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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * efi_selftest_rtc
- *
- * Copyright (c) 2018 Heinrich Schuchardt <xypron.glpk@gmx.de>
- *
- * Test the real time clock runtime services.
- */
- #include <efi_selftest.h>
- #define EFI_ST_NO_RTC "Could not read real time clock\n"
- 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.
- *
- * Display current time.
- *
- * @return: EFI_ST_SUCCESS for success
- */
- static int execute(void)
- {
- efi_status_t ret;
- struct efi_time tm;
- /* Display current time */
- ret = runtime->get_time(&tm, NULL);
- if (ret != EFI_SUCCESS) {
- #ifdef CONFIG_CMD_DATE
- efi_st_error(EFI_ST_NO_RTC);
- return EFI_ST_FAILURE;
- #else
- efi_st_todo(EFI_ST_NO_RTC);
- return EFI_ST_SUCCESS;
- #endif
- } else {
- efi_st_printf("Time according to real time clock: "
- "%.4u-%.2u-%.2u %.2u:%.2u:%.2u\n",
- tm.year, tm.month, tm.day,
- tm.hour, tm.minute, tm.second);
- }
- return EFI_ST_SUCCESS;
- }
- EFI_UNIT_TEST(rtc) = {
- .name = "real time clock",
- .phase = EFI_EXECUTE_BEFORE_BOOTTIME_EXIT,
- .setup = setup,
- .execute = execute,
- };
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