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-rw-r--r--arch/mips/isa/formats/basic.format65
-rw-r--r--arch/mips/isa/formats/branch.format66
-rw-r--r--arch/mips/isa/formats/fp.format110
-rw-r--r--arch/mips/isa/formats/int.format70
-rw-r--r--arch/mips/isa/formats/mem.format78
-rw-r--r--arch/mips/isa/formats/noop.format47
-rw-r--r--arch/mips/isa/formats/tlbop.format53
-rw-r--r--arch/mips/isa/formats/trap.format53
8 files changed, 542 insertions, 0 deletions
diff --git a/arch/mips/isa/formats/basic.format b/arch/mips/isa/formats/basic.format
new file mode 100644
index 000000000..8fba9845a
--- /dev/null
+++ b/arch/mips/isa/formats/basic.format
@@ -0,0 +1,65 @@
+
+// Declarations for execute() methods.
+def template BasicExecDeclare {{
+ Fault execute(%(CPU_exec_context)s *, Trace::InstRecord *) const;
+}};
+
+// Basic instruction class declaration template.
+def template BasicDeclare {{
+ /**
+ * Static instruction class for "%(mnemonic)s".
+ */
+ class %(class_name)s : public %(base_class)s
+ {
+ public:
+ /// Constructor.
+ %(class_name)s(MachInst machInst);
+ %(BasicExecDeclare)s
+ };
+}};
+
+// Basic instruction class constructor template.
+def template BasicConstructor {{
+ inline %(class_name)s::%(class_name)s(MachInst machInst) : %(base_class)s("%(mnemonic)s", machInst, %(op_class)s)
+ {
+ %(constructor)s;
+ }
+}};
+
+// Basic instruction class execute method template.
+def template BasicExecute {{
+ Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, Trace::InstRecord *traceData) const
+ {
+ Fault fault = No_Fault;
+
+ %(fp_enable_check)s;
+ %(op_decl)s;
+ %(op_rd)s;
+ %(code)s;
+
+ if(fault == No_Fault)
+ {
+ %(op_wb)s;
+ }
+ return fault;
+ }
+}};
+
+// Basic decode template.
+def template BasicDecode {{
+ return new %(class_name)s(machInst);
+}};
+
+// Basic decode template, passing mnemonic in as string arg to constructor.
+def template BasicDecodeWithMnemonic {{
+ return new %(class_name)s("%(mnemonic)s", machInst);
+}};
+
+// The most basic instruction format... used only for a few misc. insts
+def format BasicOperate(code, *flags) {{
+ iop = InstObjParams(name, Name, 'MipsStaticInst', CodeBlock(code), flags)
+ header_output = BasicDeclare.subst(iop)
+ decoder_output = BasicConstructor.subst(iop)
+ decode_block = BasicDecode.subst(iop)
+ exec_output = BasicExecute.subst(iop)
+}};
diff --git a/arch/mips/isa/formats/branch.format b/arch/mips/isa/formats/branch.format
new file mode 100644
index 000000000..5327f30e8
--- /dev/null
+++ b/arch/mips/isa/formats/branch.format
@@ -0,0 +1,66 @@
+////////////////////////////////////////////////////////////////////
+//
+// Branch instructions
+//
+
+output header {{
+ /**
+ * Base class for integer operations.
