Merge m5.eecs.umich.edu:/bk/newmem
into ewok.(none):/home/gblack/m5/newmem arch/sparc/isa/decoder.isa: SCCS merged --HG-- extra : convert_revision : 460843b49bc96b3fbc5897828c23f9cf9b010ae0
This commit is contained in:
commit
1d741c48af
16 changed files with 1010 additions and 761 deletions
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@ -38,19 +38,6 @@ namespace AlphaISA
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typedef uint64_t ExtMachInst;
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typedef uint64_t ExtMachInst;
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typedef uint8_t RegIndex;
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typedef uint8_t RegIndex;
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// These enumerate all the registers for dependence tracking.
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enum DependenceTags {
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// 0..31 are the integer regs 0..31
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// 32..63 are the FP regs 0..31, i.e. use (reg + FP_Base_DepTag)
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FP_Base_DepTag = 40,
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Ctrl_Base_DepTag = 72,
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Fpcr_DepTag = 72, // floating point control register
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Uniq_DepTag = 73,
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Lock_Flag_DepTag = 74,
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Lock_Addr_DepTag = 75,
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IPR_Base_DepTag = 76
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};
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typedef uint64_t IntReg;
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typedef uint64_t IntReg;
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// floating point register file entry type
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// floating point register file entry type
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@ -89,10 +89,10 @@ TrapType IllegalInstruction::_trapType = 0x010;
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FaultPriority IllegalInstruction::_priority = 7;
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FaultPriority IllegalInstruction::_priority = 7;
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FaultStat IllegalInstruction::_count;
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FaultStat IllegalInstruction::_count;
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FaultName PrivelegedOpcode::_name = "priv_opcode";
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FaultName PrivilegedOpcode::_name = "priv_opcode";
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TrapType PrivelegedOpcode::_trapType = 0x011;
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TrapType PrivilegedOpcode::_trapType = 0x011;
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FaultPriority PrivelegedOpcode::_priority = 6;
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FaultPriority PrivilegedOpcode::_priority = 6;
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FaultStat PrivelegedOpcode::_count;
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FaultStat PrivilegedOpcode::_count;
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FaultName UnimplementedLDD::_name = "unimp_ldd";
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FaultName UnimplementedLDD::_name = "unimp_ldd";
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TrapType UnimplementedLDD::_trapType = 0x012;
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TrapType UnimplementedLDD::_trapType = 0x012;
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@ -159,10 +159,10 @@ TrapType STDFMemAddressNotAligned::_trapType = 0x036;
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FaultPriority STDFMemAddressNotAligned::_priority = 10;
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FaultPriority STDFMemAddressNotAligned::_priority = 10;
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FaultStat STDFMemAddressNotAligned::_count;
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FaultStat STDFMemAddressNotAligned::_count;
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FaultName PrivelegedAction::_name = "priv_action";
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FaultName PrivilegedAction::_name = "priv_action";
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TrapType PrivelegedAction::_trapType = 0x037;
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TrapType PrivilegedAction::_trapType = 0x037;
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FaultPriority PrivelegedAction::_priority = 11;
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FaultPriority PrivilegedAction::_priority = 11;
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FaultStat PrivelegedAction::_count;
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FaultStat PrivilegedAction::_count;
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FaultName LDQFMemAddressNotAligned::_name = "unalign_ldqf";
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FaultName LDQFMemAddressNotAligned::_name = "unalign_ldqf";
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TrapType LDQFMemAddressNotAligned::_trapType = 0x038;
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TrapType LDQFMemAddressNotAligned::_trapType = 0x038;
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@ -216,7 +216,7 @@ class IllegalInstruction : public SparcFault
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FaultStat & countStat() {return _count;}
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FaultStat & countStat() {return _count;}
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};
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};
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class PrivelegedOpcode : public SparcFault
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class PrivilegedOpcode : public SparcFault
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{
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{
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private:
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private:
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static FaultName _name;
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static FaultName _name;
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@ -412,7 +412,7 @@ class STDFMemAddressNotAligned : public SparcFault
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FaultStat & countStat() {return _count;}
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FaultStat & countStat() {return _count;}
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};
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};
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class PrivelegedAction : public SparcFault
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class PrivilegedAction : public SparcFault
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{
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{
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private:
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private:
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static FaultName _name;
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static FaultName _name;
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@ -48,6 +48,8 @@ output header {{
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std::string generateDisassembly(Addr pc,
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std::string generateDisassembly(Addr pc,
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const SymbolTable *symtab) const;
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const SymbolTable *symtab) const;
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void printReg(std::ostream &os, int reg) const;
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};
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};
