packet.cc revision 11003
12568SN/A/* 210723Sandreas.hansson@arm.com * Copyright (c) 2011-2015 ARM Limited 38668Sgeoffrey.blake@arm.com * All rights reserved 48668Sgeoffrey.blake@arm.com * 58668Sgeoffrey.blake@arm.com * The license below extends only to copyright in the software and shall 68668Sgeoffrey.blake@arm.com * not be construed as granting a license to any other intellectual 78668Sgeoffrey.blake@arm.com * property including but not limited to intellectual property relating 88668Sgeoffrey.blake@arm.com * to a hardware implementation of the functionality of the software 98668Sgeoffrey.blake@arm.com * licensed hereunder. You may use the software subject to the license 108668Sgeoffrey.blake@arm.com * terms below provided that you ensure that this notice is replicated 118668Sgeoffrey.blake@arm.com * unmodified and in its entirety in all distributions of the software, 128668Sgeoffrey.blake@arm.com * modified or unmodified, in source code or in binary form. 138668Sgeoffrey.blake@arm.com * 142568SN/A * Copyright (c) 2006 The Regents of The University of Michigan 1510975Sdavid.hashe@amd.com * Copyright (c) 2010,2015 Advanced Micro Devices, Inc. 162568SN/A * All rights reserved. 172568SN/A * 182568SN/A * Redistribution and use in source and binary forms, with or without 192568SN/A * modification, are permitted provided that the following conditions are 202568SN/A * met: redistributions of source code must retain the above copyright 212568SN/A * notice, this list of conditions and the following disclaimer; 222568SN/A * redistributions in binary form must reproduce the above copyright 232568SN/A * notice, this list of conditions and the following disclaimer in the 242568SN/A * documentation and/or other materials provided with the distribution; 252568SN/A * neither the name of the copyright holders nor the names of its 262568SN/A * contributors may be used to endorse or promote products derived from 272568SN/A * this software without specific prior written permission. 282568SN/A * 292568SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 302568SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 312568SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 322568SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 332568SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 342568SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 352568SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 362568SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 372568SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 382568SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 392568SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 402665Ssaidi@eecs.umich.edu * 412665Ssaidi@eecs.umich.edu * Authors: Ali Saidi 422665Ssaidi@eecs.umich.edu * Steve Reinhardt 432568SN/A */ 442568SN/A 452568SN/A/** 462568SN/A * @file 472568SN/A * Definition of the Packet Class, a packet is a transaction occuring 482568SN/A * between a single level of the memory heirarchy (ie L1->L2). 