X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Fhelper%2Ftypes.h;h=12b95150b4999fbe115c2950cd86ac0edcc73c23;hp=86b62c23a7b3c28a411c8454e63f9542318d6b67;hb=33a17fd35995a7f679f92600055a8f55ae380022;hpb=4d32b6eee972c59a29d8a03ea5b62ee6af9c952d

diff --git a/src/helper/types.h b/src/helper/types.h
index 86b62c23a7..12b95150b4 100644
--- a/src/helper/types.h
+++ b/src/helper/types.h
@@ -23,6 +23,7 @@
 #ifndef TYPES_H
 #define TYPES_H
 
+#include <stddef.h>
 #ifdef HAVE_SYS_TYPES_H
 #include <sys/types.h>
 #endif
@@ -33,8 +34,6 @@
 #include <inttypes.h>
 #endif
 
-typedef struct jtag_tap_s jtag_tap_t;
-
 #ifdef HAVE_STDBOOL_H
 #include <stdbool.h>
 #else	/* HAVE_STDBOOL_H */
@@ -56,6 +55,43 @@ typedef bool _Bool;
 
 #endif	/* HAVE_STDBOOL_H */
 
+/// turns a macro argument into a string constant
+#define stringify(s) __stringify(s)
+#define __stringify(s) #s
+
+
+/**
+ * Compute the number of elements of a variable length array.
+ * <code>
+ * const char *strs[] = { "a", "b", "c" };
+ * unsigned num_strs = ARRAY_SIZE(strs);
+ * </code>
+ */
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof(*(x)))
+
+
+/**
+ * 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 *)( (void *) ( (char *)__mptr - offsetof(type,member) ) );})
+
+
+/**
+ * Rounds @c m up to the nearest multiple of @c n using division.
+ * @param m The value to round up to @c n.
+ * @param 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
@@ -80,6 +116,11 @@ 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 uint32_t le_to_h_u24(const uint8_t* buf)
+{
+	return (uint32_t)(buf[0] | buf[1] << 8 | buf[2] << 16);
+}
+
 static inline uint16_t le_to_h_u16(const uint8_t* buf)
 {
 	return (uint16_t)(buf[0] | buf[1] << 8);
@@ -90,6 +131,11 @@ 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 uint32_t be_to_h_u24(const uint8_t* buf)
+{
+	return (uint32_t)(buf[2] | buf[1] << 8 | buf[0] << 16);
+}
+
 static inline uint16_t be_to_h_u16(const uint8_t* buf)
 {
 	return (uint16_t)(buf[1] | buf[0] << 8);
@@ -111,6 +157,20 @@ static inline void h_u32_to_be(uint8_t* buf, int val)
 	buf[3] = (uint8_t) (val >> 0);
 }
 
+static inline void h_u24_to_le(uint8_t* buf, int val)
+{
+	buf[2] = (uint8_t) (val >> 16);
+	buf[1] = (uint8_t) (val >> 8);
+	buf[0] = (uint8_t) (val >> 0);
+}
+
+static inline void h_u24_to_be(uint8_t* buf, int val)
+{
+	buf[0] = (uint8_t) (val >> 16);
+	buf[1] = (uint8_t) (val >> 8);
+	buf[2] = (uint8_t) (val >> 0);
+}
+
 static inline void h_u16_to_le(uint8_t* buf, int val)
 {
 	buf[1] = (uint8_t) (val >> 8);
@@ -123,18 +183,20 @@ static inline void h_u16_to_be(uint8_t* buf, int val)
 	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"
+#define PRId8 PRId32
 
 typedef CYG_ADDRWORD intptr_t;
 typedef int64_t intmax_t;
@@ -151,6 +213,14 @@ 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