The unit test will reset the system by calling the ResetSystem() runtime service before or after ExitBootServices() according to the users choice by setting environment variable efi_selftest to:
* 'reset system' or * 'reset system runtime'.
Signed-off-by: Heinrich Schuchardt xypron.glpk@gmx.de --- v2: allow testing after ExitBootServices() --- lib/efi_selftest/Makefile | 1 + lib/efi_selftest/efi_selftest_reset.c | 58 +++++++++++++++++++++++++++ 2 files changed, 59 insertions(+) create mode 100644 lib/efi_selftest/efi_selftest_reset.c
diff --git a/lib/efi_selftest/Makefile b/lib/efi_selftest/Makefile index 45ce6859b8..85fe8e1216 100644 --- a/lib/efi_selftest/Makefile +++ b/lib/efi_selftest/Makefile @@ -31,6 +31,7 @@ efi_selftest_mem.o \ efi_selftest_memory.o \ efi_selftest_open_protocol.o \ efi_selftest_register_notify.o \ +efi_selftest_reset.o \ efi_selftest_set_virtual_address_map.o \ efi_selftest_textinput.o \ efi_selftest_textinputex.o \ diff --git a/lib/efi_selftest/efi_selftest_reset.c b/lib/efi_selftest/efi_selftest_reset.c new file mode 100644 index 0000000000..8b6ac24cb1 --- /dev/null +++ b/lib/efi_selftest/efi_selftest_reset.c @@ -0,0 +1,58 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * efi_selftest_reset + * + * Copyright (c) 2020 Heinrich Schuchardt xypron.glpk@gmx.de + * + * This test checks the following service at boot time or runtime: + * ResetSystem() + */ + +#include <efi_selftest.h> + +static struct efi_runtime_services *runtime; + +/* + * Setup unit test. + * + * @handle: handle of the loaded image + * @systable: system table + * @return: EFI_ST_SUCCESS for success + */ +static int setup(const efi_handle_t handle, + const struct efi_system_table *systable) +{ + runtime = systable->runtime; + return EFI_ST_SUCCESS; +} + +/* + * Execute unit test. + * + * @return: EFI_ST_SUCCESS for success + */ +static int execute(void) +{ + u16 reset_data[] = L"Reset by selftest"; + + runtime->reset_system(EFI_RESET_COLD, EFI_SUCCESS, + sizeof(reset_data), reset_data); + efi_st_error("Reset failed.\n"); + return EFI_ST_FAILURE; +} + +EFI_UNIT_TEST(reset) = { + .name = "reset system", + .phase = EFI_EXECUTE_BEFORE_BOOTTIME_EXIT, + .setup = setup, + .execute = execute, + .on_request = true, +}; + +EFI_UNIT_TEST(resetrt) = { + .name = "reset system runtime", + .phase = EFI_SETUP_BEFORE_BOOTTIME_EXIT, + .setup = setup, + .execute = execute, + .on_request = true, +}; -- 2.28.0