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// 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));
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