request.hh revision 5764
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" 472980Sgblack@eecs.umich.edu#include "sim/host.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{ 565745Snate@binkert.org friend class Packet; 575745Snate@binkert.org 585735Snate@binkert.org public: 595735Snate@binkert.org typedef uint32_t FlagsType; 605735Snate@binkert.org typedef ::Flags<FlagsType> Flags; 615735Snate@binkert.org 625735Snate@binkert.org /** ASI information for this request if it exists. */ 635735Snate@binkert.org static const FlagsType ASI_BITS = 0x000000FF; 645735Snate@binkert.org /** The request is a Load locked/store conditional. */ 655735Snate@binkert.org static const FlagsType LOCKED = 0x00000100; 665735Snate@binkert.org /** The virtual address is also the physical address. */ 675735Snate@binkert.org static const FlagsType PHYSICAL = 0x00000200; 685735Snate@binkert.org /** The request is an ALPHA VPTE pal access (hw_ld). */ 695735Snate@binkert.org static const FlagsType VPTE = 0x00000400; 705735Snate@binkert.org /** Use the alternate mode bits in ALPHA. */ 715735Snate@binkert.org static const FlagsType ALTMODE = 0x00000800; 725735Snate@binkert.org /** The request is to an uncacheable address. */ 735735Snate@binkert.org static const FlagsType UNCACHEABLE = 0x00001000; 745735Snate@binkert.org /** The request should not cause a page fault. */ 755735Snate@binkert.org static const FlagsType NO_FAULT = 0x00002000; 765735Snate@binkert.org /** The request should be prefetched into the exclusive state. */ 775735Snate@binkert.org static const FlagsType PF_EXCLUSIVE = 0x00010000; 785735Snate@binkert.org /** The request should be marked as LRU. */ 795735Snate@binkert.org static const FlagsType EVICT_NEXT = 0x00020000; 805735Snate@binkert.org /** The request should ignore unaligned access faults */ 815735Snate@binkert.org static const FlagsType NO_ALIGN_FAULT = 0x00040000; 825735Snate@binkert.org /** The request was an instruction read. */ 835735Snate@binkert.org static const FlagsType INST_READ = 0x00080000; 845735Snate@binkert.org /** This request is for a memory swap. */ 855735Snate@binkert.org static const FlagsType MEM_SWAP = 0x00100000; 865735Snate@binkert.org static const FlagsType MEM_SWAP_COND = 0x00200000; 875735Snate@binkert.org /** The request should ignore unaligned access faults */ 885735Snate@binkert.org static const FlagsType NO_HALF_WORD_ALIGN_FAULT = 0x00400000; 895735Snate@binkert.org /** This request is to a memory mapped register. */ 905735Snate@binkert.org static const FlagsType MMAPED_IPR = 0x00800000; 915735Snate@binkert.org 925735Snate@binkert.org private: 935735Snate@binkert.org static const FlagsType PUBLIC_FLAGS = 0x00FF3FFF; 945735Snate@binkert.org static const FlagsType PRIVATE_FLAGS = 0xFF000000; 955735Snate@binkert.org 965735Snate@binkert.org /** Whether or not the size is valid. */ 975735Snate@binkert.org static const FlagsType VALID_SIZE = 0x01000000; 985735Snate@binkert.org /** Whether or not paddr is valid (has been written yet). */ 995735Snate@binkert.org static const FlagsType VALID_PADDR = 0x02000000; 1005735Snate@binkert.org /** Whether or not the vaddr & asid are valid. */ 1015735Snate@binkert.org static const