Fixed dumb mistakes

README.md

@@ -5,6 +5,8 @@
 
 You'll need armips and [bin2c](https://sourceforge.net/projects/bin2c/) added to your Path. [HERE](http://www91.zippyshare.com/v/ePGpjk9r/file.html) is a pre-compiled version of armips.
 
+You also need to have a recent build of makerom in your path for the injector to be built.
+
 Lastly, just run Make and everything should work!
 
 Copy everything in 'out' folder to SD root and run!
@@ -30,3 +32,5 @@ A skilled reverser gave me the new reboot patch.
 The screen init code is from dark_samus, bil1s, Normmatt, delebile and everyone who contributed.
 
 The code for printing to the screen is from CakesFW.
+
+ARM11 userland patching is only possible thanks to @yifanlu's 3ds_injector, which is bundled in the CFW.

injector/source/patcher.c

@@ -15,7 +15,7 @@ static u8 *memsearch(u8 *startPos, const void *pattern, u32 size, u32 patternSiz
     const u8 *patternc = (const u8 *)pattern;
 
     //Preprocessing
-    int table[256];
+    u32 table[256];
 
     for(u32 i = 0; i < 256; ++i)
         table[i] = patternSize + 1;
@@ -70,7 +70,7 @@ static int file_open(IFile *file, FS_ArchiveID id, const char *path, int flags){
     return IFile_Open(file, archive, ppath, flags);
 }
 
-static int patch_secureinfo(){
+static int load_secureinfo(){
     IFile file;
     Result ret;
     u64 total;
@@ -78,20 +78,6 @@ static int patch_secureinfo(){
     if(secureinfo[0] == 0xFF)
         return 0;
 
-    ret = file_open(&file, ARCHIVE_SDMC, "/SecureInfo_A", FS_OPEN_READ);
-    if(R_SUCCEEDED(ret)){
-        ret = IFile_Read(&file, &total, secureinfo, sizeof(secureinfo));
-        IFile_Close(&file);
-        if(R_SUCCEEDED(ret) && total == sizeof(secureinfo)){
-            ret = file_open(&file, ARCHIVE_NAND_RW, "/sys/SecureInfo_C", FS_OPEN_WRITE | FS_OPEN_CREATE);
-            if(R_SUCCEEDED(ret)){
-                ret = IFile_Write(&file, &total, secureinfo, sizeof(secureinfo), FS_WRITE_FLUSH);
-                IFile_Close(&file);
-            }
-            secureinfo[0] = 0xFF; // we repurpose this byte as status
-        }
-    }
-    else { // get file from NAND
     ret = file_open(&file, ARCHIVE_NAND_RW, "/sys/SecureInfo_C", FS_OPEN_READ);
     if(R_SUCCEEDED(ret)){
         ret = IFile_Read(&file, &total, secureinfo, sizeof(secureinfo));
@@ -99,12 +85,11 @@ static int patch_secureinfo(){
         if(R_SUCCEEDED(ret) && total == sizeof(secureinfo))
             secureinfo[0] = 0xFF;
     }
-    }
 
     return ret;
 }
 
-static int open_config(){
+static int load_config(){
     IFile file;
     Result ret;
     u64 total;
@@ -122,13 +107,15 @@ static int open_config(){
 }
 
 u32 patch_code(u64 progid, u8 *code, u32 size){
-    if( progid == 0x0004003000008F02LL || // USA Menu
-        progid == 0x0004003000008202LL || // JPN Menu
-        progid == 0x0004003000009802LL || // EUR Menu
-        progid == 0x000400300000A102LL || // CHN Menu
-        progid == 0x000400300000A902LL || // KOR Menu
-        progid == 0x000400300000B102LL    // TWN Menu
-     ){
+    switch(progid){
+
+        case 0x0004003000008F02LL: // USA Menu
+        case 0x0004003000008202LL: // EUR Menu
+        case 0x0004003000009802LL: // JPN Menu
+        case 0x000400300000A102LL: // CHN Menu
+        case 0x000400300000A902LL: // KOR Menu
+        case 0x000400300000B102LL: // TWN Menu
+        {
             static const u8 regionFreePattern[] = {
                 0x00, 0x00, 0x55, 0xE3, 0x01, 0x10, 0xA0, 0xE3
             };
@@ -142,8 +129,11 @@ u32 patch_code(u64 progid, u8 *code, u32 size){
                 regionFreePatch, 
                 sizeof(regionFreePatch), 1
             );
+            break;
         }
-    else if(progid == 0x0004013000002C02LL){ // NIM
+
+        case 0x0004013000002C02LL: // NIM
+        {
             static const u8 blockAutoUpdatesPattern[] = {
                 0x25, 0x79, 0x0B, 0x99
             };
@@ -156,15 +146,6 @@ u32 patch_code(u64 progid, u8 *code, u32 size){
             static const u8 blockEShopUpdateCheckPatch[] = {
                 0x00, 0x20, 0x08, 0x60, 0x70, 0x47
             };
-        static const u8 countryRespPattern[] = {
-            0x01, 0x20, 0x01, 0x90, 0x22, 0x46, 0x06, 0x9B
-        };
-        static const char countryRespPatchModel[] = {
-            0x06, 0x9A, 0x03, 0x20, 0x90, 0x47, 0x55, 0x21, 0x01, 0x70, 0x53, 0x21, 0x41, 0x70, 0x00, 0x21, 
-            0x81, 0x70, 0x60, 0x61, 0x00, 0x20
-        };
-        const char *country;
-        char countryRespPatch[sizeof(countryRespPatchModel)];
 
