request.hh revision 6214
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. */ 736133Ssteve.reinhardt@amd.com static const FlagsType MMAPED_IPR = 0x00002000; 746133Ssteve.reinhardt@amd.com 755735Snate@binkert.org /** The request should not cause a page fault. */ 766133Ssteve.reinhardt@amd.com static const FlagsType NO_FAULT = 0x00010000; 776133Ssteve.reinhardt@amd.com /** The request should ignore unaligned access faults */ 786133Ssteve.reinhardt@amd.com static const FlagsType NO_ALIGN_FAULT = 0x00020000; 796133Ssteve.reinhardt@amd.com /** The request should ignore unaligned access faults */ 806133Ssteve.reinhardt@amd.com static const FlagsType NO_HALF_WORD_ALIGN_FAULT = 0x00040000; 815890Sgblack@eecs.umich.edu /** The request should not cause a memory access. */ 826133Ssteve.reinhardt@amd.com static const FlagsType NO_ACCESS = 0x00080000; 836103Sgblack@eecs.umich.edu /** This request will lock or unlock the accessed memory. When used with 846103Sgblack@eecs.umich.edu * a load, the access locks the particular chunk of memory. When used 856103Sgblack@eecs.umich.edu * with a store, it unlocks. The rule is that locked accesses have to be 866103Sgblack@eecs.umich.edu * made up of a locked load, some operation on the data, and then a locked 876103Sgblack@eecs.umich.edu * store. 886103Sgblack@eecs.umich.edu */ 896133Ssteve.reinhardt@amd.com static const FlagsType LOCKED = 0x00100000; 906133Ssteve.reinhardt@amd.com /** The request is a Load locked/store conditional. */ 916133Ssteve.reinhardt@amd.com static const FlagsType LLSC = 0x00200000; 925735Snate@binkert.org /** This request is for a memory swap. */ 936133Ssteve.reinhardt@amd.com static const FlagsType MEM_SWAP = 0x00400000; 946133Ssteve.reinhardt@amd.com static const FlagsType MEM_SWAP_COND = 0x00800000; 956133Ssteve.reinhardt@amd.com 966106Ssteve.reinhardt@amd.com /** The request is a prefetch. */ 976106Ssteve.reinhardt@amd.com static const FlagsType PREFETCH = 0x01000000; 986133Ssteve.reinhardt@amd.com /** The request should be prefetched into the exclusive state. */ 996133Ssteve.reinhardt@amd.com static const FlagsType PF_EXCLUSIVE = 0x02000000; 1006133Ssteve.reinhardt@amd.com /** The request should be marked as LRU. */ 1016133Ssteve.reinhardt@amd.com static const FlagsType EVICT_NEXT = 0x04000000; 1025735Snate@binkert.org 1036104Ssteve.reinhardt@amd.com /** These flags are *not* cleared when a Request object is reused 1046104Ssteve.reinhardt@amd.com (assigned a new address). */ 1056105Ssteve.reinhardt@amd.com static const FlagsType STICKY_FLAGS = INST_FETCH; 1066104Ssteve.reinhardt@amd.com 1075735Snate@binkert.org private: 1086104Ssteve.reinhardt@amd.com typedef uint8_t PrivateFlagsType; 1096104Ssteve.reinhardt@amd.com typedef ::Flags<PrivateFlagsType> PrivateFlags; 1105735Snate@binkert.org 1115735Snate@binkert.org /** Whether or not the size is valid. */ 1126104Ssteve.reinhardt@amd.com static const PrivateFlagsType VALID_SIZE = 0x00000001; 1135735Snate@binkert.org /** Whether or not paddr is valid (has been written yet). */ 1146104Ssteve.reinhardt@amd.com static const PrivateFlagsType VALID_PADDR = 0x00000002; 1155735Snate@binkert.org /** Whether or not the vaddr & asid are valid. */ 1166104Ssteve.reinhardt@amd.com