Include ability to copy all misc regs.

arch/alpha/ev5.cc:
    Include function for the MiscRegFile to copy all of the Iprs from an ExecContext.
arch/alpha/isa_traits.hh:
    Include functions to copy MiscRegs from an ExecContext.
cpu/cpu_exec_context.cc:
    Be sure to copy all of the misc regs when copying all architectural state.

--HG--
extra : convert_revision : cb948b5ff141ea0f739a1016f98236bd2a512f76

2 files changed, 12 insertions, 0 deletions

diff --git a/arch/alpha/ev5.cc b/arch/alpha/ev5.cc
index ccdcf7502..019e83dd4 100644
--- a/arch/alpha/ev5.cc
+++ b/arch/alpha/ev5.cc
@@ -541,6 +541,14 @@ AlphaISA::MiscRegFile::setIpr(int idx, uint64_t val, ExecContext *xc)
     return NoFault;
 }
 
+void
+AlphaISA::MiscRegFile::copyIprs(ExecContext *xc)
+{
+    for (int i = IPR_Base_DepTag; i < NumInternalProcRegs; ++i) {
+        ipr[i] = xc->readMiscReg(i);
+    }
+}
+
 /**
  * Check for special simulator handling of specific PAL calls.
  * If return value is false, actual PAL call will be suppressed.
diff --git a/arch/alpha/isa_traits.hh b/arch/alpha/isa_traits.hh
index b719b12b0..8e1f21a35 100644
--- a/arch/alpha/isa_traits.hh
+++ b/arch/alpha/isa_traits.hh
@@ -169,6 +169,8 @@ extern const int reg_redir[NumIntRegs];
         Fault setRegWithEffect(int misc_reg, const MiscReg &val,
                                ExecContext *xc);
 
+        void copyMiscRegs(ExecContext *xc);
+
 #if FULL_SYSTEM
       protected:
         InternalProcReg ipr[NumInternalProcRegs]; // Internal processor regs
@@ -177,6 +179,8 @@ extern const int reg_redir[NumIntRegs];
         MiscReg readIpr(int idx, Fault &fault, ExecContext *xc);
 
         Fault setIpr(int idx, uint64_t val, ExecContext *xc);
+
+        void copyIprs(ExecContext *xc);
 #endif
         friend class RegFile;
     };