* 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 *
#ifndef TYPES_H
#define TYPES_H
-#include "config.h"
-
-#ifndef u8
-typedef unsigned char u8;
+#include <stddef.h>
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
#endif
-
-#ifndef u16
-typedef unsigned short u16;
+#ifdef HAVE_STDINT_H
+#include <stdint.h>
#endif
-
-#ifndef u32
-typedef unsigned int u32;
+#ifdef HAVE_INTTYPES_H
+#include <inttypes.h>
#endif
-#ifndef u64
-typedef unsigned long long u64;
+#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 */
+
+/// turns a macro argument into a string constant
+#define stringify(s) __stringify(s)
+#define __stringify(s) #s
+
+
+/**
+ * Cast a member of a structure out to the containing structure.
+ * @param ptr The pointer to the member.
+ * @param type The type of the container struct this is embedded in.
+ * @param member The name of the member within the struct.
+ *
+ * This is a mechanism which is used throughout the Linux kernel.
+ */
+#define container_of(ptr, type, member) ({ \
+ const typeof( ((type *)0)->member ) *__mptr = (ptr); \
+ (type *)( (char *)__mptr - offsetof(type,member) );})
+
+
+/* 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 uint32_t le_to_h_u32(const uint8_t* buf)
+{
+ return (uint32_t)(buf[0] | buf[1] << 8 | buf[2] << 16 | buf[3] << 24);
+}
+
+static inline uint16_t le_to_h_u16(const uint8_t* buf)
+{
+ return (uint16_t)(buf[0] | buf[1] << 8);
+}
+
+static inline uint32_t be_to_h_u32(const uint8_t* buf)
+{
+ return (uint32_t)(buf[3] | buf[2] << 8 | buf[1] << 16 | buf[0] << 24);
+}
+
+static inline uint16_t be_to_h_u16(const uint8_t* buf)
+{
+ return (uint16_t)(buf[1] | buf[0] << 8);
+}
+
+static inline void h_u32_to_le(uint8_t* buf, int val)
+{
+ buf[3] = (uint8_t) (val >> 24);
+ buf[2] = (uint8_t) (val >> 16);
+ buf[1] = (uint8_t) (val >> 8);
+ buf[0] = (uint8_t) (val >> 0);
+}
+
+static inline void h_u32_to_be(uint8_t* buf, int val)
+{
+ buf[0] = (uint8_t) (val >> 24);
+ buf[1] = (uint8_t) (val >> 16);
+ buf[2] = (uint8_t) (val >> 8);
+ buf[3] = (uint8_t) (val >> 0);
+}
+
+static inline void h_u16_to_le(uint8_t* buf, int val)
+{
+ buf[1] = (uint8_t) (val >> 8);
+ buf[0] = (uint8_t) (val >> 0);
+}
+
+static inline void h_u16_to_be(uint8_t* buf, int val)
+{
+ buf[0] = (uint8_t) (val >> 8);
+ buf[1] = (uint8_t) (val >> 0);
+}
+
+#if defined(__ECOS)
+
+/* eCos plain lacks these definition... A series of upstream patches
+ * could probably repair it, but it seems like too much work to be
+ * worth it.
+ */
+
+#if !defined(_STDINT_H)
+#define PRIx32 "x"
+#define PRId32 "d"
+#define SCNx32 "x"
+#define PRIi32 "i"
+#define PRIu32 "u"
+
+typedef CYG_ADDRWORD intptr_t;
+typedef int64_t intmax_t;
+typedef uint64_t uintmax_t;
+#define INT8_MAX 0x7f
+#define INT8_MIN (-INT8_MAX - 1)
+# define UINT8_MAX (255)
+#define INT16_MAX 0x7fff
+#define INT16_MIN (-INT16_MAX - 1)
+# define UINT16_MAX (65535)
+#define INT32_MAX 0x7fffffffL
+#define INT32_MIN (-INT32_MAX - 1L)
+# define UINT32_MAX (4294967295U)
+#define INT64_MAX 0x7fffffffffffffffLL
+#define INT64_MIN (-INT64_MAX - 1LL)
+#define UINT64_MAX (__CONCAT(INT64_MAX, U) * 2ULL + 1ULL)
#endif
-#ifdef WORDS_BIGENDIAN /* big endian host */
-
-#define le_to_h_u32(x) (u32)(x[0] | x[1] << 8 | x[2] << 16 | x[3] << 24)
-#define le_to_h_u16(x) (u16)(x[0] | x[1] << 8)
-#define be_to_h_u32(x) (*(u32*)(x))
-#define be_to_h_u16(x) (*(u16*)(x))
-
-#define h_u32_to_le(buf, val) \
- do { \
- buf[3] = (val & 0xff000000) >> 24; \
- buf[2] = (val & 0x00ff0000) >> 16; \
- buf[1] = (val & 0x0000ff00) >> 8; \
- buf[0] = (val & 0x000000ff); \
- } while (0)
-
-#define h_u16_to_le(buf, val) \
- do { \
- buf[0] = (val & 0xff000) >> 8; \
- buf[1] = (val & 0x00ff); \
- } while (0)
-
-#define h_u32_to_be(buf, val) do { *(u32*)(buf) = (val); } while (0)
-#define h_u16_to_be(buf, val) do { *(u16*)(buf) = (val); } while (0)
-
-#else /* little endian host */
-#define le_to_h_u32(x) (*(u32*)(x))
-#define le_to_h_u16(x) (*(u16*)(x))
-#define be_to_h_u32(x) (u32)((x)[3] | (x)[2] << 8 | (x)[1] << 16 | (x)[0] << 24)
-#define be_to_h_u16(x) (u16)((x)[1] | (x)[0] << 8)
-
-#define h_u32_to_le(buf, val) do { *(u32*)(buf) = (val); } while (0)
-#define h_u16_to_le(buf, val) do { *(u16*)(buf) = (val); } while (0)
-
-#define h_u32_to_be(buf, val) \
- do { \
- buf[0] = (val & 0xff000000) >> 24; \
- buf[1] = (val & 0x00ff0000) >> 16; \
- buf[2] = (val & 0x0000ff00) >> 8; \
- buf[3] = (val & 0x000000ff); \
- } while (0)
-
-#define h_u16_to_be(buf, val) \
- do { \
- buf[0] = (val & 0xff000) >> 8; \
- buf[1] = (val & 0x00ff); \
- } while (0)
+ #ifndef LLONG_MAX
+ #define ULLONG_MAX UINT64_C(0xFFFFFFFFFFFFFFFF)
+ #define LLONG_MAX INT64_C(0x7FFFFFFFFFFFFFFF)
+ #define LLONG_MIN ULLONG_MAX
+ #endif
+
+
+#define ULLONG_MAX 18446744073709551615
+
+/* C99, eCos is C90 compliant (with bits of C99) */
+#define isblank(c) ((c) == ' ' || (c) == '\t')
+
+
#endif
#endif /* TYPES_H */
Code Review / openocd.git / blobdiff