Messages in this thread Patch in this message | | | From | Nadav Amit <> | Subject | [PATCH kvm-unit-tests 5/5] x86: Test monitor and mwait on real-mode | Date | Wed, 18 Jun 2014 17:19:54 +0300 |
| |
monitor and mwait are now considered to behave as nop. New patch enables monitor and mwait in realmode as well. This test checks whether they are handled as nop in realmode as well.
Signed-off-by: Nadav Amit <namit@cs.technion.ac.il> --- x86/realmode.c | 11 +++++++++++ 1 file changed, 11 insertions(+)
diff --git a/x86/realmode.c b/x86/realmode.c index 10c3e03..0a62b5d 100644 --- a/x86/realmode.c +++ b/x86/realmode.c @@ -1671,6 +1671,16 @@ void test_xadd(void) report("xadd", R_AX, outregs.eax == inregs.eax * 2); } +void test_monitor_mwait(void) +{ + MK_INSN(monitor, "monitor\n\t" + "mwait\n\t"); + inregs.ecx = 0; + inregs.eax = 0; + exec_in_big_real_mode(&insn_monitor); + report("monitor", 0, 1); +} + void realmode_start(void) { @@ -1721,6 +1731,7 @@ void realmode_start(void) test_smsw(); test_nopl(); test_xadd(); + test_monitor_mwait(); test_perf_loop(); test_perf_mov(); test_perf_arith(); -- 1.9.1
| |