request.hh revision 8551
12381SN/A/* 22381SN/A * Copyright (c) 2002-2005 The Regents of The University of Michigan 32381SN/A * All rights reserved. 42381SN/A * 52381SN/A * Redistribution and use in source and binary forms, with or without 62381SN/A * modification, are permitted provided that the following conditions are 72381SN/A * met: redistributions of source code must retain the above copyright 82381SN/A * notice, this list of conditions and the following disclaimer; 92381SN/A * redistributions in binary form must reproduce the above copyright 102381SN/A * notice, this list of conditions and the following disclaimer in the 112381SN/A * documentation and/or other materials provided with the distribution; 122381SN/A * neither the name of the copyright holders nor the names of its 132381SN/A * contributors may be used to endorse or promote products derived from 142381SN/A * this software without specific prior written permission. 152381SN/A * 162381SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 172381SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 182381SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 192381SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 202381SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 212381SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 222381SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 232381SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 242381SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 252381SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 262381SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 272665Ssaidi@eecs.umich.edu * 282665Ssaidi@eecs.umich.edu * Authors: Ron Dreslinski 292665Ssaidi@eecs.umich.edu * Steve Reinhardt 302665Ssaidi@eecs.umich.edu * Ali Saidi 312381SN/A */ 322381SN/A 332381SN/A/** 342982Sstever@eecs.umich.edu * @file 352982Sstever@eecs.umich.edu * Declaration of a request, the overall memory request consisting of 362381SN/A the parts of the request that are persistent throughout the transaction. 372381SN/A */ 382381SN/A 392381SN/A#ifndef __MEM_REQUEST_HH__ 402381SN/A#define __MEM_REQUEST_HH__ 412381SN/A 425735Snate@binkert.org#include <cassert> 435735Snate@binkert.org 444610Ssaidi@eecs.umich.edu#include "base/fast_alloc.hh" 455735Snate@binkert.org#include "base/flags.hh" 465744Sgblack@eecs.umich.edu#include "base/misc.hh" 476214Snate@binkert.org#include "base/types.hh" 484167Sbinkertn@umich.edu#include "sim/core.hh" 492394SN/A 502394SN/Aclass Request; 512394SN/A 522394SN/Atypedef Request* RequestPtr; 532394SN/A 544610Ssaidi@eecs.umich.educlass Request : public FastAlloc 552381SN/A{ 565735Snate@binkert.org public: 575735Snate@binkert.org typedef uint32_t FlagsType; 585735Snate@binkert.org typedef ::Flags<FlagsType> Flags; 595735Snate@binkert.org 605735Snate@binkert.org /** ASI information for this request if it exists. */ 615735Snate@binkert.org static const FlagsType ASI_BITS = 0x000000FF; 626133Ssteve.reinhardt@amd.com /** The request was an instruction fetch. */ 636133Ssteve.reinhardt@amd.com static const FlagsType INST_FETCH = 0x00000100; 645735Snate@binkert.org /** The virtual address is also the physical address. */ 655735Snate@binkert.org static const FlagsType PHYSICAL = 0x00000200; 665735Snate@binkert.org /** The request is an ALPHA VPTE pal access (hw_ld). */ 675735Snate@binkert.org static const FlagsType VPTE = 0x00000400; 685735Snate@binkert.org /** Use the alternate mode bits in ALPHA. */ 695735Snate@binkert.org static const FlagsType ALTMODE = 0x00000800; 705735Snate@binkert.org /** The request is to an uncacheable address. */ 715735Snate@binkert.org static const FlagsType UNCACHEABLE = 0x00001000; 726133Ssteve.reinhardt@amd.com /** This request is to a memory mapped register. */ 738105Sgblack@eecs.umich.edu static const FlagsType MMAPPED_IPR = 0x00002000; 747612SGene.Wu@arm.com /** This request is a clear exclusive. */ 757705Sgblack@eecs.umich.edu static const FlagsType CLEAR_LL = 0x00004000; 766133Ssteve.reinhardt@amd.com 775890Sgblack@eecs.umich.edu /** The request should not cause a memory access. */ 786133Ssteve.reinhardt@amd.com static const FlagsType NO_ACCESS = 0x00080000; 796103Sgblack@eecs.umich.edu /** This request will lock or unlock the accessed memory. When used with 806103Sgblack@eecs.umich.edu * a load, the access locks the particular chunk of memory. When used 816103Sgblack@eecs.umich.edu * with a store, it unlocks. The rule is that locked accesses have to be 826103Sgblack@eecs.umich.edu * made up of a locked load, some operation on the data, and then a locked 836103Sgblack@eecs.umich.edu * store. 846103Sgblack@eecs.umich.edu */ 856133Ssteve.reinhardt@amd.com static const FlagsType LOCKED = 0x00100000; 866133Ssteve.reinhardt@amd.com /** The request is a Load locked/store conditional. */ 876133Ssteve.reinhardt@amd.com static const FlagsType LLSC = 0x00200000; 885735Snate@binkert.org /** This request is for a memory swap. */ 896133Ssteve.reinhardt@amd.com static const FlagsType MEM_SWAP = 0x00400000; 906133Ssteve.reinhardt@amd.com static const FlagsType MEM_SWAP_COND = 0x00800000; 916133Ssteve.reinhardt@amd.com 926106Ssteve.reinhardt@amd.com /** The request is a prefetch. */ 936106Ssteve.reinhardt@amd.com static const FlagsType PREFETCH = 0x01000000; 946133Ssteve.reinhardt@amd.com /** The request should be prefetched into the exclusive state. */ 956133Ssteve.reinhardt@amd.com static const FlagsType PF_EXCLUSIVE = 0x02000000; 966133Ssteve.reinhardt@amd.com /** The request should be marked as LRU. */ 976133Ssteve.reinhardt@amd.com static const FlagsType EVICT_NEXT = 0x04000000; 985735Snate@binkert.org 996104Ssteve.reinhardt@amd.com /** These flags are *not* cleared when a Request object is reused 1006104Ssteve.reinhardt@amd.com (assigned a new address). */ 1016105Ssteve.reinhardt@amd.com static const FlagsType STICKY_FLAGS = INST_FETCH; 1026104Ssteve.reinhardt@amd.com 1035735Snate@binkert.org private: 1046104Ssteve.reinhardt@amd.com typedef uint8_t PrivateFlagsType; 1056104Ssteve.reinhardt@amd.com typedef ::Flags<PrivateFlagsType> PrivateFlags; 1065735Snate@binkert.org 1075735Snate@binkert.org /** Whether or not the size is valid. */ 1086104Ssteve.reinhardt@amd.com static const PrivateFlagsType VALID_SIZE = 0x00000001; 1095735Snate@binkert.org /** Whether or not paddr is valid (has been written yet). */ 1106104Ssteve.reinhardt@amd.com static const PrivateFlagsType VALID_PADDR = 0x00000002; 1115735Snate@binkert.org /** Whether or not the vaddr & asid are valid. */ 1126104Ssteve.reinhardt@amd.com static const PrivateFlagsType VALID_VADDR = 0x00000004; 1135735Snate@binkert.org /** Whether or not the pc is valid. */ 1146104Ssteve.reinhardt@amd.com static const PrivateFlagsType VALID_PC = 0x00000010; 1155735Snate@binkert.org /** Whether or