/* 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