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bool passesCondition(condCodes codes, condTest condition);
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bool passesCondition(condCodes codes, condTest condition);
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@ -55,6 +57,17 @@ output header {{
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output decoder {{
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output decoder {{
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void
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SparcStaticInst::printReg(std::ostream &os, int reg) const
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{
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if (reg < FP_Base_DepTag) {
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ccprintf(os, "r%d", reg);
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}
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else {
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ccprintf(os, "f%d", reg - FP_Base_DepTag);
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}
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}
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std::string SparcStaticInst::generateDisassembly(Addr pc,
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std::string SparcStaticInst::generateDisassembly(Addr pc,
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const SymbolTable *symtab) const
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const SymbolTable *symtab) const
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{
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{
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@ -124,6 +137,8 @@ output decoder {{
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case OverflowSet:
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case OverflowSet:
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return codes.v;
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return codes.v;
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}
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}
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panic("Tried testing condition nonexistant "
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"condition code %d", condition);
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}
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}
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}};
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}};
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File diff suppressed because it is too large
Load diff
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@ -5,12 +5,21 @@
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//Include the integerOp and integerOpCc format
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//Include the integerOp and integerOpCc format
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##include "m5/arch/sparc/isa/formats/integerop.isa"
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##include "m5/arch/sparc/isa/formats/integerop.isa"
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//Include the mem format
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//Include the memory format
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##include "m5/arch/sparc/isa/formats/mem.isa"
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##include "m5/arch/sparc/isa/formats/mem.isa"
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//Include the compare and swap format
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##include "m5/arch/sparc/isa/formats/cas.isa"
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//Include the trap format
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//Include the trap format
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##include "m5/arch/sparc/isa/formats/trap.isa"
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##include "m5/arch/sparc/isa/formats/trap.isa"
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//Include the "unknown" format
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##include "m5/arch/sparc/isa/formats/unknown.isa"
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//Include the priveleged mode format
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##include "m5/arch/sparc/isa/formats/priv.isa"
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//Include the branch format
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//Include the branch format
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##include "m5/arch/sparc/isa/formats/branch.isa"
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##include "m5/arch/sparc/isa/formats/branch.isa"
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@ -34,7 +34,6 @@ def template BranchExecute {{
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{
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{
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//Attempt to execute the instruction
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//Attempt to execute the instruction
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Fault fault = NoFault;
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Fault fault = NoFault;
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checkPriv;
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%(op_decl)s;
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%(op_decl)s;
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%(op_rd)s;
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%(op_rd)s;
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@ -57,6 +56,6 @@ def format Branch(code, *opt_flags) {{
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iop = InstObjParams(name, Name, 'SparcStaticInst', cblk, opt_flags)
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iop = InstObjParams(name, Name, 'SparcStaticInst', cblk, opt_flags)
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header_output = BasicDeclare.subst(iop)
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header_output = BasicDeclare.subst(iop)
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decoder_output = BasicConstructor.subst(iop)
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decoder_output = BasicConstructor.subst(iop)
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decode_block = BasicDecodeWithMnemonic.subst(iop)
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decode_block = BasicDecode.subst(iop)
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exec_output = BranchExecute.subst(iop)
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exec_output = BranchExecute.subst(iop)
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}};
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}};
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@ -11,13 +11,13 @@ output header {{
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{
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{
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protected:
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protected:
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// Constructor
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// Constructor
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IntegerOp(const char *mnem, MachInst _machInst, OpClass __opClass) :
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IntegerOp(const char *mnem, ExtMachInst _machInst, OpClass __opClass) :
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SparcStaticInst(mnem, _machInst, __opClass)
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SparcStaticInst(mnem, _machInst, __opClass)
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{
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{
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}
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}
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std::string generateDisassembly(Addr pc,
