diff -r edde97a6ea7c -r 9bb72531ffd5 src/base/loader/elf_object.cc
--- a/src/base/loader/elf_object.cc	Sun Apr 18 21:33:59 2010 -0700
+++ b/src/base/loader/elf_object.cc	Wed Apr 28 19:24:20 2010 +0800
@@ -94,7 +94,11 @@
                 ehdr.e_ident[EI_CLASS] == ELFCLASS32) {
             arch = ObjectFile::I386;
         } else if (ehdr.e_ident[EI_CLASS] == ELFCLASS64) {
-            arch = ObjectFile::Alpha;
+        	// Dec. 2009, Gou Pengfei
+	    if ( ehdr.e_machine == EM_TRIPS ) {
+		arch = ObjectFile::Trips;
+	    } else
+                arch = ObjectFile::Alpha;
         } else if (ehdr.e_machine == EM_ARM) {
             arch = ObjectFile::Arm;
         } else if (ehdr.e_machine == EM_PPC &&
@@ -110,11 +114,13 @@
             fatal("The binary you're trying to load is compiled for 64-bit "
                   "Power. M5\n only supports 32-bit Power. Please "
                   "recompile your binary.\n");
-        } else {
+        }
+	else {
             warn("Unknown architecture: %d\n", ehdr.e_machine);
             arch = ObjectFile::UnknownArch;
         }
 
+
         //Detect the operating system
         switch (ehdr.e_ident[EI_OSABI])
         {
diff -r edde97a6ea7c -r 9bb72531ffd5 src/base/loader/object_file.hh
--- a/src/base/loader/object_file.hh	Sun Apr 18 21:33:59 2010 -0700
+++ b/src/base/loader/object_file.hh	Wed Apr 28 19:24:20 2010 +0800
@@ -53,7 +53,9 @@
         X86_64,
         I386,
         Arm,
-        Power
+        Power,
+        // Dec. 2009, Gou Pengfei
+        Trips
     };
 
     enum OpSys {