static const PrivateFlagsType VALID_VADDR = 0x00000004; 1175735Snate@binkert.org /** Whether or not the pc is valid. */ 1186104Ssteve.reinhardt@amd.com static const PrivateFlagsType VALID_PC = 0x00000010; 1195735Snate@binkert.org /** Whether or not the context ID is valid. */ 1206104Ssteve.reinhardt@amd.com static const PrivateFlagsType VALID_CONTEXT_ID = 0x00000020; 1216104Ssteve.reinhardt@amd.com static const PrivateFlagsType VALID_THREAD_ID = 0x00000040; 1225735Snate@binkert.org /** Whether or not the sc result is valid. */ 1236104Ssteve.reinhardt@amd.com static const PrivateFlagsType VALID_EXTRA_DATA = 0x00000080; 1246104Ssteve.reinhardt@amd.com 1256104Ssteve.reinhardt@amd.com /** These flags are *not* cleared when a Request object is reused 1266104Ssteve.reinhardt@amd.com (assigned a new address). */ 1276104Ssteve.reinhardt@amd.com static const PrivateFlagsType STICKY_PRIVATE_FLAGS = 1286104Ssteve.reinhardt@amd.com VALID_CONTEXT_ID | VALID_THREAD_ID; 1295735Snate@binkert.org 1302663Sstever@eecs.umich.edu private: 1312663Sstever@eecs.umich.edu /** 1322663Sstever@eecs.umich.edu * The physical address of the request. Valid only if validPaddr 1335735Snate@binkert.org * is set. 1345735Snate@binkert.org */ 1352663Sstever@eecs.umich.edu Addr paddr; 1362532SN/A 1372663Sstever@eecs.umich.edu /** 1382663Sstever@eecs.umich.edu * The size of the request. This field must be set when vaddr or 1392663Sstever@eecs.umich.edu * paddr is written via setVirt() or setPhys(), so it is always 1405735Snate@binkert.org * valid as long as one of the address fields is valid. 1415735Snate@binkert.org */ 1422381SN/A int size; 1432395SN/A 1442532SN/A /** Flag structure for the request. */ 1455735Snate@binkert.org Flags flags; 1462384SN/A 1476104Ssteve.reinhardt@amd.com /** Private flags for field validity checking. */ 1486104Ssteve.reinhardt@amd.com PrivateFlags privateFlags; 1496104Ssteve.reinhardt@amd.com 1502663Sstever@eecs.umich.edu /** 1512663Sstever@eecs.umich.edu * The time this request was started. Used to calculate 1522663Sstever@eecs.umich.edu * latencies. This field is set to curTick any time paddr or vaddr 1535735Snate@binkert.org * is written. 1545735Snate@binkert.org */ 1552663Sstever@eecs.umich.edu Tick time; 1562384SN/A 1572384SN/A /** The address space ID. */ 1582384SN/A int asid; 1593806Ssaidi@eecs.umich.edu 1602663Sstever@eecs.umich.edu /** The virtual address of the request. */ 1612663Sstever@eecs.umich.edu Addr vaddr; 1622384SN/A 1635735Snate@binkert.org /** 1645735Snate@binkert.org * Extra data for the request, such as the return value of 1654040Ssaidi@eecs.umich.edu * store conditional or the compare value for a CAS. */ 1664040Ssaidi@eecs.umich.edu uint64_t extraData; 1672384SN/A 1685714Shsul@eecs.umich.edu /** The context ID (for statistics, typically). */ 1695714Shsul@eecs.umich.edu int _contextId; 1705714Shsul@eecs.umich.edu /** The thread ID (id within this CPU) */ 1715714Shsul@eecs.umich.edu int _threadId; 1722384SN/A 1732381SN/A /** program counter of initiating access; for tracing/debugging */ 1742381SN/A Addr pc; 1752663Sstever@eecs.umich.edu 1762532SN/A public: 1772663Sstever@eecs.umich.edu /** Minimal constructor. No fields are initialized. */ 1782663Sstever@eecs.umich.edu Request() 1792663Sstever@eecs.umich.edu {} 1802532SN/A 1812663Sstever@eecs.umich.edu /** 1822663Sstever@eecs.umich.edu * Constructor for physical (e.g. device) requests. Initializes 1832663Sstever@eecs.umich.edu * just physical address, size, flags, and timestamp (to curTick). 