request.hh revision 9332
12381SN/A/* 29332Sdam.sunwoo@arm.com * Copyright (c) 2012 ARM Limited 39332Sdam.sunwoo@arm.com * All rights reserved 49332Sdam.sunwoo@arm.com * 59332Sdam.sunwoo@arm.com * The license below extends only to copyright in the software and shall 69332Sdam.sunwoo@arm.com * not be construed as granting a license to any other intellectual 79332Sdam.sunwoo@arm.com * property including but not limited to intellectual property relating 89332Sdam.sunwoo@arm.com * to a hardware implementation of the functionality of the software 99332Sdam.sunwoo@arm.com * licensed hereunder. You may use the software subject to the license 109332Sdam.sunwoo@arm.com * terms below provided that you ensure that this notice is replicated 119332Sdam.sunwoo@arm.com * unmodified and in its entirety in all distributions of the software, 129332Sdam.sunwoo@arm.com * modified or unmodified, in source code or in binary form. 139332Sdam.sunwoo@arm.com * 142381SN/A * Copyright (c) 2002-2005 The Regents of The University of Michigan 152381SN/A * All rights reserved. 162381SN/A * 172381SN/A * Redistribution and use in source and binary forms, with or without 182381SN/A * modification, are permitted provided that the following conditions are 192381SN/A * met: redistributions of source code must retain the above copyright 202381SN/A * notice, this list of conditions and the following disclaimer; 212381SN/A * redistributions in binary form must reproduce the above copyright 222381SN/A * notice, this list of conditions and the following disclaimer in the 232381SN/A * documentation and/or other materials provided with the distribution; 242381SN/A * neither the name of the copyright holders nor the names of its 252381SN/A * contributors may be used to endorse or promote products derived from 262381SN/A * this software without specific prior written permission. 272381SN/A * 282381SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 292381SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 302381SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 312381SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 322381SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 332381SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 342381SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 352381SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 362381SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 372381SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 382381SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 392665Ssaidi@eecs.umich.edu * 402665Ssaidi@eecs.umich.edu * Authors: Ron Dreslinski 412665Ssaidi@eecs.umich.edu * Steve Reinhardt 422665Ssaidi@eecs.umich.edu * Ali Saidi 432381SN/A */ 442381SN/A 452381SN/A/** 462982Sstever@eecs.umich.edu * @file 472982Sstever@eecs.umich.edu * Declaration of a request, the overall memory request consisting of 482381SN/A the parts of the request that are persistent throughout the transaction. 492381SN/A */ 502381SN/A 512381SN/A#ifndef __MEM_REQUEST_HH__ 522381SN/A#define __MEM_REQUEST_HH__ 532381SN/A 545735Snate@binkert.org#include <cassert> 558833Sdam.sunwoo@arm.com#include <climits> 565735Snate@binkert.org 575735Snate@binkert.org#include "base/flags.hh" 585744Sgblack@eecs.umich.edu#include "base/misc.hh" 596214Snate@binkert.org#include "base/types.hh" 604167Sbinkertn@umich.edu#include "sim/core.hh" 612394SN/A 629332Sdam.sunwoo@arm.com/** 639332Sdam.sunwoo@arm.com * Special TaskIds that are used for per-context-switch stats dumps 649332Sdam.sunwoo@arm.com * and Cache Occupancy. Having too many tasks seems to be a problem 659332Sdam.sunwoo@arm.com * with vector stats. 