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UefiCpuPkg/PiSmmCpuDxeSmm: Using global semaphores in aligned buffer

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Update all global semaphores to the ones in allocated aligned
semaphores buffer.

Cc: Michael Kinney <michael.d.kinney@intel.com>
Cc: Feng Tian <feng.tian@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jeff Fan <jeff.fan@intel.com>
Reviewed-by: Feng Tian <feng.tian@intel.com>
Reviewed-by: Michael Kinney <michael.d.kinney@intel.com>
Regression-tested-by: Laszlo Ersek <lersek@redhat.com>
This commit is contained in:
Jeff Fan
2016-03-22 10:15:53 +08:00
committed by Michael Kinney
parent d67b73cc38
commit fe3a75bc41
5 changed files with 51 additions and 45 deletions
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16
UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c
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@@ -1,7 +1,7 @@
/** @file
Agent Module to load other modules to deploy SMM Entry Vector for X86 CPU.
Copyright (c) 2009 - 2015, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2009 - 2016, 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
@@ -104,7 +104,7 @@ BOOLEAN mSmmCodeAccessCheckEnable = FALSE;
//
// Spin lock used to serialize setting of SMM Code Access Check feature
//
SPIN_LOCK mConfigSmmCodeAccessCheckLock;
SPIN_LOCK *mConfigSmmCodeAccessCheckLock = NULL;
/**
Initialize IDT to setup exception handlers for SMM.
@@ -1338,7 +1338,7 @@ ConfigSmmCodeAccessCheckOnCurrentProcessor (
//
// Release the spin lock user to serialize the updates to the SMM Feature Control MSR
//
ReleaseSpinLock (&mConfigSmmCodeAccessCheckLock);
ReleaseSpinLock (mConfigSmmCodeAccessCheckLock);
}
/**
@@ -1374,13 +1374,13 @@ ConfigSmmCodeAccessCheck (
//
// Initialize the lock used to serialize the MSR programming in BSP and all APs
//
InitializeSpinLock (&mConfigSmmCodeAccessCheckLock);
InitializeSpinLock (mConfigSmmCodeAccessCheckLock);
//
// Acquire Config SMM Code Access Check spin lock. The BSP will release the
// spin lock when it is done executing ConfigSmmCodeAccessCheckOnCurrentProcessor().
//
AcquireSpinLock (&mConfigSmmCodeAccessCheckLock);
AcquireSpinLock (mConfigSmmCodeAccessCheckLock);
//
// Enable SMM Code Access Check feature on the BSP.
@@ -1397,7 +1397,7 @@ ConfigSmmCodeAccessCheck (
// Acquire Config SMM Code Access Check spin lock. The AP will release the
// spin lock when it is done executing ConfigSmmCodeAccessCheckOnCurrentProcessor().
//
AcquireSpinLock (&mConfigSmmCodeAccessCheckLock);
AcquireSpinLock (mConfigSmmCodeAccessCheckLock);
//
// Call SmmStartupThisAp() to enable SMM Code Access Check on an AP.
@@ -1408,14 +1408,14 @@ ConfigSmmCodeAccessCheck (
//
// Wait for the AP to release the Config SMM Code Access Check spin lock.
//
while (!AcquireSpinLockOrFail (&mConfigSmmCodeAccessCheckLock)) {
while (!AcquireSpinLockOrFail (mConfigSmmCodeAccessCheckLock)) {
CpuPause ();
}
//
// Release the Config SMM Code Access Check spin lock.
//
ReleaseSpinLock (&mConfigSmmCodeAccessCheckLock);
ReleaseSpinLock (mConfigSmmCodeAccessCheckLock);
}
}
}