1 /** @file 2 * 3 * Copyright (c) 2011-2013, ARM Limited. All rights reserved. 4 * 5 * This program and the accompanying materials 6 * are licensed and made available under the terms and conditions of the BSD License 7 * which accompanies this distribution. The full text of the license may be found at 8 * http://opensource.org/licenses/bsd-license.php 9 * 10 * THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 12 * 13 **/ 14 15 #include "PrePi.h" 16 17 #include <Chipset/AArch64.h> 18 19 VOID 20 ArchInitialize ( 21 VOID 22 ) 23 { 24 // Enable Floating Point 25 if (FixedPcdGet32 (PcdVFPEnabled)) { 26 ArmEnableVFP (); 27 } 28 29 if (ArmReadCurrentEL () == AARCH64_EL2) { 30 // Trap General Exceptions. All exceptions that would be routed to EL1 are routed to EL2 31 ArmWriteHcr (ARM_HCR_TGE); 32 } 33 } 34
