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-rwxr-xr-xsrc/base/loader/hex_file.cc161
-rwxr-xr-xsrc/base/loader/hex_file.cc~162
-rwxr-xr-xsrc/base/loader/hex_file.hh77
-rw-r--r--src/base/loader/object_file.cc1
4 files changed, 401 insertions, 0 deletions
diff --git a/src/base/loader/hex_file.cc b/src/base/loader/hex_file.cc
new file mode 100755
index 000000000..1855ebe0c
--- /dev/null
+++ b/src/base/loader/hex_file.cc
@@ -0,0 +1,161 @@
+/*
+ * Copyright (c) 2007 MIPS Technologies, Inc.
+ * 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: Jaidev Patwardhan
+ */
+
+#include <list>
+#include <string>
+
+#include <sys/types.h>
+#include <sys/mman.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#include "base/cprintf.hh"
+#include "base/loader/hex_file.hh"
+#include "base/loader/symtab.hh"
+
+
+#include "mem/translating_port.hh"
+
+using namespace std;
+/* Load a Hex File into memory.
+ Currently only used with MIPS BARE_IRON mode.
+ A hex file consists of [Address Data] tuples that get directly loaded into
+ physical memory. The address specified is a word address (i.e., to get the byte address, shift left by 2)
+ The data is a full 32-bit hex value.
+*/
+HexFile::HexFile(const string _filename)
+ : filename(_filename)
+{
+ fp = fopen(filename.c_str(),"r");
+ if(fp == NULL)
+ {
+ panic("Unable to open %s\n",filename.c_str());
+ }
+
+}
+
+HexFile::~HexFile()
+{
+}
+
+
+bool
+HexFile::loadSections(Port *memPort, Addr addrMask)
+{
+ char Line[64];
+ Addr MemAddr;
+ uint32_t Data;
+ while(!feof(fp))
+ {
+ fgets(Line,64,fp);
+ parseLine(Line,&MemAddr,&Data);
+ // printf("Hex:%u\n",Data);
+
+ if(MemAddr != 0)
+ {
+ // Now, write to memory
+ memPort->writeBlob(MemAddr<<2,(uint8_t *)&Data,sizeof(Data));
+ }
+ }
+ return true;
+}
+void HexFile::parseLine(char *Str,Addr *A, uint32_t *D)
+{
+ int i=0;
+ bool Flag = false;
+ *A = 0;
+ *D = 0;
+ int Digit = 0;
+ unsigned Number = 0;
+ /* Skip white spaces */
+ while(Str[i] != '\0' && Str[i]==' ')
+ i++;
+
+ /* Ok, we're at some character...process things */
+ while(Str[i] != '\0')
+ {
+ if(Str[i]>='0' && Str[i]<='9')
+ {
+ Digit=Str[i]-'0';
+ }
+ else if(Str[i]>='a' && Str[i]<='f')
+ {
+ Digit=Str[i]-'a'+10;
+ }
+ else if(Str[i]>='A' && Str[i]<='F')
+ {
+ Digit=Str[i]-'A'+10;
+ }
+ else if(Str[i] == ' ' || Str[i]=='\n')
+ {
+ if(Number == 0)
+ return;
+ if(Flag == false)
+ {
+ *A = Number;
+ Number = 0;
+ Flag = true;
+ }
+ else
+ {
+ *D = Number;
+ return;
+ }
+ }
+ else
+ {
+ // Ok, we've encountered a non-hex character, cannot be a valid line, skip and return 0's
+ *A = 0;
+ *D = 0;
+ return;
+ }
+ Number<<=4;
+ Number+=Digit;
+ i++;
+
+ }
+ if(Flag != true)
+ {
+ *A = 0;
+ *D = 0;
+ }
+ else
+ *D = Number;
+
+}
+
+
+
+void
+HexFile::close()
+{
+ fclose(fp);
+}
diff --git a/src/base/loader/hex_file.cc~ b/src/base/loader/hex_file.cc~
new file mode 100755
index 000000000..54e3b1977
--- /dev/null
+++ b/src/base/loader/hex_file.cc~
@@ -0,0 +1,162 @@
+ /*
+ * Copyright (c) 2002, 2003, 2004
+ * The Regents of The University of Michigan
+ * All Rights Reserved
+ *
+ * This code is part of the M5 simulator.
+ *
+ * Permission is granted to use, copy, create derivative works and
+ * redistribute this software and such derivative works for any
+ * purpose, so long as the copyright notice above, this grant of
+ * permission, and the disclaimer below appear in all copies made; and
+ * so long as the name of The University of Michigan is not used in
+ * any advertising or publicity pertaining to the use or distribution
+ * of this software without specific, written prior authorization.
+ *
+ * THIS SOFTWARE IS PROVIDED AS IS, WITHOUT REPRESENTATION FROM THE
+ * UNIVERSITY OF MICHIGAN AS TO ITS FITNESS FOR ANY PURPOSE, AND
+ * WITHOUT WARRANTY BY THE UNIVERSITY OF MICHIGAN OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE. THE REGENTS OF THE UNIVERSITY OF MICHIGAN SHALL NOT BE
+ * LIABLE FOR ANY DAMAGES, INCLUDING DIRECT, SPECIAL, INDIRECT,
+ * INCIDENTAL, OR CONSEQUENTIAL DAMAGES, WITH RESPECT TO ANY CLAIM
+ * ARISING OUT OF OR IN CONNECTION WITH THE USE OF THE SOFTWARE, EVEN
+ * IF IT HAS BEEN OR IS HEREAFTER ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGES.
