summaryrefslogtreecommitdiff
path: root/arch/mips/isa/formats/trap.format
blob: 78f8d87b0863f2fa1d0f6997e51c47c48fe852cb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
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)
}};