mirror of
https://github.com/smaeul/u-boot.git
synced 2025-10-25 01:58:13 +01:00
7e5f460ec4
It is a pain to have to specify the value 16 in each call. Add a new hextoul() function and update the code to use it. Add a proper comment to simple_strtoul() while we are here. Signed-off-by: Simon Glass <sjg@chromium.org>
112 lines
2.8 KiB
C
112 lines
2.8 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* (C) Copyright 2000-2009
|
|
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <bootm.h>
|
|
#include <command.h>
|
|
#include <image.h>
|
|
#include <irq_func.h>
|
|
#include <lmb.h>
|
|
#include <log.h>
|
|
#include <linux/compiler.h>
|
|
|
|
int __weak bootz_setup(ulong image, ulong *start, ulong *end)
|
|
{
|
|
/* Please define bootz_setup() for your platform */
|
|
|
|
puts("Your platform's zImage format isn't supported yet!\n");
|
|
return -1;
|
|
}
|
|
|
|
/*
|
|
* zImage booting support
|
|
*/
|
|
static int bootz_start(struct cmd_tbl *cmdtp, int flag, int argc,
|
|
char *const argv[], bootm_headers_t *images)
|
|
{
|
|
int ret;
|
|
ulong zi_start, zi_end;
|
|
|
|
ret = do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START,
|
|
images, 1);
|
|
|
|
/* Setup Linux kernel zImage entry point */
|
|
if (!argc) {
|
|
images->ep = image_load_addr;
|
|
debug("* kernel: default image load address = 0x%08lx\n",
|
|
image_load_addr);
|
|
} else {
|
|
images->ep = hextoul(argv[0], NULL);
|
|
debug("* kernel: cmdline image address = 0x%08lx\n",
|
|
images->ep);
|
|
}
|
|
|
|
ret = bootz_setup(images->ep, &zi_start, &zi_end);
|
|
if (ret != 0)
|
|
return 1;
|
|
|
|
lmb_reserve(&images->lmb, images->ep, zi_end - zi_start);
|
|
|
|
/*
|
|
* Handle the BOOTM_STATE_FINDOTHER state ourselves as we do not
|
|
* have a header that provide this informaiton.
|
|
*/
|
|
if (bootm_find_images(flag, argc, argv, images->ep, zi_end - zi_start))
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int do_bootz(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
|
|
{
|
|
int ret;
|
|
|
|
/* Consume 'bootz' */
|
|
argc--; argv++;
|
|
|
|
if (bootz_start(cmdtp, flag, argc, argv, &images))
|
|
return 1;
|
|
|
|
/*
|
|
* We are doing the BOOTM_STATE_LOADOS state ourselves, so must
|
|
* disable interrupts ourselves
|
|
*/
|
|
bootm_disable_interrupts();
|
|
|
|
images.os.os = IH_OS_LINUX;
|
|
ret = do_bootm_states(cmdtp, flag, argc, argv,
|
|
#ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
|
|
BOOTM_STATE_RAMDISK |
|
|
#endif
|
|
BOOTM_STATE_OS_PREP | BOOTM_STATE_OS_FAKE_GO |
|
|
BOOTM_STATE_OS_GO,
|
|
&images, 1);
|
|
|
|
return ret;
|
|
}
|
|
|
|
#ifdef CONFIG_SYS_LONGHELP
|
|
static char bootz_help_text[] =
|
|
"[addr [initrd[:size]] [fdt]]\n"
|
|
" - boot Linux zImage stored in memory\n"
|
|
"\tThe argument 'initrd' is optional and specifies the address\n"
|
|
"\tof the initrd in memory. The optional argument ':size' allows\n"
|
|
"\tspecifying the size of RAW initrd.\n"
|
|
#if defined(CONFIG_OF_LIBFDT)
|
|
"\tWhen booting a Linux kernel which requires a flat device-tree\n"
|
|
"\ta third argument is required which is the address of the\n"
|
|
"\tdevice-tree blob. To boot that kernel without an initrd image,\n"
|
|
"\tuse a '-' for the second argument. If you do not pass a third\n"
|
|
"\ta bd_info struct will be passed instead\n"
|
|
#endif
|
|
"";
|
|
#endif
|
|
|
|
U_BOOT_CMD(
|
|
bootz, CONFIG_SYS_MAXARGS, 1, do_bootz,
|
|
"boot Linux zImage image from memory", bootz_help_text
|
|
);
|