#include "arch/alpha/types.hh"
#include "arch/alpha/constants.hh"
-#include "base/misc.hh"
+#include "arch/alpha/registerfile.hh"
#include "config/full_system.hh"
#include "sim/host.hh"
-#include "sim/faults.hh"
-class ExecContext;
-class FastCPU;
-class FullCPU;
-class Checkpoint;
-
-class StaticInst;
class StaticInstPtr;
#if !FULL_SYSTEM
namespace AlphaISA
{
- typedef IntReg IntRegFile[NumIntRegs];
-
- typedef union {
- uint64_t q[NumFloatRegs]; // integer qword view
- double d[NumFloatRegs]; // double-precision floating point view
- } FloatRegFile;
-
// redirected register map, really only used for the full system case.
extern const int reg_redir[NumIntRegs];
#include "arch/alpha/isa_fullsys_traits.hh"
#endif
- class MiscRegFile {
- protected:
- uint64_t fpcr; // floating point condition codes
- uint64_t uniq; // process-unique register
- bool lock_flag; // lock flag for LL/SC
- Addr lock_addr; // lock address for LL/SC
-
- public:
- MiscReg readReg(int misc_reg);
-
- //These functions should be removed once the simplescalar cpu model
- //has been replaced.
- int getInstAsid();
- int getDataAsid();
-
- MiscReg readRegWithEffect(int misc_reg, Fault &fault, ExecContext *xc);
-
- Fault setReg(int misc_reg, const MiscReg &val);
-
- Fault setRegWithEffect(int misc_reg, const MiscReg &val,
- ExecContext *xc);
-
- void copyMiscRegs(ExecContext *xc);
-
-#if FULL_SYSTEM
- protected:
- typedef uint64_t InternalProcReg;
-
- InternalProcReg ipr[NumInternalProcRegs]; // Internal processor regs
-
- private:
- InternalProcReg readIpr(int idx, Fault &fault, ExecContext *xc);
-
- Fault setIpr(int idx, InternalProcReg val, ExecContext *xc);
-
- void copyIprs(ExecContext *xc);
-#endif
- friend class RegFile;
- };
-
- struct RegFile {
- IntRegFile intRegFile; // (signed) integer register file
- FloatRegFile floatRegFile; // floating point register file
- MiscRegFile miscRegs; // control register file
- Addr pc; // program counter
- Addr npc; // next-cycle program counter
- Addr nnpc;
-
-#if FULL_SYSTEM
- int intrflag; // interrupt flag
- inline int instAsid()
- { return miscRegs.getInstAsid(); }
- inline int dataAsid()
- { return miscRegs.getDataAsid(); }
-#endif // FULL_SYSTEM
-
- void serialize(std::ostream &os);
- void unserialize(Checkpoint *cp, const std::string §ion);
- };
-
- static inline ExtMachInst makeExtMI(MachInst inst, const uint64_t &pc);
StaticInstPtr decodeInst(ExtMachInst);
- static inline bool isCallerSaveIntegerRegister(unsigned int reg) {
- panic("register classification not implemented");
- return (reg >= 1 && reg <= 8 || reg >= 22 && reg <= 25 || reg == 27);
- }
-
- static inline bool isCalleeSaveIntegerRegister(unsigned int reg) {
- panic("register classification not implemented");
- return (reg >= 9 && reg <= 15);
- }
-
- static inline bool isCallerSaveFloatRegister(unsigned int reg) {
- panic("register classification not implemented");
- return false;
- }
-
- static inline bool isCalleeSaveFloatRegister(unsigned int reg) {
- panic("register classification not implemented");
- return false;
- }
-
- static inline Addr alignAddress(const Addr &addr,
- unsigned int nbytes) {
- return (addr & ~(nbytes - 1));
- }
-
- // Instruction address compression hooks
- static inline Addr realPCToFetchPC(const Addr &addr) {
- return addr;
- }
-
- static inline Addr fetchPCToRealPC(const Addr &addr) {
- return addr;
- }
-
- // the size of "fetched" instructions (not necessarily the size
- // of real instructions for PISA)
- static inline size_t fetchInstSize() {
- return sizeof(MachInst);
- }
-
- static inline MachInst makeRegisterCopy(int dest, int src) {
- panic("makeRegisterCopy not implemented");
- return 0;
- }
-
- // Machine operations
-
- void saveMachineReg(AnyReg &savereg, const RegFile ®_file,
- int regnum);
-
- void restoreMachineReg(RegFile ®s, const AnyReg ®,
- int regnum);
-
- /**
- * Function to insure ISA semantics about 0 registers.
- * @param xc The execution context.
- */
- template <class XC>
- void zeroRegisters(XC *xc);
-
#if !FULL_SYSTEM
static inline void setSyscallReturn(SyscallReturn return_value, RegFile *regs)
{
#endif
};
-static inline AlphaISA::ExtMachInst
-AlphaISA::makeExtMI(AlphaISA::MachInst inst, const uint64_t &pc) {
-#if FULL_SYSTEM
- AlphaISA::ExtMachInst ext_inst = inst;
- if (pc && 0x1)
- return ext_inst|=(static_cast<AlphaISA::ExtMachInst>(pc & 0x1) << 32);
- else
- return ext_inst;
-#else
- return AlphaISA::ExtMachInst(inst);
-#endif
-}
-
#endif // __ARCH_ALPHA_ISA_TRAITS_HH__