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