--- /dev/null
+/*
+ * Copyright (c) 2003-2004 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.
+ */
+
+/**
+ * @file
+ * Declaration of a IBM memory trace format reader.
+ */
+#include <sstream>
+
+#include "cpu/trace/reader/ibm_reader.hh"
+#include "sim/builder.hh"
+#include "base/misc.hh" // for fatal
+
+using namespace std;
+
+IBMReader::IBMReader(const string &name, const string &filename)
+ : MemTraceReader(name)
+{
+ if (strcmp((filename.c_str() + filename.length() -3), ".gz") == 0) {
+ // Compressed file, need to use a pipe to gzip.
+ stringstream buf;
+ buf << "gzip -d -c " << filename << endl;
+ trace = popen(buf.str().c_str(), "r");
+ } else {
+ trace = fopen(filename.c_str(), "rb");
+ }
+ if (!trace) {
+ fatal("Can't open file %s", filename);
+ }
+}
+
+Tick
+IBMReader::getNextReq(MemReqPtr &req)
+{
+ MemReqPtr tmp_req;
+
+ int c = getc(trace);
+ if (c != EOF) {
+ tmp_req = new MemReq();
+ //int cpu_id = (c & 0xf0) >> 4;
+ int type = c & 0x0f;
+ // We have L1 miss traces, so all accesses are 128 bytes
+ tmp_req->size = 128;
+
+ tmp_req->paddr = 0;
+ for (int i = 2; i >= 0; --i) {
+ c = getc(trace);
+ if (c == EOF) {
+ fatal("Unexpected end of file");
+ }
+ tmp_req->paddr |= ((c & 0xff) << (8 * i));
+ }
+ tmp_req->paddr = tmp_req->paddr << 7;
+
+ switch(type) {
+ case IBM_COND_EXCLUSIVE_FETCH:
+ case IBM_READ_ONLY_FETCH:
+ tmp_req->cmd = Read;
+ break;
+ case IBM_EXCLUSIVE_FETCH:
+ case IBM_FETCH_NO_DATA:
+ tmp_req->cmd = Write;
+ break;
+ case IBM_INST_FETCH:
+ tmp_req->cmd = Read;
+ break;
+ default:
+ fatal("Unknown trace entry type.");
+ }
+
+ }
+ req = tmp_req;
+ return 0;
+}
+
+BEGIN_DECLARE_SIM_OBJECT_PARAMS(IBMReader)
+
+ Param<string> filename;
+
+END_DECLARE_SIM_OBJECT_PARAMS(IBMReader)
+
+
+BEGIN_INIT_SIM_OBJECT_PARAMS(IBMReader)
+
+ INIT_PARAM(filename, "trace file")
+
+END_INIT_SIM_OBJECT_PARAMS(IBMReader)
+
+
+CREATE_SIM_OBJECT(IBMReader)
+{
+ return new IBMReader(getInstanceName(), filename);
+}
+
+REGISTER_SIM_OBJECT("IBMReader", IBMReader)
--- /dev/null
+/*
+ * Copyright (c) 2003-2004 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.
+ */
+
+/**
+ * @file
+ * Definition of a IBM memory trace format reader.
+ */
+
+#ifndef __IBM_READER_HH__
+#define __IBM_READER_HH__
+
+#include <stdio.h>
+#include "cpu/trace/reader/mem_trace_reader.hh"
+#include "mem/mem_req.hh"
+
+/**
+ * A memory trace reader for the IBM memory trace format.
+ */
+class IBMReader : public MemTraceReader
+{
+ /** IBM trace file. */
+ FILE* trace;
+
+ enum IBMType {
+ IBM_INST_FETCH,
+ IBM_READ_ONLY_FETCH,
+ IBM_COND_EXCLUSIVE_FETCH,
+ IBM_EXCLUSIVE_FETCH,
+ IBM_FETCH_NO_DATA
+ };
+
+ public:
+ /**
+ * Construct an IBMReader.
+ */
+ IBMReader(const std::string &name, const std::string &filename);
+
+ /**
+ * Read the next request from the trace. Returns the request in the
+ * provided MemReqPtr and the cycle of the request in the return value.
+ * @param req Return the next request from the trace.
+ * @return IBM traces don't store timing information, return 0
+ */
+ virtual Tick getNextReq(MemReqPtr &req);
+};
+
+#endif //__IBM_READER_HH__
+
--- /dev/null
+/*
+ * Copyright (c) 2003-2004 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.
+ */
+
+/**
+ * @file
+ * Declaration of a Intel ITX memory trace format reader.
+ */
+#include <sstream>
+
+#include "cpu/trace/reader/itx_reader.hh"
+#include "sim/builder.hh"
+#include "base/misc.hh" // for fatal
+
+using namespace std;
+
+ITXReader::ITXReader(const string &name, const string &filename)
+ : MemTraceReader(name)
+{
+ if (strcmp((filename.c_str() + filename.length() -3), ".gz") == 0) {
+ // Compressed file, need to use a pipe to gzip.
