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-rw-r--r--bl31/interrupt_mgmt.c16
-rw-r--r--include/bl31/interrupt_mgmt.h16
2 files changed, 20 insertions, 12 deletions
diff --git a/bl31/interrupt_mgmt.c b/bl31/interrupt_mgmt.c
index 206578b4..e9918515 100644
--- a/bl31/interrupt_mgmt.c
+++ b/bl31/interrupt_mgmt.c
@@ -67,18 +67,15 @@ typedef struct intr_type_desc {
static intr_type_desc_t intr_type_descs[MAX_INTR_TYPES];
/*******************************************************************************
- * This function validates the interrupt type. EL3 interrupts are currently not
- * supported.
+ * This function validates the interrupt type.
******************************************************************************/
static int32_t validate_interrupt_type(uint32_t type)
{
- if (type == INTR_TYPE_EL3)
- return -ENOTSUP;
-
- if (type != INTR_TYPE_S_EL1 && type != INTR_TYPE_NS)
- return -EINVAL;
+ if (type == INTR_TYPE_S_EL1 || type == INTR_TYPE_NS ||
+ type == INTR_TYPE_EL3)
+ return 0;
- return 0;
+ return -EINVAL;
}
/*******************************************************************************
@@ -95,6 +92,9 @@ static int32_t validate_routing_model(uint32_t type, uint32_t flags)
if (type == INTR_TYPE_NS)
return validate_ns_interrupt_rm(flags);
+ if (type == INTR_TYPE_EL3)
+ return validate_el3_interrupt_rm(flags);
+
return -EINVAL;
}
diff --git a/include/bl31/interrupt_mgmt.h b/include/bl31/interrupt_mgmt.h
index e07ddf83..0172b607 100644
--- a/include/bl31/interrupt_mgmt.h
+++ b/include/bl31/interrupt_mgmt.h
@@ -63,6 +63,10 @@
#define INTR_NS_VALID_RM0 0x0
/* Routed to EL1/EL2 from NS and to EL3 from Secure */
#define INTR_NS_VALID_RM1 0x1
+/* Routed to EL3 from NS. Taken to S-EL1 from Secure and handed over to EL3 */
+#define INTR_EL3_VALID_RM0 0x2
+/* Routed to EL3 from NS and Secure */
+#define INTR_EL3_VALID_RM1 0x3
/* This is the default routing model */
#define INTR_DEFAULT_RM 0x0
@@ -87,12 +91,16 @@
* of interrupt. If the model does not match one of the valid masks
* -EINVAL is returned.
******************************************************************************/
-#define validate_sel1_interrupt_rm(x) (x == INTR_SEL1_VALID_RM0 ? 0 : \
- (x == INTR_SEL1_VALID_RM1 ? 0 :\
+#define validate_sel1_interrupt_rm(x) ((x) == INTR_SEL1_VALID_RM0 ? 0 : \
+ ((x) == INTR_SEL1_VALID_RM1 ? 0 :\
+ -EINVAL))
+
+#define validate_ns_interrupt_rm(x) ((x) == INTR_NS_VALID_RM0 ? 0 : \
+ ((x) == INTR_NS_VALID_RM1 ? 0 :\
-EINVAL))
-#define validate_ns_interrupt_rm(x) (x == INTR_NS_VALID_RM0 ? 0 : \
- (x == INTR_NS_VALID_RM1 ? 0 :\
+#define validate_el3_interrupt_rm(x) ((x) == INTR_EL3_VALID_RM0 ? 0 : \
+ ((x) == INTR_EL3_VALID_RM1 ? 0 :\
-EINVAL))
/*******************************************************************************