aboutsummaryrefslogtreecommitdiff
path: root/common/psci/psci_entry.S
diff options
context:
space:
mode:
Diffstat (limited to 'common/psci/psci_entry.S')
-rw-r--r--common/psci/psci_entry.S21
1 files changed, 21 insertions, 0 deletions
diff --git a/common/psci/psci_entry.S b/common/psci/psci_entry.S
index a6a1a6f..28a4143 100644
--- a/common/psci/psci_entry.S
+++ b/common/psci/psci_entry.S
@@ -63,6 +63,17 @@ psci_aff_suspend_finish_entry:
psci_aff_common_finish_entry:
adr x22, psci_afflvl_power_on_finish
+
+ /* ---------------------------------------------
+ * Exceptions should not occur at this point.
+ * Set VBAR in order to handle and report any
+ * that do occur
+ * ---------------------------------------------
+ */
+ adr x0, early_exceptions
+ msr vbar_el3, x0
+ isb
+
bl read_mpidr
mov x19, x0
bl platform_set_coherent_stack
@@ -90,6 +101,16 @@ psci_aff_common_finish_entry:
mov x0, x19
bl platform_set_stack
+ /* ---------------------------------------------
+ * Now that the execution stack has been set
+ * up, enable full runtime exception handling.
+ * Since we're just about to leave this EL with
+ * ERET, we don't need an ISB here
+ * ---------------------------------------------
+ */
+ adr x0, runtime_exceptions
+ msr vbar_el3, x0
+
/* --------------------------------------------
* Use the size of the general purpose register
* context to restore the register state