+ stringstream buf;
+ buf << "gzip -d -c " << filename << endl;
+ trace = popen(buf.str().c_str(), "r");
+ } else {
+ trace = fopen(filename.c_str(), "rb");
+ }
+ if (!trace) {
+ fatal("Can't open file %s", filename);
+ }
+ traceFormat = 0;
+ int c;
+ for (int i = 0; i < 4; ++i) {
+ c = getc(trace);
+ if (c == EOF) {
+ fatal("Unexpected end of trace file.");
+ }
+ traceFormat |= (c & 0xff) << (8 * i);
+ }
+ if (traceFormat > 2)
+ fatal("Invalid trace format.");
+}
+
+Tick
+ITXReader::getNextReq(MemReqPtr &req)
+{
+ MemReqPtr tmp_req = new MemReq();
+ bool phys_val;
+ do {
+ int c = getc(trace);
+ if (c != EOF) {
+ // Decode first byte
+ // phys_val<1> | type <2:0> | size <3:0>
+ phys_val = c & 0x80;
+ tmp_req->size = (c & 0x0f) + 1;
+ int type = (c & 0x70) >> 4;
+
+ // Could be a compressed instruction entry, expand if necessary
+ if (type == ITXCodeComp) {
+ if (traceFormat != 2) {
+ fatal("Compressed code entry in non CompCode trace.");
+ }
+ if (!codeVirtValid) {
+ fatal("Corrupt CodeComp entry.");
+ }
+
+ tmp_req->vaddr = codeVirtAddr;
+ codeVirtAddr += tmp_req->size;
+ if (phys_val) {
+ if (!codePhysValid) {
+ fatal("Corrupt CodeComp entry.");
+ }
+ tmp_req->paddr = codePhysAddr;
+ if (((tmp_req->paddr & 0xfff) + tmp_req->size) & ~0xfff) {
+ // Crossed page boundary, next physical address is
+ // invalid
+ codePhysValid = false;
+ } else {
+ codePhysAddr += tmp_req->size;
+ }
+ } else {
+ codePhysValid = false;
+ }
+ type = ITXCode;
+ tmp_req->cmd = Read;
+ } else {
+ // Normal entry
+ tmp_req->vaddr = 0;
+ for (int i = 0; i < 4; ++i) {
+ c = getc(trace);
+ if (c == EOF) {
+ fatal("Unexpected end of trace file.");
+ }
+ tmp_req->vaddr |= (c & 0xff) << (8 * i);
+ }
+ if (type == ITXCode) {
+ codeVirtAddr = tmp_req->vaddr + tmp_req->size;
+ codeVirtValid = true;
+ }
+ tmp_req->paddr = 0;
+ if (phys_val) {
+ c = getc(trace);
+ if (c == EOF) {
+ fatal("Unexpected end of trace file.");
+ }
+ // Get the page offset from the virtual address.
+ tmp_req->paddr = tmp_req->vaddr & 0xfff;
+ tmp_req->paddr |= (c & 0xf0) << 8;
+ for (int i = 2; i < 4; ++i) {
+ c = getc(trace);
+ if (c == EOF) {
+ fatal("Unexpected end of trace file.");
+ }
+ tmp_req->paddr |= (c & 0xff) << (8 * i);
+ }
+ if (type == ITXCode) {
+ if (((tmp_req->paddr & 0xfff) + tmp_req->size)
+ & ~0xfff) {
+ // Crossing the page boundary, next physical
+ // address isn't valid
+ codePhysValid = false;
+ } else {
+ codePhysAddr = tmp_req->paddr + tmp_req->size;
+ codePhysValid = true;
+ }
+ }
+ } else if (type == ITXCode) {
+ codePhysValid = false;
+ }
+ switch(type) {
+ case ITXRead:
+ tmp_req->cmd = Read;
+ break;
+ case ITXWrite:
+ tmp_req->cmd = Write;
+ break;
+ case ITXCode:
+ tmp_req->cmd = Read;
+ break;
+ default:
+ fatal("Unknown ITX type");
+ }
+ }
+ } else {
+ // EOF need to return a null request
+ MemReqPtr null_req;
+ req = null_req;
+ return 0;
+ }
+ } while (!phys_val);
+ req = tmp_req;
+ return 0;
+}
+
+BEGIN_DECLARE_SIM_OBJECT_PARAMS(ITXReader)
+
+ Param<string> filename;
+
+END_DECLARE_SIM_OBJECT_PARAMS(ITXReader)
+
+
+BEGIN_INIT_SIM_OBJECT_PARAMS(ITXReader)
+
+ INIT_PARAM(filename, "trace file")
+
+END_INIT_SIM_OBJECT_PARAMS(ITXReader)
+
+
+CREATE_SIM_OBJECT(ITXReader)
+{
+ return new ITXReader(getInstanceName(), filename);
+}
+
+REGISTER_SIM_OBJECT("ITXReader", ITXReader)
--- /dev/null
+/*
+ * Copyright (c) 2003-2004 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.
+ */
+
+/**
+ * @file
+ * Definition of a Intel ITX memory trace format reader.
+ */
+
+#ifndef __ITX_READER_HH__
+#define __ITX_READER_HH__
+
+#include <stdio.h>
+
+#include "cpu/trace/reader/mem_trace_reader.hh"
+#include "mem/mem_req.hh"
+
+
+/**
+ * A memory trace reader for the Intel ITX memory trace format.
+ */
+class ITXReader : public MemTraceReader
+{
+ /** Trace file. */
+ FILE *trace;
+
+ bool codeVirtValid;
+ Addr codeVirtAddr;
+ bool codePhysValid;
+ Addr codePhysAddr;
+
+ int traceFormat;
+
+ enum ITXType {
+ ITXRead,
+ ITXWrite,
+ ITXWriteback,
+ ITXCode,
+ ITXCodeComp
+ };
+
+ public:
+ /**
+ * Construct an ITXReader.
+ */
+ ITXReader(const std::string &name, const std::string &filename);
+
+ /**
+ * Read the next request from the trace. Returns the request in the
+ * provided MemReqPtr and the cycle of the request in the return value.
+ * @param req Return the next request from the trace.
+ * @return ITX traces don't store timing information, return 0
+ */
+ virtual Tick getNextReq(MemReqPtr &req);
+};
+
+#endif //__ITX_READER_HH__
+
projects / gem5.git / commitdiff