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-rw-r--r--arch/sparc/isa_traits.hh845
1 files changed, 411 insertions, 434 deletions
diff --git a/arch/sparc/isa_traits.hh b/arch/sparc/isa_traits.hh
index 7dd49aed9..5a58bbaef 100644
--- a/arch/sparc/isa_traits.hh
+++ b/arch/sparc/isa_traits.hh
@@ -29,22 +29,24 @@
#ifndef __ARCH_SPARC_ISA_TRAITS_HH__
#define __ARCH_SPARC_ISA_TRAITS_HH__
-//This makes sure the big endian versions of certain functions are used.
-namespace BigEndianGuest {}
-using namespace BigEndianGuest;
-
#include "arch/sparc/faults.hh"
#include "base/misc.hh"
+#include "config/full_system.hh"
#include "sim/host.hh"
+//This makes sure the big endian versions of certain functions are used.
+namespace BigEndianGuest {}
+using namespace BigEndianGuest;
+
+class ExecContext;
class FastCPU;
//class FullCPU;
-//class Checkpoint;
+class Checkpoint;
#define TARGET_SPARC
-template <class ISA> class StaticInst;
-template <class ISA> class StaticInstPtr;
+class StaticInst;
+class StaticInstPtr;
//namespace EV5
//{
@@ -52,479 +54,454 @@ template <class ISA> class StaticInstPtr;
// int ITB_ASN_ASN(uint64_t reg);
//}
-class SPARCISA
+namespace SparcISA
{
- public:
+ typedef uint32_t MachInst;
+ typedef uint64_t Addr;
+ typedef uint8_t RegIndex;
- typedef uint32_t MachInst;
- typedef uint64_t Addr;
- typedef uint8_t RegIndex;
+ enum
+ {
+ MemoryEnd = 0xffffffffffffffffULL,
- enum
- {
- MemoryEnd = 0xffffffffffffffffULL,
+ NumFloatRegs = 32,
+ NumMiscRegs = 32,
- NumFloatRegs = 32,
- NumMiscRegs = 32,
+ MaxRegsOfAnyType = 32,
+ // Static instruction parameters
+ MaxInstSrcRegs = 3,
+ MaxInstDestRegs = 2,
- MaxRegsOfAnyType = 32,
- // Static instruction parameters
- MaxInstSrcRegs = 3,
- MaxInstDestRegs = 2,
+ // Maximum trap level
+ MaxTL = 4,
- // Maximum trap level
- MaxTL = 4
+ // semantically meaningful register indices
+ ZeroReg = 0 // architecturally meaningful
+ // the rest of these depend on the ABI
+ };
+ typedef uint64_t IntReg;
- // semantically meaningful register indices
- ZeroReg = 0, // architecturally meaningful
- // the rest of these depend on the ABI
- }
- typedef uint64_t IntReg;
-
- class IntRegFile
- {
+ class IntRegFile
+ {
private:
- //For right now, let's pretend the register file is static
- IntReg regs[32];
+ //For right now, let's pretend the register file is static
+ IntReg regs[32];
public:
- IntReg & operator [] (RegIndex index)
- {
- //Don't allow indexes outside of the 32 registers
- index &= 0x1F
- return regs[index];
- }
+ IntReg & operator [] (RegIndex index)
+ {
+ //Don't allow indexes outside of the 32 registers
+ index &= 0x1F;
+ return regs[index];
+ }
+ };
+
+ void serialize(std::ostream & os);
+
+ void unserialize(Checkpoint *cp, const std::string &section);
+
+ class FloatRegFile
+ {
+ private:
+ //By using the largest data type, we ensure everything
+ //is aligned correctly in memory
+ union
+ {
+ long double rawRegs[16];
+ uint64_t regDump[32];
};
-
- void inline serialize(std::ostream & os)
+ class QuadRegs
{
- SERIALIZE_ARRAY(regs, 32);
- }
-
- void inline unserialize(Checkpoint &*cp, const std::string &section)
+ private:
+ FloatRegFile * parent;
