From: Gleb Natapov <[email protected]> Add test for opcodes 0x90-0x9f emulation
Signed-off-by: Gleb Natapov <[email protected]> Reviewed-by: Avi Kivity <[email protected]> Signed-off-by: Marcelo Tosatti <[email protected]> diff --git a/kvm/user/test/x86/realmode.c b/kvm/user/test/x86/realmode.c index bc6b27f..bfc2942 100644 --- a/kvm/user/test/x86/realmode.c +++ b/kvm/user/test/x86/realmode.c @@ -141,6 +141,90 @@ int regs_equal(const struct regs *r1, const struct regs *r2, int ignore) ); \ extern u8 insn_##name[], insn_##name##_end[] +void test_xchg(void) +{ + struct regs inregs = { .eax = 0, .ebx = 1, .ecx = 2, .edx = 3, .esi = 4, .edi = 5, .ebp = 6, .esp = 7}, outregs; + + MK_INSN(xchg_test1, "xchg %eax,%eax\n\t"); + MK_INSN(xchg_test2, "xchg %eax,%ebx\n\t"); + MK_INSN(xchg_test3, "xchg %eax,%ecx\n\t"); + MK_INSN(xchg_test4, "xchg %eax,%edx\n\t"); + MK_INSN(xchg_test5, "xchg %eax,%esi\n\t"); + MK_INSN(xchg_test6, "xchg %eax,%edi\n\t"); + MK_INSN(xchg_test7, "xchg %eax,%ebp\n\t"); + MK_INSN(xchg_test8, "xchg %eax,%esp\n\t"); + + exec_in_big_real_mode(&inregs, &outregs, + insn_xchg_test1, + insn_xchg_test1_end - insn_xchg_test1); + + if (!regs_equal(&inregs, &outregs, 0)) + print_serial("xchg test 1: FAIL\n"); + + exec_in_big_real_mode(&inregs, &outregs, + insn_xchg_test2, + insn_xchg_test2_end - insn_xchg_test2); + + if (!regs_equal(&inregs, &outregs, R_AX | R_BX) || + outregs.eax != inregs.ebx || + outregs.ebx != inregs.eax) + print_serial("xchg test 2: FAIL\n"); + + exec_in_big_real_mode(&inregs, &outregs, + insn_xchg_test3, + insn_xchg_test3_end - insn_xchg_test3); + + if (!regs_equal(&inregs, &outregs, R_AX | R_CX) || + outregs.eax != inregs.ecx || + outregs.ecx != inregs.eax) + print_serial("xchg test 3: FAIL\n"); + + exec_in_big_real_mode(&inregs, &outregs, + insn_xchg_test4, + insn_xchg_test4_end - insn_xchg_test4); + + if (!regs_equal(&inregs, &outregs, R_AX | R_DX) || + outregs.eax != inregs.edx || + outregs.edx != inregs.eax) + print_serial("xchg test 4: FAIL\n"); + + exec_in_big_real_mode(&inregs, &outregs, + insn_xchg_test5, + insn_xchg_test5_end - insn_xchg_test5); + + if (!regs_equal(&inregs, &outregs, R_AX | R_SI) || + outregs.eax != inregs.esi || + outregs.esi != inregs.eax) + print_serial("xchg test 5: FAIL\n"); + + exec_in_big_real_mode(&inregs, &outregs, + insn_xchg_test6, + insn_xchg_test6_end - insn_xchg_test6); + + if (!regs_equal(&inregs, &outregs, R_AX | R_DI) || + outregs.eax != inregs.edi || + outregs.edi != inregs.eax) + print_serial("xchg test 6: FAIL\n"); + + exec_in_big_real_mode(&inregs, &outregs, + insn_xchg_test7, + insn_xchg_test7_end - insn_xchg_test7); + + if (!regs_equal(&inregs, &outregs, R_AX | R_BP) || + outregs.eax != inregs.ebp || + outregs.ebp != inregs.eax) + print_serial("xchg test 7: FAIL\n"); + + exec_in_big_real_mode(&inregs, &outregs, + insn_xchg_test8, + insn_xchg_test8_end - insn_xchg_test8); + + if (!regs_equal(&inregs, &outregs, R_AX | R_SP) || + outregs.eax != inregs.esp || + outregs.esp != inregs.eax) + print_serial("xchg test 8: FAIL\n"); +} + void test_shld(void) { struct regs inregs = { .eax = 0xbe, .edx = 0xef000000 }, outregs; @@ -572,6 +656,7 @@ void realmode_start(void) test_call(); /* long jmp test uses call near so test it after testing call */ test_long_jmp(); + test_xchg(); exit(0); } -- To unsubscribe from this list: send the line "unsubscribe kvm-commits" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
