KVM: x86: Emulator does not calculate address correctly

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In long-mode, when the address size is 4 bytes, the linear address is not
truncated as the emulator mistakenly does.  Instead, the offset within the
segment (the ea field) should be truncated according to the address size.

As Intel SDM says: "In 64-bit mode, the effective address components are added
and the effective address is truncated ... before adding the full 64-bit
segment base."

Signed-off-by: Nadav Amit <namit@cs.technion.ac.il>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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Nadav Amit 2014-09-30 20:49:19 +03:00 • committed by Paolo Bonzini

parent 6bdf06625d

commit 518547b32a

1 changed files with 3 additions and 2 deletions

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arch/x86/kvm/emulate.c

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