arch/x86/lib/cmd_hob.c

   1 /*
   2  * Copyright (C) 2014, Bin Meng <bmeng.cn@gmail.com>
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #include <common.h>
   8 #include <command.h>
   9 #include <linux/compiler.h>
  10 #include <asm/fsp/fsp_support.h>
  11
  12 DECLARE_GLOBAL_DATA_PTR;
  13
  14 static char *hob_type[] = {
  15         "reserved",
  16         "Hand-off",
  17         "Mem Alloc",
  18         "Res Desc",
  19         "GUID Ext",
  20         "FV",
  21         "CPU",
  22         "Mem Pool",
  23         "reserved",
  24         "FV2",
  25         "Load PEIM",
  26         "Capsule",
  27 };
  28
  29 int do_hob(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  30 {
  31         const struct hob_header *hdr;
  32         uint type;
  33         char *desc;
  34         int i = 0;
  35
  36         hdr = gd->arch.hob_list;
  37
  38         printf("HOB list address: 0x%08x\n\n", (unsigned int)hdr);
  39
  40         printf("#  | Address  | Type      | Len  | ");
  41         printf("%42s\n", "GUID");
  42         printf("---|----------|-----------|------|-");
  43         printf("------------------------------------------\n");
  44         while (!end_of_hob(hdr)) {
  45                 printf("%-2d | %08x | ", i, (unsigned int)hdr);
  46                 type = hdr->type;
  47                 if (type == HOB_TYPE_UNUSED)
  48                         desc = "*Unused*";
  49                 else if (type == HOB_TYPE_EOH)
  50                         desc = "*EOH*";
  51                 else if (type >= 0 && type <= ARRAY_SIZE(hob_type))
  52                         desc = hob_type[type];
  53                 else
  54                         desc = "*Invalid*";
  55                 printf("%-9s | %-4d | ", desc, hdr->len);
  56
  57                 if (type == HOB_TYPE_MEM_ALLOC || type == HOB_TYPE_RES_DESC ||
  58                     type == HOB_TYPE_GUID_EXT) {
  59                         struct efi_guid *guid = (struct efi_guid *)(hdr + 1);
  60                         int j;
  61
  62                         printf("%08x-%04x-%04x", guid->data1,
  63                                guid->data2, guid->data3);
  64                         for (j = 0; j < ARRAY_SIZE(guid->data4); j++)
  65                                 printf("-%02x", guid->data4[j]);
  66                 } else {
  67                         printf("%42s", "Not Available");
  68                 }
  69                 printf("\n");
  70                 hdr = get_next_hob(hdr);
  71                 i++;
  72         }
  73
  74         return 0;
  75 }
  76
  77 U_BOOT_CMD(
  78         hob,    1,      1,      do_hob,
  79         "print Firmware Support Package (FSP) Hand-Off Block information",
  80         ""
  81 );