diff options
Diffstat (limited to 'library/include/mipi_syst/compiler.h')
| -rw-r--r-- | library/include/mipi_syst/compiler.h | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/library/include/mipi_syst/compiler.h b/library/include/mipi_syst/compiler.h new file mode 100644 index 0000000..822642e --- /dev/null +++ b/library/include/mipi_syst/compiler.h @@ -0,0 +1,193 @@ +/* +Copyright (c) 2018, MIPI Alliance, Inc. +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions +are met: + +* Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + +* Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + +* Neither the name of the copyright holder nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +/* + * Contributors: + * Norbert Schulz (Intel Corporation) - Initial API and implementation + */ + +/* Compiler specific defines */ + +#ifndef MIPI_SYST_COMPILER_INCLUDED +#define MIPI_SYST_COMPILER_INCLUDED + +#if defined(__cplusplus) +extern "C" { +#endif + +#if defined(_WIN32) /* MSVC Compiler section */ + +/* basic integer types + */ +typedef __int8 mipi_syst_s8; +typedef __int16 mipi_syst_s16; +typedef __int32 mipi_syst_s32; +typedef __int64 mipi_syst_s64; + +typedef unsigned __int8 mipi_syst_u8; +typedef unsigned __int16 mipi_syst_u16; +typedef unsigned __int32 mipi_syst_u32; +typedef unsigned __int64 mipi_syst_u64; + +/* shared library import/export + */ +#if defined(MIPI_SYST_STATIC) +#define MIPI_SYST_EXPORT +#define MIPI_SYST_EXPORT +#else +#if defined(MIPI_SYST_EXPORTS) +#define MIPI_SYST_EXPORT __declspec(dllexport) +#else +#define MIPI_SYST_EXPORT __declspec(dllimport) +#endif +#endif + +#define MIPI_SYST_CALLCONV __stdcall + +/* Caution: Windows doesn't support attribute based shared library + * life time functions. Add these calls into a dllmain routine + * instead. + */ +#define MIPI_SYST_SHAREDLIB_CONSTRUCTOR +#define MIPI_SYST_SHAREDLIB_DESTRUCTOR + +#define MIPI_SYST_FUNCTION_NAME __FUNCTION__ +#define MIPI_SYST_LINE __LINE__ +#define MIPI_SYST_FILE __FILE__ + +#if defined(NDEBUG) +#define _MIPI_SYST_OPTIMIZER_ON +#endif + +#define MIPI_SYST_CC_INLINE __inline + +/* Macros for byte swapping to little endian + * + * Assume this compiler is always little endian + */ +#define MIPI_SYST_HTOLE16(v) (v) +#define MIPI_SYST_HTOLE32(v) (v) +#define MIPI_SYST_HTOLE64(v) (v) + +/* HW CRC32C support ? */ +#if defined(MIPI_SYST_CRC_INTRINSIC_ON) +#define MIPI_SYST_CRC_INTRINSIC + +#include <intrin.h> +#define _MIPI_SYST_CPU_CRC8(crc, v) _mm_crc32_u8((crc), (v)) +#define _MIPI_SYST_CPU_CRC16(crc, v) _mm_crc32_u16((crc), (v)) +#define _MIPI_SYST_CPU_CRC32(crc, v) _mm_crc32_u32((crc), (v)) +#if defined(_WIN64) +#define _MIPI_SYST_CPU_CRC64(crc, v) (mipi_syst_u32)_mm_crc32_u64((crc), (v)) +#else +#define _MIPI_SYST_CPU_CRC64(crc, v) \ + _mm_crc32_u32(\ + _mm_crc32_u32((crc), (mipi_syst_u32)(v)), \ + ((mipi_syst_u32)((v)>> 32))\ + ) +#endif +#endif + +#elif defined(__GNUC__) /* GNU-C Compiler section */ + +/* basic integer types + */ +typedef char mipi_syst_s8; +typedef short mipi_syst_s16; +typedef int mipi_syst_s32; +typedef long long mipi_syst_s64; + +typedef unsigned char mipi_syst_u8; +typedef unsigned short mipi_syst_u16; +typedef unsigned int mipi_syst_u32; +typedef unsigned long long mipi_syst_u64; + +/* shared library related settings + */ +#define MIPI_SYST_EXPORT +#define MIPI_SYST_CALLCONV + +#define MIPI_SYST_SHAREDLIB_CONSTRUCTOR __attribute__((constructor)) +#define MIPI_SYST_SHAREDLIB_DESTRUCTOR __attribute__((destructor)) + +#define MIPI_SYST_FUNCTION_NAME __PRETTY_FUNCTION__ +#define MIPI_SYST_LINE __LINE__ +#define MIPI_SYST_FILE __FILE__ +#define MIPI_SYST_CC_INLINE inline + +/* Macros for byte swapping to little endian + */ +#if defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ +#define MIPI_SYST_BIG_ENDIAN + +#define MIPI_SYST_HTOLE16(v) \ + ((((mipi_syst_u16)(v))>>8)|((((mipi_syst_u16)(v))&0xFF)<<8)) +#define MIPI_SYST_HTOLE32(v) \ + ((mipi_syst_u32)__builtin_bswap32((mipi_syst_u32)(v))) +#define MIPI_SYST_HTOLE64(v) \ + ((mipi_syst_u64)__builtin_bswap64((mipi_syst_u64)(v))) +#else +#define MIPI_SYST_HTOLE16(v) (v) +#define MIPI_SYST_HTOLE32(v) (v) +#define MIPI_SYST_HTOLE64(v) (v) +#endif + +#if defined(__OPTIMIZE__) +#define _MIPI_SYST_OPTIMIZER_ON +#endif + +/* HW CRC32C support ? */ +#if defined(MIPI_SYST_CRC_INTRINSIC_ON) +#define MIPI_SYST_CRC_INTRINSIC + +#define _MIPI_SYST_CPU_CRC8(crc, v) __builtin_ia32_crc32qi((crc), (v)) +#define _MIPI_SYST_CPU_CRC16(crc, v) __builtin_ia32_crc32hi((crc), (v)) +#define _MIPI_SYST_CPU_CRC32(crc, v) __builtin_ia32_crc32si((crc), (v)) +#if defined(_WIN64) || defined(__x86_64__) || defined (__LP64__) +#define _MIPI_SYST_CPU_CRC64(crc, v) (mipi_syst_u32)__builtin_ia32_crc32di((crc), (v)) +#else +#define _MIPI_SYST_CPU_CRC64(crc, v) \ + __builtin_ia32_crc32si (\ + __builtin_ia32_crc32si((crc), (mipi_syst_u32)(v)), \ + ((mipi_syst_u32)((v)>> 32))\ + ) +#endif +#endif +#else +#error unknown compiler, copy and adapt one of the sections above +#endif + +#ifdef __cplusplus +} /* extern C */ +#endif +#endif |