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author | Gabe Black <gabeblack@google.com> | 2017-11-06 19:14:51 -0800 |
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committer | Gabe Black <gabeblack@google.com> | 2017-11-22 00:23:00 +0000 |
commit | 299d7f8c5d9f22ceed3cc7081ea6b9d90542610f (patch) | |
tree | e829f863aad864683256cb1879523c3da8247cd9 /src/arch/sparc/isa/formats/unimp.isa | |
parent | cfbcb7b2731ecd9439f1622dbc86139256d35de1 (diff) | |
download | gem5-299d7f8c5d9f22ceed3cc7081ea6b9d90542610f.tar.xz |
sparc: Pull the unimplemented formats out of the ISA description.
These are simple classes which don't need to be in the ISA description.
Change-Id: Ia0bb45f50c4da2536855efcb3c17c7780b431332
Reviewed-on: https://gem5-review.googlesource.com/5464
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
Diffstat (limited to 'src/arch/sparc/isa/formats/unimp.isa')
-rw-r--r-- | src/arch/sparc/isa/formats/unimp.isa | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/src/arch/sparc/isa/formats/unimp.isa b/src/arch/sparc/isa/formats/unimp.isa index aa03c926e..b23d82148 100644 --- a/src/arch/sparc/isa/formats/unimp.isa +++ b/src/arch/sparc/isa/formats/unimp.isa @@ -33,104 +33,6 @@ // Unimplemented instructions // -output header {{ - /** - * Static instruction class for unimplemented instructions that - * cause simulator termination. Note that these are recognized - * (legal) instructions that the simulator does not support; the - * 'Unknown' class is used for unrecognized/illegal instructions. - * This is a leaf class. - */ - class FailUnimplemented : public SparcStaticInst - { - public: - /// Constructor - FailUnimplemented(const char *_mnemonic, ExtMachInst _machInst) - : SparcStaticInst(_mnemonic, _machInst, No_OpClass) - { - // don't call execute() (which panics) if we're on a - // speculative path - flags[IsNonSpeculative] = true; - } - - Fault execute(ExecContext *, Trace::InstRecord *) const; - - std::string - generateDisassembly(Addr pc, const SymbolTable *symtab) const; - }; - - /** - * Base class for unimplemented instructions that cause a warning - * to be printed (but do not terminate simulation). This - * implementation is a little screwy in that it will print a - * warning for each instance of a particular unimplemented machine - * instruction, not just for each unimplemented opcode. Should - * probably make the 'warned' flag a static member of the derived - * class. - */ - class WarnUnimplemented : public SparcStaticInst - { - private: - /// Have we warned on this instruction yet? - mutable bool warned; - - public: - /// Constructor - WarnUnimplemented(const char *_mnemonic, ExtMachInst _machInst) - : SparcStaticInst(_mnemonic, _machInst, No_OpClass), warned(false) - { - // don't call execute() (which panics) if we're on a - // speculative path - flags[IsNonSpeculative] = true; - } - - Fault execute(ExecContext *, Trace::InstRecord *) const; - - std::string - generateDisassembly(Addr pc, const SymbolTable *symtab) const; - }; -}}; - -output decoder {{ - std::string - FailUnimplemented::generateDisassembly(Addr pc, - const SymbolTable *symtab) const - { - return csprintf("%-10s (unimplemented)", mnemonic); - } - - std::string - WarnUnimplemented::generateDisassembly(Addr pc, - const SymbolTable *symtab) const - { - return csprintf("%-10s (unimplemented)", mnemonic); - } -}}; - -output exec {{ - Fault - FailUnimplemented::execute(ExecContext *xc, - Trace::InstRecord *traceData) const - { - panic("attempt to execute unimplemented instruction '%s' " - "(inst 0x%08x)", mnemonic, machInst); - return NoFault; - } - - Fault - WarnUnimplemented::execute(ExecContext *xc, - Trace::InstRecord *traceData) const - { - if (!warned) { - warn("instruction '%s' unimplemented\n", mnemonic); - warned = true; - } - - return NoFault; - } -}}; - - def format FailUnimpl() {{ iop = InstObjParams(name, 'FailUnimplemented') decode_block = BasicDecodeWithMnemonic.subst(iop) |