diff options
Diffstat (limited to 'tmk_core/protocol/arm_atsam/usb')
34 files changed, 3200 insertions, 4231 deletions
diff --git a/tmk_core/protocol/arm_atsam/usb/compiler.h b/tmk_core/protocol/arm_atsam/usb/compiler.h index b2ccfd73ed..6ba2322340 100644 --- a/tmk_core/protocol/arm_atsam/usb/compiler.h +++ b/tmk_core/protocol/arm_atsam/usb/compiler.h @@ -43,7 +43,7 @@ */ #ifndef UTILS_COMPILER_H_INCLUDED -#define UTILS_COMPILER_H_INCLUDED +# define UTILS_COMPILER_H_INCLUDED /** * \defgroup group_sam0_utils Compiler abstraction layer and code utilities @@ -54,38 +54,38 @@ * @{ */ -#if (defined __ICCARM__) -# include <intrinsics.h> -#endif +# if (defined __ICCARM__) +# include <intrinsics.h> +# endif -#include <stddef.h> +# include <stddef.h> //#include <parts.h> //#include <status_codes.h> //#include <preprocessor.h> //#include <io.h> -#ifndef __ASSEMBLY__ +# ifndef __ASSEMBLY__ -#include <stdio.h> -#include <stdbool.h> -#include <stdint.h> -#include <stdlib.h> +# include <stdio.h> +# include <stdbool.h> +# include <stdint.h> +# include <stdlib.h> /** * \def UNUSED * \brief Marking \a v as a unused parameter or value. */ -#define UNUSED(v) (void)(v) +# define UNUSED(v) (void)(v) /** * \def barrier * \brief Memory barrier */ -#ifdef __GNUC__ -# define barrier() asm volatile("" ::: "memory") -#else -# define barrier() asm ("") -#endif +# ifdef __GNUC__ +# define barrier() asm volatile("" ::: "memory") +# else +# define barrier() asm("") +# endif /** * \brief Emit the compiler pragma \a arg. @@ -93,38 +93,37 @@ * \param[in] arg The pragma directive as it would appear after \e \#pragma * (i.e. not stringified). */ -#define COMPILER_PRAGMA(arg) _Pragma(#arg) +# define COMPILER_PRAGMA(arg) _Pragma(# arg) /** * \def COMPILER_PACK_SET(alignment) * \brief Set maximum alignment for subsequent struct and union definitions to \a alignment. */ -#define COMPILER_PACK_SET(alignment) COMPILER_PRAGMA(pack(alignment)) +# define COMPILER_PACK_SET(alignment) COMPILER_PRAGMA(pack(alignment)) /** * \def COMPILER_PACK_RESET() * \brief Set default alignment for subsequent struct and union definitions. */ -#define COMPILER_PACK_RESET() COMPILER_PRAGMA(pack()) - +# define COMPILER_PACK_RESET() COMPILER_PRAGMA(pack()) /** * \brief Set aligned boundary. */ -#if (defined __GNUC__) || (defined __CC_ARM) -# define COMPILER_ALIGNED(a) __attribute__((__aligned__(a))) -#elif (defined __ICCARM__) -# define COMPILER_ALIGNED(a) COMPILER_PRAGMA(data_alignment = a) -#endif +# if (defined __GNUC__) || (defined __CC_ARM) +# define COMPILER_ALIGNED(a) __attribute__((__aligned__(a))) +# elif (defined __ICCARM__) +# define COMPILER_ALIGNED(a) COMPILER_PRAGMA(data_alignment = a) +# endif /** * \brief Set word-aligned boundary. */ -#if (defined __GNUC__) || defined(__CC_ARM) -#define COMPILER_WORD_ALIGNED __attribute__((__aligned__(4))) -#elif (defined __ICCARM__) -#define COMPILER_WORD_ALIGNED COMPILER_PRAGMA(data_alignment = 4) -#endif +# if (defined __GNUC__) || defined(__CC_ARM) +# define COMPILER_WORD_ALIGNED __attribute__((__aligned__(4))) +# elif (defined __ICCARM__) +# define COMPILER_WORD_ALIGNED