Remove legacy A9LH support

arm9/source/common/unittype.h

@@ -9,17 +9,10 @@
 // see: https://www.3dbrew.org/wiki/OTP_Registers#Plaintext_OTP
 #define IS_DEVKIT   ((*(vu8*) (0x01FFB800+0x19)) != 0x0)
 
-// see: https://3dbrew.org/wiki/CONFIG11_Registers
-// (also returns true for sighaxed systems, maybe change the name later?)
-#define IS_A9LH     ((*(vu32*) 0x101401C0) == 0)
-
 // https://www.3dbrew.org/wiki/CONFIG9_Registers
-// (actually checks for an unlocked OTP)
+// (actually checks for an unlocked OTP, meaning sighax)
 #define IS_UNLOCKED (!((*(vu8*)0x10000000) & 0x2))
 
-// A9LH + unlocked == SigHax
-#define IS_SIGHAX   (IS_A9LH && IS_UNLOCKED)
-
 // System models
 enum SystemModel {
     MODEL_OLD_3DS = 0,

arm9/source/filesys/fsperm.c

@@ -49,7 +49,7 @@ bool CheckWritePermissions(const char* path) {
             for (u32 i = 0; (i < sizeof(path_lvl1) / sizeof(char*)) && (lvl < 1); i++)
                 if (strncasecmp(path, path_lvl1[i], 256) == 0) lvl = 1;
         }
-        if (!IS_A9LH) { // changed SysNAND permission levels on non-A9LH
+        if (!IS_UNLOCKED) { // changed SysNAND permission levels on locked systems
             if ((drvtype & DRV_CTRNAND) || (lvl == 2)) lvl = 3;
         }
         perm = perms[lvl];
@@ -179,7 +179,7 @@ bool SetWritePermissions(u32 perm, bool add_perm) {
                 return false;
             break;
         case PERM_SYS_LVL3:
-            if (!ShowUnlockSequence(6, "!THIS IS YOUR ONLY WARNING!\n \nYou want to enable SysNAND\nlvl3 writing permissions.\n \nThis enables you to OVERWRITE\n%s", IS_SIGHAX ? "your B9S installation and/or\nBRICK your console!" : IS_A9LH ? "your A9LH installation and/or\nBRICK your console!" : "essential system files and/or\nBRICK your console!"))
+            if (!ShowUnlockSequence(6, "!THIS IS YOUR ONLY WARNING!\n \nYou want to enable SysNAND\nlvl3 writing permissions.\n \nThis enables you to OVERWRITE\nyour bootloader installation,\nessential system files and/or\nBRICK your console!"))
                 return false;
             break;
         default:

arm9/source/godmode.c

@@ -1037,11 +1037,11 @@ u32 FileHandlerMenu(char* current_path, u32* cursor, u32* scroll, PaneData** pan
     bool renamable = (FTYPE_RENAMABLE(filetype));
     bool trimable = (FTYPE_TRIMABLE(filetype)) && !(drvtype & DRV_VIRTUAL) && !(drvtype & DRV_ALIAS) &&
         !(drvtype & DRV_CTRNAND) && !(drvtype & DRV_TWLNAND) && !(drvtype & DRV_IMAGE);
-    bool transferable = (FTYPE_TRANSFERABLE(filetype) && IS_A9LH && (drvtype & DRV_FAT));
+    bool transferable = (FTYPE_TRANSFERABLE(filetype) && IS_UNLOCKED && (drvtype & DRV_FAT));
     bool hsinjectable = (FTYPE_HASCODE(filetype));
     bool extrcodeable = (FTYPE_HASCODE(filetype));
     bool extrdiffable = (FTYPE_ISDISADIFF(filetype));
-    bool restorable = (FTYPE_RESTORABLE(filetype) && IS_A9LH && !(drvtype & DRV_SYSNAND));
+    bool restorable = (FTYPE_RESTORABLE(filetype) && IS_UNLOCKED && !(drvtype & DRV_SYSNAND));
     bool ebackupable = (FTYPE_EBACKUP(filetype));
     bool ncsdfixable = (FTYPE_NCSDFIXABLE(filetype));
     bool xorpadable = (FTYPE_XORPAD(filetype));
@@ -2011,7 +2011,7 @@ u32 GodMode(int entrypoint) {
     u32 last_write_perm = GetWritePermissions();
     u32 last_clipboard_size = 0;
     
-    bool bootloader = IS_SIGHAX && (entrypoint == ENTRY_NANDBOOT);
+    bool bootloader = IS_UNLOCKED && (entrypoint == ENTRY_NANDBOOT);
     bool bootmenu = bootloader && (BOOTMENU_KEY != BUTTON_START) && CheckButton(BOOTMENU_KEY);
     bool godmode9 = !bootloader;
     
@@ -2030,7 +2030,7 @@ u32 GodMode(int entrypoint) {
     // get mode string for splash screen
     const char* disp_mode = NULL;
     if (bootloader) disp_mode = "bootloader mode\nR+LEFT for menu";
-    else if (!IS_SIGHAX && (entrypoint == ENTRY_NANDBOOT)) disp_mode = "oldloader mode";
+    else if (!IS_UNLOCKED && (entrypoint == ENTRY_NANDBOOT)) disp_mode = "oldloader mode";
     else if (entrypoint == ENTRY_NTRBOOT) disp_mode = "ntrboot mode";
     else if (entrypoint == ENTRY_UNKNOWN) disp_mode = "unknown mode";
     
