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