From: Avi Kivity <avi@redhat.com>
Date: Tue, 13 Sep 2011 07:45:49 +0000 (+0300)
Subject: KVM: x86 emulator: streamline decode of segment registers
X-Git-Tag: v3.2-rc1~119^2~10
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c191a7a0f4d3b17cc6cee1d3f721dfe23fc7d6c6;p=pandora-kernel.git

KVM: x86 emulator: streamline decode of segment registers

The opcodes

  push %seg
  pop %seg
  l%seg, %mem, %reg  (e.g. lds/les/lss/lfs/lgs)

all have an segment register encoded in the instruction.  To allow reuse,
decode the segment number into src2 during the decode stage instead of the
execution stage.

Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---

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