1 /** @file
2 *  Main file supporting the transition to PEI Core in Normal World for Versatile Express
3 *
4 *  Copyright (c) 2011, ARM Limited. All rights reserved.
5 *
6 *  This program and the accompanying materials
7 *  are licensed and made available under the terms and conditions of the BSD License
8 *  which accompanies this distribution.  The full text of the license may be found at
9 *  http://opensource.org/licenses/bsd-license.php
10 *
11 *  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
12 *  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
13 *
14 **/
15 #ifndef __PREPEICORE_H_
16 #define __PREPEICORE_H_
17 
18 #include <Library/ArmLib.h>
19 #include <Library/ArmPlatformLib.h>
20 #include <Library/BaseMemoryLib.h>
21 #include <Library/DebugLib.h>
22 #include <Library/IoLib.h>
23 #include <Library/PcdLib.h>
24 
25 #include <PiPei.h>
26 #include <Ppi/TemporaryRamSupport.h>
27 
28 VOID
29 CreatePpiList (
30   OUT UINTN                   *PpiListSize,
31   OUT EFI_PEI_PPI_DESCRIPTOR  **PpiList
32   );
33 
34 EFI_STATUS
35 EFIAPI
36 PrePeiCoreTemporaryRamSupport (
37   IN CONST EFI_PEI_SERVICES   **PeiServices,
38   IN EFI_PHYSICAL_ADDRESS     TemporaryMemoryBase,
39   IN EFI_PHYSICAL_ADDRESS     PermanentMemoryBase,
40   IN UINTN                    CopySize
41   );
42 
43 VOID
44 SecSwitchStack (
45   INTN    StackDelta
46   );
47 
48 // Vector Table for Pei Phase
49 VOID  PeiVectorTable (VOID);
50 
51 VOID
52 EFIAPI
53 PrimaryMain (
54   IN  EFI_PEI_CORE_ENTRY_POINT  PeiCoreEntryPoint
55   );
56 
57 /*
58  * This is the main function for secondary cores. They loop around until a non Null value is written to
59  * SYS_FLAGS register.The SYS_FLAGS register is platform specific.
60  * Note:The secondary cores, while executing secondary_main, assumes that:
61  *      : SGI 0 is configured as Non-secure interrupt
62  *      : Priority Mask is configured to allow SGI 0
63  *      : Interrupt Distributor and CPU interfaces are enabled
64  *
65  */
66 VOID
67 EFIAPI
68 SecondaryMain (
69   IN UINTN MpId
70   );
71 
72 VOID
73 PeiCommonExceptionEntry (
74   IN UINT32 Entry,
75   IN UINTN LR
76   );
77 
78 #endif
79