1 files changed, 48 insertions, 0 deletions
diff --git a/c/src/exec/score/cpu/sh/rtems/score/sh_io.h b/c/src/exec/score/cpu/sh/rtems/score/sh_io.h
new file mode 100644
index 0000000000..2a9111e307
--- /dev/null
+++ b/c/src/exec/score/cpu/sh/rtems/score/sh_io.h
@@ -0,0 +1,48 @@
+/*
+ * These are some macros to access memory mapped devices
+ * on the SH7000-architecture.
+ *
+ * Inspired from the linux kernel's include/asm/io.h
+ *
+ *  Authors: Ralf Corsepius (corsepiu@faw.uni-ulm.de) and
+ *           Bernd Becker (becker@faw.uni-ulm.de)
+ *
+ *  COPYRIGHT (c) 1996-1998, FAW Ulm, Germany
+ *
+ *  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.
+ * 
+ *
+ *  COPYRIGHT (c) 1998.
+ *  On-Line Applications Research Corporation (OAR).
+ *  Copyright assigned to U.S. Government, 1994.
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.OARcorp.com/rtems/license.html.
+ *
+ *  $Id$
+ */
+
+#ifndef _asm_io_h
+#define _asm_io_h
+ 
+#define readb(addr) 	(*(volatile unsigned char *) (addr))
+#define readw(addr) 	(*(volatile unsigned short *) (addr))
+#define readl(addr) 	(*(volatile unsigned int *) (addr))
+#define read8(addr)     (*(volatile unsigned8 *) (addr))
+#define read16(addr)    (*(volatile unsigned16 *) (addr))
+#define read32(addr)    (*(volatile unsigned32 *) (addr))
+
+#define writeb(b,addr) 	((*(volatile unsigned char *) (addr)) = (b))
+#define writew(b,addr) 	((*(volatile unsigned short *) (addr)) = (b))
+#define writel(b,addr) 	((*(volatile unsigned int *) (addr)) = (b))
+#define write8(b,addr) 	((*(volatile unsigned8  *) (addr)) = (b))
+#define write16(b,addr) ((*(volatile unsigned16 *) (addr)) = (b))
+#define write32(b,addr) ((*(volatile unsigned32 *) (addr)) = (b))
+
+#define inb(addr)	readb(addr)
+#define outb(b,addr)	writeb(b,addr)
+
+#endif