/* SPDX-License-Identifier: GPL-2.0-only */ /* * linux/arch/unicore32/include/asm/uaccess.h * * Code specific to PKUnity SoC and UniCore ISA * * Copyright (C) 2001-2010 GUAN Xue-tao */ #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__ */