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, 15 insertions, 0 deletions

diff --git a/src/arch/mips/tlb.cc b/src/arch/mips/tlb.cc
index 001dc2cb7..18a29122c 100644
--- a/src/arch/mips/tlb.cc
+++ b/src/arch/mips/tlb.cc
@@ -58,6 +58,21 @@ using namespace MipsISA;
 
 #define MODE2MASK(X)                    (1 << (X))
 
+static inline mode_type
+getOperatingMode(MiscReg Stat)
+{
+    if((Stat & 0x10000006) != 0 || (Stat & 0x18) ==0) {
+        return mode_kernel;
+    } else if((Stat & 0x18) == 0x8) {
+        return mode_supervisor;
+    } else if((Stat & 0x18) == 0x10) {
+        return mode_user;
+    } else {
+        return mode_number;
+    }
+}
+
+
 TLB::TLB(const Params *p)
     : BaseTLB(p), size(p->size), nlu(0)
 {