+ public:
+ QuadRegs(FloatRegFile * p) : parent(p) {;}
+ long double & operator [] (RegIndex index)
+ {
+ //Quad floats are index by the single
+ //precision register the start on,
+ //and only 16 should be accessed
+ index = (index >> 2) & 0xF;
+ return parent->rawRegs[index];
+ }
+ };
+ class DoubleRegs
{
- UNSERIALIZE_ARRAY(regs, 32);
- }
-
- class FloatRegFile
+ private:
+ FloatRegFile * parent;
+ public:
+ DoubleRegs(FloatRegFile * p) : parent(p) {;}
+ double & operator [] (RegIndex index)
+ {
+ //Double floats are index by the single
+ //precision register the start on,
+ //and only 32 should be accessed
+ index = (index >> 1) & 0x1F;
+ return ((double *)parent->rawRegs)[index];
+ }
+ };
+ class SingleRegs
{
- private:
- //By using the largest data type, we ensure everything
- //is aligned correctly in memory
- union
- {
- double double rawRegs[16];
- uint64_t regDump[32];
- };
- class QuadRegs
- {
- private:
- FloatRegFile * parent;
- public:
- QuadRegs(FloatRegFile * p) : parent(p) {;}
- double double & operator [] (RegIndex index)
- {
- //Quad floats are index by the single
- //precision register the start on,
- //and only 16 should be accessed
- index = (index >> 2) & 0xF;
- return parent->rawRegs[index];
- }
- };
- class DoubleRegs
- {
- private:
- FloatRegFile * parent;
- public:
- DoubleRegs(FloatRegFile * p) : parent(p) {;}
- double & operator [] (RegIndex index)
- {
- //Double floats are index by the single
- //precision register the start on,
- //and only 32 should be accessed
- index = (index >> 1) & 0x1F
- return ((double [])parent->rawRegs)[index];
- }
- }
- class SingleRegs
- {
- private:
- FloatRegFile * parent;
- public:
- SingleRegs(FloatRegFile * p) : parent(p) {;}
- double & operator [] (RegFile index)
- {
- //Only 32 single floats should be accessed
- index &= 0x1F
- return ((float [])parent->rawRegs)[index];
- }
- }
- public:
- void inline serialize(std::ostream & os)
- {
- SERIALIZE_ARRAY(regDump, 32);
- }
-
- void inline unserialize(Checkpoint &* cp, std::string & section)
- {
- UNSERIALIZE_ARRAY(regDump, 32);
- }
-
- QuadRegs quadRegs;
- DoubleRegs doubleRegs;
- SingleRegs singleRegs;
- FloatRegFile() : quadRegs(this), doubleRegs(this), singleRegs(this)
- {;}
+ private:
+ FloatRegFile * parent;
+ public:
+ SingleRegs(FloatRegFile * p) : parent(p) {;}
+ float & operator [] (RegIndex index)
+ {
+ //Only 32 single floats should be accessed
+ index &= 0x1F;
+ return ((float *)parent->rawRegs)[index];
+ }
};
-
- // control register file contents
- typedef uint64_t MiscReg;
- // The control registers, broken out into fields
- class MiscRegFile
+ public:
+ void serialize(std::ostream & os);
+
+ void unserialize(Checkpoint * cp, std::string & section);
+
+ QuadRegs quadRegs;
+ DoubleRegs doubleRegs;
+ SingleRegs singleRegs;
+ FloatRegFile() : quadRegs(this), doubleRegs(this), singleRegs(this)
+ {;}
+ };
+
+ // control register file contents
+ typedef uint64_t MiscReg;
+ // The control registers, broken out into fields
+ class MiscRegFile
+ {
+ public:
+ union
{
- public:
- union
- {
- uint16_t pstate; // Process State Register
- struct
- {
- uint16_t ag:1; // Alternate Globals