COMPILER_PRAGMA(data_alignment = 4) +# endif /** * \def __always_inline @@ -134,15 +133,15 @@ * heuristics and inline the function no matter how big it thinks it * becomes. */ -#if !defined(__always_inline) -#if defined(__CC_ARM) -# define __always_inline __forceinline -#elif (defined __GNUC__) -# define __always_inline __attribute__((__always_inline__)) -#elif (defined __ICCARM__) -# define __always_inline _Pragma("inline=forced") -#endif -#endif +# if !defined(__always_inline) +# if defined(__CC_ARM) +# define __always_inline __forceinline +# elif (defined __GNUC__) +# define __always_inline __attribute__((__always_inline__)) +# elif (defined __ICCARM__) +# define __always_inline _Pragma("inline=forced") +# endif +# endif /** * \def __no_inline @@ -152,14 +151,13 @@ * heuristics and not inline the function no matter how small it thinks it * becomes. */ -#if defined(__CC_ARM) -# define __no_inline __attribute__((noinline)) -#elif (defined __GNUC__) -# define __no_inline __attribute__((noinline)) -#elif (defined __ICCARM__) -# define __no_inline _Pragma("inline=never") -#endif - +# if defined(__CC_ARM) +# define __no_inline __attribute__((noinline)) +# elif (defined __GNUC__) +# define __no_inline __attribute__((noinline)) +# elif (defined __ICCARM__) +# define __no_inline _Pragma("inline=never") +# endif /** \brief This macro is used to test fatal errors. * @@ -170,212 +168,201 @@ * * \param[in] expr Expression to evaluate and supposed to be nonzero. */ -#if defined(_ASSERT_ENABLE_) -# if defined(TEST_SUITE_DEFINE_ASSERT_MACRO) -# include "unit_test/suite.h" -# else -# undef TEST_SUITE_DEFINE_ASSERT_MACRO -# define Assert(expr) \ - {\ - if (!(expr)) asm("BKPT #0");\ - } -# endif -#else -# define Assert(expr) ((void) 0) -#endif +# if defined(_ASSERT_ENABLE_) +# if defined(TEST_SUITE_DEFINE_ASSERT_MACRO) +# include "unit_test/suite.h" +# else +# undef TEST_SUITE_DEFINE_ASSERT_MACRO +# define Assert(expr) \ + { \ + if (!(expr)) asm("BKPT #0"); \ + } +# endif +# else +# define Assert(expr) ((void)0) +# endif /* Define WEAK attribute */ -#if defined ( __CC_ARM ) -# define WEAK __attribute__ ((weak)) -#elif defined ( __ICCARM__ ) -# define WEAK __weak -#elif defined ( __GNUC__ ) -# define WEAK __attribute__ ((weak)) -#endif +# if defined(__CC_ARM) +# define WEAK __attribute__((weak)) +# elif defined(__ICCARM__) +# define WEAK __weak +# elif defined(__GNUC__) +# define WEAK __attribute__((weak)) +# endif /* Define NO_INIT attribute */ -#if defined ( __CC_ARM ) -# define NO_INIT __attribute__((zero_init)) -#elif defined ( __ICCARM__ ) -# define NO_INIT __no_init -#elif defined ( __GNUC__ ) -# define NO_INIT __attribute__((section(".no_init"))) -#endif +# if defined(__CC_ARM) +# define NO_INIT __attribute__((zero_init)) +# elif defined(__ICCARM__) +# define NO_INIT __no_init +# elif defined(__GNUC__) +# define NO_INIT __attribute__((section(".no_init"))) +# endif //#include "interrupt.h" /** \name Usual Types * @{ */ -#ifndef __cplusplus -# if !defined(__bool_true_false_are_defined) -typedef unsigned char bool; -# endif -#endif -typedef uint16_t le16_t; -typedef uint16_t