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x86: Add a common HOB library

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FSP (CONFIG_HAVE_FSP) and Slim Bootloader (CONFIG_SYS_SLIMBOOTLOADER)
consume HOB (CONFIG_USE_HOB) data from the each HOB list pointer.
Add a common HOB library in lib/hob.c and include/asm/hob.h.

Signed-off-by: Aiden Park <aiden.park@intel.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Park, Aiden
2019-08-03 08:30:31 +00:00
committed by Bin Meng
parent 5b931a5080
commit 7165fd584f
9 changed files with 399 additions and 337 deletions
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77
cmd/x86/hob.c Normal file
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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 <asm/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 int do_hob(cmd_tbl_t *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];
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");
while (!end_of_hob(hdr)) {
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) {
guid = (efi_guid_t *)(hdr + 1);
uuid_bin_to_str(guid->b, uuid, UUID_STR_FORMAT_GUID);
printf("%s", uuid);
} else {
printf("%36s", "Not Available");
}
printf("\n");
hdr = get_next_hob(hdr);
i++;
}
return 0;
}
U_BOOT_CMD(hob, 1, 1, do_hob,
"Print Hand-Off Block (HOB) information",
""
);