hob.c 3.7 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164
  1. // SPDX-License-Identifier: GPL-2.0+
  2. /*
  3. * Copyright (C) 2014-2015, Bin Meng <bmeng.cn@gmail.com>
  4. */
  5. #include <common.h>
  6. #include <command.h>
  7. #include <efi.h>
  8. #include <uuid.h>
  9. #include <asm/hob.h>
  10. #include <asm/fsp/fsp_hob.h>
  11. DECLARE_GLOBAL_DATA_PTR;
  12. static char *hob_type[] = {
  13. "reserved",
  14. "Hand-off",
  15. "Mem Alloc",
  16. "Res Desc",
  17. "GUID Ext",
  18. "FV",
  19. "CPU",
  20. "Mem Pool",
  21. "reserved",
  22. "FV2",
  23. "Load PEIM",
  24. "Capsule",
  25. };
  26. static char *res_type[] = {
  27. "System",
  28. "Memory-mapped I/O",
  29. "I/O",
  30. "Firmware device",
  31. "Memory-mapped I/O port",
  32. "Reserved",
  33. "I/O reserved",
  34. };
  35. static struct guid_name {
  36. efi_guid_t guid;
  37. const char *name;
  38. } guid_name[] = {
  39. { FSP_HOB_RESOURCE_OWNER_TSEG_GUID, "TSEG" },
  40. { FSP_HOB_RESOURCE_OWNER_FSP_GUID, "FSP" },
  41. { FSP_HOB_RESOURCE_OWNER_SMM_PEI_SMRAM_GUID, "SMM PEI SMRAM" },
  42. { FSP_NON_VOLATILE_STORAGE_HOB_GUID, "NVS" },
  43. { FSP_VARIABLE_NV_DATA_HOB_GUID, "Variable NVS" },
  44. { FSP_GRAPHICS_INFO_HOB_GUID, "Graphics info" },
  45. { FSP_HOB_RESOURCE_OWNER_PCD_DATABASE_GUID1, "PCD database ea" },
  46. { FSP_HOB_RESOURCE_OWNER_PCD_DATABASE_GUID2, "PCD database 9b" },
  47. { FSP_HOB_RESOURCE_OWNER_PEIM_DXE_GUID, "PEIM Init DXE" },
  48. { FSP_HOB_RESOURCE_OWNER_ALLOC_STACK_GUID, "Alloc stack" },
  49. { FSP_HOB_RESOURCE_OWNER_SMBIOS_MEMORY_GUID, "SMBIOS memory" },
  50. { {}, "zero-guid" },
  51. {}
  52. };
  53. static const char *guid_to_name(const efi_guid_t *guid)
  54. {
  55. struct guid_name *entry;
  56. for (entry = guid_name; entry->name; entry++) {
  57. if (!guidcmp(guid, &entry->guid))
  58. return entry->name;
  59. }
  60. return NULL;
  61. }
  62. static void show_hob_details(const struct hob_header *hdr)
  63. {
  64. const void *ptr = hdr;
  65. switch (hdr->type) {
  66. case HOB_TYPE_RES_DESC: {
  67. const struct hob_res_desc *res = ptr;
  68. const char *typename;
  69. typename = res->type > 0 && res->type <= RES_MAX_MEM_TYPE ?
  70. res_type[res->type] : "unknown";
  71. printf(" base = %08llx, len = %08llx, end = %08llx, type = %d (%s)\n\n",
  72. res->phys_start, res->len, res->phys_start + res->len,
  73. res->type, typename);
  74. break;
  75. }
  76. }
  77. }
  78. static int do_hob(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
  79. {
  80. const struct hob_header *hdr;
  81. uint type;
  82. char *desc;
  83. int i = 0;
  84. efi_guid_t *guid;
  85. char uuid[UUID_STR_LEN + 1];
  86. bool verbose = false;
  87. int seq = -1; /* Show all by default */
  88. argc--;
  89. argv++;
  90. if (argc) {
  91. if (!strcmp("-v", *argv)) {
  92. verbose = true;
  93. argc--;
  94. argv++;
  95. }
  96. if (argc)
  97. seq = simple_strtol(*argv, NULL, 16);
  98. }
  99. hdr = gd->arch.hob_list;
  100. printf("HOB list address: 0x%08x\n\n", (unsigned int)hdr);
  101. printf("# | Address | Type | Len | ");
  102. printf("%36s\n", "GUID");
  103. printf("---|----------|-----------|------|-");
  104. printf("------------------------------------\n");
  105. for (i = 0; !end_of_hob(hdr); i++, hdr = get_next_hob(hdr)) {
  106. if (seq != -1 && seq != i)
  107. continue;
  108. printf("%02x | %08x | ", i, (unsigned int)hdr);
  109. type = hdr->type;
  110. if (type == HOB_TYPE_UNUSED)
  111. desc = "*Unused*";
  112. else if (type == HOB_TYPE_EOH)
  113. desc = "*EOH*";
  114. else if (type >= 0 && type <= ARRAY_SIZE(hob_type))
  115. desc = hob_type[type];
  116. else
  117. desc = "*Invalid*";
  118. printf("%-9s | %04x | ", desc, hdr->len);
  119. if (type == HOB_TYPE_MEM_ALLOC || type == HOB_TYPE_RES_DESC ||
  120. type == HOB_TYPE_GUID_EXT) {
  121. const char *name;
  122. guid = (efi_guid_t *)(hdr + 1);
  123. name = guid_to_name(guid);
  124. if (!name) {
  125. uuid_bin_to_str(guid->b, uuid,
  126. UUID_STR_FORMAT_GUID);
  127. name = uuid;
  128. }
  129. printf("%36s", name);
  130. } else {
  131. printf("%36s", "Not Available");
  132. }
  133. printf("\n");
  134. if (verbose)
  135. show_hob_details(hdr);
  136. }
  137. return 0;
  138. }
  139. U_BOOT_CMD(hob, 3, 1, do_hob,
  140. "[-v] [seq] Print Hand-Off Block (HOB) information"
  141. " -v - Show detailed HOB information where available"
  142. " seq - Record # to show (all by default)",
  143. ""
  144. );