diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/efi_loader/efi_runtime.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/lib/efi_loader/efi_runtime.c b/lib/efi_loader/efi_runtime.c index dde083b..c8f7a88 100644 --- a/lib/efi_loader/efi_runtime.c +++ b/lib/efi_loader/efi_runtime.c @@ -10,6 +10,7 @@ #include <dm.h> #include <elf.h> #include <efi_loader.h> +#include <efi_variable.h> #include <log.h> #include <malloc.h> #include <rtc.h> @@ -110,6 +111,7 @@ static __efi_runtime_data efi_uintn_t efi_descriptor_size; */ efi_status_t efi_init_runtime_supported(void) { + const efi_guid_t efi_guid_efi_rt_var_file = U_BOOT_EFI_RT_VAR_FILE_GUID; efi_status_t ret; struct efi_rt_properties_table *rt_table; @@ -127,9 +129,20 @@ efi_status_t efi_init_runtime_supported(void) EFI_RT_SUPPORTED_SET_VIRTUAL_ADDRESS_MAP | EFI_RT_SUPPORTED_CONVERT_POINTER; - if (IS_ENABLED(CONFIG_EFI_RT_VOLATILE_STORE)) - rt_table->runtime_services_supported |= - EFI_RT_SUPPORTED_SET_VARIABLE; + if (IS_ENABLED(CONFIG_EFI_RT_VOLATILE_STORE)) { + ret = efi_set_variable_int(u"RTStorageVolatile", + &efi_guid_efi_rt_var_file, + EFI_VARIABLE_BOOTSERVICE_ACCESS | + EFI_VARIABLE_RUNTIME_ACCESS | + EFI_VARIABLE_READ_ONLY, + sizeof(EFI_VAR_FILE_NAME), + EFI_VAR_FILE_NAME, false); + if (ret != EFI_SUCCESS) { + log_err("Failed to set RTStorageVolatile\n"); + return ret; + } + rt_table->runtime_services_supported |= EFI_RT_SUPPORTED_SET_VARIABLE; + } /* * This value must be synced with efi_runtime_detach_list |