Registers: Add a registers.hh file as an ISA switched header.

This file is for register indices, Num* constants, and register types.
copyRegs and copyMiscRegs were moved to utility.hh and utility.cc.

--HG--
rename : src/arch/alpha/regfile.hh => src/arch/alpha/registers.hh
rename : src/arch/arm/regfile.hh => src/arch/arm/registers.hh
rename : src/arch/mips/regfile.hh => src/arch/mips/registers.hh
rename : src/arch/sparc/regfile.hh => src/arch/sparc/registers.hh
rename : src/arch/x86/regfile.hh => src/arch/x86/registers.hh

1 files changed, 34 insertions, 0 deletions

diff --git a/src/arch/alpha/utility.cc b/src/arch/alpha/utility.cc
index 763da0d4f..c336a4fb3 100644
--- a/src/arch/alpha/utility.cc
+++ b/src/arch/alpha/utility.cc
@@ -61,5 +61,39 @@ getArgument(ThreadContext *tc, int number, bool fp)
 #endif
 }
 
+void
+copyRegs(ThreadContext *src, ThreadContext *dest)
+{
+    // First loop through the integer registers.
+    for (int i = 0; i < NumIntRegs; ++i)
+        dest->setIntReg(i, src->readIntReg(i));
+
+    // Then loop through the floating point registers.
+    for (int i = 0; i < NumFloatRegs; ++i)
+        dest->setFloatRegBits(i, src->readFloatRegBits(i));
+
+    // Copy misc. registers
+    copyMiscRegs(src, dest);
+
+    // Lastly copy PC/NPC
+    dest->setPC(src->readPC());
+    dest->setNextPC(src->readNextPC());
+}
+
+void
+copyMiscRegs(ThreadContext *src, ThreadContext *dest)
+{
+    dest->setMiscRegNoEffect(MISCREG_FPCR,
+        src->readMiscRegNoEffect(MISCREG_FPCR));
+    dest->setMiscRegNoEffect(MISCREG_UNIQ,
+        src->readMiscRegNoEffect(MISCREG_UNIQ));
+    dest->setMiscRegNoEffect(MISCREG_LOCKFLAG,
+        src->readMiscRegNoEffect(MISCREG_LOCKFLAG));
+    dest->setMiscRegNoEffect(MISCREG_LOCKADDR,
+        src->readMiscRegNoEffect(MISCREG_LOCKADDR));
+
+    copyIprs(src, dest);
+}
+
 } // namespace AlphaISA