Switched to 32-bit variables when possible, removed unneeded casts

Thanks @Fix94 for the tip
This commit is contained in:
Aurora 2016-03-06 18:29:47 +01:00
parent 4bdba9f8e9
commit 13fd33a61d
9 changed files with 65 additions and 65 deletions

View File

@ -57,7 +57,7 @@ __asm__\
void aes_setkey(u8 keyslot, const void* key, u32 keyType, u32 mode)
{
if(keyslot <= 0x03) return; // Ignore TWL keys for now
u32* key32 = (u32*)key;
u32 * key32 = (u32 *)key;
*REG_AESCNT = (*REG_AESCNT & ~(AES_CNT_INPUT_ENDIAN | AES_CNT_INPUT_ORDER)) | mode;
*REG_AESKEYCNT = (*REG_AESKEYCNT >> 6 << 6) | keyslot | AES_KEYCNT_WRITE;
@ -78,7 +78,7 @@ void aes_use_keyslot(u8 keyslot)
void aes_setiv(const void* iv, u32 mode)
{
const u32* iv32 = (const u32*)iv;
const u32 *iv32 = (const u32 *)iv;
*REG_AESCNT = (*REG_AESCNT & ~(AES_CNT_INPUT_ENDIAN | AES_CNT_INPUT_ORDER)) | mode;
// Word order for IV can't be changed in REG_AESCNT and always default to reversed
@ -98,9 +98,9 @@ void aes_setiv(const void* iv, u32 mode)
}
}
void aes_advctr(void* ctr, u32 val, u32 mode)
void aes_advctr(void *ctr, u32 val, u32 mode)
{
u32* ctr32 = (u32*)ctr;
u32 *ctr32 = (u32*)ctr;
int i;
if(mode & AES_INPUT_BE)
@ -125,9 +125,9 @@ void aes_advctr(void* ctr, u32 val, u32 mode)
}
}
void aes_change_ctrmode(void* ctr, u32 fromMode, u32 toMode)
void aes_change_ctrmode(void *ctr, u32 fromMode, u32 toMode)
{
u32* ctr32 = (u32*)ctr;
u32 *ctr32 = (u32 *)ctr;
int i;
if((fromMode ^ toMode) & AES_CNT_INPUT_ENDIAN)
{
@ -147,13 +147,13 @@ void aes_change_ctrmode(void* ctr, u32 fromMode, u32 toMode)
}
}
void aes_batch(void* dst, const void* src, u32 blockCount)
void aes_batch(void *dst, const void *src, u32 blockCount)
{
*REG_AESBLKCNT = blockCount << 16;
*REG_AESCNT |= AES_CNT_START;
const u32* src32 = (const u32*)src;
u32* dst32 = (u32*)dst;
const u32 *src32 = (const u32 *)src;
u32 *dst32 = (u32 *)dst;
u32 wbc = blockCount;
u32 rbc = blockCount;
@ -180,7 +180,7 @@ void aes_batch(void* dst, const void* src, u32 blockCount)
}
}
void aes(void* dst, const void* src, u32 blockCount, void* iv, u32 mode, u32 ivMode)
void aes(void *dst, const void *src, u32 blockCount, void *iv, u32 mode, u32 ivMode)
{
*REG_AESCNT = mode |
AES_CNT_INPUT_ORDER | AES_CNT_OUTPUT_ORDER |
@ -233,14 +233,14 @@ u8 key2[0x10] = {
};
//Get Nand CTR key
void getNandCTR(u8 *buf, u8 console){
u8 *addr = (console ? (u8*)0x080D8BBC : (u8*)0x080D797C) + 0x0F;
void getNandCTR(u8 *buf, u32 console){
u8 *addr = (console ? (u8 *)0x080D8BBC : (u8 *)0x080D797C) + 0x0F;
for(u8 keyLen = 0x10; keyLen; keyLen--)
*(buf++) = *(addr--);
}
//Read firm0 from NAND and write to buffer
void nandFirm0(u8 *outbuf, u32 size, u8 console){
void nandFirm0(u8 *outbuf, u32 size, u32 console){
u8 CTR[0x10];
getNandCTR(CTR, console);
aes_advctr(CTR, 0x0B130000/0x10, AES_INPUT_BE | AES_INPUT_NORMAL);
@ -250,7 +250,7 @@ void nandFirm0(u8 *outbuf, u32 size, u8 console){
}
//Decrypts the N3DS arm9bin
void decArm9Bin(void *armHdr, u8 mode){
void decArm9Bin(void *armHdr, u32 mode){
//Firm keys
u8 keyY[0x10];
@ -295,6 +295,6 @@ void setKeyXs(void *armHdr){
for(u8 slot = 0x19; slot < 0x20; slot++){
aes(decKey, keyData, 1, NULL, AES_ECB_DECRYPT_MODE, 0);
aes_setkey(slot, decKey, AES_KEYX, AES_INPUT_BE | AES_INPUT_NORMAL);
*(u8*)(keyData+0xF) += 1;
*(u8 *)(keyData+0xF) += 1;
}
}

