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-rw-r--r--arch/mips/isa/formats/mem.isa78
1 files changed, 78 insertions, 0 deletions
diff --git a/arch/mips/isa/formats/mem.isa b/arch/mips/isa/formats/mem.isa
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+++ b/arch/mips/isa/formats/mem.isa
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+////////////////////////////////////////////////////////////////////
+//
+// 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;');
+}};