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author | Jeff Fan <jeff.fan@intel.com> | 2016-03-22 10:36:28 +0800 |
---|---|---|
committer | Michael Kinney <michael.d.kinney@intel.com> | 2016-05-24 15:20:17 -0700 |
commit | 695e62d1419cf3a8ab65a96c86c9cf58d4206d61 (patch) | |
tree | a8e3c5cce7e6a0cca345976b9e219e5afa74de66 /UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c | |
parent | ed3d5ecb342dd6cca299ac72b30d4855a8b804a4 (diff) | |
download | edk2-695e62d1419cf3a8ab65a96c86c9cf58d4206d61.tar.gz edk2-695e62d1419cf3a8ab65a96c86c9cf58d4206d61.tar.bz2 edk2-695e62d1419cf3a8ab65a96c86c9cf58d4206d61.zip |
UefiCpuPkg/PiSmmCpuDxeSmm: Allocate buffer for MSRs semaphores
Allocate MSRs semaphores in allocated aligned semaphores buffer.
And add it into semaphores structure.
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>
Diffstat (limited to 'UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c')
-rw-r--r-- | UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c b/UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c index 399315bad8..add770ff3c 100644 --- a/UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c +++ b/UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c @@ -1210,6 +1210,7 @@ InitializeSmmCpuSemaphores ( UINTN TotalSize;
UINTN GlobalSemaphoresSize;
UINTN CpuSemaphoresSize;
+ UINTN MsrSemahporeSize;
UINTN SemaphoreSize;
UINTN Pages;
UINTN *SemaphoreBlock;
@@ -1219,7 +1220,8 @@ InitializeSmmCpuSemaphores ( ProcessorCount = gSmmCpuPrivate->SmmCoreEntryContext.NumberOfCpus;
GlobalSemaphoresSize = (sizeof (SMM_CPU_SEMAPHORE_GLOBAL) / sizeof (VOID *)) * SemaphoreSize;
CpuSemaphoresSize = (sizeof (SMM_CPU_SEMAPHORE_CPU) / sizeof (VOID *)) * ProcessorCount * SemaphoreSize;
- TotalSize = GlobalSemaphoresSize + CpuSemaphoresSize;
+ MsrSemahporeSize = MSR_SPIN_LOCK_INIT_NUM * SemaphoreSize;
+ TotalSize = GlobalSemaphoresSize + CpuSemaphoresSize + MsrSemahporeSize;
DEBUG((EFI_D_INFO, "One Semaphore Size = 0x%x\n", SemaphoreSize));
DEBUG((EFI_D_INFO, "Total Semaphores Size = 0x%x\n", TotalSize));
Pages = EFI_SIZE_TO_PAGES (TotalSize);
@@ -1246,6 +1248,12 @@ InitializeSmmCpuSemaphores ( SemaphoreAddr += ProcessorCount * SemaphoreSize;
mSmmCpuSemaphores.SemaphoreCpu.Present = (BOOLEAN *)SemaphoreAddr;
+ SemaphoreAddr = (UINTN)SemaphoreBlock + GlobalSemaphoresSize + CpuSemaphoresSize;
+ mSmmCpuSemaphores.SemaphoreMsr.Msr = (SPIN_LOCK *)SemaphoreAddr;
+ mSmmCpuSemaphores.SemaphoreMsr.AvailableCounter =
+ ((UINTN)SemaphoreBlock + Pages * SIZE_4KB - SemaphoreAddr) / SemaphoreSize;
+ ASSERT (mSmmCpuSemaphores.SemaphoreMsr.AvailableCounter >= MSR_SPIN_LOCK_INIT_NUM);
+
mSmmMpSyncData->Counter = mSmmCpuSemaphores.SemaphoreGlobal.Counter;
mSmmMpSyncData->InsideSmm = mSmmCpuSemaphores.SemaphoreGlobal.InsideSmm;
mSmmMpSyncData->AllCpusInSync = mSmmCpuSemaphores.SemaphoreGlobal.AllCpusInSync;
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