FlagsType VALID_VADDR = 0x04000000; 1025735Snate@binkert.org /** Whether or not the pc is valid. */ 1035735Snate@binkert.org static const FlagsType VALID_PC = 0x10000000; 1045735Snate@binkert.org /** Whether or not the context ID is valid. */ 1055735Snate@binkert.org static const FlagsType VALID_CONTEXT_ID = 0x20000000; 1065735Snate@binkert.org static const FlagsType VALID_THREAD_ID = 0x40000000; 1075735Snate@binkert.org /** Whether or not the sc result is valid. */ 1085735Snate@binkert.org static const FlagsType VALID_EXTRA_DATA = 0x80000000; 1095735Snate@binkert.org 1102663Sstever@eecs.umich.edu private: 1112663Sstever@eecs.umich.edu /** 1122663Sstever@eecs.umich.edu * The physical address of the request. Valid only if validPaddr 1135735Snate@binkert.org * is set. 1145735Snate@binkert.org */ 1152663Sstever@eecs.umich.edu Addr paddr; 1162532SN/A 1172663Sstever@eecs.umich.edu /** 1182663Sstever@eecs.umich.edu * The size of the request. This field must be set when vaddr or 1192663Sstever@eecs.umich.edu * paddr is written via setVirt() or setPhys(), so it is always 1205735Snate@binkert.org * valid as long as one of the address fields is valid. 1215735Snate@binkert.org */ 1222381SN/A int size; 1232395SN/A 1242532SN/A /** Flag structure for the request. */ 1255735Snate@binkert.org Flags flags; 1262384SN/A 1272663Sstever@eecs.umich.edu /** 1282663Sstever@eecs.umich.edu * The time this request was started. Used to calculate 1292663Sstever@eecs.umich.edu * latencies. This field is set to curTick any time paddr or vaddr 1305735Snate@binkert.org * is written. 1315735Snate@binkert.org */ 1322663Sstever@eecs.umich.edu Tick time; 1332384SN/A 1342384SN/A /** The address space ID. */ 1352384SN/A int asid; 1363806Ssaidi@eecs.umich.edu 1372663Sstever@eecs.umich.edu /** The virtual address of the request. */ 1382663Sstever@eecs.umich.edu Addr vaddr; 1392384SN/A 1405735Snate@binkert.org /** 1415735Snate@binkert.org * Extra data for the request, such as the return value of 1424040Ssaidi@eecs.umich.edu * store conditional or the compare value for a CAS. */ 1434040Ssaidi@eecs.umich.edu uint64_t extraData; 1442384SN/A 1455714Shsul@eecs.umich.edu /** The context ID (for statistics, typically). */ 1465714Shsul@eecs.umich.edu int _contextId; 1475714Shsul@eecs.umich.edu /** The thread ID (id within this CPU) */ 1485714Shsul@eecs.umich.edu int _threadId; 1492384SN/A 1502381SN/A /** program counter of initiating access; for tracing/debugging */ 1512381SN/A Addr pc; 1522663Sstever@eecs.umich.edu 1532532SN/A public: 1542663Sstever@eecs.umich.edu /** Minimal constructor. No fields are initialized. */ 1552663Sstever@eecs.umich.edu Request() 1562663Sstever@eecs.umich.edu {} 1572532SN/A 1582663Sstever@eecs.umich.edu /** 1592663Sstever@eecs.umich.edu * Constructor for physical (e.g. device) requests. Initializes 1602663Sstever@eecs.umich.edu * just physical address, size, flags, and timestamp (to curTick). 1615735Snate@binkert.org * These fields are adequate to perform a request. 