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- /** @file
- Macros to work around lack of Apple support for LDR register, =expr
- Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
- Copyright (c) 2011-2012, ARM Ltd. All rights reserved.<BR>
- Copyright (c) 2016, Linaro Ltd. All rights reserved.<BR>
- SPDX-License-Identifier: BSD-2-Clause-Patent
- **/
- #ifndef ASM_MACRO_IO_LIB_H_
- #define ASM_MACRO_IO_LIB_H_
- #define _ASM_FUNC(Name, Section) \
- .global Name ; \
- .section #Section, "ax" ; \
- .type Name, %function ; \
- .p2align 2 ; \
- Name:
- #define ASM_FUNC(Name) _ASM_FUNC(ASM_PFX(Name), .text. ## Name)
- #define MOV32(Reg, Val) \
- movw Reg, #(Val) & 0xffff ; \
- movt Reg, #(Val) >> 16
- #define ADRL(Reg, Sym) \
- movw Reg, #:lower16:(Sym) - (. + 16) ; \
- movt Reg, #:upper16:(Sym) - (. + 12) ; \
- add Reg, Reg, pc
- #define LDRL(Reg, Sym) \
- movw Reg, #:lower16:(Sym) - (. + 16) ; \
- movt Reg, #:upper16:(Sym) - (. + 12) ; \
- ldr Reg, [pc, Reg]
- #endif // ASM_MACRO_IO_LIB_H_
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