LXR uboot/cmd/bootstage.c

   1/*
   2 * Copyright (c) 2012, Google Inc. All rights reserved.
   3 *
   4 * SPDX-License-Identifier:     GPL-2.0+
   5 */
   6
   7#include <common.h>
   8
   9static int do_bootstage_report(cmd_tbl_t *cmdtp, int flag, int argc,
  10                               char * const argv[])
  11{
  12        bootstage_report();
  13
  14        return 0;
  15}
  16
  17static int get_base_size(int argc, char * const argv[], ulong *basep,
  18                         ulong *sizep)
  19{
  20        char *endp;
  21
  22        *basep = CONFIG_BOOTSTAGE_STASH_ADDR;
  23        *sizep = CONFIG_BOOTSTAGE_STASH_SIZE;
  24        if (argc < 2)
  25                return 0;
  26        *basep = simple_strtoul(argv[1], &endp, 16);
  27        if (*argv[1] == 0 || *endp != 0)
  28                return -1;
  29        if (argc == 2)
  30                return 0;
  31        *sizep = simple_strtoul(argv[2], &endp, 16);
  32        if (*argv[2] == 0 || *endp != 0)
  33                return -1;
  34
  35        return 0;
  36}
  37
  38static int do_bootstage_stash(cmd_tbl_t *cmdtp, int flag, int argc,
  39                              char * const argv[])
  40{
  41        ulong base, size;
  42        int ret;
  43
  44        if (get_base_size(argc, argv, &base, &size))
  45                return CMD_RET_USAGE;
  46        if (base == -1UL) {
  47                printf("No bootstage stash area defined\n");
  48                return 1;
  49        }
  50
  51        if (0 == strcmp(argv[0], "stash"))
  52                ret = bootstage_stash((void *)base, size);
  53        else
  54                ret = bootstage_unstash((void *)base, size);
  55        if (ret)
  56                return 1;
  57
  58        return 0;
  59}
  60
  61static cmd_tbl_t cmd_bootstage_sub[] = {
  62        U_BOOT_CMD_MKENT(report, 2, 1, do_bootstage_report, "", ""),
  63        U_BOOT_CMD_MKENT(stash, 4, 0, do_bootstage_stash, "", ""),
  64        U_BOOT_CMD_MKENT(unstash, 4, 0, do_bootstage_stash, "", ""),
  65};
  66
  67/*
  68 * Process a bootstage sub-command
  69 */
  70static int do_boostage(cmd_tbl_t *cmdtp, int flag, int argc,
  71                       char * const argv[])
  72{
  73        cmd_tbl_t *c;
  74
  75        /* Strip off leading 'bootstage' command argument */
  76        argc--;
  77        argv++;
  78
  79        c = find_cmd_tbl(argv[0], cmd_bootstage_sub,
  80                         ARRAY_SIZE(cmd_bootstage_sub));
  81
  82        if (c)
  83                return c->cmd(cmdtp, flag, argc, argv);
  84        else
  85                return CMD_RET_USAGE;
  86}
  87
  88
  89U_BOOT_CMD(bootstage, 4, 1, do_boostage,
  90        "Boot stage command",
  91        " - check boot progress and timing\n"
  92        "report                      - Print a report\n"
  93        "stash [<start> [<size>]]    - Stash data into memory\n"
  94        "unstash [<start> [<size>]]  - Unstash data from memory"
  95);
  96