+ */
+ class Branch : public MipsStaticInst
+ {
+ protected:
+
+ /// Constructor
+ Branch(const char *mnem, MachInst _machInst, OpClass __opClass) : MipsStaticInst(mnem, _machInst, __opClass)
+ {
+ }
+
+ std::string generateDisassembly(Addr pc, const SymbolTable *symtab) const;
+ };
+}};
+
+output decoder {{
+ std::string Branch::generateDisassembly(Addr pc, const SymbolTable *symtab) const
+ {
+ return "Disassembly of integer instruction\n";
+ }
+}};
+
+def template BranchExecute {{
+ Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, Trace::InstRecord *traceData) const
+ {
+ //Attempt to execute the instruction
+ try
+ {
+ checkPriv;
+
+ %(op_decl)s;
+ %(op_rd)s;
+ %(code)s;
+ }
+ //If we have an exception for some reason,
+ //deal with it
+ catch(MipsException except)
+ {
+ //Deal with exception
+ return No_Fault;
+ }
+
+ //Write the resulting state to the execution context
+ %(op_wb)s;
+
+ return No_Fault;
+ }
+}};
+
+// Primary format for integer operate instructions:
+def format Branch(code, *opt_flags) {{
+ orig_code = code
+ cblk = CodeBlock(code)
+ iop = InstObjParams(name, Name, 'MipsStaticInst', cblk, opt_flags)
+ header_output = BasicDeclare.subst(iop)
+ decoder_output = BasicConstructor.subst(iop)
+ decode_block = BasicDecodeWithMnemonic.subst(iop)
+ exec_output = BranchExecute.subst(iop)
+}};
diff --git a/arch/mips/isa/formats/fp.format b/arch/mips/isa/formats/fp.format
new file mode 100644
index 000000000..707109fc2
--- /dev/null
+++ b/arch/mips/isa/formats/fp.format
@@ -0,0 +1,110 @@
+////////////////////////////////////////////////////////////////////
+//
+// Floating Point operate instructions
+//
+
+output header {{
+ /**
+ * Base class for integer operations.
+ */
+ class FPOp : public MipsStaticInst
+ {
+ protected:
+
+ /// Constructor
+ FPOp(const char *mnem, MachInst _machInst, OpClass __opClass) : MipsStaticInst(mnem, _machInst, __opClass)
+ {
+ }
+
+ std::string generateDisassembly(Addr pc, const SymbolTable *symtab) const;
+ };
+}};
+
+output decoder {{
+ std::string FPOp::generateDisassembly(Addr pc, const SymbolTable *symtab) const
+ {
+ return "Disassembly of integer instruction\n";
+ }
+}};
+
+def template FPExecute {{
+ Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, Trace::InstRecord *traceData) const
+ {
+ //These are set to constants when the execute method
+ //is generated
+ bool useCc = ;
+ bool checkPriv = ;
+
+ //Attempt to execute the instruction
+ try
+ {
+ checkPriv;
+
+ %(op_decl)s;
+ %(op_rd)s;
+ %(code)s;
+ }
+ //If we have an exception for some reason,
+ //deal with it
+ catch(MipsException except)
+ {
+ //Deal with exception
+ return No_Fault;
+ }
+
+ //Write the resulting state to the execution context
+ %(op_wb)s;
+ if(useCc)
+ {
+ xc->regs.miscRegFile.ccrFields.iccFields.n = Rd & (1 << 63);
+ xc->regs.miscRegFile.ccrFields.iccFields.z = (Rd == 0);
+ xc->regs.miscRegFile.ccrFields.iccFields.v = ivValue;
+ xc->regs.miscRegFile.ccrFields.iccFields.c = icValue;
+ xc->regs.miscRegFile.ccrFields.xccFields.n = Rd & (1 << 31);
+ xc->regs.miscRegFile.ccrFields.xccFields.z = ((Rd & 0xFFFFFFFF) == 0);
+ xc->regs.miscRegFile.ccrFields.xccFields.v = xvValue;
+ xc->regs.miscRegFile.ccrFields.xccFields.c = xcValue;
+ }
+ return No_Fault;
+ }
+}};
+
+// Primary format for integer operate instructions:
+def format FPOp(code, *opt_flags) {{
+ orig_code = code
+ cblk = CodeBlock(code)
+ checkPriv = (code.find('checkPriv') != -1)
+ code.replace('checkPriv', '')
+ if checkPriv:
+ code.replace('checkPriv;', 'if(!xc->regs.miscRegFile.pstateFields.priv) throw privileged_opcode;')