View File

@ -49,8 +49,8 @@
#define AES_KEYY 2
//NAND/FIRM stuff
void nandFirm0(u8 *outbuf, u32 size, u8 console);
void decArm9Bin(void *armHdr, u8 mode);
void nandFirm0(u8 *outbuf, u32 size, u32 console);
void decArm9Bin(void *armHdr, u32 mode);
void setKeyXs(void *armHdr);
#endif

View File

@ -12,7 +12,7 @@ static struct fb *fb = (struct fb *)0x23FFFE00;
void shutdownLCD(void){
vu32 *arm11 = (vu32*)0x1FFFFFF8;
vu32 *arm11 = (vu32 *)0x1FFFFFF8;
//Clear ARM11 entry offset
*arm11 = 0;
@ -36,7 +36,7 @@ void clearScreen(void){
void loadSplash(void){
//Check if it's a no-screen-init A9LH boot via PDN_GPU_CNT
if(*(u8*)0x10141200 == 0x1) return;
if(*(u8 *)0x10141200 == 0x1) return;
clearScreen();
if(!fileRead(fb->top_left, "/rei/splash.bin", 0x46500)) return;
u64 i = 0xFFFFFF; while(--i) __asm("mov r0, r0"); //Less Ghetto sleep func

View File

@ -8,12 +8,12 @@
#include "memory.h"
#include "fatfs/sdmmc/sdmmc.h"
static u8 *temp = (u8*)0x24300000;
static u8 *temp = (u8 *)0x24300000;
void getEmunandSect(u32 *off, u32 *head){
u32 nandSize = getMMCDevice(0)->total_size;
if(sdmmc_sdcard_readsectors(nandSize, 1, temp) == 0){
if(*(u32*)(temp + 0x100) == NCSD_MAGIC){
if(*(u32 *)(temp + 0x100) == NCSD_MAGIC){
*off = 0;
*head = nandSize;
}
@ -26,10 +26,10 @@ void getSDMMC(void *pos, u32 *off, u32 size){
*off = (u32)memsearch(pos, pattern, size, 4) - 1;
//Get DCD values
u8 buf[4],
p;
u8 buf[4];
u32 addr = 0,
additive = 0;
additive = 0,
p;
memcpy(buf, (void *)(*off+0x0A), 4);
for (p = 0; p < 4; p++) addr |= ((u32) buf[p]) << (8 * p);
memcpy(buf, (void *)(*off+0x0E), 4);

