* Copyright 2008 Freescale Semiconductor, Inc.
* Copyright 2013 Wolfgang Denk <wd@denx.de>
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
/*
#include <common.h>
#include <config.h>
#include <command.h>
+#include <mapmem.h>
static ulong get_arg(char *s, int w)
{
- ulong *p;
-
/*
- * if the parameter starts with a '*' then assume
- * it is a pointer to the value we want
+ * If the parameter starts with a '*' then assume it is a pointer to
+ * the value we want.
*/
-
if (s[0] == '*') {
- p = (ulong *)simple_strtoul(&s[1], NULL, 16);
+ ulong *p;
+ ulong addr;
+ ulong val;
+
+ addr = simple_strtoul(&s[1], NULL, 16);
switch (w) {
- case 1: return((ulong)(*(uchar *)p));
- case 2: return((ulong)(*(ushort *)p));
+ case 1:
+ p = map_sysmem(addr, sizeof(uchar));
+ val = (ulong)*(uchar *)p;
+ unmap_sysmem(p);
+ return val;
+ case 2:
+ p = map_sysmem(addr, sizeof(ushort));
+ val = (ulong)*(ushort *)p;
+ unmap_sysmem(p);
+ return val;
case 4:
- default: return(*p);
+ default:
+ p = map_sysmem(addr, sizeof(ulong));
+ val = *p;
+ unmap_sysmem(p);
+ return val;
}
} else {
return simple_strtoul(s, NULL, 16);