+ else:
+ code.replace('checkPriv;', '')
+ for (marker, value) in (('ivValue', '0'), ('icValue', '0'),
+ ('xvValue', '0'), ('xcValue', '0')):
+ code.replace(marker, value)
+ iop = InstObjParams(name, Name, 'MipsStaticInst', cblk, opt_flags)
+ header_output = BasicDeclare.subst(iop)
+ decoder_output = BasicConstructor.subst(iop)
+ decode_block = BasicDecodeWithMnemonic.subst(iop)
+ exec_output = IntegerExecute.subst(iop)
+}};
+
+// Primary format for integer operate instructions:
+def format FPOpCc(code, icValue, ivValue, xcValue, xvValue, *opt_flags) {{
+ orig_code = code
+ cblk = CodeBlock(code)
+ checkPriv = (code.find('checkPriv') != -1)
+ code.replace('checkPriv', '')
+ if checkPriv:
+ code.replace('checkPriv;', 'if(!xc->regs.miscRegFile.pstateFields.priv) throw privileged_opcode;')
+ else:
+ code.replace('checkPriv;', '')
+ for (marker, value) in (('ivValue', ivValue), ('icValue', icValue),
+ ('xvValue', xvValue), ('xcValue', xcValue)):
+ code.replace(marker, value)
+ iop = InstObjParams(name, Name, 'MipsStaticInst', cblk, opt_flags)
+ header_output = BasicDeclare.subst(iop)
+ decoder_output = BasicConstructor.subst(iop)
+ decode_block = BasicDecodeWithMnemonic.subst(iop)
+ exec_output = IntegerExecute.subst(iop)
+}};
diff --git a/arch/mips/isa/formats/int.format b/arch/mips/isa/formats/int.format
new file mode 100644
index 000000000..5b8df54e9
--- /dev/null
+++ b/arch/mips/isa/formats/int.format
@@ -0,0 +1,70 @@
+////////////////////////////////////////////////////////////////////
+//
+// Integer operate instructions
+//
+
+output header {{
+ /**
+ * Base class for integer operations.
+ */
+ class IntOp : public MipsStaticInst
+ {
+ protected:
+
+ /// Constructor
+ IntegerOp(const char *mnem, MachInst _machInst, OpClass __opClass) :
+ MipsStaticInst(mnem, _machInst, __opClass)
+ {
+ }
+
+ std::string generateDisassembly(Addr pc, const SymbolTable *symtab) const;
+ };
+
+ class IntImmOp : public MipsStaticInst
+ {
+ protected:
+ uint16_t imm;
+
+ /// Constructor
+ IntegerOp(const char *mnem, MachInst _machInst, OpClass __opClass) :
+ MipsStaticInst(mnem, _machInst, __opClass),imm(INTIMM)
+ {
+ }
+
+ std::string generateDisassembly(Addr pc, const SymbolTable *symtab) const;
+ };
+
+}};
+
+output decoder {{
+ std::string IntOp::generateDisassembly(Addr pc, const SymbolTable *symtab) const
+ {
+ return "Disassembly of integer instruction\n";
+ }
+
+ std::string IntImmOp::generateDisassembly(Addr pc, const SymbolTable *symtab) const
+ {
+ return "Disassembly of integer immediate instruction\n";
+ }
+}};
+
+// Primary format for integer operate instructions:
+def format IntOp(code, *opt_flags) {{
+ orig_code = code
+ cblk = CodeBlock(code)
+
+ //Figure out if we are creating a IntImmOp or a IntOp
+ strlen = len(name)
+ if ( name[strlen-1] = 'i' or ( name[strlen-2:] = 'iu'))
+ iop = InstObjParams(name, Name, 'IntOp', cblk, opt_flags)
+ else:
+ iop = InstObjParams(name, Name, 'IntImmOp', cblk, opt_flags)
+
+ header_output = BasicDeclare.subst(iop)
+ decoder_output = BasicConstructor.subst(iop)
+ decode_block = OperateNopCheckDecode.subst(iop)
+ exec_output = BasicExecute.subst(iop)
+}};
+
+
+
diff --git a/arch/mips/isa/formats/mem.format b/arch/mips/isa/formats/mem.format
new file mode 100644
index 000000000..5ed5237c5
--- /dev/null
+++ b/arch/mips/isa/formats/mem.format
@@ -0,0 +1,78 @@
+////////////////////////////////////////////////////////////////////
+//
+// Mem instructions
+//
+
+output header {{
+ /**
+ * Base class for integer operations.
