1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 /*
3  *  Copyright (C) 2011 Texas Instruments Incorporated
4  *  Author: Mark Salter <msalter@redhat.com>
5  *
6  *  This program is free software; you can redistribute it and/or modify
7  *  it under the terms of the GNU General Public License version 2 as
8  *  published by the Free Software Foundation.
9  */
10 #ifndef _ASM_C6X_SWAB_H
11 #define _ASM_C6X_SWAB_H
12 
__c6x_swab16(__u16 val)13 static inline __attribute_const__ __u16 __c6x_swab16(__u16 val)
14 {
15 	asm("swap4 .l1 %0,%0\n" : "+a"(val));
16 	return val;
17 }
18 
__c6x_swab32(__u32 val)19 static inline __attribute_const__ __u32 __c6x_swab32(__u32 val)
20 {
21 	asm("swap4 .l1 %0,%0\n"
22 	    "swap2 .l1 %0,%0\n"
23 	    : "+a"(val));
24 	return val;
25 }
26 
__c6x_swab64(__u64 val)27 static inline __attribute_const__ __u64 __c6x_swab64(__u64 val)
28 {
29 	asm("   swap2 .s1 %p0,%P0\n"
30 	    "|| swap2 .l1 %P0,%p0\n"
31 	    "   swap4 .l1 %p0,%p0\n"
32 	    "   swap4 .l1 %P0,%P0\n"
33 	    : "+a"(val));
34 	return val;
35 }
36 
__c6x_swahw32(__u32 val)37 static inline __attribute_const__ __u32 __c6x_swahw32(__u32 val)
38 {
39 	asm("swap2 .l1 %0,%0\n" : "+a"(val));
40 	return val;
41 }
42 
__c6x_swahb32(__u32 val)43 static inline __attribute_const__ __u32 __c6x_swahb32(__u32 val)
44 {
45 	asm("swap4 .l1 %0,%0\n" : "+a"(val));
46 	return val;
47 }
48 
49 #define __arch_swab16 __c6x_swab16
50 #define __arch_swab32 __c6x_swab32
51 #define __arch_swab64 __c6x_swab64
52 #define __arch_swahw32 __c6x_swahw32
53 #define __arch_swahb32 __c6x_swahb32
54 
55 #endif /* _ASM_C6X_SWAB_H */
56