bootstage.c
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/*
* Copyright (c) 2012, Google Inc. All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
static int do_bootstage_report(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[])
{
bootstage_report();
return 0;
}
static int get_base_size(int argc, char * const argv[], ulong *basep,
ulong *sizep)
{
char *endp;
*basep = CONFIG_BOOTSTAGE_STASH_ADDR;
*sizep = CONFIG_BOOTSTAGE_STASH_SIZE;
if (argc < 2)
return 0;
*basep = simple_strtoul(argv[1], &endp, 16);
if (*argv[1] == 0 || *endp != 0)
return -1;
if (argc == 2)
return 0;
*sizep = simple_strtoul(argv[2], &endp, 16);
if (*argv[2] == 0 || *endp != 0)
return -1;
return 0;
}
static int do_bootstage_stash(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[])
{
ulong base, size;
int ret;
if (get_base_size(argc, argv, &base, &size))
return CMD_RET_USAGE;
if (base == -1UL) {
printf("No bootstage stash area defined\n");
return 1;
}
if (0 == strcmp(argv[0], "stash"))
ret = bootstage_stash((void *)base, size);
else
ret = bootstage_unstash((void *)base, size);
if (ret)
return 1;
return 0;
}
static cmd_tbl_t cmd_bootstage_sub[] = {
U_BOOT_CMD_MKENT(report, 2, 1, do_bootstage_report, "", ""),
U_BOOT_CMD_MKENT(stash, 4, 0, do_bootstage_stash, "", ""),
U_BOOT_CMD_MKENT(unstash, 4, 0, do_bootstage_stash, "", ""),
};
/*
* Process a bootstage sub-command
*/
static int do_boostage(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[])
{
cmd_tbl_t *c;
/* Strip off leading 'bootstage' command argument */
argc--;
argv++;
c = find_cmd_tbl(argv[0], cmd_bootstage_sub,
ARRAY_SIZE(cmd_bootstage_sub));
if (c)
return c->cmd(cmdtp, flag, argc, argv);
else
return CMD_RET_USAGE;
}
U_BOOT_CMD(bootstage, 4, 1, do_boostage,
"Boot stage command",
" - check boot progress and timing\n"
"report - Print a report\n"
"stash [<start> [<size>]] - Stash data into memory\n"
"unstash [<start> [<size>]] - Unstash data from memory"
);