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| author | jyao1 <jyao1@6f19259b-4bc3-4df7-8a09-765794883524> | 2010-03-03 02:04:37 +0000 |
|---|---|---|
| committer | jyao1 <jyao1@6f19259b-4bc3-4df7-8a09-765794883524> | 2010-03-03 02:04:37 +0000 |
| commit | 06b07ce37c50290822f44bb7efe67dea9c72167b (patch) | |
| tree | 6596cad05c21aa0446afa5584d5d945241d6b428 /MdeModulePkg/Core/PiSmmCore/PiSmmIpl.c | |
| parent | a17b7e9f33e56388cb2030ffaf1956f2a27a7e6b (diff) | |
| download | edk2-06b07ce37c50290822f44bb7efe67dea9c72167b.tar.gz edk2-06b07ce37c50290822f44bb7efe67dea9c72167b.tar.bz2 edk2-06b07ce37c50290822f44bb7efe67dea9c72167b.zip | |
Change the minimal SMM core size from 1MB to 256KB-4K.
Some platforms only enable 1MB, after reserve 1 page for SMM S3. There is at most 1MB-4KB for SMM core.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10158 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg/Core/PiSmmCore/PiSmmIpl.c')
| -rw-r--r-- | MdeModulePkg/Core/PiSmmCore/PiSmmIpl.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/MdeModulePkg/Core/PiSmmCore/PiSmmIpl.c b/MdeModulePkg/Core/PiSmmCore/PiSmmIpl.c index afb6d15bcd..1029a07779 100644 --- a/MdeModulePkg/Core/PiSmmCore/PiSmmIpl.c +++ b/MdeModulePkg/Core/PiSmmCore/PiSmmIpl.c @@ -920,10 +920,10 @@ SmmIplEntry ( }
//
- // Find the largest SMRAM range between 1MB and 4GB that is at least 1MB in size
+ // Find the largest SMRAM range between 1MB and 4GB that is at least 256KB - 4K in size
//
mCurrentSmramRange = NULL;
- for (Index = 0, MaxSize = SIZE_1MB; Index < gSmmCorePrivate->SmramRangeCount; Index++) {
+ for (Index = 0, MaxSize = SIZE_256KB - EFI_PAGE_SIZE; Index < gSmmCorePrivate->SmramRangeCount; Index++) {
if (gSmmCorePrivate->SmramRanges[Index].CpuStart >= BASE_1MB) {
if ((gSmmCorePrivate->SmramRanges[Index].CpuStart + gSmmCorePrivate->SmramRanges[Index].PhysicalSize) <= BASE_4GB) {
if (gSmmCorePrivate->SmramRanges[Index].PhysicalSize >= MaxSize) {
|