From c74cd8bd08d1bbff366a1bfb0cc82a2413fdf106 Mon Sep 17 00:00:00 2001 From: AKASHI Takahiro Date: Tue, 17 Nov 2020 09:27:56 +0900 Subject: efi_loader: capsule: add capsule_on_disk support Capsule data can be loaded into the system either via UpdateCapsule runtime service or files on a file system (of boot device). The latter case is called "capsules on disk", and actual updates will take place at the next boot time. In this commit, we will support capsule on disk mechanism. Please note that U-Boot itself has no notion of "boot device" and all the capsule files to be executed will be detected only if they are located in a specific directory, \EFI\UpdateCapsule, on a device that is identified as a boot device by "BootXXXX" variables. Signed-off-by: AKASHI Takahiro --- lib/efi_loader/efi_setup.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'lib/efi_loader/efi_setup.c') diff --git a/lib/efi_loader/efi_setup.c b/lib/efi_loader/efi_setup.c index 3dd3f566690..a126a59f18c 100644 --- a/lib/efi_loader/efi_setup.c +++ b/lib/efi_loader/efi_setup.c @@ -155,6 +155,10 @@ static efi_status_t efi_init_os_indications(void) os_indications_supported |= EFI_OS_INDICATIONS_CAPSULE_RESULT_VAR_SUPPORTED; + if (IS_ENABLED(CONFIG_EFI_CAPSULE_ON_DISK)) + os_indications_supported |= + EFI_OS_INDICATIONS_FILE_CAPSULE_DELIVERY_SUPPORTED; + return efi_set_variable_int(L"OsIndicationsSupported", &efi_global_variable_guid, EFI_VARIABLE_BOOTSERVICE_ACCESS | @@ -282,6 +286,10 @@ efi_status_t efi_init_obj_list(void) if (ret != EFI_SUCCESS) goto out; + /* Execute capsules after reboot */ + if (IS_ENABLED(CONFIG_EFI_CAPSULE_ON_DISK) && + !IS_ENABLED(CONFIG_EFI_CAPSULE_ON_DISK_EARLY)) + ret = efi_launch_capsules(); out: efi_obj_list_initialized = ret; return ret; -- cgit v1.2.3