qpcpp/ports/arm/qk/iar/qf_port.h

//////////////////////////////////////////////////////////////////////////////
// Product:  QF/C++, ARM7/ARM9, QK port, IAR compiler
// Last Updated for Version: 4.5.02
// Date of the Last Update:  Oct 08, 2012
//
//                    Q u a n t u m     L e a P s
//                    ---------------------------
//                    innovating embedded systems
//
// Copyright (C) 2002-2012 Quantum Leaps, LLC. All rights reserved.
//
// This program is open source 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.
//
// Alternatively, this program may be distributed and modified under the
// terms of Quantum Leaps commercial licenses, which expressly supersede
// the GNU General Public License and are specifically designed for
// licensees interested in retaining the proprietary status of their code.
//
// 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, see <http://www.gnu.org/licenses/>.
//
// Contact information:
// Quantum Leaps Web sites: http://www.quantum-leaps.com
//                          http://www.state-machine.com
// e-mail:                  info@quantum-leaps.com
//////////////////////////////////////////////////////////////////////////////
#ifndef qf_port_h
#define qf_port_h

        // The maximum number of active objects in the application, see NOTE01
#define QF_MAX_ACTIVE               32
                       // The maximum number of event pools in the application
#define QF_MAX_EPOOL                6

              // fast unconditional interrupt disabling/enabling for ARM state
#define QF_INT_DISABLE()           __asm("MSR cpsr_c,#(0x1F | 0x80 | 0x40)")
#define QF_INT_ENABLE()            __asm("MSR cpsr_c,#(0x1F)")

#if (__CPU_MODE__ == 1)                                         // THUMB mode?
                                             // QF interrupt locking/unlocking
    #define QF_CRIT_STAT_TYPE       unsigned long
    #define QF_CRIT_ENTRY(stat_)    ((stat_) = QF_int_lock_SYS())
    #define QF_CRIT_EXIT(stat_)     QF_int_unlock_SYS(stat_)

    extern "C" QF_CRIT_STAT_TYPE QF_int_lock_SYS(void);
    extern "C" void QF_int_unlock_SYS(QF_CRIT_STAT_TYPE stat);

#elif (__CPU_MODE__ == 2)                                         // ARM mode?

    #define QF_CRIT_STAT_TYPE         unsigned long
    #define QF_CRIT_ENTRY(stat_)      do { \
        (stat_) = __get_CPSR(); \
        QF_INT_DISABLE(); \
    } while (0)
    #define QF_CRIT_EXIT(stat_)       __set_CPSR(stat_)

    #include <intrinsics.h>                  // for  __get_CPSR()/__set_CPSR()

#else

    #error Incorrect __CPU_MODE__. Must be ARM or THUMB.

#endif

extern "C" {
    void QF_reset(void);
    void QF_undef(void);
    void QF_swi(void);
    void QF_pAbort(void);
    void QF_dAbort(void);
    void QF_reserved(void);
}

#include "qep_port.h"                                              // QEP port
#include "qk_port.h"                                                // QK port
#include "qf.h"                    // QF platform-independent public interface

//////////////////////////////////////////////////////////////////////////////
// NOTE01:
// The maximum number of active objects QF_MAX_ACTIVE can be increased
// up to 63, if necessary. Here it is set to a lower level to save some RAM.
//

#endif                                                            // qf_port_h