diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/efi_loader/efi_runtime.c | 24 | ||||
| -rw-r--r-- | lib/efi_loader/efi_setup.c | 5 |
2 files changed, 29 insertions, 0 deletions
diff --git a/lib/efi_loader/efi_runtime.c b/lib/efi_loader/efi_runtime.c index 432551d0c8..0c57d0abd7 100644 --- a/lib/efi_loader/efi_runtime.c +++ b/lib/efi_loader/efi_runtime.c @@ -89,6 +89,30 @@ struct elf_rela { * handle a good number of runtime callbacks */ +efi_status_t efi_init_runtime_supported(void) +{ + u16 efi_runtime_services_supported = 0; + + /* + * This value must be synced with efi_runtime_detach_list + * as well as efi_runtime_services. + */ +#if CONFIG_IS_ENABLED(ARCH_BCM283X) || \ + CONFIG_IS_ENABLED(FSL_LAYERSCAPE) || \ + CONFIG_IS_ENABLED(SYSRESET_X86) || \ + CONFIG_IS_ENABLED(PSCI_RESET) + efi_runtime_services_supported |= EFI_RT_SUPPORTED_RESET_SYSTEM; +#endif + efi_runtime_services_supported |= + EFI_RT_SUPPORTED_SET_VIRTUAL_ADDRESS_MAP; + return EFI_CALL(efi_set_variable(L"RuntimeServicesSupported", + &efi_global_variable_guid, + EFI_VARIABLE_BOOTSERVICE_ACCESS | + EFI_VARIABLE_RUNTIME_ACCESS, + sizeof(efi_runtime_services_supported), + &efi_runtime_services_supported)); +} + /** * efi_update_table_header_crc32() - Update crc32 in table header * diff --git a/lib/efi_loader/efi_setup.c b/lib/efi_loader/efi_setup.c index 8691d686d2..bfb57836fa 100644 --- a/lib/efi_loader/efi_setup.c +++ b/lib/efi_loader/efi_setup.c @@ -117,6 +117,11 @@ efi_status_t efi_init_obj_list(void) if (ret != EFI_SUCCESS) goto out; + /* Indicate supported runtime services */ + ret = efi_init_runtime_supported(); + if (ret != EFI_SUCCESS) + goto out; + /* Initialize system table */ ret = efi_initialize_system_table(); if (ret != EFI_SUCCESS) |