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@xxxxxxxxxxxxxxxxx>
---
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
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