LXR uboot/cmd/bootstage.c

   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * Copyright (c) 2012, Google Inc. All rights reserved.
   4 */
   5
   6#include <common.h>
   7#include <bootstage.h>
   8#include <command.h>
   9
  10static int do_bootstage_report(struct cmd_tbl *cmdtp, int flag, int argc,
  11                               char *const argv[])
  12{
  13        bootstage_report();
  14
  15        return 0;
  16}
  17
  18static int get_base_size(int argc, char *const argv[], ulong *basep,
  19                         ulong *sizep)
  20{
  21        char *endp;
  22
  23        *basep = CONFIG_BOOTSTAGE_STASH_ADDR;
  24        *sizep = CONFIG_BOOTSTAGE_STASH_SIZE;
  25        if (argc < 2)
  26                return 0;
  27        *basep = hextoul(argv[1], &endp);
  28        if (*argv[1] == 0 || *endp != 0)
  29                return -1;
  30        if (argc == 2)
  31                return 0;
  32        *sizep = hextoul(argv[2], &endp);
  33        if (*argv[2] == 0 || *endp != 0)
  34                return -1;
  35
  36        return 0;
  37}
  38
  39static int do_bootstage_stash(struct cmd_tbl *cmdtp, int flag, int argc,
  40                              char *const argv[])
  41{
  42        ulong base, size;
  43        int ret;
  44
  45        if (get_base_size(argc, argv, &base, &size))
  46                return CMD_RET_USAGE;
  47        if (base == -1UL) {
  48                printf("No bootstage stash area defined\n");
  49                return 1;
  50        }
  51
  52        if (0 == strcmp(argv[0], "stash"))
  53                ret = bootstage_stash((void *)base, size);
  54        else
  55                ret = bootstage_unstash((void *)base, size);
  56        if (ret)
  57                return 1;
  58
  59        return 0;
  60}
  61
  62static struct cmd_tbl cmd_bootstage_sub[] = {
  63        U_BOOT_CMD_MKENT(report, 2, 1, do_bootstage_report, "", ""),
  64        U_BOOT_CMD_MKENT(stash, 4, 0, do_bootstage_stash, "", ""),
  65        U_BOOT_CMD_MKENT(unstash, 4, 0, do_bootstage_stash, "", ""),
  66};
  67
  68/*
  69 * Process a bootstage sub-command
  70 */
  71static int do_boostage(struct cmd_tbl *cmdtp, int flag, int argc,
  72                       char *const argv[])
  73{
  74        struct cmd_tbl *c;
  75
  76        /* Strip off leading 'bootstage' command argument */
  77        argc--;
  78        argv++;
  79
  80        c = find_cmd_tbl(argv[0], cmd_bootstage_sub,
  81                         ARRAY_SIZE(cmd_bootstage_sub));
  82
  83        if (c)
  84                return c->cmd(cmdtp, flag, argc, argv);
  85        else
  86                return CMD_RET_USAGE;
  87}
  88
  89
  90U_BOOT_CMD(bootstage, 4, 1, do_boostage,
  91        "Boot stage command",
  92        " - check boot progress and timing\n"
  93        "report                      - Print a report\n"
  94        "stash [<start> [<size>]]    - Stash data into memory\n"
  95        "unstash [<start> [<size>]]  - Unstash data from memory"
  96);
  97