             patch_memory(code, size, 
                 blockAutoUpdatesPattern, 
@@ -178,7 +159,18 @@ u32 patch_code(u64 progid, u8 *code, u32 size){
                 blockEShopUpdateCheckPatch, 
                 sizeof(blockEShopUpdateCheckPatch), 1
             );
-        if(R_SUCCEEDED(patch_secureinfo())){
+
+            if(R_SUCCEEDED(load_secureinfo())){
+                static const char countryRespPattern[] = {
+                    0x01, 0x20, 0x01, 0x90, 0x22, 0x46, 0x06, 0x9B
+                };
+                static const char countryRespPatchModel[] = {
+                    0x06, 0x9A, 0x03, 0x20, 0x90, 0x47, 0x55, 0x21, 0x01, 0x70, 0x53, 0x21, 0x41, 0x70, 0x00, 0x21, 
+                    0x81, 0x70, 0x60, 0x61, 0x00, 0x20
+                };
+                const char *country;
+                char countryRespPatch[sizeof(countryRespPatchModel)];
+
                 switch(secureinfo[0x100]){
                     case 1: country = "US"; break;
                     case 2: country = "GB"; break; // sorry rest-of-Europe, you have to change this
@@ -188,7 +180,6 @@ u32 patch_code(u64 progid, u8 *code, u32 size){
                     case 6: country = "TW"; break;
                     default: case 0: country = "JP"; break;
                 }
-
                 // patch XML response Country
                 memcpy(countryRespPatch, 
                     countryRespPatchModel, 
@@ -203,30 +194,34 @@ u32 patch_code(u64 progid, u8 *code, u32 size){
                     sizeof(countryRespPatch), 1
                 );
             }
+            break;
         }
-    else if(
-             progid == 0x0004001000021000LL || // USA MSET
-             progid == 0x0004001000020000LL || // JPN MSET
-             progid == 0x0004001000022000LL || // EUR MSET
-             progid == 0x0004001000026000LL || // CHN MSET
-             progid == 0x0004001000027000LL || // KOR MSET
-             progid == 0x0004001000028000LL    // TWN MSET
-    ){
-        if(R_SUCCEEDED(open_config()) && ((config >> 5) & 0x1)){
-            static const u16 VerPattern[] = u"Ver.";
-            const u32 currentFirm = ((config >> 12) & 0x1);
-            const u32 currentNand = ((config >> 13) & 0x3);
+
+        case 0x0004001000021000LL: // USA MSET
+        case 0x0004001000020000LL: // JPN MSET
+        case 0x0004001000022000LL: // EUR MSET
+        case 0x0004001000026000LL: // CHN MSET
+        case 0x0004001000027000LL: // KOR MSET
+        case 0x0004001000028000LL: // TWN MSET
+        {
+            if(R_SUCCEEDED(load_config()) && ((config >> 5) & 1)){
+                static const u16 verPattern[] = u"Ver.";
+                const u32 currentFirm = ((config >> 12) & 1);
+                const u32 currentNand = ((config >> 13) & 3);
 
