diff options
Diffstat (limited to 'src/cpu/trace/reader')
| -rw-r--r-- | src/cpu/trace/reader/ibm_reader.cc | 120 | ||||
| -rw-r--r-- | src/cpu/trace/reader/ibm_reader.hh | 73 | ||||
| -rw-r--r-- | src/cpu/trace/reader/itx_reader.cc | 206 | ||||
| -rw-r--r-- | src/cpu/trace/reader/itx_reader.hh | 84 | ||||
| -rw-r--r-- | src/cpu/trace/reader/m5_reader.cc | 97 | ||||
| -rw-r--r-- | src/cpu/trace/reader/m5_reader.hh | 67 | ||||
| -rw-r--r-- | src/cpu/trace/reader/mem_trace_reader.cc | 37 | ||||
| -rw-r--r-- | src/cpu/trace/reader/mem_trace_reader.hh | 57 |
8 files changed, 741 insertions, 0 deletions
diff --git a/src/cpu/trace/reader/ibm_reader.cc b/src/cpu/trace/reader/ibm_reader.cc new file mode 100644 index 000000000..420101b63 --- /dev/null +++ b/src/cpu/trace/reader/ibm_reader.cc @@ -0,0 +1,120 @@ +/* + * Copyright (c) 2004-2005 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. + */ + +/** + * @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) diff --git a/src/cpu/trace/reader/ibm_reader.hh b/src/cpu/trace/reader/ibm_reader.hh new file mode 100644 index 000000000..ce29206a2 --- /dev/null +++ b/src/cpu/trace/reader/ibm_reader.hh @@ -0,0 +1,73 @@ +/* + * Copyright (c) 2004-2005 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. + */ + +/** + * @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__ + diff --git a/src/cpu/trace/reader/itx_reader.cc b/src/cpu/trace/reader/itx_reader.cc new file mode 100644 index 000000000..39ba27393 --- /dev/null +++ b/src/cpu/trace/reader/itx_reader.cc @@ -0,0 +1,206 @@ +/* + * Copyright (c) 2004-2005 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. + */ + +/** + * @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; + } + assert(tmp_req->paddr >> 36 == 0); + } 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; + tmp_req->paddr |= (Addr)(c & 0x0f) << 32; + for (int i = 2; i < 4; ++i) { + c = getc(trace); + if (c == EOF) { + fatal("Unexpected end of trace file."); + } + tmp_req->paddr |= (Addr)(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; + } + } + assert(tmp_req->paddr >> 36 == 0); + } else if (type == ITXCode) { + codePhysValid = false; + } + switch(type) { + case ITXRead: + tmp_req->cmd = Read; + break; + case ITXWrite: + tmp_req->cmd = Write; + break; + case ITXWriteback: + tmp_req->cmd = Writeback; + break; + case ITXCode: + tmp_req->cmd = Read; + tmp_req->flags |= INST_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; + assert(!req || (req->paddr >> 36) == 0); + 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) diff --git a/src/cpu/trace/reader/itx_reader.hh b/src/cpu/trace/reader/itx_reader.hh new file mode 100644 index 000000000..a16a08085 --- /dev/null +++ b/src/cpu/trace/reader/itx_reader.hh @@ -0,0 +1,84 @@ +/* + * Copyright (c) 2004-2005 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. + */ + +/** + * @file + * Definition of a Intel ITX memory trace format reader. + */ + +#ifndef __ITX_READER_HH__ +#define __ITX_READER_HH__ + +#include <stdio.h> +#include <string> + +#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 +{ + private: + /** 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__ + diff --git a/src/cpu/trace/reader/m5_reader.cc b/src/cpu/trace/reader/m5_reader.cc new file mode 100644 index 000000000..ce44672f2 --- /dev/null +++ b/src/cpu/trace/reader/m5_reader.cc @@ -0,0 +1,97 @@ +/* + * Copyright (c) 2004-2005 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. + */ + +/** + * @file + * Declaration of a memory trace reader for a M5 memory trace. + */ + +#include "cpu/trace/reader/m5_reader.hh" +#include "mem/trace/m5_format.hh" +#include "mem/mem_cmd.hh" +#include "sim/builder.hh" + +using namespace std; + +M5Reader::M5Reader(const