| /* |
| * Copyright (c) 2012, Google Inc. All rights reserved. |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| #include <common.h> |
| |
| #ifndef CONFIG_BOOTSTAGE_STASH |
| #define CONFIG_BOOTSTAGE_STASH -1UL |
| #define CONFIG_BOOTSTAGE_STASH_SIZE -1 |
| #endif |
| |
| 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; |
| *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" |
| ); |