xref: /linux/arch/arm/include/asm/unified.h (revision 906fd46a65383cd639e5eec72a047efc33045d86)
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 /* The CPSR bit describing the instruction set (Thumb) */
28 #define PSR_ISETSTATE	PSR_T_BIT
29 
30 #define ARM(x...)
31 #define THUMB(x...)	x
32 #ifdef __ASSEMBLY__
33 #define W(instr)	instr.w
34 #else
35 #define WASM(instr)	#instr ".w"
36 #endif
37 
38 #else	/* !CONFIG_THUMB2_KERNEL */
39 
40 /* The CPSR bit describing the instruction set (ARM) */
41 #define PSR_ISETSTATE	0
42 
43 #define ARM(x...)	x
44 #define THUMB(x...)
45 #ifdef __ASSEMBLY__
46 #define W(instr)	instr
47 #else
48 #define WASM(instr)	#instr
49 #endif
50 
51 #endif	/* CONFIG_THUMB2_KERNEL */
52 
53 #endif	/* !__ASM_UNIFIED_H */
54