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    Subject[PATCH 22/46] KVM: x86 emulator: Add decoding of 16bit second immediate argument
    Date
    From: Gleb Natapov <gleb@redhat.com>

    Such as segment number in lcall/ljmp

    Signed-off-by: Gleb Natapov <gleb@redhat.com>
    Signed-off-by: Avi Kivity <avi@redhat.com>
    ---
    arch/x86/kvm/x86_emulate.c | 7 +++++++
    1 files changed, 7 insertions(+), 0 deletions(-)

    diff --git a/arch/x86/kvm/x86_emulate.c b/arch/x86/kvm/x86_emulate.c
    index d7c9f6f..c015063 100644
    --- a/arch/x86/kvm/x86_emulate.c
    +++ b/arch/x86/kvm/x86_emulate.c
    @@ -76,6 +76,7 @@
    #define Src2CL (1<<29)
    #define Src2ImmByte (2<<29)
    #define Src2One (3<<29)
    +#define Src2Imm16 (4<<29)
    #define Src2Mask (7<<29)

    enum {
    @@ -1072,6 +1073,12 @@ done_prefixes:
    c->src2.bytes = 1;
    c->src2.val = insn_fetch(u8, 1, c->eip);
    break;
    + case Src2Imm16:
    + c->src2.type = OP_IMM;
    + c->src2.ptr = (unsigned long *)c->eip;
    + c->src2.bytes = 2;
    + c->src2.val = insn_fetch(u16, 2, c->eip);
    + break;
    case Src2One:
    c->src2.bytes = 1;
    c->src2.val = 1;
    --
    1.6.0.6


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