7fca71d0d6
Add a 'bootmeth' command to handle listing and ordering of boot methods. Signed-off-by: Simon Glass <sjg@chromium.org>
114 lines
2.5 KiB
C
114 lines
2.5 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* 'bootmeth' command
|
|
*
|
|
* Copyright 2021 Google LLC
|
|
* Written by Simon Glass <sjg@chromium.org>
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <bootdev.h>
|
|
#include <bootmeth.h>
|
|
#include <bootstd.h>
|
|
#include <command.h>
|
|
#include <dm.h>
|
|
#include <malloc.h>
|
|
#include <dm/uclass-internal.h>
|
|
|
|
static int do_bootmeth_list(struct cmd_tbl *cmdtp, int flag, int argc,
|
|
char *const argv[])
|
|
{
|
|
struct bootstd_priv *std;
|
|
struct udevice *dev;
|
|
bool use_order;
|
|
bool all = false;
|
|
int ret;
|
|
int i;
|
|
|
|
if (argc > 1 && *argv[1] == '-') {
|
|
all = strchr(argv[1], 'a');
|
|
argc--;
|
|
argv++;
|
|
}
|
|
|
|
ret = bootstd_get_priv(&std);
|
|
if (ret) {
|
|
printf("Cannot get bootstd (err=%d)\n", ret);
|
|
return CMD_RET_FAILURE;
|
|
}
|
|
|
|
printf("Order Seq Name Description\n");
|
|
printf("----- --- ------------------ ------------------\n");
|
|
|
|
/*
|
|
* Use the ordering if we have one, so long as we are not trying to list
|
|
* all bootmethds
|
|
*/
|
|
use_order = std->bootmeth_count && !all;
|
|
if (use_order)
|
|
dev = std->bootmeth_order[0];
|
|
else
|
|
ret = uclass_find_first_device(UCLASS_BOOTMETH, &dev);
|
|
|
|
for (i = 0; dev;) {
|
|
struct bootmeth_uc_plat *ucp = dev_get_uclass_plat(dev);
|
|
int order = i;
|
|
|
|
/*
|
|
* With the -a flag we may list bootdevs that are not in the
|
|
* ordering. Find their place in the order
|
|
*/
|
|
if (all && std->bootmeth_count) {
|
|
int j;
|
|
|
|
/* Find the position of this bootmeth in the order */
|
|
order = -1;
|
|
for (j = 0; j < std->bootmeth_count; j++) {
|
|
if (std->bootmeth_order[j] == dev)
|
|
order = j;
|
|
}
|
|
}
|
|
|
|
if (order == -1)
|
|
printf("%5s", "-");
|
|
else
|
|
printf("%5x", order);
|
|
printf(" %3x %-19.19s %s\n", dev_seq(dev), dev->name,
|
|
ucp->desc);
|
|
i++;
|
|
if (use_order)
|
|
dev = std->bootmeth_order[i];
|
|
else
|
|
uclass_find_next_device(&dev);
|
|
}
|
|
printf("----- --- ------------------ ------------------\n");
|
|
printf("(%d bootmeth%s)\n", i, i != 1 ? "s" : "");
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int do_bootmeth_order(struct cmd_tbl *cmdtp, int flag, int argc,
|
|
char *const argv[])
|
|
{
|
|
int ret;
|
|
|
|
ret = bootmeth_set_order(argv[1]);
|
|
if (ret) {
|
|
printf("Failed (err=%d)\n", ret);
|
|
return CMD_RET_FAILURE;
|
|
}
|
|
env_set("bootmeths", argv[1]);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#ifdef CONFIG_SYS_LONGHELP
|
|
static char bootmeth_help_text[] =
|
|
"list [-a] - list available bootmeths (-a all)\n"
|
|
"bootmeth order [<bd> ...] - select bootmeth order / subset to use";
|
|
#endif
|
|
|
|
U_BOOT_CMD_WITH_SUBCMDS(bootmeth, "Boot methods", bootmeth_help_text,
|
|
U_BOOT_SUBCMD_MKENT(list, 2, 1, do_bootmeth_list),
|
|
U_BOOT_SUBCMD_MKENT(order, CONFIG_SYS_MAXARGS, 1, do_bootmeth_order));
|