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- /** @file
- Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
- Copyright (c) 2011 - 2014, ARM Limited. All rights reserved.
- This program and the accompanying materials
- are licensed and made available under the terms and conditions of the BSD License
- which accompanies this distribution. The full text of the license may be found at
- http://opensource.org/licenses/bsd-license.php
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
- **/
- #include <Chipset/ARM1176JZ-S.h>
- #include <Library/ArmLib.h>
- #include <Library/DebugLib.h>
- #include <Library/PcdLib.h>
- VOID
- EFIAPI
- ArmWriteVBar (
- IN UINTN VectorBase
- )
- {
- ASSERT(FeaturePcdGet (PcdRelocateVectorTable) == TRUE);
- if (VectorBase == 0x0) {
- ArmSetLowVectors ();
- } else if (VectorBase == 0xFFFF0000) {
- ArmSetHighVectors ();
- } else {
- // Feature not supported by ARM11. The Vector Table is either at 0x0 or 0xFFFF0000
- ASSERT(0);
- }
- }
- UINTN
- EFIAPI
- ArmReadVBar (
- VOID
- )
- {
- ASSERT((FeaturePcdGet (PcdRelocateVectorTable) == TRUE) && ((PcdGet32 (PcdCpuVectorBaseAddress) == 0x0) || (PcdGet32 (PcdCpuVectorBaseAddress) == 0xFFFF0000)));
- return PcdGet32 (PcdCpuVectorBaseAddress);
- }
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