View File

@ -14,8 +14,8 @@
firmHeader *firmLocation = (firmHeader *)0x24000000;
firmSectionHeader *section;
u32 firmSize = 0;
u8 mode = 1,
u32 firmSize = 0,
mode = 1,
console = 1,
emuNAND = 0,
a9lhSetup = 0,
@ -27,10 +27,10 @@ char *firmPathPatched = NULL;
void setupCFW(void){
//Determine if booting with A9LH via PDN_SPI_CNT
u8 a9lhBoot = (*(u8*)0x101401C0 == 0x0) ? 1 : 0;
u8 a9lhBoot = (*(u8 *)0x101401C0 == 0x0) ? 1 : 0;
//Retrieve the last booted FIRM via CFG_BOOTENV
u8 previousFirm = *(u8*)0x10010000;
u8 overrideConfig = 0;
u8 previousFirm = *(u8 *)0x10010000;
u32 overrideConfig = 0;
const char lastConfigPath[] = "rei/lastbootcfg";
//Detect the console being used
@ -93,15 +93,15 @@ void setupCFW(void){
}
//Load firm into FCRAM
u8 loadFirm(void){
u32 loadFirm(void){
//If not using an A9LH setup or the patched FIRM, load 9.0 FIRM from NAND
if(!usePatchedFirm && !a9lhSetup && !mode){
//Read FIRM from NAND and write to FCRAM
firmSize = console ? 0xF2000 : 0xE9000;
nandFirm0((u8*)firmLocation, firmSize, console);
nandFirm0((u8 *)firmLocation, firmSize, console);
//Check for correct decryption
if(memcmp((u8*)firmLocation, "FIRM", 4) != 0) return 0;
if(memcmp(firmLocation, "FIRM", 4) != 0) return 0;
}
//Load FIRM from SD
else{
@ -109,7 +109,7 @@ u8 loadFirm(void){
(mode ? "/rei/firmware.bin" : "/rei/firmware90.bin");
firmSize = fileSize(path);
if(!firmSize) return 0;
fileRead((u8*)firmLocation, path, firmSize);
fileRead((u8 *)firmLocation, path, firmSize);
}
section = firmLocation->section;
@ -118,13 +118,13 @@ u8 loadFirm(void){
if((((u32)section[2].address >> 8) & 0xFF) != (console ? 0x60 : 0x68)) return 0;
if(console && !usePatchedFirm)
decArm9Bin((u8*)firmLocation + section[2].offset, mode);
decArm9Bin((void *)firmLocation + section[2].offset, mode);
return 1;
}
//Nand redirection
u8 loadEmu(void){
u32 loadEmu(void){
u32 emuOffset = 0,
emuHeader = 0,
@ -142,12 +142,12 @@ u8 loadEmu(void){
//Find offset for emuNAND code from the offset in nandRedir
emuCodeOffset = *(u32 *)(nandRedir + 4) - (u32)section[2].address +
section[2].offset + (u32)firmLocation;
fileRead((u8*)emuCodeOffset, path, size);
fileRead((u8 *)emuCodeOffset, path, size);
//Find and patch emunand related offsets
u32 *pos_sdmmc = (u32 *)memsearch((u32*)emuCodeOffset, "SDMC", size, 4);
u32 *pos_offset = (u32 *)memsearch((u32*)emuCodeOffset, "NAND", size, 4);
u32 *pos_header = (u32 *)memsearch((u32*)emuCodeOffset, "NCSD", size, 4);
u32 *pos_sdmmc = (u32 *)memsearch((void *)emuCodeOffset, "SDMC", size, 4);
u32 *pos_offset = (u32 *)memsearch((void *)emuCodeOffset, "NAND", size, 4);
u32 *pos_header = (u32 *)memsearch((void *)emuCodeOffset, "NCSD", size, 4);
getSDMMC(firmLocation, &sdmmcOffset, firmSize);
getEmunandSect(&emuOffset, &emuHeader);
getEmuRW(firmLocation, firmSize, &emuRead, &emuWrite);
@ -158,7 +158,7 @@ u8 loadEmu(void){
//Patch emuNAND code in memory for O3DS and 9.0 N3DS
if(!console || !mode){
void *pos_instr = memsearch((u32*)emuCodeOffset, "\xA6\x01\x08\x30", size, 4);
void *pos_instr = memsearch((void *)emuCodeOffset, "\xA6\x01\x08\x30", size, 4);
memcpy(pos_instr, emuInstr, sizeof(emuInstr));
}
@ -173,7 +173,7 @@ u8 loadEmu(void){
}
//Patches
u8 patchFirm(void){
u32 patchFirm(void){
//Skip patching
if(usePatchedFirm) return 1;
@ -199,7 +199,7 @@ u8 patchFirm(void){
//Patch ARM9 entrypoint on N3DS to skip arm9loader
if(console){
u32 *arm9 = (u32*)&firmLocation->arm9Entry;
u32 *arm9 = (u32 *)&firmLocation->arm9Entry;
*arm9 = 0x801B01C;
}
@ -213,40 +213,40 @@ u8 patchFirm(void){
u32 size = fileSize(path);
if(!size) return 0;
getReboot(firmLocation, firmSize, &rebootOffset);
fileRead((u8*)rebootOffset, path, size);
fileRead((u8 *)rebootOffset, path, size);
//Calculate the fOpen offset and put it in the right location
u32 *pos_fopen = (u32 *)memsearch((u32*)rebootOffset, "OPEN", size, 4);
u32 *pos_fopen = (u32 *)memsearch((void *)rebootOffset, "OPEN", size, 4);
getfOpen(firmLocation, firmSize, &fOpenOffset);
*pos_fopen = fOpenOffset;
//Patch path for emuNAND-patched FIRM
if(emuNAND){
void *pos_path = memsearch((u32*)rebootOffset, L"sy", size, 4);
void *pos_path = memsearch((void *)rebootOffset, L"sy", size, 4);
memcpy(pos_path, L"emu", 5);
}
}
//Write patched FIRM to SD if needed
if(firmPathPatched)
if(!fileWrite((u8*)firmLocation, firmPathPatched, firmSize)) return 0;
if(!fileWrite((u8 *)firmLocation, firmPathPatched, firmSize)) return 0;
return 1;
}
void launchFirm(void){
if(console && mode) setKeyXs((u8*)firmLocation + section[2].offset);
if(console && mode) setKeyXs((void *)firmLocation + section[2].offset);
//Copy firm partitions to respective memory locations
memcpy(section[0].address, (u8*)firmLocation + section[0].offset, section[0].size);
memcpy(section[1].address, (u8*)firmLocation + section[1].offset, section[1].size);
memcpy(section[2].address, (u8*)firmLocation + section[2].offset, section[2].size);
memcpy(section[0].address, (void *)firmLocation + section[0].offset, section[0].size);
memcpy(section[1].address, (void *)firmLocation + section[1].offset, section[1].size);
memcpy(section[2].address, (void *)firmLocation + section[2].offset, section[2].size);
//Run ARM11 screen stuff
vu32 *arm11 = (vu32*)0x1FFFFFF8;
vu32 *arm11 = (vu32 *)0x1FFFFFF8;
*arm11 = (u32)shutdownLCD;
while (*arm11);
while(*arm11);
//Set ARM11 kernel
*arm11 = (u32)firmLocation->arm11Entry;

