LowLevel/Luma3DS-3GX
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Minor stuff

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This commit is contained in:
Aurora 2016-09-19 00:14:32 +02:00
parent 4e7ac41a6c
commit eaa4d6323e
4 changed files with 6 additions and 16 deletions
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15
source/crypto.c
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@ -292,16 +292,12 @@ static void sha(void *res, const void *src, u32 size, u32 mode)
memcpy(res, (void *)REG_SHA_HASH, hashSize);
}
/****************************************************************
* NAND/FIRM crypto
****************************************************************/
/*****************************************************************/
static u8 __attribute__((aligned(4))) nandCTR[0x10];
static u8 nandSlot;
static u32 fatStart;
//Initialize the CTRNAND crypto
void ctrNandInit(void)
{
u8 __attribute__((aligned(4))) cid[0x10];
@ -326,7 +322,6 @@ void ctrNandInit(void)
}
}
//Read and decrypt from the selected CTRNAND
u32 ctrNandRead(u32 sector, u32 sectorCount, u8 *outbuf)
{
u8 __attribute__((aligned(4))) tmpCTR[0x10];
@ -350,8 +345,7 @@ u32 ctrNandRead(u32 sector, u32 sectorCount, u8 *outbuf)
return result;
}
//Sets the 7.x NCCH KeyX and the 6.x gamecard save data KeyY
void setRSAMod0DerivedKeys(void)
void set6x7xKeys(void)
{
if(!isDevUnit)
{
@ -404,7 +398,6 @@ void decryptNusFirm(u8 *inbuf, u8 *outbuf, u32 ncchSize)
decryptExeFs(outbuf);
}
//ARM9Loader replacement
void arm9Loader(u8 *arm9Section)
{
#ifdef DEV
@ -430,7 +423,7 @@ void arm9Loader(u8 *arm9Section)
//Firm keys
u8 __attribute__((aligned(4))) keyY[0x10];
u8 __attribute__((aligned(4))) arm9BinCTR[0x10];
u8 arm9BinSlot = a9lVersion != 0 ? 0x16 : 0x15;
u8 arm9BinSlot = a9lVersion > 0 ? 0x16 : 0x15;
//Setup keys needed for arm9bin decryption
memcpy(keyY, arm9Section + 0x10, 0x10);
@ -442,7 +435,7 @@ void arm9Loader(u8 *arm9Section)
for(u8 *tmp = arm9Section + 0x30; *tmp != 0; tmp++)
arm9BinSize = (arm9BinSize << 3) + (arm9BinSize << 1) + *tmp - '0';
if(a9lVersion)
if(a9lVersion > 0)
{
u8 __attribute__((aligned(4))) keyX[0x10];

2
source/crypto.h
View File

@ -107,7 +107,7 @@ extern FirmwareSource firmSource;
void ctrNandInit(void);
u32 ctrNandRead(u32 sector, u32 sectorCount, u8 *outbuf);
void setRSAMod0DerivedKeys(void);
void set6x7xKeys(void);
void decryptExeFs(u8 *inbuf);
void decryptNusFirm(u8 *inbuf, u8 *outbuf, u32 ncchSize);
void arm9Loader(u8 *arm9Section);

3
source/draw.c
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@ -77,7 +77,6 @@ void drawCharacter(char character, bool isTopScreen, u32 posX, u32 posY, u32 col
u32 drawString(const char *string, bool isTopScreen, u32 posX, u32 posY, u32 color)
{
for(u32 i = 0, line_i = 0; i < strlen(string); i++)
{
switch(string[i])
{
case '\n':
@ -104,7 +103,5 @@ u32 drawString(const char *string, bool isTopScreen, u32 posX, u32 posY, u32 col
break;
}
}
return posY;
}

2
source/firm.c
View File

@ -395,7 +395,7 @@ static inline void patchNativeFirm(u32 firmVersion, FirmwareSource nandType, u32
}
//Sets the 7.x NCCH KeyX and the 6.x gamecard save data KeyY on >= 6.0 O3DS FIRMs, if not using A9LH
else if(!isA9lh && firmVersion >= 0x29) setRSAMod0DerivedKeys();
else if(!isA9lh && firmVersion >= 0x29) set6x7xKeys();
//Find the Process9 .code location, size and memory address
u32 process9Size,