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MdeModulePkg PiSmmCore: Update comments in InitializeMemoryServices

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Add the comments to describe Free and Allocated SMRAM are added separately.

Cc: Star Zeng <star.zeng@intel.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Liming Gao <liming.gao@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
This commit is contained in:
Liming Gao 2016-12-01 14:30:18 +08:00
parent 60131098f3
commit bb34cc8c38
1 changed files with 4 additions and 1 deletions
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5
MdeModulePkg/Core/PiSmmCore/Pool.c
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@ -85,7 +85,7 @@ SmmInitializeMemoryServices (
SmramRanges[CurrentSmramRangesIndex].PhysicalSize = SmramRanges[CurrentSmramRangesIndex].PhysicalSize - SmmCodeSize; SmramRanges[CurrentSmramRangesIndex].PhysicalSize = SmramRanges[CurrentSmramRangesIndex].PhysicalSize - SmmCodeSize;
} }
// //
// Initialize free SMRAM regions // Add Free SMRAM regions
// Need add Free memory at first, to let gSmmMemoryMap record data // Need add Free memory at first, to let gSmmMemoryMap record data
// //
for (Index = 0; Index < SmramRangeCount; Index++) { for (Index = 0; Index < SmramRangeCount; Index++) {
@ -100,6 +100,9 @@ SmmInitializeMemoryServices (
); );
} }
//
// Add the allocated SMRAM regions
//
for (Index = 0; Index < SmramRangeCount; Index++) { for (Index = 0; Index < SmramRangeCount; Index++) {
if ((SmramRanges[Index].RegionState & (EFI_ALLOCATED | EFI_NEEDS_TESTING | EFI_NEEDS_ECC_INITIALIZATION)) == 0) { if ((SmramRanges[Index].RegionState & (EFI_ALLOCATED | EFI_NEEDS_TESTING | EFI_NEEDS_ECC_INITIALIZATION)) == 0) {
continue; continue;