MdeModulePkg DxeCore: Enhance MemoryAttributesTable installation

Current MemoryAttributesTable will be installed on ReadyToBoot event
at TPL_NOTIFY level, it maybe incorrect when PcdHiiOsRuntimeSupport
= TRUE as HiiDatabaseDxe will have runtime memory allocation for HII
OS runtime support on and after ReadyToBoot. The issue was exposed at
http://article.gmane.org/gmane.comp.bios.edk2.devel/10125.

To make sure the correctness of MemoryAttributesTable, this patch is
to enhance MemoryAttributesTable installation to install
MemoryAttributesTable on ReadyToBoot event at TPL_CALLBACK - 1 level
to make sure it is at the last of ReadyToBoot event, and also hook
runtime memory allocation after ReadyToBoot.

Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Cc: Feng Tian <feng.tian@intel.com>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
This commit is contained in:
Star Zeng
2016-04-20 17:27:40 +08:00
parent 925f0d1ae1
commit 74a8877033
5 changed files with 92 additions and 15 deletions

View File

@@ -207,6 +207,7 @@ EFI_SYSTEM_TABLE *gDxeCoreST = NULL;
EFI_RUNTIME_SERVICES *gDxeCoreRT = &mEfiRuntimeServicesTableTemplate;
EFI_HANDLE gDxeCoreImageHandle = NULL;
BOOLEAN gMemoryMapTerminated = FALSE;
//
// EFI Decompress Protocol
@@ -751,6 +752,8 @@ CoreExitBootServices (
return Status;
}
gMemoryMapTerminated = TRUE;
//
// Notify other drivers that we are exiting boot services.
//