 * 1024 * 1024; // bytes
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// Determines the relative size of the near and far code caches. Must be smaller than
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// code_cache_size.
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size_t far_code_offset = 200 * 1024 * 1024; // bytes
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};
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} // namespace A32
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@ -245,6 +245,13 @@ struct UserConfig {
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// Determines whether AddTicks and GetTicksRemaining are called.
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// If false, execution will continue until soon after Jit::HaltExecution is called.
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// bool enable_ticks = true; // TODO
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// Minimum size is about 8MiB. Maximum size is about 2GiB. Maximum size is limited by
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// the maximum length of a x64 jump.
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size_t code_cache_size = 256 * 1024 * 1024; // bytes
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// Determines the relative size of the near and far code caches. Must be smaller than
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// code_cache_size.
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size_t far_code_offset = 200 * 1024 * 1024; // bytes
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};
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} // namespace A64
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@ -53,7 +53,7 @@ static std::function<void(BlockOfCode&)> GenRCP(const A32::UserConfig& conf) {
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struct Jit::Impl {
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Impl(Jit* jit, A32::UserConfig conf)
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: block_of_code(GenRunCodeCallbacks(conf.callbacks, &GetCurrentBlockThunk, this), JitStateInfo{jit_state}, GenRCP(conf))
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: block_of_code(GenRunCodeCallbacks(conf.callbacks, &GetCurrentBlockThunk, this), JitStateInfo{jit_state}, conf.code_cache_size, conf.far_code_offset, GenRCP(conf))
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, emitter(block_of_code, conf, jit)
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, conf(std::move(conf))
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, jit_interface(jit)
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@ -45,7 +45,7 @@ struct Jit::Impl final {
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public:
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Impl(Jit* jit, UserConfig conf)
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: conf(conf)
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, block_of_code(GenRunCodeCallbacks(conf.callbacks, &GetCurrentBlockThunk, this), JitStateInfo{jit_state}, GenRCP(conf))
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, block_of_code(GenRunCodeCallbacks(conf.callbacks, &GetCurrentBlockThunk, this), JitStateInfo{jit_state}, conf.code_cache_size, conf.far_code_offset, GenRCP(conf))
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, emitter(block_of_code, conf, jit)
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{
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ASSERT(conf.page_table_address_space_bits >= 12 && conf.page_table_address_space_bits <= 64);
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@ -44,8 +44,6 @@ const std::array<Xbyak::Reg64, 6> BlockOfCode::ABI_PARAMS = {BlockOfCode::ABI_PA
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namespace {
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constexpr size_t TOTAL_CODE_SIZE = 256 * 1024 * 1024;
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constexpr size_t FAR_CODE_OFFSET = 200 * 1024 * 1024;
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constexpr size_t CONSTANT_POOL_SIZE = 2 * 1024 * 1024;
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class CustomXbyakAllocator : public Xbyak::Allocator {
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@ -75,10 +73,11 @@ void ProtectMemory(const void* base, size_t size, bool is_executable) {
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} // anonymous namespace
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BlockOfCode::BlockOfCode(RunCodeCallbacks cb, JitStateInfo jsi, std::function<void(BlockOfCode&)> rcp)
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: Xbyak::CodeGenerator(TOTAL_CODE_SIZE, nullptr, &s_allocator)
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BlockOfCode::BlockOfCode(RunCodeCallbacks cb, JitStateInfo jsi, size_t total_code_size, size_t far_code_offset, std::function<void(BlockOfCode&)> rcp)
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: Xbyak::CodeGenerator(total_code_size, nullptr, &s_allocator)
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, cb(std::move(cb))
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, jsi(jsi)
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, far_code_offset(far_code_offset)
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, constant_pool(*this, CONSTANT_POOL_SIZE)
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{
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EnableWriting();
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@ -88,7 +87,7 @@ BlockOfCode::BlockOfCode(RunCodeCallbacks cb, JitStateInfo jsi, std::function<vo
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void BlockOfCode::PreludeComplete() {
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prelude_complete = true;
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near_code_begin = getCurr();
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far_code_begin = getCurr() + FAR_CODE_OFFSET;
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far_code_begin = getCurr() + far_code_offset;
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ClearCache();
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DisableWriting();
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}
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@ -115,22 +114,13 @@ void BlockOfCode::ClearCache() {
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size_t BlockOfCode::SpaceRemaining() const {
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ASSERT(prelude_complete);
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// This function provides an underestimate of near-code-size but that's okay.
