1 /** @file
2 * Main file supporting the transition to PEI Core in Normal World for Versatile Express
3 *
4 * Copyright (c) 2012-2013, 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
16 #include <Library/PrintLib.h>
17 #include <Library/SerialPortLib.h>
18
19 #include "PrePeiCore.h"
20
21 VOID
PeiCommonExceptionEntry(IN UINT32 Entry,IN UINTN LR)22 PeiCommonExceptionEntry (
23 IN UINT32 Entry,
24 IN UINTN LR
25 )
26 {
27 CHAR8 Buffer[100];
28 UINTN CharCount;
29
30 switch (Entry) {
31 case EXCEPT_AARCH64_SYNCHRONOUS_EXCEPTIONS:
32 CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"Synchronous Exception at 0x%X\n\r", LR);
33 break;
34 case EXCEPT_AARCH64_IRQ:
35 CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"IRQ Exception at 0x%X\n\r", LR);
36 break;
37 case EXCEPT_AARCH64_FIQ:
38 CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"FIQ Exception at 0x%X\n\r", LR);
39 break;
40 case EXCEPT_AARCH64_SERROR:
41 CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"SError/Abort Exception at 0x%X\n\r", LR);
42 break;
43 default:
44 CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"Unknown Exception at 0x%X\n\r", LR);
45 break;
46 }
47
48 SerialPortWrite ((UINT8 *) Buffer, CharCount);
49
50 while(1);
51 }
52
53