[mirror_edk2.git] / ArmVirtPkg / PrePi / AArch64 / ArchPrePi.c

/** @file\r
*\r
*  Copyright (c) 2011-2013, ARM Limited. All rights reserved.\r
*\r
*  SPDX-License-Identifier: BSD-2-Clause-Patent\r
*\r
**/\r
\r
#include "PrePi.h"\r
\r
#include <Chipset/AArch64.h>\r
\r
VOID\r
ArchInitialize (\r
  VOID\r
  )\r
{\r
  // Enable Floating Point\r
  if (FixedPcdGet32 (PcdVFPEnabled)) {\r
    ArmEnableVFP ();\r
  }\r
\r
  if (ArmReadCurrentEL () == AARCH64_EL2) {\r
    // Trap General Exceptions. All exceptions that would be routed to EL1 are routed to EL2\r
    ArmWriteHcr (ARM_HCR_TGE);\r
  }\r
}\r
Commit	Line	Data
f9a9d2dc AB	1	/** @file\r
	2	*\r
	3	* Copyright (c) 2011-2013, ARM Limited. All rights reserved.\r
	4	*\r
9792fb0e	5	* SPDX-License-Identifier: BSD-2-Clause-Patent\r
f9a9d2dc AB	6	*\r
	7	**/\r
	8	\r
	9	#include "PrePi.h"\r
	10	\r
	11	#include <Chipset/AArch64.h>\r
	12	\r
	13	VOID\r
	14	ArchInitialize (\r
	15	VOID\r
	16	)\r
	17	{\r
	18	// Enable Floating Point\r
	19	if (FixedPcdGet32 (PcdVFPEnabled)) {\r
	20	ArmEnableVFP ();\r
	21	}\r
	22	\r
	23	if (ArmReadCurrentEL () == AARCH64_EL2) {\r
	24	// Trap General Exceptions. All exceptions that would be routed to EL1 are routed to EL2\r
	25	ArmWriteHcr (ARM_HCR_TGE);\r
	26	}\r
	27	}\r