diff options
Diffstat (limited to 'ArmVirtPkg/PrePi/AArch64/ArchPrePi.c')
| -rw-r--r-- | ArmVirtPkg/PrePi/AArch64/ArchPrePi.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/ArmVirtPkg/PrePi/AArch64/ArchPrePi.c b/ArmVirtPkg/PrePi/AArch64/ArchPrePi.c new file mode 100644 index 0000000000..217986107e --- /dev/null +++ b/ArmVirtPkg/PrePi/AArch64/ArchPrePi.c @@ -0,0 +1,33 @@ +/** @file
+*
+* Copyright (c) 2011-2013, 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 "PrePi.h"
+
+#include <Chipset/AArch64.h>
+
+VOID
+ArchInitialize (
+ VOID
+ )
+{
+ // Enable Floating Point
+ if (FixedPcdGet32 (PcdVFPEnabled)) {
+ ArmEnableVFP ();
+ }
+
+ if (ArmReadCurrentEL () == AARCH64_EL2) {
+ // Trap General Exceptions. All exceptions that would be routed to EL1 are routed to EL2
+ ArmWriteHcr (ARM_HCR_TGE);
+ }
+}
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