core: hle: kernel: Handle exceptions outside of dynarmic.

src/core/arm/arm_interface.cpp

@@ -134,6 +134,13 @@ void ARM_Interface::Run() {
         }
         system.ExitDynarmicProfile();
 
+        // Exception occurred, pass on to kernel to handle it.
+        if (exception_context != std::nullopt) {
+            const auto exception_context_ = *exception_context;
+            exception_context.reset();
+            Kernel::Arch::Arm64::HandleException(system.Kernel(), exception_context_);
+        }
+
         // 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)) {

src/core/arm/arm_interface.h

@@ -6,12 +6,14 @@
 #include <array>
 #include <span>
 #include <vector>
+#include <optional>
 
 #include <dynarmic/interface/halt_reason.h>
 
 #include "common/common_funcs.h"
 #include "common/common_types.h"
 #include "core/hardware_properties.h"
+#include "core/hle/kernel/arch/arm64/exception_handlers.h"
 
 namespace Common {
 struct PageTable;
@@ -210,6 +212,7 @@ protected:
     System& system;
     const WatchpointArray* watchpoints;
     bool uses_wall_clock;
+    std::optional<Kernel::Arch::Arm64::KExceptionContext> exception_context;
 
     static void SymbolicateBacktrace(Core::System& system, std::vector<BacktraceEntry>& out);
     const Kernel::DebugWatchpoint* MatchingWatchpoint(

src/core/arm/dynarmic/arm_dynarmic_32.cpp

@@ -17,7 +17,6 @@
 #include "core/core.h"
 #include "core/core_timing.h"
 #include "core/debugger/debugger.h"
-#include "core/hle/kernel/arch/arm64/exception_handlers.h"
 #include "core/hle/kernel/k_process.h"
 #include "core/hle/kernel/svc.h"
 #include "core/memory.h"
@@ -130,8 +129,8 @@ public:
         exception_context.psr = thread_context.cpsr;
         exception_context.tpidr = thread_context.tpidr;
 
-        // Kernel to handle exception
+        // Kernel to handle exception on exit
-        Kernel::Arch::Arm64::HandleException(parent.system.Kernel(), exception_context);
+        parent.exception_context = exception_context;
     }
 
     void CallSVC(u32 swi) override {

src/core/arm/dynarmic/arm_dynarmic_64.cpp

@@ -16,7 +16,6 @@
 #include "core/core_timing.h"
 #include "core/debugger/debugger.h"
 #include "core/hardware_properties.h"
-#include "core/hle/kernel/arch/arm64/exception_handlers.h"
 #include "core/hle/kernel/k_process.h"
 #include "core/hle/kernel/svc.h"
 #include "core/memory.h"
@@ -171,8 +170,8 @@ public:
         exception_context.psr = thread_context.pstate;
         exception_context.tpidr = thread_context.tpidr;
 
-        // Kernel to handle exception
+        // Kernel to handle exception on exit
-        Kernel::Arch::Arm64::HandleException(parent.system.Kernel(), exception_context);
+        parent.exception_context = exception_context;
     }
 
     void CallSVC(u32 swi) override {