Re: [RFC PATCH v3 0/4] Real mode interrupt injection

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On Mon, Aug 16, 2010 at 12:46 AM, Mohammed Gamal <m.gamal005@xxxxxxxxx> wrote:
> This patch introduces real mode interrupt injection for VMX.
> It currently invokes the x86 emulator to emulate interrupts
> instead of manually setting VMX controls.
>
> Needless to say, this is not meant for merging in its current state.
> The emulator still needs some more work to get this completely operational.
>
> Mohammed Gamal (4):
>  x86 emulator: Expose emulate_int_real()
>  x86: Separate emulation context initialization in a separate function
>  x86: Add kvm_inject_realmode_interrupt() wrapper
>  VMX: Emulated real mode interrupt injection
>
>  arch/x86/include/asm/kvm_emulate.h |    3 +-
>  arch/x86/kvm/vmx.c                 |   65 +++----------------------------
>  arch/x86/kvm/x86.c                 |   75 ++++++++++++++++++++++--------------
>  arch/x86/kvm/x86.h                 |    1 +
>  4 files changed, 55 insertions(+), 89 deletions(-)
> ---
> Changes since v2:
> - Refactored emulation context initialization code
> - Commit eip value from the decode cache to the emulation context in x86.c rather than the emulator
> - Add kvm_* prefix to inject_realmode_interrupt() global symbol for consistency
>

Here is a full trace of a MINIX guest since bootup. Looks like we get
stuck somewhere in the BIOS.
https://docs.google.com/leaf?id=0B9UodZT1IuENMzJhNWQxM2YtYzE3YS00YWY4LTk2YTgtZWY3ODNhMWUxMDkx&sort=name&layout=list&num=50
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