diff --git a/source/crypto.c b/source/crypto.c
index 64902f51..53735e8a 100755
--- a/source/crypto.c
+++ b/source/crypto.c
@@ -228,7 +228,7 @@ void aes(void *dst, const void *src, u32 blockCount, void *iv, u32 mode, u32 ivM
 ****************************************************************/
 
 //Nand key#2 (0x12C10)
-u8 key2[0x10] = {
+const u8 key2[0x10] = {
     0x42, 0x3F, 0x81, 0x7A, 0x23, 0x52, 0x58, 0x31, 0x6E, 0x75, 0x8E, 0x3A, 0x39, 0x43, 0x2E, 0xD0
 };
 
diff --git a/source/emunand.c b/source/emunand.c
index 33ede4bc..fed0a1bd 100644
--- a/source/emunand.c
+++ b/source/emunand.c
@@ -22,7 +22,7 @@ void getEmunandSect(u32 *off, u32 *head){
 
 void getSDMMC(void *pos, u32 *off, u32 size){
     //Look for struct code
-    unsigned char pattern[] = {0x21, 0x20, 0x18, 0x20};
+    const unsigned char pattern[] = {0x21, 0x20, 0x18, 0x20};
     *off = (u32)memsearch(pos, pattern, size, 4) - 1;
     
     //Get DCD values
@@ -41,7 +41,7 @@ void getSDMMC(void *pos, u32 *off, u32 size){
 
 void getEmuRW(void *pos, u32 size, u32 *readOff, u32 *writeOff){
     //Look for read/write code
-    unsigned char pattern[] = {0x1E, 0x00, 0xC8, 0x05};
+    const unsigned char pattern[] = {0x1E, 0x00, 0xC8, 0x05};
 
     *writeOff = (u32)memsearch(pos, pattern, size, 4) - 6;
     *readOff = (u32)memsearch((void *)(*writeOff - 0x1000), pattern, 0x1000, 4) - 6;
@@ -49,7 +49,7 @@ 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};
+    const unsigned char pattern[] = {0x03, 0x00, 0x24, 0x00};
 
     *off = (u32)memsearch(pos, pattern, size, 4);
 }
\ No newline at end of file
diff --git a/source/memory.c b/source/memory.c
index 4769dfea..a66f88d8 100644
--- a/source/memory.c
+++ b/source/memory.c
@@ -29,7 +29,7 @@ int memcmp(const void *buf1, const void *buf2, u32 size){
     return 0;
 }
 
-void *memsearch(void *start_pos, void *search, u32 size, u32 size_search){
+void *memsearch(void *start_pos, const void *search, u32 size, u32 size_search){
     for(void *pos = start_pos + size - size_search; pos >= start_pos; pos--){
         if(memcmp(pos, search, size_search) == 0) return pos;
     }
diff --git a/source/memory.h b/source/memory.h
index c5436dc6..63686a68 100644
--- a/source/memory.h
+++ b/source/memory.h
@@ -12,6 +12,6 @@
 void memcpy(void *dest, const void *src, u32 size);
 void memset(void *dest, int filler, u32 size);
 int memcmp(const void *buf1, const void *buf2, u32 size);
-void *memsearch(void *start_pos, void *search, u32 size, u32 size_search);
+void *memsearch(void *start_pos, const void *search, u32 size, u32 size_search);
 
 #endif
\ No newline at end of file
diff --git a/source/patches.c b/source/patches.c
index 9e472a4d..00ec5ab1 100644
--- a/source/patches.c
+++ b/source/patches.c
@@ -11,7 +11,7 @@
 *                   Patches
 **************************************************/
 
-u8 mpu[0x2C] = {    //MPU shit
+const u8 mpu[0x2C] = {    //MPU shit
     0x03, 0x00, 0x36, 0x00, 0x00, 0x00, 0x10, 0x10, 0x01, 0x00, 0x00, 0x01, 0x03, 0x00, 0x36, 0x00, 
     0x00, 0x00, 0x00, 0x20, 0x01, 0x01, 0x01, 0x01, 0x03, 0x06, 0x20, 0x00, 0x00, 0x00, 0x00, 0x08, 
     0x01, 0x01, 0x01, 0x01, 0x03, 0x06, 0x1C, 0x00, 0x00, 0x00, 0x02, 0x08
@@ -19,12 +19,12 @@ u8 mpu[0x2C] = {    //MPU shit
 
 u8 nandRedir[0x08] = {0x00, 0x4C, 0xA0, 0x47, 0xC0, 0xA5, 0x01, 0x08};    //Branch to emunand function
 
