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efi_loader: Kconfig entries for GetTime(), SetTime()

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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>
This commit is contained in:
Heinrich Schuchardt 2019-05-31 22:56:02 +02:00
parent 38b9a79c63
commit 5ec48e38ee
4 changed files with 26 additions and 15 deletions
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16
lib/efi_loader/Kconfig
View file

@ -18,6 +18,22 @@ config EFI_LOADER
if EFI_LOADER
config EFI_GET_TIME
bool "GetTime() runtime service"
depends on DM_RTC
default y
help
Provide the GetTime() runtime service at boottime. This service
can be used by an EFI application to read the real time clock.
config EFI_SET_TIME
bool "SetTime() runtime service"
depends on EFI_GET_TIME
default n
help
Provide the SetTime() runtime service at boottime. This service
can be used by an EFI application to adjust the real time clock.
config EFI_DEVICE_PATH_TO_TEXT
bool "Device path to text protocol"
default y

6
lib/efi_loader/efi_runtime.c
View file

@ -167,7 +167,7 @@ static efi_status_t EFIAPI efi_get_time_boottime(
struct efi_time *time,
struct efi_time_cap *capabilities)
{
#ifdef CONFIG_DM_RTC
#ifdef CONFIG_EFI_GET_TIME
efi_status_t ret = EFI_SUCCESS;
struct rtc_time tm;
struct udevice *dev;
@ -214,7 +214,7 @@ out:
#endif
}
#ifdef CONFIG_DM_RTC
#ifdef CONFIG_EFI_SET_TIME
/**
* efi_validate_time() - checks if timestamp is valid
@ -252,7 +252,7 @@ static int efi_validate_time(struct efi_time *time)
*/
static efi_status_t EFIAPI efi_set_time_boottime(struct efi_time *time)
{
#ifdef CONFIG_DM_RTC
#ifdef CONFIG_EFI_SET_TIME
efi_status_t ret = EFI_SUCCESS;
struct rtc_time tm;
struct udevice *dev;

2
lib/efi_selftest/Makefile
View file

@ -27,7 +27,6 @@ efi_selftest_loaded_image.o \
efi_selftest_manageprotocols.o \
efi_selftest_memory.o \
efi_selftest_register_notify.o \
efi_selftest_rtc.o \
efi_selftest_snp.o \
efi_selftest_textinput.o \
efi_selftest_textinputex.o \
@ -43,6 +42,7 @@ efi_selftest_unicode_collation.o
obj-$(CONFIG_CPU_V7) += efi_selftest_unaligned.o
obj-$(CONFIG_EFI_LOADER_HII) += efi_selftest_hii.o
obj-$(CONFIG_EFI_GET_TIME) += efi_selftest_rtc.o
ifeq ($(CONFIG_GENERATE_ACPI_TABLE),)
obj-y += efi_selftest_fdt.o

17
lib/efi_selftest/efi_selftest_rtc.c
View file

@ -40,7 +40,9 @@ static int setup(const efi_handle_t handle,
static int execute(void)
{
efi_status_t ret;
struct efi_time tm, tm_old, tm_new = {
struct efi_time tm_old;
#ifdef CONFIG_EFI_SET_TIME
struct efi_time tm, tm_new = {
.year = 2017,
.month = 5,
.day = 19,
@ -48,31 +50,23 @@ static int execute(void)
.minute = 47,
.second = 53,
};
#endif
/* Display current time */
ret = runtime->get_time(&tm_old, 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
}
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) {
#ifdef CONFIG_CMD_DATE
efi_st_error(EFI_ST_NO_RTC_SET);
return EFI_ST_FAILURE;
#else
efi_st_todo(EFI_ST_NO_RTC_SET);
return EFI_ST_SUCCESS;
#endif
}
ret = runtime->get_time(&tm, NULL);
if (ret != EFI_SUCCESS) {
@ -95,6 +89,7 @@ static int execute(void)
efi_st_error(EFI_ST_NO_RTC_SET);
return EFI_ST_FAILURE;
}
#endif
return EFI_ST_SUCCESS;
}