mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-25 04:23:46 +00:00
49c3a861d1
Add the ability to break the steps of the bootm command into several subcommands: start, loados, ramdisk, fdt, bdt, cmdline, prep, go. This allows us to do things like manipulate device trees before they are passed to a booting kernel or setup memory for a secondary core in multicore situations. Not all OS types support all subcommands (currently only start, loados, ramdisk, fdt, and go are supported). Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
/*
|
|
* (C) Copyright 2007 Michal Simek
|
|
* (C) Copyright 2004 Atmark Techno, Inc.
|
|
*
|
|
* Michal SIMEK <monstr@monstr.eu>
|
|
* Yasushi SHOJI <yashi@atmark-techno.com>
|
|
*
|
|
* 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 <zlib.h>
|
|
#include <asm/byteorder.h>
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
|
|
{
|
|
/* First parameter is mapped to $r5 for kernel boot args */
|
|
void (*theKernel) (char *);
|
|
char *commandline = getenv ("bootargs");
|
|
|
|
if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
|
|
return 1;
|
|
|
|
theKernel = (void (*)(char *))images->ep;
|
|
|
|
show_boot_progress (15);
|
|
|
|
#ifdef DEBUG
|
|
printf ("## Transferring control to Linux (at address %08lx) ...\n",
|
|
(ulong) theKernel);
|
|
#endif
|
|
|
|
theKernel (commandline);
|
|
/* does not return */
|
|
|
|
return 1;
|
|
}
|