- uint16_t ie:1; // Interrupt enable
- uint16_t priv:1; // Privelege mode
- uint16_t am:1; // Address mask
- uint16_t pef:1; // PSTATE enable floating-point
- uint16_t red:1; // RED (reset, error, debug) state
- uint16_t mm:2; // Memory Model
- uint16_t tle:1; // Trap little-endian
- uint16_t cle:1; // Current little-endian
- } pstateFields;
- }
- uint64_t tba; // Trap Base Address
- union
- {
- uint64_t y; // Y (used in obsolete multiplication)
- struct
- {
- uint64_t value:32; // The actual value stored in y
- const uint64_t :32; // reserved bits
- } yFields;
- }
- uint8_t pil; // Process Interrupt Register
- uint8_t cwp; // Current Window Pointer
- uint16_t tt[MaxTL]; // Trap Type (Type of trap which occured on the previous level)
- union
- {
- uint8_t ccr; // Condition Code Register
- struct
- {
- union
- {
- uint8_t icc:4; // 32-bit condition codes
- struct
- {
- uint8_t c:1; // Carry
- uint8_t v:1; // Overflow
- uint8_t z:1; // Zero
- uint8_t n:1; // Negative
- } iccFields:4;
- } :4;
- union
- {
- uint8_t xcc:4; // 64-bit condition codes
- struct
- {
- uint8_t c:1; // Carry
- uint8_t v:1; // Overflow
- uint8_t z:1; // Zero
- uint8_t n:1; // Negative
- } xccFields:4;
- } :4;
- } ccrFields;
- }
- uint8_t asi; // Address Space Identifier
- uint8_t tl; // Trap Level
- uint64_t tpc[MaxTL]; // Trap Program Counter (value from previous trap level)
- uint64_t tnpc[MaxTL]; // Trap Next Program Counter (value from previous trap level)
- union
- {
- uint64_t tstate[MaxTL]; // Trap State
- struct
- {
- //Values are from previous trap level
- uint64_t cwp:5; // Current Window Pointer
- const uint64_t :2; // Reserved bits
- uint64_t pstate:10; // Process State
- const uint64_t :6; // Reserved bits
- uint64_t asi:8; // Address Space Identifier
- uint64_t ccr:8; // Condition Code Register
- } tstateFields[MaxTL];
- }
+ uint16_t pstate; // Process State Register
+ struct
+ {
+ uint16_t ag:1; // Alternate Globals
+ uint16_t ie:1; // Interrupt enable
+ uint16_t priv:1; // Privelege mode
+ uint16_t am:1; // Address mask
+ uint16_t pef:1; // PSTATE enable floating-point
+ uint16_t red:1; // RED (reset, error, debug) state
+ uint16_t mm:2; // Memory Model
+ uint16_t tle:1; // Trap little-endian
+ uint16_t cle:1; // Current little-endian
+ } pstateFields;
+ };
+ uint64_t tba; // Trap Base Address
+ union
+ {
+ uint64_t y; // Y (used in obsolete multiplication)
+ struct
+ {
+ uint64_t value:32; // The actual value stored in y
+ const uint64_t :32; // reserved bits
+ } yFields;
+ };
+ uint8_t pil; // Process Interrupt Register
+ uint8_t cwp; // Current Window Pointer
+ uint16_t tt[MaxTL]; // Trap Type (Type of trap which occured
+ // on the previous level)
+ union
+ {
+ uint8_t ccr; // Condition Code Register
+ struct
+ {
union
{
- uint64_t tick; // Hardware clock-tick counter
- struct
- {
- uint64_t counter:63; // Clock-tick count
- uint64_t npt:1; // Non-priveleged trap
- } tickFields;
- }
- uint8_t cansave; // Savable windows
- uint8_t canrestore; // Restorable windows
- uint8_t otherwin; // Other windows
- uint8_t cleanwin; // Clean windows
+ uint8_t icc:4; // 32-bit condition codes
+ struct
+ {
