2 Ia32-specifc functionality for DxeLoad.
4 Copyright (c) 2006 - 2008, Intel Corporation. <BR>
5 All rights reserved. This program and the accompanying materials
6 are licensed and made available under the terms and conditions of the BSD License
7 which accompanies this distribution. The full text of the license may be found at
8 http://opensource.org/licenses/bsd-license.php
10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
19 IN EFI_PHYSICAL_ADDRESS DxeCoreEntryPoint
,
20 IN EFI_PEI_HOB_POINTERS HobList
,
21 IN EFI_PEI_PPI_DESCRIPTOR
*EndOfPeiSignal
29 // Allocate 128KB for the Stack
31 BaseOfStack
= AllocatePages (EFI_SIZE_TO_PAGES (STACK_SIZE
));
32 ASSERT (BaseOfStack
!= NULL
);
35 // Compute the top of the stack we were allocated. Pre-allocate a UINTN
38 TopOfStack
= (VOID
*) ((UINTN
) BaseOfStack
+ EFI_SIZE_TO_PAGES (STACK_SIZE
) * EFI_PAGE_SIZE
- CPU_STACK_ALIGNMENT
);
39 TopOfStack
= ALIGN_POINTER (TopOfStack
, CPU_STACK_ALIGNMENT
);
42 // End of PEI phase singal
44 Status
= PeiServicesInstallPpi (EndOfPeiSignal
);
45 ASSERT_EFI_ERROR (Status
);
48 // Update the contents of BSP stack HOB to reflect the real stack info passed to DxeCore.
50 UpdateStackHob ((EFI_PHYSICAL_ADDRESS
)(UINTN
) BaseOfStack
, STACK_SIZE
);
53 (SWITCH_STACK_ENTRY_POINT
)(UINTN
)DxeCoreEntryPoint
,