diff options
Diffstat (limited to 'arch/mips/isa/formats/unknown.isa')
-rw-r--r-- | arch/mips/isa/formats/unknown.isa | 28 |
1 files changed, 25 insertions, 3 deletions
diff --git a/arch/mips/isa/formats/unknown.isa b/arch/mips/isa/formats/unknown.isa index 47d166255..ba83c007e 100644 --- a/arch/mips/isa/formats/unknown.isa +++ b/arch/mips/isa/formats/unknown.isa @@ -26,12 +26,34 @@ // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +output header {{ + std::string inst2string(MachInst machInst); +}}; output decoder {{ + +std::string inst2string(MachInst machInst) +{ + string str = ""; + uint32_t mask = 0x80000000; + + for(int i=0; i < 32; i++) { + if ((machInst & mask) == 0) { + str += "0"; + } else { + str += "1"; + } + + mask = mask >> 1; + } + + return str; +} + std::string Unknown::generateDisassembly(Addr pc, const SymbolTable *symtab) const { - return csprintf("%-10s (inst 0x%x, opcode 0x%x)", - "unknown", machInst, OPCODE); + return csprintf("%-10s (inst 0x%x, opcode 0x%x, binary:%s)", + "unknown", machInst, OPCODE, inst2string(machInst)); } }}; @@ -41,7 +63,7 @@ output exec {{ Trace::InstRecord *traceData) const { panic("attempt to execute unknown instruction " - "(inst 0x%08x, opcode 0x%x)", machInst, OPCODE); + "(inst 0x%08x, opcode 0x%x, binary: %s)", machInst, OPCODE, inst2string(machInst)); return new UnimplementedOpcodeFault; } }}; |