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, 6 insertions, 0 deletions

diff --git a/src/arch/isa_parser.py b/src/arch/isa_parser.py
index 22baaf98e..4d522e18a 100755
--- a/src/arch/isa_parser.py
+++ b/src/arch/isa_parser.py
@@ -25,6 +25,7 @@
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #
 # Authors: Steve Reinhardt
+#          Korey Sewell
 
 import os
 import sys
@@ -1181,6 +1182,11 @@ class IntRegOperand(Operand):
         if (self.size == self.dflt_size):
             return '%s = xc->readIntReg(this, %d);\n' % \
                    (self.base_name, self.src_reg_idx)
+        elif (self.size > self.dflt_size):
+            int_reg_val = 'xc->readIntReg(this, %d)' % (self.src_reg_idx)
+            if (self.is_signed):
+                int_reg_val = 'sext<%d>(%s)' % (self.dflt_size, int_reg_val)
+            return '%s = %s;\n' % (self.base_name, int_reg_val)
         else:
             return '%s = bits(xc->readIntReg(this, %d), %d, 0);\n' % \
                    (self.base_name, self.src_reg_idx, self.size-1)