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1 /** @file
2 *  Main file supporting the Monitor World on ARM PLatforms
3 *
4 *  Copyright (c) 2011-2013, 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/ArmLib.h>
17 #include <Library/ArmTrustedMonitorLib.h>
18 #include <Library/DebugLib.h>
19 
20 #define IS_ALIGNED(Address, Align) (((UINTN)Address & (Align-1)) == 0)
21 
22 VOID
23 MonitorVectorTable (
24   VOID
25   );
26 
27 VOID
ArmSecureMonitorWorldInitialize(VOID)28 ArmSecureMonitorWorldInitialize (
29   VOID
30   )
31 {
32   // Ensure the Monitor Table is 32bit aligned
33   ASSERT (((UINTN)&MonitorVectorTable & ARM_VECTOR_TABLE_ALIGNMENT) == 0);
34 
35   // Write the Monitor Mode Vector Table Address
36   ArmWriteMVBar ((UINTN) &MonitorVectorTable);
37 }
38 
39