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-/** @file
- Macros to work around lack of Clang support for LDR register, =expr
-
- Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
- Portions copyright (c) 2011 - 2014, ARM Ltd. All rights reserved.<BR>
- Copyright (c) 2016, Linaro Ltd. All rights reserved.<BR>
-
- 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.
-
-**/
-
-
-#ifndef __MACRO_IO_LIBV8_H__
-#define __MACRO_IO_LIBV8_H__
-
-// CurrentEL : 0xC = EL3; 8 = EL2; 4 = EL1
-// This only selects between EL1 and EL2, else we die.
-// Provide the Macro with a safe temp xreg to use.
-#define EL1_OR_EL2(SAFE_XREG) \
- mrs SAFE_XREG, CurrentEL ;\
- cmp SAFE_XREG, #0x8 ;\
- b.gt . ;\
- b.eq 2f ;\
- cbnz SAFE_XREG, 1f ;\
- b . ;// We should never get here
-
-
-// CurrentEL : 0xC = EL3; 8 = EL2; 4 = EL1
-// This only selects between EL1 and EL2 and EL3, else we die.
-// Provide the Macro with a safe temp xreg to use.
-#define EL1_OR_EL2_OR_EL3(SAFE_XREG) \
- mrs SAFE_XREG, CurrentEL ;\
- cmp SAFE_XREG, #0x8 ;\
- b.gt 3f ;\
- b.eq 2f ;\
- cbnz SAFE_XREG, 1f ;\
- b . ;// We should never get here
-
-#define _ASM_FUNC(Name, Section) \
- .global Name ; \
- .section #Section, "ax" ; \
- .type Name, %function ; \
- Name:
-
-#define ASM_FUNC(Name) _ASM_FUNC(ASM_PFX(Name), .text. ## Name)
-
-#define MOV32(Reg, Val) \
- movz Reg, (Val) >> 16, lsl #16 ; \
- movk Reg, (Val) & 0xffff
-
-#define MOV64(Reg, Val) \
- movz Reg, (Val) >> 48, lsl #48 ; \
- movk Reg, ((Val) >> 32) & 0xffff, lsl #32 ; \
- movk Reg, ((Val) >> 16) & 0xffff, lsl #16 ; \
- movk Reg, (Val) & 0xffff
-
-#endif // __MACRO_IO_LIBV8_H__