1 // SPDX-License-Identifier: GPL-2.0+
5 * Copyright (c) 2016-2018 Alexander Graf et al.
9 #include <efi_loader.h>
11 #define OBJ_LIST_NOT_INITIALIZED 1
13 /* Language code for American English according to RFC 4646 */
14 #define EN_US L"en-US"
16 static efi_status_t efi_obj_list_initialized = OBJ_LIST_NOT_INITIALIZED;
18 /* Initialize and populate EFI object list */
19 efi_status_t efi_init_obj_list(void)
21 efi_status_t ret = EFI_SUCCESS;
24 * On the ARM architecture gd is mapped to a fixed register (r9 or x18).
25 * As this register may be overwritten by an EFI payload we save it here
26 * and restore it on every callback entered.
31 * Variable PlatformLang defines the language that the machine has been
34 ret = EFI_CALL(efi_set_variable(L"PlatformLang",
35 &efi_global_variable_guid,
36 EFI_VARIABLE_BOOTSERVICE_ACCESS |
37 EFI_VARIABLE_RUNTIME_ACCESS,
38 sizeof(EN_US), EN_US));
39 if (ret != EFI_SUCCESS)
43 * Variable PlatformLangCodes defines the language codes that the
44 * machine can support.
46 ret = EFI_CALL(efi_set_variable(L"PlatformLangCodes",
47 &efi_global_variable_guid,
48 EFI_VARIABLE_BOOTSERVICE_ACCESS |
49 EFI_VARIABLE_RUNTIME_ACCESS,
50 sizeof(EN_US), EN_US));
51 if (ret != EFI_SUCCESS)
54 /* Initialize once only */
55 if (efi_obj_list_initialized != OBJ_LIST_NOT_INITIALIZED)
56 return efi_obj_list_initialized;
58 /* Initialize system table */
59 ret = efi_initialize_system_table();
60 if (ret != EFI_SUCCESS)
63 /* Initialize root node */
64 ret = efi_root_node_register();
65 if (ret != EFI_SUCCESS)
68 /* Initialize EFI driver uclass */
69 ret = efi_driver_init();
70 if (ret != EFI_SUCCESS)
73 ret = efi_console_register();
74 if (ret != EFI_SUCCESS)
76 #ifdef CONFIG_PARTITIONS
77 ret = efi_disk_register();
78 if (ret != EFI_SUCCESS)
81 #if defined(CONFIG_LCD) || defined(CONFIG_DM_VIDEO)
82 ret = efi_gop_register();
83 if (ret != EFI_SUCCESS)
87 ret = efi_net_register();
88 if (ret != EFI_SUCCESS)
91 #ifdef CONFIG_GENERATE_ACPI_TABLE
92 ret = efi_acpi_register();
93 if (ret != EFI_SUCCESS)
96 #ifdef CONFIG_GENERATE_SMBIOS_TABLE
97 ret = efi_smbios_register();
98 if (ret != EFI_SUCCESS)
101 ret = efi_watchdog_register();
102 if (ret != EFI_SUCCESS)
105 /* Initialize EFI runtime services */
106 ret = efi_reset_system_init();
107 if (ret != EFI_SUCCESS)
111 efi_obj_list_initialized = ret;