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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:17:27 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:17:27 +0000 |
commit | f215e02bf85f68d3a6106c2a1f4f7f063f819064 (patch) | |
tree | 6bb5b92c046312c4e95ac2620b10ddf482d3fa8b /src/VBox/Devices/EFI/Firmware/CryptoPkg/Library/BaseCryptLib/SysCall/TimerWrapper.c | |
parent | Initial commit. (diff) | |
download | virtualbox-f215e02bf85f68d3a6106c2a1f4f7f063f819064.tar.xz virtualbox-f215e02bf85f68d3a6106c2a1f4f7f063f819064.zip |
Adding upstream version 7.0.14-dfsg.upstream/7.0.14-dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/VBox/Devices/EFI/Firmware/CryptoPkg/Library/BaseCryptLib/SysCall/TimerWrapper.c')
-rw-r--r-- | src/VBox/Devices/EFI/Firmware/CryptoPkg/Library/BaseCryptLib/SysCall/TimerWrapper.c | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/CryptoPkg/Library/BaseCryptLib/SysCall/TimerWrapper.c b/src/VBox/Devices/EFI/Firmware/CryptoPkg/Library/BaseCryptLib/SysCall/TimerWrapper.c new file mode 100644 index 00000000..eea6379a --- /dev/null +++ b/src/VBox/Devices/EFI/Firmware/CryptoPkg/Library/BaseCryptLib/SysCall/TimerWrapper.c @@ -0,0 +1,168 @@ +/** @file + C Run-Time Libraries (CRT) Time Management Routines Wrapper Implementation + for OpenSSL-based Cryptographic Library (used in DXE & RUNTIME). + +Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#include <Uefi.h> +#include <CrtLibSupport.h> +#include <Library/UefiRuntimeServicesTableLib.h> + +// +// -- Time Management Routines -- +// + +#define IsLeap(y) (((y) % 4) == 0 && (((y) % 100) != 0 || ((y) % 400) == 0)) +#define SECSPERMIN (60) +#define SECSPERHOUR (60 * 60) +#define SECSPERDAY (24 * SECSPERHOUR) + +// +// The arrays give the cumulative number of days up to the first of the +// month number used as the index (1 -> 12) for regular and leap years. +// The value at index 13 is for the whole year. +// +UINTN CumulativeDays[2][14] = { + { + 0, + 0, + 31, + 31 + 28, + 31 + 28 + 31, + 31 + 28 + 31 + 30, + 31 + 28 + 31 + 30 + 31, + 31 + 28 + 31 + 30 + 31 + 30, + 31 + 28 + 31 + 30 + 31 + 30 + 31, + 31 + 28 + 31 + 30 + 31 + 30 + 31 + 31, + 31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30, + 31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31, + 31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30, + 31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30 + 31 + }, + { + 0, + 0, + 31, + 31 + 29, + 31 + 29 + 31, + 31 + 29 + 31 + 30, + 31 + 29 + 31 + 30 + 31, + 31 + 29 + 31 + 30 + 31 + 30, + 31 + 29 + 31 + 30 + 31 + 30 + 31, + 31 + 29 + 31 + 30 + 31 + 30 + 31 + 31, + 31 + 29 + 31 + 30 + 31 + 30 + 31 + 31 + 30, + 31 + 29 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31, + 31 + 29 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30, + 31 + 29 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31 + 30 + 31 + } +}; + +/* Get the system time as seconds elapsed since midnight, January 1, 1970. */ +//INTN time( +// INTN *timer +// ) +time_t time (time_t *timer) +{ + EFI_STATUS Status; + EFI_TIME Time; + time_t CalTime; + UINTN Year; + + // + // Get the current time and date information + // + Status = gRT->GetTime (&Time, NULL); + if (EFI_ERROR (Status) || (Time.Year < 1970)) { + return 0; + } + + // + // Years Handling + // UTime should now be set to 00:00:00 on Jan 1 of the current year. + // + for (Year = 1970, CalTime = 0; Year != Time.Year; Year++) { + CalTime = CalTime + (time_t)(CumulativeDays[IsLeap(Year)][13] * SECSPERDAY); + } + + // + // Add in number of seconds for current Month, Day, Hour, Minute, Seconds, and TimeZone adjustment + // + CalTime = CalTime + + (time_t)((Time.TimeZone != EFI_UNSPECIFIED_TIMEZONE) ? (Time.TimeZone * 60) : 0) + + (time_t)(CumulativeDays[IsLeap(Time.Year)][Time.Month] * SECSPERDAY) + + (time_t)(((Time.Day > 0) ? Time.Day - 1 : 0) * SECSPERDAY) + + (time_t)(Time.Hour * SECSPERHOUR) + + (time_t)(Time.Minute * 60) + + (time_t)Time.Second; + + if (timer != NULL) { + *timer = CalTime; + } + + return CalTime; +} + +// +// Convert a time value from type time_t to struct tm. +// +struct tm * gmtime (const time_t *timer) +{ + struct tm *GmTime; + UINT16 DayNo; + UINT16 DayRemainder; + time_t Year; + time_t YearNo; + UINT16 TotalDays; + UINT16 MonthNo; + + if (timer == NULL) { + return NULL; + } + + GmTime = malloc (sizeof (struct tm)); + if (GmTime == NULL) { + return NULL; + } + + ZeroMem ((VOID *) GmTime, (UINTN) sizeof (struct tm)); + + DayNo = (UINT16) (*timer / SECSPERDAY); + DayRemainder = (UINT16) (*timer % SECSPERDAY); + + GmTime->tm_sec = (int) (DayRemainder % SECSPERMIN); + GmTime->tm_min = (int) ((DayRemainder % SECSPERHOUR) / SECSPERMIN); + GmTime->tm_hour = (int) (DayRemainder / SECSPERHOUR); + GmTime->tm_wday = (int) ((DayNo + 4) % 7); + + for (Year = 1970, YearNo = 0; DayNo > 0; Year++) { + TotalDays = (UINT16) (IsLeap (Year) ? 366 : 365); + if (DayNo >= TotalDays) { + DayNo = (UINT16) (DayNo - TotalDays); + YearNo++; + } else { + break; + } + } + + GmTime->tm_year = (int) (YearNo + (1970 - 1900)); + GmTime->tm_yday = (int) DayNo; + + for (MonthNo = 12; MonthNo > 1; MonthNo--) { + if (DayNo >= CumulativeDays[IsLeap(Year)][MonthNo]) { + DayNo = (UINT16) (DayNo - (UINT16) (CumulativeDays[IsLeap(Year)][MonthNo])); + break; + } + } + + GmTime->tm_mon = (int) MonthNo - 1; + GmTime->tm_mday = (int) DayNo + 1; + + GmTime->tm_isdst = 0; + GmTime->tm_gmtoff = 0; + GmTime->tm_zone = NULL; + + return GmTime; +} |