arch/s390/include/asm/types.h

   1 /*
   2  *  include/asm-s390/types.h
   3  *
   4  *  S390 version
   5  *
   6  *  Derived from "include/asm-i386/types.h"
   7  */
   8
   9 #ifndef _S390_TYPES_H
  10 #define _S390_TYPES_H
  11
  12 #include <asm-generic/int-ll64.h>
  13
  14 #ifndef __ASSEMBLY__
  15
  16 /* A address type so that arithmetic can be done on it & it can be upgraded to
  17    64 bit when necessary
  18 */
  19 typedef unsigned long addr_t;
  20 typedef __signed__ long saddr_t;
  21
  22 #endif /* __ASSEMBLY__ */
  23
  24 /*
  25  * These aren't exported outside the kernel to avoid name space clashes
  26  */
  27 #ifdef __KERNEL__
  28
  29 #ifndef __ASSEMBLY__
  30
  31 #ifndef __s390x__
  32 typedef union {
  33         unsigned long long pair;
  34         struct {
  35                 unsigned long even;
  36                 unsigned long odd;
  37         } subreg;
  38 } register_pair;
  39
  40 #endif /* ! __s390x__   */
  41 #endif /* __ASSEMBLY__  */
  42 #endif /* __KERNEL__    */
  43 #endif /* _S390_TYPES_H */