1 files changed, 162 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..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);
+}