From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mohammed Gamal Subject: [PATCH][RESEND] Add push/pop instructions test in test harness Date: Thu, 20 Aug 2009 17:07:09 +0300 Message-ID: <1250777229-23091-1-git-send-email-m.gamal005@gmail.com> Cc: kvm@vger.kernel.org, Mohammed Gamal To: avi@redhat.com Return-path: Received: from mail-ew0-f207.google.com ([209.85.219.207]:43520 "EHLO mail-ew0-f207.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754468AbZHTOHY (ORCPT ); Thu, 20 Aug 2009 10:07:24 -0400 Received: by ewy3 with SMTP id 3so2906033ewy.18 for ; Thu, 20 Aug 2009 07:07:25 -0700 (PDT) Sender: kvm-owner@vger.kernel.org List-ID: Signed-off-by: Mohammed Gamal --- kvm/user/test/x86/realmode.c | 74 ++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 74 insertions(+), 0 deletions(-) diff --git a/kvm/user/test/x86/realmode.c b/kvm/user/test/x86/realmode.c index 755b5d1..04c1452 100644 --- a/kvm/user/test/x86/realmode.c +++ b/kvm/user/test/x86/realmode.c @@ -467,6 +467,79 @@ void test_long_jmp() if(!regs_equal(&inregs, &outregs, R_AX) || outregs.eax != 0x1234) print_serial("Long JMP Test: FAIL\n"); } +void test_push_pop() +{ + struct regs inregs = { 0 }, outregs; + MK_INSN(push32, "mov $0x12345678, %eax\n\t" + "push %eax\n\t" + "pop %ebx\n\t"); + MK_INSN(push16, "mov $0x1234, %ax\n\t" + "push %ax\n\t" + "pop %bx\n\t"); + + MK_INSN(push_es, "mov $0x231, %bx\n\t" //Just write a dummy value to see if it gets overwritten + "mov $0x123, %ax\n\t" + "mov %ax, %es\n\t" + "push %es\n\t" + "pop %bx \n\t" + ); + MK_INSN(pop_es, "push %ax\n\t" + "pop %es\n\t" + "mov %es, %bx\n\t" + ); + MK_INSN(push_pop_ss, "push %ss\n\t" + "pushw %ax\n\t" + "popw %ss\n\t" + "mov %ss, %bx\n\t" + "pop %ss\n\t" + ); + MK_INSN(push_pop_fs, "push %fs\n\t" + "pushl %eax\n\t" + "popl %fs\n\t" + "mov %fs, %ebx\n\t" + "pop %fs\n\t" + ); + + exec_in_big_real_mode(&inregs, &outregs, + insn_push32, + insn_push32_end - insn_push32); + if (!regs_equal(&inregs, &outregs, R_AX|R_BX) || outregs.eax != outregs.ebx || outregs.eax != 0x12345678) + print_serial("Push/Pop Test 1: FAIL\n"); + + exec_in_big_real_mode(&inregs, &outregs, + insn_push16, + insn_push16_end - insn_push16); + + if (!regs_equal(&inregs, &outregs, R_AX|R_BX) || outregs.eax != outregs.ebx || outregs.eax != 0x1234) + print_serial("Push/Pop Test 2: FAIL\n"); + + exec_in_big_real_mode(&inregs, &outregs, + insn_push_es, + insn_push_es_end - insn_push_es); + if (!regs_equal(&inregs, &outregs, R_AX|R_BX) || outregs.ebx != outregs.eax || outregs.eax != 0x123) + print_serial("Push/Pop Test 3: FAIL\n"); + + exec_in_big_real_mode(&inregs, &outregs, + insn_pop_es, + insn_pop_es_end - insn_pop_es); + + if (!regs_equal(&inregs, &outregs, R_AX|R_BX) || outregs.ebx != outregs.eax) + print_serial("Push/Pop Test 4: FAIL\n"); + + exec_in_big_real_mode(&inregs, &outregs, + insn_push_pop_ss, + insn_push_pop_ss_end - insn_push_pop_ss); + + if (!regs_equal(&inregs, &outregs, R_AX|R_BX) || outregs.ebx != outregs.eax) + print_serial("Push/Pop Test 5: FAIL\n"); + + exec_in_big_real_mode(&inregs, &outregs, + insn_push_pop_fs, + insn_push_pop_fs_end - insn_push_pop_fs); + + if (!regs_equal(&inregs, &outregs, R_AX|R_BX) || outregs.ebx != outregs.eax) + print_serial("Push/Pop Test 6: FAIL\n"); +} void test_null(void) { @@ -481,6 +554,7 @@ void start(void) test_null(); test_shld(); + test_push_pop(); test_mov_imm(); test_cmp_imm(); test_add_imm(); -- 1.6.0.4