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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_UACCESS_H
#define _ASM_UACCESS_H
#include <linux/string.h>
static inline __must_check unsigned long
raw_copy_from_user(void *to, const void __user * from, unsigned long n)
{
if (__builtin_constant_p(n)) {
switch(n) {
case 1:
*(u8 *)to = *(u8 __force *)from;
return 0;
case 2:
*(u16 *)to = *(u16 __force *)from;
return 0;
case 4:
*(u32 *)to = *(u32 __force *)from;
return 0;
}
}
memcpy(to, (const void __force *)from, n);
return 0;
}
static inline __must_check unsigned long
raw_copy_to_user(void __user *to, const void *from, unsigned long n)
{
if (__builtin_constant_p(n)) {
switch(n) {
case 1:
*(u8 __force *)to = *(u8 *)from;
return 0;
case 2:
*(u16 __force *)to = *(u16 *)from;
return 0;
case 4:
*(u32 __force *)to = *(u32 *)from;
return 0;
default:
break;
}
}
memcpy((void __force *)to, from, n);
return 0;
}
#define INLINE_COPY_FROM_USER
#define INLINE_COPY_TO_USER
#include <asm-generic/uaccess.h>
#endif
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