MdeModulePkg DXE Core: Update implementation of SetMemorySpaceAttributes() DXE Service to return EFI_NOT_AVAILABLE_YET if CPU Arch Protocol is not available per PI 1.2 Errata C spec.

Signed-off-by: rsun3
Reviewed-by: lgao4


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12766 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 12 insertions, 2 deletions

diff --git a/MdeModulePkg/Core/Dxe/DxeMain.h b/MdeModulePkg/Core/Dxe/DxeMain.h
index 4949b9f..8cdfe06 100644
--- a/MdeModulePkg/Core/Dxe/DxeMain.h
+++ b/MdeModulePkg/Core/Dxe/DxeMain.h
@@ -1683,8 +1683,18 @@ CoreGetMemorySpaceDescriptor (
   @param  Length                 Specified length

   @param  Attributes             Specified attributes

 

-  @retval EFI_SUCCESS            Successfully set attribute of a segment of

-                                 memory space.

+  @retval EFI_SUCCESS           The attributes were set for the memory region.

+  @retval EFI_INVALID_PARAMETER Length is zero. 

+  @retval EFI_UNSUPPORTED       The processor does not support one or more bytes of the memory

+                                resource range specified by BaseAddress and Length.

+  @retval EFI_UNSUPPORTED       The bit mask of attributes is not support for the memory resource

+                                range specified by BaseAddress and Length.

+  @retval EFI_ACCESS_DEFINED    The attributes for the memory resource range specified by

+                                BaseAddress and Length cannot be modified.

+  @retval EFI_OUT_OF_RESOURCES  There are not enough system resources to modify the attributes of

+                                the memory resource range.

+  @retval EFI_NOT_AVAILABLE_YET The attributes cannot be set because CPU architectural protocol is

+                                not available yet.

 

 **/

 EFI_STATUS