492568SN/A */ 503260Ssaidi@eecs.umich.edu 518229Snate@binkert.org#include <cstring> 523260Ssaidi@eecs.umich.edu#include <iostream> 538229Snate@binkert.org 545314Sstever@gmail.com#include "base/cprintf.hh" 552590SN/A#include "base/misc.hh" 563348Sbinkertn@umich.edu#include "base/trace.hh" 572568SN/A#include "mem/packet.hh" 582568SN/A 595735Snate@binkert.orgusing namespace std; 605735Snate@binkert.org 614022Sstever@eecs.umich.edu// The one downside to bitsets is that static initializers can get ugly. 624022Sstever@eecs.umich.edu#define SET1(a1) (1 << (a1)) 634022Sstever@eecs.umich.edu#define SET2(a1, a2) (SET1(a1) | SET1(a2)) 644022Sstever@eecs.umich.edu#define SET3(a1, a2, a3) (SET2(a1, a2) | SET1(a3)) 654022Sstever@eecs.umich.edu#define SET4(a1, a2, a3, a4) (SET3(a1, a2, a3) | SET1(a4)) 664022Sstever@eecs.umich.edu#define SET5(a1, a2, a3, a4, a5) (SET4(a1, a2, a3, a4) | SET1(a5)) 674022Sstever@eecs.umich.edu#define SET6(a1, a2, a3, a4, a5, a6) (SET5(a1, a2, a3, a4, a5) | SET1(a6)) 682641Sstever@eecs.umich.edu 694022Sstever@eecs.umich.educonst MemCmd::CommandInfo 704022Sstever@eecs.umich.eduMemCmd::commandInfo[] = 712641Sstever@eecs.umich.edu{ 724022Sstever@eecs.umich.edu /* InvalidCmd */ 734022Sstever@eecs.umich.edu { 0, InvalidCmd, "InvalidCmd" }, 7410885Sandreas.hansson@arm.com /* ReadReq - Read issued by a non-caching agent such as a CPU or 7510885Sandreas.hansson@arm.com * device, with no restrictions on alignment. */ 764022Sstever@eecs.umich.edu { SET3(IsRead, IsRequest, NeedsResponse), ReadResp, "ReadReq" }, 774473Sstever@eecs.umich.edu /* ReadResp */ 784473Sstever@eecs.umich.edu { SET3(IsRead, IsResponse, HasData), InvalidCmd, "ReadResp" }, 795319Sstever@gmail.com /* ReadRespWithInvalidate */ 805319Sstever@gmail.com { SET4(IsRead, IsResponse, HasData, IsInvalidate), 815319Sstever@gmail.com InvalidCmd, "ReadRespWithInvalidate" }, 824022Sstever@eecs.umich.edu /* WriteReq */ 834626Sstever@eecs.umich.edu { SET5(IsWrite, NeedsExclusive, IsRequest, NeedsResponse, HasData), 844022Sstever@eecs.umich.edu WriteResp, "WriteReq" }, 854022Sstever@eecs.umich.edu /* WriteResp */ 864626Sstever@eecs.umich.edu { SET3(IsWrite, NeedsExclusive, IsResponse), InvalidCmd, "WriteResp" }, 874022Sstever@eecs.umich.edu /* Writeback */ 884628Sstever@eecs.umich.edu { SET4(IsWrite, NeedsExclusive, IsRequest, HasData), 894628Sstever@eecs.umich.edu InvalidCmd, "Writeback" }, 9010883Sali.jafri@arm.com /* CleanEvict */ 9110883Sali.jafri@arm.com { SET2(IsWrite, IsRequest), InvalidCmd, "CleanEvict" }, 924022Sstever@eecs.umich.edu /* SoftPFReq */ 934022Sstever@eecs.umich.edu { SET4(IsRead, IsRequest, IsSWPrefetch, NeedsResponse), 944022Sstever@eecs.umich.edu SoftPFResp, "SoftPFReq" }, 954022Sstever@eecs.umich.edu /* HardPFReq */ 964022Sstever@eecs.umich.edu { SET4(IsRead, IsRequest, IsHWPrefetch, NeedsResponse), 974022Sstever@eecs.umich.edu HardPFResp, "HardPFReq" }, 984022Sstever@eecs.umich.edu /* SoftPFResp */ 994022Sstever@eecs.umich.edu { SET4(IsRead, IsResponse, IsSWPrefetch, HasData), 1004022Sstever@eecs.umich.edu InvalidCmd, "SoftPFResp" }, 1014022Sstever@eecs.umich.edu /* HardPFResp */ 1024022Sstever@eecs.umich.edu { SET4(IsRead, IsResponse, IsHWPrefetch, HasData), 1034022Sstever@eecs.umich.edu InvalidCmd, "HardPFResp" }, 10410886Sandreas.hansson@arm.com /* WriteLineReq */ 10510886Sandreas.hansson@arm.com { SET5(IsWrite, NeedsExclusive, IsRequest, NeedsResponse, HasData), 10610886Sandreas.hansson@arm.com WriteResp, "WriteLineReq" }, 1074022Sstever@eecs.umich.edu /* UpgradeReq */ 1087465Ssteve.reinhardt@amd.com { SET5(IsInvalidate, NeedsExclusive, IsUpgrade, IsRequest, NeedsResponse), 1094628Sstever@eecs.umich.edu UpgradeResp, "UpgradeReq" }, 1107465Ssteve.reinhardt@amd.com /* SCUpgradeReq: response could be UpgradeResp or UpgradeFailResp */ 1117465Ssteve.reinhardt@amd.com { SET6(IsInvalidate, NeedsExclusive, IsUpgrade, IsLlsc, 1127465Ssteve.reinhardt@amd.com IsRequest, NeedsResponse), 1137465Ssteve.reinhardt@amd.com UpgradeResp, "SCUpgradeReq" }, 1144628Sstever@eecs.umich.edu /* UpgradeResp */ 1157465Ssteve.reinhardt@amd.com { SET3(NeedsExclusive, IsUpgrade, IsResponse), 1167465Ssteve.reinhardt@amd.com InvalidCmd, "UpgradeResp" }, 11710325Sgeoffrey.blake@arm.com /* SCUpgradeFailReq: generates UpgradeFailResp but still gets the data */ 11810325Sgeoffrey.blake@arm.com { SET6(IsRead, NeedsExclusive, IsInvalidate, 11910325Sgeoffrey.blake@arm.com IsLlsc, IsRequest, NeedsResponse), 1207465Ssteve.reinhardt@amd.com UpgradeFailResp, "SCUpgradeFailReq" }, 12110325Sgeoffrey.blake@arm.com /* UpgradeFailResp - Behaves like a ReadExReq, but notifies an SC 12210325Sgeoffrey.blake@arm.com * that it has failed, acquires line as Dirty*/ 12310325Sgeoffrey.blake@arm.com { SET4(IsRead, NeedsExclusive, IsResponse, HasData), 1247465Ssteve.reinhardt@amd.com InvalidCmd, "UpgradeFailResp" }, 12510885Sandreas.hansson@arm.com /* ReadExReq - Read issues by a cache, always cache-line aligned, 12610885Sandreas.hansson@arm.com * and the response is guaranteed to be writeable (exclusive or 12710885Sandreas.hansson@arm.com * even modified) */ 1284626Sstever@eecs.umich.edu { SET5(IsRead, NeedsExclusive, IsInvalidate, IsRequest, NeedsResponse), 1294022Sstever@eecs.umich.edu ReadExResp, "ReadExReq" }, 13010885Sandreas.hansson@arm.com /* ReadExResp - Response matching a read exclusive, as we check 13110885Sandreas.hansson@arm.com * the need for exclusive also on responses */ 1325319Sstever@gmail.com { SET4(IsRead, NeedsExclusive, IsResponse, HasData), 1334040Ssaidi@eecs.umich.edu InvalidCmd, "ReadExResp" }, 13410885Sandreas.hansson@arm.com /* ReadCleanReq - Read issued by a cache, always cache-line 13510885Sandreas.hansson@arm.com * aligned, and the response is guaranteed to not contain dirty data 13610885Sandreas.hansson@arm.com * (exclusive or shared).*/ 13710885Sandreas.hansson@arm.com { SET3(IsRead, IsRequest, NeedsResponse), ReadResp, "ReadCleanReq" }, 13810885Sandreas.hansson@arm.com /* ReadSharedReq - Read issued by a cache, always cache-line 13910885Sandreas.hansson@arm.com * aligned, response is shared, possibly exclusive, owned or even 14010885Sandreas.hansson@arm.com * modified. */ 14110885Sandreas.hansson@arm.com { SET3(IsRead, IsRequest, NeedsResponse), ReadResp, "ReadSharedReq" }, 1425507Sstever@gmail.com /* LoadLockedReq: note that we use plain ReadResp as response, so that 1435507Sstever@gmail.com * we can also use ReadRespWithInvalidate when needed */ 1446076Sgblack@eecs.umich.edu { SET4(IsRead, IsLlsc, IsRequest, NeedsResponse), 1455507Sstever@gmail.com ReadResp, "LoadLockedReq" }, 1464626Sstever@eecs.umich.edu /* StoreCondReq */ 1476076Sgblack@eecs.umich.edu { SET6(IsWrite, NeedsExclusive, IsLlsc, 1484626Sstever@eecs.umich.edu IsRequest, NeedsResponse, HasData), 1494626Sstever@eecs.umich.edu StoreCondResp, "StoreCondReq" }, 15010325Sgeoffrey.blake@arm.com /* StoreCondFailReq: generates failing StoreCondResp */ 1517669Ssteve.reinhardt@amd.com { SET6(IsWrite, NeedsExclusive, IsLlsc, 1527669Ssteve.reinhardt@amd.com IsRequest, NeedsResponse, HasData), 1537669Ssteve.reinhardt@amd.com StoreCondResp, "StoreCondFailReq" }, 1544626Sstever@eecs.umich.edu /* StoreCondResp */ 1556076Sgblack@eecs.umich.edu { SET4(IsWrite, NeedsExclusive, IsLlsc, IsResponse), 1564626Sstever@eecs.umich.edu InvalidCmd, "StoreCondResp" }, 1574040Ssaidi@eecs.umich.edu /* SwapReq -- for Swap ldstub type operations */ 1584626Sstever@eecs.umich.edu { SET6(IsRead, IsWrite, NeedsExclusive, IsRequest, HasData, NeedsResponse), 1594040Ssaidi@eecs.umich.edu SwapResp, "SwapReq" }, 1604040Ssaidi@eecs.umich.edu /* SwapResp -- for Swap ldstub type operations */ 1614626Sstever@eecs.umich.edu { SET5(IsRead, IsWrite, NeedsExclusive, IsResponse, HasData), 1624870Sstever@eecs.umich.edu InvalidCmd, "SwapResp" }, 1635650Sgblack@eecs.umich.edu /* IntReq -- for interrupts */ 1645650Sgblack@eecs.umich.edu { SET4(IsWrite, IsRequest, NeedsResponse, HasData), 1656063Sgblack@eecs.umich.edu MessageResp, "MessageReq" }, 1665650Sgblack@eecs.umich.edu /* IntResp -- for interrupts */ 1676063Sgblack@eecs.umich.edu { SET2(IsWrite, IsResponse), InvalidCmd, "MessageResp" }, 16810975Sdavid.hashe@amd.com /* ReleaseReq -- for release synchronization */ 16911003Sandreas.hansson@arm.com { SET2(IsRequest, NeedsResponse), ReleaseResp, "ReleaseReq" }, 17010975Sdavid.hashe@amd.com /* ReleaseResp -- for release synchronization */ 17111003Sandreas.hansson@arm.com { SET1(IsResponse), InvalidCmd, "ReleaseResp" }, 17210975Sdavid.hashe@amd.com /* AcquireReq -- for release synchronization */ 17311003Sandreas.hansson@arm.com { SET2(IsRequest, NeedsResponse), AcquireResp, "AcquireReq" }, 17410975Sdavid.hashe@amd.com /* AcquireResp -- for release synchronization */ 17511003Sandreas.hansson@arm.com { SET2(IsResponse, NeedsResponse), InvalidCmd, "AcquireResp" }, 1764870Sstever@eecs.umich.edu /* InvalidDestError -- packet dest field invalid */ 1774986Ssaidi@eecs.umich.edu { SET2(IsResponse, IsError), InvalidCmd, "InvalidDestError" }, 1784870Sstever@eecs.umich.edu /* BadAddressError -- memory address invalid */ 1795314Sstever@gmail.com { SET2(IsResponse, IsError), InvalidCmd, "BadAddressError" }, 1808436SBrad.Beckmann@amd.com /* FunctionalReadError */ 1818436SBrad.Beckmann@amd.com { SET3(IsRead, IsResponse, IsError), InvalidCmd, "FunctionalReadError" }, 1828436SBrad.Beckmann@amd.com /* FunctionalWriteError */ 