1024 seems to be a reasonable number that 669332Sdam.sunwoo@arm.com * doesn't cause a problem with stats and is large enough to realistic 679332Sdam.sunwoo@arm.com * benchmarks (Linux/Android boot, BBench, etc.) 689332Sdam.sunwoo@arm.com */ 699332Sdam.sunwoo@arm.com 709332Sdam.sunwoo@arm.comnamespace ContextSwitchTaskId { 719332Sdam.sunwoo@arm.com enum TaskId { 729332Sdam.sunwoo@arm.com MaxNormalTaskId = 1021, /* Maximum number of normal tasks */ 739332Sdam.sunwoo@arm.com Prefetcher = 1022, /* For cache lines brought in by prefetcher */ 749332Sdam.sunwoo@arm.com DMA = 1023, /* Mostly Table Walker */ 759332Sdam.sunwoo@arm.com Unknown = 1024, 769332Sdam.sunwoo@arm.com NumTaskId 779332Sdam.sunwoo@arm.com }; 789332Sdam.sunwoo@arm.com} 799332Sdam.sunwoo@arm.com 802394SN/Aclass Request; 812394SN/A 822394SN/Atypedef Request* RequestPtr; 838832SAli.Saidi@ARM.comtypedef uint16_t MasterID; 842394SN/A 859044SAli.Saidi@ARM.comclass Request 862381SN/A{ 875735Snate@binkert.org public: 885735Snate@binkert.org typedef uint32_t FlagsType; 895735Snate@binkert.org typedef ::Flags<FlagsType> Flags; 905735Snate@binkert.org 915735Snate@binkert.org /** ASI information for this request if it exists. */ 925735Snate@binkert.org static const FlagsType ASI_BITS = 0x000000FF; 936133Ssteve.reinhardt@amd.com /** The request was an instruction fetch. */ 946133Ssteve.reinhardt@amd.com static const FlagsType INST_FETCH = 0x00000100; 955735Snate@binkert.org /** The virtual address is also the physical address. */ 965735Snate@binkert.org static const FlagsType PHYSICAL = 0x00000200; 975735Snate@binkert.org /** The request is an ALPHA VPTE pal access (hw_ld). */ 985735Snate@binkert.org static const FlagsType VPTE = 0x00000400; 995735Snate@binkert.org /** Use the alternate mode bits in ALPHA. */ 1005735Snate@binkert.org static const FlagsType ALTMODE = 0x00000800; 1015735Snate@binkert.org /** The request is to an uncacheable address. */ 1025735Snate@binkert.org static const FlagsType UNCACHEABLE = 0x00001000; 1036133Ssteve.reinhardt@amd.com /** This request is to a memory mapped register. */ 1048105Sgblack@eecs.umich.edu static const FlagsType MMAPPED_IPR = 0x00002000; 1057612SGene.Wu@arm.com /** This request is a clear exclusive. */ 1067705Sgblack@eecs.umich.edu static const FlagsType CLEAR_LL = 0x00004000; 1076133Ssteve.reinhardt@amd.com 1085890Sgblack@eecs.umich.edu /** The request should not cause a memory access. */ 1096133Ssteve.reinhardt@amd.com static const FlagsType NO_ACCESS = 0x00080000; 1106103Sgblack@eecs.umich.edu /** This request will lock or unlock the accessed memory. When used with 1116103Sgblack@eecs.umich.edu * a load, the access locks the particular chunk of memory. When used 1126103Sgblack@eecs.umich.edu * with a store, it unlocks. The rule is that locked accesses have to be 1136103Sgblack@eecs.umich.edu * made up of a locked load, some operation on the data, and then a locked 1146103Sgblack@eecs.umich.edu * store. 