Removed CommonHeader.h from MdePkg & MdeModulePkg
[mirror_edk2.git] / MdeModulePkg / Core / DxeIplPeim / Ipf / DxeLoadFunc.c
1 /*++
2
3 Copyright (c) 2006 - 2007, 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 IpfDxeLoad.c
15
16 Abstract:
17
18 Ipf-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 VOID *BspStore;
34 EFI_STATUS Status;
35
36 //
37 // Allocate 128KB for the Stack
38 //
39 BaseOfStack = AllocatePages (EFI_SIZE_TO_PAGES (STACK_SIZE));
40 ASSERT (BaseOfStack != NULL);
41
42 //
43 // Allocate 16KB for the BspStore
44 //
45 BspStore = AllocatePages (EFI_SIZE_TO_PAGES (BSP_STORE_SIZE));
46 ASSERT (BspStore != NULL);
47 //
48 // Build BspStoreHob
49 //
50 BuildBspStoreHob ((EFI_PHYSICAL_ADDRESS) (UINTN) BspStore, BSP_STORE_SIZE, EfiBootServicesData);
51
52 //
53 // Compute the top of the stack we were allocated. Pre-allocate a UINTN
54 // for safety.
55 //
56 TopOfStack = (VOID *) ((UINTN) BaseOfStack + EFI_SIZE_TO_PAGES (STACK_SIZE) * EFI_PAGE_SIZE - CPU_STACK_ALIGNMENT);
57 TopOfStack = ALIGN_POINTER (TopOfStack, CPU_STACK_ALIGNMENT);
58
59 //
60 // End of PEI phase singal
61 //
62 Status = PeiServicesInstallPpi (EndOfPeiSignal);
63 ASSERT_EFI_ERROR (Status);
64
65 SwitchStack (
66 (SWITCH_STACK_ENTRY_POINT)(UINTN)DxeCoreEntryPoint,
67 HobList.Raw,
68 NULL,
69 TopOfStack,
70 BspStore
71 );
72 }