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
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