-/*!
+/**
* \file
* <!--
+ * This file is part of BeRTOS.
+ *
+ * Bertos is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * As a special exception, you may use this file as part of a free software
+ * library without restriction. Specifically, if other files instantiate
+ * templates or use macros or inline functions from this file, or you compile
+ * this file and link it with other files to produce an executable, this
+ * file does not by itself cause the resulting executable to be covered by
+ * the GNU General Public License. This exception does not however
+ * invalidate any other reasons why the executable file might be covered by
+ * the GNU General Public License.
+ *
* Copyright 2003, 2004, 2005 Develer S.r.l. (http://www.develer.com/)
* Copyright 2001, 2002, 2003 Bernardo Innocenti <bernie@codewiz.org>
- * This file is part of DevLib - See README.devlib for information.
+ *
* -->
*
* \brief Additional support macros for compiler independance
* \author Bernardo Innocenti <bernie@develer.com>
*/
-/*#*
- *#* $Log$
- *#* Revision 1.16 2006/03/20 17:48:09 bernie
- *#* Fix for avr-libc; INTERRUPT(): Remove macro.
- *#*
- *#* Revision 1.15 2006/03/13 02:06:25 bernie
- *#* containerof(): New macro.
- *#*
- *#* Revision 1.14 2006/02/23 08:36:33 bernie
- *#* Emulate __func__ on MSVC.
- *#*
- *#* Revision 1.13 2006/02/23 07:37:37 bernie
- *#* Compile fix for MSVC.
- *#*
- *#* Revision 1.12 2006/02/21 16:06:31 bernie
- *#* Fix ssize_t redefinitions on glibc systems.
- *#*
- *#* Revision 1.11 2006/02/20 14:34:58 bernie
- *#* Use portable type checking.
- *#*
- *#* Revision 1.10 2006/02/15 09:12:01 bernie
- *#* Fixes for ARM/IAR support.
- *#*
- *#* Revision 1.9 2006/02/10 12:38:00 bernie
- *#* Add support for ARM on IAR.
- *#*
- *#* Revision 1.8 2006/01/16 03:27:49 bernie
- *#* Rename sig_t to sigbit_t to avoid clash with POSIX.
- *#*
- *#* Revision 1.7 2005/11/27 23:33:05 bernie
- *#* Drop avr-libc hack for missing stdint.h.
- *#*
- *#* Revision 1.6 2005/07/19 07:27:31 bernie
- *#* Don't use CPU_REG_BITS from cpu.h to avoid circular header dependendy.
- *#*
- *#* Revision 1.5 2005/06/27 21:24:37 bernie
- *#* ticks_t: New typedef.
- *#*
- *#* Revision 1.4 2005/06/14 06:15:10 bernie
- *#* Add X86_64 support.
- *#*
- *#* Revision 1.3 2005/04/12 01:37:01 bernie
- *#* Metrowerks touchups from HeCo.
- *#*
- *#* Revision 1.2 2005/04/11 19:10:27 bernie
- *#* Include top-level headers from cfg/ subdir.
- *#*
- *#* Revision 1.1 2005/04/11 19:04:13 bernie
- *#* Move top-level headers to cfg/ subdir.
- *#*
- *#* Revision 1.44 2005/03/29 06:39:59 bernie
- *#* setjmp.h, time_t: Remove ancient retrocompatibility; Remove MSVC double to float hack.
- *#*
- *#* Revision 1.43 2005/03/01 23:15:12 bernie
- *#* Remove compatibility hack.
- *#*
- *#* Revision 1.42 2005/02/16 20:28:46 bernie
- *#* Move PGM macros to mware/pgm.h
- *#*
- *#* Revision 1.41 2005/01/22 04:19:22 bernie
- *#* MTIME_INFINITE: New constant.
- *#*
- *#* Revision 1.40 2005/01/20 18:46:04 aleph
- *#* Add progmem datatypes; PSTR() definition.