1156103Sgblack@eecs.umich.edu */ 1166133Ssteve.reinhardt@amd.com static const FlagsType LOCKED = 0x00100000; 1176133Ssteve.reinhardt@amd.com /** The request is a Load locked/store conditional. */ 1186133Ssteve.reinhardt@amd.com static const FlagsType LLSC = 0x00200000; 1195735Snate@binkert.org /** This request is for a memory swap. */ 1206133Ssteve.reinhardt@amd.com static const FlagsType MEM_SWAP = 0x00400000; 1216133Ssteve.reinhardt@amd.com static const FlagsType MEM_SWAP_COND = 0x00800000; 1226133Ssteve.reinhardt@amd.com 1236106Ssteve.reinhardt@amd.com /** The request is a prefetch. */ 1246106Ssteve.reinhardt@amd.com static const FlagsType PREFETCH = 0x01000000; 1256133Ssteve.reinhardt@amd.com /** The request should be prefetched into the exclusive state. */ 1266133Ssteve.reinhardt@amd.com static const FlagsType PF_EXCLUSIVE = 0x02000000; 1276133Ssteve.reinhardt@amd.com /** The request should be marked as LRU. */ 1286133Ssteve.reinhardt@amd.com static const FlagsType EVICT_NEXT = 0x04000000; 1295735Snate@binkert.org 1306104Ssteve.reinhardt@amd.com /** These flags are *not* cleared when a Request object is reused 1316104Ssteve.reinhardt@amd.com (assigned a new address). */ 1326105Ssteve.reinhardt@amd.com static const FlagsType STICKY_FLAGS = INST_FETCH; 1336104Ssteve.reinhardt@amd.com 1348832SAli.Saidi@ARM.com /** Request Ids that are statically allocated 1358832SAli.Saidi@ARM.com * @{*/ 1368832SAli.Saidi@ARM.com /** This request id is used for writeback requests by the caches */ 1378832SAli.Saidi@ARM.com static const MasterID wbMasterId = 0; 1388832SAli.Saidi@ARM.com /** This request id is used for functional requests that don't come from a 1398832SAli.Saidi@ARM.com * particular device 1408832SAli.Saidi@ARM.com */ 1418832SAli.Saidi@ARM.com static const MasterID funcMasterId = 1; 1428832SAli.Saidi@ARM.com /** This request id is used for message signaled interrupts */ 1438832SAli.Saidi@ARM.com static const MasterID intMasterId = 2; 1448833Sdam.sunwoo@arm.com /** Invalid request id for assertion checking only. It is invalid behavior 1458833Sdam.sunwoo@arm.com * to ever send this id as part of a request. 1468833Sdam.sunwoo@arm.com * @todo C++1x replace with numeric_limits when constexpr is added */ 1478833Sdam.sunwoo@arm.com static const MasterID invldMasterId = USHRT_MAX; 1488832SAli.Saidi@ARM.com /** @} */ 1498832SAli.Saidi@ARM.com 1509332Sdam.sunwoo@arm.com /** Invalid or unknown Pid. Possible when operating system is not present 1519332Sdam.sunwoo@arm.com * or has not assigned a pid yet */ 1529332Sdam.sunwoo@arm.com static const uint32_t invldPid = UINT_MAX; 1539332Sdam.sunwoo@arm.com 1545735Snate@binkert.org private: 1556104Ssteve.reinhardt@amd.com typedef uint8_t PrivateFlagsType; 1566104Ssteve.reinhardt@amd.com typedef ::Flags<PrivateFlagsType> PrivateFlags; 1575735Snate@binkert.org 1585735Snate@binkert.org /** Whether or not the size is valid. */ 1596104Ssteve.reinhardt@amd.com static const PrivateFlagsType VALID_SIZE = 0x00000001; 1605735Snate@binkert.org /** Whether or not paddr is valid (has been written yet). */ 1616104Ssteve.reinhardt@amd.com static const PrivateFlagsType VALID_PADDR = 0x00000002; 1625735Snate@binkert.org /** Whether or not the vaddr & asid are valid. */ 1636104Ssteve.reinhardt@amd.com static const PrivateFlagsType VALID_VADDR = 0x00000004; 1645735Snate@binkert.org /** Whether or not the pc is valid. */ 1656104Ssteve.reinhardt@amd.com static const PrivateFlagsType VALID_PC = 0x00000010; 1665735Snate@binkert.org /** Whether or not the context ID is valid. */ 1676104Ssteve.reinhardt@amd.com static const PrivateFlagsType VALID_CONTEXT_ID = 0x00000020; 1686104Ssteve.reinhardt@amd.com static const PrivateFlagsType VALID_THREAD_ID = 0x00000040; 1695735Snate@binkert.org /** Whether or not the sc result is valid. */ 