qpcpp/ports/arm/vanilla/gnu/qf_port.h

96 lines
3.7 KiB
C
Raw Normal View History

2012-08-14 18:00:48 -04:00
//////////////////////////////////////////////////////////////////////////////
// Product: QF/C++ port to ARM7/ARM9
// Last Updated for Version: 4.4.00
// Date of the Last Update: Apr 19, 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
#define QF_MAX_ACTIVE 63
// 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 volatile ("MSR cpsr_c,#(0x1F | 0x80 | 0x40)" ::: "cc")
#define QF_INT_ENABLE() \
__asm volatile ("MSR cpsr_c,#(0x1F)" ::: "cc")
// QF critical section entry/exit
#ifdef __thumb__ // THUMB mode?
// QF interrupt locking/unlocking
#define QF_CRIT_STAT_TYPE unsigned int
#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 (defined __arm__) // ARM mode?
#define QF_CRIT_STAT_TYPE unsigned int
#define QF_CRIT_ENTRY(stat_) do { \
__asm volatile ("MRS %0,cpsr" : "=r" (stat_) :: "cc"); \
QF_INT_DISABLE(); \
} while (0)
#define QF_CRIT_EXIT(stat_) \
__asm volatile ("MSR cpsr_c,%0" :: "r" (stat_) : "cc")
#else
#error Incorrect CPU mode. Must be either __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);
void QF_irq(void);
void QF_fiq(void);
void BSP_irq(void);
void BSP_fiq(void);
}
#include "qep_port.h" // QEP port
#include "qvanilla.h" // "Vanilla" cooperative kernel
#include "qf.h" // QF platform-independent public interface
#endif // qf_port_h