- *#*/
-#ifndef DEVLIB_COMPILER_H
-#define DEVLIB_COMPILER_H
-
-#include <cfg/cpu_detect.h>
+#ifndef BERTOS_COMPILER_H
+#define BERTOS_COMPILER_H
+
+#include <cpu/detect.h>
#if defined __GNUC__ && defined __GNUC_MINOR__
#endif
-/*! Concatenate two different preprocessor tokens (allowing macros to expand) */
+/** Concatenate two different preprocessor tokens (allowing macros to expand) */
#define PP_CAT(x,y) PP_CAT__(x,y)
#define PP_CAT__(x,y) x ## y
#define PP_CAT3(x,y,z) PP_CAT(PP_CAT(x,y),z)
#define PP_CAT4(x,y,z,w) PP_CAT(PP_CAT3(x,y,z),w)
#define PP_CAT5(x,y,z,w,j) PP_CAT(PP_CAT4(x,y,z,w),j)
-/*! String-ize a token (allowing macros to expand) */
+/** String-ize a token (allowing macros to expand) */
#define PP_STRINGIZE(x) PP_STRINGIZE__(x)
#define PP_STRINGIZE__(x) #x
/* MSVC doesn't support C99's __func__, but has a similar extension. */
#define __func__ __FUNCTION__
+ /* MSVC doesn't support C99's inline keyword */
+ #ifndef __cplusplus
+ #define INLINE __inline
+ #endif
+
#elif defined(__GNUC__)
/* Compiler features */
#define USED_FUNC __attribute__((__used__))
#define RESTRICT __restrict__
#define MUST_CHECK __attribute__((warn_unused_result))
+ #define PACKED __attribute__((packed))
+ /**
+ * Force compiler to realod context variable.
+ */
+ #define MEMORY_BARRIER asm volatile ("" : : : "memory")
+
#if GNUC_PREREQ(3,1)
#define DEPRECATED __attribute__((__deprecated__))
#endif
#pragma GCC poison cin cout cerr clog
#endif
+
+
#elif defined(__MWERKS__)
/* Compiler features */
/* Defaults for compiler extensions. */
-/*!
+/**
* \def COMPILER_VARIADIC_MACROS
* Support for macros with variable arguments.
*/
#define COMPILER_VARIADIC_MACROS (COMPILER_C99 != 0)
#endif
-/*!
+/**
* \def COMPILER_TYPEOF
* Support for dynamic type identification.
*/
#define COMPILER_TYPEOF 0
#endif
-/*!
+/**
* \def COMPILER_STATEMENT_EXPRESSIONS
* Support for statement expressions.
*/
#ifndef MUST_CHECK
#define MUST_CHECK /* nothing */
#endif
+#ifndef PACKED
+#define PACKED /* nothing */
+#endif
+#ifndef MEMORY_BARRIER
+#define MEMORY_BARRIER /* nothing */
+#warning No memory barrier defined for select compiler. If you use the kernel check it.
+#endif
+
/* Misc definitions */
#ifndef NULL
#define EOF (-1)
#endif
-
/* Support for hybrid C/C++ applications. */
#ifdef __cplusplus
#define EXTERN_C extern "C"
#define EXTERN_C_BEGIN extern "C" {
#define EXTERN_C_END }
- #define EXTERN_CONST extern const
+ #define EXTERN_CONST extern const
+ #define CONST_CAST(TYPE,EXPR) (const_cast<TYPE>(EXPR))
#else
#define EXTERN_C extern
#define EXTERN_C_BEGIN /* nothing */
#define EXTERN_C_END /* nothing */
- #define EXTERN_CONST const
+ #define EXTERN_CONST const
+ #define CONST_CAST(TYPE,EXPR) ((TYPE)(EXPR)) /* FIXME: How can we suppress the warning in C? */
#endif
#if defined(_MSC_VER) \
|| ((defined(__IAR_SYSTEMS_ICC) || defined(__IAR_SYSTEMS_ICC__)) && CPU_I196)
- /*!
+ /**
* \name ISO C99 fixed-size types
*
* These should be in <stdint.h>, but a few compilers lack them.
* The ATmega8 has a very small Flash, so we can't afford
* to link in support routines for 32bit integer arithmetic.
