u-boot/arch/x86/lib/cmd_hob.c

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/*
* Copyright (C) 2014, Bin Meng <bmeng.cn@gmail.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <command.h>
#include <linux/compiler.h>
#include <asm/arch/fsp/fsp_support.h>
DECLARE_GLOBAL_DATA_PTR;
static char *hob_type[] = {
"reserved",
"Hand-off",
"Memory Allocation",
"Resource Descriptor",
"GUID Extension",
"Firmware Volumn",
"CPU",
"Memory Pool",
"reserved",
"Firmware Volumn 2",
"Load PEIM Unused",
"UEFI Capsule",
};
int do_hob(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
union hob_pointers_t hob;
u16 type;
char *desc;
int i = 0;
hob.raw = (u8 *)gd->arch.hob_list;
printf("HOB list address: 0x%08x\n\n", (unsigned int)hob.raw);
printf("No. | Address | Type | Length in Bytes\n");
printf("----|----------|---------------------|----------------\n");
while (!END_OF_HOB(hob)) {
printf("%-3d | %08x | ", i, (unsigned int)hob.raw);
type = hob.hdr->type;
if (type == HOB_TYPE_UNUSED)
desc = "*Unused*";
else if (type == HOB_TYPE_EOH)
desc = "**END OF HOB**";
else if (type >= 0 && type <= ARRAY_SIZE(hob_type))
desc = hob_type[type];
else
desc = "!!!Invalid Type!!!";
printf("%-19s | %-15d\n", desc, hob.hdr->len);
hob.raw = GET_NEXT_HOB(hob);
i++;
}
return 0;
}
/* -------------------------------------------------------------------- */
U_BOOT_CMD(
hob, 1, 1, do_hob,
"print FSP Hand-Off Block information",
""
);