Commit 2eba38cf849c9804aac6cf75a6aea590e8d7bf35

Authored by Simon Glass
Committed by Anatolij Gustschin
1 parent fcf509b807

bootstage: Add bootstage command

Now that there are a few features, add a bootstage command to access them.

bootstage report - prints a report
bootstage stash/unstash - stashes bootstage records in memory, reads them back

Signed-off-by: Simon Glass <sjg@chromium.org>

Showing 3 changed files with 121 additions and 0 deletions Side-by-side Diff

... ... @@ -2384,6 +2384,10 @@
2384 2384 29,916,167 26,005,792 bootm_start
2385 2385 30,361,327 445,160 start_kernel
2386 2386  
  2387 + CONFIG_CMD_BOOTSTAGE
  2388 + Add a 'bootstage' command which supports printing a report
  2389 + and un/stashing of bootstage data.
  2390 +
2387 2391 CONFIG_BOOTSTAGE_FDT
2388 2392 Stash the bootstage information in the FDT. A root 'bootstage'
2389 2393 node is created with each bootstage id as a child. Each child
... ... @@ -69,6 +69,7 @@
69 69 COBJS-$(CONFIG_CMD_BEDBUG) += bedbug.o cmd_bedbug.o
70 70 COBJS-$(CONFIG_CMD_BMP) += cmd_bmp.o
71 71 COBJS-$(CONFIG_CMD_BOOTLDR) += cmd_bootldr.o
  72 +COBJS-$(CONFIG_CMD_BOOTSTAGE) += cmd_bootstage.o
72 73 COBJS-$(CONFIG_CMD_CACHE) += cmd_cache.o
73 74 COBJS-$(CONFIG_CMD_CONSOLE) += cmd_console.o
74 75 COBJS-$(CONFIG_CMD_CPLBINFO) += cmd_cplbinfo.o
common/cmd_bootstage.c
  1 +/*
  2 + * Copyright (c) 2012, Google Inc. All rights reserved.
  3 + *
  4 + * See file CREDITS for list of people who contributed to this
  5 + * project.
  6 + *
  7 + * This program is free software; you can redistribute it and/or
  8 + * modify it under the terms of the GNU General Public License as
  9 + * published by the Free Software Foundation; either version 2 of
  10 + * the License, or (at your option) any later version.
  11 + *
  12 + * This program is distributed in the hope that it will be useful,
  13 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15 + * GNU General Public License for more details.
  16 + *
  17 + * You should have received a copy of the GNU General Public License
  18 + * along with this program; if not, write to the Free Software
  19 + * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  20 + * MA 02111-1307 USA
  21 + */
  22 +
  23 +#include <common.h>
  24 +
  25 +#ifndef CONFIG_BOOTSTAGE_STASH
  26 +#define CONFIG_BOOTSTAGE_STASH -1UL
  27 +#define CONFIG_BOOTSTAGE_STASH_SIZE -1
  28 +#endif
  29 +
  30 +static int do_bootstage_report(cmd_tbl_t *cmdtp, int flag, int argc,
  31 + char * const argv[])
  32 +{
  33 + bootstage_report();
  34 +
  35 + return 0;
  36 +}
  37 +
  38 +static int get_base_size(int argc, char * const argv[], ulong *basep,
  39 + ulong *sizep)
  40 +{
  41 + char *endp;
  42 +
  43 + *basep = CONFIG_BOOTSTAGE_STASH;
  44 + *sizep = CONFIG_BOOTSTAGE_STASH_SIZE;
  45 + if (argc < 2)
  46 + return 0;
  47 + *basep = simple_strtoul(argv[1], &endp, 16);
  48 + if (*argv[1] == 0 || *endp != 0)
  49 + return -1;
  50 + if (argc == 2)
  51 + return 0;
  52 + *sizep = simple_strtoul(argv[2], &endp, 16);
  53 + if (*argv[2] == 0 || *endp != 0)
  54 + return -1;
  55 +
  56 + return 0;
  57 +}
  58 +
  59 +static int do_bootstage_stash(cmd_tbl_t *cmdtp, int flag, int argc,
  60 + char * const argv[])
  61 +{
  62 + ulong base, size;
  63 + int ret;
  64 +
  65 + if (get_base_size(argc, argv, &base, &size))
  66 + return CMD_RET_USAGE;
  67 + if (base == -1UL) {
  68 + printf("No bootstage stash area defined\n");
  69 + return 1;
  70 + }
  71 +
  72 + if (0 == strcmp(argv[0], "stash"))
  73 + ret = bootstage_stash((void *)base, size);
  74 + else
  75 + ret = bootstage_unstash((void *)base, size);
  76 + if (ret)
  77 + return 1;
  78 +
  79 + return 0;
  80 +}
  81 +
  82 +static cmd_tbl_t cmd_bootstage_sub[] = {
  83 + U_BOOT_CMD_MKENT(report, 2, 1, do_bootstage_report, "", ""),
  84 + U_BOOT_CMD_MKENT(stash, 4, 0, do_bootstage_stash, "", ""),
  85 + U_BOOT_CMD_MKENT(unstash, 4, 0, do_bootstage_stash, "", ""),
  86 +};
  87 +
  88 +/*
  89 + * Process a bootstage sub-command
  90 + */
  91 +static int do_boostage(cmd_tbl_t *cmdtp, int flag, int argc,
  92 + char * const argv[])
  93 +{
  94 + cmd_tbl_t *c;
  95 +
  96 + /* Strip off leading 'bootstage' command argument */
  97 + argc--;
  98 + argv++;
  99 +
  100 + c = find_cmd_tbl(argv[0], cmd_bootstage_sub,
  101 + ARRAY_SIZE(cmd_bootstage_sub));
  102 +
  103 + if (c)
  104 + return c->cmd(cmdtp, flag, argc, argv);
  105 + else
  106 + return CMD_RET_USAGE;
  107 +}
  108 +
  109 +
  110 +U_BOOT_CMD(bootstage, 4, 1, do_boostage,
  111 + "Boot stage command",
  112 + " - check boot progress and timing\n"
  113 + "report - Print a report\n"
  114 + "stash [<start> [<size>]] - Stash data into memory\n"
  115 + "unstash [<start> [<size>]] - Unstash data from memory"
  116 +);