not the context ID is valid. */ 1166104Ssteve.reinhardt@amd.com static const PrivateFlagsType VALID_CONTEXT_ID = 0x00000020; 1176104Ssteve.reinhardt@amd.com static const PrivateFlagsType VALID_THREAD_ID = 0x00000040; 1185735Snate@binkert.org /** Whether or not the sc result is valid. */ 1196104Ssteve.reinhardt@amd.com static const PrivateFlagsType VALID_EXTRA_DATA = 0x00000080; 1206104Ssteve.reinhardt@amd.com 1216104Ssteve.reinhardt@amd.com /** These flags are *not* cleared when a Request object is reused 1226104Ssteve.reinhardt@amd.com (assigned a new address). */ 1236104Ssteve.reinhardt@amd.com static const PrivateFlagsType STICKY_PRIVATE_FLAGS = 1246104Ssteve.reinhardt@amd.com VALID_CONTEXT_ID | VALID_THREAD_ID; 1255735Snate@binkert.org 1262663Sstever@eecs.umich.edu private: 1272663Sstever@eecs.umich.edu /** 1282663Sstever@eecs.umich.edu * The physical address of the request. Valid only if validPaddr 1295735Snate@binkert.org * is set. 1305735Snate@binkert.org */ 1316427Ssteve.reinhardt@amd.com Addr _paddr; 1322532SN/A 1332663Sstever@eecs.umich.edu /** 1342663Sstever@eecs.umich.edu * The size of the request. This field must be set when vaddr or 1352663Sstever@eecs.umich.edu * paddr is written via setVirt() or setPhys(), so it is always 1365735Snate@binkert.org * valid as long as one of the address fields is valid. 1375735Snate@binkert.org */ 1386427Ssteve.reinhardt@amd.com int _size; 1392395SN/A 1402532SN/A /** Flag structure for the request. */ 1416427Ssteve.reinhardt@amd.com Flags _flags; 1422384SN/A 1436104Ssteve.reinhardt@amd.com /** Private flags for field validity checking. */ 1446104Ssteve.reinhardt@amd.com PrivateFlags privateFlags; 1456104Ssteve.reinhardt@amd.com 1462663Sstever@eecs.umich.edu /** 1472663Sstever@eecs.umich.edu * The time this request was started. Used to calculate 1487823Ssteve.reinhardt@amd.com * latencies. This field is set to curTick() any time paddr or vaddr 1495735Snate@binkert.org * is written. 1505735Snate@binkert.org */ 1516223Snate@binkert.org Tick _time; 1522384SN/A 1532384SN/A /** The address space ID. */ 1546427Ssteve.reinhardt@amd.com int _asid; 1553806Ssaidi@eecs.umich.edu 1562663Sstever@eecs.umich.edu /** The virtual address of the request. */ 1576427Ssteve.reinhardt@amd.com Addr _vaddr; 1582384SN/A 1595735Snate@binkert.org /** 1605735Snate@binkert.org * Extra data for the request, such as the return value of 1614040Ssaidi@eecs.umich.edu * store conditional or the compare value for a CAS. */ 1626427Ssteve.reinhardt@amd.com uint64_t _extraData; 1632384SN/A 1645714Shsul@eecs.umich.edu /** The context ID (for statistics, typically). */ 1655714Shsul@eecs.umich.edu int _contextId; 1665714Shsul@eecs.umich.edu /** The thread ID (id within this CPU) */ 1675714Shsul@eecs.umich.edu int _threadId; 1682384SN/A 1692381SN/A /** program counter of initiating access; for tracing/debugging */ 1706427Ssteve.reinhardt@amd.com Addr _pc; 1712663Sstever@eecs.umich.edu 1722532SN/A public: 1736427Ssteve.reinhardt@amd.com /** Minimal constructor. No fields are initialized. 1746427Ssteve.reinhardt@amd.com * (Note that _flags and privateFlags are cleared by Flags 1756427Ssteve.reinhardt@amd.com * default constructor.) 1766427Ssteve.reinhardt@amd.com */ 1772663Sstever@eecs.umich.edu Request() 1782663Sstever@eecs.umich.edu {} 1792532SN/A 1802663Sstever@eecs.umich.edu /** 1812663Sstever@eecs.umich.edu * Constructor for physical (e.g. device) requests. Initializes 1827823Ssteve.reinhardt@amd.com * just physical address, size, flags, and timestamp (to curTick()). 