X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Fhelper%2Ftypes.h;h=04b005945939fb8925633b5762b25bc2f1442ae0;hp=813f6f25c0cf8243951250f177ece26c11d615cd;hb=f6a3fc818bc6a24b6c5bbcc6057f72d2b0b2e2ab;hpb=46d13ccc3b75b4df79b329c0fb8737f55afff092 diff --git a/src/helper/types.h b/src/helper/types.h index 813f6f25c0..04b0059459 100644 --- a/src/helper/types.h +++ b/src/helper/types.h @@ -2,7 +2,7 @@ * 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 * @@ -23,31 +23,17 @@ #ifndef TYPES_H #define TYPES_H +#include #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_STDINT_H #include #endif - -#ifndef u8 -typedef unsigned char u8; -#endif - -#ifndef u16 -typedef unsigned short u16; -#endif - -#ifndef u32 -typedef unsigned int u32; -#endif - -#ifndef u64 -typedef unsigned long long u64; +#ifdef HAVE_INTTYPES_H +#include #endif -typedef struct jtag_tap_s jtag_tap_t; - #ifdef HAVE_STDBOOL_H #include #else /* HAVE_STDBOOL_H */ @@ -60,7 +46,7 @@ typedef struct jtag_tap_s jtag_tap_t; #define true 1 typedef int _Bool; -#else +#else typedef bool _Bool; #endif /* __cplusplus */ #endif /* HAVE__BOOL */ @@ -69,6 +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. + * + * const char *strs[] = { "a", "b", "c" }; + * unsigned num_strs = ARRAY_SIZE(strs); + * + */ +#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 @@ -88,52 +111,99 @@ typedef bool _Bool; */ -static inline u32 le_to_h_u32(const u8* 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 u16 le_to_h_u16(const u8* buf) +static inline uint16_t le_to_h_u16(const uint8_t* buf) { - return (u16)(buf[0] | buf[1] << 8); + return (uint16_t)(buf[0] | buf[1] << 8); } -static inline u32 be_to_h_u32(const u8* 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 u16 be_to_h_u16(const u8* buf) +static inline uint16_t be_to_h_u16(const uint8_t* buf) { - return (u16)(buf[1] | buf[0] << 8); + return (uint16_t)(buf[1] | buf[0] << 8); } -static inline void h_u32_to_le(u8* buf, int val) +static inline void h_u32_to_le(uint8_t* buf, int val) { - buf[3] = (u8) (val >> 24); - buf[2] = (u8) (val >> 16); - buf[1] = (u8) (val >> 8); - buf[0] = (u8) (val >> 0); + 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(u8* buf, int val) +static inline void h_u32_to_be(uint8_t* buf, int val) { - buf[0] = (u8) (val >> 24); - buf[1] = (u8) (val >> 16); - buf[2] = (u8) (val >> 8); - buf[3] = (u8) (val >> 0); + 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(u8* buf, int val) +static inline void h_u16_to_le(uint8_t* buf, int val) { - buf[1] = (u8) (val >> 8); - buf[0] = (u8) (val >> 0); + buf[1] = (uint8_t) (val >> 8); + buf[0] = (uint8_t) (val >> 0); } -static inline void h_u16_to_be(u8* buf, int val) +static inline void h_u16_to_be(uint8_t* buf, int val) { - buf[0] = (u8) (val >> 8); - buf[1] = (u8) (val >> 0); + 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" +#define PRId8 PRId32 + +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 + + #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 */