Commit 95dfbbe4 authored by John Williams's avatar John Williams Committed by Michal Simek

microblaze: Simple __copy_tofrom_user for noMMU

This is first patch which clear part of uaccess.h.
uaccess.h will be clear later.
Signed-off-by: default avatarJohn Williams <john.williams@petalogix.com>
Signed-off-by: default avatarMichal Simek <monstr@monstr.eu>
parent fd6ed51f
......@@ -272,8 +272,9 @@ static inline int clear_user(char *to, int size)
return size;
}
extern unsigned long __copy_tofrom_user(void __user *to,
const void __user *from, unsigned long size);
#define __copy_from_user(to, from, n) copy_from_user((to), (from), (n))
#define __copy_from_user_inatomic(to, from, n) \
copy_from_user((to), (from), (n))
#define copy_to_user(to, from, n) \
(access_ok(VERIFY_WRITE, (to), (n)) ? \
......@@ -290,10 +291,6 @@ extern unsigned long __copy_tofrom_user(void __user *to,
(void __user *)(from), (n)) \
: -EFAULT)
#define __copy_from_user(to, from, n) copy_from_user((to), (from), (n))
#define __copy_from_user_inatomic(to, from, n) \
copy_from_user((to), (from), (n))
extern int __strncpy_user(char *to, const char __user *from, int len);
extern int __strnlen_user(const char __user *sstr, int len);
......@@ -305,6 +302,9 @@ extern int __strnlen_user(const char __user *sstr, int len);
#endif /* CONFIG_MMU */
extern unsigned long __copy_tofrom_user(void __user *to,
const void __user *from, unsigned long size);
/*
* The exception table consists of pairs of addresses: the first is the
* address of an instruction that is allowed to fault, and the second is
......
......@@ -39,3 +39,10 @@ long strncpy_from_user(char *dst, const char __user *src, long count)
__do_strncpy_from_user(dst, src, count, res);
return res;
}
unsigned long __copy_tofrom_user(void __user *to,
const void __user *from, unsigned long size)
{
memcpy(to, from, size);
return 0;
}
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