* Copyright (C) 2004, 2005 by Dominic Rath *
* Dominic.Rath@gmx.de *
* *
- * Copyright (C) 2007,2008 Øyvind Harboe *
+ * Copyright (C) 2007,2008 Øyvind Harboe *
* oyvind.harboe@zylin.com *
* *
* This program is free software; you can redistribute it and/or modify *
#ifndef TYPES_H
#define TYPES_H
+#include <stddef.h>
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_STDINT_H
#include <stdint.h>
#endif
-
-#ifndef uint8_t
-typedef unsigned char uint8_t;
-#endif
-
-#ifndef uint16_t
-typedef unsigned short uint16_t;
-#endif
-
-#ifndef u32
-typedef unsigned int u32;
-#endif
-
-#ifndef u64
-typedef unsigned long long u64;
+#ifdef HAVE_INTTYPES_H
+#include <inttypes.h>
#endif
-typedef struct jtag_tap_s jtag_tap_t;
-
#ifdef HAVE_STDBOOL_H
#include <stdbool.h>
#else /* HAVE_STDBOOL_H */
#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) );})
+
+
+/**
+ * Rounds @c m up to the nearest multiple of @c n using division.
+ * @params m The value to round up to @c n.
+ * @params n Round @c m up to a multiple of this number.
+ * @returns The rounded integer value.
+ */
+#define DIV_ROUND_UP(m, n) (((m) + (n) - 1) / (n))
+
+
/* DANGER!!!! here be dragons!
*
* Leave these fn's as byte accesses because it is safe
*/
-static inline u32 le_to_h_u32(const uint8_t* buf)
+static inline uint32_t le_to_h_u32(const uint8_t* buf)
{
- return (u32)(buf[0] | buf[1] << 8 | buf[2] << 16 | buf[3] << 24);
+ 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 u32 be_to_h_u32(const uint8_t* buf)
+static inline uint32_t be_to_h_u32(const uint8_t* buf)
{
- return (u32)(buf[3] | buf[2] << 8 | buf[1] << 16 | buf[0] << 24);
+ 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)
buf[1] = (uint8_t) (val >> 0);
}
-#ifdef __ECOS
+#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"
-/* eCos plain lacks this definition... */
typedef CYG_ADDRWORD intptr_t;
typedef int64_t intmax_t;
typedef uint64_t uintmax_t;
#define INT64_MAX 0x7fffffffffffffffLL
#define INT64_MIN (-INT64_MAX - 1LL)
#define UINT64_MAX (__CONCAT(INT64_MAX, U) * 2ULL + 1ULL)
+#endif
+
+ #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