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Nicholas Flintham1e3d3112013-04-10 10:48:38 +01001/*
2 * arch/arm/include/asm/opcodes.h
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
7 */
8
9#ifndef __ASM_ARM_OPCODES_H
10#define __ASM_ARM_OPCODES_H
11
12#ifndef __ASSEMBLY__
13extern asmlinkage unsigned int arm_check_condition(u32 opcode, u32 psr);
14#endif
15
16#define ARM_OPCODE_CONDTEST_FAIL 0
17#define ARM_OPCODE_CONDTEST_PASS 1
18#define ARM_OPCODE_CONDTEST_UNCOND 2
19
20
21
22#ifndef __ASSEMBLY__
23
24#include <linux/types.h>
25#include <linux/swab.h>
26
27#ifdef CONFIG_CPU_ENDIAN_BE8
28#define __opcode_to_mem_arm(x) swab32(x)
29#define __opcode_to_mem_thumb16(x) swab16(x)
30#define __opcode_to_mem_thumb32(x) swahb32(x)
31#else
32#define __opcode_to_mem_arm(x) ((u32)(x))
33#define __opcode_to_mem_thumb16(x) ((u16)(x))
34#define __opcode_to_mem_thumb32(x) swahw32(x)
35#endif
36
37#define __mem_to_opcode_arm(x) __opcode_to_mem_arm(x)
38#define __mem_to_opcode_thumb16(x) __opcode_to_mem_thumb16(x)
39#define __mem_to_opcode_thumb32(x) __opcode_to_mem_thumb32(x)
40
41
42#define __opcode_is_thumb32(x) ((u32)(x) >= 0xE8000000UL)
43#define __opcode_is_thumb16(x) ((u32)(x) < 0xE800UL)
44
45#define __opcode_thumb32_first(x) ((u16)((x) >> 16))
46#define __opcode_thumb32_second(x) ((u16)(x))
47#define __opcode_thumb32_compose(first, second) \
48 (((u32)(u16)(first) << 16) | (u32)(u16)(second))
49
50#endif
51
52#endif