Fixed the issue in which local variable "Status" is used but not defined.
[mirror_edk2.git] / EdkModulePkg / Core / DxeIplPeim / X64 / DxeLoadFunc.c
1 /*++
2
3 Copyright (c) 2006, Intel Corporation
4 All rights reserved. This program and the accompanying materials
5 are licensed and made available under the terms and conditions of the BSD License
6 which accompanies this distribution. The full text of the license may be found at
7 http://opensource.org/licenses/bsd-license.php
8
9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
11
12 Module Name:
13
14 DxeLoadFunc.c
15
16 Abstract:
17
18 Ia32-specifc functionality for DxeLoad.
19
20 --*/
21
22 #include "DxeIpl.h"
23
24 VOID
25 HandOffToDxeCore (
26 IN EFI_PHYSICAL_ADDRESS DxeCoreEntryPoint,
27 IN EFI_PEI_HOB_POINTERS HobList,
28 IN EFI_PEI_PPI_DESCRIPTOR *EndOfPeiSignal
29 )
30 {
31 VOID *BaseOfStack;
32 VOID *TopOfStack;
33 EFI_STATUS Status;
34
35 //
36 // Allocate 128KB for the Stack
37 //
38 BaseOfStack = AllocatePages (EFI_SIZE_TO_PAGES (STACK_SIZE));
39 ASSERT (BaseOfStack != NULL);
40
41 //
42 // Compute the top of the stack we were allocated. Pre-allocate a UINTN
43 // for safety.
44 //
45 TopOfStack = (VOID *) ((UINTN) BaseOfStack + EFI_SIZE_TO_PAGES (STACK_SIZE) * EFI_PAGE_SIZE - CPU_STACK_ALIGNMENT);
46 TopOfStack = ALIGN_POINTER (TopOfStack, CPU_STACK_ALIGNMENT);
47
48 //
49 // End of PEI phase singal
50 //
51 Status = PeiServicesInstallPpi (EndOfPeiSignal);
52 ASSERT_EFI_ERROR (Status);
53
54 SwitchStack (
55 (SWITCH_STACK_ENTRY_POINT)(UINTN)DxeCoreEntryPoint,
56 HobList.Raw,
57 NULL,
58 TopOfStack
59 );
60 }