u-boot/arch/x86/lib/bootm.c

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/*
* (C) Copyright 2002
* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
* Marius Groeger <mgroeger@sysgo.de>
*
* Copyright (C) 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl)
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <command.h>
#include <image.h>
#include <u-boot/zlib.h>
#include <asm/bootparam.h>
#include <asm/byteorder.h>
#include <asm/zimage.h>
#define COMMAND_LINE_OFFSET 0x9000
/*cmd_boot.c*/
int do_bootm_linux(int flag, int argc, char * const argv[],
bootm_headers_t *images)
{
struct boot_params *base_ptr = NULL;
ulong os_data, os_len;
image_header_t *hdr;
void *load_address;
#if defined(CONFIG_FIT)
const void *data;
size_t len;
#endif
if (flag & BOOTM_STATE_OS_PREP)
return 0;
if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
return 1;
if (images->legacy_hdr_valid) {
hdr = images->legacy_hdr_os;
if (image_check_type(hdr, IH_TYPE_MULTI)) {
/* if multi-part image, we need to get first subimage */
image_multi_getimg(hdr, 0, &os_data, &os_len);
} else {
/* otherwise get image data */
os_data = image_get_data(hdr);
os_len = image_get_data_size(hdr);
}
#if defined(CONFIG_FIT)
} else if (images->fit_uname_os) {
int ret;
ret = fit_image_get_data(images->fit_hdr_os,
images->fit_noffset_os, &data, &len);
if (ret) {
puts("Can't get image data/size!\n");
goto error;
}
os_data = (ulong)data;
os_len = (ulong)len;
#endif
} else {
puts("Could not find kernel image!\n");
goto error;
}
#ifdef CONFIG_CMD_ZBOOT
base_ptr = load_zimage((void *)os_data, os_len, &load_address);
#endif
if (NULL == base_ptr) {
printf("## Kernel loading failed ...\n");
goto error;
}
if (setup_zimage(base_ptr, (char *)base_ptr + COMMAND_LINE_OFFSET,
0, images->rd_start,
images->rd_end - images->rd_start)) {
printf("## Setting up boot parameters failed ...\n");
goto error;
}
boot_zimage(base_ptr, load_address);
/* does not return */
error:
return 1;
}