+ uint8_t c:1; // Carry
+ uint8_t v:1; // Overflow
+ uint8_t z:1; // Zero
+ uint8_t n:1; // Negative
+ } iccFields:4;
+ } :4;
union
{
- uint8_t wstate; // Window State
- struct
- {
- uint8_t normal:3; // Bits TT<4:2> are set to on a normal
- // register window trap
- uint8_t other:3; // Bits TT<4:2> are set to on an "otherwin"
- // register window trap
- } wstateFields;
- }
+ uint8_t xcc:4; // 64-bit condition codes
+ struct
+ {
+ uint8_t c:1; // Carry
+ uint8_t v:1; // Overflow
+ uint8_t z:1; // Zero
+ uint8_t n:1; // Negative
+ } xccFields:4;
+ } :4;
+ } ccrFields;
+ };
+ uint8_t asi; // Address Space Identifier
+ uint8_t tl; // Trap Level
+ uint64_t tpc[MaxTL]; // Trap Program Counter (value from
+ // previous trap level)
+ uint64_t tnpc[MaxTL]; // Trap Next Program Counter (value from
+ // previous trap level)
+ union
+ {
+ uint64_t tstate[MaxTL]; // Trap State
+ struct
+ {
+ //Values are from previous trap level
+ uint64_t cwp:5; // Current Window Pointer
+ const uint64_t :2; // Reserved bits
+ uint64_t pstate:10; // Process State
+ const uint64_t :6; // Reserved bits
+ uint64_t asi:8; // Address Space Identifier
+ uint64_t ccr:8; // Condition Code Register
+ } tstateFields[MaxTL];
+ };
+ union
+ {
+ uint64_t tick; // Hardware clock-tick counter
+ struct
+ {
+ uint64_t counter:63; // Clock-tick count
+ uint64_t npt:1; // Non-priveleged trap
+ } tickFields;
+ }
+ uint8_t cansave; // Savable windows
+ uint8_t canrestore; // Restorable windows
+ uint8_t otherwin; // Other windows
+ uint8_t cleanwin; // Clean windows
+ union
+ {
+ uint8_t wstate; // Window State
+ struct
+ {
+ uint8_t normal:3; // Bits TT<4:2> are set to on a normal
+ // register window trap
+ uint8_t other:3; // Bits TT<4:2> are set to on an "otherwin"
+ // register window trap
+ } wstateFields;
+ };
+ union
+ {
+ uint64_t ver; // Version
+ struct
+ {
+ uint64_t maxwin:5; // Max CWP value
+ const uint64_t :2; // Reserved bits
+ uint64_t maxtl:8; // Maximum trap level
+ const uint64_t :8; // Reserved bits
+ uint64_t mask:8; // Processor mask set revision number
+ uint64_t impl:16; // Implementation identification number
+ uint64_t manuf:16; // Manufacturer code
+ } verFields;
+ };
+ union
+ {
+ uint64_t fsr; // Floating-Point State Register
+ struct
+ {
union
{
- uint64_t ver; // Version
- struct
- {
- uint64_t maxwin:5; // Max CWP value
- const uint64_t :2; // Reserved bits
- uint64_t maxtl:8; // Maximum trap level
- const uint64_t :8; // Reserved bits
- uint64_t mask:8; // Processor mask set revision number
- uint64_t impl:16; // Implementation identification number
- uint64_t manuf:16; // Manufacturer code
- } verFields;
- }
+ uint64_t cexc:5; // Current excpetion
+ struct
+ {
+ uint64_t nxc:1; // Inexact
+ uint64_t dzc:1; // Divide by zero
+ uint64_t ufc:1; // Underflow
+ uint64_t ofc:1; // Overflow
+ uint64_t nvc:1; // Invalid operand
+ } cexecFields:5;
+ } :5;
union
{
- uint64_t fsr; // Floating-Point State Register
- struct
- {
- union
- {
- uint64_t cexc:5; // Current excpetion
- struct
- {
- uint64_t nxc:1; // Inexact
- uint64_t dzc:1; // Divide by zero
- uint64_t ufc:1; // Underflow
- uint64_t ofc:1; // Overflow