1835735Snate@binkert.org * These fields are adequate to perform a request. 1845735Snate@binkert.org */ 1855735Snate@binkert.org Request(Addr paddr, int size, Flags flags) 1865735Snate@binkert.org { 1875735Snate@binkert.org setPhys(paddr, size, flags); 1885735Snate@binkert.org } 1892532SN/A 1906223Snate@binkert.org Request(Addr paddr, int size, Flags flags, Tick time) 1916223Snate@binkert.org { 1926223Snate@binkert.org setPhys(paddr, size, flags, time); 1936223Snate@binkert.org } 1946223Snate@binkert.org 1956899SBrad.Beckmann@amd.com Request(Addr paddr, int size, Flags flags, Tick time, Addr pc) 1966899SBrad.Beckmann@amd.com { 1976899SBrad.Beckmann@amd.com setPhys(paddr, size, flags, time); 1986899SBrad.Beckmann@amd.com privateFlags.set(VALID_PC); 1996899SBrad.Beckmann@amd.com _pc = pc; 2006899SBrad.Beckmann@amd.com } 2016899SBrad.Beckmann@amd.com 2025735Snate@binkert.org Request(int asid, Addr vaddr, int size, Flags flags, Addr pc, 2036221Snate@binkert.org int cid, ThreadID tid) 2042669Sktlim@umich.edu { 2056104Ssteve.reinhardt@amd.com setVirt(asid, vaddr, size, flags, pc); 2065735Snate@binkert.org setThreadContext(cid, tid); 2072669Sktlim@umich.edu } 2082669Sktlim@umich.edu 2094610Ssaidi@eecs.umich.edu ~Request() {} // for FastAlloc 2104610Ssaidi@eecs.umich.edu 2112663Sstever@eecs.umich.edu /** 2125735Snate@binkert.org * Set up CPU and thread numbers. 2135735Snate@binkert.org */ 2145735Snate@binkert.org void 2156221Snate@binkert.org setThreadContext(int context_id, ThreadID tid) 2162663Sstever@eecs.umich.edu { 2175735Snate@binkert.org _contextId = context_id; 2186221Snate@binkert.org _threadId = tid; 2196104Ssteve.reinhardt@amd.com privateFlags.set(VALID_CONTEXT_ID|VALID_THREAD_ID); 2202663Sstever@eecs.umich.edu } 2212532SN/A 2222663Sstever@eecs.umich.edu /** 2232663Sstever@eecs.umich.edu * Set up a physical (e.g. device) request in a previously 2245735Snate@binkert.org * allocated Request object. 2255735Snate@binkert.org */ 2265735Snate@binkert.org void 2276427Ssteve.reinhardt@amd.com setPhys(Addr paddr, int size, Flags flags, Tick time) 2282663Sstever@eecs.umich.edu { 2296427Ssteve.reinhardt@amd.com assert(size >= 0); 2306427Ssteve.reinhardt@amd.com _paddr = paddr; 2316427Ssteve.reinhardt@amd.com _size = size; 2326223Snate@binkert.org _time = time; 2335735Snate@binkert.org 2346427Ssteve.reinhardt@amd.com _flags.clear(~STICKY_FLAGS); 2356427Ssteve.reinhardt@amd.com _flags.set(flags); 2366104Ssteve.reinhardt@amd.com privateFlags.clear(~STICKY_PRIVATE_FLAGS); 2376104Ssteve.reinhardt@amd.com privateFlags.set(VALID_PADDR|VALID_SIZE); 2382663Sstever@eecs.umich.edu } 2392532SN/A 2406223Snate@binkert.org void 2416427Ssteve.reinhardt@amd.com setPhys(Addr paddr, int size, Flags flags) 2426223Snate@binkert.org { 2437823Ssteve.reinhardt@amd.com setPhys(paddr, size, flags, curTick()); 2446223Snate@binkert.org } 2456223Snate@binkert.org 2462663Sstever@eecs.umich.edu /** 2472663Sstever@eecs.umich.edu * Set up a virtual (e.g., CPU) request in a previously 2485735Snate@binkert.org * allocated Request object. 