Release 4.11 arch/s390/include/uapi/asm/swab.h

#ifndef _S390_SWAB_H

#define _S390_SWAB_H

/*
 *  S390 version
 *    Copyright IBM Corp. 1999
 *    Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com)
 */

#include <linux/types.h>

#ifndef __s390x__

# define __SWAB_64_THRU_32__
#endif

#ifdef __s390x__


static inline __u64 __arch_swab64p(const __u64 *x)
{
	__u64 result;

	asm volatile("lrvg %0,%1" : "=d" (result) : "m" (*x));
	return result;
}
Contributors
Person
Tokens
Prop
Commits
CommitProp
Harvey Harrison
21
100.00%
1
100.00%
Total
21
100.00%
1
100.00%


#define __arch_swab64p __arch_swab64p



static inline __u64 __arch_swab64(__u64 x)
{
	__u64 result;

	asm volatile("lrvgr %0,%1" : "=d" (result) : "d" (x));
	return result;
}
Contributors
Person
Tokens
Prop
Commits
CommitProp
Harvey Harrison
19
100.00%
1
100.00%
Total
19
100.00%
1
100.00%


#define __arch_swab64 __arch_swab64



static inline void __arch_swab64s(__u64 *x)
{
	*x = __arch_swab64p(x);
}
Contributors
Person
Tokens
Prop
Commits
CommitProp
Harvey Harrison
19
100.00%
1
100.00%
Total
19
100.00%
1
100.00%


#define __arch_swab64s __arch_swab64s
#endif /* __s390x__ */



static inline __u32 __arch_swab32p(const __u32 *x)
{
	__u32 result;
	
	asm volatile(
#ifndef __s390x__
		"       icm     %0,8,%O1+3(%R1)\n"
                "       icm     %0,4,%O1+2(%R1)\n"
                "       icm     %0,2,%O1+1(%R1)\n"
                "       ic      %0,%1"
                : "=&d" (result) : "Q" (*x) : "cc");
#else /* __s390x__ */
		"       lrv     %0,%1"
		: "=d" (result) : "m" (*x));
Contributors
Person
Tokens
Prop
Commits
CommitProp
Harvey Harrison
37
97.37%
1
50.00%
Martin Schwidefsky
1
2.63%
1
50.00%
Total
38
100.00%
2
100.00%

#endif /* __s390x__ */
	return result;

}
#define __arch_swab32p __arch_swab32p

#ifdef __s390x__

static 
inline __u32 __arch_swab32(__u32 x)
{
	__u32 result;
	
	asm volatile("lrvr  %0,%1" : "=d" (result) : "d" (x));
	return result;
}
Contributors
Person
Tokens
Prop
Commits
CommitProp
Harvey Harrison
19
100.00%
1
100.00%
Total
19
100.00%
1
100.00%


#define __arch_swab32 __arch_swab32
#endif /* __s390x__ */



static inline __u16 __arch_swab16p(const __u16 *x)
{
	__u16 result;
	
	asm volatile(
#ifndef __s390x__
		"       icm     %0,2,%O1+1(%R1)\n"
                "       ic      %0,%1\n"
                : "=&d" (result) : "Q" (*x) : "cc");
#else /* __s390x__ */
		"       lrvh    %0,%1"
		: "=d" (result) : "m" (*x));
Contributors
Person
Tokens
Prop
Commits
CommitProp
Harvey Harrison
37
97.37%
1
50.00%
Martin Schwidefsky
1
2.63%
1
50.00%
Total
38
100.00%
2
100.00%

#endif /* __s390x__ */
	return result;

}
#define __arch_swab16p __arch_swab16p

#endif /* _S390_SWAB_H */
Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Harvey Harrison
221
98.22%
1
20.00%
Heiko Carstens
2
0.89%
2
40.00%
Martin Schwidefsky
2
0.89%
2
40.00%
Total
225
100.00%
5
100.00%
Directory: arch/s390/include/uapi/asm

Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.