fs_translating_port_proxy.cc revision 4070
16657Snate@binkert.org/* 26657Snate@binkert.org * Copyright (c) 2006 The Regents of The University of Michigan 36657Snate@binkert.org * All rights reserved. 46657Snate@binkert.org * 56657Snate@binkert.org * Redistribution and use in source and binary forms, with or without 66657Snate@binkert.org * modification, are permitted provided that the following conditions are 76657Snate@binkert.org * met: redistributions of source code must retain the above copyright 86657Snate@binkert.org * notice, this list of conditions and the following disclaimer; 96657Snate@binkert.org * redistributions in binary form must reproduce the above copyright 106657Snate@binkert.org * notice, this list of conditions and the following disclaimer in the 116657Snate@binkert.org * documentation and/or other materials provided with the distribution; 126657Snate@binkert.org * neither the name of the copyright holders nor the names of its 136657Snate@binkert.org * contributors may be used to endorse or promote products derived from 146657Snate@binkert.org * this software without specific prior written permission. 156657Snate@binkert.org * 166657Snate@binkert.org * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 176657Snate@binkert.org * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 186657Snate@binkert.org * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 196657Snate@binkert.org * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 206657Snate@binkert.org * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 216657Snate@binkert.org * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 226657Snate@binkert.org * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 236657Snate@binkert.org * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 246657Snate@binkert.org * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 256657Snate@binkert.org * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 266657Snate@binkert.org * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 276657Snate@binkert.org * 286999Snate@binkert.org * Authors: Ali Saidi 296657Snate@binkert.org */ 306657Snate@binkert.org 316657Snate@binkert.org/** 326657Snate@binkert.org * @file 336657Snate@binkert.org * Port object definitions. 346657Snate@binkert.org */ 356657Snate@binkert.org 366657Snate@binkert.org#include "base/chunk_generator.hh" 376657Snate@binkert.org#include "cpu/thread_context.hh" 386657Snate@binkert.org#include "mem/vport.hh" 396657Snate@binkert.org 406657Snate@binkert.orgvoid 416657Snate@binkert.orgVirtualPort::readBlob(Addr addr, uint8_t *p, int size) 426657Snate@binkert.org{ 436657Snate@binkert.org Addr paddr; 446657Snate@binkert.org for (ChunkGenerator gen(addr, size, TheISA::PageBytes); !gen.done(); 456657Snate@binkert.org gen.next()) 466657Snate@binkert.org { 476657Snate@binkert.org if (tc) 486657Snate@binkert.org paddr = TheISA::vtophys(tc,gen.addr()); 496657Snate@binkert.org else 506657Snate@binkert.org paddr = TheISA::vtophys(gen.addr()); 516657Snate@binkert.org 526657Snate@binkert.org FunctionalPort::readBlob(paddr, p, gen.size()); 536657Snate@binkert.org p += gen.size(); 546882SBrad.Beckmann@amd.com } 556657Snate@binkert.org} 566657Snate@binkert.org 576657Snate@binkert.orgvoid 586657Snate@binkert.orgVirtualPort::writeBlob(Addr addr, uint8_t *p, int size) 596657Snate@binkert.org{ 606657Snate@binkert.org Addr paddr; 616657Snate@binkert.org for (ChunkGenerator gen(addr, size, TheISA::PageBytes); !gen.done(); 626657Snate@binkert.org gen.next()) 636657Snate@binkert.org { 646657Snate@binkert.org if (tc) 656657Snate@binkert.org paddr = TheISA::vtophys(tc,gen.addr()); 666657Snate@binkert.org else 676657Snate@binkert.org paddr = TheISA::vtophys(gen.addr()); 686657Snate@binkert.org 696657Snate@binkert.org FunctionalPort::writeBlob(paddr, p, gen.size()); 706657Snate@binkert.org p += gen.size(); 716657Snate@binkert.org } 726657Snate@binkert.org} 736657Snate@binkert.org 746657Snate@binkert.orgvoid 756657Snate@binkert.orgCopyOut(ThreadContext *tc, void *dest, Addr src, size_t cplen) 766657Snate@binkert.org{ 776657Snate@binkert.org uint8_t *dst = (uint8_t *)dest; 786657Snate@binkert.org VirtualPort *vp = tc->getVirtPort(tc); 796657Snate@binkert.org 806657Snate@binkert.org vp->readBlob(src, dst, cplen); 816657Snate@binkert.org 826657Snate@binkert.org tc->delVirtPort(vp); 836657Snate@binkert.org 846657Snate@binkert.org} 856657Snate@binkert.org 866657Snate@binkert.orgvoid 876657Snate@binkert.orgCopyIn(ThreadContext *tc, Addr dest, void *source, size_t cplen) 886657Snate@binkert.org{ 896657Snate@binkert.org uint8_t *src = (uint8_t *)source; 906657Snate@binkert.org VirtualPort *vp = tc->getVirtPort(tc); 916657Snate@binkert.org 926657Snate@binkert.org vp->writeBlob(dest, src, cplen); 936657Snate@binkert.org 946657Snate@binkert.org tc->delVirtPort(vp); 956657Snate@binkert.org} 966657Snate@binkert.org 976657Snate@binkert.orgvoid 986657Snate@binkert.orgCopyStringOut(ThreadContext *tc, char *dst, Addr vaddr, size_t maxlen) 996657Snate@binkert.org{ 1006657Snate@binkert.org int len = 0; 1016657Snate@binkert.org char *start = dst; 1026657Snate@binkert.org VirtualPort *vp = tc->getVirtPort(tc); 1038086SBrad.Beckmann@amd.com 1048086SBrad.Beckmann@amd.com do { 1058086SBrad.Beckmann@amd.com vp->readBlob(vaddr++, (uint8_t*)dst++, 1); 1066657Snate@binkert.org } while (len < maxlen && start[len++] != 0 ); 1076657Snate@binkert.org 1086657Snate@binkert.org tc->delVirtPort(vp); 1096657Snate@binkert.org dst[len] = 0; 1106657Snate@binkert.org} 1116657Snate@binkert.org 1126657Snate@binkert.orgvoid 1136657Snate@binkert.orgCopyStringIn(ThreadContext *tc, char *src, Addr vaddr) 1146657Snate@binkert.org{ 1156657Snate@binkert.org VirtualPort *vp = tc->getVirtPort(tc); 1166657Snate@binkert.org for (ChunkGenerator gen(vaddr, strlen(src), TheISA::PageBytes); !gen.done(); 1176657Snate@binkert.org gen.next()) 1186657Snate@binkert.org { 1196657Snate@binkert.org vp->writeBlob(gen.addr(), (uint8_t*)src, gen.size()); 1206657Snate@binkert.org src += gen.size(); 1216657Snate@binkert.org } 1226657Snate@binkert.org tc->delVirtPort(vp); 1236657Snate@binkert.org} 1246657Snate@binkert.org