qp_port.h

00001 //////////////////////////////////////////////////////////////////////////////
00002 // Product: QP/C++ port to ARM Cortex, selectable Vanilla/QK, mbed compiler
00003 // Last Updated for Version: 4.5.02
00004 // Date of the Last Update:  Sep 04, 2012
00005 //
00006 //                    Q u a n t u m     L e a P s
00007 //                    ---------------------------
00008 //                    innovating embedded systems
00009 //
00010 // Copyright (C) 2002-2012 Quantum Leaps, LLC. All rights reserved.
00011 //
00012 // This program is open source software: you can redistribute it and/or
00013 // modify it under the terms of the GNU General Public License as published
00014 // by the Free Software Foundation, either version 2 of the License, or
00015 // (at your option) any later version.
00016 //
00017 // Alternatively, this program may be distributed and modified under the
00018 // terms of Quantum Leaps commercial licenses, which expressly supersede
00019 // the GNU General Public License and are specifically designed for
00020 // licensees interested in retaining the proprietary status of their code.
00021 //
00022 // This program is distributed in the hope that it will be useful,
00023 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00024 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
00025 // GNU General Public License for more details.
00026 //
00027 // You should have received a copy of the GNU General Public License
00028 // along with this program. If not, see <http://www.gnu.org/licenses/>.
00029 //
00030 // Contact information:
00031 // Quantum Leaps Web sites: http://www.quantum-leaps.com
00032 //                          http://www.state-machine.com
00033 // e-mail:                  info@quantum-leaps.com
00034 //////////////////////////////////////////////////////////////////////////////
00035 #ifndef qp_port_h
00036 #define qp_port_h
00037 
00038 #include "qp_config.h"    // QP configuration defined at the application level
00039 
00040 //............................................................................
00041 
00042                                                 // QF interrupt disable/enable
00043 #define QF_INT_DISABLE()            __disable_irq()
00044 #define QF_INT_ENABLE()             __enable_irq()
00045 
00046                                              // QF critical section entry/exit
00047 // QF_CRIT_STAT_TYPE not defined: "unconditional interrupt unlocking" policy
00048 #define QF_CRIT_ENTRY(dummy)        __disable_irq()
00049 #define QF_CRIT_EXIT(dummy)         __enable_irq()
00050 
00051 #ifdef QK_PREEMPTIVE
00052                                                 // QK interrupt entry and exit
00053     #define QK_ISR_ENTRY() do { \
00054         __disable_irq(); \
00055         ++QK_intNest_; \
00056         QF_QS_ISR_ENTRY(QK_intNest_, QK_currPrio_); \
00057         __enable_irq(); \
00058     } while (false)
00059 
00060     #define QK_ISR_EXIT()  do { \
00061         __disable_irq(); \
00062         QF_QS_ISR_EXIT(QK_intNest_, QK_currPrio_); \
00063         --QK_intNest_; \
00064           *Q_UINT2PTR_CAST(uint32_t, 0xE000ED04U) = \
00065               static_cast<uint32_t>(0x10000000U); \
00066           __enable_irq(); \
00067       } while (false)
00068 
00069 #else
00070     #define QK_ISR_ENTRY() ((void)0)
00071     #define QK_ISR_EXIT()  ((void)0)
00072 #endif
00073 
00074 #ifdef Q_SPY
00075     #define QS_TIME_SIZE        4
00076     #define QS_OBJ_PTR_SIZE     4
00077     #define QS_FUN_PTR_SIZE     4
00078 #endif
00079 
00080 #include <stdint.h>    // mbed compiler supports standard exact-width integers
00081 
00082 #include "qp.h"                           // QP platform-independent interface
00083 
00084 #endif                                                            // qp_port_h