Merge zizzer.eecs.umich.edu:/bk/newmem

into  ahchoo.blinky.homelinux.org:/home/gblack/m5/newmem

--HG--
extra : convert_revision : dcb1fc0c6252fb96a956640c6d7995679da725e5

3 files changed, 22 insertions, 3 deletions

diff --git a/src/base/bigint.hh b/src/base/bigint.hh
index aa60eeb04..d533e662a 100644
--- a/src/base/bigint.hh
+++ b/src/base/bigint.hh
@@ -42,9 +42,22 @@ struct m5_twin64_t {
     }
 };
 
+struct m5_twin32_t {
+    uint32_t a;
+    uint32_t b;
+    inline m5_twin32_t& operator=(const uint32_t x)
+    {
+        a = x;
+        b = x;
+        return *this;
+    }
+};
+
+
 // This is for twin loads (two 64 bit values), not 1 128 bit value (as far as
 // endian conversion is concerned!
 typedef m5_twin64_t Twin64_t;
+typedef m5_twin32_t Twin32_t;
 
 
 #endif // __BASE_BIGINT_HH__
diff --git a/src/base/loader/elf_object.cc b/src/base/loader/elf_object.cc
index d59affe85..b56dc5aa6 100644
--- a/src/base/loader/elf_object.cc
+++ b/src/base/loader/elf_object.cc
@@ -78,9 +78,14 @@ ElfObject::tryFile(const string &fname, int fd, size_t len, uint8_t *data)
         //just assume if it wasn't something else and it's 64 bit, that's
         //what it must be.
         if (ehdr.e_machine == EM_SPARC64 ||
-                ehdr.e_machine == EM_SPARC ||
+                (ehdr.e_machine == EM_SPARC &&
+                 ehdr.e_ident[EI_CLASS] == ELFCLASS64)||
                 ehdr.e_machine == EM_SPARCV9) {
-            arch = ObjectFile::SPARC;
+            arch = ObjectFile::SPARC64;
+        } else if (ehdr.e_machine == EM_SPARC32PLUS ||
+                        (ehdr.e_machine == EM_SPARC &&
+                         ehdr.e_ident[EI_CLASS] == ELFCLASS32)) {
+            arch = ObjectFile::SPARC32;
         } else if (ehdr.e_machine == EM_MIPS
                 && ehdr.e_ident[EI_CLASS] == ELFCLASS32) {
             arch = ObjectFile::Mips;
diff --git a/src/base/loader/object_file.hh b/src/base/loader/object_file.hh
index 18e6482be..49c7363e6 100644
--- a/src/base/loader/object_file.hh
+++ b/src/base/loader/object_file.hh
@@ -47,7 +47,8 @@ class ObjectFile
     enum Arch {
         UnknownArch,
         Alpha,
-        SPARC,
+        SPARC64,
+        SPARC32,
         Mips
     };