Enable the Load Module At fixed Address feature

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9937 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 15 insertions, 1 deletions

diff --git a/MdeModulePkg/Core/Dxe/DxeMain/DxeMain.c b/MdeModulePkg/Core/Dxe/DxeMain/DxeMain.c
index 52f9437b9e..5d1d6df202 100644
--- a/MdeModulePkg/Core/Dxe/DxeMain/DxeMain.c
+++ b/MdeModulePkg/Core/Dxe/DxeMain/DxeMain.c
@@ -210,6 +210,11 @@ EFI_DECOMPRESS_PROTOCOL  gEfiDecompress = {
 };

 

 //

+// For Loading modules at fixed address feature, the configuration table is to cache the top address below which to load 

+// Runtime code&boot time code 

+//

+GLOBAL_REMOVE_IF_UNREFERENCED EFI_LOAD_FIXED_ADDRESS_CONFIGURATION_TABLE    gLoadModuleAtFixAddressConfigurationTable;

+

 // Main entry point to the DXE Core

 //

 

@@ -284,7 +289,16 @@ DxeMain (
   //

   Status = CoreInstallConfigurationTable (&gEfiMemoryTypeInformationGuid, &gMemoryTypeInformation);

   ASSERT_EFI_ERROR (Status);

-

+  

+  //

+  // If Loading modules At fixed address feature is enabled, install Load moduels at fixed address 

+  // Configuration Table so that user could easily to retrieve the top address to load Dxe and PEI

+  // Code and Tseg base to load SMM driver. 

+  //

+  if (FixedPcdGet64(PcdLoadModuleAtFixAddressEnable) != 0) {

+    Status = CoreInstallConfigurationTable (&gLoadFixedAddressConfigurationTableGuid, &gLoadModuleAtFixAddressConfigurationTable);

+    ASSERT_EFI_ERROR (Status);

+  }

   //

   // Report Status Code here for DXE_ENTRY_POINT once it is available

   //