1838436SBrad.Beckmann@amd.com { SET3(IsWrite, IsResponse, IsError), InvalidCmd, "FunctionalWriteError" }, 1845314Sstever@gmail.com /* PrintReq */ 1858184Ssomayeh@cs.wisc.edu { SET2(IsRequest, IsPrint), InvalidCmd, "PrintReq" }, 1868184Ssomayeh@cs.wisc.edu /* Flush Request */ 1878436SBrad.Beckmann@amd.com { SET3(IsRequest, IsFlush, NeedsExclusive), InvalidCmd, "FlushReq" }, 1888716Snilay@cs.wisc.edu /* Invalidation Request */ 18910886Sandreas.hansson@arm.com { SET4(IsInvalidate, IsRequest, NeedsExclusive, NeedsResponse), 19010886Sandreas.hansson@arm.com InvalidateResp, "InvalidateReq" }, 19110886Sandreas.hansson@arm.com /* Invalidation Response */ 19210886Sandreas.hansson@arm.com { SET3(IsInvalidate, IsResponse, NeedsExclusive), 19310886Sandreas.hansson@arm.com InvalidCmd, "InvalidateResp" } 1944022Sstever@eecs.umich.edu}; 1952592SN/A 1963607Srdreslin@umich.edubool 19710028SGiacomo.Gabrielli@arm.comPacket::checkFunctional(Printable *obj, Addr addr, bool is_secure, int size, 19810570Sandreas.hansson@arm.com uint8_t *_data) 1992641Sstever@eecs.umich.edu{ 2004626Sstever@eecs.umich.edu Addr func_start = getAddr(); 2014626Sstever@eecs.umich.edu Addr func_end = getAddr() + getSize() - 1; 2024626Sstever@eecs.umich.edu Addr val_start = addr; 2034626Sstever@eecs.umich.edu Addr val_end = val_start + size - 1; 2043260Ssaidi@eecs.umich.edu 20510028SGiacomo.Gabrielli@arm.com if (is_secure != _isSecure || func_start > val_end || 20610028SGiacomo.Gabrielli@arm.com val_start > func_end) { 2074626Sstever@eecs.umich.edu // no intersection 2084626Sstever@eecs.umich.edu return false; 2094626Sstever@eecs.umich.edu } 2103260Ssaidi@eecs.umich.edu 2115314Sstever@gmail.com // check print first since it doesn't require data 2125314Sstever@gmail.com if (isPrint()) { 21310570Sandreas.hansson@arm.com assert(!_data); 21410376Sandreas.hansson@arm.com safe_cast<PrintReqState*>(senderState)->printObj(obj); 2155314Sstever@gmail.com return false; 2165314Sstever@gmail.com } 2175314Sstever@gmail.com 21810570Sandreas.hansson@arm.com // we allow the caller to pass NULL to signify the other packet 21910570Sandreas.hansson@arm.com // has no data 22010570Sandreas.hansson@arm.com if (!_data) { 2215314Sstever@gmail.com return false; 2225314Sstever@gmail.com } 2235314Sstever@gmail.com 2244626Sstever@eecs.umich.edu // offset of functional request into supplied value (could be 2254626Sstever@eecs.umich.edu // negative if partial overlap) 2264626Sstever@eecs.umich.edu int offset = func_start - val_start; 2273260Ssaidi@eecs.umich.edu 2284626Sstever@eecs.umich.edu if (isRead()) { 2294626Sstever@eecs.umich.edu if (func_start >= val_start && func_end <= val_end) { 23010570Sandreas.hansson@arm.com memcpy(getPtr<uint8_t>(), _data + offset, getSize()); 23110723Sandreas.hansson@arm.com if (bytesValid.empty()) 23210723Sandreas.hansson@arm.com bytesValid.resize(getSize(), true); 23310570Sandreas.hansson@arm.com // complete overlap, and as the current packet is a read 23410570Sandreas.hansson@arm.com // we are done 2354626Sstever@eecs.umich.edu return true; 2363260Ssaidi@eecs.umich.edu } else { 