* Copyright (C) 1996, 1997, 1998 by Ralf Baechle
* and i386 version.
*/
-#ifndef __ASM_SH_UACCESS_H
-#define __ASM_SH_UACCESS_H
+#ifndef __ASM_SH_UACCESS_32_H
+#define __ASM_SH_UACCESS_32_H
#include <linux/errno.h>
#include <linux/sched.h>
* If we don't have an MMU (or if its disabled) the only thing we really have
* to look out for is if the address resides somewhere outside of what
* available RAM we have.
- *
- * TODO: This check could probably also stand to be restricted somewhat more..
- * though it still does the Right Thing(tm) for the time being.
*/
static inline int __access_ok(unsigned long addr, unsigned long size)
{
- return ((addr >= memory_start) && ((addr + size) < memory_end));
+ return 1;
}
#else /* CONFIG_MMU */
#define __addr_ok(addr) \
/* Return the number of bytes NOT copied */
__kernel_size_t __copy_user(void *to, const void *from, __kernel_size_t n);
-#define copy_to_user(to,from,n) ({ \
-void *__copy_to = (void *) (to); \
-__kernel_size_t __copy_size = (__kernel_size_t) (n); \
-__kernel_size_t __copy_res; \
-if(__copy_size && __access_ok((unsigned long)__copy_to, __copy_size)) { \
-__copy_res = __copy_user(__copy_to, (void *) (from), __copy_size); \
-} else __copy_res = __copy_size; \
-__copy_res; })
-
-#define copy_from_user(to,from,n) ({ \
-void *__copy_to = (void *) (to); \
-void *__copy_from = (void *) (from); \
-__kernel_size_t __copy_size = (__kernel_size_t) (n); \
-__kernel_size_t __copy_res; \
-if(__copy_size && __access_ok((unsigned long)__copy_from, __copy_size)) { \
-__copy_res = __copy_user(__copy_to, __copy_from, __copy_size); \
-} else __copy_res = __copy_size; \
-__copy_res; })
static __always_inline unsigned long
__copy_from_user(void *to, const void __user *from, unsigned long n)
extern int fixup_exception(struct pt_regs *regs);
-#endif /* __ASM_SH_UACCESS_H */
+#endif /* __ASM_SH_UACCESS_32_H */