u-boot/arch/arm/lib/zimage.c
Christoph Fritz 02c038ddb3 arm: zimage: add barebox image magic number
For chainboot configurations or test environments, this patch allows
booting barebox images by using command bootz.

Signed-off-by: Christoph Fritz <chf.fritz@googlemail.com>
2019-05-09 20:21:59 -04:00

42 lines
887 B
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2016
* Ladislav Michl <ladis@linux-mips.org>
*
* bootz code:
* Copyright (C) 2012 Marek Vasut <marek.vasut@gmail.com>
*/
#include <common.h>
#define LINUX_ARM_ZIMAGE_MAGIC 0x016f2818
#define BAREBOX_IMAGE_MAGIC 0x00786f62
struct arm_z_header {
uint32_t code[9];
uint32_t zi_magic;
uint32_t zi_start;
uint32_t zi_end;
} __attribute__ ((__packed__));
int bootz_setup(ulong image, ulong *start, ulong *end)
{
struct arm_z_header *zi = (struct arm_z_header *)image;
if (zi->zi_magic != LINUX_ARM_ZIMAGE_MAGIC &&
zi->zi_magic != BAREBOX_IMAGE_MAGIC) {
#ifndef CONFIG_SPL_FRAMEWORK
puts("zimage: Bad magic!\n");
#endif
return 1;
}
*start = zi->zi_start;
*end = zi->zi_end;
#ifndef CONFIG_SPL_FRAMEWORK
printf("Kernel image @ %#08lx [ %#08lx - %#08lx ]\n",
image, *start, *end);
#endif
return 0;
}