diff options
Diffstat (limited to 'arch/unicore32/include/asm/uaccess.h')
| -rw-r--r-- | arch/unicore32/include/asm/uaccess.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/arch/unicore32/include/asm/uaccess.h b/arch/unicore32/include/asm/uaccess.h new file mode 100644 index 000000000..1d55f2f83 --- /dev/null +++ b/arch/unicore32/include/asm/uaccess.h @@ -0,0 +1,41 @@ +/* + * linux/arch/unicore32/include/asm/uaccess.h + * + * Code specific to PKUnity SoC and UniCore ISA + * + * Copyright (C) 2001-2010 GUAN Xue-tao + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef __UNICORE_UACCESS_H__ +#define __UNICORE_UACCESS_H__ + +#include <asm/memory.h> + +#define __strncpy_from_user __strncpy_from_user +#define __strnlen_user __strnlen_user +#define __clear_user __clear_user + +#define __kernel_ok (uaccess_kernel()) +#define __user_ok(addr, size) (((size) <= TASK_SIZE) \ + && ((addr) <= TASK_SIZE - (size))) +#define __access_ok(addr, size) (__kernel_ok || __user_ok((addr), (size))) + +extern unsigned long __must_check +raw_copy_from_user(void *to, const void __user *from, unsigned long n); +extern unsigned long __must_check +raw_copy_to_user(void __user *to, const void *from, unsigned long n); +extern unsigned long __must_check +__clear_user(void __user *addr, unsigned long n); +extern unsigned long __must_check +__strncpy_from_user(char *to, const char __user *from, unsigned long count); +extern unsigned long +__strnlen_user(const char __user *s, long n); +#define INLINE_COPY_FROM_USER +#define INLINE_COPY_TO_USER + +#include <asm-generic/uaccess.h> + +#endif /* __UNICORE_UACCESS_H__ */ |