emummc: add GetSocType/GetHardwareType utils

emummc/source/nx/smc.c

@@ -59,6 +59,35 @@ Result smcGetConfig(SplConfigItem config_item, u64 *out_config)
     return rc;
 }
 
+SplHardwareType splGetHardwareType(void)
+{
+    u64 value;
+    Result rc = smcGetConfig(SplConfigItem_HardwareType, &value);
+    if (rc != 0)
+    {
+        fatal_abort(Fatal_BadResult);
+    }
+    return (SplHardwareType)value;
+}
+
+SplSocType splGetSocType(void)
+{
+    switch (splGetHardwareType())
+    {
+        case SplHardwareType_Icosa:
+        case SplHardwareType_Copper:
+            return SplSocType_Erista;
+        case SplHardwareType_Hoag:
+        case SplHardwareType_Iowa:
+        case SplHardwareType_Calcio:
+        case SplHardwareType_Five:
+            return SplSocType_Mariko;
+        default:
+            fatal_abort(Fatal_InvalidEnum);
+    }
+}
+
+
 Result smcCopyToIram(uintptr_t iram_addr, const void *src_addr, u32 size)
 {
     SecmonArgs args;

emummc/source/nx/smc.h

@@ -37,6 +37,20 @@ typedef enum {
     SplConfigItem_HasRcmBugPatch   = 65004,
 } SplConfigItem;
 
+typedef enum {
+    SplSocType_Erista = 0,
+    SplSocType_Mariko = 1,
+} SplSocType;
+
+typedef enum {
+    SplHardwareType_Icosa = 0,
+    SplHardwareType_Copper = 1,
+    SplHardwareType_Hoag = 2,
+    SplHardwareType_Iowa = 3,
+    SplHardwareType_Calcio = 4,
+    SplHardwareType_Five = 5,
+} SplHardwareType;
+
 typedef enum {
    EXO_EMUMMC_TYPE_NONE = 0,
    EXO_EMUMMC_TYPE_PARTITION = 1,
@@ -69,6 +83,9 @@ typedef struct {
 
 Result smcGetConfig(SplConfigItem config_item, u64 *out_config);
 
+SplHardwareType splGetHardwareType(void);
+SplSocType splGetSocType(void);
+
 void smcRebootToRcm(void);
 void smcRebootToIramPayload(void);
 void smcPerformShutdown(void);

emummc/source/utils/fatal.h

@@ -35,6 +35,7 @@ enum FatalReason
     Fatal_FatfsMount,
     Fatal_FatfsFileOpen,
     Fatal_FatfsMemExhaustion,
+    Fatal_InvalidEnum,
     Fatal_Max
 };