1 /* 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. 5 * 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 8 * Software Foundation. 9 */ 10 11 /* 12 * These functions work like memset but operate on physical memory which may 13 * not be accessible directly. 14 * 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. 18 * 19 * @return The physical address of the memory which was set. 20 */ 21 phys_addr_t arch_phys_memset(phys_addr_t s, int c, phys_size_t n); 22