Merging in a month of changes

src/arch/isa_parser.py:
    Sign extend bit if you read int reg that is greater than default size
src/arch/mips/SConscript:
src/arch/mips/faults.cc:
src/arch/mips/faults.hh:
src/arch/mips/isa/base.isa:
src/arch/mips/isa/bitfields.isa:
src/arch/mips/isa/decoder.isa:
src/arch/mips/isa/formats/basic.isa:
src/arch/mips/isa/formats/branch.isa:
src/arch/mips/isa/formats/formats.isa:
src/arch/mips/isa/formats/fp.isa:
src/arch/mips/isa/formats/int.isa:
src/arch/mips/isa/formats/mem.isa:
src/arch/mips/isa/formats/noop.isa:
src/arch/mips/isa/formats/tlbop.isa:
src/arch/mips/isa/formats/trap.isa:
src/arch/mips/isa/formats/unimp.isa:
src/arch/mips/isa/formats/unknown.isa:
src/arch/mips/isa/formats/util.isa:
src/arch/mips/isa/includes.isa:
src/arch/mips/isa/main.isa:
src/arch/mips/isa/operands.isa:
src/arch/mips/isa_traits.cc:
src/arch/mips/linux/process.cc:
src/arch/mips/linux/process.hh:
src/arch/mips/process.cc:
src/arch/mips/process.hh:
src/arch/mips/regfile/float_regfile.hh:
src/arch/mips/utility.hh:
    1 month of changes!
src/arch/mips/isa/formats/control.isa:
    control formats
src/arch/mips/isa/formats/mt.isa:
    mips mt format
src/arch/mips/utility.cc:
    utility functions

--HG--
extra : convert_revision : c1332cb5ce08b464b99fbf04f4a5cac312898784

1 files changed, 11 insertions, 12 deletions

diff --git a/src/arch/mips/process.cc b/src/arch/mips/process.cc
index bd7aa394e..6f2c88f69 100644
--- a/src/arch/mips/process.cc
+++ b/src/arch/mips/process.cc
@@ -27,6 +27,7 @@
  *
  * Authors: Gabe Black
  *          Ali Saidi
+ *          Korey Sewell
  */
 
 #include "arch/mips/isa_traits.hh"
@@ -56,7 +57,8 @@ MipsLiveProcess::create(const std::string &nm, System *system, int stdin_fd,
 
 
     if (objFile->getArch() != ObjectFile::Mips)
-        fatal("Object file does not match architecture.");
+        fatal("Object file does not match MIPS architecture.");
+
     switch (objFile->getOpSys()) {
       case ObjectFile::Linux:
         process = new MipsLinuxProcess(nm, objFile, system,
@@ -79,22 +81,19 @@ MipsLiveProcess::MipsLiveProcess(const std::string &nm, ObjectFile *objFile,
     : LiveProcess(nm, objFile, _system, stdin_fd, stdout_fd, stderr_fd,
         argv, envp)
 {
+    // Set up stack. On MIPS, stack starts at the top of kuseg
+    // user address space. MIPS stack grows down from here
+    stack_base = 0x7FFFFFFF;
 
-    // XXX all the below need to be updated for SPARC - Ali
+    // Set pointer for next thread stack.  Reserve 8M for main stack.
+    next_thread_stack_base = stack_base - (8 * 1024 * 1024);
+
+    // Set up break point (Top of Heap)
     brk_point = objFile->dataBase() + objFile->dataSize() + objFile->bssSize();
     brk_point = roundUp(brk_point, VMPageSize);
 
-    // Set up stack.  On Alpha, stack goes below text section.  This
-    // code should get moved to some architecture-specific spot.
-    stack_base = objFile->textBase() - (409600+4096);
-
-    // Set up region for mmaps.  Tru64 seems to start just above 0 and
-    // grow up from there.
+    // Set up region for mmaps. For now, start at bottom of kuseg space.
     mmap_start = mmap_end = 0x10000;
-
-    // Set pointer for next thread stack.  Reserve 8M for main stack.
-    next_thread_stack_base = stack_base - (8 * 1024 * 1024);
-
 }
 
 void