X86: Define a noop ExtMachInst.

[gem5.git] / src / arch / sparc / isa_traits.hh

diff --git a/src/arch/sparc/isa_traits.hh b/src/arch/sparc/isa_traits.hh
index 008f45bcd3fe9d2b72ad600b0c495d1b1f662c57..0a568ddbec1a8b7878eabc7f97fefa8ba923638b 100644 (file)
--- a/src/arch/sparc/isa_traits.hh
+++ b/src/arch/sparc/isa_traits.hh
@@ -26,6 +26,7 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  * Authors: Gabe Black
+ *          Ali Saidi
  */
 
 #ifndef __ARCH_SPARC_ISA_TRAITS_HH__
@@ -33,19 +34,16 @@
 
 #include "arch/sparc/types.hh"
 #include "arch/sparc/sparc_traits.hh"
+#include "base/types.hh"
 #include "config/full_system.hh"
 
 class StaticInstPtr;
 
 namespace BigEndianGuest {}
 
-#if FULL_SYSTEM
-#include "arch/sparc/isa_fullsys_traits.hh"
-#endif
-
 namespace SparcISA
 {
-    class RegFile;
+    const int MachineBytes = 8;
 
     //This makes sure the big endian versions of certain functions are used.
     using namespace BigEndianGuest;
@@ -56,44 +54,48 @@ namespace SparcISA
     // SPARC NOP (sethi %(hi(0), g0)
     const MachInst NoopMachInst = 0x01000000;
 
-    // These enumerate all the registers for dependence tracking.
-    enum DependenceTags {
-        FP_Base_DepTag = 33,
-        Ctrl_Base_DepTag = 97,
-    };
-
-    // semantically meaningful register indices
-    const int ZeroReg = 0;     // architecturally meaningful
-    // the rest of these depend on the ABI
-    const int StackPointerReg = 14;
-    const int ReturnAddressReg = 31; // post call, precall is 15
-    const int ReturnValueReg = 8; // Post return, 24 is pre-return.
-    const int FramePointerReg = 30;
-    const int ArgumentReg0 = 8;
-    const int ArgumentReg1 = 9;
-    const int ArgumentReg2 = 10;
-    const int ArgumentReg3 = 11;
-    const int ArgumentReg4 = 12;
-    const int ArgumentReg5 = 13;
-    // Some OS syscall use a second register (o1) to return a second value
-    const int SyscallPseudoReturnReg = ArgumentReg1;
-
-    //XXX These numbers are bogus
-    const int MaxInstSrcRegs = 8;
-    const int MaxInstDestRegs = 9;
-
     //8K. This value is implmentation specific; and should probably
     //be somewhere else.
     const int LogVMPageSize = 13;
     const int VMPageSize = (1 << LogVMPageSize);
 
+    // real address virtual mapping
+    // sort of like alpha super page, but less frequently used
+    const Addr SegKPMEnd  = ULL(0xfffffffc00000000);
+    const Addr SegKPMBase = ULL(0xfffffac000000000);
+
     //Why does both the previous set of constants and this one exist?
     const int PageShift = 13;
-    const int PageBytes = ULL(1) << PageShift;
+    const int PageBytes = 1ULL << PageShift;
 
     const int BranchPredAddrShiftAmt = 2;
 
     StaticInstPtr decodeInst(ExtMachInst);
+
+    /////////// TLB Stuff ////////////
+    const Addr StartVAddrHole = ULL(0x0000800000000000);
+    const Addr EndVAddrHole = ULL(0xFFFF7FFFFFFFFFFF);
+    const Addr VAddrAMask = ULL(0xFFFFFFFF);
+    const Addr PAddrImplMask = ULL(0x000000FFFFFFFFFF);
+    const Addr BytesInPageMask = ULL(0x1FFF);
+
+#if FULL_SYSTEM
+    enum InterruptTypes
+    {
+        IT_TRAP_LEVEL_ZERO,
+        IT_HINTP,
+        IT_INT_VEC,
+        IT_CPU_MONDO,
+        IT_DEV_MONDO,
+        IT_RES_ERROR,
+        IT_SOFT_INT,
+        NumInterruptTypes
+    };
+
+#endif
+
+// Memory accesses cannot be unaligned
+const bool HasUnalignedMemAcc = false;
 }
 
 #endif // __ARCH_SPARC_ISA_TRAITS_HH__