diff --git a/src/common/settings.h b/src/common/settings.h index 00e4421f7..c29d6f98b 100644 --- a/src/common/settings.h +++ b/src/common/settings.h @@ -399,6 +399,7 @@ struct Values { Setting cpuopt_fastmem{true, "cpuopt_fastmem"}; Setting cpuopt_fastmem_exclusives{true, "cpuopt_fastmem_exclusives"}; Setting cpuopt_recompile_exclusives{true, "cpuopt_recompile_exclusives"}; + Setting cpuopt_ignore_memory_aborts{true, "cpuopt_ignore_memory_aborts"}; SwitchableSetting cpuopt_unsafe_unfuse_fma{true, "cpuopt_unsafe_unfuse_fma"}; SwitchableSetting cpuopt_unsafe_reduce_fp_error{true, "cpuopt_unsafe_reduce_fp_error"}; diff --git a/src/core/arm/arm_interface.cpp b/src/core/arm/arm_interface.cpp index 29ba562dc..2df7b0ee8 100644 --- a/src/core/arm/arm_interface.cpp +++ b/src/core/arm/arm_interface.cpp @@ -145,11 +145,15 @@ void ARM_Interface::Run() { // Notify the debugger and go to sleep if a breakpoint was hit, // or if the thread is unable to continue for any reason. if (Has(hr, breakpoint) || Has(hr, no_execute)) { - RewindBreakpointInstruction(); + if (!Has(hr, no_execute)) { + RewindBreakpointInstruction(); + } if (system.DebuggerEnabled()) { system.GetDebugger().NotifyThreadStopped(current_thread); + } else { + LogBacktrace(); } - current_thread->RequestSuspend(Kernel::SuspendType::Debug); + current_thread->RequestSuspend(SuspendType::Debug); break; } diff --git a/src/core/arm/dynarmic/arm_dynarmic_32.cpp b/src/core/arm/dynarmic/arm_dynarmic_32.cpp index 227e06ea1..947747d36 100644 --- a/src/core/arm/dynarmic/arm_dynarmic_32.cpp +++ b/src/core/arm/dynarmic/arm_dynarmic_32.cpp @@ -29,7 +29,9 @@ class DynarmicCallbacks32 : public Dynarmic::A32::UserCallbacks { public: explicit DynarmicCallbacks32(ARM_Dynarmic_32& parent_) : parent{parent_}, - memory(parent.system.Memory()), debugger_enabled{parent.system.DebuggerEnabled()} {} + memory(parent.system.Memory()), debugger_enabled{parent.system.DebuggerEnabled()}, + check_memory_access{debugger_enabled || + !Settings::values.cpuopt_ignore_memory_aborts.GetValue()} {} u8 MemoryRead8(u32 vaddr) override { CheckMemoryAccess(vaddr, 1, Kernel::DebugWatchpointType::Read); @@ -154,6 +156,17 @@ public: } bool CheckMemoryAccess(VAddr addr, u64 size, Kernel::DebugWatchpointType type) { + if (!check_memory_access) { + return true; + } + + if (!memory.IsValidVirtualAddressRange(addr, size)) { + LOG_CRITICAL(Core_ARM, "Stopping execution due to unmapped memory access at {:#x}", + addr); + parent.jit.load()->HaltExecution(ARM_Interface::no_execute); + return false; + } + if (!debugger_enabled) { return true; } @@ -181,7 +194,8 @@ public: ARM_Dynarmic_32& parent; Core::Memory::Memory& memory; std::size_t num_interpreted_instructions{}; - bool debugger_enabled{}; + const bool debugger_enabled{}; + const bool check_memory_access{}; static constexpr u64 minimum_run_cycles = 10000U; }; @@ -264,6 +278,9 @@ std::shared_ptr ARM_Dynarmic_32::MakeJit(Common::PageTable* if (!Settings::values.cpuopt_recompile_exclusives) { config.recompile_on_exclusive_fastmem_failure = false; } + if (!Settings::values.cpuopt_ignore_memory_aborts) { + config.check_halt_on_memory_access = true; + } } else { // Unsafe optimizations if (Settings::values.cpu_accuracy.GetValue() == Settings::CPUAccuracy::Unsafe) { diff --git a/src/core/arm/dynarmic/arm_dynarmic_64.cpp b/src/core/arm/dynarmic/arm_dynarmic_64.cpp index cb53d64ba..3df943df7 100644 --- a/src/core/arm/dynarmic/arm_dynarmic_64.cpp +++ b/src/core/arm/dynarmic/arm_dynarmic_64.cpp @@ -29,7 +29,9 @@ class DynarmicCallbacks64 : public Dynarmic::A64::UserCallbacks { public: explicit DynarmicCallbacks64(ARM_Dynarmic_64& parent_) : parent{parent_}, - memory(parent.system.Memory()), debugger_enabled{parent.system.DebuggerEnabled()} {} + memory(parent.system.Memory()), debugger_enabled{parent.system.DebuggerEnabled()}, + check_memory_access{debugger_enabled || + !Settings::values.cpuopt_ignore_memory_aborts.GetValue()} {} u8 MemoryRead8(u64 vaddr) override { CheckMemoryAccess(vaddr, 1, Kernel::DebugWatchpointType::Read); @@ -198,6 +200,17 @@ public: } bool CheckMemoryAccess(VAddr addr, u64 size, Kernel::DebugWatchpointType type) { + if (!check_memory_access) { + return true; + } + + if (!memory.IsValidVirtualAddressRange(addr, size)) { + LOG_CRITICAL(Core_ARM, "Stopping execution due to unmapped memory access at {:#x}", + addr); + parent.jit.load()->HaltExecution(ARM_Interface::no_execute); + return false; + } + if (!debugger_enabled) { return true; } @@ -226,7 +239,8 @@ public: Core::Memory::Memory& memory; u64 tpidrro_el0 = 0; u64 tpidr_el0 = 0; - bool debugger_enabled{}; + const bool debugger_enabled{}; + const bool check_memory_access{}; static constexpr u64 minimum_run_cycles = 10000U; }; @@ -323,6 +337,9 @@ std::shared_ptr ARM_Dynarmic_64::MakeJit(Common::PageTable* if (!Settings::values.cpuopt_recompile_exclusives) { config.recompile_on_exclusive_fastmem_failure = false; } + if (!Settings::values.cpuopt_ignore_memory_aborts) { + config.check_halt_on_memory_access = true; + } } else { // Unsafe optimizations if (Settings::values.cpu_accuracy.GetValue() == Settings::CPUAccuracy::Unsafe) { diff --git a/src/yuzu/configuration/config.cpp b/src/yuzu/configuration/config.cpp index 0c93df428..750285478 100644 --- a/src/yuzu/configuration/config.cpp +++ b/src/yuzu/configuration/config.cpp @@ -658,6 +658,7 @@ void Config::ReadCpuValues() { ReadBasicSetting(Settings::values.cpuopt_fastmem); ReadBasicSetting(Settings::values.cpuopt_fastmem_exclusives); ReadBasicSetting(Settings::values.cpuopt_recompile_exclusives); + ReadBasicSetting(Settings::values.cpuopt_ignore_memory_aborts); } qt_config->endGroup(); @@ -1257,6 +1258,7 @@ void Config::SaveCpuValues() { WriteBasicSetting(Settings::values.cpuopt_fastmem); WriteBasicSetting(Settings::values.cpuopt_fastmem_exclusives); WriteBasicSetting(Settings::values.cpuopt_recompile_exclusives); + WriteBasicSetting(Settings::values.cpuopt_ignore_memory_aborts); } qt_config->endGroup(); diff --git a/src/yuzu/configuration/configure_cpu_debug.cpp