diff options
Diffstat (limited to 'UefiCpuPkg/PiSmmCpuDxeSmm')
| -rw-r--r-- | UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c | 11 | ||||
| -rw-r--r-- | UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h | 11 |
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;
|