@@ -2075,7 +2075,7 @@ u32 GodMode(int entrypoint) {
     }
     
     // check internal clock
-    if (IS_SIGHAX) { // we could actually do this on any entrypoint
+    if (IS_UNLOCKED) { // we could actually do this on any entrypoint
         DsTime dstime;
         get_dstime(&dstime);
         if ((DSTIMEGET(&dstime, bcd_Y) < 18) &&
@@ -2619,7 +2619,7 @@ u32 ScriptRunner(int entrypoint) {
     while (timer_msec( timer ) < 500); // show splash for at least 0.5 sec
 
     // you didn't really install a scriptrunner to NAND, did you?
-    if (IS_SIGHAX && (entrypoint == ENTRY_NANDBOOT))
+    if (IS_UNLOCKED && (entrypoint == ENTRY_NANDBOOT))
         BootFirmHandler("0:/iderped.firm", false, false);
     
     if (PathExist("V:/" VRAM0_AUTORUN_GM9)) {

arm9/source/nand/nand.c

@@ -85,14 +85,10 @@ bool GetOtp0x90(void* otp0x90, u32 len)
 bool InitNandCrypto(bool init_full)
 {   
     // part #0: KeyX / KeyY for secret sector 0x96
-    // on a9lh this MUST be run before accessing the SHA register in any other way
     if (IS_UNLOCKED) { // if OTP is unlocked
         // see: https://www.3dbrew.org/wiki/OTP_Registers
         sha_quick(OtpSha256, (u8*) __OTP_ADDR, 0x90, SHA256_MODE);
         Crypto0x96 = true; // valid 100% in that case, others need checking
-    } else if (IS_A9LH) { // for a9lh
-        // store the current SHA256 from register
-        memcpy(OtpSha256, (void*) REG_SHAHASH, 32);
     }
     if (!CheckSector0x96Crypto()) { // if all else fails...
         u8 __attribute__((aligned(32))) otp0x90[0x90];
@@ -168,8 +164,8 @@ bool InitNandCrypto(bool init_full)
     if (GetNandPartitionInfo(NULL, NP_TYPE_FAT, NP_SUBTYPE_CTR, 0, NAND_SYSNAND) != 0)
         LoadKeyFromFile(slot0x05KeyY, 0x05, 'Y', NULL);
     
-    // part #4: AGBSAVE CMAC KEY (set up on A9LH and SigHax)
+    // part #4: AGBSAVE CMAC KEY (set up on unlocked systems)
-    if (init_full && (IS_A9LH || IS_SIGHAX))
+    if (init_full && IS_UNLOCKED)
         LoadKeyFromFile(NULL, 0x24, 'Y', NULL);
     
     // part #5: FULL INIT

arm9/source/utils/nandutil.c

@@ -387,8 +387,8 @@ u32 SafeRestoreNandDump(const char* path) {
     if ((ValidateNandDump(path) != 0) && // NAND dump validation
         !ShowPrompt(true, "Error: NAND dump is corrupt.\nStill continue?"))
         return 1;
-    if (!IS_A9LH) {
+    if (!IS_UNLOCKED) {
-        ShowPrompt(false, "Error: B9S/A9LH not detected.");
+        ShowPrompt(false, "Error: System is locked.");
         return 1;
     }
     if (fvx_stat("S:/essential.exefs", NULL) != FR_OK) {

arm9/source/utils/scripting.c

@@ -482,7 +482,7 @@ bool init_vars(const char* path_script) {
     set_var("NULL", ""); // this one is special and should not be changed later 
     set_var("CURRDIR", curr_dir); // script path, never changes
     set_var("GM9OUT", OUTPUT_PATH); // output path, never changes
-    set_var("HAX", IS_SIGHAX ? (isntrboot() ? "ntrboot" : "sighax") : IS_A9LH ? "a9lh" : ""); // type of hax running from
+    set_var("HAX", IS_UNLOCKED ? (isntrboot() ? "ntrboot" : "sighax") : ""); // type of hax running from
     set_var("ONTYPE", IS_O3DS ? "O3DS" : "N3DS"); // type of the console
     set_var("RDTYPE", IS_DEVKIT ? "devkit" : "retail"); // devkit / retail
     char* ptr = set_var("GM9VER", VERSION); // GodMode9 version, truncated below

arm9/source/virtual/vmem.c

@@ -94,7 +94,7 @@ bool ReadVMemDir(VirtualFile* vfile, VirtualDir* vdir) { // uses a generic vdir
         memcpy(vfile, templates + vdir->index, sizeof(VirtualFile));
         
         // process special flags
-        if (((vfile->flags & VFLAG_N3DS_EXT) && (IS_O3DS || IS_SIGHAX)) || // this is not on O3DS consoles and locked by sighax
+        if (((vfile->flags & VFLAG_N3DS_EXT) && (IS_O3DS || IS_UNLOCKED)) || // this is not on O3DS consoles and locked by sighax
             ((vfile->flags & VFLAG_OTP) && !(IS_UNLOCKED))   || // OTP still locked
             ((vfile->flags & VFLAG_BOOT9) && !(HAS_BOOT9))   || // boot9 not found
             ((vfile->flags & VFLAG_BOOT11) && !(HAS_BOOT11)) || // boot11 not found