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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * Copyright (C) 2014-2015, Bin Meng <bmeng.cn@gmail.com>
- */
- #include <common.h>
- #include <command.h>
- #include <efi.h>
- #include <uuid.h>
- #include <asm/hob.h>
- #include <asm/fsp/fsp_hob.h>
- DECLARE_GLOBAL_DATA_PTR;
- static char *hob_type[] = {
- "reserved",
- "Hand-off",
- "Mem Alloc",
- "Res Desc",
- "GUID Ext",
- "FV",
- "CPU",
- "Mem Pool",
- "reserved",
- "FV2",
- "Load PEIM",
- "Capsule",
- };
- static char *res_type[] = {
- "System",
- "Memory-mapped I/O",
- "I/O",
- "Firmware device",
- "Memory-mapped I/O port",
- "Reserved",
- "I/O reserved",
- };
- static struct guid_name {
- efi_guid_t guid;
- const char *name;
- } guid_name[] = {
- { FSP_HOB_RESOURCE_OWNER_TSEG_GUID, "TSEG" },
- { FSP_HOB_RESOURCE_OWNER_FSP_GUID, "FSP" },
- { FSP_HOB_RESOURCE_OWNER_SMM_PEI_SMRAM_GUID, "SMM PEI SMRAM" },
- { FSP_NON_VOLATILE_STORAGE_HOB_GUID, "NVS" },
- { FSP_VARIABLE_NV_DATA_HOB_GUID, "Variable NVS" },
- { FSP_GRAPHICS_INFO_HOB_GUID, "Graphics info" },
- { FSP_HOB_RESOURCE_OWNER_PCD_DATABASE_GUID1, "PCD database ea" },
- { FSP_HOB_RESOURCE_OWNER_PCD_DATABASE_GUID2, "PCD database 9b" },
- { FSP_HOB_RESOURCE_OWNER_PEIM_DXE_GUID, "PEIM Init DXE" },
- { FSP_HOB_RESOURCE_OWNER_ALLOC_STACK_GUID, "Alloc stack" },
- { FSP_HOB_RESOURCE_OWNER_SMBIOS_MEMORY_GUID, "SMBIOS memory" },
- { {}, "zero-guid" },
- {}
- };
- static const char *guid_to_name(const efi_guid_t *guid)
- {
- struct guid_name *entry;
- for (entry = guid_name; entry->name; entry++) {
- if (!guidcmp(guid, &entry->guid))
- return entry->name;
- }
- return NULL;
- }
- static void show_hob_details(const struct hob_header *hdr)
- {
- const void *ptr = hdr;
- switch (hdr->type) {
- case HOB_TYPE_RES_DESC: {
- const struct hob_res_desc *res = ptr;
- const char *typename;
- typename = res->type > 0 && res->type <= RES_MAX_MEM_TYPE ?
- res_type[res->type] : "unknown";
- printf(" base = %08llx, len = %08llx, end = %08llx, type = %d (%s)\n\n",
- res->phys_start, res->len, res->phys_start + res->len,
- res->type, typename);
- break;
- }
- }
- }
- static int do_hob(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
- {
- const struct hob_header *hdr;
- uint type;
- char *desc;
- int i = 0;
- efi_guid_t *guid;
- char uuid[UUID_STR_LEN + 1];
- bool verbose = false;
- int seq = -1; /* Show all by default */
- argc--;
- argv++;
- if (argc) {
- if (!strcmp("-v", *argv)) {
- verbose = true;
- argc--;
- argv++;
- }
- if (argc)
- seq = simple_strtol(*argv, NULL, 16);
- }
- hdr = gd->arch.hob_list;
- printf("HOB list address: 0x%08x\n\n", (unsigned int)hdr);
- printf("# | Address | Type | Len | ");
- printf("%36s\n", "GUID");
- printf("---|----------|-----------|------|-");
- printf("------------------------------------\n");
- for (i = 0; !end_of_hob(hdr); i++, hdr = get_next_hob(hdr)) {
- if (seq != -1 && seq != i)
- continue;
- printf("%02x | %08x | ", i, (unsigned int)hdr);
- type = hdr->type;
- if (type == HOB_TYPE_UNUSED)
- desc = "*Unused*";
- else if (type == HOB_TYPE_EOH)
- desc = "*EOH*";
- else if (type >= 0 && type <= ARRAY_SIZE(hob_type))
- desc = hob_type[type];
- else
- desc = "*Invalid*";
- printf("%-9s | %04x | ", desc, hdr->len);
- if (type == HOB_TYPE_MEM_ALLOC || type == HOB_TYPE_RES_DESC ||
- type == HOB_TYPE_GUID_EXT) {
- const char *name;
- guid = (efi_guid_t *)(hdr + 1);
- name = guid_to_name(guid);
- if (!name) {
- uuid_bin_to_str(guid->b, uuid,
- UUID_STR_FORMAT_GUID);
- name = uuid;
- }
- printf("%36s", name);
- } else {
- printf("%36s", "Not Available");
- }
- printf("\n");
- if (verbose)
- show_hob_details(hdr);
- }
- return 0;
- }
- U_BOOT_CMD(hob, 3, 1, do_hob,
- "[-v] [seq] Print Hand-Off Block (HOB) information"
- " -v - Show detailed HOB information where available"
- " seq - Record # to show (all by default)",
- ""
- );
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