be16_t; -typedef uint32_t le32_t; -typedef uint32_t be32_t; -typedef uint32_t iram_size_t; +# ifndef __cplusplus +# if !defined(__bool_true_false_are_defined) +typedef unsigned char bool; +# endif +# endif +typedef uint16_t le16_t; +typedef uint16_t be16_t; +typedef uint32_t le32_t; +typedef uint32_t be32_t; +typedef uint32_t iram_size_t; /** @} */ /** \name Aliasing Aggregate Types * @{ */ /** 16-bit union. */ -typedef union -{ - int16_t s16; - uint16_t u16; - int8_t s8[2]; - uint8_t u8[2]; +typedef union { + int16_t s16; + uint16_t u16; + int8_t s8[2]; + uint8_t u8[2]; } Union16; /** 32-bit union. */ -typedef union -{ - int32_t s32; - uint32_t u32; - int16_t s16[2]; - uint16_t u16[2]; - int8_t s8[4]; - uint8_t u8[4]; +typedef union { + int32_t s32; + uint32_t u32; + int16_t s16[2]; + uint16_t u16[2]; + int8_t s8[4]; + uint8_t u8[4]; } Union32; /** 64-bit union. */ -typedef union -{ - int64_t s64; - uint64_t u64; - int32_t s32[2]; - uint32_t u32[2]; - int16_t s16[4]; - uint16_t u16[4]; - int8_t s8[8]; - uint8_t u8[8]; +typedef union { + int64_t s64; + uint64_t u64; + int32_t s32[2]; + uint32_t u32[2]; + int16_t s16[4]; + uint16_t u16[4]; + int8_t s8[8]; + uint8_t u8[8]; } Union64; /** Union of pointers to 64-, 32-, 16- and 8-bit unsigned integers. */ -typedef union -{ - int64_t *s64ptr; - uint64_t *u64ptr; - int32_t *s32ptr; - uint32_t *u32ptr; - int16_t *s16ptr; - uint16_t *u16ptr; - int8_t *s8ptr; - uint8_t *u8ptr; +typedef union { + int64_t * s64ptr; + uint64_t *u64ptr; + int32_t * s32ptr; + uint32_t *u32ptr; + int16_t * s16ptr; + uint16_t *u16ptr; + int8_t * s8ptr; + uint8_t * u8ptr; } UnionPtr; /** Union of pointers to volatile 64-, 32-, 16- and 8-bit unsigned integers. */ -typedef union -{ - volatile int64_t *s64ptr; - volatile uint64_t *u64ptr; - volatile int32_t *s32ptr; - volatile uint32_t *u32ptr; - volatile int16_t *s16ptr; - volatile uint16_t *u16ptr; - volatile int8_t *s8ptr; - volatile uint8_t *u8ptr; +typedef union { + volatile int64_t * s64ptr; + volatile uint64_t *u64ptr; + volatile int32_t * s32ptr; + volatile uint32_t *u32ptr; + volatile int16_t * s16ptr; + volatile uint16_t *u16ptr; + volatile int8_t * s8ptr; + volatile uint8_t * u8ptr; } UnionVPtr; /** Union of pointers to constant 64-, 32-, 16- and 8-bit unsigned integers. */ -typedef union -{ - const int64_t *s64ptr; - const uint64_t *u64ptr; - const int32_t *s32ptr; - const uint32_t *u32ptr; - const int16_t *s16ptr; - const uint16_t *u16ptr; - const int8_t *s8ptr; - const uint8_t *u8ptr; +typedef union { + const int64_t * s64ptr; + const uint64_t *u64ptr; + const int32_t * s32ptr; + const uint32_t *u32ptr; + const int16_t * s16ptr; + const uint16_t *u16ptr; + const int8_t * s8ptr; + const uint8_t * u8ptr; } UnionCPtr; /** Union of pointers to constant volatile 64-, 32-, 16- and 8-bit unsigned integers. */ -typedef union -{ - const volatile int64_t *s64ptr; - const volatile uint64_t *u64ptr; - const volatile int32_t *s32ptr; - const volatile uint32_t *u32ptr; - const volatile int16_t *s16ptr; - const volatile uint16_t *u16ptr; - const volatile int8_t *s8ptr; - const volatile uint8_t *u8ptr; +typedef