1706104Ssteve.reinhardt@amd.com static const PrivateFlagsType VALID_EXTRA_DATA = 0x00000080; 1716104Ssteve.reinhardt@amd.com 1726104Ssteve.reinhardt@amd.com /** These flags are *not* cleared when a Request object is reused 1736104Ssteve.reinhardt@amd.com (assigned a new address). */ 1746104Ssteve.reinhardt@amd.com static const PrivateFlagsType STICKY_PRIVATE_FLAGS = 1756104Ssteve.reinhardt@amd.com VALID_CONTEXT_ID | VALID_THREAD_ID; 1765735Snate@binkert.org 1772663Sstever@eecs.umich.edu private: 1782663Sstever@eecs.umich.edu /** 1792663Sstever@eecs.umich.edu * The physical address of the request. Valid only if validPaddr 1805735Snate@binkert.org * is set. 1815735Snate@binkert.org */ 1826427Ssteve.reinhardt@amd.com Addr _paddr; 1832532SN/A 1842663Sstever@eecs.umich.edu /** 1852663Sstever@eecs.umich.edu * The size of the request. This field must be set when vaddr or 1862663Sstever@eecs.umich.edu * paddr is written via setVirt() or setPhys(), so it is always 1875735Snate@binkert.org * valid as long as one of the address fields is valid. 1885735Snate@binkert.org */ 1896427Ssteve.reinhardt@amd.com int _size; 1902395SN/A 1918832SAli.Saidi@ARM.com /** The requestor ID which is unique in the system for all ports 1928832SAli.Saidi@ARM.com * that are capable of issuing a transaction 1938832SAli.Saidi@ARM.com */ 1948832SAli.Saidi@ARM.com MasterID _masterId; 1958832SAli.Saidi@ARM.com 1962532SN/A /** Flag structure for the request. */ 1976427Ssteve.reinhardt@amd.com Flags _flags; 1982384SN/A 1996104Ssteve.reinhardt@amd.com /** Private flags for field validity checking. */ 2006104Ssteve.reinhardt@amd.com PrivateFlags privateFlags; 2016104Ssteve.reinhardt@amd.com 2022663Sstever@eecs.umich.edu /** 2032663Sstever@eecs.umich.edu * The time this request was started. Used to calculate 2047823Ssteve.reinhardt@amd.com * latencies. This field is set to curTick() any time paddr or vaddr 2055735Snate@binkert.org * is written. 2065735Snate@binkert.org */ 2076223Snate@binkert.org Tick _time; 2082384SN/A 2092384SN/A /** The address space ID. */ 2106427Ssteve.reinhardt@amd.com int _asid; 2113806Ssaidi@eecs.umich.edu 2122663Sstever@eecs.umich.edu /** The virtual address of the request. */ 2136427Ssteve.reinhardt@amd.com Addr _vaddr; 2142384SN/A 2155735Snate@binkert.org /** 2165735Snate@binkert.org * Extra data for the request, such as the return value of 2174040Ssaidi@eecs.umich.edu * store conditional or the compare value for a CAS. */ 2186427Ssteve.reinhardt@amd.com uint64_t _extraData; 2192384SN/A 2205714Shsul@eecs.umich.edu /** The context ID (for statistics, typically). */ 2215714Shsul@eecs.umich.edu int _contextId; 2225714Shsul@eecs.umich.edu /** The thread ID (id within this CPU) */ 2235714Shsul@eecs.umich.edu int _threadId; 2242384SN/A 2252381SN/A /** program counter of initiating access; for tracing/debugging */ 2266427Ssteve.reinhardt@amd.com Addr _pc; 2272663Sstever@eecs.umich.edu 2282532SN/A public: 2296427Ssteve.reinhardt@amd.com /** Minimal constructor. No fields are initialized. 2306427Ssteve.reinhardt@amd.com * (Note that _flags and privateFlags are cleared by Flags 2316427Ssteve.reinhardt@amd.com * default constructor.) 2326427Ssteve.reinhardt@amd.com */ 2332663Sstever@eecs.umich.edu Request() 2342663Sstever@eecs.umich.edu {} 2352532SN/A 2362663Sstever@eecs.umich.edu /** 2372663Sstever@eecs.umich.edu * Constructor for physical (e.g. device) requests. Initializes 2387823Ssteve.reinhardt@amd.com * just physical address, size, flags, and timestamp (to curTick()). 