1845735Snate@binkert.org * These fields are adequate to perform a request. 1855735Snate@binkert.org */ 1865735Snate@binkert.org Request(Addr paddr, int size, Flags flags) 1875735Snate@binkert.org { 1885735Snate@binkert.org setPhys(paddr, size, flags); 1895735Snate@binkert.org } 1902532SN/A 1915735Snate@binkert.org Request(int asid, Addr vaddr, int size, Flags flags, Addr pc, 1925735Snate@binkert.org int cid, int tid) 1932669Sktlim@umich.edu { 1946104Ssteve.reinhardt@amd.com setVirt(asid, vaddr, size, flags, pc); 1955735Snate@binkert.org setThreadContext(cid, tid); 1962669Sktlim@umich.edu } 1972669Sktlim@umich.edu 1984610Ssaidi@eecs.umich.edu ~Request() {} // for FastAlloc 1994610Ssaidi@eecs.umich.edu 2002663Sstever@eecs.umich.edu /** 2015735Snate@binkert.org * Set up CPU and thread numbers. 2025735Snate@binkert.org */ 2035735Snate@binkert.org void 2045735Snate@binkert.org setThreadContext(int context_id, int thread_id) 2052663Sstever@eecs.umich.edu { 2065735Snate@binkert.org _contextId = context_id; 2075735Snate@binkert.org _threadId = thread_id; 2086104Ssteve.reinhardt@amd.com privateFlags.set(VALID_CONTEXT_ID|VALID_THREAD_ID); 2092663Sstever@eecs.umich.edu } 2102532SN/A 2112663Sstever@eecs.umich.edu /** 2122663Sstever@eecs.umich.edu * Set up a physical (e.g. device) request in a previously 2135735Snate@binkert.org * allocated Request object. 2145735Snate@binkert.org */ 2155735Snate@binkert.org void 2165735Snate@binkert.org setPhys(Addr _paddr, int _size, Flags _flags) 2172663Sstever@eecs.umich.edu { 2185731SSteve.Reinhardt@amd.com assert(_size >= 0); 2192663Sstever@eecs.umich.edu paddr = _paddr; 2202663Sstever@eecs.umich.edu size = _size; 2212663Sstever@eecs.umich.edu time = curTick; 2225735Snate@binkert.org 2236104Ssteve.reinhardt@amd.com flags.clear(~STICKY_FLAGS); 2246104Ssteve.reinhardt@amd.com flags.set(_flags); 2256104Ssteve.reinhardt@amd.com privateFlags.clear(~STICKY_PRIVATE_FLAGS); 2266104Ssteve.reinhardt@amd.com privateFlags.set(VALID_PADDR|VALID_SIZE); 2272663Sstever@eecs.umich.edu } 2282532SN/A 2292663Sstever@eecs.umich.edu /** 2302663Sstever@eecs.umich.edu * Set up a virtual (e.g., CPU) request in a previously 2315735Snate@binkert.org * allocated Request object. 2325735Snate@binkert.org */ 2335735Snate@binkert.org void 2345735Snate@binkert.org setVirt(int _asid, Addr _vaddr, int _size, Flags _flags, Addr _pc) 2352663Sstever@eecs.umich.edu { 2365731SSteve.Reinhardt@amd.com assert(_size >= 0); 2372663Sstever@eecs.umich.edu asid = _asid; 2382663Sstever@eecs.umich.edu vaddr = _vaddr; 2392663Sstever@eecs.umich.edu size = _size; 2406104Ssteve.reinhardt@amd.com flags = _flags; 2412663Sstever@eecs.umich.edu pc = _pc; 2422663Sstever@eecs.umich.edu time = curTick; 2435735Snate@binkert.org 2446104Ssteve.reinhardt@amd.com flags.clear(~STICKY_FLAGS); 2456104Ssteve.reinhardt@amd.com flags.set(_flags); 2466104Ssteve.reinhardt@amd.com privateFlags.clear(~STICKY_PRIVATE_FLAGS); 2476104Ssteve.reinhardt@amd.com