union { + const volatile int64_t * s64ptr; + const volatile uint64_t *u64ptr; + const volatile int32_t * s32ptr; + const volatile uint32_t *u32ptr; + const volatile int16_t * s16ptr; + const volatile uint16_t *u16ptr; + const volatile int8_t * s8ptr; + const volatile uint8_t * u8ptr; } UnionCVPtr; /** Structure of pointers to 64-, 32-, 16- and 8-bit unsigned integers. */ -typedef struct -{ - int64_t *s64ptr; - uint64_t *u64ptr; - int32_t *s32ptr; - uint32_t *u32ptr; - int16_t *s16ptr; - uint16_t *u16ptr; - int8_t *s8ptr; - uint8_t *u8ptr; +typedef struct { + int64_t * s64ptr; + uint64_t *u64ptr; + int32_t * s32ptr; + uint32_t *u32ptr; + int16_t * s16ptr; + uint16_t *u16ptr; + int8_t * s8ptr; + uint8_t * u8ptr; } StructPtr; /** Structure of pointers to volatile 64-, 32-, 16- and 8-bit unsigned integers. */ -typedef struct -{ - volatile int64_t *s64ptr; - volatile uint64_t *u64ptr; - volatile int32_t *s32ptr; - volatile uint32_t *u32ptr; - volatile int16_t *s16ptr; - volatile uint16_t *u16ptr; - volatile int8_t *s8ptr; - volatile uint8_t *u8ptr; +typedef struct { + volatile int64_t * s64ptr; + volatile uint64_t *u64ptr; + volatile int32_t * s32ptr; + volatile uint32_t *u32ptr; + volatile int16_t * s16ptr; + volatile uint16_t *u16ptr; + volatile int8_t * s8ptr; + volatile uint8_t * u8ptr; } StructVPtr; /** Structure of pointers to constant 64-, 32-, 16- and 8-bit unsigned integers. */ -typedef struct -{ - const int64_t *s64ptr; - const uint64_t *u64ptr; - const int32_t *s32ptr; - const uint32_t *u32ptr; - const int16_t *s16ptr; - const uint16_t *u16ptr; - const int8_t *s8ptr; - const uint8_t *u8ptr; +typedef struct { + const int64_t * s64ptr; + const uint64_t *u64ptr; + const int32_t * s32ptr; + const uint32_t *u32ptr; + const int16_t * s16ptr; + const uint16_t *u16ptr; + const int8_t * s8ptr; + const uint8_t * u8ptr; } StructCPtr; /** Structure of pointers to constant volatile 64-, 32-, 16- and 8-bit unsigned integers. */ -typedef struct -{ - const volatile int64_t *s64ptr; - const volatile uint64_t *u64ptr; - const volatile int32_t *s32ptr; - const volatile uint32_t *u32ptr; - const volatile int16_t *s16ptr; - const volatile uint16_t *u16ptr; - const volatile int8_t *s8ptr; - const volatile uint8_t *u8ptr; +typedef struct { + const volatile int64_t * s64ptr; + const volatile uint64_t *u64ptr; + const volatile int32_t * s32ptr; + const volatile uint32_t *u32ptr; + const volatile int16_t * s16ptr; + const volatile uint16_t *u16ptr; + const volatile int8_t * s8ptr; + const volatile uint8_t * u8ptr; } StructCVPtr; /** @} */ -#endif /* #ifndef __ASSEMBLY__ */ +# endif /* #ifndef __ASSEMBLY__ */ /** \name Usual Constants * @{ */ -//kmod #define DISABLE 0 -//kmod #define ENABLE 1 - -#ifndef __cplusplus -# if !defined(__bool_true_false_are_defined) -# define false 0 -# define true 1 -# endif -#endif +// kmod #define DISABLE 0 +// kmod #define ENABLE 1 + +# ifndef __cplusplus +# if !defined(__bool_true_false_are_defined) +# define false 0 +# define true 1 +# endif +# endif /** @} */ -#ifndef __ASSEMBLY__ +# ifndef __ASSEMBLY__ /** \name Optimization Control * @{ */ @@ -384,17 +371,17 @@ typedef struct * \def likely(exp) * \brief The expression \a exp is likely to be true */ -#if !defined(likely) || defined(__DOXYGEN__) -# define likely(exp) (exp) -#endif +# if !defined(likely) || defined(__DOXYGEN__) +# define likely(exp) (exp) +# endif /** * \def unlikely(exp) * \brief The expression \a exp is unlikely to be true */ -#if !defined(unlikely) || defined(__DOXYGEN__) -# define unlikely(exp) (exp) -#endif +# if !defined(unlikely) || defined(__DOXYGEN__) +# define unlikely(exp) (exp) +# endif /** * \def is_constant(exp) @@ -404,11 +391,11 @@ typedef struct * * \return true if \a exp is constant, false otherwise. */ -#if (defined __GNUC__) || (defined __CC_ARM) -# define is_constant(exp) __builtin_constant_p(exp) -#else -# define is_constant(exp) (0) -#endif +# if (defined __GNUC__) || (defined __CC_ARM) +# define is_constant(exp) __builtin_constant_p(exp) +# else +# define is_constant(exp) (0) +# endif /** @} */ @@ -422,7 +409,7 @@ typedef struct * * \return Read bits. */ -#define Rd_bits( value, mask) ((value) & (mask)) +# define Rd_bits(value, mask) ((value) & (mask)) /** \brief Writes the bits of a C lvalue specified by a given bit-mask. * @@ -432,8 +419,7 @@ typedef struct * * \return Resulting value with written bits. */ -#define Wr_bits(lvalue, mask, bits) ((lvalue) = ((lvalue) & ~(mask)) |\ - ((bits ) & (mask))) +# define Wr_bits(lvalue, mask, bits) ((lvalue) = ((lvalue) & ~(mask)) | ((bits) & (mask))) /** \brief Tests the bits of a value specified by a given bit-mask. * @@ -442,7 +428,7 @@ typedef struct * * \return \c 1 if at least one of the tested bits is set, else \c 0. */ -#define Tst_bits( value, mask) (Rd_bits(value, mask) != 0) +# define Tst_bits(value, mask) (Rd_bits(value, mask) != 0) /** \brief Clears the bits of a C lvalue specified by a given bit-mask. * @@ -451,7 +437,7 @@ typedef struct * * \return Resulting value with cleared bits. */ -#define Clr_bits(lvalue, mask) ((lvalue) &= ~(mask)) +# define Clr_bits(lvalue, mask) ((lvalue) &= ~(mask)) /** \brief Sets the bits of a C lvalue specified by a given bit-mask. * @@ -460,7 +446,7 @@ typedef struct * * \return Resulting value with set bits. */ -#define Set_bits(lvalue, mask) ((lvalue) |= (mask)) +# define Set_bits(lvalue, mask) ((lvalue) |= (mask)) /** \brief Toggles the bits of a C lvalue specified by a given bit-mask. * @@ -469,7 +455,7 @@ typedef struct * * \return Resulting value with toggled bits. */ -#define Tgl_bits(lvalue, mask) ((lvalue) ^= (mask)) +# define Tgl_bits(lvalue, mask) ((lvalue) ^= (mask)) /** \brief Reads the bit-field of a value specified by a given bit-mask. * @@ -478,7 +464,7 @@ typedef struct * * \return Read bit-field. */ -#define Rd_bitfield( value, mask) (Rd_bits( value, mask) >> ctz(mask)) +# define Rd_bitfield(value, mask) (Rd_bits(value, mask) >> ctz(mask)) /** \brief Writes the bit-field of a C lvalue specified by a given bit-mask. * @@ -488,11 +474,10 @@ typedef struct * * \return Resulting value with written bit-field. */ -#define Wr_bitfield(lvalue, mask, bitfield) (Wr_bits(lvalue, mask, (uint32_t)(bitfield) << ctz(mask))) +# define Wr_bitfield(lvalue, mask, bitfield) (Wr_bits(lvalue, mask, (uint32_t)(bitfield) << ctz(mask))) /** @} */ - /** \name Zero-Bit Counting * * Under GCC, __builtin_clz and __builtin_ctz behave like macros when @@ -513,43 +498,11 @@ typedef struct * * \return The count of leading zero bits in \a u. */ -#if (defined __GNUC__) || (defined __CC_ARM) -# define clz(u) ((u) ? __builtin_clz(u) : 32) -#else -# define clz(u) (((u) == 0) ? 