2395735Snate@binkert.org * These fields are adequate to perform a request. 2405735Snate@binkert.org */ 2418832SAli.Saidi@ARM.com Request(Addr paddr, int size, Flags flags, MasterID mid) 2425735Snate@binkert.org { 2438832SAli.Saidi@ARM.com setPhys(paddr, size, flags, mid); 2445735Snate@binkert.org } 2452532SN/A 2468832SAli.Saidi@ARM.com Request(Addr paddr, int size, Flags flags, MasterID mid, Tick time) 2476223Snate@binkert.org { 2488832SAli.Saidi@ARM.com setPhys(paddr, size, flags, mid, time); 2496223Snate@binkert.org } 2506223Snate@binkert.org 2518832SAli.Saidi@ARM.com Request(Addr paddr, int size, Flags flags, MasterID mid, Tick time, Addr pc) 2526899SBrad.Beckmann@amd.com { 2538832SAli.Saidi@ARM.com setPhys(paddr, size, flags, mid, time); 2546899SBrad.Beckmann@amd.com privateFlags.set(VALID_PC); 2556899SBrad.Beckmann@amd.com _pc = pc; 2566899SBrad.Beckmann@amd.com } 2576899SBrad.Beckmann@amd.com 2588832SAli.Saidi@ARM.com Request(int asid, Addr vaddr, int size, Flags flags, MasterID mid, Addr pc, 2596221Snate@binkert.org int cid, ThreadID tid) 2602669Sktlim@umich.edu { 2618832SAli.Saidi@ARM.com setVirt(asid, vaddr, size, flags, mid, pc); 2625735Snate@binkert.org setThreadContext(cid, tid); 2632669Sktlim@umich.edu } 2642669Sktlim@umich.edu 2659044SAli.Saidi@ARM.com ~Request() {} 2664610Ssaidi@eecs.umich.edu 2672663Sstever@eecs.umich.edu /** 2685735Snate@binkert.org * Set up CPU and thread numbers. 2695735Snate@binkert.org */ 2705735Snate@binkert.org void 2716221Snate@binkert.org setThreadContext(int context_id, ThreadID tid) 2722663Sstever@eecs.umich.edu { 2735735Snate@binkert.org _contextId = context_id; 2746221Snate@binkert.org _threadId = tid; 2756104Ssteve.reinhardt@amd.com privateFlags.set(VALID_CONTEXT_ID|VALID_THREAD_ID); 2762663Sstever@eecs.umich.edu } 2772532SN/A 2782663Sstever@eecs.umich.edu /** 2792663Sstever@eecs.umich.edu * Set up a physical (e.g. device) request in a previously 2805735Snate@binkert.org * allocated Request object. 2815735Snate@binkert.org */ 2825735Snate@binkert.org void 2838832SAli.Saidi@ARM.com setPhys(Addr paddr, int size, Flags flags, MasterID mid, Tick time) 2842663Sstever@eecs.umich.edu { 2856427Ssteve.reinhardt@amd.com assert(size >= 0); 2866427Ssteve.reinhardt@amd.com _paddr = paddr; 2876427Ssteve.reinhardt@amd.com _size = size; 2886223Snate@binkert.org _time = time; 2898832SAli.Saidi@ARM.com _masterId = mid; 2906427Ssteve.reinhardt@amd.com _flags.clear(~STICKY_FLAGS); 2916427Ssteve.reinhardt@amd.com _flags.set(flags); 2926104Ssteve.reinhardt@amd.com privateFlags.clear(~STICKY_PRIVATE_FLAGS); 2936104Ssteve.reinhardt@amd.com privateFlags.set(VALID_PADDR|VALID_SIZE); 2942663Sstever@eecs.umich.edu } 2952532SN/A 2966223Snate@binkert.org void 2978832SAli.Saidi@ARM.com setPhys(Addr paddr, int size, Flags flags, MasterID mid) 2986223Snate@binkert.org { 2998832SAli.Saidi@ARM.com setPhys(paddr, size, flags, mid, curTick()); 3006223Snate@binkert.org } 3016223Snate@binkert.org 3022663Sstever@eecs.umich.edu /** 3032663Sstever@eecs.umich.edu * Set up a virtual (e.g., CPU) request in a previously 3045735Snate@binkert.org * allocated Request object. 