diff options
Diffstat (limited to 'lib/efi_loader/efi_setup.c')
| -rw-r--r-- | lib/efi_loader/efi_setup.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/lib/efi_loader/efi_setup.c b/lib/efi_loader/efi_setup.c index b32a7b3f934..8691d686d29 100644 --- a/lib/efi_loader/efi_setup.c +++ b/lib/efi_loader/efi_setup.c @@ -6,12 +6,22 @@ */ #include <common.h> +#include <bootm.h> #include <efi_loader.h> #define OBJ_LIST_NOT_INITIALIZED 1 static efi_status_t efi_obj_list_initialized = OBJ_LIST_NOT_INITIALIZED; +/* + * Allow unaligned memory access. + * + * This routine is overridden by architectures providing this feature. + */ +void __weak allow_unaligned(void) +{ +} + /** * efi_init_platform_lang() - define supported languages * @@ -79,17 +89,34 @@ out: */ efi_status_t efi_init_obj_list(void) { + u64 os_indications_supported = 0; /* None */ efi_status_t ret = EFI_SUCCESS; /* Initialize once only */ if (efi_obj_list_initialized != OBJ_LIST_NOT_INITIALIZED) return efi_obj_list_initialized; + /* Allow unaligned memory access */ + allow_unaligned(); + + /* On ARM switch from EL3 or secure mode to EL2 or non-secure mode */ + switch_to_non_secure_mode(); + /* Define supported languages */ ret = efi_init_platform_lang(); if (ret != EFI_SUCCESS) goto out; + /* Indicate supported features */ + ret = EFI_CALL(efi_set_variable(L"OsIndicationsSupported", + &efi_global_variable_guid, + EFI_VARIABLE_BOOTSERVICE_ACCESS | + EFI_VARIABLE_RUNTIME_ACCESS, + sizeof(os_indications_supported), + &os_indications_supported)); + if (ret != EFI_SUCCESS) + goto out; + /* Initialize system table */ ret = efi_initialize_system_table(); if (ret != EFI_SUCCESS) |