32 : \ - ((u) & (1ul << 31)) ? 0 : \ - ((u) & (1ul << 30)) ? 1 : \ - ((u) & (1ul << 29)) ? 2 : \ - ((u) & (1ul << 28)) ? 3 : \ - ((u) & (1ul << 27)) ? 4 : \ - ((u) & (1ul << 26)) ? 5 : \ - ((u) & (1ul << 25)) ? 6 : \ - ((u) & (1ul << 24)) ? 7 : \ - ((u) & (1ul << 23)) ? 8 : \ - ((u) & (1ul << 22)) ? 9 : \ - ((u) & (1ul << 21)) ? 10 : \ - ((u) & (1ul << 20)) ? 11 : \ - ((u) & (1ul << 19)) ? 12 : \ - ((u) & (1ul << 18)) ? 13 : \ - ((u) & (1ul << 17)) ? 14 : \ - ((u) & (1ul << 16)) ? 15 : \ - ((u) & (1ul << 15)) ? 16 : \ - ((u) & (1ul << 14)) ? 17 : \ - ((u) & (1ul << 13)) ? 18 : \ - ((u) & (1ul << 12)) ? 19 : \ - ((u) & (1ul << 11)) ? 20 : \ - ((u) & (1ul << 10)) ? 21 : \ - ((u) & (1ul << 9)) ? 22 : \ - ((u) & (1ul << 8)) ? 23 : \ - ((u) & (1ul << 7)) ? 24 : \ - ((u) & (1ul << 6)) ? 25 : \ - ((u) & (1ul << 5)) ? 26 : \ - ((u) & (1ul << 4)) ? 27 : \ - ((u) & (1ul << 3)) ? 28 : \ - ((u) & (1ul << 2)) ? 29 : \ - ((u) & (1ul << 1)) ? 30 : \ - 31) -#endif +# if (defined __GNUC__) || (defined __CC_ARM) +# define clz(u) ((u) ? __builtin_clz(u) : 32) +# else +# define clz(u) (((u) == 0) ? 32 : ((u) & (1ul << 31)) ? 0 : ((u) & (1ul << 30)) ? 1 : ((u) & (1ul << 29)) ? 2 : ((u) & (1ul << 28)) ? 3 : ((u) & (1ul << 27)) ? 4 : ((u) & (1ul << 26)) ? 5 : ((u) & (1ul << 25)) ? 6 : ((u) & (1ul << 24)) ? 7 : ((u) & (1ul << 23)) ? 8 : ((u) & (1ul << 22)) ? 9 : ((u) & (1ul << 21)) ? 10 : ((u) & (1ul << 20)) ? 11 : ((u) & (1ul << 19)) ? 12 : ((u) & (1ul << 18)) ? 13 : ((u) & (1ul << 17)) ? 14 : ((u) & (1ul << 16)) ? 15 : ((u) & (1ul << 15)) ? 16 : ((u) & (1ul << 14)) ? 17 : ((u) & (1ul << 13)) ? 18 : ((u) & (1ul << 12)) ? 19 : ((u) & (1ul << 11)) ? 20 : ((u) & (1ul << 10)) ? 21 : ((u) & (1ul << 9)) ? 22 : ((u) & (1ul << 8)) ? 23 : ((u) & (1ul << 7)) ? 24 : ((u) & (1ul << 6)) ? 25 : ((u) & (1ul << 5)) ? 26 : ((u) & (1ul << 4)) ? 27 : ((u) & (1ul << 3)) ? 28 : ((u) & (1ul << 2)) ? 29 : ((u) & (1ul << 1)) ? 30 : 31) +# endif /** \brief Counts the trailing zero bits of the given value considered as a 32-bit integer. * @@ -557,47 +510,14 @@ typedef struct * * \return The count of trailing zero bits in \a u. */ -#if (defined __GNUC__) || (defined __CC_ARM) -# define ctz(u) ((u) ? __builtin_ctz(u) : 32) -#else -# define ctz(u) ((u) & (1ul << 0) ? 0 : \ - (u) & (1ul << 1) ? 1 : \ - (u) & (1ul << 2) ? 2 : \ - (u) & (1ul << 3) ? 3 : \ - (u) & (1ul << 4) ? 4 : \ - (u) & (1ul << 5) ? 5 : \ - (u) & (1ul << 6) ? 6 : \ - (u) & (1ul << 7) ? 7 : \ - (u) & (1ul << 8) ? 8 : \ - (u) & (1ul << 9) ? 9 : \ - (u) & (1ul << 10) ? 10 : \ - (u) & (1ul << 11) ? 11 : \ - (u) & (1ul << 12) ? 12 : \ - (u) & (1ul << 13) ? 13 : \ - (u) & (1ul << 14) ? 14 : \ - (u) & (1ul << 15) ? 15 : \ - (u) & (1ul << 16) ? 