mirror of
https://github.com/RIOT-OS/RIOT.git
synced 2024-12-29 04:50:03 +01:00
61 lines
1.3 KiB
C
61 lines
1.3 KiB
C
/*
|
|
* Copyright (C) 2017 Kaspar Schleiser <kaspar@schleiser.de>
|
|
* Inria
|
|
*
|
|
* This file is subject to the terms and conditions of the GNU Lesser
|
|
* General Public License v2.1. See the file LICENSE in the top level
|
|
* directory for more details.
|
|
*/
|
|
|
|
/**
|
|
* @ingroup bootloaders
|
|
* @{
|
|
*
|
|
* @file
|
|
* @brief Minimal riot-based bootloader
|
|
*
|
|
* @author Kaspar Schleiser <kaspar@schleiser.de>
|
|
* @author Francisco Acosta <francisco.acosta@inria.fr>
|
|
*
|
|
* @}
|
|
*/
|
|
|
|
#include "cpu.h"
|
|
#include "panic.h"
|
|
#include "riotboot/slot.h"
|
|
|
|
void kernel_init(void)
|
|
{
|
|
uint32_t version = 0;
|
|
int slot = -1;
|
|
|
|
for (unsigned i = 0; i < riotboot_slot_numof; i++) {
|
|
const riotboot_hdr_t *riot_hdr = riotboot_slot_get_hdr(i);
|
|
if (riotboot_slot_validate(i)) {
|
|
/* skip slot if metadata broken */
|
|
continue;
|
|
}
|
|
if (riot_hdr->start_addr != riotboot_slot_get_image_startaddr(i)) {
|
|
continue;
|
|
}
|
|
if (slot == -1 || riot_hdr->version > version) {
|
|
version = riot_hdr->version;
|
|
slot = i;
|
|
}
|
|
}
|
|
|
|
if (slot != -1) {
|
|
riotboot_slot_jump(slot);
|
|
}
|
|
|
|
/* serious trouble! nothing to boot */
|
|
while (1) {}
|
|
}
|
|
|
|
NORETURN void core_panic(core_panic_t crash_code, const char *message)
|
|
{
|
|
(void)crash_code;
|
|
(void)message;
|
|
while (1) {}
|
|
}
|