X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Fhelper%2Ftypes.h;h=8ee41105f1651be3efb5e2fb7213a8accbc28c0f;hp=6d49bbb0eaf99b8c0d58ed3f0b155916851e9845;hb=61cba7e0e6dae78ff257bef546e6783c4b634ad4;hpb=8b4e882a1630d63bbc9840fa3f968e36b6ac3702

diff --git a/src/helper/types.h b/src/helper/types.h
index 6d49bbb0ea..8ee41105f1 100644
--- a/src/helper/types.h
+++ b/src/helper/types.h
@@ -2,6 +2,9 @@
  *   Copyright (C) 2004, 2005 by Dominic Rath                              *
  *   Dominic.Rath@gmx.de                                                   *
  *                                                                         *
+ *   Copyright (C) 2007,2008 Øyvind Harboe                                 *
+ *   oyvind.harboe@zylin.com                                               *
+ *                                                                         *
  *   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     *
@@ -17,10 +20,13 @@
  *   Free Software Foundation, Inc.,                                       *
  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  ***************************************************************************/
-
 #ifndef TYPES_H
 #define TYPES_H
 
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+
 #ifndef u8
 typedef unsigned char u8;
 #endif
@@ -33,4 +39,98 @@ typedef unsigned short u16;
 typedef unsigned int u32;
 #endif
 
+#ifndef u64
+typedef unsigned long long u64;
+#endif
+
+typedef struct jtag_tap_s jtag_tap_t;
+
+#ifdef HAVE_STDBOOL_H
+#include <stdbool.h>
+#else	/* HAVE_STDBOOL_H */
+#define __bool_true_false_are_defined 1
+
+#ifndef HAVE__BOOL
+#ifndef __cplusplus
+
+#define false	0
+#define true		1
+
+typedef int _Bool;
+#else 
+typedef bool _Bool;
+#endif	/* __cplusplus */
+#endif	/* HAVE__BOOL */
+
+#define bool _Bool
+
+#endif	/* HAVE_STDBOOL_H */
+
+/* DANGER!!!! here be dragons!
+ *
+ * Leave these fn's as byte accesses because it is safe
+ * across architectures. Clever usage of 32 bit access
+ * will create problems on some hosts.
+ *
+ * Note that the "buf" pointer in memory is probably unaligned.
+ *
+ * Were these functions to be re-written to take a 32 bit wide or 16 bit wide
+ * memory access shortcut, then on some CPU's, i.e. ARM7, the 2 lsbytes of the address are
+ * ignored for 32 bit access, whereas on other CPU's a 32 bit wide unaligned memory access
+ * will cause an exception, and lastly on x86, an unaligned "greater than bytewide"
+ * memory access works as if aligned.  So what follows below will work for all
+ * platforms and gives the compiler leeway to do its own platform specific optimizations.
+ *
+ * Again, note that the "buf" pointer in memory is probably unaligned.
+ */
+
+
+static inline u32 le_to_h_u32(const u8* buf)
+{
+	return (u32)(buf[0] | buf[1] << 8 | buf[2] << 16 | buf[3] << 24);
+}
+
+static inline u16 le_to_h_u16(const u8* buf)
+{
+	return (u16)(buf[0] | buf[1] << 8);
+}
+
+static inline u32 be_to_h_u32(const u8* buf)
+{
+	return (u32)(buf[3] | buf[2] << 8 | buf[1] << 16 | buf[0] << 24);
+}
+
+static inline u16 be_to_h_u16(const u8* buf)
+{
+	return (u16)(buf[1] | buf[0] << 8);
+}
+
+static inline void h_u32_to_le(u8* buf, int val)
+{
+	buf[3] = (u8) (val >> 24);
+	buf[2] = (u8) (val >> 16);
+	buf[1] = (u8) (val >> 8);
+	buf[0] = (u8) (val >> 0);
+}
+
+static inline void h_u32_to_be(u8* buf, int val)
+{
+	buf[0] = (u8) (val >> 24);
+	buf[1] = (u8) (val >> 16);
+	buf[2] = (u8) (val >> 8);
+	buf[3] = (u8) (val >> 0);
+}
+
+static inline void h_u16_to_le(u8* buf, int val)
+{
+	buf[1] = (u8) (val >> 8);
+	buf[0] = (u8) (val >> 0);
+}
+
+static inline void h_u16_to_be(u8* buf, int val)
+{
+	buf[0] = (u8) (val >> 8);
+	buf[1] = (u8) (val >> 0);
+}
+
 #endif /* TYPES_H */