XTENSA: Add function prototypes

arch/xtensa/include/irq.h

@@ -47,6 +47,7 @@
 /* Include NuttX-specific IRQ definitions */
 
 #include <nuttx/irq.h>
+#include <arch/types.h>
 
 /* Include architecture-specific IRQ definitions */
 
@@ -180,10 +181,6 @@ struct xcptcontext
  * Public Data
  ****************************************************************************/
 
-/****************************************************************************
- * Public Function Prototypes
- ****************************************************************************/
-
 #ifdef __cplusplus
 #define EXTERN extern "C"
 extern "C"
@@ -192,6 +189,34 @@ extern "C"
 #define EXTERN extern
 #endif
 
+/****************************************************************************
+ * Public Function Prototypes
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: xtensa_enable_interrupts
+ *
+ * Description:
+ *   Enables a set of interrupts. Does not simply set INTENABLE directly,
+ *   but computes it as a function of the current virtual priority.
+ *   Can be called from interrupt handlers.
+ *
+ ****************************************************************************/
+
+irqstate_t xtensa_enable_interrupts(irqstate_t mask);
+
+/****************************************************************************
+ * Name: xtensa_disable_interrupts
+ *
+ * Description:
+ *   Disables a set of interrupts. Does not simply set INTENABLE directly,
+ *   but computes it as a function of the current virtual priority.
+ *   Can be called from interrupt handlers.
+ *
+ ****************************************************************************/
+
+irqstate_t xtensa_disable_interrupts(irqstate_t mask);
+
 #undef EXTERN
 #ifdef __cplusplus
 }

arch/xtensa/include/types.h

@@ -83,7 +83,7 @@ typedef unsigned long      _uintptr_t;
 
 /* This is the size of the interrupt state save returned by up_irq_save(). */
 
-typedef unsigned long      irqstate_t;
+typedef unsigned int       irqstate_t;
 
 #endif /* __ASSEMBLY__ */