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Luma3DS-3GX/loader/source/firm.c
2017-05-19 22:07:12 +02:00

45 lines
1.7 KiB
C

/*
* This file is part of Luma3DS
* Copyright (C) 2017 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 "firm.h"
#include "memory.h"
#include "cache.h"
void launchFirm(Firm *firm, int argc, char **argv)
{
//Copy FIRM sections to respective memory locations
for(u32 sectionNum = 0; sectionNum < 4 && firm->section[sectionNum].size != 0; sectionNum++)
memcpy(firm->section[sectionNum].address, (u8 *)firm + firm->section[sectionNum].offset, firm->section[sectionNum].size);
//Set ARM11 entrypoint
*(vu32 *)0x1FFFFFFC = (u32)firm->arm11Entry;
//Ensure that all memory transfers have completed and that the caches have been flushed
flushCaches();
//Jump to ARM9 entrypoint. Also give it additional arguments it can dismiss
((void (*)(int, char**, u32))firm->arm9Entry)(argc, argv, 0x0000BEEF);
__builtin_unreachable();
}