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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/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)",
""
);
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