Cleanup some userland patches, add/cleanup credits for patches

injector/source/patcher.c

@@ -334,7 +334,7 @@ void patchCode(u64 progId, u8 *code, u32 size)
         case 0x000400300000B102LL: // TWN Menu
         {
             static const u8 regionFreePattern[] = {
-                0x00, 0x00, 0x55, 0xE3, 0x01, 0x10, 0xA0
+                0x0A, 0x0C, 0x00, 0x10
             },
                             regionFreePatch[] = {
                 0x01, 0x00, 0xA0, 0xE3, 0x1E, 0xFF, 0x2F, 0xE1
@@ -342,8 +342,8 @@ void patchCode(u64 progId, u8 *code, u32 size)
 
             //Patch SMDH region checks
             patchMemory(code, size, 
-                regionFreePattern, 
+                regionFreePattern,
-                sizeof(regionFreePattern), -16, 
+                sizeof(regionFreePattern), -31, 
                 regionFreePatch, 
                 sizeof(regionFreePatch), 1
             );
@@ -378,7 +378,7 @@ void patchCode(u64 progId, u8 *code, u32 size)
         case 0x0004013000003202LL: // FRIENDS
         {
             static const u8 fpdVerPattern[] = {
-                0xE0, 0x1E, 0xFF, 0x2F, 0xE1, 0x01, 0x01
+                0x42, 0xE0, 0x1E, 0xFF
             };
 
             u8 mostRecentFpdVer = 8;
@@ -388,7 +388,7 @@ void patchCode(u64 progId, u8 *code, u32 size)
             if(fpdVer == NULL) svcBreak(USERBREAK_ASSERT);
 
             //Allow online access to work with old friends modules
-            if(fpdVer[9] < mostRecentFpdVer) fpdVer[9] = mostRecentFpdVer;
+            if(fpdVer[0xA] < mostRecentFpdVer) fpdVer[0xA] = mostRecentFpdVer;
 
             break;
         }
@@ -402,7 +402,7 @@ void patchCode(u64 progId, u8 *code, u32 size)
         {
             if(CONFIG(PATCHVERSTRING))
             {
-                static const u16 verPattern[] = u"Ver.";
+                static const u16 verPattern[] = u"Ve";
                 static u16 *verString;
                 u32 verStringSize = 0,
                     currentNand = BOOTCFG_NAND;
@@ -523,13 +523,13 @@ void patchCode(u64 progId, u8 *code, u32 size)
         case 0x0004013000003702LL: // RO
         {
             static const u8 sigCheckPattern[] = {
-                0x30, 0x40, 0x2D, 0xE9, 0x02
+                0x20, 0xA0, 0xE1, 0x8B
             },
                             sha256ChecksPattern1[] = {
-                0x30, 0x40, 0x2D, 0xE9, 0x24
+                0xE1, 0x30, 0x40, 0x2D
             },
                             sha256ChecksPattern2[] = {
-                0xF8, 0x4F, 0x2D, 0xE9, 0x01
+                0x2D, 0xE9, 0x01, 0x70
             },
                             stub[] = {
                 0x00, 0x00, 0xA0, 0xE3, 0x1E, 0xFF, 0x2F, 0xE1 // mov r0, #0; bx lr
@@ -538,7 +538,7 @@ void patchCode(u64 progId, u8 *code, u32 size)
             //Disable CRR0 signature (RSA2048 with SHA256) check
             patchMemory(code, size, 
                 sigCheckPattern, 
-                sizeof(sigCheckPattern), 0, 
+                sizeof(sigCheckPattern), -9, 
                 stub,
                 sizeof(stub), 1
             );
@@ -546,14 +546,14 @@ void patchCode(u64 progId, u8 *code, u32 size)
             //Disable CRO0/CRR0 SHA256 hash checks (section hashes, and hash table)
             patchMemory(code, size, 
                 sha256ChecksPattern1, 
-                sizeof(sha256ChecksPattern1), 0, 
+                sizeof(sha256ChecksPattern1), 1, 
                 stub,
                 sizeof(stub), 1
             );
 
