/** @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> | |
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_LIB_H__ | |
#define __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 |