+ *
+ * Authors: Jaidev Patwardhan
+ *
+ */
+
+#include <list>
+#include <string>
+
+#include <sys/types.h>
+#include <sys/mman.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#include "base/cprintf.hh"
+#include "base/loader/hex_file.hh"
+#include "base/loader/symtab.hh"
+
+
+#include "mem/translating_port.hh"
+
+using namespace std;
+/* Load a Hex File into memory.
+ Currently only used with MIPS BARE_IRON mode.
+ A hex file consists of [Address Data] tuples that get directly loaded into
+ physical memory. The address specified is a word address (i.e., to get the byte address, shift left by 2)
+ The data is a full 32-bit hex value.
+*/
+HexFile::HexFile(const string _filename)
+ : filename(_filename)
+{
+ fp = fopen(filename.c_str(),"r");
+ if(fp == NULL)
+ {
+ fatal("Unable to open %s\n",filename.c_str());
+ }
+
+}
+
+HexFile::~HexFile()
+{
+}
+
+
+bool
+HexFile::loadSections(Port *memPort, Addr addrMask)
+{
+ char Line[64];
+ Addr MemAddr;
+ uint32_t Data;
+ while(!feof(fp))
+ {
+ fgets(Line,64,fp);
+ parseLine(Line,&MemAddr,&Data);
+ // printf("Hex:%u\n",Data);
+
+ if(MemAddr != 0)
+ {
+ // Now, write to memory
+ memPort->writeBlob(MemAddr<<2,(uint8_t *)&Data,sizeof(Data));
+ }
+ }
+ return true;
+}
+void HexFile::parseLine(char *Str,Addr *A, uint32_t *D)
+{
+ int i=0;
+ bool Flag = false;
+ *A = 0;
+ *D = 0;
+ int Digit = 0;
+ unsigned Number = 0;
+ /* Skip white spaces */
+ while(Str[i] != '\0' && Str[i]==' ')
+ i++;
+
+ /* Ok, we're at some character...process things */
+ while(Str[i] != '\0')
+ {
+ if(Str[i]>='0' && Str[i]<='9')
+ {
+ Digit=Str[i]-'0';
+ }
+ else if(Str[i]>='a' && Str[i]<='f')
+ {
+ Digit=Str[i]-'a'+10;
+ }
+ else if(Str[i]>='A' && Str[i]<='F')
+ {
+ Digit=Str[i]-'A'+10;
+ }
+ else if(Str[i] == ' ' || Str[i]=='\n')
+ {
+ if(Number == 0)
+ return;
+ if(Flag == false)
+ {
+ *A = Number;
+ Number = 0;
+ Flag = true;
+ }
+ else
+ {
+ *D = Number;
+ return;
+ }
+ }
+ else
+ {
+ // Ok, we've encountered a non-hex character, cannot be a valid line, skip and return 0's
+ *A = 0;
+ *D = 0;
+ return;
+ }
+ Number<<=4;
+ Number+=Digit;
+ i++;
+
+ }
+ if(Flag != true)
+ {
+ *A = 0;
+ *D = 0;
+ }
+ else
+ *D = Number;
+
+}
+
+
+
+void
+HexFile::close()
+{
+ fclose(fp);
+}
diff --git a/src/base/loader/hex_file.hh b/src/base/loader/hex_file.hh
new file mode 100755
index 000000000..1dbfd034f
--- /dev/null
+++ b/src/base/loader/hex_file.hh
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2002-2004 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.
+ *
+ * Authors: Jaidev Patwardhan
+ */
+
+#ifndef __HEX_FILE_HH__
+#define __HEX_FILE_HH__
+
+#include <limits>
+#include <string>
+
+#include "sim/host.hh" // for Addr
+#include <fstream>
+
+class Port;
+
+class HexFile
+{
+ public:
+
+
+ protected:
+ const std::string filename;
+ FILE *fp;
+
+ public:
+ virtual ~HexFile();
+ HexFile(const std::string _filename);
+
+ void close();
+
+ bool loadSections(Port *memPort, Addr addrMask =
+ std::numeric_limits<Addr>::max());
+
+ protected:
+
+ typedef struct {
+ Addr MemAddr;
+ uint32_t Data;
+ } HexLine;
+
+ Addr entry;
+ Addr globalPtr;
+
+ public:
+ void parseLine(char *,Addr *,uint32_t *);
+ Addr entryPoint() const { return entry; }
+ Addr globalPointer() const { return globalPtr; }
+
+};
+
+#endif // __HEX_FILE_HH__
diff --git a/src/base/loader/object_file.cc b/src/base/loader/object_file.cc
index 2273b6c4e..828a9a635 100644
--- a/src/base/loader/object_file.cc
+++ b/src/base/loader/object_file.cc
@@ -71,6 +71,7 @@ ObjectFile::loadSection(Section *sec, Port *memPort, Addr addrMask)
{
if (sec->size != 0) {
Addr addr = sec->baseAddr & addrMask;
+ warn("attempting load @ section addr: %#x", addr);
if (sec->fileImage) {
memPort->writeBlob(addr, sec->fileImage, sec->size);
}
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