3055735Snate@binkert.org */ 3065735Snate@binkert.org void 3078832SAli.Saidi@ARM.com setVirt(int asid, Addr vaddr, int size, Flags flags, MasterID mid, Addr pc) 3082663Sstever@eecs.umich.edu { 3096427Ssteve.reinhardt@amd.com assert(size >= 0); 3106427Ssteve.reinhardt@amd.com _asid = asid; 3116427Ssteve.reinhardt@amd.com _vaddr = vaddr; 3126427Ssteve.reinhardt@amd.com _size = size; 3138832SAli.Saidi@ARM.com _masterId = mid; 3146427Ssteve.reinhardt@amd.com _pc = pc; 3157823Ssteve.reinhardt@amd.com _time = curTick(); 3165735Snate@binkert.org 3176427Ssteve.reinhardt@amd.com _flags.clear(~STICKY_FLAGS); 3186427Ssteve.reinhardt@amd.com _flags.set(flags); 3196104Ssteve.reinhardt@amd.com privateFlags.clear(~STICKY_PRIVATE_FLAGS); 3206104Ssteve.reinhardt@amd.com privateFlags.set(VALID_VADDR|VALID_SIZE|VALID_PC); 3212663Sstever@eecs.umich.edu } 3222532SN/A 3235735Snate@binkert.org /** 3245735Snate@binkert.org * Set just the physical address. This should only be used to 3252663Sstever@eecs.umich.edu * record the result of a translation, and thus the vaddr must be 3262663Sstever@eecs.umich.edu * valid before this method is called. Otherwise, use setPhys() 3272663Sstever@eecs.umich.edu * to guarantee that the size and flags are also set. 3282663Sstever@eecs.umich.edu */ 3295735Snate@binkert.org void 3306427Ssteve.reinhardt@amd.com setPaddr(Addr paddr) 3312663Sstever@eecs.umich.edu { 3326104Ssteve.reinhardt@amd.com assert(privateFlags.isSet(VALID_VADDR)); 3336427Ssteve.reinhardt@amd.com _paddr = paddr; 3346104Ssteve.reinhardt@amd.com privateFlags.set(VALID_PADDR); 3352663Sstever@eecs.umich.edu } 3362532SN/A 3375735Snate@binkert.org /** 3385744Sgblack@eecs.umich.edu * Generate two requests as if this request had been split into two 3395744Sgblack@eecs.umich.edu * pieces. The original request can't have been translated already. 3405744Sgblack@eecs.umich.edu */ 3415744Sgblack@eecs.umich.edu void splitOnVaddr(Addr split_addr, RequestPtr &req1, RequestPtr &req2) 3425744Sgblack@eecs.umich.edu { 3436104Ssteve.reinhardt@amd.com assert(privateFlags.isSet(VALID_VADDR)); 3446104Ssteve.reinhardt@amd.com assert(privateFlags.noneSet(VALID_PADDR)); 3456427Ssteve.reinhardt@amd.com assert(split_addr > _vaddr && split_addr < _vaddr + _size); 3465744Sgblack@eecs.umich.edu req1 = new Request; 3475744Sgblack@eecs.umich.edu *req1 = *this; 3485744Sgblack@eecs.umich.edu req2 = new Request; 3495744Sgblack@eecs.umich.edu *req2 = *this; 3506427Ssteve.reinhardt@amd.com req1->_size = split_addr - _vaddr; 3516427Ssteve.reinhardt@amd.com req2->_vaddr = split_addr; 3526427Ssteve.reinhardt@amd.com req2->_size = _size - req1->_size; 3535744Sgblack@eecs.umich.edu } 3545744Sgblack@eecs.umich.edu 3555744Sgblack@eecs.umich.edu /** 3565735Snate@binkert.org * Accessor for paddr. 3575735Snate@binkert.org */ 3586104Ssteve.reinhardt@amd.com bool 3596104Ssteve.reinhardt@amd.com hasPaddr() 3606104Ssteve.reinhardt@amd.com { 3616104Ssteve.reinhardt@amd.com return privateFlags.isSet(VALID_PADDR); 3626104Ssteve.reinhardt@amd.com } 3636104Ssteve.reinhardt@amd.com 3645735Snate@binkert.org Addr 3655735Snate@binkert.org getPaddr() 3665735Snate@binkert.org { 3676104Ssteve.reinhardt@amd.com assert(privateFlags.isSet(VALID_PADDR)); 3686427Ssteve.reinhardt@amd.com return _paddr; 3695735Snate@binkert.org } 3702663Sstever@eecs.umich.edu 3715735Snate@binkert.org /** 3725735Snate@binkert.org * Accessor for size. 3735735Snate@binkert.org */ 3746104Ssteve.reinhardt@amd.com bool 3756104Ssteve.reinhardt@amd.com hasSize() 3766104Ssteve.reinhardt@amd.com { 3776104Ssteve.reinhardt@amd.com return privateFlags.isSet(VALID_SIZE); 3786104Ssteve.reinhardt@amd.com } 3796104Ssteve.reinhardt@amd.com 3805735Snate@binkert.org int 3815735Snate@binkert.org getSize() 3825735Snate@binkert.org { 3836104Ssteve.reinhardt@amd.com