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KVM: x86 emulator: Add flag to check for protected mode instructions

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This patch adds a flag for the opcoded to tag instruction
which are only recognized in protected mode. The necessary
check is added too.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Joerg Roedel
2011-04-04 12:39:26 +02:00
committed by Avi Kivity
parent d09beabd7c
commit 8ea7d6aef8
2 changed files with 11 additions and 0 deletions
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4
arch/x86/include/asm/kvm_emulate.h
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@ -274,6 +274,10 @@ struct x86_emulate_ctxt {
#define X86EMUL_MODE_PROT32 4 /* 32-bit protected mode. */
#define X86EMUL_MODE_PROT64 8 /* 64-bit (long) mode. */
/* any protected mode */
#define X86EMUL_MODE_PROT (X86EMUL_MODE_PROT16|X86EMUL_MODE_PROT32| \
X86EMUL_MODE_PROT64)
enum x86_intercept_stage {
X86_ICPT_PRE_EXCEPT,
X86_ICPT_POST_EXCEPT,