generalize machine ops

src/base/base_core.h

@@ -678,6 +678,29 @@ union Guid
 };
 StaticAssert(sizeof(Guid) == 16, g_guid_size_check);
 
+////////////////////////////////
+//~ Machine Ops
+
+typedef enum MachineOpResult
+{
+  MachineOpResult_Null,
+  MachineOpResult_Ok,
+  MachineOpResult_Fail,
+  MachineOpResult_Maybe,
+} MachineOpResult;
+
+#define MACHINE_OP_REG_READ(name) MachineOpResult name(U64 reg_id, void *buffer, U64 buffer_max, void *ud)
+typedef MACHINE_OP_REG_READ(MachineOp_RegRead);
+
+#define MACHINE_OP_REG_WRITE(name) MachineOpResult name(U64 reg_id, void *value, U64 value_size, void *ud)
+typedef MACHINE_OP_REG_WRITE(MachineOp_RegWrite);
+
+#define MACHINE_OP_MEM_READ(name) MachineOpResult name(U64 addr, void *buffer, U64 buffer_size, void *ud)
+typedef MACHINE_OP_MEM_READ(MachineOp_MemRead);
+
+#define MACHINE_OP_MEM_WRITE(name) MachineOpResult name(U64 addr, void *value, U64 value_size, void *ud)
+typedef MACHINE_OP_MEM_WRITE(MachineOp_MemWrite);
+
 ////////////////////////////////
 //~ rjf: Basic Constants