2495735Snate@binkert.org */ 2505735Snate@binkert.org void 2516427Ssteve.reinhardt@amd.com setVirt(int asid, Addr vaddr, int size, Flags flags, Addr pc) 2522663Sstever@eecs.umich.edu { 2536427Ssteve.reinhardt@amd.com assert(size >= 0); 2546427Ssteve.reinhardt@amd.com _asid = asid; 2556427Ssteve.reinhardt@amd.com _vaddr = vaddr; 2566427Ssteve.reinhardt@amd.com _size = size; 2576427Ssteve.reinhardt@amd.com _pc = pc; 2587823Ssteve.reinhardt@amd.com _time = curTick(); 2595735Snate@binkert.org 2606427Ssteve.reinhardt@amd.com _flags.clear(~STICKY_FLAGS); 2616427Ssteve.reinhardt@amd.com _flags.set(flags); 2626104Ssteve.reinhardt@amd.com privateFlags.clear(~STICKY_PRIVATE_FLAGS); 2636104Ssteve.reinhardt@amd.com privateFlags.set(VALID_VADDR|VALID_SIZE|VALID_PC); 2642663Sstever@eecs.umich.edu } 2652532SN/A 2665735Snate@binkert.org /** 2675735Snate@binkert.org * Set just the physical address. This should only be used to 2682663Sstever@eecs.umich.edu * record the result of a translation, and thus the vaddr must be 2692663Sstever@eecs.umich.edu * valid before this method is called. Otherwise, use setPhys() 2702663Sstever@eecs.umich.edu * to guarantee that the size and flags are also set. 2712663Sstever@eecs.umich.edu */ 2725735Snate@binkert.org void 2736427Ssteve.reinhardt@amd.com setPaddr(Addr paddr) 2742663Sstever@eecs.umich.edu { 2756104Ssteve.reinhardt@amd.com assert(privateFlags.isSet(VALID_VADDR)); 2766427Ssteve.reinhardt@amd.com _paddr = paddr; 2776104Ssteve.reinhardt@amd.com privateFlags.set(VALID_PADDR); 2782663Sstever@eecs.umich.edu } 2792532SN/A 2805735Snate@binkert.org /** 2815744Sgblack@eecs.umich.edu * Generate two requests as if this request had been split into two 2825744Sgblack@eecs.umich.edu * pieces. The original request can't have been translated already. 2835744Sgblack@eecs.umich.edu */ 2845744Sgblack@eecs.umich.edu void splitOnVaddr(Addr split_addr, RequestPtr &req1, RequestPtr &req2) 2855744Sgblack@eecs.umich.edu { 2866104Ssteve.reinhardt@amd.com assert(privateFlags.isSet(VALID_VADDR)); 2876104Ssteve.reinhardt@amd.com assert(privateFlags.noneSet(VALID_PADDR)); 2886427Ssteve.reinhardt@amd.com assert(split_addr > _vaddr && split_addr < _vaddr + _size); 2895744Sgblack@eecs.umich.edu req1 = new Request; 2905744Sgblack@eecs.umich.edu *req1 = *this; 2915744Sgblack@eecs.umich.edu req2 = new Request; 2925744Sgblack@eecs.umich.edu *req2 = *this; 2936427Ssteve.reinhardt@amd.com req1->_size = split_addr - _vaddr; 2946427Ssteve.reinhardt@amd.com req2->_vaddr = split_addr; 2956427Ssteve.reinhardt@amd.com req2->_size = _size - req1->_size; 2965744Sgblack@eecs.umich.edu } 2975744Sgblack@eecs.umich.edu 2985744Sgblack@eecs.umich.edu /** 2995735Snate@binkert.org * Accessor for paddr. 3005735Snate@binkert.org */ 3016104Ssteve.reinhardt@amd.com bool 3026104Ssteve.reinhardt@amd.com hasPaddr() 3036104Ssteve.reinhardt@amd.com { 3046104Ssteve.reinhardt@amd.com return privateFlags.isSet(VALID_PADDR); 3056104Ssteve.reinhardt@amd.com } 3066104Ssteve.reinhardt@amd.com 3075735Snate@binkert.org Addr 3085735Snate@binkert.org getPaddr() 3095735Snate@binkert.org { 3106104Ssteve.reinhardt@amd.com assert(privateFlags.isSet(VALID_PADDR)); 3116427Ssteve.reinhardt@amd.com return _paddr; 3125735Snate@binkert.org } 3132663Sstever@eecs.umich.edu 3145735Snate@binkert.org /** 3155735Snate@binkert.org * Accessor for size. 3165735Snate@binkert.org */ 3176104Ssteve.reinhardt@amd.com bool 3186104Ssteve.reinhardt@amd.com hasSize() 3196104Ssteve.reinhardt@amd.com { 3206104Ssteve.reinhardt@amd.com return privateFlags.isSet(VALID_SIZE); 3216104Ssteve.reinhardt@amd.com } 3226104Ssteve.reinhardt@amd.com 