17584SAli.Saidi@arm.com/* 27584SAli.Saidi@arm.com * Copyright (c) 2010 ARM Limited 37584SAli.Saidi@arm.com * All rights reserved 47584SAli.Saidi@arm.com * 57584SAli.Saidi@arm.com * The license below extends only to copyright in the software and shall 67584SAli.Saidi@arm.com * not be construed as granting a license to any other intellectual 77584SAli.Saidi@arm.com * property including but not limited to intellectual property relating 87584SAli.Saidi@arm.com * to a hardware implementation of the functionality of the software 97584SAli.Saidi@arm.com * licensed hereunder. You may use the software subject to the license 107584SAli.Saidi@arm.com * terms below provided that you ensure that this notice is replicated 117584SAli.Saidi@arm.com * unmodified and in its entirety in all distributions of the software, 127584SAli.Saidi@arm.com * modified or unmodified, in source code or in binary form. 137584SAli.Saidi@arm.com * 147584SAli.Saidi@arm.com * Copyright (c) 2005 The Regents of The University of Michigan 157584SAli.Saidi@arm.com * All rights reserved. 167584SAli.Saidi@arm.com * 177584SAli.Saidi@arm.com * Redistribution and use in source and binary forms, with or without 187584SAli.Saidi@arm.com * modification, are permitted provided that the following conditions are 197584SAli.Saidi@arm.com * met: redistributions of source code must retain the above copyright 207584SAli.Saidi@arm.com * notice, this list of conditions and the following disclaimer; 217584SAli.Saidi@arm.com * redistributions in binary form must reproduce the above copyright 227584SAli.Saidi@arm.com * notice, this list of conditions and the following disclaimer in the 237584SAli.Saidi@arm.com * documentation and/or other materials provided with the distribution; 247584SAli.Saidi@arm.com * neither the name of the copyright holders nor the names of its 257584SAli.Saidi@arm.com * contributors may be used to endorse or promote products derived from 267584SAli.Saidi@arm.com * this software without specific prior written permission. 277584SAli.Saidi@arm.com * 287584SAli.Saidi@arm.com * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 297584SAli.Saidi@arm.com * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 307584SAli.Saidi@arm.com * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 317584SAli.Saidi@arm.com * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 327584SAli.Saidi@arm.com * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 337584SAli.Saidi@arm.com * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 347584SAli.Saidi@arm.com * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 357584SAli.Saidi@arm.com * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 367584SAli.Saidi@arm.com * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 377584SAli.Saidi@arm.com * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 387584SAli.Saidi@arm.com * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 397584SAli.Saidi@arm.com * 407584SAli.Saidi@arm.com * Authors: Ali Saidi 417584SAli.Saidi@arm.com */ 427584SAli.Saidi@arm.com 4311793Sbrandon.potter@amd.com#include "dev/arm/amba_fake.hh" 4411793Sbrandon.potter@amd.com 457584SAli.Saidi@arm.com#include "base/trace.hh" 468245Snate@binkert.org#include "debug/AMBA.hh" 477584SAli.Saidi@arm.com#include "mem/packet.hh" 487584SAli.Saidi@arm.com#include "mem/packet_access.hh" 497584SAli.Saidi@arm.com 507584SAli.Saidi@arm.comAmbaFake::AmbaFake(const Params *p) 5112772Snikos.nikoleris@arm.com : AmbaPioDevice(p, 0x1000) 527584SAli.Saidi@arm.com{ 537584SAli.Saidi@arm.com} 547584SAli.Saidi@arm.com 557584SAli.Saidi@arm.comTick 567584SAli.Saidi@arm.comAmbaFake::read(PacketPtr pkt) 577584SAli.Saidi@arm.com{ 587584SAli.Saidi@arm.com assert(pkt->getAddr() >= pioAddr && pkt->getAddr() < pioAddr + pioSize); 597584SAli.Saidi@arm.com 607584SAli.Saidi@arm.com Addr daddr = pkt->getAddr() - pioAddr; 617584SAli.Saidi@arm.com 627584SAli.Saidi@arm.com DPRINTF(AMBA, " read register %#x\n", daddr); 637584SAli.Saidi@arm.com 6413230Sgabeblack@google.com pkt->setLE<uint32_t>(0); 657587SAli.Saidi@arm.com if (!readId(pkt, ambaId, pioAddr) && !params()->ignore_access) 667584SAli.Saidi@arm.com panic("Tried to read AmbaFake at offset %#x that doesn't exist\n", daddr); 677584SAli.Saidi@arm.com 687584SAli.Saidi@arm.com pkt->makeAtomicResponse(); 697584SAli.Saidi@arm.com return pioDelay; 707584SAli.Saidi@arm.com} 717584SAli.Saidi@arm.com 727584SAli.Saidi@arm.comTick 737584SAli.Saidi@arm.comAmbaFake::write(PacketPtr pkt) 747584SAli.Saidi@arm.com{ 757584SAli.Saidi@arm.com 767584SAli.Saidi@arm.com Addr daddr = pkt->getAddr() - pioAddr; 777584SAli.Saidi@arm.com 787584SAli.Saidi@arm.com if (!params()->ignore_access) 797584SAli.Saidi@arm.com panic("Tried to write AmbaFake at offset %#x that doesn't exist\n", daddr); 807584SAli.Saidi@arm.com 817584SAli.Saidi@arm.com pkt->makeAtomicResponse(); 827584SAli.Saidi@arm.com return pioDelay; 837584SAli.Saidi@arm.com} 847584SAli.Saidi@arm.com 857584SAli.Saidi@arm.com 867584SAli.Saidi@arm.comAmbaFake * 877584SAli.Saidi@arm.comAmbaFakeParams::create() 887584SAli.Saidi@arm.com{ 897584SAli.Saidi@arm.com return new AmbaFake(this); 907584SAli.Saidi@arm.com} 91