KVM: x86 emulator: Make a distinction between repeat prefixes F3 and F2

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cmps and scas instructions accept repeat prefixes F3 and F2. So in
order to emulate those prefixed instructions we need to be able to know
if prefixes are REP/REPE/REPZ or REPNE/REPNZ. Currently kvm doesn't make
this distinction. This patch introduces this distinction.

Signed-off-by: Guillaume Thouvenin <guillaume.thouvenin@ext.bull.net>
Signed-off-by: Avi Kivity <avi@qumranet.com>

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Guillaume Thouvenin 2007-11-22 11:32:09 +01:00 • committed by Avi Kivity

parent e9f85cde99

commit 90e0a28f6b

2 changed files with 7 additions and 1 deletions

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4

drivers/kvm/x86_emulate.c

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4

drivers/kvm/x86_emulate.h

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