1625735Snate@binkert.org */ 1635735Snate@binkert.org Request(Addr paddr, int size, Flags flags) 1645735Snate@binkert.org { 1655735Snate@binkert.org setPhys(paddr, size, flags); 1665735Snate@binkert.org } 1672532SN/A 1685735Snate@binkert.org Request(int asid, Addr vaddr, int size, Flags flags, Addr pc, 1695735Snate@binkert.org int cid, int tid) 1702669Sktlim@umich.edu { 1715735Snate@binkert.org setThreadContext(cid, tid); 1725735Snate@binkert.org setVirt(asid, vaddr, size, flags, pc); 1732669Sktlim@umich.edu } 1742669Sktlim@umich.edu 1754610Ssaidi@eecs.umich.edu ~Request() {} // for FastAlloc 1764610Ssaidi@eecs.umich.edu 1772663Sstever@eecs.umich.edu /** 1785735Snate@binkert.org * Set up CPU and thread numbers. 1795735Snate@binkert.org */ 1805735Snate@binkert.org void 1815735Snate@binkert.org setThreadContext(int context_id, int thread_id) 1822663Sstever@eecs.umich.edu { 1835735Snate@binkert.org _contextId = context_id; 1845735Snate@binkert.org _threadId = thread_id; 1855735Snate@binkert.org flags.set(VALID_CONTEXT_ID|VALID_THREAD_ID); 1862663Sstever@eecs.umich.edu } 1872532SN/A 1882663Sstever@eecs.umich.edu /** 1892663Sstever@eecs.umich.edu * Set up a physical (e.g. device) request in a previously 1905735Snate@binkert.org * allocated Request object. 1915735Snate@binkert.org */ 1925735Snate@binkert.org void 1935735Snate@binkert.org setPhys(Addr _paddr, int _size, Flags _flags) 1942663Sstever@eecs.umich.edu { 1955731SSteve.Reinhardt@amd.com assert(_size >= 0); 1962663Sstever@eecs.umich.edu paddr = _paddr; 1972663Sstever@eecs.umich.edu size = _size; 1982663Sstever@eecs.umich.edu time = curTick; 1995735Snate@binkert.org 2005735Snate@binkert.org flags.set(VALID_PADDR|VALID_SIZE); 2015735Snate@binkert.org flags.clear(VALID_VADDR|VALID_PC|VALID_EXTRA_DATA|MMAPED_IPR); 2025735Snate@binkert.org flags.update(_flags, PUBLIC_FLAGS); 2032663Sstever@eecs.umich.edu } 2042532SN/A 2052663Sstever@eecs.umich.edu /** 2062663Sstever@eecs.umich.edu * Set up a virtual (e.g., CPU) request in a previously 2075735Snate@binkert.org * allocated Request object. 2085735Snate@binkert.org */ 2095735Snate@binkert.org void 2105735Snate@binkert.org setVirt(int _asid, Addr _vaddr, int _size, Flags _flags, Addr _pc) 2112663Sstever@eecs.umich.edu { 2125731SSteve.Reinhardt@amd.com assert(_size >= 0); 2132663Sstever@eecs.umich.edu asid = _asid; 2142663Sstever@eecs.umich.edu vaddr = _vaddr; 2152663Sstever@eecs.umich.edu size = _size; 2162663Sstever@eecs.umich.edu pc = _pc; 2172663Sstever@eecs.umich.edu time = curTick; 2185735Snate@binkert.org 2195735Snate@binkert.org flags.set(VALID_VADDR|VALID_SIZE|VALID_PC); 2205735Snate@binkert.org flags.clear(VALID_PADDR|VALID_EXTRA_DATA|MMAPED_IPR); 2215735Snate@binkert.org flags.update(_flags, PUBLIC_FLAGS); 2222663Sstever@eecs.umich.edu } 2232532SN/A 2245735Snate@binkert.org /** 2255735Snate@binkert.org * Set just the physical address. This should only be used to 2262663Sstever@eecs.umich.edu * record the result of a translation, and thus the vaddr must be 2272663Sstever@eecs.umich.edu * valid before this method is called. Otherwise, use setPhys() 2282663Sstever@eecs.umich.edu * to guarantee that the size and flags are also set. 2292663Sstever@eecs.umich.edu */ 2305735Snate@binkert.org void 2315735Snate@binkert.org setPaddr(Addr _paddr) 2322663Sstever@eecs.umich.edu { 2335764Snate@binkert.org assert(flags.isSet(VALID_VADDR)); 2342663Sstever@eecs.umich.edu paddr = _paddr; 2355735Snate@binkert.org flags.set(VALID_PADDR); 2362663Sstever@eecs.umich.edu } 2372532SN/A 2385735Snate@binkert.org /** 2395744Sgblack@eecs.umich.edu * Generate two requests as if this request had been split into two 2405744Sgblack@eecs.umich.edu * pieces. The original request can't have been translated already. 