CloverBootloader/ArmPkg/Include/AsmMacroIoLib.h

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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_