View File

@ -17,8 +17,8 @@
#define SAFEMODE (BUTTON_L1 | BUTTON_R1 | BUTTON_A | (1 << 6))
void setupCFW(void);
u8 loadFirm(void);
u8 patchFirm(void);
u32 loadFirm(void);
u32 patchFirm(void);
void launchFirm(void);
#endif

View File

@ -7,12 +7,12 @@
static FATFS fs;
u8 mountSD(void){
u32 mountSD(void){
if(f_mount(&fs, "0:", 1) != FR_OK) return 0;
return 1;
}
u8 fileRead(u8 *dest, const char *path, u32 size){
u32 fileRead(u8 *dest, const char *path, u32 size){
FRESULT fr;
FIL fp;
unsigned int br = 0;
@ -27,7 +27,7 @@ u8 fileRead(u8 *dest, const char *path, u32 size){
return fr ? 0 : 1;
}
u8 fileWrite(const u8 *buffer, const char *path, u32 size){
u32 fileWrite(const u8 *buffer, const char *path, u32 size){
FRESULT fr;
FIL fp;
unsigned int br = 0;
@ -39,7 +39,7 @@ u8 fileWrite(const u8 *buffer, const char *path, u32 size){
return fr ? 0 : 1;
}
u32 fileSize(const char* path){
u32 fileSize(const char *path){
FIL fp;
u32 size = 0;
@ -50,7 +50,7 @@ u32 fileSize(const char* path){
return size;
}
u8 fileExists(const char* path){
u32 fileExists(const char *path){
FIL fp;
u8 exists = 0;

View File

@ -7,10 +7,10 @@
#include "types.h"
u8 mountSD(void);
u8 fileRead(u8 *dest, const char *path, u32 size);
u8 fileWrite(const u8 *buffer, const char *path, u32 size);
u32 fileSize(const char* path);
u8 fileExists(const char* path);
u32 mountSD(void);
u32 fileRead(u8 *dest, const char *path, u32 size);
u32 fileWrite(const u8 *buffer, const char *path, u32 size);
u32 fileSize(const char *path);
u32 fileExists(const char *path);
#endif

View File

@ -10,7 +10,7 @@
#include "firm.h"
#include "draw.h"
u8 main(){
u32 main(){
mountSD();
loadSplash();
setupCFW();