From 4fabe1f704b805bb4b22b63e79288c4f08b70514 Mon Sep 17 00:00:00 2001
From: Aurora <davidone92@katamail.com>
Date: Tue, 12 Apr 2016 15:25:36 +0200
Subject: [PATCH] Added new and working N3DS CPU patch from @TuxSH

---
 injector/source/patcher.c | 18 +++++++++++++++++-
 source/config.c           |  1 +
 source/firm.c             |  6 +++---
 3 files changed, 21 insertions(+), 4 deletions(-)

diff --git a/injector/source/patcher.c b/injector/source/patcher.c
index f5a4da9..6c0adfa 100644
--- a/injector/source/patcher.c
+++ b/injector/source/patcher.c
@@ -206,7 +206,7 @@ void patchCode(u64 progId, u8 *code, u32 size)
         case 0x0004001000027000LL: // KOR MSET
         case 0x0004001000028000LL: // TWN MSET
         {
-            if(R_SUCCEEDED(loadConfig()) && ((config >> 5) & 1))
+            if(R_SUCCEEDED(loadConfig()) && ((config >> 6) & 1))
             {
                 static const u16 verPattern[] = u"Ver.";
                 const u32 currentNand = ((config >> 16) & 3);
@@ -242,6 +242,22 @@ void patchCode(u64 progId, u8 *code, u32 size)
                 sizeof(stopCartUpdatesPatch), 2
             );
 
+            if(R_SUCCEEDED(loadConfig()) && ((config >> 4) & 1))
+            {
+                static const u8 cfgN3dsCpuPattern[] = {
+                    0x40, 0xA0, 0xE1, 0x07, 0x00
+                };
+
+                u8 *cfgN3dsCpuLoc = memsearch(code, cfgN3dsCpuPattern, size, sizeof(cfgN3dsCpuPattern));
+
+                //Patch N3DS CPU Clock and L2 cache setting
+                if(cfgN3dsCpuLoc != NULL)
+                {
+                    *(u32 *)(cfgN3dsCpuLoc + 3) = 0xE1A00000;
+                    *(u32 *)(cfgN3dsCpuLoc + 0x1F) = 0xE3A00003;
+                }
+            }
+
             break;
         }
 
diff --git a/source/config.c b/source/config.c
index 272243c..9cf57c0 100644
--- a/source/config.c
+++ b/source/config.c
@@ -24,6 +24,7 @@ void configureCFW(const char *configPath)
                                   "( ) Updated SysNAND mode (A9LH-only)",
                                   "( ) Force A9LH detection",
                                   "( ) Use second EmuNAND as default",
+                                  "( ) Force max N3DS clock speed and L2 cache",
                                   "( ) Use developer UNITINFO",
                                   "( ) Show current NAND in System Settings",
                                   "( ) Show GBA boot screen in patched AGB_FIRM",
diff --git a/source/firm.c b/source/firm.c
index 337b13e..d73d68d 100755
--- a/source/firm.c
+++ b/source/firm.c
@@ -142,7 +142,7 @@ void main(void)
                 configureCFW(configPath);
 
             //If screens are inited or the corresponding option is set, load splash screen
-            if(PDN_GPU_CNT != 1 || CONFIG(7, 1)) loadSplash();
+            if(PDN_GPU_CNT != 1 || CONFIG(8, 1)) loadSplash();
 
             //Determine if we need to boot an emuNAND or sysNAND
             nandType = (pressed & BUTTON_L1) ? autoBootSys : ((pressed & BUTTON_R1) ? updatedSys : !autoBootSys);
@@ -271,7 +271,7 @@ static inline void patchNativeFirm(u32 nandType, u32 emuHeader, u32 a9lhInstalle
     *(u16 *)sigOffset2 = sigPatch[0];
     *((u16 *)sigOffset2 + 1) = sigPatch[1];
 
-    if(CONFIG(4, 1))
+    if(CONFIG(5, 1))
     {
         //Apply UNITINFO patch
         u8 *unitInfoOffset = getUnitInfoValueSet(arm9Section, section[2].size);
@@ -383,7 +383,7 @@ static inline void patchTwlAgbFirm(u32 firmType)
 
     /* Calculate the amount of patches to apply. Only count the boot screen patch for AGB_FIRM
        if the matching option was enabled (keep it as last) */
-    u32 numPatches = firmType == 1 ? (sizeof(twlPatches) / sizeof(patchData)) : (sizeof(agbPatches) / sizeof(patchData) - !CONFIG(6, 1));
+    u32 numPatches = firmType == 1 ? (sizeof(twlPatches) / sizeof(patchData)) : (sizeof(agbPatches) / sizeof(patchData) - !CONFIG(7, 1));
     const patchData *patches = firmType == 1 ? twlPatches : agbPatches;
 
     //Patch