From: Avi Kivity <avi@redhat.com>
To: Wei Yongjun <yjwei@cn.fujitsu.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>, kvm@vger.kernel.org
Subject: Re: [PATCH] Add realmode test for CALL FAR IMM instruction
Date: Wed, 25 Aug 2010 09:50:47 +0300 [thread overview]
Message-ID: <4C74BD47.5030101@redhat.com> (raw)
In-Reply-To: <4C74B526.1040205@cn.fujitsu.com>
On 08/25/2010 09:16 AM, Wei Yongjun wrote:
> Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
> ---
> x86/realmode.c | 6 ++++++
> 1 files changed, 6 insertions(+), 0 deletions(-)
>
> diff --git a/x86/realmode.c b/x86/realmode.c
> index a833829..2e12680 100644
> --- a/x86/realmode.c
> +++ b/x86/realmode.c
> @@ -437,6 +437,9 @@ void test_call(void)
> "ret\n\t"
> "2:\t");
> MK_INSN(call_far1, "lcallw *(%ebx)\n\t");
> + MK_INSN(call_far2, ".byte 0x9a\n\t"
> + ".word retf\n\t"
> + ".word 0x00\n\t");
Why .byte encoding? won't "lcallw $0, $retf" (or the other way round) work?
--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.
next prev parent reply other threads:[~2010-08-25 6:50 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-25 6:10 [PATCH] KVM: x86 emulator: add CALL FAR instruction emulation (opcode 9a) Wei Yongjun
2010-08-25 6:16 ` [PATCH] Add realmode test for CALL FAR IMM instruction Wei Yongjun
2010-08-25 6:50 ` Avi Kivity [this message]
2010-08-25 7:05 ` Wei Yongjun
2010-08-25 7:06 ` [PATCHv2] " Wei Yongjun
2010-08-25 22:54 ` [PATCH] KVM: x86 emulator: add CALL FAR instruction emulation (opcode 9a) Marcelo Tosatti
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