*/
- typedef int16_t ticks_t; /*!< Type for time expressed in ticks. */
- typedef int16_t mtime_t; /*!< Type for time expressed in milliseconds. */
- typedef int16_t utime_t; /*!< Type for time expressed in microseconds. */
+ typedef int16_t ticks_t; /**< Type for time expressed in ticks. */
+ typedef int16_t mtime_t; /**< Type for time expressed in milliseconds. */
+ typedef int16_t utime_t; /**< Type for time expressed in microseconds. */
#define SIZEOF_MTIME_T (16 / CPU_BITS_PER_CHAR)
#define SIZEOF_UTIME_T (16 / CPU_BITS_PER_CHAR)
#define MTIME_INFINITE 0x7FFFL
#else
- typedef int32_t ticks_t; /*!< Type for time expressed in ticks. */
- typedef int32_t mtime_t; /*!< Type for time expressed in milliseconds. */
- typedef int32_t utime_t; /*!< Type for time expressed in microseconds. */
- #define SIZEOF_MTIME_T (32 / CPU_BITS_PER_CHAR)
+ typedef int32_t ticks_t; /**< Type for time expressed in ticks. */
+
+ typedef int32_t utime_t; /**< Type for time expressed in microseconds. */
#define SIZEOF_UTIME_T (32 / CPU_BITS_PER_CHAR)
- #define MTIME_INFINITE 0x7FFFFFFFL
+
+ #ifndef DEVLIB_MTIME_DEFINED
+ #define DEVLIB_MTIME_DEFINED 1 /* Resolve conflict with <os/hptime.h> */
+ typedef int32_t mtime_t; /**< Type for time expressed in milliseconds. */
+ #define SIZEOF_MTIME_T (32 / CPU_BITS_PER_CHAR)
+ #define MTIME_INFINITE 0x7FFFFFFFL
+ #endif
#endif
-/*! Bulk storage large enough for both pointers or integers. */
+/** Bulk storage large enough for both pointers or integers. */
typedef void * iptr_t;
-/*! Bulk storage large enough for both pointers to constants or integers. */
+/** Bulk storage large enough for both pointers to constants or integers. */
typedef const void * const_iptr_t;
-typedef unsigned char sigbit_t; /*!< Type for signal bits. */
-typedef unsigned char sigmask_t; /*!< Type for signal masks. */
-typedef unsigned char page_t; /*!< Type for banked memory pages. */
+typedef unsigned char sigbit_t; /**< Type for signal bits. */
+typedef unsigned char sigmask_t; /**< Type for signal masks. */
+typedef unsigned char page_t; /**< Type for banked memory pages. */
-/*!
+/**
* \name Standard type definitions.
*
* These should be in <sys/types.h> or <stddef.h>, but many compilers
/*\}*/
-/*!
+/**
* \name Types for hardware registers.
*
* Only use these types for registers whose contents can
/* Quasi-ANSI macros */
#ifndef offsetof
- /*!
+ /**
* Return the byte offset of the member \a m in struct \a s.
*
* \note This macro should be defined in "stddef.h" and is sometimes
#define offsetof(s,m) (size_t)&(((s *)0)->m)
#endif
#ifndef countof
- /*!
+ /**
* Count the number of elements in the static array \a a.
*
* \note This macro is non-standard, but implements a very common idiom
( (type *)((char *)(ptr) - offsetof(type, member)) )
#endif
-/*! Issue a compilation error if the \a condition is false */
+/** Issue a compilation error if the \a condition is false */
#define STATIC_ASSERT(condition) \
UNUSED_VAR(extern char, STATIC_ASSERTION_FAILED__[(condition) ? 1 : -1])
#ifndef ASSERT_TYPE_EQUAL
-/*! Ensure two variables have the same type. */
-#define ASSERT_TYPE_EQUAL(var1, var2) \
- do { (void)(&(var1) == &(var2)); } while(0)
+ /** Ensure two variables have the same type. */
+ #define ASSERT_TYPE_EQUAL(var1, var2) \
+ do { (void)(&(var1) == &(var2)); } while(0)
#endif
#ifndef ASSERT_TYPE_IS
-/** Ensure variable is of specified type. */
-#define ASSERT_TYPE_IS(var, type) \
- do { (void)(&(var) == (type *)0); } while(0)
+ /** Ensure variable is of specified type. */
+ #define ASSERT_TYPE_IS(var, type) \
+ do { (void)(&(var) == (type *)0); } while(0)
#endif
-#endif /* DEVLIB_COMPILER_H */
+#endif /* BERTOS_COMPILER_H */
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