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std::string generateDisassembly(Addr pc,
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const SymbolTable *symtab) const;
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const SymbolTable *symtab) const;
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};
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};
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}};
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}};
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@ -25,49 +25,40 @@ output decoder {{
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std::string IntegerOp::generateDisassembly(Addr pc,
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std::string IntegerOp::generateDisassembly(Addr pc,
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const SymbolTable *symtab) const
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const SymbolTable *symtab) const
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{
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{
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return "Integer instruction\n";
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return "Integer instruction\n";
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}
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}
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}};
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}};
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def template IntegerExecute {{
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def template IntegerExecute {{
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Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, Trace::InstRecord *traceData) const
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Fault %(class_name)s::execute(%(CPU_exec_context)s *xc,
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Trace::InstRecord *traceData) const
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{
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{
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//These are set to constants when the execute method
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Fault fault;
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//is generated
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//These are set to constants when the execute method
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bool useCc = ;
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//is generated
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bool checkPriv = ;
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bool useCc = ;
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//Attempt to execute the instruction
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%(op_decl)s;
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try
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%(op_rd)s;
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{
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%(code)s;
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checkPriv;
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%(op_decl)s;
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//Write the resulting state to the execution context
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%(op_rd)s;
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if(fault == NoFault)
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%(code)s;
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{
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}
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//If we have an exception for some reason,
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//deal with it
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catch(SparcException except)
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{
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//Deal with exception
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return No_Fault;
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}
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//Write the resulting state to the execution context
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%(op_wb)s;
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%(op_wb)s;
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if(useCc)
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if(useCc)
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{
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{
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xc->regs.miscRegFile.ccrFields.iccFields.n = Rd & (1 << 63);
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CcrIccN = Rd & (1 << 63);
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xc->regs.miscRegFile.ccrFields.iccFields.z = (Rd == 0);
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CcrIccZ = (Rd == 0);
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xc->regs.miscRegFile.ccrFields.iccFields.v = ivValue;
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CcrIccV = ivValue;
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xc->regs.miscRegFile.ccrFields.iccFields.c = icValue;
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CcrIccC = icValue;
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xc->regs.miscRegFile.ccrFields.xccFields.n = Rd & (1 << 31);
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CcrXccN = Rd & (1 << 31);
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xc->regs.miscRegFile.ccrFields.xccFields.z = ((Rd & 0xFFFFFFFF) == 0);
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CcrXccZ = ((Rd & 0xFFFFFFFF) == 0);
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xc->regs.miscRegFile.ccrFields.xccFields.v = xvValue;
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CcrXccV = xvValue;
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xc->regs.miscRegFile.ccrFields.xccFields.c = xcValue;
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CcrXccC = xcValue;
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}
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}
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return No_Fault;
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}
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return fault;
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}
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}
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}};
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}};
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@ -75,19 +66,13 @@ def template IntegerExecute {{
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def format IntegerOp(code, *opt_flags) {{
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def format IntegerOp(code, *opt_flags) {{
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orig_code = code
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orig_code = code
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cblk = CodeBlock(code)
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cblk = CodeBlock(code)
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checkPriv = (code.find('checkPriv') != -1)
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code.replace('checkPriv', '')
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if checkPriv:
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code.replace('checkPriv;', 'if(!xc->regs.miscRegFile.pstateFields.priv) throw privileged_opcode;')
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else:
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code.replace('checkPriv;', '')
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for (marker, value) in (('ivValue', '0'), ('icValue', '0'),
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for (marker, value) in (('ivValue', '0'), ('icValue', '0'),
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('xvValue', '0'), ('xcValue', '0')):
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('xvValue', '0'), ('xcValue', '0')):