- uint64_t nvc:1; // Invalid operand
- } cexecFields:5;
- } :5;
- union
- {
- uint64_t aexc:5; // Accrued exception
- struct
- {
- uint64_t nxc:1; // Inexact
- uint64_t dzc:1; // Divide by zero
- uint64_t ufc:1; // Underflow
- uint64_t ofc:1; // Overflow
- uint64_t nvc:1; // Invalid operand
- } aexecFields:5;
- } :5;
- uint64_t fcc0:2; // Floating-Point condtion codes
- const uint64_t :1; // Reserved bits
- uint64_t qne:1; // Deferred trap queue not empty
- // with no queue, it should read 0
- uint64_t ftt:3; // Floating-Point trap type
- uint64_t ver:3; // Version (of the FPU)
- const uint64_t :2; // Reserved bits
- uint64_t ns:1; // Nonstandard floating point
- union
- {
- uint64_t tem:5; // Trap Enable Mask
- struct
- {
- uint64_t nxm:1; // Inexact
- uint64_t dzm:1; // Divide by zero
- uint64_t ufm:1; // Underflow
- uint64_t ofm:1; // Overflow
- uint64_t nvm:1; // Invalid operand
- } temFields:5;
- } :5;
- const uint64_t :2; // Reserved bits
- uint64_t rd:2; // Rounding direction
- uint64_t fcc1:2; // Floating-Point condition codes
- uint64_t fcc2:2; // Floating-Point condition codes
- uint64_t fcc3:2; // Floating-Point condition codes
- const uint64_t :26; // Reserved bits
- } fsrFields;
- }
+ uint64_t aexc:5; // Accrued exception
+ struct
+ {
+ uint64_t nxc:1; // Inexact
+ uint64_t dzc:1; // Divide by zero
+ uint64_t ufc:1; // Underflow
+ uint64_t ofc:1; // Overflow
+ uint64_t nvc:1; // Invalid operand
+ } aexecFields:5;
+ } :5;
+ uint64_t fcc0:2; // Floating-Point condtion codes
+ const uint64_t :1; // Reserved bits
+ uint64_t qne:1; // Deferred trap queue not empty
+ // with no queue, it should read 0
+ uint64_t ftt:3; // Floating-Point trap type
+ uint64_t ver:3; // Version (of the FPU)
+ const uint64_t :2; // Reserved bits
+ uint64_t ns:1; // Nonstandard floating point
union
{
- uint8_t fprs; // Floating-Point Register State
- struct
- {
- dl:1; // Dirty lower
- du:1; // Dirty upper
- fef:1; // FPRS enable floating-Point
- } fprsFields;
- };
-
- void serialize(std::ostream & os)
- {
- SERIALIZE_SCALAR(pstate);
- SERIAlIZE_SCALAR(tba);
- SERIALIZE_SCALAR(y);
- SERIALIZE_SCALAR(pil);
- SERIALIZE_SCALAR(cwp);
- SERIALIZE_ARRAY(tt, MaxTL);
- SERIALIZE_SCALAR(ccr);
- SERIALIZE_SCALAR(asi);
- SERIALIZE_SCALAR(tl);
- SERIALIZE_SCALAR(tpc);
- SERIALIZE_SCALAR(tnpc);
- SERIALIZE_ARRAY(tstate, MaxTL);
- SERIALIZE_SCALAR(tick);
- SERIALIZE_SCALAR(cansave);
- SERIALIZE_SCALAR(canrestore);
- SERIALIZE_SCALAR(otherwin);
- SERIALIZE_SCALAR(cleanwin);
- SERIALIZE_SCALAR(wstate);
- SERIALIZE_SCALAR(ver);
- SERIALIZE_SCALAR(fsr);
- SERIALIZE_SCALAR(fprs);
- }
-
- void unserialize(Checkpoint &* cp, std::string & section)
- {
- UNSERIALIZE_SCALAR(pstate);
- UNSERIAlIZE_SCALAR(tba);
- UNSERIALIZE_SCALAR(y);
- UNSERIALIZE_SCALAR(pil);
- UNSERIALIZE_SCALAR(cwp);
- UNSERIALIZE_ARRAY(tt, MaxTL);
- UNSERIALIZE_SCALAR(ccr);
- UNSERIALIZE_SCALAR(asi);
- UNSERIALIZE_SCALAR(tl);
- UNSERIALIZE_SCALAR(tpc);
- UNSERIALIZE_SCALAR(tnpc);
- UNSERIALIZE_ARRAY(tstate, MaxTL);
- UNSERIALIZE_SCALAR(tick);
- UNSERIALIZE_SCALAR(cansave);
- UNSERIALIZE_SCALAR(canrestore);
- UNSERIALIZE_SCALAR(otherwin);
- UNSERIALIZE_SCALAR(cleanwin);
