u-boot/arch/x86/lib/bootm.c
Simon Glass 7949703a95 x86: Rationalise kernel booting logic and bootstage
The 'Starting linux' message appears twice in the code, but both call
through the same place. Unify these and add calls to bootstage to
mark the occasion.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Michael Spang <spang@chromium.org>
Acked-by: Graeme Russ <graeme.russ@gmail.com>
2013-05-13 13:33:20 -07:00

101 lines
2.6 KiB
C

/*
* (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)
*
* See file CREDITS for list of people who contributed to this
* project.
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#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 != 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) {
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;
}