privateFlags.set(VALID_VADDR|VALID_SIZE|VALID_PC); 2482663Sstever@eecs.umich.edu } 2492532SN/A 2505735Snate@binkert.org /** 2515735Snate@binkert.org * Set just the physical address. This should only be used to 2522663Sstever@eecs.umich.edu * record the result of a translation, and thus the vaddr must be 2532663Sstever@eecs.umich.edu * valid before this method is called. Otherwise, use setPhys() 2542663Sstever@eecs.umich.edu * to guarantee that the size and flags are also set. 2552663Sstever@eecs.umich.edu */ 2565735Snate@binkert.org void 2575735Snate@binkert.org setPaddr(Addr _paddr) 2582663Sstever@eecs.umich.edu { 2596104Ssteve.reinhardt@amd.com assert(privateFlags.isSet(VALID_VADDR)); 2602663Sstever@eecs.umich.edu paddr = _paddr; 2616104Ssteve.reinhardt@amd.com privateFlags.set(VALID_PADDR); 2622663Sstever@eecs.umich.edu } 2632532SN/A 2645735Snate@binkert.org /** 2655744Sgblack@eecs.umich.edu * Generate two requests as if this request had been split into two 2665744Sgblack@eecs.umich.edu * pieces. The original request can't have been translated already. 2675744Sgblack@eecs.umich.edu */ 2685744Sgblack@eecs.umich.edu void splitOnVaddr(Addr split_addr, RequestPtr &req1, RequestPtr &req2) 2695744Sgblack@eecs.umich.edu { 2706104Ssteve.reinhardt@amd.com assert(privateFlags.isSet(VALID_VADDR)); 2716104Ssteve.reinhardt@amd.com assert(privateFlags.noneSet(VALID_PADDR)); 2725744Sgblack@eecs.umich.edu assert(split_addr > vaddr && split_addr < vaddr + size); 2735744Sgblack@eecs.umich.edu req1 = new Request; 2745744Sgblack@eecs.umich.edu *req1 = *this; 2755744Sgblack@eecs.umich.edu req2 = new Request; 2765744Sgblack@eecs.umich.edu *req2 = *this; 2775744Sgblack@eecs.umich.edu req1->size = split_addr - vaddr; 2785744Sgblack@eecs.umich.edu req2->vaddr = split_addr; 2795744Sgblack@eecs.umich.edu req2->size = size - req1->size; 2805744Sgblack@eecs.umich.edu } 2815744Sgblack@eecs.umich.edu 2825744Sgblack@eecs.umich.edu /** 2835735Snate@binkert.org * Accessor for paddr. 2845735Snate@binkert.org */ 2856104Ssteve.reinhardt@amd.com bool 2866104Ssteve.reinhardt@amd.com hasPaddr() 2876104Ssteve.reinhardt@amd.com { 2886104Ssteve.reinhardt@amd.com return privateFlags.isSet(VALID_PADDR); 2896104Ssteve.reinhardt@amd.com } 2906104Ssteve.reinhardt@amd.com 2915735Snate@binkert.org Addr 2925735Snate@binkert.org getPaddr() 2935735Snate@binkert.org { 2946104Ssteve.reinhardt@amd.com assert(privateFlags.isSet(VALID_PADDR)); 2955735Snate@binkert.org return paddr; 2965735Snate@binkert.org } 2972663Sstever@eecs.umich.edu 2985735Snate@binkert.org /** 2995735Snate@binkert.org * Accessor for size. 3005735Snate@binkert.org */ 3016104Ssteve.reinhardt@amd.com bool 3026104Ssteve.reinhardt@amd.com hasSize() 3036104Ssteve.reinhardt@amd.com { 3046104Ssteve.reinhardt@amd.com return privateFlags.isSet(VALID_SIZE); 3056104Ssteve.reinhardt@amd.com } 3066104Ssteve.reinhardt@amd.com 3075735Snate@binkert.org int 3085735Snate@binkert.org getSize() 3095735Snate@binkert.org { 3106104Ssteve.reinhardt@amd.com assert(privateFlags.isSet(VALID_SIZE)); 3115735Snate@binkert.org return size; 3125735Snate@binkert.org } 3135735Snate@binkert.org 3142663Sstever@eecs.umich.edu /** Accessor for time. */ 3155735Snate@binkert.org