/* SPDX-License-Identifier: GPL-2.0-only */ /* * User memory access support for Hexagon * * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved. */ #ifndef _ASM_UACCESS_H #define _ASM_UACCESS_H /* * User space memory access functions */ #include <asm/sections.h> /* * When a kernel-mode page fault is taken, the faulting instruction * address is checked against a table of exception_table_entries. * Each entry is a tuple of the address of an instruction that may * be authorized to fault, and the address at which execution should * be resumed instead of the faulting instruction, so as to effect * a workaround. */ /* Assembly somewhat optimized copy routines */ unsigned long raw_copy_from_user(void *to, const void __user *from, unsigned long n); unsigned long raw_copy_to_user(void __user *to, const void *from, unsigned long n); #define INLINE_COPY_FROM_USER #define INLINE_COPY_TO_USER __kernel_size_t __clear_user_hexagon(void __user *dest, unsigned long count); #define __clear_user(a, s) __clear_user_hexagon((a), (s)) #include <asm-generic/uaccess.h> #endif