assert(privateFlags.isSet(VALID_SIZE)); 3846427Ssteve.reinhardt@amd.com return _size; 3855735Snate@binkert.org } 3865735Snate@binkert.org 3872663Sstever@eecs.umich.edu /** Accessor for time. */ 3885735Snate@binkert.org Tick 3896223Snate@binkert.org time() const 3905735Snate@binkert.org { 3916104Ssteve.reinhardt@amd.com assert(privateFlags.isSet(VALID_PADDR|VALID_VADDR)); 3926223Snate@binkert.org return _time; 3936223Snate@binkert.org } 3946223Snate@binkert.org 3956223Snate@binkert.org void 3966223Snate@binkert.org time(Tick time) 3976223Snate@binkert.org { 3986223Snate@binkert.org assert(privateFlags.isSet(VALID_PADDR|VALID_VADDR)); 3996223Snate@binkert.org _time = time; 4005735Snate@binkert.org } 4015735Snate@binkert.org 4022663Sstever@eecs.umich.edu /** Accessor for flags. */ 4035735Snate@binkert.org Flags 4045735Snate@binkert.org getFlags() 4055735Snate@binkert.org { 4066104Ssteve.reinhardt@amd.com assert(privateFlags.isSet(VALID_PADDR|VALID_VADDR)); 4076427Ssteve.reinhardt@amd.com return _flags; 4085735Snate@binkert.org } 4095735Snate@binkert.org 4106428Ssteve.reinhardt@amd.com /** Note that unlike other accessors, this function sets *specific 4116428Ssteve.reinhardt@amd.com flags* (ORs them in); it does not assign its argument to the 4126428Ssteve.reinhardt@amd.com _flags field. Thus this method should rightly be called 4136428Ssteve.reinhardt@amd.com setFlags() and not just flags(). */ 4145735Snate@binkert.org void 4156427Ssteve.reinhardt@amd.com setFlags(Flags flags) 4165735Snate@binkert.org { 4176104Ssteve.reinhardt@amd.com assert(privateFlags.isSet(VALID_PADDR|VALID_VADDR)); 4186427Ssteve.reinhardt@amd.com _flags.set(flags); 4195735Snate@binkert.org } 4205735Snate@binkert.org 4212663Sstever@eecs.umich.edu /** Accessor function for vaddr.*/ 4225735Snate@binkert.org Addr 4235735Snate@binkert.org getVaddr() 4245735Snate@binkert.org { 4256104Ssteve.reinhardt@amd.com assert(privateFlags.isSet(VALID_VADDR)); 4266427Ssteve.reinhardt@amd.com return _vaddr; 4275735Snate@binkert.org } 4282663Sstever@eecs.umich.edu 4298832SAli.Saidi@ARM.com /** Accesssor for the requestor id. */ 4308832SAli.Saidi@ARM.com MasterID 4318832SAli.Saidi@ARM.com masterId() 4328832SAli.Saidi@ARM.com { 4338832SAli.Saidi@ARM.com return _masterId; 4348832SAli.Saidi@ARM.com } 4358832SAli.Saidi@ARM.com 4362663Sstever@eecs.umich.edu /** Accessor function for asid.*/ 4375735Snate@binkert.org int 4385735Snate@binkert.org getAsid() 4395735Snate@binkert.org { 4406104Ssteve.reinhardt@amd.com assert(privateFlags.isSet(VALID_VADDR)); 4416427Ssteve.reinhardt@amd.com return _asid; 4425735Snate@binkert.org } 4432663Sstever@eecs.umich.edu 4448551Sdaniel.johnson@arm.com /** Accessor function for asid.*/ 4458551Sdaniel.johnson@arm.com void 4468551Sdaniel.johnson@arm.com setAsid(int asid) 4478551Sdaniel.johnson@arm.com { 4488551Sdaniel.johnson@arm.com _asid = asid; 4498551Sdaniel.johnson@arm.com } 4508551Sdaniel.johnson@arm.com 4513804Ssaidi@eecs.umich.edu /** Accessor function for asi.*/ 4525735Snate@binkert.org uint8_t 4535735Snate@binkert.org getAsi() 4545735Snate@binkert.org { 4556104Ssteve.reinhardt@amd.com assert(privateFlags.isSet(VALID_VADDR)); 4566427Ssteve.reinhardt@amd.com return _flags & ASI_BITS; 4575735Snate@binkert.org } 4583804Ssaidi@eecs.umich.edu 4592679Sktlim@umich.edu /** Accessor function to check if sc result is valid. */ 4605735Snate@binkert.org bool 4615735Snate@binkert.org extraDataValid() 4625735Snate@binkert.org { 4636104Ssteve.reinhardt@amd.com return privateFlags.isSet(VALID_EXTRA_DATA); 4645735Snate@binkert.org } 4655735Snate@binkert.org 4662663Sstever@eecs.umich.edu /** Accessor function for store conditional return value.