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-rw-r--r--UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c11
-rw-r--r--UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h11
2 files changed, 21 insertions, 1 deletions
diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c b/UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c
index 22ff813b34..241cd35d32 100644
--- a/UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c
+++ b/UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c
@@ -1208,6 +1208,7 @@ InitializeSmmCpuSemaphores (
UINTN ProcessorCount;
UINTN TotalSize;
UINTN GlobalSemaphoresSize;
+ UINTN CpuSemaphoresSize;
UINTN SemaphoreSize;
UINTN Pages;
UINTN *SemaphoreBlock;
@@ -1216,7 +1217,8 @@ InitializeSmmCpuSemaphores (
SemaphoreSize = GetSpinLockProperties ();
ProcessorCount = gSmmCpuPrivate->SmmCoreEntryContext.NumberOfCpus;
GlobalSemaphoresSize = (sizeof (SMM_CPU_SEMAPHORE_GLOBAL) / sizeof (VOID *)) * SemaphoreSize;
- TotalSize = GlobalSemaphoresSize;
+ CpuSemaphoresSize = (sizeof (SMM_CPU_SEMAPHORE_CPU) / sizeof (VOID *)) * ProcessorCount * SemaphoreSize;
+ TotalSize = GlobalSemaphoresSize + CpuSemaphoresSize;
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);
@@ -1236,6 +1238,13 @@ InitializeSmmCpuSemaphores (
mSmmCpuSemaphores.SemaphoreGlobal.CodeAccessCheckLock
= (SPIN_LOCK *)SemaphoreAddr;
+ SemaphoreAddr = (UINTN)SemaphoreBlock + GlobalSemaphoresSize;
+ mSmmCpuSemaphores.SemaphoreCpu.Busy = (SPIN_LOCK *)SemaphoreAddr;
+ SemaphoreAddr += ProcessorCount * SemaphoreSize;
+ mSmmCpuSemaphores.SemaphoreCpu.Run = (UINT32 *)SemaphoreAddr;
+ SemaphoreAddr += ProcessorCount * SemaphoreSize;
+ mSmmCpuSemaphores.SemaphoreCpu.Present = (BOOLEAN *)SemaphoreAddr;
+
mSmmMpSyncData->Counter = mSmmCpuSemaphores.SemaphoreGlobal.Counter;
mSmmMpSyncData->InsideSmm = mSmmCpuSemaphores.SemaphoreGlobal.InsideSmm;
mSmmMpSyncData->AllCpusInSync = mSmmCpuSemaphores.SemaphoreGlobal.AllCpusInSync;
diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h b/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h
index eca42aa8d6..5a0468027d 100644
--- a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h
+++ b/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h
@@ -367,10 +367,21 @@ typedef struct {
} SMM_CPU_SEMAPHORE_GLOBAL;
///
+/// All semaphores for each processor
+///
+typedef struct {
+ SPIN_LOCK *Busy;
+ volatile UINT32 *Run;
+ volatile BOOLEAN *Present;
+} SMM_CPU_SEMAPHORE_CPU;
+
+
+///
/// All semaphores' information
///
typedef struct {
SMM_CPU_SEMAPHORE_GLOBAL SemaphoreGlobal;
+ SMM_CPU_SEMAPHORE_CPU SemaphoreCpu;
} SMM_CPU_SEMAPHORES;
extern IA32_DESCRIPTOR gcSmiGdtr;