3235735Snate@binkert.org int 3245735Snate@binkert.org getSize() 3255735Snate@binkert.org { 3266104Ssteve.reinhardt@amd.com assert(privateFlags.isSet(VALID_SIZE)); 3276427Ssteve.reinhardt@amd.com return _size; 3285735Snate@binkert.org } 3295735Snate@binkert.org 3302663Sstever@eecs.umich.edu /** Accessor for time. */ 3315735Snate@binkert.org Tick 3326223Snate@binkert.org time() const 3335735Snate@binkert.org { 3346104Ssteve.reinhardt@amd.com assert(privateFlags.isSet(VALID_PADDR|VALID_VADDR)); 3356223Snate@binkert.org return _time; 3366223Snate@binkert.org } 3376223Snate@binkert.org 3386223Snate@binkert.org void 3396223Snate@binkert.org time(Tick time) 3406223Snate@binkert.org { 3416223Snate@binkert.org assert(privateFlags.isSet(VALID_PADDR|VALID_VADDR)); 3426223Snate@binkert.org _time = time; 3435735Snate@binkert.org } 3445735Snate@binkert.org 3452663Sstever@eecs.umich.edu /** Accessor for flags. */ 3465735Snate@binkert.org Flags 3475735Snate@binkert.org getFlags() 3485735Snate@binkert.org { 3496104Ssteve.reinhardt@amd.com assert(privateFlags.isSet(VALID_PADDR|VALID_VADDR)); 3506427Ssteve.reinhardt@amd.com return _flags; 3515735Snate@binkert.org } 3525735Snate@binkert.org 3536428Ssteve.reinhardt@amd.com /** Note that unlike other accessors, this function sets *specific 3546428Ssteve.reinhardt@amd.com flags* (ORs them in); it does not assign its argument to the 3556428Ssteve.reinhardt@amd.com _flags field. Thus this method should rightly be called 3566428Ssteve.reinhardt@amd.com setFlags() and not just flags(). */ 3575735Snate@binkert.org void 3586427Ssteve.reinhardt@amd.com setFlags(Flags flags) 3595735Snate@binkert.org { 3606104Ssteve.reinhardt@amd.com assert(privateFlags.isSet(VALID_PADDR|VALID_VADDR)); 3616427Ssteve.reinhardt@amd.com _flags.set(flags); 3625735Snate@binkert.org } 3635735Snate@binkert.org 3642663Sstever@eecs.umich.edu /** Accessor function for vaddr.*/ 3655735Snate@binkert.org Addr 3665735Snate@binkert.org getVaddr() 3675735Snate@binkert.org { 3686104Ssteve.reinhardt@amd.com assert(privateFlags.isSet(VALID_VADDR)); 3696427Ssteve.reinhardt@amd.com return _vaddr; 3705735Snate@binkert.org } 3712663Sstever@eecs.umich.edu 3722663Sstever@eecs.umich.edu /** Accessor function for asid.*/ 3735735Snate@binkert.org int 3745735Snate@binkert.org getAsid() 3755735Snate@binkert.org { 3766104Ssteve.reinhardt@amd.com assert(privateFlags.isSet(VALID_VADDR)); 3776427Ssteve.reinhardt@amd.com return _asid; 3785735Snate@binkert.org } 3792663Sstever@eecs.umich.edu 3808551Sdaniel.johnson@arm.com /** Accessor function for asid.*/ 3818551Sdaniel.johnson@arm.com void 3828551Sdaniel.johnson@arm.com setAsid(int asid) 3838551Sdaniel.johnson@arm.com { 3848551Sdaniel.johnson@arm.com _asid = asid; 3858551Sdaniel.johnson@arm.com } 3868551Sdaniel.johnson@arm.com 3873804Ssaidi@eecs.umich.edu /** Accessor function for asi.*/ 3885735Snate@binkert.org uint8_t 3895735Snate@binkert.org getAsi() 3905735Snate@binkert.org { 3916104Ssteve.reinhardt@amd.com assert(privateFlags.isSet(VALID_VADDR)); 3926427Ssteve.reinhardt@amd.com return _flags & ASI_BITS; 3935735Snate@binkert.org } 3943804Ssaidi@eecs.umich.edu 3952679Sktlim@umich.edu /** Accessor function to check if sc result is valid. */ 3965735Snate@binkert.org bool 3975735Snate@binkert.org extraDataValid() 3985735Snate@binkert.org { 3996104Ssteve.reinhardt@amd.com return privateFlags.isSet(VALID_EXTRA_DATA); 4005735Snate@binkert.org } 4015735Snate@binkert.org 4022663Sstever@eecs.umich.edu /** Accessor function for store conditional return value.