                 patch_memory(code, size,
-                VerPattern,
-                sizeof(VerPattern) - sizeof(u16), 0,
+                    verPattern,
+                    sizeof(verPattern) - sizeof(u16), 0,
                     currentNand ? ((currentNand == 1) ? ((currentFirm == 1) ? u" Emu" : u"Emu9") : u"Emu2") :
                                   ((currentFirm == 1) ? u" Sys" : u"Sys9"),
-                sizeof(VerPattern) - sizeof(u16), 1
+                    sizeof(verPattern) - sizeof(u16), 1
                 );
             }
+            break;
         }
-    else if (progid == 0x0004013000008002LL){ // NS
+
+        case 0x0004013000008002LL: // NS
+        {
             static const u8 stopCartUpdatesPattern[] = {
                 0x0C, 0x18, 0xE1, 0xD8
             };
@@ -240,16 +235,17 @@ u32 patch_code(u64 progid, u8 *code, u32 size){
                 stopCartUpdatesPatch,
                 sizeof(stopCartUpdatesPatch), 2
             );
+            break;
         }
-    else if(progid == 0x0004013000001702LL){ // CFG
+
+        case 0x0004013000001702LL: // CFG
+        {
             static const u8 secureinfoSigCheckPattern[] = {
                 0x06, 0x46, 0x10, 0x48, 0xFC
             };
             static const u8 secureinfoSigCheckPatch[] = {
                 0x00, 0x26
             };
-        static const u16 secureinfoFilenamePattern[] = u"SecureInfo_";
-        static const u16 secureinfoFilenamePatch[] = u"C";
 
             // disable SecureInfo signature check
             patch_memory(code, size, 
@@ -258,7 +254,11 @@ u32 patch_code(u64 progid, u8 *code, u32 size){
                 secureinfoSigCheckPatch, 
                 sizeof(secureinfoSigCheckPatch), 1
             );
-        if(R_SUCCEEDED(patch_secureinfo())){
+
+            if(R_SUCCEEDED(load_secureinfo())){
+                static const u16 secureinfoFilenamePattern[] = u"SecureInfo_";
+                static const u16 secureinfoFilenamePatch[] = u"C";
+
                 // use SecureInfo_C
                 patch_memory(code, size, 
                     secureinfoFilenamePattern, 
@@ -268,6 +268,8 @@ u32 patch_code(u64 progid, u8 *code, u32 size){
                     sizeof(secureinfoFilenamePatch) - sizeof(u16), 2
                 );
             }
+            break;
+        }
     }
 
     return 0;

loader/source/buttons.h

@@ -3,7 +3,6 @@
 #include "types.h"
 
 #define HID_PAD       (*(vu16 *)0x10146000 ^ 0xFFF)
-#define BUTTON_B      (1 << 1)
 #define BUTTON_X      (1 << 10)
 #define BUTTON_Y      (1 << 11)
 #define BUTTON_SELECT (1 << 2)

loader/source/main.c

@@ -25,8 +25,7 @@ void main(void){
     //Get pressed buttons
     u16 pressed = HID_PAD;
 
-    if(((pressed & BUTTON_B) && loadPayload("/aurei/payloads/b.bin")) ||
-       ((pressed & BUTTON_X) && loadPayload("/aurei/payloads/x.bin")) ||
+    if(((pressed & BUTTON_X) && loadPayload("/aurei/payloads/x.bin")) ||
        ((pressed & BUTTON_Y) && loadPayload("/aurei/payloads/y.bin")) ||
        ((pressed & BUTTON_SELECT) && loadPayload("/aurei/payloads/select.bin")) ||
        ((pressed & BUTTON_START) && loadPayload("/aurei/payloads/start.bin")) ||

source/buttons.h

@@ -21,6 +21,6 @@
 #define BUTTON_DOWN     (1 << 7)
 #define BUTTON_L1R1     ((1 << 8) | (1 << 9))
 #define SAFE_MODE       (BUTTON_L1R1 | BUTTON_A | BUTTON_UP)
-#define OPTION_BUTTONS  (BUTTON_L1R1 | BUTTON_A)
-#define PAYLOAD_BUTTONS ((BUTTON_L1 | BUTTON_A) ^ 0xFFF)
+#define OPTION_BUTTONS  (BUTTON_L1R1 | BUTTON_A | BUTTON_SELECT)
+#define PAYLOAD_BUTTONS ((BUTTON_L1 | BUTTON_A | BUTTON_B) ^ 0xFFF)
 #define MENU_BUTTONS    (BUTTON_LEFT | BUTTON_RIGHT | BUTTON_UP | BUTTON_DOWN | BUTTON_A | BUTTON_START)

source/draw.c

@@ -20,7 +20,7 @@ static const struct fb {
     u8 *bottom;
 } *const fb = (struct fb *)0x23FFFE00;
 
