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 <mhira...@redhat.com> > Signed-off-by: Jim Keniston <jkeni...@us.ibm.com> > Cc: H. Peter Anvin <h...@zytor.com> > Cc: Steven Rostedt <rost...@goodmis.org> > Cc: Ananth N Mavinakayanahalli <ana...@in.ibm.com> > Cc: Srikar Dronamraju <sri...@linux.vnet.ibm.com> > Cc: Ingo Molnar <mi...@elte.hu> > Cc: Frederic Weisbecker <fweis...@gmail.com> > Cc: Andi Kleen <a...@linux.intel.com> > Cc: Vegard Nossum <vegard.nos...@gmail.com> > Cc: Avi Kivity <a...@redhat.com> > Cc: Przemysław Pawełczyk <przemys...@pawelczyk.it> > --- >
The decoder looks good by now. Acked-by: H. Peter Anvin <h...@zytor.com> -hpa -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html