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core: add option to break on unmapped access

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This commit is contained in:
Liam 2022-12-01 22:48:43 -05:00
parent dcc663e1bf
commit 6072b22a0b
9 changed files with 69 additions and 6 deletions
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8
src/core/arm/arm_interface.cpp
View file

@ -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;
}

21
src/core/arm/dynarmic/arm_dynarmic_32.cpp
View file

@ -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<Dynarmic::A32::Jit> 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) {

21
src/core/arm/dynarmic/arm_dynarmic_64.cpp
View file

@ -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<Dynarmic::A64::Jit> 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) {