+ */
+ class Mem : public MipsStaticInst
+ {
+ protected:
+
+ /// Constructor
+ Mem(const char *mnem, MachInst _machInst, OpClass __opClass) : MipsStaticInst(mnem, _machInst, __opClass)
+ {
+ }
+
+ std::string generateDisassembly(Addr pc, const SymbolTable *symtab) const;
+ };
+}};
+
+output decoder {{
+ std::string Mem::generateDisassembly(Addr pc, const SymbolTable *symtab) const
+ {
+ return "Disassembly of integer instruction\n";
+ }
+}};
+
+def template MemExecute {{
+ Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, Trace::InstRecord *traceData) const
+ {
+ //Attempt to execute the instruction
+ try
+ {
+
+ %(op_decl)s;
+ %(op_rd)s;
+ ea_code
+ %(code)s;
+ }
+ //If we have an exception for some reason,
+ //deal with it
+ catch(MipsException except)
+ {
+ //Deal with exception
+ return No_Fault;
+ }
+
+ //Write the resulting state to the execution context
+ %(op_wb)s;
+
+ return No_Fault;
+ }
+}};
+
+// Primary format for integer operate instructions:
+def format Mem(code, *opt_flags) {{
+ orig_code = code
+ cblk = CodeBlock(code)
+ iop = InstObjParams(name, Name, 'MipsStaticInst', cblk, opt_flags)
+ header_output = BasicDeclare.subst(iop)
+ decoder_output = BasicConstructor.subst(iop)
+ decode_block = BasicDecodeWithMnemonic.subst(iop)
+ exec_output = MemExecute.subst(iop)
+ exec_output.replace('ea_code', 'EA = I ? (R1 + SIMM13) : R1 + R2;');
+}};
+
+def format Cas(code, *opt_flags) {{
+ orig_code = code
+ cblk = CodeBlock(code)
+ iop = InstObjParams(name, Name, 'MipsStaticInst', cblk, opt_flags)
+ header_output = BasicDeclare.subst(iop)
+ decoder_output = BasicConstructor.subst(iop)
+ decode_block = BasicDecodeWithMnemonic.subst(iop)
+ exec_output = MemExecute.subst(iop)
+ exec_output.replace('ea_code', 'EA = R1;');
+}};
diff --git a/arch/mips/isa/formats/noop.format b/arch/mips/isa/formats/noop.format
new file mode 100644
index 000000000..b1ece654d
--- /dev/null
+++ b/arch/mips/isa/formats/noop.format
@@ -0,0 +1,47 @@
+////////////////////////////////////////////////////////////////////
+//
+// Noop instruction
+//
+
+output header {{
+ /**
+ * Base class for integer operations.
+ */
+ class Noop : public MipsStaticInst
+ {
+ protected:
+
+ /// Constructor
+ Noop(const char *mnem, MachInst _machInst, OpClass __opClass) : MipsStaticInst(mnem, _machInst, __opClass)
+ {
+ }
+
+ std::string generateDisassembly(Addr pc, const SymbolTable *symtab) const;
+ };
+}};
+
+output decoder {{
+ std::string Noop::generateDisassembly(Addr pc, const SymbolTable *symtab) const
+ {
+ return "Disassembly of integer instruction\n";
+ }
+}};
+
+def template NoopExecute {{
+ Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, Trace::InstRecord *traceData) const
+ {
+ //Nothing to see here, move along
+ return No_Fault;
+ }
+}};
+
+// Primary format for integer operate instructions:
+def format Noop(code, *opt_flags) {{
+ orig_code = code
+ cblk = CodeBlock(code)
+ iop = InstObjParams(name, Name, 'MipsStaticInst', cblk, opt_flags)
+ header_output = BasicDeclare.subst(iop)
+ decoder_output = BasicConstructor.subst(iop)
+ decode_block = BasicDecodeWithMnemonic.subst(iop)
+ exec_output = NoopExecute.subst(iop)
+}};
diff --git a/arch/mips/isa/formats/tlbop.format b/arch/mips/isa/formats/tlbop.format
new file mode 100644
index 000000000..f5e4076f2
--- /dev/null
+++ b/arch/mips/isa/formats/tlbop.format
@@ -0,0 +1,53 @@
+////////////////////////////////////////////////////////////////////
+//
+// TlbOp instructions
+//
+
+output header {{
+ /**
+ * Base class for integer operations.