-static int strlen(const char *string){
+static inline int strlen(const char *string){
     char *stringEnd = (char *)string;
     while(*stringEnd) stringEnd++;
     return stringEnd - string;

source/emunand.c

@@ -8,11 +8,11 @@
 #include "memory.h"
 #include "fatfs/sdmmc/sdmmc.h"
 
-void getEmunandSect(u32 *off, u32 *head, u32 emuNAND){
+void getEmunandSect(u32 *off, u32 *head, u32 *emuNAND){
     u8 *const temp = (u8 *)0x24300000;
 
-    u32 nandSize = getMMCDevice(0)->total_size;
-    u32 nandOffset = emuNAND == 1 ? 0 :
+    const u32 nandSize = getMMCDevice(0)->total_size;
+    u32 nandOffset = *emuNAND == 1 ? 0 :
                                   (nandSize > 0x200000 ? 0x400000 : 0x200000);
 
     //Check for RedNAND
@@ -28,7 +28,11 @@ void getEmunandSect(u32 *off, u32 *head, u32 emuNAND){
                 *head = nandOffset + nandSize;
             }
             //Fallback to the first emuNAND if there's no second one
-            else if(emuNAND == 2) getEmunandSect(off, head, 1);
+            else if(*emuNAND == 2){
+                *emuNAND = 1;
+                getEmunandSect(off, head, emuNAND);
+            }
+            else *emuNAND = 0;
         }
     }
 }

source/emunand.h

@@ -10,7 +10,7 @@
 
 #define NCSD_MAGIC (0x4453434E)
 
-void getEmunandSect(u32 *off, u32 *head, u32 emuNAND);
+void getEmunandSect(u32 *off, u32 *head, u32 *emuNAND);
 u32 getSDMMC(u8 *pos, u32 size);
 void getEmuRW(u8 *pos, u32 size, u32 *readOff, u32 *writeOff);
 u32 *getMPU(u8 *pos, u32 size);

source/firm.c

@@ -18,7 +18,7 @@
 #include "../build/patches.h"
 
 //FIRM patches version
-#define PATCH_VER 2
+#define PATCH_VER 3
 
 static firmHeader *const firm = (firmHeader *)0x24000000;
 static const firmSectionHeader *section;
@@ -27,13 +27,16 @@ static const char *patchedFirms[] = { "/aurei/patched_firmware_sys.bin",
                                      "/aurei/patched_firmware_emu.bin",
                                      "/aurei/patched_firmware_em2.bin",
                                      "/aurei/patched_firmware90.bin" };
+
 static u32 firmSize,
            console,
            mode,
            emuNAND,
            a9lhSetup,
            selectedFirm,
-           usePatchedFirm;
+           usePatchedFirm,
+           emuOffset,
+           emuHeader;
 
 void setupCFW(void){
 
@@ -48,36 +51,41 @@ void setupCFW(void){
 
     //Attempt to read the configuration file
     const char configPath[] = "aurei/config.bin";
-    u32 config = 0;
-    u32 needConfig = fileRead(&config, configPath, 3) ? 1 : 2;
+    u32 config = 0,
+        needConfig = fileRead(&config, configPath, 3) ? 1 : 2;
 
     //Determine if A9LH is installed and the user has an updated sysNAND
     u32 updatedSys;
 
-    if(a9lhBoot || (config >> 2) & 0x1){
+    if(a9lhBoot || (config >> 2) & 1){
         if(pressed == SAFE_MODE)
             error("Using Safe Mode would brick you, or remove A9LH!");
 
         a9lhSetup = 1;
         //Check setting for > 9.2 sysNAND
-        updatedSys = config & 0x1;
+        updatedSys = config & 1;
     } else{
         a9lhSetup = 0;
         updatedSys = 0;
     }
 
+    u32 tempConfig = (PATCH_VER << 17) | (a9lhSetup << 16);
+
     /* If booting with A9LH, it's a MCU reboot and a previous configuration exists,
        try to force boot options */
     if(a9lhBoot && previousFirm && needConfig == 1){
         //Always force a sysNAND boot when quitting AGB_FIRM
-        if(previousFirm == 0x7){
-            if(!updatedSys) mode = (config >> 12) & 0x1;
+        if(previousFirm == 7){
+            mode = updatedSys ? 1 : (config >> 12) & 1;
             emuNAND = 0;
+            //Flag to prevent multiple boot options-forcing
+            tempConfig |= 1 << 15;
             needConfig = 0;
-        //Else, force the last used boot options unless A, L or R are pressed
-        } else if(!(pressed & OPTION_BUTTONS)){
-            mode = (config >> 12) & 0x1;
-            emuNAND = (config >> 13) & 0x3;
+        /* Else, force the last used boot options unless A, L or R are pressed
+           or the no-forcing flag is set */
+        } else if(!(pressed & OPTION_BUTTONS) && !((config >> 15) & 1)){
+            mode = (config >> 12) & 1;
+            emuNAND = (config >> 13) & 3;
             needConfig = 0;
         }
     }
@@ -94,10 +102,10 @@ void setupCFW(void){
             configureCFW(configPath, patchedFirms[3]);
 