             patchMemory(code, size, 
                 sha256ChecksPattern2, 
-                sizeof(sha256ChecksPattern2), 0, 
+                sizeof(sha256ChecksPattern2), -2, 
                 stub,
                 sizeof(stub), 1
             );
@@ -566,7 +566,7 @@ void patchCode(u64 progId, u8 *code, u32 size)
             if(MULTICONFIG(DEVOPTIONS) == 1)
             {
                 static const u8 unitinfoCheckPattern1[] = { 
-                    0x14, 0x00, 0xD0, 0xE5, 0xDB
+                    0x00, 0xD0, 0xE5, 0xDB
                 },
                                 unitinfoCheckPattern2[] = {
                     0x14, 0x00, 0xD0, 0xE5, 0x01
@@ -577,7 +577,7 @@ void patchCode(u64 progId, u8 *code, u32 size)
 
                 patchMemory(code, size, 
                     unitinfoCheckPattern1, 
-                    sizeof(unitinfoCheckPattern1), 0, 
+                    sizeof(unitinfoCheckPattern1), -1, 
                     unitinfoCheckPatch, 
                     sizeof(unitinfoCheckPatch), 1
                 );

patches/emunand.s

@@ -1,3 +1,5 @@
+; Code by Normmatt
+
 .arm.little
 
 .create "build/emunand.bin", 0

patches/k11modules.s

@@ -20,7 +20,7 @@
 ;   Notices displayed by works containing it.
 ;
 
-; This is mainly Subv's code, big thanks to him.
+; Code originally from Subv
 
 .arm.little
 

patches/reboot.s

@@ -1,3 +1,5 @@
+; Code originally from delebile and mid-kid
+
 .arm.little
 
 payload_addr equ 0x23F00000   ; Brahma payload address

source/emunand.c

@@ -20,6 +20,10 @@
 *   Notices displayed by works containing it.
 */
 
+/*
+*   Code for locating the SDMMC struct by Normmatt
+*/
+
 #include "emunand.h"
 #include "memory.h"
 #include "fatfs/sdmmc/sdmmc.h"

source/emunand.h

@@ -20,6 +20,10 @@
 *   Notices displayed by works containing it.
 */
 
+/*
+*   Code for locating the SDMMC struct by Normmatt
+*/
+
 #pragma once
 
 #include "types.h"

source/patches.c

@@ -21,7 +21,11 @@
 */
 
 /*
+*   Signature patches by an unknown author
+*   firmlaunches patching code originally by delebile
+*   FIRM partition writes patches by delebile
 *   ARM11 modules patching code originally by Subv
+*   Idea for svcBreak patches from yellows8 and others on #3dsdev
 */
 
 #include "patches.h"
@@ -369,8 +373,7 @@ u32 getInfoForArm11ExceptionHandlers(u8 *pos, u32 size, u32 *codeSetOffset)
 
 u32 patchSvcBreak9(u8 *pos, u32 size, u32 kernel9Address)
 {
-    /* Stub svcBreak with "bkpt 65535" so we can debug the panic.
+    //Stub svcBreak with "bkpt 65535" so we can debug the panic
-       Thanks @yellows8 and others for mentioning this idea on #3dsdev */
 
     //Look for the svc handler
     const u8 pattern[] = {0x00, 0xE0, 0x4F, 0xE1}; //mrs lr, spsr

source/patches.h

@@ -21,7 +21,11 @@
 */
 
 /*
+*   Signature patches by an unknown author
+*   firmlaunches patching code originally by delebile
+*   FIRM partition writes patches by delebile
 *   ARM11 modules patching code originally by Subv
+*   Idea for svcBreak patches from yellows8 and others on #3dsdev
 */
 
 #pragma once

source/start.s

@@ -28,7 +28,7 @@ _start:
 
 .global launchedFirmTidLow
 launchedFirmTidLow:
-    .hword 0, 0, 0, 0, 0, 0, 0, 0 
+    .hword 0, 0, 0, 0, 0, 0, 0, 0
 
 start:
     @ Disable interrupts