diff options
Diffstat (limited to 'include/asm-mips/unaligned.h')
| -rw-r--r-- | include/asm-mips/unaligned.h | 38 |
1 files changed, 22 insertions, 16 deletions
diff --git a/include/asm-mips/unaligned.h b/include/asm-mips/unaligned.h index 8a68d5b98..622e1e977 100644 --- a/include/asm-mips/unaligned.h +++ b/include/asm-mips/unaligned.h @@ -1,16 +1,16 @@ -/* - * Inline functions to do unaligned accesses. +/* $Id$ * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 1996 by Ralf Baechle + * Copyright (C) 1996, 1999 by Ralf Baechle */ -#ifndef __ASM_MIPS_UNALIGNED_H -#define __ASM_MIPS_UNALIGNED_H +#ifndef _ASM_UNALIGNED_H +#define _ASM_UNALIGNED_H -#include <asm/string.h> +extern void __get_unaligned_bad_length(void); +extern void __put_unaligned_bad_length(void); /* * Load quad unaligned. @@ -94,18 +94,21 @@ extern inline unsigned long __get_unaligned(const void *ptr, size_t size) { unsigned long val; switch (size) { - case 1: + case 1: val = *(const unsigned char *)ptr; break; - case 2: + case 2: val = ldw_u((const unsigned short *)ptr); break; - case 4: + case 4: val = ldl_u((const unsigned int *)ptr); break; - case 8: + case 8: val = ldq_u((const unsigned long long *)ptr); break; + default: + __get_unaligned_bad_length(); + break; } return val; } @@ -113,18 +116,21 @@ extern inline unsigned long __get_unaligned(const void *ptr, size_t size) extern inline void __put_unaligned(unsigned long val, void *ptr, size_t size) { switch (size) { - case 1: + case 1: *(unsigned char *)ptr = (val); - break; - case 2: + break; + case 2: stw_u(val, (unsigned short *)ptr); break; - case 4: + case 4: stl_u(val, (unsigned int *)ptr); break; - case 8: + case 8: stq_u(val, (unsigned long long *)ptr); break; + default: + __put_unaligned_bad_length(); + break; } } @@ -136,4 +142,4 @@ extern inline void __put_unaligned(unsigned long val, void *ptr, size_t size) #define put_unaligned(x,ptr) \ __put_unaligned((unsigned long)(x), (ptr), sizeof(*(ptr))) -#endif /* __ASM_MIPS_UNALIGNED_H */ +#endif /* _ASM_UNALIGNED_H */ |