2378668Sgeoffrey.blake@arm.com // Offsets and sizes to copy in case of partial overlap 2388668Sgeoffrey.blake@arm.com int func_offset; 2398668Sgeoffrey.blake@arm.com int val_offset; 2408668Sgeoffrey.blake@arm.com int overlap_size; 2418668Sgeoffrey.blake@arm.com 2428668Sgeoffrey.blake@arm.com // calculate offsets and copy sizes for the two byte arrays 2438668Sgeoffrey.blake@arm.com if (val_start < func_start && val_end <= func_end) { 24410723Sandreas.hansson@arm.com // the one we are checking against starts before and 24510723Sandreas.hansson@arm.com // ends before or the same 2468668Sgeoffrey.blake@arm.com val_offset = func_start - val_start; 2478668Sgeoffrey.blake@arm.com func_offset = 0; 2488668Sgeoffrey.blake@arm.com overlap_size = val_end - func_start; 2498668Sgeoffrey.blake@arm.com } else if (val_start >= func_start && val_end > func_end) { 25010723Sandreas.hansson@arm.com // the one we are checking against starts after or the 25110723Sandreas.hansson@arm.com // same, and ends after 2528668Sgeoffrey.blake@arm.com val_offset = 0; 2538668Sgeoffrey.blake@arm.com func_offset = val_start - func_start; 2548668Sgeoffrey.blake@arm.com overlap_size = func_end - val_start; 2558668Sgeoffrey.blake@arm.com } else if (val_start >= func_start && val_end <= func_end) { 25610723Sandreas.hansson@arm.com // the one we are checking against is completely 25710723Sandreas.hansson@arm.com // subsumed in the current packet, possibly starting 25810723Sandreas.hansson@arm.com // and ending at the same address 2598668Sgeoffrey.blake@arm.com val_offset = 0; 2608668Sgeoffrey.blake@arm.com func_offset = val_start - func_start; 2618668Sgeoffrey.blake@arm.com overlap_size = size; 26210723Sandreas.hansson@arm.com } else if (val_start < func_start && val_end > func_end) { 26310723Sandreas.hansson@arm.com // the current packet is completely subsumed in the 26410723Sandreas.hansson@arm.com // one we are checking against 26510723Sandreas.hansson@arm.com val_offset = func_start - val_start; 26610723Sandreas.hansson@arm.com func_offset = 0; 26710723Sandreas.hansson@arm.com overlap_size = func_end - func_start; 2688668Sgeoffrey.blake@arm.com } else { 26910723Sandreas.hansson@arm.com panic("Missed a case for checkFunctional with " 27010723Sandreas.hansson@arm.com " %s 0x%x size %d, against 0x%x size %d\n", 27110723Sandreas.hansson@arm.com cmdString(), getAddr(), getSize(), addr, size); 2728668Sgeoffrey.blake@arm.com } 2738668Sgeoffrey.blake@arm.com 2748668Sgeoffrey.blake@arm.com // copy partial data into the packet's data array 2758668Sgeoffrey.blake@arm.com uint8_t *dest = getPtr<uint8_t>() + func_offset; 27610570Sandreas.hansson@arm.com uint8_t *src = _data + val_offset; 2778668Sgeoffrey.blake@arm.com memcpy(dest, src, overlap_size); 2788668Sgeoffrey.blake@arm.com 27910723Sandreas.hansson@arm.com // initialise the tracking of valid bytes if we have not 28010723Sandreas.hansson@arm.com // used it already 28110723Sandreas.hansson@arm.com if (bytesValid.empty()) 28210723Sandreas.hansson@arm.com bytesValid.resize(getSize(), false); 28310723Sandreas.hansson@arm.com 28410723Sandreas.hansson@arm.com // track if we are done filling the functional access 28510723Sandreas.hansson@arm.com bool all_bytes_valid = true; 28610723Sandreas.hansson@arm.com 28710723Sandreas.hansson@arm.com int i = 0; 28810723Sandreas.hansson@arm.com 28910723Sandreas.hansson@arm.com // check up to func_offset 29010723Sandreas.hansson@arm.com for (; all_bytes_valid && i < func_offset; ++i) 29110723Sandreas.hansson@arm.com all_bytes_valid &= bytesValid[i]; 29210723Sandreas.hansson@arm.com 29310723Sandreas.hansson@arm.com // update the valid bytes 29410723Sandreas.hansson@arm.com for (i = func_offset; i < func_offset + overlap_size; ++i) 29510723Sandreas.hansson@arm.com bytesValid[i] = true; 29610723Sandreas.hansson@arm.com 29710723Sandreas.hansson@arm.com // check the bit after the update we just made 29810723Sandreas.hansson@arm.com for (; all_bytes_valid && i < getSize(); ++i) 29910723Sandreas.hansson@arm.com all_bytes_valid &= bytesValid[i]; 30010723Sandreas.hansson@arm.com 30110723Sandreas.hansson@arm.com return all_bytes_valid; 3023260Ssaidi@eecs.umich.edu } 3034626Sstever@eecs.umich.edu } else if (isWrite()) { 3044626Sstever@eecs.umich.edu if (offset >= 0) { 30510570Sandreas.hansson@arm.com memcpy(_data + offset, getConstPtr<uint8_t>(), 3065735Snate@binkert.org (min(func_end, val_end) - func_start) + 1); 3075735Snate@binkert.org } else { 3085735Snate@binkert.org // val_start > func_start 30910570Sandreas.hansson@arm.com memcpy(_data, getConstPtr<uint8_t>() - offset, 3105735Snate@binkert.org (min(func_end, val_end) - val_start) + 1); 3113260Ssaidi@eecs.umich.edu } 3125314Sstever@gmail.com } else { 3134626Sstever@eecs.umich.edu panic("Don't know how to handle command %s\n", cmdString()); 3145314Sstever@gmail.com } 3155314Sstever@gmail.com 3165314Sstever@gmail.com // keep going with request by default 3175314Sstever@gmail.com return false; 3182641Sstever@eecs.umich.edu} 3193260Ssaidi@eecs.umich.edu 3205314Sstever@gmail.comvoid 3219542Sandreas.hansson@arm.comPacket::pushSenderState(Packet::SenderState *sender_state) 3229542Sandreas.hansson@arm.com{ 3239542Sandreas.hansson@arm.com assert(sender_state != NULL); 3249542Sandreas.hansson@arm.com sender_state->predecessor = senderState; 3259542Sandreas.hansson@arm.com senderState = sender_state; 3269542Sandreas.hansson@arm.com} 3279542Sandreas.hansson@arm.com 3289542Sandreas.hansson@arm.comPacket::SenderState * 3299542Sandreas.hansson@arm.comPacket::popSenderState() 3309542Sandreas.hansson@arm.com{ 3319542Sandreas.hansson@arm.com assert(senderState != NULL); 3329542Sandreas.hansson@arm.com SenderState *sender_state = senderState; 3339542Sandreas.hansson@arm.com senderState = sender_state->predecessor; 3349542Sandreas.hansson@arm.com sender_state->predecessor = NULL; 3359542Sandreas.hansson@arm.com return sender_state; 3369542Sandreas.hansson@arm.com} 3379542Sandreas.hansson@arm.com 3389542Sandreas.hansson@arm.comvoid 3395735Snate@binkert.orgPacket::print(ostream &o, const int verbosity, const string &prefix) const 3403260Ssaidi@eecs.umich.edu{ 3415314Sstever@gmail.com ccprintf(o, "%s[%x:%x] %s\n", prefix, 