[CFG] Add GetSystemModel

include/services/cfg.hpp

@@ -16,6 +16,7 @@ class CFGService {
 	// Service functions
 	void getConfigInfoBlk2(u32 messagePointer);
 	void getRegionCanadaUSA(u32 messagePointer);
+	void getSystemModel(u32 messagePointer);
 	void genUniqueConsoleHash(u32 messagePointer);
 	void secureInfoGetRegion(u32 messagePointer);
 

include/system_models.hpp

@@ -0,0 +1,23 @@
+#pragma once
+#include <cstdint>
+
+// Codes for every 3DS system model
+// The 3-letter codes are codenames used by the ACT service, and can also be found on the hardware itself
+// This info can be retrieved in a variety of ways, usually through CFG::GetSystemModel
+namespace SystemModel {
+	enum : std::uint32_t {
+		Nintendo3DS = 0,
+		Nintendo3DS_XL = 1,
+		NewNintendo3DS = 2,
+		Nintendo2DS = 3,
+		NewNintendo3DS_XL = 4,
+		NewNintendo2DS_XL = 5,
+
+		CTR = Nintendo3DS,
+		SPR = Nintendo3DS_XL,
+		KTR = NewNintendo3DS,
+		FTR = Nintendo2DS,
+		RED = NewNintendo3DS_XL,
+		JAN = NewNintendo2DS_XL
+	};
+}