test(realm): extend ripas tests for planes
Test that accessing page with RIPAS=EMPTY from
Plane N causes plane exit to P0.
Change-Id: Ic57f049d0fa0140630aa7bfc0702a2dc729967a8
Signed-off-by: Shruti Gupta <shruti.gupta@arm.com>
diff --git a/realm/realm_payload_main.c b/realm/realm_payload_main.c
index e654f1f..4ebdb90 100644
--- a/realm/realm_payload_main.c
+++ b/realm/realm_payload_main.c
@@ -265,6 +265,46 @@
return false;
}
+static bool test_plane_exception_cmd(void)
+{
+ u_register_t base, plane_index, perm_index, flags = 0U;
+ bool ret1;
+
+ plane_index = realm_shared_data_get_my_host_val(HOST_ARG1_INDEX);
+ base = realm_shared_data_get_my_host_val(HOST_ARG2_INDEX);
+ perm_index = plane_index + 1U;
+
+ ret1 = plane_common_init(plane_index, perm_index, base, &run);
+ if (!ret1) {
+ return ret1;
+ }
+
+ realm_printf("Entering plane %ld, ep=0x%lx run=0x%lx\n", plane_index, base, &run);
+ ret1 = realm_plane_enter(plane_index, perm_index, base, flags, &run);
+
+ realm_printf("Plane exit reason=0x%lx\n", run.exit.exit_reason);
+
+ /*
+ * @TODO- P0 can inject SEA back to PN,
+ * if capability is added in future.
+ */
+ if (ret1 && (run.exit.exit_reason == RSI_EXIT_SYNC)) {
+ u_register_t far, esr, elr;
+
+ far = run.exit.far;
+ esr = run.exit.esr;
+ elr = run.exit.elr;
+
+ /* Return ESR FAR to Host */
+ realm_shared_data_set_my_realm_val(HOST_ARG2_INDEX, esr);
+ realm_shared_data_set_my_realm_val(HOST_ARG3_INDEX, far);
+ realm_printf("Plane exit FAR=0x%lx ESR=0x%lx ELR=0x%lx\n",
+ far, esr, elr);
+ rsi_exit_to_host(HOST_CALL_EXIT_SUCCESS_CMD);
+ }
+ return false;
+}
+
static bool test_realm_instr_fetch_cmd(void)
{
u_register_t base, new_top;
@@ -275,7 +315,7 @@
rsi_ipa_state_get(base, base + PAGE_SIZE, &new_top, &ripas);
realm_printf("Initial ripas=%u\n", ripas);
/* Causes instruction abort */
- realm_printf("Generate Instruction Abort\n");
+ realm_printf("Generate Instruction Abort base=0x%lx\n", base);
func_ptr = (void (*)(void))base;
func_ptr();
/* Should not return */
@@ -290,7 +330,7 @@
rsi_ipa_state_get(base, base + PAGE_SIZE, &new_top, &ripas);
realm_printf("Initial ripas=%u\n", ripas);
/* Causes data abort */
- realm_printf("Generate Data Abort\n");
+ realm_printf("Generate Data Abort base=0x%lx\n", base);
*((volatile uint64_t *)base);
return false;
@@ -431,6 +471,9 @@
case REALM_DATA_ACCESS_CMD:
test_succeed = test_realm_data_access_cmd();
break;
+ case REALM_PLANE_N_EXCEPTION_CMD:
+ test_succeed = test_plane_exception_cmd();
+ break;
case REALM_PAUTH_SET_CMD:
test_succeed = test_realm_pauth_set_cmd();
break;