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authorBrad Beckmann <Brad.Beckmann@amd.com>2010-08-24 12:07:22 -0700
committerBrad Beckmann <Brad.Beckmann@amd.com>2010-08-24 12:07:22 -0700
commite983ef9e8c6749c1cd0bf083a2092cb4683d0346 (patch)
tree02d262e1b84e5c4675df54cb27678526f756169b /src/cpu/memtest/memtest.cc
parent20b2f0ce9f09bc4166bc3ee001eab4d6b2b84a04 (diff)
downloadgem5-e983ef9e8c6749c1cd0bf083a2092cb4683d0346.tar.xz
testers: move testers to a new directory
This patch moves the testers to a new subdirectory under src/cpu and includes the necessary fixes to work with latest m5 initialization patches. --HG-- rename : configs/example/determ_test.py => configs/example/ruby_direct_test.py rename : src/cpu/directedtest/DirectedGenerator.cc => src/cpu/testers/directedtest/DirectedGenerator.cc rename : src/cpu/directedtest/DirectedGenerator.hh => src/cpu/testers/directedtest/DirectedGenerator.hh rename : src/cpu/directedtest/InvalidateGenerator.cc => src/cpu/testers/directedtest/InvalidateGenerator.cc rename : src/cpu/directedtest/InvalidateGenerator.hh => src/cpu/testers/directedtest/InvalidateGenerator.hh rename : src/cpu/directedtest/RubyDirectedTester.cc => src/cpu/testers/directedtest/RubyDirectedTester.cc rename : src/cpu/directedtest/RubyDirectedTester.hh => src/cpu/testers/directedtest/RubyDirectedTester.hh rename : src/cpu/directedtest/RubyDirectedTester.py => src/cpu/testers/directedtest/RubyDirectedTester.py rename : src/cpu/directedtest/SConscript => src/cpu/testers/directedtest/SConscript rename : src/cpu/directedtest/SeriesRequestGenerator.cc => src/cpu/testers/directedtest/SeriesRequestGenerator.cc rename : src/cpu/directedtest/SeriesRequestGenerator.hh => src/cpu/testers/directedtest/SeriesRequestGenerator.hh rename : src/cpu/memtest/MemTest.py => src/cpu/testers/memtest/MemTest.py rename : src/cpu/memtest/SConscript => src/cpu/testers/memtest/SConscript rename : src/cpu/memtest/memtest.cc => src/cpu/testers/memtest/memtest.cc rename : src/cpu/memtest/memtest.hh => src/cpu/testers/memtest/memtest.hh rename : src/cpu/rubytest/Check.cc => src/cpu/testers/rubytest/Check.cc rename : src/cpu/rubytest/Check.hh => src/cpu/testers/rubytest/Check.hh rename : src/cpu/rubytest/CheckTable.cc => src/cpu/testers/rubytest/CheckTable.cc rename : src/cpu/rubytest/CheckTable.hh => src/cpu/testers/rubytest/CheckTable.hh rename : src/cpu/rubytest/RubyTester.cc => src/cpu/testers/rubytest/RubyTester.cc rename : src/cpu/rubytest/RubyTester.hh => src/cpu/testers/rubytest/RubyTester.hh rename : src/cpu/rubytest/RubyTester.py => src/cpu/testers/rubytest/RubyTester.py rename : src/cpu/rubytest/SConscript => src/cpu/testers/rubytest/SConscript
Diffstat (limited to 'src/cpu/memtest/memtest.cc')
-rw-r--r--src/cpu/memtest/memtest.cc434
1 files changed, 0 insertions, 434 deletions
diff --git a/src/cpu/memtest/memtest.cc b/src/cpu/memtest/memtest.cc
deleted file mode 100644
index 7b3ed3166..000000000
--- a/src/cpu/memtest/memtest.cc
+++ /dev/null
@@ -1,434 +0,0 @@
-/*
- * Copyright (c) 2002-2005 The Regents of The University of Michigan
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met: redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer;
- * redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution;
- * neither the name of the copyright holders nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * Authors: Erik Hallnor
- * Steve Reinhardt
- */
-
-// FIX ME: make trackBlkAddr use blocksize from actual cache, not hard coded
-
-#include <iomanip>
-#include <set>
-#include <string>
-#include <vector>
-
-#include "base/misc.hh"
-#include "base/statistics.hh"
-#include "cpu/memtest/memtest.hh"
-#include "mem/mem_object.hh"
-#include "mem/port.hh"
-#include "mem/packet.hh"
-#include "mem/request.hh"
-#include "sim/sim_events.hh"
-#include "sim/stats.hh"
-
-using namespace std;
-
-int TESTER_ALLOCATOR=0;
-
-bool
-MemTest::CpuPort::recvTiming(PacketPtr pkt)
-{
- if (pkt->isResponse()) {
- memtest->completeRequest(pkt);
- } else {
- // must be snoop upcall
- assert(pkt->isRequest());
- assert(pkt->getDest() == Packet::Broadcast);
- }
- return true;
-}
-
-Tick
-MemTest::CpuPort::recvAtomic(PacketPtr pkt)
-{
- // must be snoop upcall
- assert(pkt->isRequest());
- assert(pkt->getDest() == Packet::Broadcast);
- return curTick;
-}
-
-void
-MemTest::CpuPort::recvFunctional(PacketPtr pkt)
-{
- //Do nothing if we see one come through
-// if (curTick != 0)//Supress warning durring initialization
-// warn("Functional Writes not implemented in MemTester\n");
- //Need to find any response values that intersect and update
- return;
-}
-
-void
-MemTest::CpuPort::recvStatusChange(Status status)
-{
- if (status == RangeChange) {
- if (!snoopRangeSent) {
- snoopRangeSent = true;
- sendStatusChange(Port::RangeChange);
- }
- return;
- }
-
- panic("MemTest doesn't expect recvStatusChange callback!");
-}
-
-void
-MemTest::CpuPort::recvRetry()
-{
- memtest->doRetry();
-}
-
-void
-MemTest::sendPkt(PacketPtr pkt) {
- if (atomic) {
- cachePort.sendAtomic(pkt);
- completeRequest(pkt);
- }
- else if (!cachePort.sendTiming(pkt)) {
- DPRINTF(MemTest, "accessRetry setting to true\n");
-
- //
- // dma requests should never be retried
- //
- if (issueDmas) {
- panic("Nacked DMA requests are not supported\n");
- }
- accessRetry = true;
- retryPkt = pkt;
- } else {
- if (issueDmas) {
- dmaOutstanding = true;
- }
- }
-
-}
-
-MemTest::MemTest(const Params *p)
- : MemObject(p),
- tickEvent(this),
- cachePort("test", this),
- funcPort("functional", this),
- retryPkt(NULL),
-// mainMem(main_mem),
-// checkMem(check_mem),
- size(p->memory_size),
- percentReads(p->percent_reads),
- percentFunctional(p->percent_functional),
- percentUncacheable(p->percent_uncacheable),
- issueDmas(p->issue_dmas),
- progressInterval(p->progress_interval),
- nextProgressMessage(p->progress_interval),
- percentSourceUnaligned(p->percent_source_unaligned),
- percentDestUnaligned(p->percent_dest_unaligned),
- maxLoads(p->max_loads),
- atomic(p->atomic)
-{
-
- vector<string> cmd;
- cmd.push_back("/bin/ls");
- vector<string> null_vec;
- // thread = new SimpleThread(NULL, 0, NULL, 0, mainMem);
- curTick = 0;
-
- cachePort.snoopRangeSent = false;
- funcPort.snoopRangeSent = true;
-
- id = TESTER_ALLOCATOR++;
-
- // Needs to be masked off once we know the block size.
