Verify that using MIDAW triggers a operand exception.
Signed-off-by: Pierre Morel <pmorel@xxxxxxxxxxxxx>
---
s390x/css.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/s390x/css.c b/s390x/css.c
index f8f91cf..56adc16 100644
--- a/s390x/css.c
+++ b/s390x/css.c
@@ -197,6 +197,18 @@ static void ssch_ccw_dma31(void)
free_pages(ccw_high);
}
+static void ssch_orb_midaw(void)
+{
+ uint32_t tmp = orb->ctrl;
+
+ orb->ctrl |= ORB_CTRL_MIDAW;
+ expect_pgm_int();
+ ssch(test_device_sid, orb);
+ check_pgm_int_code(PGM_INT_CODE_OPERAND);
+
+ orb->ctrl = tmp;
+}
+
static struct tests ssh_tests[] = {
{ "privilege", ssch_privilege },
{ "orb cpa zero", ssch_orb_cpa_zero },
@@ -204,6 +216,7 @@ static struct tests ssh_tests[] = {
{ "data access", ssch_data_access },
{ "CCW access", ssch_ccw_access },
{ "CCW in DMA31", ssch_ccw_dma31 },
+ { "ORB MIDAW unsupported", ssch_orb_midaw },
{ NULL, NULL }
};
--
2.17.1
