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Commit | Line | Data |
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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"}, | |
0860abe1 | 50 | { GRUB_EFI_RT_PROPERTIES_TABLE_GUID, "RT PROPERTIES"}, |
105de6a7 TG |
51 | { GRUB_EFI_SAL_TABLE_GUID, "SAL"}, |
52 | { GRUB_EFI_SMBIOS_TABLE_GUID, "SMBIOS"}, | |
261df54f | 53 | { GRUB_EFI_SMBIOS3_TABLE_GUID, "SMBIOS3"}, |
7994077a PB |
54 | { GRUB_EFI_SYSTEM_RESOURCE_TABLE_GUID, "SYSTEM RESOURCE TABLE"}, |
55 | { GRUB_EFI_TIANO_CUSTOM_DECOMPRESS_GUID, "TIANO CUSTOM DECOMPRESS"}, | |
56 | { GRUB_EFI_TSC_FREQUENCY_GUID, "TSC FREQUENCY"}, | |
105de6a7 TG |
57 | }; |
58 | ||
59 | static grub_err_t | |
60 | grub_cmd_lsefisystab (struct grub_command *cmd __attribute__ ((unused)), | |
61 | int argc __attribute__ ((unused)), | |
62 | char **args __attribute__ ((unused))) | |
63 | { | |
64 | const grub_efi_system_table_t *st = grub_efi_system_table; | |
65 | grub_efi_configuration_table_t *t; | |
66 | unsigned int i; | |
67 | ||
3f3ec8ef | 68 | grub_printf ("Address: %p\n", st); |
105de6a7 TG |
69 | grub_printf ("Signature: %016" PRIxGRUB_UINT64_T " revision: %08x\n", |
70 | st->hdr.signature, st->hdr.revision); | |
71 | { | |
72 | char *vendor; | |
73 | grub_uint16_t *vendor_utf16; | |
74 | grub_printf ("Vendor: "); | |
75 | ||
76 | for (vendor_utf16 = st->firmware_vendor; *vendor_utf16; vendor_utf16++); | |
f725fa7c PJ |
77 | /* Allocate extra 3 bytes to simplify math. */ |
78 | vendor = grub_calloc (4, vendor_utf16 - st->firmware_vendor + 1); | |
105de6a7 TG |
79 | if (!vendor) |
80 | return grub_errno; | |
81 | *grub_utf16_to_utf8 ((grub_uint8_t *) vendor, st->firmware_vendor, | |
82 | vendor_utf16 - st->firmware_vendor) = 0; | |
83 | grub_printf ("%s", vendor); | |
48798b6a | 84 | grub_free (vendor); |
105de6a7 TG |
85 | } |
86 | ||
87 | grub_printf (", Version=%x\n", st->firmware_revision); | |
88 | ||
d99af4f0 | 89 | grub_printf ("%lld tables:\n", (long long) st->num_table_entries); |
105de6a7 TG |
90 | t = st->configuration_table; |
91 | for (i = 0; i < st->num_table_entries; i++) | |
92 | { | |
93 | unsigned int j; | |
94 | ||
95 | grub_printf ("%p ", t->vendor_table); | |
96 | ||
97 | grub_printf ("%08x-%04x-%04x-", | |
98 | t->vendor_guid.data1, t->vendor_guid.data2, | |
99 | t->vendor_guid.data3); | |
100 | for (j = 0; j < 8; j++) | |
101 | grub_printf ("%02x", t->vendor_guid.data4[j]); | |
102 | ||
103 | for (j = 0; j < ARRAY_SIZE (guid_mappings); j++) | |
104 | if (grub_memcmp (&guid_mappings[j].guid, &t->vendor_guid, | |
105 | sizeof (grub_efi_guid_t)) == 0) | |
106 | grub_printf (" %s", guid_mappings[j].name); | |
107 | ||
108 | grub_printf ("\n"); | |
109 | t++; | |
110 | } | |
111 | return GRUB_ERR_NONE; | |
112 | } | |
113 | ||
114 | static grub_command_t cmd; | |
115 | ||
116 | GRUB_MOD_INIT(lsefisystab) | |
117 | { | |
118 | cmd = grub_register_command ("lsefisystab", grub_cmd_lsefisystab, | |
119 | "", "Display EFI system tables."); | |
120 | } | |
121 | ||
122 | GRUB_MOD_FINI(lsefisystab) | |
123 | { | |
124 | grub_unregister_command (cmd); | |
125 | } |