From beb116954b9b7f3bb56412b2494b562f02b864b1 Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Tue, 7 Jan 1997 02:33:00 +0000 Subject: Import of Linux/MIPS 2.1.14 --- include/asm-generic/unaligned.h | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 include/asm-generic/unaligned.h (limited to 'include/asm-generic') diff --git a/include/asm-generic/unaligned.h b/include/asm-generic/unaligned.h new file mode 100644 index 000000000..57b14024c --- /dev/null +++ b/include/asm-generic/unaligned.h @@ -0,0 +1,20 @@ +#ifndef _ASM_GENERIC_UNALIGNED_H_ +#define _ASM_GENERIC_UNALIGNED_H_ + +/* + * For the benefit of those who are trying to port Linux to another + * architecture, here are some C-language equivalents. + */ + +#include + + +#define get_unaligned(ptr) \ + ({ __typeof__(*(ptr)) __tmp; memcpy(&__tmp, (ptr), sizeof(*(ptr))); __tmp; }) + +#define put_unaligned(val, ptr) \ + ({ __typeof__(*(ptr)) __tmp = (val); \ + memcpy((ptr), &__tmp, sizeof(*(ptr))); \ + (void)0; }) + +#endif /* _ASM_GENERIC_UNALIGNED_H */ -- cgit v1.2.3