2415744Sgblack@eecs.umich.edu */ 2425744Sgblack@eecs.umich.edu void splitOnVaddr(Addr split_addr, RequestPtr &req1, RequestPtr &req2) 2435744Sgblack@eecs.umich.edu { 2445764Snate@binkert.org assert(flags.isSet(VALID_VADDR)); 2455764Snate@binkert.org assert(flags.noneSet(VALID_PADDR)); 2465744Sgblack@eecs.umich.edu assert(split_addr > vaddr && split_addr < vaddr + size); 2475744Sgblack@eecs.umich.edu req1 = new Request; 2485744Sgblack@eecs.umich.edu *req1 = *this; 2495744Sgblack@eecs.umich.edu req2 = new Request; 2505744Sgblack@eecs.umich.edu *req2 = *this; 2515744Sgblack@eecs.umich.edu req1->size = split_addr - vaddr; 2525744Sgblack@eecs.umich.edu req2->vaddr = split_addr; 2535744Sgblack@eecs.umich.edu req2->size = size - req1->size; 2545744Sgblack@eecs.umich.edu } 2555744Sgblack@eecs.umich.edu 2565744Sgblack@eecs.umich.edu /** 2575735Snate@binkert.org * Accessor for paddr. 2585735Snate@binkert.org */ 2595735Snate@binkert.org Addr 2605735Snate@binkert.org getPaddr() 2615735Snate@binkert.org { 2625764Snate@binkert.org assert(flags.isSet(VALID_PADDR)); 2635735Snate@binkert.org return paddr; 2645735Snate@binkert.org } 2652663Sstever@eecs.umich.edu 2665735Snate@binkert.org /** 2675735Snate@binkert.org * Accessor for size. 2685735Snate@binkert.org */ 2695735Snate@binkert.org int 2705735Snate@binkert.org getSize() 2715735Snate@binkert.org { 2725764Snate@binkert.org assert(flags.isSet(VALID_SIZE)); 2735735Snate@binkert.org return size; 2745735Snate@binkert.org } 2755735Snate@binkert.org 2762663Sstever@eecs.umich.edu /** Accessor for time. */ 2775735Snate@binkert.org Tick 2785735Snate@binkert.org getTime() 2795735Snate@binkert.org { 2805764Snate@binkert.org assert(flags.isSet(VALID_PADDR|VALID_VADDR)); 2815735Snate@binkert.org return time; 2825735Snate@binkert.org } 2835735Snate@binkert.org 2845607Snate@binkert.org void 2855607Snate@binkert.org setTime(Tick when) 2865607Snate@binkert.org { 2875764Snate@binkert.org assert(flags.isSet(VALID_PADDR|VALID_VADDR)); 2885607Snate@binkert.org time = when; 2895607Snate@binkert.org } 2902663Sstever@eecs.umich.edu 2912663Sstever@eecs.umich.edu /** Accessor for flags. */ 2925735Snate@binkert.org Flags 2935735Snate@binkert.org getFlags() 2945735Snate@binkert.org { 2955764Snate@binkert.org assert(flags.isSet(VALID_PADDR|VALID_VADDR)); 2965735Snate@binkert.org return flags & PUBLIC_FLAGS; 2975735Snate@binkert.org } 2985735Snate@binkert.org 2995735Snate@binkert.org Flags 3005735Snate@binkert.org anyFlags(Flags _flags) 3015735Snate@binkert.org { 3025764Snate@binkert.org assert(flags.isSet(VALID_PADDR|VALID_VADDR)); 3035764Snate@binkert.org assert(_flags.noneSet(~PUBLIC_FLAGS)); 3045764Snate@binkert.org return flags.isSet(_flags); 3055735Snate@binkert.org } 3065735Snate@binkert.org 3075735Snate@binkert.org Flags 3085735Snate@binkert.org allFlags(Flags _flags) 