diff options
| author | Jiewen Yao <jiewen.yao@intel.com> | 2016-06-29 10:19:57 +0800 |
|---|---|---|
| committer | Jiewen Yao <jiewen.yao@intel.com> | 2016-07-01 09:03:59 +0800 |
| commit | 10e4e4f6277decbc58038cd54b38732fc167e369 (patch) | |
| tree | 1cbca10a4f50b8d4b48dd480552edbd83a439672 /MdeModulePkg/Core | |
| parent | 599c45ff0b2bbc53a4ee3d82aab46c2cf3c78889 (diff) | |
| download | edk2-platforms-10e4e4f6277decbc58038cd54b38732fc167e369.tar.xz | |
MdeModulePkg/PiSmmCore: Replace BASE_4GB with MAX_ADDRESS check.
PI specification Vol 4 - SMM does not have any limitation of BASE_4GB for SMM.
So we should replace BASE_4GB check with MAX_ADDRESS check to make sure
the SMM memory is accessible by SMM Core.
Cc: Jeff Fan <jeff.fan@intel.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jiewen Yao <jiewen.yao@intel.com>
Reviewed-by: Jeff Fan <jeff.fan@intel.com>
Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Diffstat (limited to 'MdeModulePkg/Core')
| -rw-r--r-- | MdeModulePkg/Core/PiSmmCore/PiSmmIpl.c | 2 | ||||
| -rw-r--r-- | MdeModulePkg/Core/PiSmmCore/Pool.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/MdeModulePkg/Core/PiSmmCore/PiSmmIpl.c b/MdeModulePkg/Core/PiSmmCore/PiSmmIpl.c index acfcc83e4f..acb852b8dd 100644 --- a/MdeModulePkg/Core/PiSmmCore/PiSmmIpl.c +++ b/MdeModulePkg/Core/PiSmmCore/PiSmmIpl.c @@ -1556,7 +1556,7 @@ SmmIplEntry ( }
if (gSmmCorePrivate->SmramRanges[Index].CpuStart >= BASE_1MB) {
- if ((gSmmCorePrivate->SmramRanges[Index].CpuStart + gSmmCorePrivate->SmramRanges[Index].PhysicalSize) <= BASE_4GB) {
+ if ((gSmmCorePrivate->SmramRanges[Index].CpuStart + gSmmCorePrivate->SmramRanges[Index].PhysicalSize - 1) <= MAX_ADDRESS) {
if (gSmmCorePrivate->SmramRanges[Index].PhysicalSize >= MaxSize) {
MaxSize = gSmmCorePrivate->SmramRanges[Index].PhysicalSize;
mCurrentSmramRange = &gSmmCorePrivate->SmramRanges[Index];
diff --git a/MdeModulePkg/Core/PiSmmCore/Pool.c b/MdeModulePkg/Core/PiSmmCore/Pool.c index 761988e416..79847b4bb6 100644 --- a/MdeModulePkg/Core/PiSmmCore/Pool.c +++ b/MdeModulePkg/Core/PiSmmCore/Pool.c @@ -67,7 +67,7 @@ SmmInitializeMemoryServices ( }
if (SmramRanges[Index].CpuStart >= BASE_1MB) {
- if ((SmramRanges[Index].CpuStart + SmramRanges[Index].PhysicalSize) <= BASE_4GB) {
+ if ((SmramRanges[Index].CpuStart + SmramRanges[Index].PhysicalSize - 1) <= MAX_ADDRESS) {
if (SmramRanges[Index].PhysicalSize >= MaxSize) {
MaxSize = SmramRanges[Index].PhysicalSize;
CurrentSmramRangesIndex = Index;
|