SafeA9LHInstaller/loader/source/main.c

/*
*   This file is part of Luma3DS
*   Copyright (C) 2016 Aurora Wright, TuxSH
*
*   This program is free software: you can redistribute it and/or modify
*   it under the terms of the GNU General Public License as published by
*   the Free Software Foundation, either version 3 of the License, or
*   (at your option) any later version.
*
*   This program is distributed in the hope that it will be useful,
*   but WITHOUT ANY WARRANTY; without even the implied warranty of
*   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*   GNU General Public License for more details.
*
*   You should have received a copy of the GNU General Public License
*   along with this program.  If not, see <http://www.gnu.org/licenses/>.
*
*   Additional Terms 7.b of GPLv3 applies to this file: Requiring preservation of specified
*   reasonable legal notices or author attributions in that material or in the Appropriate Legal
*   Notices displayed by works containing it.
*/

#include "memory.h"
#include "../build/bundled.h"

#define A11_PAYLOAD_LOC 0x1FFF4C80 //Keep in mind this needs to be changed in the ld script for arm11 too
#define A11_ENTRYPOINT  0x1FFFFFF8

static inline void ownArm11(void)
{
    memcpy((void *)A11_PAYLOAD_LOC, arm11_bin, arm11_bin_size);

    *(vu32 *)A11_ENTRYPOINT = 1;
    *(vu32 *)0x1FFAED80 = 0xE51FF004;
    *(vu32 *)0x1FFAED84 = A11_PAYLOAD_LOC;
    *(vu8 *)0x1FFFFFF0 = 2;
    while(*(vu32 *)A11_ENTRYPOINT != 0);
}

void main(void)
{
    ownArm11();

    vu32 *payloadAddress = (vu32 *)0x23F00000;
    payloadAddress[1] = 0xDEADCAFE;

    //Ensure that all memory transfers have completed and that the caches have been flushed
    ((void (*)())0xFFFF0830)();
    ((void (*)())0xFFFF0AB4)();

    ((void (*)())payloadAddress)();
}