3095735Snate@binkert.org { 3105764Snate@binkert.org assert(flags.isSet(VALID_PADDR|VALID_VADDR)); 3115764Snate@binkert.org assert(_flags.noneSet(~PUBLIC_FLAGS)); 3125764Snate@binkert.org return flags.allSet(_flags); 3135735Snate@binkert.org } 3145735Snate@binkert.org 3155735Snate@binkert.org /** Accessor for flags. */ 3165735Snate@binkert.org void 3175735Snate@binkert.org setFlags(Flags _flags) 3185735Snate@binkert.org { 3195764Snate@binkert.org assert(flags.isSet(VALID_PADDR|VALID_VADDR)); 3205764Snate@binkert.org assert(_flags.noneSet(~PUBLIC_FLAGS)); 3215735Snate@binkert.org flags.set(_flags); 3225735Snate@binkert.org } 3235735Snate@binkert.org 3245735Snate@binkert.org void 3255735Snate@binkert.org clearFlags(Flags _flags) 3265735Snate@binkert.org { 3275764Snate@binkert.org assert(flags.isSet(VALID_PADDR|VALID_VADDR)); 3285764Snate@binkert.org assert(_flags.noneSet(~PUBLIC_FLAGS)); 3295735Snate@binkert.org flags.clear(_flags); 3305735Snate@binkert.org } 3315735Snate@binkert.org 3325735Snate@binkert.org void 3335735Snate@binkert.org clearFlags() 3345735Snate@binkert.org { 3355764Snate@binkert.org assert(flags.isSet(VALID_PADDR|VALID_VADDR)); 3365735Snate@binkert.org flags.clear(PUBLIC_FLAGS); 3375735Snate@binkert.org } 3382663Sstever@eecs.umich.edu 3392663Sstever@eecs.umich.edu /** Accessor function for vaddr.*/ 3405735Snate@binkert.org Addr 3415735Snate@binkert.org getVaddr() 3425735Snate@binkert.org { 3435764Snate@binkert.org assert(flags.isSet(VALID_VADDR)); 3445735Snate@binkert.org return vaddr; 3455735Snate@binkert.org } 3462663Sstever@eecs.umich.edu 3472663Sstever@eecs.umich.edu /** Accessor function for asid.*/ 3485735Snate@binkert.org int 3495735Snate@binkert.org getAsid() 3505735Snate@binkert.org { 3515764Snate@binkert.org assert(flags.isSet(VALID_VADDR)); 3525735Snate@binkert.org return asid; 3535735Snate@binkert.org } 3542663Sstever@eecs.umich.edu 3553804Ssaidi@eecs.umich.edu /** Accessor function for asi.*/ 3565735Snate@binkert.org uint8_t 3575735Snate@binkert.org getAsi() 3585735Snate@binkert.org { 3595764Snate@binkert.org assert(flags.isSet(VALID_VADDR)); 3605735Snate@binkert.org return flags & ASI_BITS; 3615735Snate@binkert.org } 3623804Ssaidi@eecs.umich.edu 3633804Ssaidi@eecs.umich.edu /** Accessor function for asi.*/ 3645735Snate@binkert.org void 3655735Snate@binkert.org setAsi(uint8_t a) 3665735Snate@binkert.org { 3675764Snate@binkert.org assert(flags.isSet(VALID_VADDR)); 3685735Snate@binkert.org flags.update(a, ASI_BITS); 3695735Snate@binkert.org } 3703806Ssaidi@eecs.umich.edu 3713804Ssaidi@eecs.umich.edu /** Accessor function for asi.*/ 3725735Snate@binkert.org bool 3735735Snate@binkert.org isMmapedIpr() 3745735Snate@binkert.org { 3755764Snate@binkert.org assert(flags.isSet(VALID_PADDR)); 3765764Snate@binkert.org return flags.isSet(MMAPED_IPR); 3775735Snate@binkert.org } 3783806Ssaidi@eecs.umich.edu 3793806Ssaidi@eecs.umich.edu /** Accessor function for asi.