From 05098cf70b668b9eac91db71c5bd44765ee1e6d5 Mon Sep 17 00:00:00 2001
From: Iru Cai <mytbk920423@gmail.com>
Date: Tue, 2 Apr 2019 14:55:13 +0800
Subject: add taint map

---
 src/cpu/o3/regfile.cc | 5 +++++
 src/cpu/o3/regfile.hh | 5 +++++
 2 files changed, 10 insertions(+)

diff --git a/src/cpu/o3/regfile.cc b/src/cpu/o3/regfile.cc
index 2f41e2ac2..b3f1b1904 100644
--- a/src/cpu/o3/regfile.cc
+++ b/src/cpu/o3/regfile.cc
@@ -83,12 +83,14 @@ PhysRegFile::PhysRegFile(unsigned _numPhysicalIntRegs,
     // The initial batch of registers are the integer ones
     for (phys_reg = 0; phys_reg < numPhysicalIntRegs; phys_reg++) {
         intRegIds.emplace_back(IntRegClass, phys_reg, flat_reg_idx++);
+        intTaintMap.push_back(false);
     }
 
     // The next batch of the registers are the floating-point physical
     // registers; put them onto the floating-point free list.
     for (phys_reg = 0; phys_reg < numPhysicalFloatRegs; phys_reg++) {
         floatRegIds.emplace_back(FloatRegClass, phys_reg, flat_reg_idx++);
+        floatTaintMap.push_back(false);
     }
 
     // The next batch of the registers are the vector physical
@@ -96,6 +98,7 @@ PhysRegFile::PhysRegFile(unsigned _numPhysicalIntRegs,
     for (phys_reg = 0; phys_reg < numPhysicalVecRegs; phys_reg++) {
         vectorRegFile[phys_reg].zero();
         vecRegIds.emplace_back(VecRegClass, phys_reg, flat_reg_idx++);
+        vecTaintMap.push_back(false);
     }
     // The next batch of the registers are the vector element physical
     // registers; they refer to the same containers as the vector
@@ -112,11 +115,13 @@ PhysRegFile::PhysRegFile(unsigned _numPhysicalIntRegs,
     // registers; put them onto the condition-code free list.
     for (phys_reg = 0; phys_reg < numPhysicalCCRegs; phys_reg++) {
         ccRegIds.emplace_back(CCRegClass, phys_reg, flat_reg_idx++);
+        ccTaintMap.push_back(false);
     }
 
     // Misc regs have a fixed mapping but still need PhysRegIds.
     for (phys_reg = 0; phys_reg < TheISA::NumMiscRegs; phys_reg++) {
         miscRegIds.emplace_back(MiscRegClass, phys_reg, 0);
+        miscTaintMap.push_back(false);
     }
 }
 
diff --git a/src/cpu/o3/regfile.hh b/src/cpu/o3/regfile.hh
index 7feec933f..943df35b9 100644
--- a/src/cpu/o3/regfile.hh
+++ b/src/cpu/o3/regfile.hh
@@ -87,22 +87,27 @@ class PhysRegFile
     /** Integer register file. */
     std::vector<IntReg> intRegFile;
     std::vector<PhysRegId> intRegIds;
+    std::vector<bool> intTaintMap;
 
     /** Floating point register file. */
     std::vector<PhysFloatReg> floatRegFile;
     std::vector<PhysRegId> floatRegIds;
+    std::vector<bool> floatTaintMap;
 
     /** Vector register file. */
     std::vector<VecRegContainer> vectorRegFile;
     std::vector<PhysRegId> vecRegIds;
     std::vector<PhysRegId> vecElemIds;
+    std::vector<bool> vecTaintMap;
 
     /** Condition-code register file. */
     std::vector<CCReg> ccRegFile;
     std::vector<PhysRegId> ccRegIds;
+    std::vector<bool> ccTaintMap;
 
     /** Misc Reg Ids */
     std::vector<PhysRegId> miscRegIds;
+    std::vector<bool> miscTaintMap;
 
     /**
      * Number of physical general purpose registers
-- 
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