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- /* 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
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