1 files changed, 88 insertions, 0 deletions
diff --git a/src/core/arm/dynarmic/arm_dynarmic_cp15.cpp b/src/core/arm/dynarmic/arm_dynarmic_cp15.cpp
new file mode 100644
index 000000000..b1fdce096
--- /dev/null
+++ b/src/core/arm/dynarmic/arm_dynarmic_cp15.cpp
@@ -0,0 +1,88 @@
+// Copyright 2017 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "core/arm/dynarmic/arm_dynarmic_cp15.h"
+#include "core/arm/skyeye_common/arm_regformat.h"
+#include "core/arm/skyeye_common/armstate.h"
+
+using Callback = Dynarmic::Coprocessor::Callback;
+using CallbackOrAccessOneWord = Dynarmic::Coprocessor::CallbackOrAccessOneWord;
+using CallbackOrAccessTwoWords = Dynarmic::Coprocessor::CallbackOrAccessTwoWords;
+
+DynarmicCP15::DynarmicCP15(const std::shared_ptr<ARMul_State>& state) : interpreter_state(state) {}
+
+DynarmicCP15::~DynarmicCP15() = default;
+
+boost::optional<Callback> DynarmicCP15::CompileInternalOperation(bool two, unsigned opc1,
+                                                                 CoprocReg CRd, CoprocReg CRn,
+                                                                 CoprocReg CRm, unsigned opc2) {
+    return boost::none;
+}
+
+CallbackOrAccessOneWord DynarmicCP15::CompileSendOneWord(bool two, unsigned opc1, CoprocReg CRn,
+                                                         CoprocReg CRm, unsigned opc2) {
+    // TODO(merry): Privileged CP15 registers
+
+    if (!two && CRn == CoprocReg::C7 && opc1 == 0 && CRm == CoprocReg::C5 && opc2 == 4) {
+        // This is a dummy write, we ignore the value written here.
+        return &interpreter_state->CP15[CP15_FLUSH_PREFETCH_BUFFER];
+    }
+
+    if (!two && CRn == CoprocReg::C7 && opc1 == 0 && CRm == CoprocReg::C10) {
+        switch (opc2) {
+        case 4:
+            // This is a dummy write, we ignore the value written here.
+            return &interpreter_state->CP15[CP15_DATA_SYNC_BARRIER];
+        case 5:
+            // This is a dummy write, we ignore the value written here.
+            return &interpreter_state->CP15[CP15_DATA_MEMORY_BARRIER];
+        default:
+            return boost::blank{};
+        }
+    }
+
+    if (!two && CRn == CoprocReg::C13 && opc1 == 0 && CRm == CoprocReg::C0 && opc2 == 2) {
+        return &interpreter_state->CP15[CP15_THREAD_UPRW];
+    }
+
+    return boost::blank{};
+}
+
+CallbackOrAccessTwoWords DynarmicCP15::CompileSendTwoWords(bool two, unsigned opc, CoprocReg CRm) {
+    return boost::blank{};
+}
+
+CallbackOrAccessOneWord DynarmicCP15::CompileGetOneWord(bool two, unsigned opc1, CoprocReg CRn,
+                                                        CoprocReg CRm, unsigned opc2) {
+    // TODO(merry): Privileged CP15 registers
+
+    if (!two && CRn == CoprocReg::C13 && opc1 == 0 && CRm == CoprocReg::C0) {
+        switch (opc2) {
+        case 2:
+            return &interpreter_state->CP15[CP15_THREAD_UPRW];
+        case 3:
+            return &interpreter_state->CP15[CP15_THREAD_URO];
+        default:
+            return boost::blank{};
+        }
+    }
+
+    return boost::blank{};
+}
+
+CallbackOrAccessTwoWords DynarmicCP15::CompileGetTwoWords(bool two, unsigned opc, CoprocReg CRm) {
+    return boost::blank{};
+}
+
+boost::optional<Callback> DynarmicCP15::CompileLoadWords(bool two, bool long_transfer,
+                                                         CoprocReg CRd,
+                                                         boost::optional<u8> option) {
+    return boost::none;
+}
+
+boost::optional<Callback> DynarmicCP15::CompileStoreWords(bool two, bool long_transfer,
+                                                          CoprocReg CRd,
+                                                          boost::optional<u8> option) {
+    return boost::none;
+}