diff options
Diffstat (limited to '')
| -rw-r--r-- | src/core/arm/dynarmic/arm_dynarmic_32.cpp | 153 |
1 files changed, 93 insertions, 60 deletions
diff --git a/src/core/arm/dynarmic/arm_dynarmic_32.cpp b/src/core/arm/dynarmic/arm_dynarmic_32.cpp index 286976623..60e9edff2 100644 --- a/src/core/arm/dynarmic/arm_dynarmic_32.cpp +++ b/src/core/arm/dynarmic/arm_dynarmic_32.cpp @@ -1,6 +1,5 @@ -// Copyright 2020 yuzu emulator team -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. +// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project +// SPDX-License-Identifier: GPL-2.0-or-later #include <cinttypes> #include <memory> @@ -25,6 +24,9 @@ namespace Core { using namespace Common::Literals; +constexpr Dynarmic::HaltReason break_loop = Dynarmic::HaltReason::UserDefined2; +constexpr Dynarmic::HaltReason svc_call = Dynarmic::HaltReason::UserDefined3; + class DynarmicCallbacks32 : public Dynarmic::A32::UserCallbacks { public: explicit DynarmicCallbacks32(ARM_Dynarmic_32& parent_) @@ -70,11 +72,13 @@ public: } void InterpreterFallback(u32 pc, std::size_t num_instructions) override { + parent.LogBacktrace(); UNIMPLEMENTED_MSG("This should never happen, pc = {:08X}, code = {:08X}", pc, MemoryReadCode(pc)); } void ExceptionRaised(u32 pc, Dynarmic::A32::Exception exception) override { + parent.LogBacktrace(); LOG_CRITICAL(Core_ARM, "ExceptionRaised(exception = {}, pc = {:08X}, code = {:08X}, thumb = {})", exception, pc, MemoryReadCode(pc), parent.IsInThumbMode()); @@ -82,15 +86,13 @@ public: } void CallSVC(u32 swi) override { - parent.svc_called = true; parent.svc_swi = swi; - parent.jit->HaltExecution(); + parent.jit.load()->HaltExecution(svc_call); } void AddTicks(u64 ticks) override { - if (parent.uses_wall_clock) { - return; - } + ASSERT_MSG(!parent.uses_wall_clock, "This should never happen - dynarmic ticking disabled"); + // Divide the number of ticks by the amount of CPU cores. TODO(Subv): This yields only a // rough approximation of the amount of executed ticks in the system, it may be thrown off // if not all cores are doing a similar amount of work. Instead of doing this, we should @@ -106,12 +108,8 @@ public: } u64 GetTicksRemaining() override { - if (parent.uses_wall_clock) { - if (!parent.interrupt_handlers[parent.core_index].IsInterrupted()) { - return minimum_run_cycles; - } - return 0U; - } + ASSERT_MSG(!parent.uses_wall_clock, "This should never happen - dynarmic ticking disabled"); + return std::max<s64>(parent.system.CoreTiming().GetDowncount(), 0); } @@ -146,11 +144,19 @@ std::shared_ptr<Dynarmic::A32::Jit> ARM_Dynarmic_32::MakeJit(Common::PageTable* // Timing config.wall_clock_cntpct = uses_wall_clock; + config.enable_cycle_counting = !uses_wall_clock; // Code cache size config.code_cache_size = 512_MiB; config.far_code_offset = 400_MiB; + // null_jit + if (!page_table) { + // Don't waste too much memory on null_jit + config.code_cache_size = 8_MiB; + config.far_code_offset = 4_MiB; + } + // Safe optimizations if (Settings::values.cpu_debug_mode) { if (!Settings::values.cpuopt_page_tables) { @@ -186,35 +192,41 @@ std::shared_ptr<Dynarmic::A32::Jit> ARM_Dynarmic_32::MakeJit(Common::PageTable* if (!Settings::values.cpuopt_recompile_exclusives) { config.recompile_on_exclusive_fastmem_failure = false; } - } + } else { + // Unsafe optimizations + if (Settings::values.cpu_accuracy.GetValue() == Settings::CPUAccuracy::Unsafe) { + config.unsafe_optimizations = true; + if (Settings::values.cpuopt_unsafe_unfuse_fma) { + config.optimizations |= Dynarmic::OptimizationFlag::Unsafe_UnfuseFMA; + } + if (Settings::values.cpuopt_unsafe_reduce_fp_error) { + config.optimizations |= Dynarmic::OptimizationFlag::Unsafe_ReducedErrorFP; + } + if (Settings::values.cpuopt_unsafe_ignore_standard_fpcr) { + config.optimizations |= Dynarmic::OptimizationFlag::Unsafe_IgnoreStandardFPCRValue; + } + if (Settings::values.cpuopt_unsafe_inaccurate_nan) { + config.optimizations |= Dynarmic::OptimizationFlag::Unsafe_InaccurateNaN; + } + if (Settings::values.cpuopt_unsafe_ignore_global_monitor) { + config.optimizations |= Dynarmic::OptimizationFlag::Unsafe_IgnoreGlobalMonitor; + } + } - // Unsafe optimizations - if (Settings::values.cpu_accuracy.GetValue() == Settings::CPUAccuracy::Unsafe) { - config.unsafe_optimizations = true; - if (Settings::values.cpuopt_unsafe_unfuse_fma) { + // Curated optimizations + if (Settings::values.cpu_accuracy.GetValue() == Settings::CPUAccuracy::Auto) { + config.unsafe_optimizations = true; config.optimizations |= Dynarmic::OptimizationFlag::Unsafe_UnfuseFMA; - } - if (Settings::values.cpuopt_unsafe_reduce_fp_error) { - config.optimizations |= Dynarmic::OptimizationFlag::Unsafe_ReducedErrorFP; - } - if (Settings::values.cpuopt_unsafe_ignore_standard_fpcr) { config.optimizations |= Dynarmic::OptimizationFlag::Unsafe_IgnoreStandardFPCRValue; - } - if (Settings::values.cpuopt_unsafe_inaccurate_nan) { config.optimizations |= Dynarmic::OptimizationFlag::Unsafe_InaccurateNaN; - } - if (Settings::values.cpuopt_unsafe_ignore_global_monitor) { config.optimizations |= Dynarmic::OptimizationFlag::Unsafe_IgnoreGlobalMonitor; } - } - // Curated optimizations - if (Settings::values.cpu_accuracy.GetValue() == Settings::CPUAccuracy::Auto) { - config.unsafe_optimizations = true; - config.optimizations |= Dynarmic::OptimizationFlag::Unsafe_UnfuseFMA; - config.optimizations |= Dynarmic::OptimizationFlag::Unsafe_IgnoreStandardFPCRValue; - config.optimizations |= Dynarmic::OptimizationFlag::Unsafe_InaccurateNaN; - config.optimizations |= Dynarmic::OptimizationFlag::Unsafe_IgnoreGlobalMonitor; + // Paranoia mode for debugging optimizations + if (Settings::values.cpu_accuracy.GetValue() == Settings::CPUAccuracy::Paranoid) { + config.unsafe_optimizations = false; + config.optimizations = Dynarmic::no_optimizations; + } } return std::make_unique<Dynarmic::A32::Jit>(config); @@ -222,20 +234,18 @@ std::shared_ptr<Dynarmic::A32::Jit> ARM_Dynarmic_32::MakeJit(Common::PageTable* void ARM_Dynarmic_32::Run() { while (true) { - jit->Run(); - if (!svc_called) { - break; + const auto hr = jit.load()->Run(); + if (Has(hr, svc_call)) { + Kernel::Svc::Call(system, svc_swi); } - svc_called = false; - Kernel::Svc::Call(system, svc_swi); - if (shutdown) { + if (Has(hr, break_loop) || !uses_wall_clock) { break; } } } void ARM_Dynarmic_32::Step() { - jit->Step(); + jit.load()->Step(); } ARM_Dynarmic_32::ARM_Dynarmic_32(System& system_, CPUInterrupts& interrupt_handlers_, @@ -245,24 +255,28 @@ ARM_Dynarmic_32::ARM_Dynarmic_32(System& system_, CPUInterrupts& interrupt_handl cb(std::make_unique<DynarmicCallbacks32>(*this)), cp15(std::make_shared<DynarmicCP15>(*this)), core_index{core_index_}, exclusive_monitor{dynamic_cast<DynarmicExclusiveMonitor&>(exclusive_monitor_)}, - jit(MakeJit(nullptr)) {} + null_jit{MakeJit(nullptr)}, jit{null_jit.get()} {} ARM_Dynarmic_32::~ARM_Dynarmic_32() = default; void