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code.replace(marker, value)
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code.replace(marker, value)
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iop = InstObjParams(name, Name, 'SparcStaticInst', cblk, opt_flags)
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iop = InstObjParams(name, Name, 'SparcStaticInst', cblk, opt_flags)
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header_output = BasicDeclare.subst(iop)
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header_output = BasicDeclare.subst(iop)
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decoder_output = BasicConstructor.subst(iop)
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decoder_output = BasicConstructor.subst(iop)
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decode_block = BasicDecodeWithMnemonic.subst(iop)
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decode_block = BasicDecode.subst(iop)
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exec_output = IntegerExecute.subst(iop)
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exec_output = IntegerExecute.subst(iop)
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}};
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}};
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@ -95,18 +80,12 @@ def format IntegerOp(code, *opt_flags) {{
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def format IntegerOpCc(code, icValue, ivValue, xcValue, xvValue, *opt_flags) {{
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def format IntegerOpCc(code, icValue, ivValue, xcValue, xvValue, *opt_flags) {{
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orig_code = code
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orig_code = code
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cblk = CodeBlock(code)
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cblk = CodeBlock(code)
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checkPriv = (code.find('checkPriv') != -1)
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code.replace('checkPriv', '')
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if checkPriv:
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code.replace('checkPriv;', 'if(!xc->regs.miscRegFile.pstateFields.priv) throw privileged_opcode;')
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else:
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code.replace('checkPriv;', '')
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for (marker, value) in (('ivValue', ivValue), ('icValue', icValue),
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for (marker, value) in (('ivValue', ivValue), ('icValue', icValue),
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('xvValue', xvValue), ('xcValue', xcValue)):
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('xvValue', xvValue), ('xcValue', xcValue)):
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code.replace(marker, value)
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code.replace(marker, value)
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iop = InstObjParams(name, Name, 'SparcStaticInst', cblk, opt_flags)
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iop = InstObjParams(name, Name, 'SparcStaticInst', cblk, opt_flags)
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header_output = BasicDeclare.subst(iop)
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header_output = BasicDeclare.subst(iop)
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decoder_output = BasicConstructor.subst(iop)
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decoder_output = BasicConstructor.subst(iop)
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decode_block = BasicDecodeWithMnemonic.subst(iop)
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decode_block = BasicDecode.subst(iop)
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exec_output = IntegerExecute.subst(iop)
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exec_output = IntegerExecute.subst(iop)
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}};
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}};
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@ -12,7 +12,7 @@ output header {{
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protected:
|
protected:
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||||||
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// Constructor
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// Constructor
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Mem(const char *mnem, MachInst _machInst, OpClass __opClass) :
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Mem(const char *mnem, ExtMachInst _machInst, OpClass __opClass) :
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SparcStaticInst(mnem, _machInst, __opClass)
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SparcStaticInst(mnem, _machInst, __opClass)
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{
|
{
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}
|
}
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@ -56,18 +56,7 @@ def format Mem(code, *opt_flags) {{
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iop = InstObjParams(name, Name, 'SparcStaticInst', cblk, opt_flags)
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iop = InstObjParams(name, Name, 'SparcStaticInst', cblk, opt_flags)
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header_output = BasicDeclare.subst(iop)
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header_output = BasicDeclare.subst(iop)
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decoder_output = BasicConstructor.subst(iop)
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decoder_output = BasicConstructor.subst(iop)
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decode_block = BasicDecodeWithMnemonic.subst(iop)
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decode_block = BasicDecode.subst(iop)
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exec_output = MemExecute.subst(iop)
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exec_output = MemExecute.subst(iop)
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exec_output.replace('ea_code', 'EA = I ? (R1 + SIMM13) : R1 + R2;');
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exec_output.replace('ea_code', 'EA = I ? (R1 + SIMM13) : R1 + R2;');
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}};
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}};
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def format Cas(code, *opt_flags) {{
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|
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orig_code = code
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cblk = CodeBlock(code)
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|
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iop = InstObjParams(name, Name, 'SparcStaticInst', cblk, opt_flags)
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|
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header_output = BasicDeclare.subst(iop)
|
|
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decoder_output = BasicConstructor.subst(iop)
|
|
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decode_block = BasicDecodeWithMnemonic.subst(iop)
|
|
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exec_output = MemExecute.subst(iop)
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|
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exec_output.replace('ea_code', 'EA = R1;');
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|
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}};
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|
|
|
@ -11,7 +11,7 @@ output header {{
|
||||||
{
|
{
|
||||||
protected:
|
protected:
|
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// Constructor
|
// Constructor
|
||||||
Noop(const char *mnem, MachInst _machInst, OpClass __opClass) :
|
Noop(const char *mnem, ExtMachInst _machInst, OpClass __opClass) :
|
