diff options
Diffstat (limited to 'arch/s390/include/asm/ebcdic.h')
| -rw-r--r-- | arch/s390/include/asm/ebcdic.h | 23 |
1 files changed, 11 insertions, 12 deletions
diff --git a/arch/s390/include/asm/ebcdic.h b/arch/s390/include/asm/ebcdic.h index c5befc5a3bf5..7164cb658435 100644 --- a/arch/s390/include/asm/ebcdic.h +++ b/arch/s390/include/asm/ebcdic.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * EBCDIC -> ASCII, ASCII -> EBCDIC conversion routines. * @@ -9,9 +10,7 @@ #ifndef _EBCDIC_H #define _EBCDIC_H -#ifndef _S390_TYPES_H -#include <types.h> -#endif +#include <linux/types.h> extern __u8 _ascebc_500[256]; /* ASCII -> EBCDIC 500 conversion table */ extern __u8 _ebcasc_500[256]; /* EBCDIC 500 -> ASCII conversion table */ @@ -21,20 +20,20 @@ extern __u8 _ebc_tolower[256]; /* EBCDIC -> lowercase */ extern __u8 _ebc_toupper[256]; /* EBCDIC -> uppercase */ static inline void -codepage_convert(const __u8 *codepage, volatile __u8 * addr, unsigned long nr) +codepage_convert(const __u8 *codepage, volatile char *addr, unsigned long nr) { - if (nr-- <= 0) + if (!nr--) return; asm volatile( - " bras 1,1f\n" - " tr 0(1,%0),0(%2)\n" - "0: tr 0(256,%0),0(%2)\n" + " j 2f\n" + "0: tr 0(1,%0),0(%2)\n" + "1: tr 0(256,%0),0(%2)\n" " la %0,256(%0)\n" - "1: ahi %1,-256\n" - " jnm 0b\n" - " ex %1,0(1)" + "2: aghi %1,-256\n" + " jnm 1b\n" + " exrl %1,0b" : "+&a" (addr), "+&a" (nr) - : "a" (codepage) : "cc", "memory", "1"); + : "a" (codepage) : "cc", "memory"); } #define ASCEBC(addr,nr) codepage_convert(_ascebc, addr, nr) |