mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-21 02:33:07 +00:00
5ec48e38ee
The GetTime() and the SetTime() runtime services are not obligatory. So let's make them customizable. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
102 lines
2.3 KiB
C
102 lines
2.3 KiB
C
// 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"
|
|
#define EFI_ST_NO_RTC_SET "Could not set 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.
|
|
*
|
|
* Read and display current time.
|
|
* Set a new value and read it back.
|
|
* Set the real time clock back the current time.
|
|
*
|
|
* @return: EFI_ST_SUCCESS for success
|
|
*/
|
|
static int execute(void)
|
|
{
|
|
efi_status_t ret;
|
|
struct efi_time tm_old;
|
|
#ifdef CONFIG_EFI_SET_TIME
|
|
struct efi_time tm, tm_new = {
|
|
.year = 2017,
|
|
.month = 5,
|
|
.day = 19,
|
|
.hour = 13,
|
|
.minute = 47,
|
|
.second = 53,
|
|
};
|
|
#endif
|
|
|
|
/* Display current time */
|
|
ret = runtime->get_time(&tm_old, NULL);
|
|
if (ret != EFI_SUCCESS) {
|
|
efi_st_error(EFI_ST_NO_RTC);
|
|
return EFI_ST_FAILURE;
|
|
}
|
|
efi_st_printf("Time according to real time clock: "
|
|
"%.4u-%.2u-%.2u %.2u:%.2u:%.2u\n",
|
|
tm_old.year, tm_old.month, tm_old.day,
|
|
tm_old.hour, tm_old.minute, tm_old.second);
|
|
#ifdef CONFIG_EFI_SET_TIME
|
|
ret = runtime->set_time(&tm_new);
|
|
if (ret != EFI_SUCCESS) {
|
|
efi_st_error(EFI_ST_NO_RTC_SET);
|
|
return EFI_ST_FAILURE;
|
|
}
|
|
ret = runtime->get_time(&tm, NULL);
|
|
if (ret != EFI_SUCCESS) {
|
|
efi_st_error(EFI_ST_NO_RTC);
|
|
return EFI_ST_FAILURE;
|
|
}
|
|
if (tm.year != tm_new.year ||
|
|
tm.month != tm_new.month ||
|
|
tm.day != tm_new.day ||
|
|
tm.hour != tm_new.hour ||
|
|
tm.minute != tm_new.minute ||
|
|
tm.second < tm_new.second ||
|
|
tm.second > tm_new.second + 2) {
|
|
efi_st_error(EFI_ST_NO_RTC_SET);
|
|
return EFI_ST_FAILURE;
|
|
}
|
|
/* Set time back to old value */
|
|
ret = runtime->set_time(&tm_old);
|
|
if (ret != EFI_SUCCESS) {
|
|
efi_st_error(EFI_ST_NO_RTC_SET);
|
|
return EFI_ST_FAILURE;
|
|
}
|
|
#endif
|
|
|
|
return EFI_ST_SUCCESS;
|
|
}
|
|
|
|
EFI_UNIT_TEST(rtc) = {
|
|
.name = "real time clock",
|
|
.phase = EFI_EXECUTE_BEFORE_BOOTTIME_EXIT,
|
|
.setup = setup,
|
|
.execute = execute,
|
|
};
|