From 87c49aa7be4b7277f8ae929058633827d339a052 Mon Sep 17 00:00:00 2001
From: Fernando Sahmkow <fsahmkow27@gmail.com>
Date: Fri, 20 Mar 2020 12:36:01 -0400
Subject: SVC/ARM: Correct svcSendSyncRequest and cache ticks on arm interface.

---
 src/core/arm/dynarmic/arm_dynarmic_32.cpp | 11 +++++++++--
 src/core/arm/dynarmic/arm_dynarmic_64.cpp | 12 ++++++++++--
 2 files changed, 19 insertions(+), 4 deletions(-)

(limited to 'src/core/arm')

diff --git a/src/core/arm/dynarmic/arm_dynarmic_32.cpp b/src/core/arm/dynarmic/arm_dynarmic_32.cpp
index 618f02f30..c8a1ce6e7 100644
--- a/src/core/arm/dynarmic/arm_dynarmic_32.cpp
+++ b/src/core/arm/dynarmic/arm_dynarmic_32.cpp
@@ -72,17 +72,23 @@ public:
     }
 
     void AddTicks(u64 ticks) override {
-        /// We are using host timing, NOP
+        this->ticks -= ticks;
     }
+
     u64 GetTicksRemaining() override {
         if (!parent.interrupt_handler.IsInterrupted()) {
-            return 1000ULL;
+            return std::max<s64>(ticks, 0);
         }
         return 0ULL;
     }
 
+    void ResetTicks() {
+        ticks = 1000LL;
+    }
+
     ARM_Dynarmic_32& parent;
     std::size_t num_interpreted_instructions{};
+    s64 ticks{};
 };
 
 std::shared_ptr<Dynarmic::A32::Jit> ARM_Dynarmic_32::MakeJit(Common::PageTable& page_table,
@@ -97,6 +103,7 @@ std::shared_ptr<Dynarmic::A32::Jit> ARM_Dynarmic_32::MakeJit(Common::PageTable&
 }
 
 void ARM_Dynarmic_32::Run() {
+    cb->ResetTicks();
     jit->Run();
 }
 
diff --git a/src/core/arm/dynarmic/arm_dynarmic_64.cpp b/src/core/arm/dynarmic/arm_dynarmic_64.cpp
index 2e664cfa8..547a6e07e 100644
--- a/src/core/arm/dynarmic/arm_dynarmic_64.cpp
+++ b/src/core/arm/dynarmic/arm_dynarmic_64.cpp
@@ -124,22 +124,29 @@ public:
     }
 
     void AddTicks(u64 ticks) override {
-        /// We are using host timing, NOP
+        this->ticks -= ticks;
     }
+
     u64 GetTicksRemaining() override {
         if (!parent.interrupt_handler.IsInterrupted()) {
-            return 1000ULL;
+            return std::max<s64>(ticks, 0);
         }
         return 0ULL;
     }
+
     u64 GetCNTPCT() override {
         return parent.system.CoreTiming().GetClockTicks();
     }
 
+    void ResetTicks() {
+        ticks = 1000LL;
+    }
+
     ARM_Dynarmic_64& parent;
     std::size_t num_interpreted_instructions = 0;
     u64 tpidrro_el0 = 0;
     u64 tpidr_el0 = 0;
+    s64 ticks{};
 };
 
 std::shared_ptr<Dynarmic::A64::Jit> ARM_Dynarmic_64::MakeJit(Common::PageTable& page_table,
@@ -181,6 +188,7 @@ std::shared_ptr<Dynarmic::A64::Jit> ARM_Dynarmic_64::MakeJit(Common::PageTable&
 }
 
 void ARM_Dynarmic_64::Run() {
+    cb->ResetTicks();
     jit->Run();
 }
 
-- 
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