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// (Why? The maximum size of near code should be measured from near_code_begin, not top_.)
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// These are offsets from Xbyak::CodeArray::top_.
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std::size_t far_code_offset, near_code_offset;
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if (in_far_code) {
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near_code_offset = static_cast<const u8*>(near_code_ptr) - getCode();
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far_code_offset = getCurr() - getCode();
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} else {
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near_code_offset = getCurr() - getCode();
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far_code_offset = static_cast<const u8*>(far_code_ptr) - getCode();
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}
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if (far_code_offset > TOTAL_CODE_SIZE)
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const u8* current_near_ptr = in_far_code ? reinterpret_cast<const u8*>(near_code_ptr) : getCode<const u8*>();
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const u8* current_far_ptr = in_far_code ? getCode<const u8*>() : reinterpret_cast<const u8*>(far_code_ptr);
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if (current_near_ptr >= far_code_begin)
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return 0;
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if (near_code_offset > FAR_CODE_OFFSET)
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if (current_far_ptr >= &top_[maxSize_])
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return 0;
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return std::min(TOTAL_CODE_SIZE - far_code_offset, FAR_CODE_OFFSET - near_code_offset);
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return std::min(current_near_ptr - reinterpret_cast<const u8*>(far_code_begin), current_far_ptr - &top_[maxSize_]);
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}
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void BlockOfCode::RunCode(void* jit_state, CodePtr code_ptr) const {
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@ -31,7 +31,7 @@ struct RunCodeCallbacks {
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class BlockOfCode final : public Xbyak::CodeGenerator {
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public:
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BlockOfCode(RunCodeCallbacks cb, JitStateInfo jsi, std::function<void(BlockOfCode&)> rcp);
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BlockOfCode(RunCodeCallbacks cb, JitStateInfo jsi, size_t total_code_size, size_t far_code_offset, std::function<void(BlockOfCode&)> rcp);
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BlockOfCode(const BlockOfCode&) = delete;
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/// Call when external emitters have finished emitting their preludes.
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@ -164,10 +164,11 @@ public:
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private:
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RunCodeCallbacks cb;
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JitStateInfo jsi;
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size_t far_code_offset;
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bool prelude_complete = false;
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CodePtr near_code_begin;
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CodePtr far_code_begin;
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CodePtr near_code_begin = nullptr;
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CodePtr far_code_begin = nullptr;
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ConstantPool constant_pool;
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@ -137,6 +137,10 @@ std::shared_ptr<Dynarmic::A32::Jit> ARM_Dynarmic_32::MakeJit(Common::PageTable*
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// Timing
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config.wall_clock_cntpct = uses_wall_clock;
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// Code cache size
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config.code_cache_size = 512 * 1024 * 1024;
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config.far_code_offset = 256 * 1024 * 1024;
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// Safe optimizations
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if (Settings::values.cpu_accuracy == Settings::CPUAccuracy::DebugMode) {
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if (!Settings::values.cpuopt_page_tables) {
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@ -177,6 +177,10 @@ std::shared_ptr<Dynarmic::A64::Jit> ARM_Dynarmic_64::MakeJit(Common::PageTable*
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// Timing
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config.wall_clock_cntpct = uses_wall_clock;
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// Code cache size
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config.code_cache_size = 512 * 1024 * 1024;
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config.far_code_offset = 256 * 1024 * 1024;
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// Safe optimizations
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if (Settings::values.cpu_accuracy == Settings::CPUAccuracy::DebugMode) {
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if (!Settings::values.cpuopt_page_tables) {
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