Merge pull request #193 from N00byKing/3184_2_robotic_boogaloo

Implement Pull #3184 from citra: core/arm: Improve timing accuracy before service calls in JIT (Rebased)

2 files changed, 12 insertions, 1 deletions

diff --git a/src/core/arm/unicorn/arm_unicorn.cpp b/src/core/arm/unicorn/arm_unicorn.cpp
index 162c766fd..bd98cb160 100644
--- a/src/core/arm/unicorn/arm_unicorn.cpp
+++ b/src/core/arm/unicorn/arm_unicorn.cpp
@@ -2,6 +2,7 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include <algorithm>
 #include <unicorn/arm64.h>
 #include "common/assert.h"
 #include "common/microprofile.h"
@@ -153,6 +154,14 @@ void ARM_Unicorn::SetTlsAddress(VAddr base) {
     CHECKED(uc_reg_write(uc, UC_ARM64_REG_TPIDRRO_EL0, &base));
 }
 
+void ARM_Unicorn::Run() {
+    ExecuteInstructions(std::max(CoreTiming::GetDowncount(), 0));
+}
+
+void ARM_Unicorn::Step() {
+    ExecuteInstructions(1);
+}
+
 MICROPROFILE_DEFINE(ARM_Jit, "ARM JIT", "ARM JIT", MP_RGB(255, 64, 64));
 
 void ARM_Unicorn::ExecuteInstructions(int num_instructions) {
diff --git a/src/core/arm/unicorn/arm_unicorn.h b/src/core/arm/unicorn/arm_unicorn.h
index 00b5b1865..b99b58e4c 100644
--- a/src/core/arm/unicorn/arm_unicorn.h
+++ b/src/core/arm/unicorn/arm_unicorn.h
@@ -30,7 +30,9 @@ public:
     void SaveContext(ThreadContext& ctx) override;
     void LoadContext(const ThreadContext& ctx) override;
     void PrepareReschedule() override;
-    void ExecuteInstructions(int num_instructions) override;
+    void ExecuteInstructions(int num_instructions);
+    void Run() override;
+    void Step() override;
     void ClearInstructionCache() override;
     void PageTableChanged() override{};