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SparcStaticInst(mnem, _machInst, __opClass)
|
SparcStaticInst(mnem, _machInst, __opClass)
|
||||||
{
|
{
|
||||||
}
|
}
|
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|
@ -45,6 +45,6 @@ def format Noop(code, *opt_flags) {{
|
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iop = InstObjParams(name, Name, 'SparcStaticInst', cblk, opt_flags)
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iop = InstObjParams(name, Name, 'SparcStaticInst', cblk, opt_flags)
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header_output = BasicDeclare.subst(iop)
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header_output = BasicDeclare.subst(iop)
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||||||
decoder_output = BasicConstructor.subst(iop)
|
decoder_output = BasicConstructor.subst(iop)
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decode_block = BasicDecodeWithMnemonic.subst(iop)
|
decode_block = BasicDecode.subst(iop)
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exec_output = NoopExecute.subst(iop)
|
exec_output = NoopExecute.subst(iop)
|
||||||
}};
|
}};
|
||||||
|
|
172
arch/sparc/isa/formats/priv.isa
Normal file
172
arch/sparc/isa/formats/priv.isa
Normal file
|
@ -0,0 +1,172 @@
|
||||||
|
////////////////////////////////////////////////////////////////////
|
||||||
|
//
|
||||||
|
// Privelege mode instructions
|
||||||
|
//
|
||||||
|
|
||||||
|
output header {{
|
||||||
|
/**
|
||||||
|
* Base class for privelege mode operations.
|
||||||
|
*/
|
||||||
|
class Priv : public SparcStaticInst
|
||||||
|
{
|
||||||
|
protected:
|
||||||
|
// Constructor
|
||||||
|
Priv(const char *mnem, ExtMachInst _machInst, OpClass __opClass) :
|
||||||
|
SparcStaticInst(mnem, _machInst, __opClass)
|
||||||
|
{
|
||||||
|
}
|
||||||
|
|
||||||
|
std::string generateDisassembly(Addr pc,
|
||||||
|
const SymbolTable *symtab) const;
|
||||||
|
};
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Base class for user mode "tick" access.
|
||||||
|
*/
|
||||||
|
class PrivTick : public SparcStaticInst
|
||||||
|
{
|
||||||
|
protected:
|
||||||
|
// Constructor
|
||||||
|
PrivTick(const char *mnem, ExtMachInst _machInst,
|
||||||
|
OpClass __opClass) :
|
||||||
|
SparcStaticInst(mnem, _machInst, __opClass)
|
||||||
|
{
|
||||||
|
}
|
||||||
|
|
||||||
|
std::string generateDisassembly(Addr pc,
|
||||||
|
const SymbolTable *symtab) const;
|
||||||
|
};
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Base class for privelege mode operations with immediates.
|
||||||
|
*/
|
||||||
|
class PrivImm : public Priv
|
||||||
|
{
|
||||||
|
protected:
|
||||||
|
// Constructor
|
||||||
|
PrivImm(const char *mnem, ExtMachInst _machInst,
|
||||||
|
OpClass __opClass) :
|
||||||
|
Priv(mnem, _machInst, __opClass), imm(SIMM13)
|
||||||
|
{
|
||||||
|
}
|
||||||
|
|
||||||
|
uint32_t imm;
|
||||||
|
};
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Base class for user mode "tick" access with immediates.
|
||||||
|
*/
|
||||||
|
class PrivTickImm : public PrivTick
|
||||||
|
{
|
||||||
|
protected:
|
||||||
|
// Constructor
|
||||||
|
PrivTickImm(const char *mnem, ExtMachInst _machInst,
|
||||||
|
OpClass __opClass) :
|
||||||
|
PrivTick(mnem, _machInst, __opClass), imm(SIMM13)
|
||||||
|
{
|
||||||
|
}
|
||||||
|
|
||||||
|
uint32_t imm;
|
||||||
|
};
|
||||||
|
}};
|
||||||
|
|
||||||
|
output decoder {{
|
||||||
|
std::string Priv::generateDisassembly(Addr pc,
|
||||||
|
const SymbolTable *symtab) const
|
||||||
|
{
|
||||||
|
return "Privileged Instruction";
|
||||||
|
}
|
||||||
|
|
||||||
|
std::string PrivTick::generateDisassembly(Addr pc,
|
||||||
|
const SymbolTable *symtab) const
|
||||||
|
{
|
||||||
|
return "Regular access to Tick";
|
||||||
|
}
|
||||||
|
}};
|
||||||
|
|
||||||
|
def template PrivExecute {{
|
||||||
|
Fault %(class_name)s::execute(%(CPU_exec_context)s *xc,
|
||||||
|
Trace::InstRecord *traceData) const
|
||||||
|
{
|
||||||
|
%(op_decl)s;
|
||||||
|
%(op_rd)s;
|
||||||
|
|
||||||
|
//If the processor isn't in privileged mode, fault out right away
|
||||||
|
if(!pstate_priv)
|
||||||
|
return new PrivilegedOpCode
|
||||||
|
|
||||||
|
%(code)s;
|
||||||
|
%(op_wb)s;
|
||||||
|
}
|
||||||
|
}};
|
||||||
|
|
||||||
|
def template PrivTickExecute {{
|
||||||
|
Fault %(class_name)s::execute(%(CPU_exec_context)s *xc,
|
||||||
|
Trace::InstRecord *traceData) const
|
||||||
|
{
|
||||||
|
%(op_decl)s;
|
||||||
|
%(op_rd)s;
|
||||||
|
|
||||||
|
//If the processor isn't in privileged mode, fault out right away
|
||||||
|
if(!pstate_priv && tick_npt)
|
||||||
|
return new PrivilegedAction
|
||||||
|
|
||||||
|
%(code)s;
|
||||||
|
%(op_wb)s;
|
||||||
|
}
|
||||||
|
}};
|
||||||
|
|
||||||
|
def template Rb2OrImm13Decode {{
|
||||||
|
{
|
||||||
|
return (I ? (SparcStaticInst *)(new %(class_name)sImm(machInst))
|
||||||
|
: (SparcStaticInst *)(new %(class_name)s(machInst)));
|
||||||
|
}
|
||||||
|
}};
|
||||||
|
|
||||||
|
// Primary format for integer operate instructions:
|
||||||
|
def format Priv(code, *opt_flags) {{
|
||||||
|
uses_imm = (code.find('Rs2_or_imm13') != -1)
|
||||||
|
if uses_imm:
|
||||||
|
orig_code = code
|
||||||
|
code = re.sub(r'Rs2_or_imm', 'Rs2', orig_code)
|
||||||
|
imm_code = re.sub(r'Rs2_or_imm(\.\w+)?', 'imm', orig_code)
|
||||||
|
cblk = CodeBlock(code)
|
||||||
|
iop = InstObjParams(name, Name, 'Priv', cblk, opt_flags)
|
||||||
|
header_output = BasicDeclare.subst(iop)
|
||||||
|
decoder_output = BasicConstructor.subst(iop)
|
||||||
|
exec_output = PrivExecute.subst(iop)
|
||||||
|
if uses_imm:
|
||||||
|
imm_cblk = CodeBlock(imm_code)
|
||||||
|
imm_iop = InstObjParams(name, Name + 'Imm', 'PrivImm', imm_cblk,
|
||||||
|
opt_flags)
|
||||||
|
header_output += BasicDeclare.subst(imm_iop)
|
||||||
|
decoder_output += BasicConstructor.subst(imm_iop)
|
||||||
|
exec_output += PrivExecute.subst(imm_iop)
|
||||||
|
decode_block = Rb2OrImm13Decode.subst(iop)
|
||||||
|
else:
|
||||||
|
decode_block = BasicDecode.subst(iop)
|
||||||
|
}};
|
||||||
|
|
||||||
|
// Primary format for integer operate instructions:
|
||||||
|
def format PrivTick(code, *opt_flags) {{
|
||||||
|
uses_imm = (code.find('Rs2_or_imm13') != -1)
|
||||||
|
if uses_imm:
|
||||||
|
orig_code = code
|
||||||
|
code = re.sub(r'Rs2_or_imm', 'Rs2', orig_code)
|
||||||
|
imm_code = re.sub(r'Rs2_or_imm(\.\w+)?', 'imm', orig_code)
|
||||||
|
cblk = CodeBlock(code)
|
||||||
|
iop = InstObjParams(name, Name, 'PrivTick', cblk, opt_flags)
|
||||||
|
header_output = BasicDeclare.subst(iop)
|
||||||
|
decoder_output = BasicConstructor.subst(iop)
|
||||||
|
exec_output = PrivTickExecute.subst(iop)
|
||||||
|
if uses_imm:
|
||||||
|
imm_cblk = CodeBlock(imm_code)
|
||||||
|
imm_iop = InstObjParams(name, Name + 'Imm', 'PrivTickImm', imm_cblk,
|
||||||
|
opt_flags)
|
||||||
|
header_output += BasicDeclare.subst(imm_iop)
|
||||||
|
decoder_output += BasicConstructor.subst(imm_iop)
|
||||||
|
exec_output += PrivTickExecute.subst(imm_iop)
|
||||||
|
decode_block = Rb2OrImm13Decode.subst(iop)
|
||||||
|
else:
|
||||||
|
decode_block = BasicDecode.subst(iop)
|
||||||
|
}};
|
|
@ -5,14 +5,15 @@
|
||||||
|
|
||||||
output header {{
|
output header {{
|
||||||
/**
|
/**
|
||||||
* Base class for integer operations.
|
* Base class for trap instructions,
|
||||||
|
* or instructions that always fault.
|
||||||
*/
|
*/
|
||||||
class Trap : public SparcStaticInst
|
class Trap : public SparcStaticInst
|
||||||
{
|
{
|
||||||
protected:
|
protected:
|
||||||
|
|
||||||
// Constructor
|
// Constructor
|
||||||
Trap(const char *mnem, MachInst _machInst, OpClass __opClass) :
|
Trap(const char *mnem, ExtMachInst _machInst, OpClass __opClass) :
|
||||||
SparcStaticInst(mnem, _machInst, __opClass)
|
SparcStaticInst(mnem, _machInst, __opClass)
|
||||||
{
|
{
|
||||||
}
|
}
|
||||||
|
@ -34,18 +35,18 @@ def template TrapExecute {{
|
||||||
Fault %(class_name)s::execute(%(CPU_exec_context)s *xc,
|
Fault %(class_name)s::execute(%(CPU_exec_context)s *xc,
|
||||||
Trace::InstRecord *traceData) const
|
Trace::InstRecord *traceData) const
|
||||||
{
|
{
|
||||||
//TODO: set up a software fault and return it.
