[BACK]Return to unaligned.h CVS log [TXT][DIR] Up to [Development] / linux-2.4-xfs / include / asm-parisc
File: [Development] / linux-2.4-xfs / include / asm-parisc / unaligned.h (download)

Revision 1.1, Wed Dec 31 00:54:49 2003 UTC (13 years, 9 months ago) by cattelan
Branch: MAIN
CVS Tags: HEAD 

Initial Import 2.4.24pre2

#ifndef _ASM_PARISC_UNALIGNED_H_
#define _ASM_PARISC_UNALIGNED_H_

/* parisc can't handle unaligned accesses. */
/* copied from asm-sparc/unaligned.h */

#include <linux/string.h>


/* Use memmove here, so gcc does not insert a __builtin_memcpy. */

#define get_unaligned(ptr) \
  ({ __typeof__(*(ptr)) __tmp; memmove(&__tmp, (ptr), sizeof(*(ptr))); __tmp; })

#define put_unaligned(val, ptr)				\
  ({ __typeof__(*(ptr)) __tmp = (val);			\
     memmove((ptr), &__tmp, sizeof(*(ptr)));		\
     (void)0; })


#ifdef __KERNEL__
struct pt_regs;
void handle_unaligned(struct pt_regs *regs);
int check_unaligned(struct pt_regs *regs);
#endif

#endif /* _ASM_PARISC_UNALIGNED_H_ */