*/ 4675735Snate@binkert.org uint64_t 4685735Snate@binkert.org getExtraData() const 4695735Snate@binkert.org { 4706104Ssteve.reinhardt@amd.com assert(privateFlags.isSet(VALID_EXTRA_DATA)); 4716427Ssteve.reinhardt@amd.com return _extraData; 4725735Snate@binkert.org } 4735735Snate@binkert.org 4742663Sstever@eecs.umich.edu /** Accessor function for store conditional return value.*/ 4755735Snate@binkert.org void 4766427Ssteve.reinhardt@amd.com setExtraData(uint64_t extraData) 4775735Snate@binkert.org { 4786427Ssteve.reinhardt@amd.com _extraData = extraData; 4796104Ssteve.reinhardt@amd.com privateFlags.set(VALID_EXTRA_DATA); 4805735Snate@binkert.org } 4812663Sstever@eecs.umich.edu 4826010Ssteve.reinhardt@amd.com bool 4836010Ssteve.reinhardt@amd.com hasContextId() const 4846010Ssteve.reinhardt@amd.com { 4856104Ssteve.reinhardt@amd.com return privateFlags.isSet(VALID_CONTEXT_ID); 4866010Ssteve.reinhardt@amd.com } 4876010Ssteve.reinhardt@amd.com 4885714Shsul@eecs.umich.edu /** Accessor function for context ID.*/ 4895735Snate@binkert.org int 4905735Snate@binkert.org contextId() const 4915735Snate@binkert.org { 4926104Ssteve.reinhardt@amd.com assert(privateFlags.isSet(VALID_CONTEXT_ID)); 4935735Snate@binkert.org return _contextId; 4945735Snate@binkert.org } 4955735Snate@binkert.org 4965714Shsul@eecs.umich.edu /** Accessor function for thread ID. */ 4975735Snate@binkert.org int 4985735Snate@binkert.org threadId() const 4995735Snate@binkert.org { 5006104Ssteve.reinhardt@amd.com assert(privateFlags.isSet(VALID_THREAD_ID)); 5015735Snate@binkert.org return _threadId; 5025735Snate@binkert.org } 5032663Sstever@eecs.umich.edu 5045875Ssteve.reinhardt@amd.com bool 5055875Ssteve.reinhardt@amd.com hasPC() const 5065875Ssteve.reinhardt@amd.com { 5076104Ssteve.reinhardt@amd.com return privateFlags.isSet(VALID_PC); 5085875Ssteve.reinhardt@amd.com } 5095875Ssteve.reinhardt@amd.com 5106010Ssteve.reinhardt@amd.com /** Accessor function for pc.*/ 5115735Snate@binkert.org Addr 5125735Snate@binkert.org getPC() const 5135735Snate@binkert.org { 5146104Ssteve.reinhardt@amd.com assert(privateFlags.isSet(VALID_PC)); 5156427Ssteve.reinhardt@amd.com return _pc; 5165735Snate@binkert.org } 5172532SN/A 5186428Ssteve.reinhardt@amd.com /** Accessor functions for flags. Note that these are for testing 5196428Ssteve.reinhardt@amd.com only; setting flags should be done via setFlags(). */ 5206427Ssteve.reinhardt@amd.com bool isUncacheable() const { return _flags.isSet(UNCACHEABLE); } 5216427Ssteve.reinhardt@amd.com bool isInstFetch() const { return _flags.isSet(INST_FETCH); } 5226427Ssteve.reinhardt@amd.com bool isPrefetch() const { return _flags.isSet(PREFETCH); } 5236427Ssteve.reinhardt@amd.com bool isLLSC() const { return _flags.isSet(LLSC); } 5246427Ssteve.reinhardt@amd.com bool isLocked() const { return _flags.isSet(LOCKED); } 5256427Ssteve.reinhardt@amd.com bool isSwap() const { return _flags.isSet(MEM_SWAP|MEM_SWAP_COND); } 5266427Ssteve.reinhardt@amd.com bool isCondSwap() const { return _flags.isSet(MEM_SWAP_COND); } 5278105Sgblack@eecs.umich.edu bool isMmappedIpr() const { return _flags.isSet(MMAPPED_IPR); } 5287705Sgblack@eecs.umich.edu bool isClearLL() const { return _flags.isSet(CLEAR_LL); } 5292384SN/A}; 5302381SN/A 5312381SN/A#endif // __MEM_REQUEST_HH__ 532