diff options
Diffstat (limited to 'Vlv2TbltDevicePkg/PlatformDxe/Rtc.c')
| -rw-r--r-- | Vlv2TbltDevicePkg/PlatformDxe/Rtc.c | 154 |
1 files changed, 0 insertions, 154 deletions
diff --git a/Vlv2TbltDevicePkg/PlatformDxe/Rtc.c b/Vlv2TbltDevicePkg/PlatformDxe/Rtc.c deleted file mode 100644 index f7be592..0000000 --- a/Vlv2TbltDevicePkg/PlatformDxe/Rtc.c +++ /dev/null @@ -1,154 +0,0 @@ -/** @file
- Adjust Default System Time.
-
- Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
-
- SPDX-License-Identifier: BSD-2-Clause-Patent
-
---*/
-
-#include <PlatformDxe.h>
-
-//
-// Date and time initial values.
-// They are used if the RTC values are invalid during driver initialization
-//
-#define RTC_INIT_SECOND 0
-#define RTC_INIT_MINUTE 0
-#define RTC_INIT_HOUR 0
-
-CHAR16 mBiosReleaseDate[20];
-
-/**
- Convert a single character to number.
- It assumes the input Char is in the scope of L'0' ~ L'9' and L'A' ~ L'F'
-
- @param Char The input char which need to change to a hex number.
-
-**/
-UINTN
-CharToUint (
- IN CHAR16 Char
- )
-{
- if ((Char >= L'0') && (Char <= L'9')) {
- return (UINTN) (Char - L'0');
- }
-
- if ((Char >= L'A') && (Char <= L'F')) {
- return (UINTN) (Char - L'A' + 0xA);
- }
-
- ASSERT (FALSE);
- return 0;
-}
-
-/**
- See if YEAR field of a variable of EFI_TIME type is correct.
-
- @param Time The time to be checked.
-
- @retval EFI_INVALID_PARAMETER Some fields of Time are not correct.
- @retval EFI_SUCCESS Time is a valid EFI_TIME variable.
-
-**/
-EFI_STATUS
-CheckRtcTimeFields (
- IN EFI_TIME *Time
- )
-{
- UINT16 YearBuilt;
-
- YearBuilt = (UINT16)(CharToUint(mBiosReleaseDate[8])*10 + CharToUint(mBiosReleaseDate[9]) + 2000);
-
- if ((Time->Year) < YearBuilt) {
- return EFI_INVALID_PARAMETER;
- }
-
- return EFI_SUCCESS;
-}
-
-/**
- ExitPmAuth Protocol notification event handler, which set initial system time to be
- the time when BIOS was built.
-
- @param[in] Event Event whose notification function is being invoked.
- @param[in] Context Pointer to the notification function's context.
-
-**/
-VOID
-EFIAPI
-AdjustDefaultRtcTimeCallback (
- IN EFI_EVENT Event,
- IN VOID *Context
- )
-{
- EFI_STATUS Status;
- EFI_TIME EfiTime;
- CHAR16 BiosVersion[60];
- CHAR16 BiosReleaseTime[20];
- //
- // Get BIOS built time from Bios-ID.
- //
-
- SetMem(BiosVersion, sizeof(BiosVersion), 0);
- SetMem(mBiosReleaseDate, sizeof(mBiosReleaseDate), 0);
- SetMem(BiosReleaseTime, sizeof(BiosReleaseTime), 0);
-
- Status = GetBiosVersionDateTime (BiosVersion, mBiosReleaseDate, BiosReleaseTime);
- ASSERT_EFI_ERROR(Status);
- if (EFI_ERROR (Status)) {
- return;
- }
-
- //
- // Get current RTC time.
- //
- Status = gRT->GetTime (&EfiTime, NULL);
-
- //
- // Validate RTC time fields
- //
- Status = CheckRtcTimeFields (&EfiTime);
-
- if (EFI_ERROR (Status)) {
- //
- // Date such as Dec 28th of 2015
- //
- // Month
- // BiosReleaseDate[0] = '1';
- // BiosReleaseDate[1] = '2';
- //
- // Day
- // BiosReleaseDate[3] = '2';
- // BiosReleaseDate[4] = '8';
- //
- //
- // Year
- //
- // BiosReleaseDate[6] = '2';
- // BiosReleaseDate[7] = '0';
- // BiosReleaseDate[8] = '1'
- // BiosReleaseDate[9] = '5';
-
- EfiTime.Second = RTC_INIT_SECOND;
- EfiTime.Minute = RTC_INIT_MINUTE;
- EfiTime.Hour = RTC_INIT_HOUR;
- EfiTime.Day = (UINT8)(CharToUint(mBiosReleaseDate[3])*10 + CharToUint(mBiosReleaseDate[4]));
- EfiTime.Month = (UINT8)(CharToUint(mBiosReleaseDate[0])*10 + CharToUint(mBiosReleaseDate[1]));
- EfiTime.Year = (UINT16)(CharToUint(mBiosReleaseDate[8])*10 + CharToUint(mBiosReleaseDate[9]) + 2000);
- EfiTime.Nanosecond = 0;
- EfiTime.TimeZone = EFI_UNSPECIFIED_TIMEZONE;
- EfiTime.Daylight = 1;
-
- DEBUG ((EFI_D_INFO, "Day:%d Month:%d Year:%d \n", (UINT32)EfiTime.Day, (UINT32)EfiTime.Month, (UINT32)EfiTime.Year));
-
- //
- // Reset time value according to new RTC configuration
- //
- Status = gRT->SetTime (&EfiTime);
- ASSERT_EFI_ERROR(Status);
- }
-
- return;
-}
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