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| author | Jeff Fan <jeff.fan@intel.com> | 2016-06-29 09:00:13 +0800 |
|---|---|---|
| committer | Michael Kinney <michael.d.kinney@intel.com> | 2016-07-14 08:57:47 -0700 |
| commit | 6c4c15fae665e4c464ab56c830efb7a6399e11dd (patch) | |
| tree | c4aa9999e25872c2fe8b0da11390bad14d254e30 /UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c | |
| parent | 8b9311b79557311e137d0ffdc7934fea3966b0d7 (diff) | |
| download | edk2-6c4c15fae665e4c464ab56c830efb7a6399e11dd.tar.gz edk2-6c4c15fae665e4c464ab56c830efb7a6399e11dd.tar.bz2 edk2-6c4c15fae665e4c464ab56c830efb7a6399e11dd.zip | |
UefiCpuPkg/PiSmmCpuDxeSmm: Add MemoryMapped in SetProcessorRegister()
REGISTER_TYPE in UefiCpuPkg/Include/AcpiCpuData.h defines a MemoryMapped
enum value. However support for the MemoryMapped enum is missing from
the implementation of SetProcessorRegister(). This patch adds support
for MemoryMapped type SetProcessorRegister().
One spin lock is added to avoid potential conflict when multiple processor
update the same memory space.
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/PiSmmCpuDxeSmm.c')
| -rw-r--r-- | UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c b/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c index 8b3bb343ce..0858d8f4d7 100644 --- a/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c +++ b/UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c @@ -485,6 +485,8 @@ SmmRestoreCpu ( DEBUG ((EFI_D_INFO, "SmmRestoreCpu()\n"));
+ InitializeSpinLock (mMemoryMappedLock);
+
//
// See if there is enough context to resume PEI Phase
//
|