+ */
+ class TlbOp : public MipsStaticInst
+ {
+ protected:
+
+ /// Constructor
+ TlbOp(const char *mnem, MachInst _machInst, OpClass __opClass) : MipsStaticInst(mnem, _machInst, __opClass)
+ {
+ }
+
+ std::string generateDisassembly(Addr pc, const SymbolTable *symtab) const;
+ };
+}};
+
+output decoder {{
+ std::string TlbOp::generateDisassembly(Addr pc, const SymbolTable *symtab) const
+ {
+ return "Disassembly of integer instruction\n";
+ }
+}};
+
+def template TlbOpExecute {{
+ Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, Trace::InstRecord *traceData) const
+ {
+ //Call into the trap handler with the appropriate fault
+ return No_Fault;
+ }
+
+ //Write the resulting state to the execution context
+ %(op_wb)s;
+
+ return No_Fault;
+ }
+}};
+
+// Primary format for integer operate instructions:
+def format TlbOp(code, *opt_flags) {{
+ orig_code = code
+ cblk = CodeBlock(code)
+ iop = InstObjParams(name, Name, 'MipsStaticInst', cblk, opt_flags)
+ header_output = BasicDeclare.subst(iop)
+ decoder_output = BasicConstructor.subst(iop)
+ decode_block = BasicDecodeWithMnemonic.subst(iop)
+ exec_output = TlbOpExecute.subst(iop)
+}};
diff --git a/arch/mips/isa/formats/trap.format b/arch/mips/isa/formats/trap.format
new file mode 100644
index 000000000..78f8d87b0
--- /dev/null
+++ b/arch/mips/isa/formats/trap.format
@@ -0,0 +1,53 @@
+////////////////////////////////////////////////////////////////////
+//
+// Trap instructions
+//
+
+output header {{
+ /**
+ * Base class for integer operations.
+ */
+ class Trap : public MipsStaticInst
+ {
+ protected:
+
+ /// Constructor
+ Trap(const char *mnem, MachInst _machInst, OpClass __opClass) : MipsStaticInst(mnem, _machInst, __opClass)
+ {
+ }
+
+ std::string generateDisassembly(Addr pc, const SymbolTable *symtab) const;
+ };
+}};
+
+output decoder {{
+ std::string Trap::generateDisassembly(Addr pc, const SymbolTable *symtab) const
+ {
+ return "Disassembly of integer instruction\n";
+ }
+}};
+
+def template TrapExecute {{
+ Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, Trace::InstRecord *traceData) const
+ {
+ //Call into the trap handler with the appropriate fault
+ return No_Fault;
+ }
+
+ //Write the resulting state to the execution context
+ %(op_wb)s;
+
+ return No_Fault;
+ }
+}};
+
+// Primary format for integer operate instructions:
+def format Trap(code, *opt_flags) {{
+ orig_code = code
+ cblk = CodeBlock(code)
+ iop = InstObjParams(name, Name, 'MipsStaticInst', cblk, opt_flags)
+ header_output = BasicDeclare.subst(iop)
+ decoder_output = BasicConstructor.subst(iop)
+ decode_block = BasicDecodeWithMnemonic.subst(iop)
+ exec_output = TrapExecute.subst(iop)
+}};
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