1/* 2 * Copyright (c) 2008 The Regents of The University of Michigan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; --- 15 unchanged lines hidden (view full) --- 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * Authors: Gabe Black 29 */ 30 31#include "dev/x86/i8254.hh" |
32#include "dev/x86/intdev.hh" |
33#include "mem/packet.hh" 34#include "mem/packet_access.hh" 35 |
36void 37X86ISA::I8254::counterInterrupt(unsigned int num) 38{ 39 DPRINTF(I8254, "Interrupt from counter %d.\n", num); 40 if (num == 0) 41 intPin->signalInterrupt(); 42} 43 |
44Tick 45X86ISA::I8254::read(PacketPtr pkt) 46{ 47 assert(pkt->getSize() == 1); 48 Addr offset = pkt->getAddr() - pioAddr; 49 if (offset < 3) { 50 pkt->set(pit.readCounter(offset)); 51 } else if (offset == 3) { --- 27 unchanged lines hidden --- |