compiler.h

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/*
 *  CMSIS2000
 *  CMSIS-like sources for LPC2xxx series MCUs
 *
 *  (C) Copyright 2011-2012, Dmitriy Cherepanov, All Rights Reserved
 *
 *  Version: 0.0.7
 *  Date of the Last Update:  2013-03-04
 *  
 *  Permission is hereby granted, free of charge, to any person obtaining a copy
 *  of this software and associated documentation files (the "Software"), to
 *  deal in the Software without restriction, including without limitation the
 *  rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 *  sell copies of the Software, and to permit persons to whom the Software is
 *  furnished to do so, subject to the following conditions:
 *
 *  The above copyright notice and this permission notice shall be included in
 *  all copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 *  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 *  IN THE SOFTWARE.
 *
 *  Do not be lasy! For the latest version see http://irtos.sourceforge.net .
 *
 *  
#*/
/** \file
 *\if russian_lng
 *      Файл используется для определения компиляторных фишек
 *\else
 *      This file is used to define compiler specific things.
 *\endif
 *\date 2010
 */

#ifndef _COMPILLER_ARCH_H_
#define _COMPILLER_ARCH_H_ 1
/*----------------------------------------------------------------------------*/
#ifndef iSCHEDULER_TYPE
        #define iSCHEDULER_TYPE         -1
#endif
/*----------------------------------------------------------------------------*/
/*
 * For CrossWare compiller
 */
#ifdef _XCARM_VER
        #if (_XCARM_VER != 0)
                #define naked_func
                //#define __GNUC__ = 0
        #endif
#endif
/*----------------------------------------------------------------------------*/
/*
 * For GNU Compiller
 */

#ifdef __GNUC__
#if (__GNUC__ != 0)
//__attribute__((noreturn))
        #define naked_func __attribute__((noreturn))
        //__attribute__((naked)) or may be change to fiq

        #ifndef __THUMBEL__
                #define TH_MODE 0
        #else
                #define TH_MODE __THUMBEL__
        #endif
        #define ARM_MODE_MUL_CONST      (65536-65535*(TH_MODE != 0))

        #define portARM_SWI(SWI_NUMBER) asm volatile(                   \
                        "swi    %[swi_num]    @ syscall SWI_NUMBER"     \
                        :                                               \
                        :[swi_num] "I" (SWI_NUMBER))

#if (iSCHEDULER_TYPE == iPREEMPETIVE_SCHEDULER)
        #define irq_func_decl   naked_func      //must be RTOS prolog and epilor functions for irq
#else
        #define irq_func_decl    __attribute__ ((interrupt ("IRQ")))    //use common irq sheme
#endif
#endif
#endif
/*----------------------------------------------------------------------------*/
/*
 * FOR keil RVCT compiller
 */
#if defined(__CC_ARM) && defined(__arm__) && defined(__ARMCC_VERSION) && defined(__EDG_VERSION__)
        #define portARM_SWI(SWI_NUMBER) __asm {SVC (SWI_NUMBER);}
        #if defined(__thumb___)
                #define ARM_MODE_MUL_CONST      1
        #else
                #define ARM_MODE_MUL_CONST      65536
        #endif
        /** this const must be 65536 in arm mode and 1 in thumb mode*/
        //#define       ARM_MODE_MUL_CONST              ARM_MODE_MUL_CONST_##__thumb__
/* will decrease stack usage*/
        #define naked_func      // __declspec(noreturn)
#if (iSCHEDULER_TYPE == iPREEMPETIVE_SCHEDULER)
        #define irq_func_decl   naked_func      //must be RTOS prolog and epilor functions for irq
#else
        #define irq_func_decl   __irq   //use common irq sheme
#endif
        /* \todo attribute NAKED for KEIL*/
        #define irq_func        irq_func_decl // then using function itself
#endif

#ifndef irq_func
        #define irq_func
#endif
#endif  /* _COMPILLER_ARCH_H_ */