xref: /OK3568_Linux_fs/u-boot/arch/arm/lib/zimage.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright (C) 2016
3*4882a593Smuzhiyun  * Ladislav Michl <ladis@linux-mips.org>
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * bootz code:
6*4882a593Smuzhiyun  * Copyright (C) 2012 Marek Vasut <marek.vasut@gmail.com>
7*4882a593Smuzhiyun  *
8*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
9*4882a593Smuzhiyun  */
10*4882a593Smuzhiyun #include <common.h>
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun #define	LINUX_ARM_ZIMAGE_MAGIC	0x016f2818
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun struct arm_z_header {
15*4882a593Smuzhiyun 	uint32_t	code[9];
16*4882a593Smuzhiyun 	uint32_t	zi_magic;
17*4882a593Smuzhiyun 	uint32_t	zi_start;
18*4882a593Smuzhiyun 	uint32_t	zi_end;
19*4882a593Smuzhiyun } __attribute__ ((__packed__));
20*4882a593Smuzhiyun 
bootz_setup(ulong image,ulong * start,ulong * end)21*4882a593Smuzhiyun int bootz_setup(ulong image, ulong *start, ulong *end)
22*4882a593Smuzhiyun {
23*4882a593Smuzhiyun 	struct arm_z_header *zi = (struct arm_z_header *)image;
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun 	if (zi->zi_magic != LINUX_ARM_ZIMAGE_MAGIC) {
26*4882a593Smuzhiyun #ifndef CONFIG_SPL_FRAMEWORK
27*4882a593Smuzhiyun 		puts("Bad Linux ARM zImage magic!\n");
28*4882a593Smuzhiyun #endif
29*4882a593Smuzhiyun 		return 1;
30*4882a593Smuzhiyun 	}
31*4882a593Smuzhiyun 
32*4882a593Smuzhiyun 	*start = zi->zi_start;
33*4882a593Smuzhiyun 	*end = zi->zi_end;
34*4882a593Smuzhiyun #ifndef CONFIG_SPL_FRAMEWORK
35*4882a593Smuzhiyun 	printf("Kernel image @ %#08lx [ %#08lx - %#08lx ]\n",
36*4882a593Smuzhiyun 	       image, *start, *end);
37*4882a593Smuzhiyun #endif
38*4882a593Smuzhiyun 
39*4882a593Smuzhiyun 	return 0;
40*4882a593Smuzhiyun }
41