diff options
Diffstat (limited to 'roms/u-boot/cmd/x86/hob.c')
| -rw-r--r-- | roms/u-boot/cmd/x86/hob.c | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/roms/u-boot/cmd/x86/hob.c b/roms/u-boot/cmd/x86/hob.c new file mode 100644 index 000000000..01db93eb3 --- /dev/null +++ b/roms/u-boot/cmd/x86/hob.c @@ -0,0 +1,165 @@ +// 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/global_data.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)", + "" +); |