mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2025-01-10 11:26:15 +00:00
39 lines
1.4 KiB
C
39 lines
1.4 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2018-2020 Atmosphère-NX
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify it
|
||
|
|
* under the terms and conditions of the GNU General Public License,
|
||
|
|
* version 2, as published by the Free Software Foundation.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope 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/>.
|
||
|
|
*/
|
||
|
|
#include <stdint.h>
|
||
|
|
#include <stddef.h>
|
||
|
|
#include <stdbool.h>
|
||
|
|
#include "lz4.h"
|
||
|
|
#include "utils.h"
|
||
|
|
|
||
|
|
#define PRIMARY_START (0x40008000)
|
||
|
|
#define PRIMARY_SIZE_MAX (0x28000)
|
||
|
|
#define PRIMARY_END (PRIMARY_START + PRIMARY_SIZE_MAX)
|
||
|
|
|
||
|
|
void load_fusee_primary_main(void *compressed_main, size_t main_size) {
|
||
|
|
/* Relocate the compressed binary to a place where we can safely decompress it. */
|
||
|
|
void *relocated_main = (void *)(PRIMARY_END - main_size);
|
||
|
|
loader_memmove(relocated_main, compressed_main, main_size);
|
||
|
|
|
||
|
|
/* Uncompress the compressed binary. */
|
||
|
|
lz4_uncompress((void *)PRIMARY_START, PRIMARY_SIZE_MAX, relocated_main, main_size);
|
||
|
|
|
||
|
|
/* Jump to the newly uncompressed binary. */
|
||
|
|
((void (*)(void))(PRIMARY_START))();
|
||
|
|
|
||
|
|
/* We will never reach this point. */
|
||
|
|
__builtin_unreachable();
|
||
|
|
}
|