- UNSERIALIZE_SCALAR(wstate);
- UNSERIALIZE_SCALAR(ver);
- UNSERIALIZE_SCALAR(fsr);
- UNSERIALIZE_SCALAR(fprs);
- }
- };
-
- typedef union
- {
- IntReg intreg;
- FloatReg fpreg;
- MiscReg ctrlreg;
- } AnyReg;
-
- struct RegFile
+ uint64_t tem:5; // Trap Enable Mask
+ struct
+ {
+ uint64_t nxm:1; // Inexact
+ uint64_t dzm:1; // Divide by zero
+ uint64_t ufm:1; // Underflow
+ uint64_t ofm:1; // Overflow
+ uint64_t nvm:1; // Invalid operand
+ } temFields:5;
+ } :5;
+ const uint64_t :2; // Reserved bits
+ uint64_t rd:2; // Rounding direction
+ uint64_t fcc1:2; // Floating-Point condition codes
+ uint64_t fcc2:2; // Floating-Point condition codes
+ uint64_t fcc3:2; // Floating-Point condition codes
+ const uint64_t :26; // Reserved bits
+ } fsrFields;
+ }
+ union
{
- IntRegFile intRegFile; // (signed) integer register file
- FloatRegFile floatRegFile; // floating point register file
- MiscRegFile miscRegFile; // control register file
-
- Addr pc; // Program Counter
- Addr npc; // Next Program Counter
-
- void serialize(std::ostream &os);
- void unserialize(Checkpoint *cp, const std::string &section);
+ uint8_t fprs; // Floating-Point Register State
+ struct
+ {
+ uint8_t dl:1; // Dirty lower
+ uint8_t du:1; // Dirty upper
+ fef:1; // FPRS enable floating-Point
+ } fprsFields;
};
- static StaticInstPtr<AlphaISA> decodeInst(MachInst);
-
- // return a no-op instruction... used for instruction fetch faults
- static const MachInst NoopMachInst;
-
- // Instruction address compression hooks
- static inline Addr realPCToFetchPC(const Addr &addr)
+ void serialize(std::ostream & os)
{
- return addr;
+ SERIALIZE_SCALAR(pstate);
+ SERIAlIZE_SCALAR(tba);
+ SERIALIZE_SCALAR(y);
+ SERIALIZE_SCALAR(pil);
+ SERIALIZE_SCALAR(cwp);
+ SERIALIZE_ARRAY(tt, MaxTL);
+ SERIALIZE_SCALAR(ccr);
+ SERIALIZE_SCALAR(asi);
+ SERIALIZE_SCALAR(tl);
+ SERIALIZE_SCALAR(tpc);
+ SERIALIZE_SCALAR(tnpc);
+ SERIALIZE_ARRAY(tstate, MaxTL);
+ SERIALIZE_SCALAR(tick);
+ SERIALIZE_SCALAR(cansave);
+ SERIALIZE_SCALAR(canrestore);
+ SERIALIZE_SCALAR(otherwin);
+ SERIALIZE_SCALAR(cleanwin);
+ SERIALIZE_SCALAR(wstate);
+ SERIALIZE_SCALAR(ver);
+ SERIALIZE_SCALAR(fsr);
+ SERIALIZE_SCALAR(fprs);
}
- static inline Addr fetchPCToRealPC(const Addr &addr)
+ void unserialize(Checkpoint &* cp, std::string & section)
{
- return addr;
+ UNSERIALIZE_SCALAR(pstate);
+ UNSERIAlIZE_SCALAR(tba);
+ UNSERIALIZE_SCALAR(y);
+ UNSERIALIZE_SCALAR(pil);
+ UNSERIALIZE_SCALAR(cwp);
+ UNSERIALIZE_ARRAY(tt, MaxTL);
+ UNSERIALIZE_SCALAR(ccr);
+ UNSERIALIZE_SCALAR(asi);
+ UNSERIALIZE_SCALAR(tl);
+ UNSERIALIZE_SCALAR(tpc);
+ UNSERIALIZE_SCALAR(tnpc);
+ UNSERIALIZE_ARRAY(tstate, MaxTL);
+ UNSERIALIZE_SCALAR(tick);
+ UNSERIALIZE_SCALAR(cansave);
+ UNSERIALIZE_SCALAR(canrestore);
+ UNSERIALIZE_SCALAR(otherwin);
+ UNSERIALIZE_SCALAR(cleanwin);
+ UNSERIALIZE_SCALAR(wstate);
+ UNSERIALIZE_SCALAR(ver);
+ UNSERIALIZE_SCALAR(fsr);
+ UNSERIALIZE_SCALAR(fprs);
}
-
- // the size of "fetched" instructions (not necessarily the size
- // of real instructions for PISA)
- static inline size_t fetchInstSize()
- {
- return sizeof(MachInst);
- }
-
- /**
- * Function to insure ISA semantics about 0 registers.
