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    SubjectRe: [RESEND][ PATCH -tip -v9 1/7] x86: instruction decoder API
    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@redhat.com>
    > Signed-off-by: Jim Keniston <jkenisto@us.ibm.com>
    > Cc: H. Peter Anvin <hpa@zytor.com>
    > Cc: Steven Rostedt <rostedt@goodmis.org>
    > Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
    > Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
    > Cc: Ingo Molnar <mingo@elte.hu>
    > Cc: Frederic Weisbecker <fweisbec@gmail.com>
    > Cc: Andi Kleen <ak@linux.intel.com>
    > Cc: Vegard Nossum <vegard.nossum@gmail.com>
    > Cc: Avi Kivity <avi@redhat.com>
    > Cc: Przemysław Pawełczyk <przemyslaw@pawelczyk.it>
    > ---
    >

    The decoder looks good by now.

    Acked-by: H. Peter Anvin <hpa@zytor.com>

    -hpa
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