Reduced pattern size, fixed N3DS NAND0 FIRM size

It's actually a little smaller
LumaTeam · Feb 10, 2016 · e34ca44 · e34ca44
1 parent 899a685
commit e34ca44
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Showing 3 changed files with 9 additions and 9 deletions.
diff --git a/source/emunand.c b/source/emunand.c
@@ -23,8 +23,8 @@ void getEmunandSect(u32 *off, u32 *head){
 
 void getSDMMC(void *pos, u32 *off, u32 size){
     //Look for struct code
-    unsigned char pattern[] = {0x01, 0x21, 0x20, 0x18, 0x20, 0x30};
-    *off = (u32)memsearch(pos, pattern, size, 6);
+    unsigned char pattern[] = {0x01, 0x21, 0x20, 0x18, 0x20};
+    *off = (u32)memsearch(pos, pattern, size, 5);
 
     //Get DCD values
     unsigned char buf[4];
@@ -50,9 +50,9 @@ void getEmuRW(void *pos, u32 size, u32 *readOff, u32 *writeOff){
 
 void getMPU(void *pos, u32 *off, u32 size){
     //Look for MPU pattern
-    unsigned char pattern[] = {0x03, 0x00, 0x24, 0x00, 0x00, 0x00, 0x10};
+    unsigned char pattern[] = {0x03, 0x00, 0x24, 0x00, 0x00};
 
-    *off = (u32)memsearch(pos, pattern, size, 7);
+    *off = (u32)memsearch(pos, pattern, size, 5);
 }
 
 void getEmuCode(void *pos, u32 *off, u32 size){

diff --git a/source/firm.c b/source/firm.c
@@ -29,7 +29,7 @@ u8 loadFirm(void){
     if((pressed & BUTTON_L1R1) == BUTTON_L1R1){
         mode = 0;
         //Read FIRM from NAND and write to FCRAM
-        firmSize = console ? 0xF2C00 : 0xE9000;
+        firmSize = console ? 0xF2000 : 0xE9000;
         nandFirm0((u8*)firmLocation, firmSize, console);
         if(memcmp((u8*)firmLocation, "FIRM", 4) != 0) return 1;
     }

diff --git a/source/patches.c b/source/patches.c
@@ -34,18 +34,18 @@ u8 sigPat2[4] = {0x00, 0x20, 0x70, 0x47};
 
 void getSignatures(void *pos, u32 size, u32 *off, u32 *off2){
     //Look for signature checks
-    unsigned char pattern[] = {0xC0, 0x1C, 0x76, 0xE7, 0x20};
+    unsigned char pattern[] = {0xC0, 0x1C, 0x76, 0xE7};
     unsigned char pattern2[] = {0x70, 0xB5, 0x22, 0x4D, 0x0C};
 
-    *off = (u32)memsearch(pos, pattern, size, 5);
+    *off = (u32)memsearch(pos, pattern, size, 4);
     *off2 = (u32)memsearch(pos, pattern2, size, 5);
 }
 
 void getReboot(void *pos, u32 size, u32 *off, u32 *off2){
     //Look for FIRM reboot code
-    unsigned char pattern[] = {0x8D, 0xE5, 0x00, 0xC0, 0x91, 0xE5};
+    unsigned char pattern[] = {0x8D, 0xE5, 0x00, 0xC0, 0x91};
     unsigned char pattern2[] = {0xF0, 0x4F, 0x2D, 0xE9, 0x3C};
 
-    *off = (u32)memsearch(pos, pattern, size, 6) + 2;
+    *off = (u32)memsearch(pos, pattern, size, 5) + 2;
     *off2 = (u32)memsearch(pos, pattern2, size, 5);
 }