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UefiCpuPkg/PiSmmCpuDxeSmm: Allocate buffer for global semaphores

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Get semaphores alignment/size requirement and allocate aligned
buffer for all global spin lock and semaphores.

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 09:55:28 +08:00
committed by Michael Kinney
parent 328f84b156
commit 1d64853193
2 changed files with 65 additions and 0 deletions
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19
UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h
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@@ -354,6 +354,25 @@ typedef struct {
UINT64 MtrrBaseMaskPtr; // Offset 0x58
} PROCESSOR_SMM_DESCRIPTOR;
///
/// All global semaphores' pointer
///
typedef struct {
volatile UINT32 *Counter;
volatile BOOLEAN *InsideSmm;
volatile BOOLEAN *AllCpusInSync;
SPIN_LOCK *PFLock;
SPIN_LOCK *CodeAccessCheckLock;
} SMM_CPU_SEMAPHORE_GLOBAL;
///
/// All semaphores' information
///
typedef struct {
SMM_CPU_SEMAPHORE_GLOBAL SemaphoreGlobal;
} SMM_CPU_SEMAPHORES;
extern IA32_DESCRIPTOR gcSmiGdtr;
extern IA32_DESCRIPTOR gcSmiIdtr;
extern VOID *gcSmiIdtrPtr;