ARM_Dynarmic_32::SetPC(u64 pc) { - jit->Regs()[15] = static_cast<u32>(pc); + jit.load()->Regs()[15] = static_cast<u32>(pc); } u64 ARM_Dynarmic_32::GetPC() const { - return jit->Regs()[15]; + return jit.load()->Regs()[15]; +} + +u64 ARM_Dynarmic_32::GetSP() const { + return jit.load()->Regs()[13]; } u64 ARM_Dynarmic_32::GetReg(int index) const { - return jit->Regs()[index]; + return jit.load()->Regs()[index]; } void ARM_Dynarmic_32::SetReg(int index, u64 value) { - jit->Regs()[index] = static_cast<u32>(value); + jit.load()->Regs()[index] = static_cast<u32>(value); } u128 ARM_Dynarmic_32::GetVectorReg(int index) const { @@ -272,11 +286,11 @@ u128 ARM_Dynarmic_32::GetVectorReg(int index) const { void ARM_Dynarmic_32::SetVectorReg(int index, u128 value) {} u32 ARM_Dynarmic_32::GetPSTATE() const { - return jit->Cpsr(); + return jit.load()->Cpsr(); } void ARM_Dynarmic_32::SetPSTATE(u32 cpsr) { - jit->SetCpsr(cpsr); + jit.load()->SetCpsr(cpsr); } u64 ARM_Dynarmic_32::GetTlsAddress() const { @@ -297,7 +311,7 @@ void ARM_Dynarmic_32::SetTPIDR_EL0(u64 value) { void ARM_Dynarmic_32::SaveContext(ThreadContext32& ctx) { Dynarmic::A32::Context context; - jit->SaveContext(context); + jit.load()->SaveContext(context); ctx.cpu_registers = context.Regs(); ctx.extension_registers = context.ExtRegs(); ctx.cpsr = context.Cpsr(); @@ -310,24 +324,27 @@ void ARM_Dynarmic_32::LoadContext(const ThreadContext32& ctx) { context.ExtRegs() = ctx.extension_registers; context.SetCpsr(ctx.cpsr); context.SetFpscr(ctx.fpscr); - jit->LoadContext(context); + jit.load()->LoadContext(context); } void ARM_Dynarmic_32::PrepareReschedule() { - jit->HaltExecution(); - shutdown = true; + jit.load()->HaltExecution(break_loop); +} + +void ARM_Dynarmic_32::SignalInterrupt() { + jit.load()->HaltExecution(break_loop); } void ARM_Dynarmic_32::ClearInstructionCache() { - jit->ClearCache(); + jit.load()->ClearCache(); } void ARM_Dynarmic_32::InvalidateCacheRange(VAddr addr, std::size_t size) { - jit->InvalidateCacheRange(static_cast<u32>(addr), size); + jit.load()->InvalidateCacheRange(static_cast<u32>(addr), size); } void ARM_Dynarmic_32::ClearExclusiveState() { - jit->ClearExclusiveState(); + jit.load()->ClearExclusiveState(); } void ARM_Dynarmic_32::PageTableChanged(Common::PageTable& page_table, @@ -338,13 +355,29 @@ void ARM_Dynarmic_32::PageTableChanged(Common::PageTable& page_table, auto key = std::make_pair(&page_table, new_address_space_size_in_bits); auto iter = jit_cache.find(key); if (iter != jit_cache.end()) { - jit = iter->second; + jit.store(iter->second.get()); LoadContext(ctx); return; } - jit = MakeJit(&page_table); + std::shared_ptr new_jit = MakeJit(&page_table); + jit.store(new_jit.get()); LoadContext(ctx); - jit_cache.emplace(key, jit); + jit_cache.emplace(key, std::move(new_jit)); +} + +std::vector<ARM_Interface::BacktraceEntry> ARM_Dynarmic_32::GetBacktrace(Core::System& system, + u64 sp, u64 lr) { + // No way to get accurate stack traces in A32 yet + return {}; +} + +std::vector<ARM_Interface::BacktraceEntry> ARM_Dynarmic_32::GetBacktraceFromContext( + System& system, const ThreadContext32& ctx) { + return GetBacktrace(system, ctx.cpu_registers[13], ctx.cpu_registers[14]); +} + +std::vector<ARM_Interface::BacktraceEntry> ARM_Dynarmic_32::GetBacktrace() const { + return GetBacktrace(system, GetReg(13), GetReg(14)); } } // namespace Core |