Update CryptoPkg for new ciphers (HMAC, Block Cipher, etc) supports.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10997 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
qlong
222
CryptoPkg/Library/BaseCryptLib/SysCall/RealTimeClock.c
Normal file
222
CryptoPkg/Library/BaseCryptLib/SysCall/RealTimeClock.c
Normal file
@@ -0,0 +1,222 @@
|
||||
/** @file
|
||||
C Run-Time Libraries (CRT) Time Management Routines Wrapper Implementation
|
||||
for OpenSSL-based Cryptographic Library (used in SMM).
|
||||
|
||||
Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>
|
||||
This program and the accompanying materials
|
||||
are licensed and made available under the terms and conditions of the BSD License
|
||||
which accompanies this distribution. The full text of the license may be found at
|
||||
http://opensource.org/licenses/bsd-license.php
|
||||
|
||||
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
||||
|
||||
**/
|
||||
|
||||
#include <Library/BaseLib.h>
|
||||
#include <Library/IoLib.h>
|
||||
#include <OpenSslSupport.h>
|
||||
|
||||
#define PCAT_RTC_ADDRESS_REGISTER 0x70
|
||||
#define PCAT_RTC_DATA_REGISTER 0x71
|
||||
|
||||
#define RTC_ADDRESS_SECONDS 0 // R/W Range 0..59
|
||||
#define RTC_ADDRESS_SECONDS_ALARM 1 // R/W Range 0..59
|
||||
#define RTC_ADDRESS_MINUTES 2 // R/W Range 0..59
|
||||
#define RTC_ADDRESS_MINUTES_ALARM 3 // R/W Range 0..59
|
||||
#define RTC_ADDRESS_HOURS 4 // R/W Range 1..12 or 0..23 Bit 7 is AM/PM
|
||||
#define RTC_ADDRESS_HOURS_ALARM 5 // R/W Range 1..12 or 0..23 Bit 7 is AM/PM
|
||||
#define RTC_ADDRESS_DAY_OF_THE_WEEK 6 // R/W Range 1..7
|
||||
#define RTC_ADDRESS_DAY_OF_THE_MONTH 7 // R/W Range 1..31
|
||||
#define RTC_ADDRESS_MONTH 8 // R/W Range 1..12
|
||||
#define RTC_ADDRESS_YEAR 9 // R/W Range 0..99
|
||||
#define RTC_ADDRESS_REGISTER_A 10 // R/W[0..6] R0[7]
|
||||
#define RTC_ADDRESS_REGISTER_B 11 // R/W
|
||||
#define RTC_ADDRESS_REGISTER_C 12 // RO
|
||||
#define RTC_ADDRESS_REGISTER_D 13 // RO
|
||||
#define RTC_ADDRESS_CENTURY 50 // R/W Range 19..20 Bit 8 is R/W
|
||||
|
||||
//
|
||||
// Register A
|
||||
//
|
||||
typedef struct {
|
||||
UINT8 RS : 4; // Rate Selection Bits
|
||||
UINT8 DV : 3; // Divisor
|
||||
UINT8 UIP : 1; // Update in progress
|
||||
} RTC_REGISTER_A_BITS;
|
||||
|
||||
typedef union {
|
||||
RTC_REGISTER_A_BITS Bits;
|
||||
UINT8 Data;
|
||||
} RTC_REGISTER_A;
|
||||
|
||||
//
|
||||
// Register B
|
||||
//
|
||||
typedef struct {
|
||||
UINT8 DSE : 1; // 0 - Daylight saving disabled 1 - Daylight savings enabled
|
||||
UINT8 MIL : 1; // 0 - 12 hour mode 1 - 24 hour mode
|
||||
UINT8 DM : 1; // 0 - BCD Format 1 - Binary Format
|
||||
UINT8 SQWE : 1; // 0 - Disable SQWE output 1 - Enable SQWE output
|
||||
UINT8 UIE : 1; // 0 - Update INT disabled 1 - Update INT enabled
|
||||
UINT8 AIE : 1; // 0 - Alarm INT disabled 1 - Alarm INT Enabled
|
||||
UINT8 PIE : 1; // 0 - Periodic INT disabled 1 - Periodic INT Enabled
|
||||
UINT8 SET : 1; // 0 - Normal operation. 1 - Updates inhibited
|
||||
} RTC_REGISTER_B_BITS;
|
||||
|
||||
typedef union {
|
||||
RTC_REGISTER_B_BITS Bits;
|
||||
UINT8 Data;
|
||||
} RTC_REGISTER_B;
|
||||
|
||||
//
|
||||
// -- Time Management Routines --
|
||||
//
|
||||
|
||||
#define IsLeap(y) (((y) % 4) == 0 && (((y) % 100) != 0 || ((y) % 400) == 0))
|
||||
#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
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
Read RTC content through its registers.