- * @param xc The execution context.
- */
- template <class XC>
- static void zeroRegisters(XC *xc);
+ };
+
+ typedef union
+ {
+ IntReg intreg;
+ FloatReg fpreg;
+ MiscReg ctrlreg;
+ } AnyReg;
+
+ struct RegFile
+ {
+ IntRegFile intRegFile; // (signed) integer register file
+ FloatRegFile floatRegFile; // floating point register file
+ MiscRegFile miscRegFile; // control register file
+
+ Addr pc; // Program Counter
+ Addr npc; // Next Program Counter
+
+ void serialize(std::ostream &os);
+ void unserialize(Checkpoint *cp, const std::string &section);
+ };
+
+ static StaticInstPtr decodeInst(MachInst);
+
+ // return a no-op instruction... used for instruction fetch faults
+ static const MachInst NoopMachInst;
+
+ // 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);
+ }
+
+ /**
+ * Function to insure ISA semantics about 0 registers.
+ * @param xc The execution context.
+ */
+ template <class XC>
+ static void zeroRegisters(XC *xc);
};
-
-typedef SPARCISA TheISA;
-
-typedef TheISA::MachInst MachInst;
-typedef TheISA::Addr Addr;
-typedef TheISA::RegIndex RegIndex;
-typedef TheISA::IntReg IntReg;
-typedef TheISA::IntRegFile IntRegFile;
-typedef TheISA::FloatReg FloatReg;
-typedef TheISA::FloatRegFile FloatRegFile;
-typedef TheISA::MiscReg MiscReg;
-typedef TheISA::MiscRegFile MiscRegFile;
-typedef TheISA::AnyReg AnyReg;
-typedef TheISA::RegFile RegFile;
-
const int VMPageSize = TheISA::VMPageSize;
const int LogVMPageSize = TheISA::LogVMPageSize;
const int ZeroReg = TheISA::ZeroReg;
const int BranchPredAddrShiftAmt = TheISA::BranchPredAddrShiftAmt;
const int MaxAddr = (Addr)-1;
-#ifndef FULL_SYSTEM
-class SyscallReturn {
- public:
- template <class T>
- SyscallReturn(T v, bool s)
- {
- retval = (uint64_t)v;
- success = s;
- }
-
- template <class T>
- SyscallReturn(T v)
- {
- success = (v >= 0);
- retval = (uint64_t)v;
- }
-
- ~SyscallReturn() {}
-
- SyscallReturn& operator=(const SyscallReturn& s) {
- retval = s.retval;
- success = s.success;
- return *this;
- }
-
- bool successful() { return success; }
- uint64_t value() { return retval; }
-
-
- private:
- uint64_t retval;
- bool success;
+#if !FULL_SYSTEM
+class SyscallReturn
+{
+ public:
+ template <class T>
+ SyscallReturn(T v, bool s)
+ {
+ retval = (uint64_t)v;
+ success = s;
+ }
+
+ template <class T>
+ SyscallReturn(T v)
+ {
+ success = (v >= 0);
+ retval = (uint64_t)v;
+ }
+
+ ~SyscallReturn() {}
+
+ SyscallReturn& operator=(const SyscallReturn& s)
+ {
+ retval = s.retval;
+ success = s.success;
+ return *this;
+ }
+
+ bool successful() { return success; }
+ uint64_t value() { return retval; }
+
+ private:
+ uint64_t retval;
+ bool success;
};
#endif
-#ifdef FULL_SYSTEM
+#if FULL_SYSTEM
#include "arch/alpha/ev5.hh"
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-07 20:13:21 +0000