16 : \ - (u) & (1ul << 17) ? 17 : \ - (u) & (1ul << 18) ? 18 : \ - (u) & (1ul << 19) ? 19 : \ - (u) & (1ul << 20) ? 20 : \ - (u) & (1ul << 21) ? 21 : \ - (u) & (1ul << 22) ? 22 : \ - (u) & (1ul << 23) ? 23 : \ - (u) & (1ul << 24) ? 24 : \ - (u) & (1ul << 25) ? 25 : \ - (u) & (1ul << 26) ? 26 : \ - (u) & (1ul << 27) ? 27 : \ - (u) & (1ul << 28) ? 28 : \ - (u) & (1ul << 29) ? 29 : \ - (u) & (1ul << 30) ? 30 : \ - (u) & (1ul << 31) ? 31 : \ - 32) -#endif +# if (defined __GNUC__) || (defined __CC_ARM) +# define ctz(u) ((u) ? __builtin_ctz(u) : 32) +# else +# define ctz(u) ((u) & (1ul << 0) ? 0 : (u) & (1ul << 1) ? 1 : (u) & (1ul << 2) ? 2 : (u) & (1ul << 3) ? 3 : (u) & (1ul << 4) ? 4 : (u) & (1ul << 5) ? 5 : (u) & (1ul << 6) ? 6 : (u) & (1ul << 7) ? 7 : (u) & (1ul << 8) ? 8 : (u) & (1ul << 9) ? 9 : (u) & (1ul << 10) ? 10 : (u) & (1ul << 11) ? 11 : (u) & (1ul << 12) ? 12 : (u) & (1ul << 13) ? 13 : (u) & (1ul << 14) ? 14 : (u) & (1ul << 15) ? 15 : (u) & (1ul << 16) ? 16 : (u) & (1ul << 17) ? 17 : (u) & (1ul << 18) ? 18 : (u) & (1ul << 19) ? 19 : (u) & (1ul << 20) ? 20 : (u) & (1ul << 21) ? 21 : (u) & (1ul << 22) ? 22 : (u) & (1ul << 23) ? 23 : (u) & (1ul << 24) ? 24 : (u) & (1ul << 25) ? 25 : (u) & (1ul << 26) ? 26 : (u) & (1ul << 27) ? 27 : (u) & (1ul << 28) ? 28 : (u) & (1ul << 29) ? 29 : (u) & (1ul << 30) ? 30 : (u) & (1ul << 31) ? 31 : 32) +# endif /** @} */ - /** \name Bit Reversing * @{ */ @@ -607,7 +527,7 @@ typedef struct * * \return Value resulting from \a u8 with reversed bits. */ -#define bit_reverse8(u8) ((U8)(bit_reverse32((U8)(u8)) >> 24)) +# define bit_reverse8(u8) ((U8)(bit_reverse32((U8)(u8)) >> 24)) /** \brief Reverses the bits of \a u16. * @@ -615,7 +535,7 @@ typedef struct * * \return Value resulting from \a u16 with reversed bits. */ -#define bit_reverse16(u16) ((uint16_t)(bit_reverse32((uint16_t)(u16)) >> 16)) +# define bit_reverse16(u16) ((uint16_t)(bit_reverse32((uint16_t)(u16)) >> 16)) /** \brief Reverses the bits of \a u32. * @@ -623,7 +543,7 @@ typedef struct * * \return Value resulting from \a u32 with reversed bits. */ -#define bit_reverse32(u32) __RBIT(u32) +# define bit_reverse32(u32) __RBIT(u32) /** \brief Reverses the bits of \a u64. * @@ -631,12 +551,10 @@ typedef struct * * \return Value resulting from \a u64 with reversed bits. */ -#define bit_reverse64(u64) ((uint64_t)(((uint64_t)bit_reverse32((uint64_t)(u64) >> 32)) |\ - ((uint64_t)bit_reverse32((uint64_t)(u64)) << 32))) +# define bit_reverse64(u64) ((uint64_t)(((uint64_t)bit_reverse32((uint64_t)(u64) >> 32)) | ((uint64_t)bit_reverse32((uint64_t)(u64)) << 32))) /** @} */ - /** \name Alignment * @{ */ @@ -647,7 +565,7 @@ typedef struct * * \return \c 1 if the number \a val is aligned with the \a n boundary, else \c 0. */ -#define Test_align(val, n) (!Tst_bits( val, (n) - 1 ) ) +# define Test_align(val, n) (!Tst_bits(val, (n)-1)) /** \brief Gets alignment of the number \a val with respect to the \a n boundary. * @@ -656,7 +574,7 @@ typedef struct * * \return Alignment of the number \a val with respect to the \a n boundary. */ -#define Get_align(val, n) ( Rd_bits( val, (n) - 1 ) ) |