arm_dynarmic: Only advance core timing on main CPU core.

src/core/arm/dynarmic/arm_dynarmic.cpp

@@ -86,7 +86,9 @@ public:
     }
 
     void AddTicks(u64 ticks) override {
-        CoreTiming::AddTicks(ticks - num_interpreted_instructions);
+        if (parent.IsMainCore()) {
+            CoreTiming::AddTicks(ticks - num_interpreted_instructions);
+        }
         num_interpreted_instructions = 0;
     }
     u64 GetTicksRemaining() override {
@@ -128,8 +130,9 @@ void ARM_Dynarmic::Step() {
     cb->InterpreterFallback(jit->GetPC(), 1);
 }
 
-ARM_Dynarmic::ARM_Dynarmic()
-    : cb(std::make_unique<ARM_Dynarmic_Callbacks>(*this)), jit(MakeJit(cb)) {
+ARM_Dynarmic::ARM_Dynarmic(size_t core_index)
+    : cb(std::make_unique<ARM_Dynarmic_Callbacks>(*this)), jit(MakeJit(cb)),
+      core_index(core_index) {
     ARM_Interface::ThreadContext ctx;
     inner_unicorn.SaveContext(ctx);
     LoadContext(ctx);

src/core/arm/dynarmic/arm_dynarmic.h

@@ -14,7 +14,7 @@ class ARM_Dynarmic_Callbacks;
 
 class ARM_Dynarmic final : public ARM_Interface {
 public:
-    ARM_Dynarmic();
+    ARM_Dynarmic(size_t core_index);
     ~ARM_Dynarmic();
 
     void MapBackingMemory(VAddr address, size_t size, u8* memory,
@@ -46,6 +46,10 @@ public:
     void ClearInstructionCache() override;
     void PageTableChanged() override;
 
+    const bool IsMainCore() const {
+        return core_index == 0;
+    }
+
 private:
     friend class ARM_Dynarmic_Callbacks;
     std::unique_ptr<ARM_Dynarmic_Callbacks> cb;
@@ -53,4 +57,5 @@ private:
     ARM_Unicorn inner_unicorn;
 
     Memory::PageTable* current_page_table = nullptr;
+    size_t core_index;
 };

src/core/core_cpu.cpp

@@ -53,7 +53,7 @@ Cpu::Cpu(std::shared_ptr<CpuBarrier> cpu_barrier, size_t core_index)
 
     if (Settings::values.use_cpu_jit) {
 #ifdef ARCHITECTURE_x86_64
-        arm_interface = std::make_shared<ARM_Dynarmic>();
+        arm_interface = std::make_shared<ARM_Dynarmic>(core_index);
 #else
         cpu_core = std::make_shared<ARM_Unicorn>();
         LOG_WARNING(Core, "CPU JIT requested, but Dynarmic not available");