string &name, const string &filename) + : MemTraceReader(name) +{ + traceFile.open(filename.c_str(), ios::binary); +} + +Tick +M5Reader::getNextReq(MemReqPtr &req) +{ + M5Format ref; + + MemReqPtr tmp_req; + // Need to read EOF char before eof() will return true. + traceFile.read((char*) &ref, sizeof(ref)); + if (!traceFile.eof()) { + //traceFile.read((char*) &ref, sizeof(ref)); +#ifndef NDEBUG + int gcount = traceFile.gcount(); + assert(gcount != 0 || traceFile.eof()); + assert(gcount == sizeof(ref)); + assert(ref.cmd < 12); +#endif + tmp_req = new MemReq(); + tmp_req->paddr = ref.paddr; + tmp_req->asid = ref.asid; + // Assume asid == thread_num + tmp_req->thread_num = ref.asid; + tmp_req->cmd = (MemCmdEnum)ref.cmd; + tmp_req->size = ref.size; + tmp_req->dest = ref.dest; + } else { + ref.cycle = 0; + } + req = tmp_req; + return ref.cycle; +} + +BEGIN_DECLARE_SIM_OBJECT_PARAMS(M5Reader) + + Param<string> filename; + +END_DECLARE_SIM_OBJECT_PARAMS(M5Reader) + + +BEGIN_INIT_SIM_OBJECT_PARAMS(M5Reader) + + INIT_PARAM(filename, "trace file") + +END_INIT_SIM_OBJECT_PARAMS(M5Reader) + + +CREATE_SIM_OBJECT(M5Reader) +{ + return new M5Reader(getInstanceName(), filename); +} + +REGISTER_SIM_OBJECT("M5Reader", M5Reader) diff --git a/src/cpu/trace/reader/m5_reader.hh b/src/cpu/trace/reader/m5_reader.hh new file mode 100644 index 000000000..974a83ffa --- /dev/null +++ b/src/cpu/trace/reader/m5_reader.hh @@ -0,0 +1,67 @@ +/* + * Copyright (c) 2004-2005 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. + */ + +/** + * @file + * Definition of a memory trace reader for a M5 memory trace. + */ + +#ifndef __M5_READER_HH__ +#define __M5_READER_HH__ + +#include <fstream> + +#include "cpu/trace/reader/mem_trace_reader.hh" + +/** + * A memory trace reader for an M5 memory trace. @sa M5Writer. + */ +class M5Reader : public MemTraceReader +{ + /** The traceFile. */ + std::ifstream traceFile; + + std::string fn; + + public: + /** + * Construct an M5 memory trace reader. + */ + M5Reader(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 The cycle the reference was started. + */ + virtual Tick getNextReq(MemReqPtr &req); +}; + +#endif // __M5_READER_HH__ diff --git a/src/cpu/trace/reader/mem_trace_reader.cc b/src/cpu/trace/reader/mem_trace_reader.cc new file mode 100644 index 000000000..769f0be27 --- /dev/null +++ b/src/cpu/trace/reader/mem_trace_reader.cc @@ -0,0 +1,37 @@ +/* + * Copyright (c) 2004-2005 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. + */ + +/** + * @file + * SimObject Declaration of pure virtual MemTraceReader class. + */ + +#include "cpu/trace/reader/mem_trace_reader.hh" +#include "sim/param.hh" + +DEFINE_SIM_OBJECT_CLASS_NAME("MemTraceReader", MemTraceReader); diff --git a/src/cpu/trace/reader/mem_trace_reader.hh b/src/cpu/trace/reader/mem_trace_reader.hh new file mode 100644 index 000000000..b433cdbdd --- /dev/null +++ b/src/cpu/trace/reader/mem_trace_reader.hh @@ -0,0 +1,57 @@ +/* + * Copyright (c) 2004-2005 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. + */ + +/** + * Definitions for a pure virtual interface to a memory trace reader. + */ + +#ifndef __MEM_TRACE_READER_HH__ +#define __MEM_TRACE_READER_HH__ + +#include "sim/sim_object.hh" +#include "mem/mem_req.hh" // For MemReqPtr + +/** + * Pure virtual base class for memory trace readers. + */ +class MemTraceReader : public SimObject +{ + public: + /** Construct this MemoryTrace reader. */ + MemTraceReader(const std::string &name) : SimObject(name) {} + + /** + * 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 The cycle of the request, 0 if none in trace. + */ + virtual Tick getNextReq(MemReqPtr &req) = 0; +}; + +#endif //__MEM_TRACE_READER_HH__ |