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Update firm.c

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TuxSH 2016-05-10 23:27:54 +02:00
parent edb5a82a89
commit d00d82ac89
1 changed files with 11 additions and 11 deletions
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source/firm.c
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@ -378,16 +378,16 @@ static inline void reimplementSvcBackdoor(u8 *arm11Section1)
if(freeSpace >= exceptionsPage + 0x400) return;
//Official implementation of svcBackdoor
freeSpace[0] = 0xE3CD10FF;
freeSpace[1] = 0xE3811C0F;
freeSpace[2] = 0xE2811028;
freeSpace[3] = 0xE5912000;
freeSpace[4] = 0xE9226000;
freeSpace[5] = 0xE1A0D002;
freeSpace[6] = 0xE12FFF30;
freeSpace[7] = 0xE8BD0003;
freeSpace[8] = 0xE1A0D000;
freeSpace[9] = 0xE12FFF11;
freeSpace[0] = 0xE3CD10FF; //bic r1, sp, #0xff
freeSpace[1] = 0xE3811C0F; //orr r1, r1, #0xf00
freeSpace[2] = 0xE2811028; //add r1, r1, #0x28
freeSpace[3] = 0xE5912000; //ldr r2, [r1]
freeSpace[4] = 0xE9226000; //stmdb r2!, {sp, lr}
freeSpace[5] = 0xE1A0D002; //mov sp, r2
freeSpace[6] = 0xE12FFF30; //blx r0
freeSpace[7] = 0xE8BD0003; //pop {r0, r1}
freeSpace[8] = 0xE1A0D000; //mov sp, r0
freeSpace[9] = 0xE12FFF11; //bx r1
svcTable[0x7B] = 0xFFFF0000 + ((u8 *)freeSpace - (u8 *) exceptionsPage);
}