Tick 3165735Snate@binkert.org getTime() 3175735Snate@binkert.org { 3186104Ssteve.reinhardt@amd.com assert(privateFlags.isSet(VALID_PADDR|VALID_VADDR)); 3195735Snate@binkert.org return time; 3205735Snate@binkert.org } 3215735Snate@binkert.org 3222663Sstever@eecs.umich.edu /** Accessor for flags. */ 3235735Snate@binkert.org Flags 3245735Snate@binkert.org getFlags() 3255735Snate@binkert.org { 3266104Ssteve.reinhardt@amd.com assert(privateFlags.isSet(VALID_PADDR|VALID_VADDR)); 3276104Ssteve.reinhardt@amd.com return flags; 3285735Snate@binkert.org } 3295735Snate@binkert.org 3305735Snate@binkert.org void 3315735Snate@binkert.org setFlags(Flags _flags) 3325735Snate@binkert.org { 3336104Ssteve.reinhardt@amd.com assert(privateFlags.isSet(VALID_PADDR|VALID_VADDR)); 3345735Snate@binkert.org flags.set(_flags); 3355735Snate@binkert.org } 3365735Snate@binkert.org 3372663Sstever@eecs.umich.edu /** Accessor function for vaddr.*/ 3385735Snate@binkert.org Addr 3395735Snate@binkert.org getVaddr() 3405735Snate@binkert.org { 3416104Ssteve.reinhardt@amd.com assert(privateFlags.isSet(VALID_VADDR)); 3425735Snate@binkert.org return vaddr; 3435735Snate@binkert.org } 3442663Sstever@eecs.umich.edu 3452663Sstever@eecs.umich.edu /** Accessor function for asid.*/ 3465735Snate@binkert.org int 3475735Snate@binkert.org getAsid() 3485735Snate@binkert.org { 3496104Ssteve.reinhardt@amd.com assert(privateFlags.isSet(VALID_VADDR)); 3505735Snate@binkert.org return asid; 3515735Snate@binkert.org } 3522663Sstever@eecs.umich.edu 3533804Ssaidi@eecs.umich.edu /** Accessor function for asi.*/ 3545735Snate@binkert.org uint8_t 3555735Snate@binkert.org getAsi() 3565735Snate@binkert.org { 3576104Ssteve.reinhardt@amd.com assert(privateFlags.isSet(VALID_VADDR)); 3585735Snate@binkert.org return flags & ASI_BITS; 3595735Snate@binkert.org } 3603804Ssaidi@eecs.umich.edu 3616104Ssteve.reinhardt@amd.com /** Accessor function for MMAPED_IPR flag. */ 3625735Snate@binkert.org bool 3635735Snate@binkert.org isMmapedIpr() 3645735Snate@binkert.org { 3656104Ssteve.reinhardt@amd.com assert(privateFlags.isSet(VALID_PADDR)); 3665764Snate@binkert.org return flags.isSet(MMAPED_IPR); 3675735Snate@binkert.org } 3683806Ssaidi@eecs.umich.edu 3695735Snate@binkert.org void 3705735Snate@binkert.org setMmapedIpr(bool r) 3715735Snate@binkert.org { 3725735Snate@binkert.org assert(VALID_VADDR); 3735735Snate@binkert.org flags.set(MMAPED_IPR); 3745735Snate@binkert.org } 3753804Ssaidi@eecs.umich.edu 3762679Sktlim@umich.edu /** Accessor function to check if sc result is valid. */ 3775735Snate@binkert.org bool 3785735Snate@binkert.org extraDataValid() 3795735Snate@binkert.org { 3806104Ssteve.reinhardt@amd.com return privateFlags.isSet(VALID_EXTRA_DATA); 3815735Snate@binkert.org } 3825735Snate@binkert.org 3832663Sstever@eecs.umich.edu /** Accessor function for store conditional return value.*/ 3845735Snate@binkert.org uint64_t 3855735Snate@binkert.org getExtraData() const 3865735Snate@binkert.org { 3876104Ssteve.reinhardt@amd.com assert(privateFlags.isSet(VALID_EXTRA_DATA)); 3885735Snate@binkert.org return extraData; 3895735Snate@binkert.org } 3905735Snate@binkert.org 3912663Sstever@eecs.umich.edu /** Accessor function for store conditional return value.