*/ 3805735Snate@binkert.org void 3815735Snate@binkert.org setMmapedIpr(bool r) 3825735Snate@binkert.org { 3835735Snate@binkert.org assert(VALID_VADDR); 3845735Snate@binkert.org flags.set(MMAPED_IPR); 3855735Snate@binkert.org } 3863804Ssaidi@eecs.umich.edu 3872679Sktlim@umich.edu /** Accessor function to check if sc result is valid. */ 3885735Snate@binkert.org bool 3895735Snate@binkert.org extraDataValid() 3905735Snate@binkert.org { 3915764Snate@binkert.org return flags.isSet(VALID_EXTRA_DATA); 3925735Snate@binkert.org } 3935735Snate@binkert.org 3942663Sstever@eecs.umich.edu /** Accessor function for store conditional return value.*/ 3955735Snate@binkert.org uint64_t 3965735Snate@binkert.org getExtraData() const 3975735Snate@binkert.org { 3985764Snate@binkert.org assert(flags.isSet(VALID_EXTRA_DATA)); 3995735Snate@binkert.org return extraData; 4005735Snate@binkert.org } 4015735Snate@binkert.org 4022663Sstever@eecs.umich.edu /** Accessor function for store conditional return value.*/ 4035735Snate@binkert.org void 4045735Snate@binkert.org setExtraData(uint64_t _extraData) 4055735Snate@binkert.org { 4065735Snate@binkert.org extraData = _extraData; 4075735Snate@binkert.org flags.set(VALID_EXTRA_DATA); 4085735Snate@binkert.org } 4092663Sstever@eecs.umich.edu 4105714Shsul@eecs.umich.edu /** Accessor function for context ID.*/ 4115735Snate@binkert.org int 4125735Snate@binkert.org contextId() const 4135735Snate@binkert.org { 4145764Snate@binkert.org assert(flags.isSet(VALID_CONTEXT_ID)); 4155735Snate@binkert.org return _contextId; 4165735Snate@binkert.org } 4175735Snate@binkert.org 4185714Shsul@eecs.umich.edu /** Accessor function for thread ID. */ 4195735Snate@binkert.org int 4205735Snate@binkert.org threadId() const 4215735Snate@binkert.org { 4225764Snate@binkert.org assert(flags.isSet(VALID_THREAD_ID)); 4235735Snate@binkert.org return _threadId; 4245735Snate@binkert.org } 4252663Sstever@eecs.umich.edu 4262663Sstever@eecs.umich.edu /** Accessor function for pc.*/ 4275735Snate@binkert.org Addr 4285735Snate@binkert.org getPC() const 4295735Snate@binkert.org { 4305764Snate@binkert.org assert(flags.isSet(VALID_PC)); 4315735Snate@binkert.org return pc; 4325735Snate@binkert.org } 4332532SN/A 4342811Srdreslin@umich.edu /** Accessor Function to Check Cacheability. */ 4355764Snate@binkert.org bool isUncacheable() const { return flags.isSet(UNCACHEABLE); } 4365764Snate@binkert.org bool isInstRead() const { return flags.isSet(INST_READ); } 4375764Snate@binkert.org bool isLocked() const { return flags.isSet(LOCKED); } 4385764Snate@binkert.org bool isSwap() const { return flags.isSet(MEM_SWAP|MEM_SWAP_COND); } 4395764Snate@binkert.org bool isCondSwap() const { return flags.isSet(MEM_SWAP_COND); } 4402811Srdreslin@umich.edu 4415735Snate@binkert.org bool 4425735Snate@binkert.org isMisaligned() const 4435735Snate@binkert.org { 4445764Snate@binkert.org if (flags.isSet(NO_ALIGN_FAULT)) 4455735Snate@binkert.org return false; 4463170Sstever@eecs.umich.edu 4475735Snate@binkert.org if ((vaddr & 0x1)) 4485735Snate@binkert.org return true; 4492814Srdreslin@umich.edu 4505764Snate@binkert.org if (flags.isSet(NO_HALF_WORD_ALIGN_FAULT)) 4515735Snate@binkert.org return false; 4524040Ssaidi@eecs.umich.edu 4535735Snate@binkert.org if ((vaddr & 0x2)) 4545735Snate@binkert.org return true; 4554040Ssaidi@eecs.umich.edu 4565735Snate@binkert.org return false; 4575735Snate@binkert.org } 4582384SN/A}; 4592381SN/A 4602381SN/A#endif // __MEM_REQUEST_HH__ 461