intmessage.hh revision 5651:7f0c8006c3d7 
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;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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#ifndef __ARCH_X86_INTMESSAGE_HH__
32#define __ARCH_X86_INTMESSAGE_HH__
33
34#include "arch/x86/x86_traits.hh"
35#include "base/bitunion.hh"
36#include "mem/packet.hh"
37#include "mem/request.hh"
38#include "sim/host.hh"
39
40namespace X86ISA
41{
42    BitUnion32(TriggerIntMessage)
43        Bitfield<7, 0> destination;
44        Bitfield<15, 8> vector;
45        Bitfield<18, 16> deliveryMode;
46        Bitfield<19> destMode;
47    EndBitUnion(TriggerIntMessage)
48
49    static const Addr TriggerIntOffset = 0;
50
51    static inline PacketPtr
52    prepIntRequest(const uint8_t id, Addr offset, Addr size)
53    {
54        RequestPtr req = new Request(x86InterruptAddress(id, offset),
55                                     size, UNCACHEABLE);
56        PacketPtr pkt = new Packet(req, MemCmd::MessageReq, Packet::Broadcast);
57        pkt->allocate();
58        return pkt;
59    }
60
61    template<class T>
62    PacketPtr
63    buildIntRequest(const uint8_t id, T payload, Addr offset, Addr size)
64    {
65        PacketPtr pkt = prepIntRequest(id, offset, size);
66        pkt->set<T>(payload);
67        return pkt;
68    }
69
70    static inline PacketPtr
71    buildIntRequest(const uint8_t id, TriggerIntMessage payload)
72    {
73        return buildIntRequest(id, payload, TriggerIntOffset,
74                sizeof(TriggerIntMessage));
75    }
76
77    static inline PacketPtr
78    buildIntResponse()
79    {
80        panic("buildIntResponse not implemented.\n");
81    }
82}
83
84#endif
85