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-rw-r--r--arch/sparc/isa/formats/integerop.isa203
1 files changed, 128 insertions, 75 deletions
diff --git a/arch/sparc/isa/formats/integerop.isa b/arch/sparc/isa/formats/integerop.isa
index 5a9e09896..e7bd4c2a4 100644
--- a/arch/sparc/isa/formats/integerop.isa
+++ b/arch/sparc/isa/formats/integerop.isa
@@ -7,106 +7,159 @@ output header {{
/**
* Base class for integer operations.
*/
- class IntegerOp : public SparcStaticInst
+ class IntOp : public SparcStaticInst
{
protected:
// Constructor
- IntegerOp(const char *mnem, MachInst _machInst, OpClass __opClass) :
+ IntOp(const char *mnem, ExtMachInst _machInst, OpClass __opClass) :
SparcStaticInst(mnem, _machInst, __opClass)
{
}
std::string generateDisassembly(Addr pc,
- const SymbolTable *symtab) const;
+ const SymbolTable *symtab) const;
+ };
+
+ /**
+ * Base class for 10 bit immediate integer operations.
+ */
+ class IntOpImm10 : public IntOp
+ {
+ protected:
+ // Constructor
+ IntOpImm10(const char *mnem, ExtMachInst _machInst, OpClass __opClass) :
+ IntOp(mnem, _machInst, __opClass), imm(SIMM10)
+ {
+ }
+
+ uint32_t imm;
+ };
+
+ /**
+ * Base class for 13 bit immediate integer operations.
+ */
+ class IntOpImm13 : public IntOp
+ {
+ protected:
+ // Constructor
+ IntOpImm13(const char *mnem, ExtMachInst _machInst, OpClass __opClass) :
+ IntOp(mnem, _machInst, __opClass), imm(SIMM13)
+ {
+ }
+
+ uint32_t imm;
};
}};
output decoder {{
- std::string IntegerOp::generateDisassembly(Addr pc,
+ std::string IntOp::generateDisassembly(Addr pc,
const SymbolTable *symtab) const
{
- return "Integer instruction\n";
+ return "Integer instruction\n";
}
}};
-def template IntegerExecute {{
- Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, Trace::InstRecord *traceData) const
+def template IntOpExecute {{
+ 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(SparcException except)
- {
- //Deal with exception
- return No_Fault;
- }
-
- //Write the resulting state to the execution context
+ Fault fault = NoFault;
+
+ %(op_decl)s;
+ %(op_rd)s;
+ %(code)s;
+
+ //Write the resulting state to the execution context
+ if(fault == NoFault)
%(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;
+ return fault;
}
}};
-// Primary format for integer operate instructions:
-def format IntegerOp(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, 'SparcStaticInst', cblk, opt_flags)
+def template IntOpCcExecute {{
+ Fault %(class_name)s::execute(%(CPU_exec_context)s *xc,
+ Trace::InstRecord *traceData) const
+ {
+ Fault fault;
+
+ %(op_decl)s;
+ %(op_rd)s;
+ %(code)s;
+
+ //Write the resulting state to the execution context
+ if(fault == NoFault)
+ {
+ %(op_wb)s;
+ CcrIccN = Rd & (1 << 63);
+ CcrIccZ = (Rd == 0);
+ CcrIccV = ivValue;
+ CcrIccC = icValue;
+ CcrXccN = Rd & (1 << 31);
+ CcrXccZ = ((Rd & 0xFFFFFFFF) == 0);
+ CcrXccV = xvValue;
+ CcrXccC = xcValue;
+ }
+ return fault;
+ }
+}};
+
+def template IntOpCcResExecute {{
+ Fault %(class_name)s::execute(%(CPU_exec_context)s *xc,
+ Trace::InstRecord *traceData) const
+ {
+ Fault fault;
+
+ %(op_decl)s;
+ %(op_rd)s;
+ %(code)s;
+
+ //Write the resulting state to the execution context
+ if(fault == NoFault)
+ {
+ %(op_wb)s;
+ CcrIccN = Rd & (1 << 63);
+ CcrIccZ = (Rd == 0);
+ CcrXccN = Rd & (1 << 31);
+ CcrXccZ = ((Rd & 0xFFFFFFFF) == 0);
+ CcrIccV = CcrIccC = CcrXccV = CcrXccC = 0;
+ }
+ return fault;
+ }
+}};
+
+let {{
+ def doIntFormat(code, execTemplate, name, Name, opt_flags):
+ (usesImm, cblk, immCblk, rString, iString) = splitOutImm(code)
+ iop = InstObjParams(name, Name, 'IntOp', cblk, opt_flags)
header_output = BasicDeclare.subst(iop)
decoder_output = BasicConstructor.subst(iop)
- decode_block = BasicDecodeWithMnemonic.subst(iop)
- exec_output = IntegerExecute.subst(iop)
+ exec_output = execTemplate.subst(iop)
+ if usesImm:
+ imm_iop = InstObjParams(name, Name + 'Imm', 'IntOpImm' + iString,
+ immCblk, opt_flags)
+ header_output += BasicDeclare.subst(imm_iop)
+ decoder_output += BasicConstructor.subst(imm_iop)
+ exec_output += execTemplate.subst(imm_iop)
+ decode_block = ROrImmDecode.subst(iop)
+ else:
+ decode_block = BasicDecode.subst(iop)
}};
// Primary format for integer operate instructions:
-def format IntegerOpCc(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, 'SparcStaticInst', cblk, opt_flags)
- header_output = BasicDeclare.subst(iop)
- decoder_output = BasicConstructor.subst(iop)
- decode_block = BasicDecodeWithMnemonic.subst(iop)
- exec_output = IntegerExecute.subst(iop)
+def format IntOp(code, *opt_flags) {{
+ doIntFormat(code, IntOpExecute, name, Name, opt_flags)
}};
+
+// Primary format for integer operate instructions:
+def format IntOpCc(code, icValue, ivValue, xcValue, xvValue, *opt_flags) {{
+ for (marker, value) in (('ivValue', ivValue), ('icValue', icValue),
+ ('xvValue', xvValue), ('xcValue', xcValue)):
+ code.replace(marker, value)
+ doIntFormat(code, IntOpCcExecute, name, Name, opt_flags)
+}};
+
+// Primary format for integer operate instructions:
+def format IntOpCcRes(code, *opt_flags) {{
+ doIntFormat(code, IntOpCcResExecute, name, Name, opt_flags)
+}};
+
generated by cgit v1.2.3 (git 2.25.1) at 2025-03-21 13:44:34 +0000