UefiCpuPkg/PiSmmCpuDxeSmm: Allocate buffer for each CPU semaphores

[mirror_edk2.git] / UefiCpuPkg / PiSmmCpuDxeSmm / MpService.c

diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c b/UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c
index 22ff813b344d58ba71269e74a8fef4160ce3efa4..241cd35d32a2989ba0ba0da177504bb256b9c0dc 100644 (file)
--- a/UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c
+++ b/UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c
@@ -1208,6 +1208,7 @@ InitializeSmmCpuSemaphores (
   UINTN                      ProcessorCount;\r
   UINTN                      TotalSize;\r
   UINTN                      GlobalSemaphoresSize;\r
+  UINTN                      CpuSemaphoresSize;\r
   UINTN                      SemaphoreSize;\r
   UINTN                      Pages;\r
   UINTN                      *SemaphoreBlock;\r
@@ -1216,7 +1217,8 @@ InitializeSmmCpuSemaphores (
   SemaphoreSize   = GetSpinLockProperties ();\r
   ProcessorCount = gSmmCpuPrivate->SmmCoreEntryContext.NumberOfCpus;\r
   GlobalSemaphoresSize = (sizeof (SMM_CPU_SEMAPHORE_GLOBAL) / sizeof (VOID *)) * SemaphoreSize;\r
-  TotalSize = GlobalSemaphoresSize;\r
+  CpuSemaphoresSize    = (sizeof (SMM_CPU_SEMAPHORE_CPU) / sizeof (VOID *)) * ProcessorCount * SemaphoreSize;\r
+  TotalSize = GlobalSemaphoresSize + CpuSemaphoresSize;\r
   DEBUG((EFI_D_INFO, "One Semaphore Size    = 0x%x\n", SemaphoreSize));\r
   DEBUG((EFI_D_INFO, "Total Semaphores Size = 0x%x\n", TotalSize));\r
   Pages = EFI_SIZE_TO_PAGES (TotalSize);\r
@@ -1236,6 +1238,13 @@ InitializeSmmCpuSemaphores (
   mSmmCpuSemaphores.SemaphoreGlobal.CodeAccessCheckLock\r
                                                   = (SPIN_LOCK *)SemaphoreAddr;\r
 \r
+  SemaphoreAddr = (UINTN)SemaphoreBlock + GlobalSemaphoresSize;\r
+  mSmmCpuSemaphores.SemaphoreCpu.Busy    = (SPIN_LOCK *)SemaphoreAddr;\r
+  SemaphoreAddr += ProcessorCount * SemaphoreSize;\r
+  mSmmCpuSemaphores.SemaphoreCpu.Run     = (UINT32 *)SemaphoreAddr;\r
+  SemaphoreAddr += ProcessorCount * SemaphoreSize;\r
+  mSmmCpuSemaphores.SemaphoreCpu.Present = (BOOLEAN *)SemaphoreAddr;\r
+\r
   mSmmMpSyncData->Counter       = mSmmCpuSemaphores.SemaphoreGlobal.Counter;\r
   mSmmMpSyncData->InsideSmm     = mSmmCpuSemaphores.SemaphoreGlobal.InsideSmm;\r
   mSmmMpSyncData->AllCpusInSync = mSmmCpuSemaphores.SemaphoreGlobal.AllCpusInSync;\r