3425314Sstever@gmail.com getAddr(), getAddr() + getSize() - 1, cmdString()); 3433260Ssaidi@eecs.umich.edu} 3443260Ssaidi@eecs.umich.edu 3459663Suri.wiener@arm.comstd::string 3469663Suri.wiener@arm.comPacket::print() const { 3479663Suri.wiener@arm.com ostringstream str; 3489663Suri.wiener@arm.com print(str); 3499663Suri.wiener@arm.com return str.str(); 3509663Suri.wiener@arm.com} 3519663Suri.wiener@arm.com 3525735Snate@binkert.orgPacket::PrintReqState::PrintReqState(ostream &_os, int _verbosity) 3535735Snate@binkert.org : curPrefixPtr(new string("")), os(_os), verbosity(_verbosity) 3545314Sstever@gmail.com{ 3555314Sstever@gmail.com labelStack.push_back(LabelStackEntry("", curPrefixPtr)); 3565314Sstever@gmail.com} 3575314Sstever@gmail.com 3585314Sstever@gmail.comPacket::PrintReqState::~PrintReqState() 3595314Sstever@gmail.com{ 3605314Sstever@gmail.com labelStack.pop_back(); 3615314Sstever@gmail.com assert(labelStack.empty()); 3625314Sstever@gmail.com delete curPrefixPtr; 3635314Sstever@gmail.com} 3645314Sstever@gmail.com 3655314Sstever@gmail.comPacket::PrintReqState:: 3665735Snate@binkert.orgLabelStackEntry::LabelStackEntry(const string &_label, string *_prefix) 3675314Sstever@gmail.com : label(_label), prefix(_prefix), labelPrinted(false) 3685314Sstever@gmail.com{ 3695314Sstever@gmail.com} 3705314Sstever@gmail.com 3715314Sstever@gmail.comvoid 3725735Snate@binkert.orgPacket::PrintReqState::pushLabel(const string &lbl, const string &prefix) 3735314Sstever@gmail.com{ 3745314Sstever@gmail.com labelStack.push_back(LabelStackEntry(lbl, curPrefixPtr)); 3755735Snate@binkert.org curPrefixPtr = new string(*curPrefixPtr); 3765314Sstever@gmail.com *curPrefixPtr += prefix; 3775314Sstever@gmail.com} 3785314Sstever@gmail.com 3795314Sstever@gmail.comvoid 3805314Sstever@gmail.comPacket::PrintReqState::popLabel() 3815314Sstever@gmail.com{ 3825314Sstever@gmail.com delete curPrefixPtr; 3835314Sstever@gmail.com curPrefixPtr = labelStack.back().prefix; 3845314Sstever@gmail.com labelStack.pop_back(); 3855314Sstever@gmail.com assert(!labelStack.empty()); 3865314Sstever@gmail.com} 3875314Sstever@gmail.com 3885314Sstever@gmail.comvoid 3895314Sstever@gmail.comPacket::PrintReqState::printLabels() 3905314Sstever@gmail.com{ 3915314Sstever@gmail.com if (!labelStack.back().labelPrinted) { 3925314Sstever@gmail.com LabelStack::iterator i = labelStack.begin(); 3935314Sstever@gmail.com LabelStack::iterator end = labelStack.end(); 3945314Sstever@gmail.com while (i != end) { 3955314Sstever@gmail.com if (!i->labelPrinted) { 3965314Sstever@gmail.com ccprintf(os, "%s%s\n", *(i->prefix), i->label); 3975314Sstever@gmail.com i->labelPrinted = true; 3985314Sstever@gmail.com } 3995314Sstever@gmail.com i++; 4005314Sstever@gmail.com } 4015314Sstever@gmail.com } 4025314Sstever@gmail.com} 4035314Sstever@gmail.com 4045314Sstever@gmail.com 4055314Sstever@gmail.comvoid 4065314Sstever@gmail.comPacket::PrintReqState::printObj(Printable *obj) 4075314Sstever@gmail.com{ 4085314Sstever@gmail.com printLabels(); 4095314Sstever@gmail.com obj->print(os, verbosity, curPrefix()); 4105314Sstever@gmail.com} 411