- traceBlockAddr = p->trace_addr;
- baseAddr1 = 0x100000;
- baseAddr2 = 0x400000;
- uncacheAddr = 0x800000;
-
- // set up counters
- noResponseCycles = 0;
- numReads = 0;
- schedule(tickEvent, 0);
-
- accessRetry = false;
- dmaOutstanding = false;
-}
-
-Port *
-MemTest::getPort(const std::string &if_name, int idx)
-{
- if (if_name == "functional")
- return &funcPort;
- else if (if_name == "test")
- return &cachePort;
- else
- panic("No Such Port\n");
-}
-
-void
-MemTest::init()
-{
- // By the time init() is called, the ports should be hooked up.
- blockSize = cachePort.peerBlockSize();
- blockAddrMask = blockSize - 1;
- traceBlockAddr = blockAddr(traceBlockAddr);
-
- // initial memory contents for both physical memory and functional
- // memory should be 0; no need to initialize them.
-}
-
-
-void
-MemTest::completeRequest(PacketPtr pkt)
-{
- Request *req = pkt->req;
-
- if (issueDmas) {
- dmaOutstanding = false;
- }
-
- DPRINTF(MemTest, "completing %s at address %x (blk %x)\n",
- pkt->isWrite() ? "write" : "read",
- req->getPaddr(), blockAddr(req->getPaddr()));
-
- MemTestSenderState *state =
- dynamic_cast<MemTestSenderState *>(pkt->senderState);
-
- uint8_t *data = state->data;
- uint8_t *pkt_data = pkt->getPtr<uint8_t>();
-
- //Remove the address from the list of outstanding
- std::set<unsigned>::iterator removeAddr =
- outstandingAddrs.find(req->getPaddr());
- assert(removeAddr != outstandingAddrs.end());
- outstandingAddrs.erase(removeAddr);
-
- assert(pkt->isResponse());
-
- if (pkt->isRead()) {
- if (memcmp(pkt_data, data, pkt->getSize()) != 0) {
- panic("%s: read of %x (blk %x) @ cycle %d "
- "returns %x, expected %x\n", name(),
- req->getPaddr(), blockAddr(req->getPaddr()), curTick,
- *pkt_data, *data);
- }
-
- numReads++;
- numReadsStat++;
-
- if (numReads == (uint64_t)nextProgressMessage) {
- ccprintf(cerr, "%s: completed %d read accesses @%d\n",
- name(), numReads, curTick);
- nextProgressMessage += progressInterval;
- }
-
- if (maxLoads != 0 && numReads >= maxLoads)
- exitSimLoop("maximum number of loads reached");
- } else {
- assert(pkt->isWrite());
- numWritesStat++;
- }
-
- noResponseCycles = 0;
- delete state;
- delete [] data;
- delete pkt->req;
- delete pkt;
-}
-
-void
-MemTest::regStats()
-{
- using namespace Stats;
-
- numReadsStat
- .name(name() + ".num_reads")
- .desc("number of read accesses completed")
- ;
-
- numWritesStat
- .name(name() + ".num_writes")
- .desc("number of write accesses completed")
- ;
-
- numCopiesStat
- .name(name() + ".num_copies")
- .desc("number of copy accesses completed")
- ;
-}
-
-void
-MemTest::tick()
-{
- if (!tickEvent.scheduled())
- schedule(tickEvent, curTick + ticks(1));
-
- if (++noResponseCycles >= 500000) {
- if (issueDmas) {
- cerr << "DMA tester ";
- }
- cerr << name() << ": deadlocked at cycle " << curTick << endl;
- fatal("");
- }
-
- if (accessRetry || (issueDmas && dmaOutstanding)) {
- DPRINTF(MemTest, "MemTester waiting on accessRetry or DMA response\n");
- return;
- }
-
- //make new request
- unsigned cmd = random() % 100;
- unsigned offset = random() % size;
- unsigned base = random() % 2;
- uint64_t data = random();
- unsigned access_size = random() % 4;
- bool uncacheable = (random() % 100) < percentUncacheable;
-
