se_translating_port_proxy.hh revision 14009
12400SN/A/* 28706Sandreas.hansson@arm.com * Copyright (c) 2011 ARM Limited 38706Sandreas.hansson@arm.com * All rights reserved 48706Sandreas.hansson@arm.com * 58706Sandreas.hansson@arm.com * The license below extends only to copyright in the software and shall 68706Sandreas.hansson@arm.com * not be construed as granting a license to any other intellectual 78706Sandreas.hansson@arm.com * property including but not limited to intellectual property relating 88706Sandreas.hansson@arm.com * to a hardware implementation of the functionality of the software 98706Sandreas.hansson@arm.com * licensed hereunder. You may use the software subject to the license 108706Sandreas.hansson@arm.com * terms below provided that you ensure that this notice is replicated 118706Sandreas.hansson@arm.com * unmodified and in its entirety in all distributions of the software, 128706Sandreas.hansson@arm.com * modified or unmodified, in source code or in binary form. 138706Sandreas.hansson@arm.com * 142400SN/A * Copyright (c) 2001-2005 The Regents of The University of Michigan 152400SN/A * All rights reserved. 162400SN/A * 172400SN/A * Redistribution and use in source and binary forms, with or without 182400SN/A * modification, are permitted provided that the following conditions are 192400SN/A * met: redistributions of source code must retain the above copyright 202400SN/A * notice, this list of conditions and the following disclaimer; 212400SN/A * redistributions in binary form must reproduce the above copyright 222400SN/A * notice, this list of conditions and the following disclaimer in the 232400SN/A * documentation and/or other materials provided with the distribution; 242400SN/A * neither the name of the copyright holders nor the names of its 252400SN/A * contributors may be used to endorse or promote products derived from 262400SN/A * this software without specific prior written permission. 272400SN/A * 282400SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 292400SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 302400SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 312400SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 322400SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 332400SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 342400SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 352400SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 362400SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 372400SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 382400SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 392665SN/A * 402665SN/A * Authors: Ron Dreslinski 412665SN/A * Ali Saidi 428706Sandreas.hansson@arm.com * Andreas Hansson 432400SN/A */ 442400SN/A 458706Sandreas.hansson@arm.com#ifndef __MEM_SE_TRANSLATING_PORT_PROXY_HH__ 468706Sandreas.hansson@arm.com#define __MEM_SE_TRANSLATING_PORT_PROXY_HH__ 472400SN/A 488706Sandreas.hansson@arm.com#include "mem/port_proxy.hh" 498852Sandreas.hansson@arm.com 5012448Sgabeblack@google.comclass EmulationPageTable; 518852Sandreas.hansson@arm.comclass Process; 522519SN/A 538706Sandreas.hansson@arm.com/** 548706Sandreas.hansson@arm.com * @file 558706Sandreas.hansson@arm.com * TranslatingPortProxy Object Declaration for SE. 568706Sandreas.hansson@arm.com * 578706Sandreas.hansson@arm.com * Port proxies are used when non structural entities need access to 588706Sandreas.hansson@arm.com * the memory system. Proxy objects replace the previous 598706Sandreas.hansson@arm.com * FunctionalPort, TranslatingPort and VirtualPort objects, which 608706Sandreas.hansson@arm.com * provided the same functionality as the proxies, but were instances 618706Sandreas.hansson@arm.com * of ports not corresponding to real structural ports of the 628706Sandreas.hansson@arm.com * simulated system. Via the port proxies all the accesses go through 638706Sandreas.hansson@arm.com * an actual port and thus are transparent to a potentially 648706Sandreas.hansson@arm.com * distributed memory and automatically adhere to the memory map of 658706Sandreas.hansson@arm.com * the system. 668706Sandreas.hansson@arm.com */ 678706Sandreas.hansson@arm.comclass SETranslatingPortProxy : public PortProxy 688706Sandreas.hansson@arm.com{ 692400SN/A 704434SN/A public: 714434SN/A enum AllocType { 724434SN/A Always, 734434SN/A Never, 744434SN/A NextPage 754434SN/A }; 764434SN/A 772400SN/A private: 7812448Sgabeblack@google.com EmulationPageTable *pTable; 794434SN/A Process *process; 804434SN/A AllocType allocating; 812400SN/A 822400SN/A public: 838922Swilliam.wang@arm.com SETranslatingPortProxy(MasterPort& port, Process* p, AllocType alloc); 8414008Sgabeblack@google.com ~SETranslatingPortProxy() {} 852400SN/A 8612448Sgabeblack@google.com void setPageTable(EmulationPageTable *p) { pTable = p; } 8711886Sbrandon.potter@amd.com void setProcess(Process *p) { process = p; } 8814009Sgabeblack@google.com bool tryReadBlob(Addr addr, void *p, int size) const override; 8914009Sgabeblack@google.com bool tryWriteBlob(Addr addr, const void *p, int size) const override; 9014008Sgabeblack@google.com bool tryMemsetBlob(Addr addr, uint8_t val, int size) const override; 912400SN/A}; 922400SN/A 938706Sandreas.hansson@arm.com#endif // __MEM_SE_TRANSLATING_PORT_PROXY_HH__ 94