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2025-04-12 13:30:57 +01:00

211 lines
5.9 KiB
C

/***************************************************************************//**
* @file
* @brief Silabs Compiler definitions.
*******************************************************************************
* # License
* <b>Copyright 2022 Silicon Laboratories Inc. www.silabs.com</b>
*******************************************************************************
*
* SPDX-License-Identifier: Zlib
*
* The licensor of this software is Silicon Laboratories Inc.
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
*
******************************************************************************/
#ifndef SL_COMPILER_H
#define SL_COMPILER_H
/***************************************************************************//**
* @addtogroup compiler Compiler definitions
* @brief Compiler definitions
* @{
******************************************************************************/
#ifdef __cplusplus
extern "C" {
#endif
#if defined (__GNUC__)
// Fallback for __has_builtin.
#ifndef __has_builtin
#define __has_builtin(x) (0)
#endif
// Compiler specific defines.
#ifndef __ASM
#define __ASM __asm
#endif
#ifndef __INLINE
#define __INLINE inline
#endif
#ifndef __STATIC_INLINE
#define __STATIC_INLINE static inline
#endif
#ifndef __STATIC_FORCEINLINE
#define __STATIC_FORCEINLINE __attribute__((always_inline)) static inline
#endif
#ifndef __NO_RETURN
#define __NO_RETURN __attribute__((__noreturn__))
#endif
#ifndef __USED
#define __USED __attribute__((used))
#endif
#ifndef __WEAK
#define __WEAK __attribute__((weak))
#endif
#ifndef __PACKED
#define __PACKED __attribute__((packed, aligned(1)))
#endif
#ifndef __PACKED_STRUCT
#define __PACKED_STRUCT struct __attribute__((packed, aligned(1)))
#endif
#ifndef __PACKED_UNION
#define __PACKED_UNION union __attribute__((packed, aligned(1)))
#endif
#ifndef __ALIGNED
#define __ALIGNED(x) __attribute__((aligned(x)))
#endif
#ifndef __RESTRICT
#define __RESTRICT __restrict
#endif
#elif defined(__IAR_SYSTEMS_ICC__)
#pragma system_include
#if (__VER__ >= 8000000)
#define __ICCARM_V8 1
#else
#define __ICCARM_V8 0
#endif
#ifndef __ALIGNED
#if __ICCARM_V8
#define __ALIGNED(x) __attribute__((aligned(x)))
#elif (__VER__ >= 7080000)
/* Needs IAR language extensions */
#define __ALIGNED(x) __attribute__((aligned(x)))
#else
#warning No compiler specific solution for __ALIGNED.__ALIGNED is ignored.
#define __ALIGNED(x)
#endif
#endif
#ifndef __ASM
#define __ASM __asm
#endif
#ifndef __INLINE
#define __INLINE inline
#endif
#ifndef __NO_RETURN
#if __ICCARM_V8
#define __NO_RETURN __attribute__((__noreturn__))
#else
#define __NO_RETURN _Pragma("object_attribute=__noreturn")
#endif
#endif
#ifndef __PACKED
#if __ICCARM_V8
#define __PACKED __attribute__((packed, aligned(1)))
#else
/* Needs IAR language extensions */
#define __PACKED __packed
#endif
#endif
#ifndef __PACKED_STRUCT
#if __ICCARM_V8
#define __PACKED_STRUCT struct __attribute__((packed, aligned(1)))
#else
/* Needs IAR language extensions */
#define __PACKED_STRUCT __packed struct
#endif
#endif
#ifndef __PACKED_UNION
#if __ICCARM_V8
#define __PACKED_UNION union __attribute__((packed, aligned(1)))
#else
/* Needs IAR language extensions */
#define __PACKED_UNION __packed union
#endif
#endif
#ifndef __RESTRICT
#define __RESTRICT restrict
#endif
#ifndef __STATIC_INLINE
#define __STATIC_INLINE static inline
#endif
#ifndef __FORCEINLINE
#define __FORCEINLINE _Pragma("inline=forced")
#endif
#ifndef __STATIC_FORCEINLINE
#define __STATIC_FORCEINLINE __FORCEINLINE __STATIC_INLINE
#endif
#ifndef __USED
#if __ICCARM_V8
#define __USED __attribute__((used))
#else
#define __USED _Pragma("__root")
#endif
#endif
#ifndef __WEAK
#if __ICCARM_V8
#define __WEAK __attribute__((weak))
#else
#define __WEAK _Pragma("__weak")
#endif
#endif
#else
#error "Unknown compiler."
#endif
// IO definitions (access restrictions to peripheral registers).
#ifdef __cplusplus
#define __I volatile ///< Defines 'read only' permissions
#else
#define __I volatile const ///< Defines 'read only' permissions
#endif
#define __O volatile ///< Defines 'write only' permissions
#define __IO volatile ///< Defines 'read / write' permissions
// The following defines should be used for structure members.
#define __IM volatile const ///< Defines 'read only' structure member permissions
#define __OM volatile ///< Defines 'write only' structure member permissions
#define __IOM volatile ///< Defines 'read / write' structure member permissions
#ifdef __cplusplus
}
#endif
/** @} (end group compiler) */
#endif // SL_COMPILER_H