2 * Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
3 * Use of this source code is governed by a BSD-style license that can be
4 * found in the LICENSE file.
6 * Alternatively, this software may be distributed under the terms of the
7 * GNU General Public License ("GPL") version 2 as published by the Free
12 * These functions work like memset but operate on physical memory which may
13 * not be accessible directly.
15 * @param s The physical address to start setting memory at.
16 * @param c The character to set each byte of the region to.
17 * @param n The number of bytes to set.
19 * @return The physical address of the memory which was set.
21 phys_addr_t arch_phys_memset(phys_addr_t s, int c, phys_size_t n);