From 789153dff64edcf046d800f231dffa6d66004ed5 Mon Sep 17 00:00:00 2001
From: Korey Sewell <ksewell@umich.edu>
Date: Thu, 15 Nov 2007 03:10:41 -0500
Subject: Get MIPS simple regression working. Take out unecessary functions
 "setShadowSet", "CacheOp"

--HG--
extra : convert_revision : a9ae8a7e62c27c2db16fd3cfa7a7f0bf5f0bf8ea
---
 src/arch/alpha/regfile.hh     |  3 ---
 src/arch/isa_parser.py        | 37 +++++++++++++++++++++++++++++++++++++
 src/arch/mips/faults.cc       |  2 +-
 src/arch/mips/isa/decoder.isa |  4 ++--
 4 files changed, 40 insertions(+), 6 deletions(-)

(limited to 'src/arch')

diff --git a/src/arch/alpha/regfile.hh b/src/arch/alpha/regfile.hh
index 8a150dc69..792a518fb 100644
--- a/src/arch/alpha/regfile.hh
+++ b/src/arch/alpha/regfile.hh
@@ -177,9 +177,6 @@ namespace AlphaISA
             intRegFile.setReg(intReg, val);
         }
 
-        void setShadowSet(int css)
-        { }
-
         void serialize(std::ostream &os);
         void unserialize(Checkpoint *cp, const std::string &section);
 
diff --git a/src/arch/isa_parser.py b/src/arch/isa_parser.py
index ef21f7ceb..bbdd95bb0 100755
--- a/src/arch/isa_parser.py
+++ b/src/arch/isa_parser.py
@@ -1235,6 +1235,9 @@ class Operand(object):
     def isControlReg(self):
         return 0
 
+    def isIControlReg(self):
+        return 0
+
     def getFlags(self):
         # note the empty slice '[:]' gives us a copy of self.flags[0]
         # instead of a reference to it
@@ -1610,6 +1613,8 @@ def buildOperandNameMap(userDict, lineno):
     global operandsWithExtRE
     operandsWithExtRE = re.compile(operandsWithExtREString, re.MULTILINE)
 
+maxInstSrcRegs = 0
+maxInstDestRegs = 0
 
 class OperandList:
 
@@ -1673,6 +1678,12 @@ class OperandList:
                 if self.memOperand:
                     error(0, "Code block has more than one memory operand.")
                 self.memOperand = op_desc
+        global maxInstSrcRegs
+        global maxInstDestRegs
+        if maxInstSrcRegs < self.numSrcRegs:
+            maxInstSrcRegs = self.numSrcRegs
+        if maxInstDestRegs < self.numDestRegs:
+            maxInstDestRegs = self.numDestRegs
         # now make a final pass to finalize op_desc fields that may depend
         # on the register enumeration
         for op_desc in self.items:
@@ -1892,6 +1903,22 @@ namespace %(namespace)s {
 %(decode_function)s
 '''
 
+max_inst_regs_template = '''
+/*
+ * DO NOT EDIT THIS FILE!!!
+ *
+ * It was automatically generated from the ISA description in %(filename)s
+ */
+
+namespace %(namespace)s {
+
+    const int MaxInstSrcRegs = %(MaxInstSrcRegs)d;
+    const int MaxInstDestRegs = %(MaxInstDestRegs)d;
+
+} // namespace %(namespace)s
+
+'''
+
 
 # Update the output file only if the new contents are different from
 # the current contents.  Minimizes the files that need to be rebuilt
@@ -1991,6 +2018,16 @@ def parse_isa_desc(isa_desc_file, output_dir):
         update_if_needed(output_dir + '/' + cpu.filename,
                           file_template % vars())
 
+    # The variable names here are hacky, but this will creat local variables
+    # which will be referenced in vars() which have the value of the globals.
+    global maxInstSrcRegs
+    MaxInstSrcRegs = maxInstSrcRegs
+    global maxInstDestRegs
+    MaxInstDestRegs = maxInstDestRegs
+    # max_inst_regs.hh
+    update_if_needed(output_dir + '/max_inst_regs.hh', \
+            max_inst_regs_template % vars())
+
 # global list of CpuModel objects (see cpu_models.py)
 cpu_models = []
 
diff --git a/src/arch/mips/faults.cc b/src/arch/mips/faults.cc
index 3e1cb69c9..b2778dcd0 100644
--- a/src/arch/mips/faults.cc
+++ b/src/arch/mips/faults.cc
@@ -196,7 +196,7 @@ void MipsFault::setExceptionState(ThreadContext *tc,uint8_t ExcCode)
       // Move ESS to CSS
       replaceBits(srs,SRSCtl_CSS_HI,SRSCtl_CSS_LO,ESS);
       tc->setMiscRegNoEffect(MipsISA::SRSCtl,srs);
-      tc->setShadowSet(ESS);
+      //tc->setShadowSet(ESS);
     }
 
   // set EXL bit (don't care if it is already set!)
diff --git a/src/arch/mips/isa/decoder.isa b/src/arch/mips/isa/decoder.isa
index eb1b0390a..9a2641138 100644
--- a/src/arch/mips/isa/decoder.isa
+++ b/src/arch/mips/isa/decoder.isa
@@ -652,7 +652,7 @@ decode OPCODE_HI default Unknown::unknown() {
                     Status_EXL = 0;
                     if(Config_AR >=1 && SRSCtl_HSS > 0 && Status_BEV == 0){
                       SRSCtl_CSS = SRSCtl_PSS;
-                      xc->setShadowSet(SRSCtl_PSS);
+                      //xc->setShadowSet(SRSCtl_PSS);
                     }
                   }
                   LLFlag = 0;
@@ -2086,7 +2086,7 @@ decode OPCODE_HI default Unknown::unknown() {
         format CP0Control {
             0x7: cache({{
                            Addr CacheEA = Rs.uw + OFFSET;
-                           fault = xc->CacheOp((uint8_t)CACHE_OP,(Addr) CacheEA);
+                           //fault = xc->CacheOp((uint8_t)CACHE_OP,(Addr) CacheEA);
                          }});
         }
     }
-- 
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