From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gleb Natapov Subject: Re: [PATCH kvm-unit-tests] realmode: test RETF imm Date: Sun, 8 Sep 2013 16:18:59 +0300 Message-ID: <20130908131859.GJ17294@redhat.com> References: <1378329137-21399-1-git-send-email-brogers@suse.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: pbonzini@redhat.com, kvm@vger.kernel.org To: Bruce Rogers Return-path: Received: from mx1.redhat.com ([209.132.183.28]:20403 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751448Ab3IHNTD (ORCPT ); Sun, 8 Sep 2013 09:19:03 -0400 Content-Disposition: inline In-Reply-To: <1378329137-21399-1-git-send-email-brogers@suse.com> Sender: kvm-owner@vger.kernel.org List-ID: On Wed, Sep 04, 2013 at 03:12:17PM -0600, Bruce Rogers wrote: > Signed-off-by: Bruce Rogers Reviewed-by: Gleb Natapov > --- > x86/realmode.c | 7 +++++++ > 1 files changed, 7 insertions(+), 0 deletions(-) > > diff --git a/x86/realmode.c b/x86/realmode.c > index 3546771..c57e033 100644 > --- a/x86/realmode.c > +++ b/x86/realmode.c > @@ -481,6 +481,9 @@ void test_io(void) > asm ("retf: lretw"); > extern void retf(); > > +asm ("retf_imm: lretw $10"); > +extern void retf_imm(); > + > void test_call(void) > { > u32 esp[16]; > @@ -503,6 +506,7 @@ void test_call(void) > MK_INSN(call_far1, "lcallw *(%ebx)\n\t"); > MK_INSN(call_far2, "lcallw $0, $retf\n\t"); > MK_INSN(ret_imm, "sub $10, %sp; jmp 2f; 1: retw $10; 2: callw 1b"); > + MK_INSN(retf_imm, "sub $10, %sp; lcallw $0, $retf_imm"); > > exec_in_big_real_mode(&insn_call1); > report("call 1", R_AX, outregs.eax == 0x1234); > @@ -523,6 +527,9 @@ void test_call(void) > > exec_in_big_real_mode(&insn_ret_imm); > report("ret imm 1", 0, 1); > + > + exec_in_big_real_mode(&insn_retf_imm); > + report("retf imm 1", 0, 1); > } > > void test_jcc_short(void) > -- > 1.7.7 -- Gleb.