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3dd719d4fb
Replace @return and @param. Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
103 lines
2.3 KiB
C
103 lines
2.3 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* efi_selftest_rtc
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*
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* Copyright (c) 2018 Heinrich Schuchardt <xypron.glpk@gmx.de>
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*
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* Test the real time clock runtime services.
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*/
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#include <efi_selftest.h>
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#define EFI_ST_NO_RTC "Could not read real time clock\n"
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#define EFI_ST_NO_RTC_SET "Could not set real time clock\n"
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static struct efi_runtime_services *runtime;
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/*
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* Setup unit test.
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*
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* @handle: handle of the loaded image
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* @systable: system table
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* Return: EFI_ST_SUCCESS for success
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*/
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static int setup(const efi_handle_t handle,
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const struct efi_system_table *systable)
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{
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runtime = systable->runtime;
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return EFI_ST_SUCCESS;
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}
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/*
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* Execute unit test.
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*
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* Read and display current time.
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* Set a new value and read it back.
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* Set the real time clock back the current time.
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*
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* Return: EFI_ST_SUCCESS for success
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*/
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static int execute(void)
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{
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efi_status_t ret;
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struct efi_time tm_old;
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#ifdef CONFIG_EFI_SET_TIME
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struct efi_time tm, tm_new = {
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.year = 2017,
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.month = 5,
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.day = 19,
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.hour = 13,
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.minute = 47,
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.second = 53,
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};
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#endif
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/* Display current time */
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ret = runtime->get_time(&tm_old, NULL);
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if (ret != EFI_SUCCESS) {
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efi_st_error(EFI_ST_NO_RTC);
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return EFI_ST_FAILURE;
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}
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efi_st_printf("Time according to real time clock: "
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"%.4u-%.2u-%.2u %.2u:%.2u:%.2u\n",
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tm_old.year, tm_old.month, tm_old.day,
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tm_old.hour, tm_old.minute, tm_old.second);
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#ifdef CONFIG_EFI_SET_TIME
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ret = runtime->set_time(&tm_new);
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if (ret != EFI_SUCCESS) {
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efi_st_error(EFI_ST_NO_RTC_SET);
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return EFI_ST_FAILURE;
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}
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ret = runtime->get_time(&tm, NULL);
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if (ret != EFI_SUCCESS) {
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efi_st_error(EFI_ST_NO_RTC);
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return EFI_ST_FAILURE;
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}
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if (tm.year != tm_new.year ||
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tm.month != tm_new.month ||
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tm.day != tm_new.day ||
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tm.hour != tm_new.hour ||
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tm.minute != tm_new.minute ||
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tm.second < tm_new.second ||
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tm.second > tm_new.second + 2) {
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efi_st_error(EFI_ST_NO_RTC_SET);
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return EFI_ST_FAILURE;
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}
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/* Set time back to old value */
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ret = runtime->set_time(&tm_old);
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if (ret != EFI_SUCCESS) {
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efi_st_error(EFI_ST_NO_RTC_SET);
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return EFI_ST_FAILURE;
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}
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#endif
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return EFI_ST_SUCCESS;
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}
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EFI_UNIT_TEST(rtc) = {
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.name = "real time clock",
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.phase = EFI_EXECUTE_BEFORE_BOOTTIME_EXIT,
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.setup = setup,
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.execute = execute,
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};
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