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/*
* Copyright (c) 2008 The Regents of The University of Michigan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Gabe Black
*/
#ifndef __ARCH_X86_INTMESSAGE_HH__
#define __ARCH_X86_INTMESSAGE_HH__
#include "arch/x86/x86_traits.hh"
#include "base/bitunion.hh"
#include "base/types.hh"
#include "mem/packet.hh"
#include "mem/packet_access.hh"
#include "mem/request.hh"
namespace X86ISA
{
BitUnion32(TriggerIntMessage)
Bitfield<7, 0> destination;
Bitfield<15, 8> vector;
Bitfield<18, 16> deliveryMode;
Bitfield<19> destMode;
Bitfield<20> level;
Bitfield<21> trigger;
EndBitUnion(TriggerIntMessage)
namespace DeliveryMode
{
enum IntDeliveryMode {
Fixed = 0,
LowestPriority = 1,
SMI = 2,
NMI = 4,
INIT = 5,
SIPI = 6,
ExtInt = 7,
NumModes
};
static const char * const names[NumModes] = {
"Fixed", "LowestPriority", "SMI", "Reserved",
"NMI", "INIT", "Startup", "ExtInt"
};
static inline bool
isReserved(int mode)
{
return mode == 3;
}
}
static const Addr TriggerIntOffset = 0;
static inline PacketPtr
prepIntRequest(const uint8_t id, Addr offset, Addr size)
{
RequestPtr req = new Request(x86InterruptAddress(id, offset),
size, Request::UNCACHEABLE,
Request::intMasterId);
PacketPtr pkt = new Packet(req, MemCmd::MessageReq, Packet::Broadcast);
pkt->allocate();
return pkt;
}
template<class T>
PacketPtr
buildIntRequest(const uint8_t id, T payload, Addr offset, Addr size)
{
PacketPtr pkt = prepIntRequest(id, offset, size);
pkt->set<T>(payload);
return pkt;
}
static inline PacketPtr
buildIntRequest(const uint8_t id, TriggerIntMessage payload)
{
return buildIntRequest(id, payload, TriggerIntOffset,
sizeof(TriggerIntMessage));
}
static inline PacketPtr
buildIntResponse()
{
panic("buildIntResponse not implemented.\n");
}
}
#endif
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