|
Fault fault = NoFault;
|
||||||
return NoFault;
|
%(code)s
|
||||||
|
return fault;
|
||||||
}
|
}
|
||||||
}};
|
}};
|
||||||
|
|
||||||
// Primary format for integer operate instructions:
|
|
||||||
def format Trap(code, *opt_flags) {{
|
def format Trap(code, *opt_flags) {{
|
||||||
orig_code = code
|
orig_code = code
|
||||||
cblk = CodeBlock(code)
|
cblk = CodeBlock(code)
|
||||||
iop = InstObjParams(name, Name, 'SparcStaticInst', cblk, opt_flags)
|
iop = InstObjParams(name, Name, 'SparcStaticInst', cblk, opt_flags)
|
||||||
header_output = BasicDeclare.subst(iop)
|
header_output = BasicDeclare.subst(iop)
|
||||||
decoder_output = BasicConstructor.subst(iop)
|
decoder_output = BasicConstructor.subst(iop)
|
||||||
decode_block = BasicDecodeWithMnemonic.subst(iop)
|
decode_block = BasicDecode.subst(iop)
|
||||||
exec_output = TrapExecute.subst(iop)
|
exec_output = TrapExecute.subst(iop)
|
||||||
}};
|
}};
|
||||||
|
|
46
arch/sparc/isa/formats/unknown.isa
Normal file
46
arch/sparc/isa/formats/unknown.isa
Normal file
|
@ -0,0 +1,46 @@
|
||||||
|
////////////////////////////////////////////////////////////////////
|
||||||
|
//
|
||||||
|
// Unknown instructions
|
||||||
|
//
|
||||||
|
|
||||||
|
output header {{
|
||||||
|
/**
|
||||||
|
* Class for Unknown/Illegal instructions
|
||||||
|
*/
|
||||||
|
class Unknown : public SparcStaticInst
|
||||||
|
{
|
||||||
|
public:
|
||||||
|
|
||||||
|
// Constructor
|
||||||
|
Unknown(ExtMachInst _machInst) :
|
||||||
|
SparcStaticInst("unknown", _machInst, No_OpClass)
|
||||||
|
{
|
||||||
|
}
|
||||||
|
|
||||||
|
%(BasicExecDeclare)s
|
||||||
|
|
||||||
|
std::string generateDisassembly(Addr pc,
|
||||||
|
const SymbolTable *symtab) const;
|
||||||
|
|
||||||
|
};
|
||||||
|
}};
|
||||||
|
|
||||||
|
output decoder {{
|
||||||
|
std::string Unknown::generateDisassembly(Addr pc,
|
||||||
|
const SymbolTable *symtab) const
|
||||||
|
{
|
||||||
|
return "Unknown instruction\n";
|
||||||
|
}
|
||||||
|
}};
|
||||||
|
|
||||||
|
output exec {{
|
||||||
|
Fault Unknown::execute(%(CPU_exec_context)s *xc,
|
||||||
|
Trace::InstRecord *traceData) const
|
||||||
|
{
|
||||||
|
return new IllegalInstruction;
|
||||||
|
}
|
||||||
|
}};
|
||||||
|
|
||||||
|
def format Unknown() {{
|
||||||
|
decode_block = 'return new Unknown(machInst);\n'
|
||||||
|
}};
|
|
@ -39,5 +39,7 @@ output exec {{
|
||||||
#include "cpu/base.hh"
|
#include "cpu/base.hh"
|
||||||
#include "cpu/exetrace.hh"
|
#include "cpu/exetrace.hh"
|
||||||
#include "sim/sim_exit.hh"
|
#include "sim/sim_exit.hh"
|
||||||
|
|
||||||
|
using namespace SparcISA;
|
||||||
}};
|
}};
|
||||||
|
|
||||||
|
|
|
@ -27,5 +27,84 @@ def operands {{
|
||||||
#'Runiq': ('ControlReg', 'uq', 'Uniq', None, 1),
|
#'Runiq': ('ControlReg', 'uq', 'Uniq', None, 1),
|
||||||
#'FPCR': ('ControlReg', 'uq', 'Fpcr', None, 1),
|
#'FPCR': ('ControlReg', 'uq', 'Fpcr', None, 1),
|
||||||
'R0': ('IntReg', 'udw', '0', None, 1),
|
'R0': ('IntReg', 'udw', '0', None, 1),
|
||||||
'R16': ('IntReg', 'udw', '16', None, 1)
|
'R16': ('IntReg', 'udw', '16', None, 1),
|
||||||
|
# Control registers
|
||||||
|
'Pstate': ('ControlReg', 'udw', 'MISCREG_PSTATE', None, 1),
|
||||||
|
'PstateAg': ('ControlReg', 'udw', 'MISCREG_PSTATE_AG', None, 2),
|
||||||
|
'PstateIe': ('ControlReg', 'udw', 'MISCREG_PSTATE_IE', None, 3),
|
||||||
|
'PstatePriv': ('ControlReg', 'udw', 'MISCREG_PSTATE_PRIV', None, 4),
|
||||||
