172 lines
4.2 KiB
C
172 lines
4.2 KiB
C
/*
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* patches.c
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* by Reisyukaku
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* Copyright (c) 2015 All Rights Reserved
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*/
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#include "patches.h"
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#define FIRM 0x24000000
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#define KERNEL9 (FIRM + 0x66A00)
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#define PROC9 (FIRM + 0x7D700)
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#define v9_6_Offset 0x1600
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#define K9_ADDR 0x08006000
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#define P9_ADDR 0x08028000
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/**************************************************
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* Patches
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**************************************************/
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/*
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* Emunand
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*/
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u8 mpu[0x2C] = { //MPU shit
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0x03, 0x00, 0x36, 0x00, 0x00, 0x00, 0x10, 0x10, 0x01, 0x00, 0x00, 0x01, 0x03, 0x00, 0x36, 0x00,
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0x00, 0x00, 0x00, 0x20, 0x01, 0x01, 0x01, 0x01, 0x03, 0x06, 0x20, 0x00, 0x00, 0x00, 0x00, 0x08,
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0x01, 0x01, 0x01, 0x01, 0x03, 0x06, 0x1C, 0x00, 0x00, 0x00, 0x02, 0x08
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};
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u8 nandRedir[0x08] = {0x00, 0x4C, 0xA0, 0x47, 0xC0, 0xA4, 0x01, 0x08}; //Branch to emunand function
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/*
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* Sig checks
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*/
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u8 sigPat1[2] = {0x00, 0x20};
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u8 sigPat2[4] = {0x00, 0x20, 0x70, 0x47};
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/*
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* Arm9 thread
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*/
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u8 th1[4] = {0x2C, 0xF0, 0x9F, 0xE5}; //ldr pc, =0x0801A6E0
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u8 th2[4] = {0xE0, 0xA6, 0x01, 0x08}; //0x0801A6E0
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/**************************************************
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* Functions
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**************************************************/
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//Where the emunand code is stored in firm
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u32 emuCode(u32 kver){
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u32 ret = NULL;
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switch(kver){
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case 0x04:
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case 0x0C:
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case 0x0F:
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ret = KERNEL9 + (0x0801A4C0 - K9_ADDR);
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break;
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case 0x18:
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ret = KERNEL9 + v9_6_Offset + (0x0801A4C0 - K9_ADDR);
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break;
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}
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return ret;
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}
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//Where thread code is stored in firm
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u32 threadCode(u32 kver){
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u32 ret = NULL;
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switch(kver){
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case 0x04:
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case 0x0C:
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case 0x0F:
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ret = KERNEL9 + (0x0801A6E0 - K9_ADDR);
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case 0x18:
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ret = KERNEL9 + v9_6_Offset + (0x0801A6E0 - K9_ADDR);
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break;
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}
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return ret;
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}
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//Area of MPU setting code
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u32 mpuCode(u32 kver){
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u32 ret = NULL;
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switch(kver){
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case 0x04:
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case 0x0C:
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case 0x0F:
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ret = KERNEL9 + (0x0801B3D4 - K9_ADDR);
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break;
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case 0x18:
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ret = KERNEL9 + v9_6_Offset + (0x0801B3D4 - K9_ADDR);
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break;
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}
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return ret;
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}
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//Offsets to redirect to thread code
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u32 threadHook(u8 val, u32 kver){
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u32 ret = NULL;
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switch(kver){
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case 0x04:
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ret = val == 1 ?
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PROC9 + (0x0808690C - P9_ADDR) :
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PROC9 + (0x08086940 - P9_ADDR);
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break;
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case 0x0C:
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//TODO: find
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break;
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case 0x0F:
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ret = val == 1 ?
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PROC9 + (0x080860B0 - P9_ADDR) :
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PROC9 + (0x080860E4 - P9_ADDR);
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break;
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case 0x18:
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ret = val == 1 ?
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PROC9 + v9_6_Offset + (0x08086140 - P9_ADDR) :
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PROC9 + v9_6_Offset + (0x08086174 - P9_ADDR);
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break;
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}
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return ret;
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}
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//Offsets to redirect to Emunand code
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u32 emuHook(u8 val, u32 kver){ //latest only
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u32 ret = NULL;
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switch(kver){
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case 0x04:
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//???
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break;
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case 0x0C:
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//???
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break;
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case 0x0F:
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if(val == 1) ret = PROC9 + (0x0807882C - P9_ADDR);
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else if(val == 2) ret = PROC9 + (0x0807886C - P9_ADDR);
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break;
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case 0x18:
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if(val == 1) ret = PROC9 + v9_6_Offset + (0x0807882C - P9_ADDR);
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else if(val == 2) ret = PROC9 + v9_6_Offset + (0x0807886C - P9_ADDR);
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break;
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}
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return ret;
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}
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//Offsets to redirect to thread code
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u32 sigPatch(u8 val, u32 kver){
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u32 ret = NULL;
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switch(kver){
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case 0x04:
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ret = val == 1 ?
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PROC9 + (0x08063C28 - P9_ADDR) :
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PROC9 + (0x0805E2D4 - P9_ADDR);
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break;
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case 0x0C:
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ret = val == 1 ?
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0 :
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0; //TODO: find
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break;
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case 0x0F:
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ret = val == 1 ?
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PROC9 + (0x08063374 - P9_ADDR) :
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PROC9 + (0x0805D498 - P9_ADDR);
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break;
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case 0x18:
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ret = val == 1 ?
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PROC9 + v9_6_Offset + (0x080632B8 - P9_ADDR) :
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PROC9 + v9_6_Offset + (0x0805D628 - P9_ADDR);
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break;
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}
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return ret;
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} |