b/src/yuzu/configuration/configure_cpu_debug.cpp index 3c302ec16..8cfef0cc1 100644 --- a/src/yuzu/configuration/configure_cpu_debug.cpp +++ b/src/yuzu/configuration/configure_cpu_debug.cpp @@ -45,6 +45,9 @@ void ConfigureCpuDebug::SetConfiguration() { ui->cpuopt_recompile_exclusives->setEnabled(runtime_lock); ui->cpuopt_recompile_exclusives->setChecked( Settings::values.cpuopt_recompile_exclusives.GetValue()); + ui->cpuopt_ignore_memory_aborts->setEnabled(runtime_lock); + ui->cpuopt_ignore_memory_aborts->setChecked( + Settings::values.cpuopt_ignore_memory_aborts.GetValue()); } void ConfigureCpuDebug::ApplyConfiguration() { @@ -59,6 +62,7 @@ void ConfigureCpuDebug::ApplyConfiguration() { Settings::values.cpuopt_fastmem = ui->cpuopt_fastmem->isChecked(); Settings::values.cpuopt_fastmem_exclusives = ui->cpuopt_fastmem_exclusives->isChecked(); Settings::values.cpuopt_recompile_exclusives = ui->cpuopt_recompile_exclusives->isChecked(); + Settings::values.cpuopt_ignore_memory_aborts = ui->cpuopt_ignore_memory_aborts->isChecked(); } void ConfigureCpuDebug::changeEvent(QEvent* event) { diff --git a/src/yuzu/configuration/configure_cpu_debug.ui b/src/yuzu/configuration/configure_cpu_debug.ui index 2bc268810..3010f7fad 100644 --- a/src/yuzu/configuration/configure_cpu_debug.ui +++ b/src/yuzu/configuration/configure_cpu_debug.ui @@ -175,6 +175,19 @@ + + + + + <div style="white-space: nowrap">This optimization speeds up memory accesses by allowing invalid memory accesses to succeed.</div> + <div style="white-space: nowrap">Enabling it reduces the overhead of all memory accesses and has no impact on programs that don't access invalid memory.</div> + + + + Enable fallbacks for invalid memory accesses + + + diff --git a/src/yuzu_cmd/config.cpp b/src/yuzu_cmd/config.cpp index 59f9c8e09..767b0d0e3 100644 --- a/src/yuzu_cmd/config.cpp +++ b/src/yuzu_cmd/config.cpp @@ -286,6 +286,7 @@ void Config::ReadValues() { ReadSetting("Cpu", Settings::values.cpuopt_fastmem); ReadSetting("Cpu", Settings::values.cpuopt_fastmem_exclusives); ReadSetting("Cpu", Settings::values.cpuopt_recompile_exclusives); + ReadSetting("Cpu", Settings::values.cpuopt_ignore_memory_aborts); ReadSetting("Cpu", Settings::values.cpuopt_unsafe_unfuse_fma); ReadSetting("Cpu", Settings::values.cpuopt_unsafe_reduce_fp_error); ReadSetting("Cpu", Settings::values.cpuopt_unsafe_ignore_standard_fpcr); diff --git a/src/yuzu_cmd/default_ini.h b/src/yuzu_cmd/default_ini.h index 5bbc3f532..6fcf04e1b 100644 --- a/src/yuzu_cmd/default_ini.h +++ b/src/yuzu_cmd/default_ini.h @@ -208,6 +208,10 @@ cpuopt_fastmem_exclusives = # 0: Disabled, 1 (default): Enabled cpuopt_recompile_exclusives = +# Enable optimization to ignore invalid memory accesses (faster guest memory access) +# 0: Disabled, 1 (default): Enabled +cpuopt_ignore_memory_aborts = + # Enable unfuse FMA (improve performance on CPUs without FMA) # Only enabled if cpu_accuracy is set to Unsafe. Automatically chosen with cpu_accuracy = Auto-select. # 0: Disabled, 1 (default): Enabled