|
'PstateAm': ('ControlReg', 'udw', 'MISCREG_PSTATE_AM', None, 5),
|
||||||
|
'PstatePef': ('ControlReg', 'udw', 'MISCREG_PSTATE_PEF', None, 6),
|
||||||
|
'PstateRed': ('ControlReg', 'udw', 'MISCREG_PSTATE_RED', None, 7),
|
||||||
|
'PstateMm': ('ControlReg', 'udw', 'MISCREG_PSTATE_MM', None, 8),
|
||||||
|
'PstateTle': ('ControlReg', 'udw', 'MISCREG_PSTATE_TLE', None, 9),
|
||||||
|
'PstateCle': ('ControlReg', 'udw', 'MISCREG_PSTATE_CLE', None, 10),
|
||||||
|
'Tba': ('ControlReg', 'udw', 'MISCREG_TBA', None, 11),
|
||||||
|
'Y': ('ControlReg', 'udw', 'MISCREG_Y', None, 12),
|
||||||
|
'YValue': ('ControlReg', 'udw', 'MISCREG_Y_VALUE', None, 13),
|
||||||
|
'Pil': ('ControlReg', 'udw', 'MISCREG_PIL', None, 14),
|
||||||
|
'Cwp': ('ControlReg', 'udw', 'MISCREG_CWP', None, 15),
|
||||||
|
#'Tt': ('ControlReg', 'udw', 'MISCREG_TT_BASE + tl', None, 16),
|
||||||
|
'Ccr': ('ControlReg', 'udw', 'MISCREG_CCR', None, 17),
|
||||||
|
'CcrIcc': ('ControlReg', 'udw', 'MISCREG_CCR_ICC', None, 18),
|
||||||
|
'CcrIccC': ('ControlReg', 'udw', 'MISCREG_CCR_ICC_C', None, 19),
|
||||||
|
'CcrIccV': ('ControlReg', 'udw', 'MISCREG_CCR_ICC_V', None, 20),
|
||||||
|
'CcrIccZ': ('ControlReg', 'udw', 'MISCREG_CCR_ICC_Z', None, 21),
|
||||||
|
'CcrIccN': ('ControlReg', 'udw', 'MISCREG_CCR_ICC_N', None, 22),
|
||||||
|
'CcrXcc': ('ControlReg', 'udw', 'MISCREG_CCR_XCC', None, 23),
|
||||||
|
'CcrXccC': ('ControlReg', 'udw', 'MISCREG_CCR_XCC_C', None, 22),
|
||||||
|
'CcrXccV': ('ControlReg', 'udw', 'MISCREG_CCR_XCC_V', None, 23),
|
||||||
|
'CcrXccZ': ('ControlReg', 'udw', 'MISCREG_CCR_XCC_Z', None, 24),
|
||||||
|
'CcrXccN': ('ControlReg', 'udw', 'MISCREG_XCC_N', None, 25),
|
||||||
|
'Asi': ('ControlReg', 'udw', 'MISCREG_ASI', None, 26),
|
||||||
|
'Tl': ('ControlReg', 'udw', 'MISCREG_TL', None, 27),
|
||||||
|
#'Tpc': ('ControlReg', 'udw', 'MISCREG_TPC', None, 28),
|
||||||
|
'Tick': ('ControlReg', 'udw', 'MISCREG_TICK', None, 29),
|
||||||
|
'TickCounter': ('ControlReg', 'udw', 'MISCREG_TICK_COUNTER', None, 32),
|
||||||
|
'TickNpt': ('ControlReg', 'udw', 'MISCREG_TICK_NPT', None, 33),
|
||||||
|
'Cansave': ('ControlReg', 'udw', 'MISCREG_CANSAVE', None, 34),
|
||||||
|
'Canrestore': ('ControlReg', 'udw', 'MISCREG_CANRESTORE', None, 35),
|
||||||
|
'Otherwin': ('ControlReg', 'udw', 'MISCREG_OTHERWIN', None, 36),
|
||||||
|
'Cleanwin': ('ControlReg', 'udw', 'MISCREG_CLEANWIN', None, 37),
|
||||||
|
'Wstate': ('ControlReg', 'udw', 'MISCREG_WSTATE', None, 38),
|
||||||
|
'WstateNormal': ('ControlReg', 'udw', 'MISCREG_WSTATE_NORMAL', None,39),
|
||||||
|
'WstateOther': ('ControlReg', 'udw', 'MISCREG_WSTATE_OTHER', None, 40),
|
||||||
|
'Ver': ('ControlReg', 'udw', 'MISCREG_VER', None, 41),
|
||||||
|
'VerMaxwin': ('ControlReg', 'udw', 'MISCREG_VER_MAXWIN', None, 42),
|
||||||
|
'VerMaxtl': ('ControlReg', 'udw', 'MISCREG_VER_MAXTL', None, 43),
|
||||||
|
'VerMask': ('ControlReg', 'udw', 'MISCREG_VER_MASK', None, 44),
|
||||||
|
'VerImpl': ('ControlReg', 'udw', 'MISCREG_VER_MASK', None, 45),
|
||||||
|
'VerManuf': ('ControlReg', 'udw', 'MISCREG_VER_MANUF', None, 46),
|
||||||
|
'Fsr': ('ControlReg', 'udw', 'MISCREG_FSR', None, 47),
|
||||||
|
'FsrCexc': ('ControlReg', 'udw', 'MISCREG_FSR_CEXC', None, 48),
|
||||||
|
'FsrCexcNxc': ('ControlReg', 'udw', 'MISCREG_FSR_CEXC_NXC', None, 49),
|
||||||
|
'FsrCexcDzc': ('ControlReg', 'udw', 'MISCREG_FSR_CEXC_DZC', None, 50),
|
||||||
|
