qk_port.cpp

Quantum Platform(QP) is a family of very lightweight, state machine-based frameworks for embedded sy

//////////////////////////////////////////////////////////////////////////////
// Product: QK/C++ 3.0 port to x86, DOS, Turbo C++ 1.01, Large model
// Last Updated for Version: 3.2.05
// Date of the Last Update:  Jan 20, 2007
//
//                    Q u a n t u m     L e a P s
//                    ---------------------------
//                    innovating embedded systems
//
// Copyright (C) 2002-2007 Quantum Leaps, LLC. All rights reserved.
//
// This software may be distributed and modified under the terms of the GNU
// General Public License version 2 (GPL) as published by the Free Software
// Foundation and appearing in the file GPL.TXT included in the packaging of
// this file. Please note that GPL Section 2[b] requires that all works based
// on this software must also be made publicly available under the terms of
// the GPL ("Copyleft").
//
// Alternatively, this software may be distributed and modified under the
// terms of Quantum Leaps commercial licenses, which expressly supersede
// the GPL and are specifically designed for licensees interested in
// retaining the proprietary status of their code.
//
// Contact information:
// Quantum Leaps Web site:  http://www.quantum-leaps.com
// e-mail:                  [e-mail]
//////////////////////////////////////////////////////////////////////////////
#include "qk_pkg.h"

//............................................................................
//lint -e970 -e971               ignore MISRA rules 13 and 14 in this function
char const *QK::getPortVersion(void) {
    return "1.2.05";
}
//............................................................................
void QK_isrExit_(uint8_t pin) {
    disable();
    outportb(0x20, 0x20);              // send EOI to the interrupt controller
    QF_QS_ISR_EXIT(QK_currPrio_);
    QK_currPrio_ = pin;
    if (pin <= QF_MAX_ACTIVE) {                 // is it preemption of a task?
        if ((QF::active_[pin]->osObject_ & QK_FPU_THREAD) != 0) { // FPU used?
            QK_scheduleExt_();     // perform FPU context switch, if necessary
        }
        else {
            QK_schedule_();                 // no FPU context switch necessary
        }
    }
}