1 /** @file 2 Macros to work around lack of Apple support for LDR register, =expr 3 4 Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR> 5 Copyright (c) 2011-2012, ARM Ltd. All rights reserved.<BR> 6 Copyright (c) 2016, Linaro Ltd. All rights reserved.<BR> 7 8 SPDX-License-Identifier: BSD-2-Clause-Patent 9 10 **/ 11 12 13 #ifndef __MACRO_IO_LIB_H__ 14 #define __MACRO_IO_LIB_H__ 15 16 #define _ASM_FUNC(Name, Section) \ 17 .global Name ; \ 18 .section #Section, "ax" ; \ 19 .type Name, %function ; \ 20 .p2align 2 ; \ 21 Name: 22 23 #define ASM_FUNC(Name) _ASM_FUNC(ASM_PFX(Name), .text. ## Name) 24 25 #define MOV32(Reg, Val) \ 26 movw Reg, #(Val) & 0xffff ; \ 27 movt Reg, #(Val) >> 16 28 29 #define ADRL(Reg, Sym) \ 30 movw Reg, #:lower16:(Sym) - (. + 16) ; \ 31 movt Reg, #:upper16:(Sym) - (. + 12) ; \ 32 add Reg, Reg, pc 33 34 #define LDRL(Reg, Sym) \ 35 movw Reg, #:lower16:(Sym) - (. + 16) ; \ 36 movt Reg, #:upper16:(Sym) - (. + 12) ; \ 37 ldr Reg, [pc, Reg] 38 39 #endif 40