- unsigned dma_access_size = random() % 4;
-
- //If we aren't doing copies, use id as offset, and do a false sharing
- //mem tester
- //We can eliminate the lower bits of the offset, and then use the id
- //to offset within the blks
- offset = blockAddr(offset);
- offset += id;
- access_size = 0;
- dma_access_size = 0;
-
- Request *req = new Request();
- Request::Flags flags;
- Addr paddr;
-
- if (uncacheable) {
- flags.set(Request::UNCACHEABLE);
- paddr = uncacheAddr + offset;
- } else {
- paddr = ((base) ? baseAddr1 : baseAddr2) + offset;
- }
- bool probe = (random() % 100 < percentFunctional) && !uncacheable;
-
- if (issueDmas) {
- paddr &= ~((1 << dma_access_size) - 1);
- req->setPhys(paddr, 1 << dma_access_size, flags);
- req->setThreadContext(id,0);
- } else {
- paddr &= ~((1 << access_size) - 1);
- req->setPhys(paddr, 1 << access_size, flags);
- req->setThreadContext(id,0);
- }
- assert(req->getSize() == 1);
-
- uint8_t *result = new uint8_t[8];
-
- if (cmd < percentReads) {
- // read
-
- // For now we only allow one outstanding request per address
- // per tester This means we assume CPU does write forwarding
- // to reads that alias something in the cpu store buffer.
- if (outstandingAddrs.find(paddr) != outstandingAddrs.end()) {
- delete [] result;
- delete req;
- return;
- }
-
- outstandingAddrs.insert(paddr);
-
- // ***** NOTE FOR RON: I'm not sure how to access checkMem. - Kevin
- funcPort.readBlob(req->getPaddr(), result, req->getSize());
-
- DPRINTF(MemTest,
- "id %d initiating read at address %x (blk %x) expecting %x\n",
- id, req->getPaddr(), blockAddr(req->getPaddr()), *result);
-
- PacketPtr pkt = new Packet(req, MemCmd::ReadReq, Packet::Broadcast);
- pkt->setSrc(0);
- pkt->dataDynamicArray(new uint8_t[req->getSize()]);
- MemTestSenderState *state = new MemTestSenderState(result);
- pkt->senderState = state;
-
- if (probe) {
- cachePort.sendFunctional(pkt);
- completeRequest(pkt);
- } else {
- sendPkt(pkt);
- }
- } else {
- // write
-
- // For now we only allow one outstanding request per addreess
- // per tester. This means we assume CPU does write forwarding
- // to reads that alias something in the cpu store buffer.
- if (outstandingAddrs.find(paddr) != outstandingAddrs.end()) {
- delete [] result;
- delete req;
- return;
- }
-
- outstandingAddrs.insert(paddr);
-
- DPRINTF(MemTest, "initiating write at address %x (blk %x) value %x\n",
- req->getPaddr(), blockAddr(req->getPaddr()), data & 0xff);
-
- PacketPtr pkt = new Packet(req, MemCmd::WriteReq, Packet::Broadcast);
- pkt->setSrc(0);
- uint8_t *pkt_data = new uint8_t[req->getSize()];
- pkt->dataDynamicArray(pkt_data);
- memcpy(pkt_data, &data, req->getSize());
- MemTestSenderState *state = new MemTestSenderState(result);
- pkt->senderState = state;
-
- funcPort.writeBlob(req->getPaddr(), pkt_data, req->getSize());
-
- if (probe) {
- cachePort.sendFunctional(pkt);
- completeRequest(pkt);
- } else {
- sendPkt(pkt);
- }
- }
-}
-
-void
-MemTest::doRetry()
-{
- if (cachePort.sendTiming(retryPkt)) {
- DPRINTF(MemTest, "accessRetry setting to false\n");
- accessRetry = false;
- retryPkt = NULL;
- }
-}
-
-
-void
-MemTest::printAddr(Addr a)
-{
- cachePort.printAddr(a);
-}
-
-
-MemTest *
-MemTestParams::create()
-{
- return new MemTest(this);
-}