[CPU] Data cache control instructions

src/xenia/cpu/hir/hir_builder.cc

@@ -1277,12 +1277,12 @@ void HIRBuilder::Memset(Value* address, Value* value, Value* length) {
   i->set_src3(length);
 }
 
-void HIRBuilder::Prefetch(Value* address, size_t length,
-                          uint32_t prefetch_flags) {
+void HIRBuilder::CacheControl(Value* address, size_t cache_line_size,
+                              CacheControlType type) {
   ASSERT_ADDRESS_TYPE(address);
-  Instr* i = AppendInstr(OPCODE_PREFETCH_info, prefetch_flags);
+  Instr* i = AppendInstr(OPCODE_CACHE_CONTROL_info, uint32_t(type));
   i->set_src1(address);
-  i->src2.offset = length;
+  i->src2.offset = cache_line_size;
   i->src3.value = NULL;
 }
 

src/xenia/cpu/hir/hir_builder.h

@@ -157,7 +157,8 @@ class HIRBuilder {
   Value* Load(Value* address, TypeName type, uint32_t load_flags = 0);
   void Store(Value* address, Value* value, uint32_t store_flags = 0);
   void Memset(Value* address, Value* value, Value* length);
-  void Prefetch(Value* address, size_t length, uint32_t prefetch_flags = 0);
+  void CacheControl(Value* address, size_t cache_line_size,
+                    CacheControlType type);
   void MemoryBarrier();
 
   void SetRoundingMode(Value* value);

src/xenia/cpu/hir/opcodes.h

@@ -39,9 +39,11 @@ enum LoadStoreFlags {
   LOAD_STORE_BYTE_SWAP = 1 << 0,
 };
 
-enum PrefetchFlags {
-  PREFETCH_LOAD = (1 << 1),
-  PREFETCH_STORE = (1 << 2),
+enum CacheControlType {
+  CACHE_CONTOROL_TYPE_DATA_TOUCH,
+  CACHE_CONTOROL_TYPE_DATA_TOUCH_FOR_STORE,
+  CACHE_CONTOROL_TYPE_DATA_STORE,
+  CACHE_CONTOROL_TYPE_DATA_STORE_AND_FLUSH,
 };
 
 enum ArithmeticFlags {
@@ -158,7 +160,7 @@ enum Opcode {
   OPCODE_LOAD,
   OPCODE_STORE,
   OPCODE_MEMSET,
-  OPCODE_PREFETCH,
+  OPCODE_CACHE_CONTROL,
   OPCODE_MEMORY_BARRIER,
   OPCODE_MAX,
   OPCODE_VECTOR_MAX,

src/xenia/cpu/hir/opcodes.inl

@@ -262,8 +262,8 @@ DEFINE_OPCODE(
     OPCODE_FLAG_MEMORY)
 
 DEFINE_OPCODE(
-    OPCODE_PREFETCH,
-    "prefetch",
+    OPCODE_CACHE_CONTROL,
+    "cache_control",
     OPCODE_SIG_X_V_O,
     OPCODE_FLAG_MEMORY)