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6d3d698d | 1 | /* lsefisystab.c - Display EFI systab. */ |
105de6a7 TG |
2 | /* |
3 | * GRUB -- GRand Unified Bootloader | |
4 | * Copyright (C) 2008 Free Software Foundation, Inc. | |
5 | * | |
6 | * GRUB is free software: you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation, either version 3 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * GRUB is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with GRUB. If not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | #include <grub/types.h> | |
20 | #include <grub/mm.h> | |
e745cf0c | 21 | #include <grub/dl.h> |
105de6a7 TG |
22 | #include <grub/misc.h> |
23 | #include <grub/normal.h> | |
24 | #include <grub/charset.h> | |
25 | #include <grub/efi/api.h> | |
26 | #include <grub/efi/efi.h> | |
27 | ||
e745cf0c VS |
28 | GRUB_MOD_LICENSE ("GPLv3+"); |
29 | ||
105de6a7 TG |
30 | struct guid_mapping |
31 | { | |
32 | grub_efi_guid_t guid; | |
33 | const char *name; | |
34 | }; | |
35 | ||
36 | static const struct guid_mapping guid_mappings[] = | |
37 | { | |
38 | { GRUB_EFI_ACPI_20_TABLE_GUID, "ACPI-2.0"}, | |
39 | { GRUB_EFI_ACPI_TABLE_GUID, "ACPI-1.0"}, | |
7994077a PB |
40 | { GRUB_EFI_CRC32_GUIDED_SECTION_EXTRACTION_GUID, |
41 | "CRC32 GUIDED SECTION EXTRACTION"}, | |
42 | { GRUB_EFI_DEBUG_IMAGE_INFO_TABLE_GUID, "DEBUG IMAGE INFO"}, | |
15cfd02b | 43 | { GRUB_EFI_DEVICE_TREE_GUID, "DEVICE TREE"}, |
7994077a | 44 | { GRUB_EFI_DXE_SERVICES_TABLE_GUID, "DXE SERVICES"}, |
50d6f38f | 45 | { GRUB_EFI_HCDP_TABLE_GUID, "HCDP"}, |
7994077a PB |
46 | { GRUB_EFI_HOB_LIST_GUID, "HOB LIST"}, |
47 | { GRUB_EFI_LZMA_CUSTOM_DECOMPRESS_GUID, "LZMA CUSTOM DECOMPRESS"}, | |
48 | { GRUB_EFI_MEMORY_TYPE_INFORMATION_GUID, "MEMORY TYPE INFO"}, | |
49 | { GRUB_EFI_MPS_TABLE_GUID, "MPS"}, | |
105de6a7 TG |
50 | { GRUB_EFI_SAL_TABLE_GUID, "SAL"}, |
51 | { GRUB_EFI_SMBIOS_TABLE_GUID, "SMBIOS"}, | |
261df54f | 52 | { GRUB_EFI_SMBIOS3_TABLE_GUID, "SMBIOS3"}, |
7994077a PB |
53 | { GRUB_EFI_SYSTEM_RESOURCE_TABLE_GUID, "SYSTEM RESOURCE TABLE"}, |
54 | { GRUB_EFI_TIANO_CUSTOM_DECOMPRESS_GUID, "TIANO CUSTOM DECOMPRESS"}, | |
55 | { GRUB_EFI_TSC_FREQUENCY_GUID, "TSC FREQUENCY"}, | |
105de6a7 TG |
56 | }; |
57 | ||
58 | static grub_err_t | |
59 | grub_cmd_lsefisystab (struct grub_command *cmd __attribute__ ((unused)), | |
60 | int argc __attribute__ ((unused)), | |
61 | char **args __attribute__ ((unused))) | |
62 | { | |
63 | const grub_efi_system_table_t *st = grub_efi_system_table; | |
64 | grub_efi_configuration_table_t *t; | |
65 | unsigned int i; | |
66 | ||
3f3ec8ef | 67 | grub_printf ("Address: %p\n", st); |
105de6a7 TG |
68 | grub_printf ("Signature: %016" PRIxGRUB_UINT64_T " revision: %08x\n", |
69 | st->hdr.signature, st->hdr.revision); | |
70 | { | |
71 | char *vendor; | |
72 | grub_uint16_t *vendor_utf16; | |
73 | grub_printf ("Vendor: "); | |
74 | ||
75 | for (vendor_utf16 = st->firmware_vendor; *vendor_utf16; vendor_utf16++); | |
76 | vendor = grub_malloc (4 * (vendor_utf16 - st->firmware_vendor) + 1); | |
77 | if (!vendor) | |
78 | return grub_errno; | |
79 | *grub_utf16_to_utf8 ((grub_uint8_t *) vendor, st->firmware_vendor, | |
80 | vendor_utf16 - st->firmware_vendor) = 0; | |
81 | grub_printf ("%s", vendor); | |
48798b6a | 82 | grub_free (vendor); |
105de6a7 TG |
83 | } |
84 | ||
85 | grub_printf (", Version=%x\n", st->firmware_revision); | |
86 | ||
d99af4f0 | 87 | grub_printf ("%lld tables:\n", (long long) st->num_table_entries); |
105de6a7 TG |
88 | t = st->configuration_table; |
89 | for (i = 0; i < st->num_table_entries; i++) | |
90 | { | |
91 | unsigned int j; | |
92 | ||
93 | grub_printf ("%p ", t->vendor_table); | |
94 | ||
95 | grub_printf ("%08x-%04x-%04x-", | |
96 | t->vendor_guid.data1, t->vendor_guid.data2, | |
97 | t->vendor_guid.data3); | |
98 | for (j = 0; j < 8; j++) | |
99 | grub_printf ("%02x", t->vendor_guid.data4[j]); | |
100 | ||
101 | for (j = 0; j < ARRAY_SIZE (guid_mappings); j++) | |
102 | if (grub_memcmp (&guid_mappings[j].guid, &t->vendor_guid, | |
103 | sizeof (grub_efi_guid_t)) == 0) | |
104 | grub_printf (" %s", guid_mappings[j].name); | |
105 | ||
106 | grub_printf ("\n"); | |
107 | t++; | |
108 | } | |
109 | return GRUB_ERR_NONE; | |
110 | } | |
111 | ||
112 | static grub_command_t cmd; | |
113 | ||
114 | GRUB_MOD_INIT(lsefisystab) | |
115 | { | |
116 | cmd = grub_register_command ("lsefisystab", grub_cmd_lsefisystab, | |
117 | "", "Display EFI system tables."); | |
118 | } | |
119 | ||
120 | GRUB_MOD_FINI(lsefisystab) | |
121 | { | |
122 | grub_unregister_command (cmd); | |
123 | } |