|
||||
|
||||
@param Address Address offset of RTC. It is recommended to use macros such as
|
||||
RTC_ADDRESS_SECONDS.
|
||||
|
||||
@return The data of UINT8 type read from RTC.
|
||||
**/
|
||||
UINT8
|
||||
RtcRead (
|
||||
IN UINT8 Address
|
||||
)
|
||||
{
|
||||
IoWrite8 (PCAT_RTC_ADDRESS_REGISTER, (UINT8) (Address | (UINT8) (IoRead8 (PCAT_RTC_ADDRESS_REGISTER) & BIT7)));
|
||||
return IoRead8 (PCAT_RTC_DATA_REGISTER);
|
||||
}
|
||||
|
||||
/* Get the system time as seconds elapsed since midnight, January 1, 1970. */
|
||||
//INTN time(
|
||||
// INTN *timer
|
||||
// )
|
||||
time_t time (time_t *timer)
|
||||
{
|
||||
UINT16 Year;
|
||||
UINT8 Month;
|
||||
UINT8 Day;
|
||||
UINT8 Hour;
|
||||
UINT8 Minute;
|
||||
UINT8 Second;
|
||||
UINT8 Century;
|
||||
RTC_REGISTER_A RegisterA;
|
||||
RTC_REGISTER_B RegisterB;
|
||||
BOOLEAN IsPM;
|
||||
UINT16 YearIndex;
|
||||
|
||||
RegisterA.Data = RtcRead (RTC_ADDRESS_REGISTER_A);
|
||||
while (RegisterA.Bits.UIP == 1) {
|
||||
CpuPause();
|
||||
RegisterA.Data = RtcRead (RTC_ADDRESS_REGISTER_A);
|
||||
}
|
||||
|
||||
Second = RtcRead (RTC_ADDRESS_SECONDS);
|
||||
Minute = RtcRead (RTC_ADDRESS_MINUTES);
|
||||
Hour = RtcRead (RTC_ADDRESS_HOURS);
|
||||
Day = RtcRead (RTC_ADDRESS_DAY_OF_THE_MONTH);
|
||||
Month = RtcRead (RTC_ADDRESS_MONTH);
|
||||
Year = RtcRead (RTC_ADDRESS_YEAR);
|
||||
Century = RtcRead (RTC_ADDRESS_CENTURY);
|
||||
|
||||
RegisterB.Data = RtcRead (RTC_ADDRESS_REGISTER_B);
|
||||
|
||||
if ((Hour & BIT7) != 0) {
|
||||
IsPM = TRUE;
|
||||
} else {
|
||||
IsPM = FALSE;
|
||||
}
|
||||
Hour = (UINT8) (Hour & 0x7f);
|
||||
|
||||
if (RegisterB.Bits.DM == 0) {
|
||||
Year = BcdToDecimal8 ((UINT8) Year);
|
||||
Month = BcdToDecimal8 (Month);
|
||||
Day = BcdToDecimal8 (Day);
|
||||
Hour = BcdToDecimal8 (Hour);
|
||||
Minute = BcdToDecimal8 (Minute);
|
||||
Second = BcdToDecimal8 (Second);
|
||||
}
|
||||
Century = BcdToDecimal8 (Century);
|
||||
|
||||
Year = (UINT16) (Century * 100 + Year);
|
||||
|
||||
//
|
||||
// If time is in 12 hour format, convert it to 24 hour format
|
||||
//
|
||||
if (RegisterB.Bits.MIL == 0) {
|
||||
if (IsPM && Hour < 12) {
|
||||
Hour = (UINT8) (Hour + 12);
|
||||
}
|
||||
if (!IsPM && Hour == 12) {
|
||||
Hour = 0;
|
||||
}
|
||||
}
|
||||
|
||||
//
|
||||
// Years Handling
|
||||
// UTime should now be set to 00:00:00 on Jan 1 of the current year.
|
||||
//
|
||||
for (YearIndex = 1970, *timer = 0; YearIndex != Year; YearIndex++) {
|
||||
*timer = *timer + (time_t)(CumulativeDays[IsLeap(YearIndex)][13] * SECSPERDAY);
|
||||
}
|
||||
|
||||
//
|
||||
// Add in number of seconds for current Month, Day, Hour, Minute, Seconds, and TimeZone adjustment
|
||||
//
|
||||
ASSERT (Month <= 12);
|
||||
*timer = *timer +
|
||||
(time_t)(CumulativeDays[IsLeap(Year)][Month] * SECSPERDAY) +
|
||||
(time_t)((Day - 1) * SECSPERDAY) +
|
||||
(time_t)(Hour * SECSPERHOUR) +
|
||||
(time_t)(Minute * 60) +
|
||||
(time_t)Second;
|
||||
|
||||
return *timer;
|
||||
}
|
||||
Reference in New Issue
Block a user