*/ 4035735Snate@binkert.org uint64_t 4045735Snate@binkert.org getExtraData() const 4055735Snate@binkert.org { 4066104Ssteve.reinhardt@amd.com assert(privateFlags.isSet(VALID_EXTRA_DATA)); 4076427Ssteve.reinhardt@amd.com return _extraData; 4085735Snate@binkert.org } 4095735Snate@binkert.org 4102663Sstever@eecs.umich.edu /** Accessor function for store conditional return value.*/ 4115735Snate@binkert.org void 4126427Ssteve.reinhardt@amd.com setExtraData(uint64_t extraData) 4135735Snate@binkert.org { 4146427Ssteve.reinhardt@amd.com _extraData = extraData; 4156104Ssteve.reinhardt@amd.com privateFlags.set(VALID_EXTRA_DATA); 4165735Snate@binkert.org } 4172663Sstever@eecs.umich.edu 4186010Ssteve.reinhardt@amd.com bool 4196010Ssteve.reinhardt@amd.com hasContextId() const 4206010Ssteve.reinhardt@amd.com { 4216104Ssteve.reinhardt@amd.com return privateFlags.isSet(VALID_CONTEXT_ID); 4226010Ssteve.reinhardt@amd.com } 4236010Ssteve.reinhardt@amd.com 4245714Shsul@eecs.umich.edu /** Accessor function for context ID.*/ 4255735Snate@binkert.org int 4265735Snate@binkert.org contextId() const 4275735Snate@binkert.org { 4286104Ssteve.reinhardt@amd.com assert(privateFlags.isSet(VALID_CONTEXT_ID)); 4295735Snate@binkert.org return _contextId; 4305735Snate@binkert.org } 4315735Snate@binkert.org 4325714Shsul@eecs.umich.edu /** Accessor function for thread ID. */ 4335735Snate@binkert.org int 4345735Snate@binkert.org threadId() const 4355735Snate@binkert.org { 4366104Ssteve.reinhardt@amd.com assert(privateFlags.isSet(VALID_THREAD_ID)); 4375735Snate@binkert.org return _threadId; 4385735Snate@binkert.org } 4392663Sstever@eecs.umich.edu 4405875Ssteve.reinhardt@amd.com bool 4415875Ssteve.reinhardt@amd.com hasPC() const 4425875Ssteve.reinhardt@amd.com { 4436104Ssteve.reinhardt@amd.com return privateFlags.isSet(VALID_PC); 4445875Ssteve.reinhardt@amd.com } 4455875Ssteve.reinhardt@amd.com 4466010Ssteve.reinhardt@amd.com /** Accessor function for pc.*/ 4475735Snate@binkert.org Addr 4485735Snate@binkert.org getPC() const 4495735Snate@binkert.org { 4506104Ssteve.reinhardt@amd.com assert(privateFlags.isSet(VALID_PC)); 4516427Ssteve.reinhardt@amd.com return _pc; 4525735Snate@binkert.org } 4532532SN/A 4546428Ssteve.reinhardt@amd.com /** Accessor functions for flags. Note that these are for testing 4556428Ssteve.reinhardt@amd.com only; setting flags should be done via setFlags(). */ 4566427Ssteve.reinhardt@amd.com bool isUncacheable() const { return _flags.isSet(UNCACHEABLE); } 4576427Ssteve.reinhardt@amd.com bool isInstFetch() const { return _flags.isSet(INST_FETCH); } 4586427Ssteve.reinhardt@amd.com bool isPrefetch() const { return _flags.isSet(PREFETCH); } 4596427Ssteve.reinhardt@amd.com bool isLLSC() const { return _flags.isSet(LLSC); } 4606427Ssteve.reinhardt@amd.com bool isLocked() const { return _flags.isSet(LOCKED); } 4616427Ssteve.reinhardt@amd.com bool isSwap() const { return _flags.isSet(MEM_SWAP|MEM_SWAP_COND); } 4626427Ssteve.reinhardt@amd.com bool isCondSwap() const { return _flags.isSet(MEM_SWAP_COND); } 4638105Sgblack@eecs.umich.edu bool isMmappedIpr() const { return _flags.isSet(MMAPPED_IPR); } 4647705Sgblack@eecs.umich.edu bool isClearLL() const { return _flags.isSet(CLEAR_LL); } 4652384SN/A}; 4662381SN/A 4672381SN/A#endif // __MEM_REQUEST_HH__ 468