lib/physmem.c

   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 #include <common.h>
  12 #include <mapmem.h>
  13 #include <physmem.h>
  14 #include <linux/compiler.h>
  15
  16 phys_addr_t __weak arch_phys_memset(phys_addr_t s, int c, phys_size_t n)
  17 {
  18         void *s_ptr = map_sysmem(s, n);
  19
  20         assert(((phys_addr_t)(uintptr_t)s) == s);
  21         assert(((phys_addr_t)(uintptr_t)(s + n)) == s + n);
  22
  23         return (phys_addr_t)(uintptr_t)memset(s_ptr, c, n);
  24 }