1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * include/asm-arm/unified.h - Unified Assembler Syntax helper macros
4 *
5 * Copyright (C) 2008 ARM Limited
6 */
7
8#ifndef __ASM_UNIFIED_H
9#define __ASM_UNIFIED_H
10
11#if defined(__ASSEMBLY__)
12	.syntax unified
13#else
14__asm__(".syntax unified");
15#endif
16
17#ifdef CONFIG_CPU_V7M
18#define AR_CLASS(x...)
19#define M_CLASS(x...)	x
20#else
21#define AR_CLASS(x...)	x
22#define M_CLASS(x...)
23#endif
24
25#ifdef CONFIG_THUMB2_KERNEL
26
27#if __GNUC__ < 4
28#error Thumb-2 kernel requires gcc >= 4
29#endif
30
31/* The CPSR bit describing the instruction set (Thumb) */
32#define PSR_ISETSTATE	PSR_T_BIT
33
34#define ARM(x...)
35#define THUMB(x...)	x
36#ifdef __ASSEMBLY__
37#define W(instr)	instr.w
38#else
39#define WASM(instr)	#instr ".w"
40#endif
41
42#else	/* !CONFIG_THUMB2_KERNEL */
43
44/* The CPSR bit describing the instruction set (ARM) */
45#define PSR_ISETSTATE	0
46
47#define ARM(x...)	x
48#define THUMB(x...)
49#ifdef __ASSEMBLY__
50#define W(instr)	instr
51#else
52#define WASM(instr)	#instr
53#endif
54
55#endif	/* CONFIG_THUMB2_KERNEL */
56
57#endif	/* !__ASM_UNIFIED_H */
58