Masami Hiramatsu wrote: > Add x86 instruction decoder to arch-specific libraries. This decoder > can decode x86 instructions used in kernel into prefix, opcode, modrm, > sib, displacement and immediates. This can also show the length of > instructions. > > This version introduces instruction attributes for decoding instructions. > The instruction attribute tables are generated from the opcode map file > (x86-opcode-map.txt) by the generator script(gen-insn-attr-x86.awk). > > Currently, the opcode maps are based on opcode maps in Intel(R) 64 and > IA-32 Architectures Software Developers Manual Vol.2: Appendix.A, > and consist of below two types of opcode tables. > > 1-byte/2-bytes/3-bytes opcodes, which has 256 elements, are > written as below; > > Table: table-name > Referrer: escaped-name > opcode: mnemonic|GrpXXX [operand1[,operand2...]] [(extra1)[,(extra2)...] [| 2nd-mnemonic ...] > (or) > opcode: escape # escaped-name > EndTable > > Group opcodes, which has 8 elements, are written as below; > > GrpTable: GrpXXX > reg: mnemonic [operand1[,operand2...]] [(extra1)[,(extra2)...] [| 2nd-mnemonic ...] > EndTable > > These opcode maps do NOT include most of SSE and FP opcodes, because > those opcodes are not used in the kernel. > > Signed-off-by: Masami Hiramatsu <mhiramat@xxxxxxxxxx> > Signed-off-by: Jim Keniston <jkenisto@xxxxxxxxxx> > Cc: H. Peter Anvin <hpa@xxxxxxxxx> > Cc: Steven Rostedt <rostedt@xxxxxxxxxxx> > Cc: Ananth N Mavinakayanahalli <ananth@xxxxxxxxxx> > Cc: Srikar Dronamraju <srikar@xxxxxxxxxxxxxxxxxx> > Cc: Ingo Molnar <mingo@xxxxxxx> > Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx> > Cc: Andi Kleen <ak@xxxxxxxxxxxxxxx> > Cc: Vegard Nossum <vegard.nossum@xxxxxxxxx> > Cc: Avi Kivity <avi@xxxxxxxxxx> > Cc: Przemysław Pawełczyk <przemyslaw@xxxxxxxxxxxx> > --- > The decoder looks good by now. Acked-by: H. Peter Anvin <hpa@xxxxxxxxx> -hpa -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