         //If screens are inited, load splash screen
-        if(PDN_GPU_CNT != 0x1) loadSplash();
+        if(PDN_GPU_CNT != 1) loadSplash();
 
         /* If L is pressed, boot 9.0 FIRM */
-        mode = ((config >> 3) & 0x1) ? ((!(pressed & BUTTON_L1R1)) ? 0 : 1) :
+        mode = ((config >> 3) & 1) ? ((!(pressed & BUTTON_L1R1)) ? 0 : 1) :
                                      ((pressed & BUTTON_L1) ? 0 : 1);
 
         /* If L or R aren't pressed on a 9.0/9.2 sysNAND, or the 9.0 FIRM is selected
@@ -105,33 +113,48 @@ void setupCFW(void){
         if((updatedSys && (!mode || (pressed & BUTTON_R1))) ||
            (!updatedSys && mode && !(pressed & BUTTON_R1))){
             //If not 9.0 FIRM and B is pressed, attempt booting the second emuNAND
-            emuNAND = (mode && ((!(pressed & BUTTON_B)) == ((config >> 4) & 0x1))) ? 2 : 1;
+            emuNAND = (mode && ((!(pressed & BUTTON_B)) == ((config >> 4) & 1))) ? 2 : 1;
         } else emuNAND = 0;
 
-        u32 tempConfig = (PATCH_VER << 17) | (a9lhSetup << 16) | (emuNAND << 13) | (mode << 12);
-
         /* If tha FIRM patches version is different or user switched to/from A9LH,
            delete all patched FIRMs */
         if((tempConfig & 0xFF0000) != (config & 0xFF0000))
             deleteFirms(patchedFirms, sizeof(patchedFirms) / sizeof(char *));
+    }
+
+    u32 usePatchedFirmSet = ((config >> 1) & 1);
+
+    while(1){
+        /* Determine which patched FIRM we need to write or attempt to use (if any).
+           Patched 9.0 FIRM is only needed if "Use pre-patched FIRMs" is set */
+        selectedFirm = mode ? (emuNAND ? (emuNAND == 1 ? 2 : 3) : 1) :
+                              (usePatchedFirmSet ? 4 : 0);
+
+        //If "Use pre-patched FIRMs" is set and the appropriate FIRM exists, use it
+        if(usePatchedFirmSet && fileExists(patchedFirms[selectedFirm - 1]))
+            usePatchedFirm = 1;
+        //Detect EmuNAND
+        else if(emuNAND){
+            getEmunandSect(&emuOffset, &emuHeader, &emuNAND);
+            //If none exists, force SysNAND + 9.6/10.x FIRM and re-detect patched FIRMs
+            if(!emuNAND){
+                mode = 1;
+                continue;
+            }
+        }
+        break;
+    }
+
+    tempConfig |= (emuNAND << 13) | (mode << 12);
 
     //If the boot configuration is different from previously, overwrite it
-        if((tempConfig & 0xFFF000) != (config & 0xFFF000)){
+    if(tempConfig != (config & 0xFFF000)){
         //Preserve user settings (first 12 bits)
         tempConfig |= config & 0xFFF;
         fileWrite(&tempConfig, configPath, 3);
     }
 }
 
-    /* Determine which patched FIRM we need to write or attempt to use (if any).
-       Patched 9.0 FIRM is only needed if "Use pre-patched FIRMs" is set */
-    selectedFirm = mode ? (emuNAND ? (emuNAND == 1 ? 2 : 3) : 1) :
-                          (((config >> 1) & 0x1) ? 4 : 0);
-
-    //If "Use pre-patched FIRMs" is set and the appropriate FIRM exists, use it
-    usePatchedFirm = (((config >> 1) & 0x1) && fileExists(patchedFirms[selectedFirm - 1])) ? 1 : 0;
-}
-
 //Load FIRM into FCRAM
 void loadFirm(void){
 
