bootstage.c 2.0 KB

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