-u8 sigPat1[2] = {0x00, 0x20};
-u8 sigPat2[4] = {0x00, 0x20, 0x70, 0x47};
+const u8 sigPat1[2] = {0x00, 0x20};
+const u8 sigPat2[4] = {0x00, 0x20, 0x70, 0x47};
 
-u8 FIRMblock[4] = {0x00, 0x20, 0xC0, 0x46};
+const u8 FIRMblock[4] = {0x00, 0x20, 0xC0, 0x46};
 
-u8 emuInstr[5] = {0xA5, 0x01, 0x08, 0x30, 0xA5};
+const u8 emuInstr[5] = {0xA5, 0x01, 0x08, 0x30, 0xA5};
 
 /**************************************************
 *                   Functions
@@ -32,8 +32,8 @@ u8 emuInstr[5] = {0xA5, 0x01, 0x08, 0x30, 0xA5};
 
 void getSignatures(void *pos, u32 size, u32 *off, u32 *off2){
     //Look for signature checks
-    unsigned char pattern[] = {0xC0, 0x1C, 0x76, 0xE7};
-    unsigned char pattern2[] = {0xB5, 0x22, 0x4D, 0x0C};
+    const unsigned char pattern[] = {0xC0, 0x1C, 0x76, 0xE7};
+    const unsigned char pattern2[] = {0xB5, 0x22, 0x4D, 0x0C};
 
     *off = (u32)memsearch(pos, pattern, size, 4);
     *off2 = (u32)memsearch(pos, pattern2, size, 4) - 1;
@@ -41,7 +41,7 @@ void getSignatures(void *pos, u32 size, u32 *off, u32 *off2){
 
 void getReboot(void *pos, u32 size, u32 *off){
     //Look for FIRM reboot code
-    unsigned char pattern[] = {0xDE, 0x1F, 0x8D, 0xE2};
+    const unsigned char pattern[] = {0xDE, 0x1F, 0x8D, 0xE2};
 
     *off = (u32)memsearch(pos, pattern, size, 4) - 0x10;
 }
@@ -50,7 +50,7 @@ void getfOpen(void *pos, u32 size, u32 *off){
     //Calculate fOpen
     u32 p9addr = *(u32 *)((u8 *)memsearch(pos, "ess9", size, 4) + 0xC);
     u32 p9off = (u32)memsearch(pos, "code", size, 4) + 0x1FF;
-    unsigned char pattern[] = {0xB0, 0x04, 0x98, 0x0D};
+    const unsigned char pattern[] = {0xB0, 0x04, 0x98, 0x0D};
 
     *off = (u32)memsearch(pos, pattern, size, 4) - 2 - p9off + p9addr;
 }
@@ -58,7 +58,7 @@ void getfOpen(void *pos, u32 size, u32 *off){
 void getFIRMWrite(void *pos, u32 size, u32 *off){
     //Look for FIRM writing code
     u8 *firmwrite = (u8 *)memsearch(pos, "exe:", size, 4);
-    unsigned char pattern[] = {0x00, 0x28, 0x01, 0xDA};
+    const unsigned char pattern[] = {0x00, 0x28, 0x01, 0xDA};
 
     *off = (u32)memsearch(firmwrite - 0x100, pattern, 0x100, 4);
 }
\ No newline at end of file
diff --git a/source/patches.h b/source/patches.h
index e5f574b0..879a3bfc 100644
--- a/source/patches.h
+++ b/source/patches.h
@@ -12,12 +12,12 @@
 /**************************************************
 *                   Patches
 **************************************************/
-u8 mpu[0x2C];       
+const u8 mpu[0x2C];       
 u8 nandRedir[0x08];
-u8 sigPat1[2];
-u8 sigPat2[4];
-u8 FIRMblock[4];
-u8 emuInstr[5];
+const u8 sigPat1[2];
+const u8 sigPat2[4];
+const u8 FIRMblock[4];
+const u8 emuInstr[5];
 
 /**************************************************
 *                   Functions