diff options
Diffstat (limited to 'UefiCpuPkg/PiSmmCpuDxeSmm/SyncTimer.c')
| -rw-r--r-- | UefiCpuPkg/PiSmmCpuDxeSmm/SyncTimer.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/SyncTimer.c b/UefiCpuPkg/PiSmmCpuDxeSmm/SyncTimer.c index 0c070c5736..8d29ba7326 100644 --- a/UefiCpuPkg/PiSmmCpuDxeSmm/SyncTimer.c +++ b/UefiCpuPkg/PiSmmCpuDxeSmm/SyncTimer.c @@ -1,7 +1,7 @@ /** @file
SMM Timer feature support
-Copyright (c) 2009 - 2015, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2009 - 2024, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
@@ -9,6 +9,9 @@ SPDX-License-Identifier: BSD-2-Clause-Patent #include "PiSmmCpuDxeSmm.h"
UINT64 mTimeoutTicker = 0;
+
+UINT64 mTimeoutTicker2 = 0;
+
//
// Number of counts in a roll-over cycle of the performance counter.
//
@@ -36,6 +39,10 @@ InitializeSmmTimer ( MultU64x64 (TimerFrequency, PcdGet64 (PcdCpuSmmApSyncTimeout)),
1000 * 1000
);
+ mTimeoutTicker2 = DivU64x32 (
+ MultU64x64 (TimerFrequency, PcdGet64 (PcdCpuSmmApSyncTimeout2)),
+ 1000 * 1000
+ );
if (End < Start) {
mCountDown = TRUE;
mCycle = Start - End;
@@ -59,15 +66,17 @@ StartSyncTimer ( }
/**
- Check if the SMM AP Sync timer is timeout.
+ Check if the SMM AP Sync Timer is timeout specified by Timeout.
- @param Timer The start timer from the begin.
+ @param Timer The start timer from the begin.
+ @param Timeout The timeout ticker to wait.
**/
BOOLEAN
EFIAPI
IsSyncTimerTimeout (
- IN UINT64 Timer
+ IN UINT64 Timer,
+ IN UINT64 Timeout
)
{
UINT64 CurrentTimer;
@@ -105,5 +114,5 @@ IsSyncTimerTimeout ( }
}
- return (BOOLEAN)(Delta >= mTimeoutTicker);
+ return (BOOLEAN)(Delta >= Timeout);
}
|