*/ 3925735Snate@binkert.org void 3935735Snate@binkert.org setExtraData(uint64_t _extraData) 3945735Snate@binkert.org { 3955735Snate@binkert.org extraData = _extraData; 3966104Ssteve.reinhardt@amd.com privateFlags.set(VALID_EXTRA_DATA); 3975735Snate@binkert.org } 3982663Sstever@eecs.umich.edu 3996010Ssteve.reinhardt@amd.com bool 4006010Ssteve.reinhardt@amd.com hasContextId() const 4016010Ssteve.reinhardt@amd.com { 4026104Ssteve.reinhardt@amd.com return privateFlags.isSet(VALID_CONTEXT_ID); 4036010Ssteve.reinhardt@amd.com } 4046010Ssteve.reinhardt@amd.com 4055714Shsul@eecs.umich.edu /** Accessor function for context ID.*/ 4065735Snate@binkert.org int 4075735Snate@binkert.org contextId() const 4085735Snate@binkert.org { 4096104Ssteve.reinhardt@amd.com assert(privateFlags.isSet(VALID_CONTEXT_ID)); 4105735Snate@binkert.org return _contextId; 4115735Snate@binkert.org } 4125735Snate@binkert.org 4135714Shsul@eecs.umich.edu /** Accessor function for thread ID. */ 4145735Snate@binkert.org int 4155735Snate@binkert.org threadId() const 4165735Snate@binkert.org { 4176104Ssteve.reinhardt@amd.com assert(privateFlags.isSet(VALID_THREAD_ID)); 4185735Snate@binkert.org return _threadId; 4195735Snate@binkert.org } 4202663Sstever@eecs.umich.edu 4215875Ssteve.reinhardt@amd.com bool 4225875Ssteve.reinhardt@amd.com hasPC() const 4235875Ssteve.reinhardt@amd.com { 4246104Ssteve.reinhardt@amd.com return privateFlags.isSet(VALID_PC); 4255875Ssteve.reinhardt@amd.com } 4265875Ssteve.reinhardt@amd.com 4276010Ssteve.reinhardt@amd.com /** Accessor function for pc.*/ 4285735Snate@binkert.org Addr 4295735Snate@binkert.org getPC() const 4305735Snate@binkert.org { 4316104Ssteve.reinhardt@amd.com assert(privateFlags.isSet(VALID_PC)); 4325735Snate@binkert.org return pc; 4335735Snate@binkert.org } 4342532SN/A 4352811Srdreslin@umich.edu /** Accessor Function to Check Cacheability. */ 4365764Snate@binkert.org bool isUncacheable() const { return flags.isSet(UNCACHEABLE); } 4376105Ssteve.reinhardt@amd.com bool isInstFetch() const { return flags.isSet(INST_FETCH); } 4386106Ssteve.reinhardt@amd.com bool isPrefetch() const { return flags.isSet(PREFETCH); } 4396102Sgblack@eecs.umich.edu bool isLLSC() const { return flags.isSet(LLSC); } 4406077Sgblack@eecs.umich.edu bool isLocked() const { return flags.isSet(LOCKED); } 4415764Snate@binkert.org bool isSwap() const { return flags.isSet(MEM_SWAP|MEM_SWAP_COND); } 4425764Snate@binkert.org bool isCondSwap() const { return flags.isSet(MEM_SWAP_COND); } 4432811Srdreslin@umich.edu 4445735Snate@binkert.org bool 4455735Snate@binkert.org isMisaligned() const 4465735Snate@binkert.org { 4475764Snate@binkert.org if (flags.isSet(NO_ALIGN_FAULT)) 4485735Snate@binkert.org return false; 4493170Sstever@eecs.umich.edu 4505735Snate@binkert.org if ((vaddr & 0x1)) 4515735Snate@binkert.org return true; 4522814Srdreslin@umich.edu 4535764Snate@binkert.org if (flags.isSet(NO_HALF_WORD_ALIGN_FAULT)) 4545735Snate@binkert.org return false; 4554040Ssaidi@eecs.umich.edu 4565735Snate@binkert.org if ((vaddr & 0x2)) 4575735Snate@binkert.org return true; 4584040Ssaidi@eecs.umich.edu 4595735Snate@binkert.org return false; 4605735Snate@binkert.org } 4612384SN/A}; 4622381SN/A 4632381SN/A#endif // __MEM_REQUEST_HH__ 464