From 3474faa4a291e9a9dfd0869e7708062691c39cb2 Mon Sep 17 00:00:00 2001
From: Aurora <davidone92@katamail.com>
Date: Sat, 12 Nov 2016 01:49:52 +0100
Subject: [PATCH] Added support for dev units sysupdater FIRM (untested but
 should work)

---
 source/crypto.c |  2 +-
 source/fs.c     |  3 ++-
 source/main.c   | 23 +++++++++++++++++------
 source/types.h  |  1 +
 4 files changed, 21 insertions(+), 8 deletions(-)

diff --git a/source/crypto.c b/source/crypto.c
index ba8f96c..373fbea 100755
--- a/source/crypto.c
+++ b/source/crypto.c
@@ -545,7 +545,7 @@ void computePinHash(u8 *outbuf, const u8 *inbuf)
                                    cipherText[AES_BLOCK_SIZE];
 
     sdmmc_get_cid(1, (u32 *)cid);
-    aes_use_keyslot(4); //Console-unique keyslot whose keys are set by the ARM9 bootROM
+    aes_use_keyslot(0x04); //Console-unique keyslot whose keys are set by the ARM9 bootROM
     aes(cipherText, inbuf, 1, cid, AES_CBC_ENCRYPT_MODE, AES_INPUT_BE | AES_INPUT_NORMAL);
     sha(outbuf, cipherText, sizeof(cipherText), SHA_256_MODE);
 }
diff --git a/source/fs.c b/source/fs.c
index b97b614..e1f8b58 100644
--- a/source/fs.c
+++ b/source/fs.c
@@ -185,7 +185,8 @@ u32 firmRead(void *dest, u32 firmType)
     const char *firmFolders[][2] = {{ "00000002", "20000002" },
                                     { "00000102", "20000102" },
                                     { "00000202", "20000202" },
-                                    { "00000003", "20000003" }};
+                                    { "00000003", "20000003" },
+                                    { "00000001", "20000001" }};
 
     char path[48] = "1:/title/00040138/";
     concatenateStrings(path, firmFolders[firmType][ISN3DS ? 1 : 0]);
diff --git a/source/main.c b/source/main.c
index 92ddd73..8e34806 100644
--- a/source/main.c
+++ b/source/main.c
@@ -62,8 +62,18 @@ void main(void)
     {
         if(needConfig == CREATE_CONFIGURATION) mcuPowerOff();
 
-        //'0' = NATIVE_FIRM, '1' = TWL_FIRM, '2' = AGB_FIRM
-        firmType = launchedFirmTidLow[7] == u'3' ? SAFE_FIRM : (FirmwareType)(launchedFirmTidLow[5] - u'0');
+        switch(launchedFirmTidLow[7])
+        {
+            case u'2':
+                firmType = (FirmwareType)(launchedFirmTidLow[5] - u'0');
+                break;
+            case u'3':
+                firmType = SAFE_FIRM;
+                break;
+            case u'1':
+                firmType = SYSUPDATER_FIRM;
+                break;
+        }
 
         nandType = (FirmwareSource)BOOTCFG_NAND;
         firmSource = (FirmwareSource)BOOTCFG_FIRM;
@@ -238,16 +248,17 @@ void main(void)
         case NATIVE_FIRM:
             res = patchNativeFirm(firmVersion, nandType, emuHeader, isA9lhInstalled, isSafeMode, devMode);
             break;
-        case SAFE_FIRM:
-        case NATIVE_FIRM1X2X:
-            res = isA9lhInstalled ? patch1x2xNativeAndSafeFirm(devMode) : 0;
-            break;
         case TWL_FIRM:
             res = patchTwlFirm(firmVersion, devMode);
             break;
         case AGB_FIRM:
             res = patchAgbFirm(devMode);
             break;
+        case SAFE_FIRM:
+        case SYSUPDATER_FIRM:
+        case NATIVE_FIRM1X2X:
+            res = isA9lhInstalled ? patch1x2xNativeAndSafeFirm(devMode) : 0;
+            break;
     }
 
     if(res != 0)
diff --git a/source/types.h b/source/types.h
index 54a3f47..4b22de8 100644
--- a/source/types.h
+++ b/source/types.h
@@ -97,6 +97,7 @@ typedef enum FirmwareType
     TWL_FIRM,
     AGB_FIRM,
     SAFE_FIRM,
+    SYSUPDATER_FIRM,
     NATIVE_FIRM1X2X
 } FirmwareType;