@@ -165,18 +188,7 @@ void loadFirm(void){
 }
 
 //NAND redirection
-static void loadEmu(u8 *proc9Offset){
-
-    u32 emuOffset,
-        emuHeader = 0,
-        emuRead,
-        emuWrite;
-
-    //Look for emuNAND
-    getEmunandSect(&emuOffset, &emuHeader, emuNAND);
-
-    //No emuNAND detected
-    if(!emuHeader) error("No emuNAND has been detected");
+static inline void loadEmu(u8 *proc9Offset){
 
     //Copy emuNAND code
     void *emuCodeOffset = getEmuCode(proc9Offset);
@@ -197,6 +209,9 @@ static void loadEmu(u8 *proc9Offset){
                        section[2].offset + (u32)section[2].address;
 
     //Add emunand hooks
+    u32 emuRead,
+        emuWrite;
+
     getEmuRW(arm9Section, section[2].size, &emuRead, &emuWrite);
     *(u16 *)emuRead = nandRedir[0];
     *((u16 *)emuRead + 1) = nandRedir[1];
@@ -268,9 +283,11 @@ void patchFirm(void){
         loaderSize;
 
     getLoader((u8 *)firm + section[0].offset, section[0].size, &loaderOffset, &loaderSize);
+    //Check that the injector CXI isn't larger than the original
     if(injector_size <= (int)loaderSize){
         memset((void *)loaderOffset, 0, loaderSize);
         memcpy((void *)loaderOffset, injector, injector_size);
+        //Patch content size and ExeFS size to match the repaced loader's ones
         *((u32 *)loaderOffset + 0x41) = loaderSize / 0x200;
         *((u32 *)loaderOffset + 0x69) = loaderSize / 0x200 - 5;
     }

source/memory.c

@@ -41,7 +41,7 @@ u8 *memsearch(u8 *startPos, const void *pattern, u32 size, u32 patternSize){
     const u8 *patternc = (const u8 *)pattern;
 
     //Preprocessing
-    int table[256];
+    u32 table[256];
 
     for(u32 i = 0; i < 256; ++i)
         table[i] = patternSize + 1;

source/screeninit.c

@@ -32,7 +32,7 @@ void deinitScreens(void){
         ((void (*)())*arm11)();
     }
 
-    if(PDN_GPU_CNT != 0x1){
+    if(PDN_GPU_CNT != 1){
         *arm11 = (u32)ARM11;
         while(*arm11);
     }
@@ -82,7 +82,7 @@ void initScreens(void){
         *(vu32 *)0x1040049C = 0x00000000;
 
         // Disco register
-        for(vu32 i = 0; i < 256; i++)
+        for(u32 i = 0; i < 256; i++)
             *(vu32 *)0x10400484 = 0x10101 * i;
 
         // Bottom screen
@@ -116,7 +116,7 @@ void initScreens(void){
         *(vu32 *)0x1040059C = 0x00000000;
 
         // Disco register
-        for(vu32 i = 0; i < 256; i++)
+        for(u32 i = 0; i < 256; i++)
             *(vu32 *)0x10400584 = 0x10101 * i;
 
         // Enable backlight
@@ -143,7 +143,7 @@ void initScreens(void){
         ((void (*)())*arm11)();
     }
 
-    if(PDN_GPU_CNT == 0x1){
+    if(PDN_GPU_CNT == 1){
         *arm11 = (u32)ARM11;
         while(*arm11);
     }

source/utils.c

@@ -63,7 +63,7 @@ void configureCFW(const char *configPath, const char *firm90Path){
     u32 tempConfig = 0;
     fileRead(&tempConfig, configPath, 3);
     for(u32 i = 0; i < optionsAmount; i++)
-        options[i].enabled = (tempConfig >> i) & 0x1;
+        options[i].enabled = (tempConfig >> i) & 1;
 
     //Pre-select the first configuration option
     u32 selectedOption = 0;
@@ -102,8 +102,7 @@ void configureCFW(const char *configPath, const char *firm90Path){
     }
 
     //If the user has been using A9LH and the "Updated SysNAND" setting changed, delete the patched 9.0 FIRM
-    if(((tempConfig >> 16) & 0x1) && ((tempConfig & 0x1) != options[0].enabled))
-        fileDelete(firm90Path);
+    if(((tempConfig >> 16) & 1) && ((tempConfig & 1) != options[0].enabled)) fileDelete(firm90Path);
 
     //Preserve the last-used boot options (last 12 bits)
     tempConfig &= 0xFFF000;