'FsrCexcUfc': ('ControlReg', 'udw', 'MISCREG_FSR_CEXC_UFC', None, 51),
|
||||||
|
'FsrCexcOfc': ('ControlReg', 'udw', 'MISCREG_FSR_CEXC_OFC', None, 52),
|
||||||
|
'FsrCexcNvc': ('ControlReg', 'udw', 'MISCREG_FSR_CEXC_NVC', None, 53),
|
||||||
|
'FsrAexc': ('ControlReg', 'udw', 'MISCREG_FSR_AEXC', None, 54),
|
||||||
|
'FsrAexcNxc': ('ControlReg', 'udw', 'MISCREG_FSR_AEXC_NXC', None, 55),
|
||||||
|
'FsrAexcDzc': ('ControlReg', 'udw', 'MISCREG_FSR_AEXC_DZC', None, 56),
|
||||||
|
'FsrAexcUfc': ('ControlReg', 'udw', 'MISCREG_FSR_AEXC_UFC', None, 57),
|
||||||
|
'FsrAexcOfc': ('ControlReg', 'udw', 'MISCREG_FSR_AEXC_OFC', None, 58),
|
||||||
|
'FsrAexcNvc': ('ControlReg', 'udw', 'MISCREC_FSR_AEXC_NVC', None, 59),
|
||||||
|
'FsrFcc0': ('ControlReg', 'udw', 'MISCREG_FSR_FCC0', None, 60),
|
||||||
|
'FsrQne': ('ControlReg', 'udw', 'MISCREG_FSR_QNE', None, 61),
|
||||||
|
'FsrFtt': ('ControlReg', 'udw', 'MISCREG_FSR_FTT', None, 62),
|
||||||
|
'FsrVer': ('ControlReg', 'udw', 'MISCREG_FSR_VER', None, 63),
|
||||||
|
'FsrNs': ('ControlReg', 'udw', 'MISCREG_FSR_NS', None, 64),
|
||||||
|
'FsrTem': ('ControlReg', 'udw', 'MISCREG_FSR_TEM', None, 65),
|
||||||
|
'FsrTemNxm': ('ControlReg', 'udw', 'MISCREG_FSR_TEM_NXM', None, 66),
|
||||||
|
'FsrTemDzm': ('ControlReg', 'udw', 'MISCREG_FSR_TEM_DZM', None, 67),
|
||||||
|
'FsrTemUfm': ('ControlReg', 'udw', 'MISCREG_FSR_TEM_UFM', None, 68),
|
||||||
|
'FsrTemOfm': ('ControlReg', 'udw', 'MISCREG_FSR_TEM_OFM', None, 69),
|
||||||
|
'FsrTemNvm': ('ControlReg', 'udw', 'MISCREG_FSR_TEM_NVM', None, 70),
|
||||||
|
'FsrRd': ('ControlReg', 'udw', 'MISCREG_FSR_RD', None, 71),
|
||||||
|
'FsrFcc1': ('ControlReg', 'udw', 'MISCREG_FSR_FCC1', None, 72),
|
||||||
|
'FsrFcc2': ('ControlReg', 'udw', 'MISCREG_FSR_FCC2', None, 73),
|
||||||
|
'FsrFcc3': ('ControlReg', 'udw', 'MISCREG_FSR_FCC3', None, 74),
|
||||||
|
'Fprs': ('ControlReg', 'udw', 'MISCREG_FPRS', None, 75),
|
||||||
|
'FprsDl': ('ControlReg', 'udw', 'MISCREG_FPRS_DL', None, 76),
|
||||||
|
'FprsDu': ('ControlReg', 'udw', 'MISCREG_FPRS_DU', None, 77),
|
||||||
|
'FprsFef': ('ControlReg', 'udw', 'MISCREG_FPRS_FEF', None, 78)
|
||||||
}};
|
}};
|
||||||
|
|
|
@ -83,6 +83,15 @@ class SyscallReturn
|
||||||
|
|
||||||
namespace SparcISA
|
namespace SparcISA
|
||||||
{
|
{
|
||||||
|
|
||||||
|
// These enumerate all the registers for dependence tracking.
|
||||||
|
enum DependenceTags {
|
||||||
|
// 0..31 are the integer regs 0..31
|
||||||
|
// 32..63 are the FP regs 0..31, i.e. use (reg + FP_Base_DepTag)
|
||||||
|
FP_Base_DepTag = 32,
|
||||||
|
Ctrl_Base_DepTag = 96,
|
||||||
|
};
|
||||||
|
|
||||||
//This makes sure the big endian versions of certain functions are used.
|
//This makes sure the big endian versions of certain functions are used.
|
||||||
using namespace BigEndianGuest;
|
using namespace BigEndianGuest;
|
||||||
|
|
||||||
|
@ -142,7 +151,7 @@ namespace SparcISA
|
||||||
|
|
||||||
void unserialize(Checkpoint *cp, const std::string §ion);
|
void unserialize(Checkpoint *cp, const std::string §ion);
|
||||||
|
|
||||||
StaticInstPtr decodeInst(MachInst);
|
StaticInstPtr decodeInst(ExtMachInst);
|
||||||
|
|
||||||
// return a no-op instruction... used for instruction fetch faults
|
// return a no-op instruction... used for instruction fetch faults
|
||||||
extern const MachInst NoopMachInst;
|
extern const MachInst NoopMachInst;
|
||||||
|
|
Loading…
Reference in a new issue