1 files changed, 159 insertions, 1 deletions

diff --git a/libcpu/arm/cortex-a/interrupt.c b/libcpu/arm/cortex-a/interrupt.c
index 0d440d1d0e..65e51fa3ae 100644
--- a/libcpu/arm/cortex-a/interrupt.c
+++ b/libcpu/arm/cortex-a/interrupt.c
@@ -83,7 +83,7 @@ void rt_hw_interrupt_umask(int vector)
  */
 int rt_hw_interrupt_get_irq(void)
 {
-    return arm_gic_get_active_irq(0) & GIC_ACK_INTID_MASK;
+    return arm_gic_get_active_irq(0);
 }
 
 /**
@@ -94,6 +94,150 @@ void rt_hw_interrupt_ack(int vector)
 {
     arm_gic_ack(0, vector);
 }
+
+/**
+ * This function set interrupt CPU targets.
+ * @param vector:   the interrupt number
+ *        cpu_mask: target cpus mask, one bit for one core
+ */
+void rt_hw_interrupt_set_target_cpus(int vector, unsigned int cpu_mask)
+{
+    arm_gic_set_cpu(0, vector, cpu_mask);
+}
+
+/**
+ * This function get interrupt CPU targets.
+ * @param vector: the interrupt number
+ * @return target cpus mask, one bit for one core
+ */
+unsigned int rt_hw_interrupt_get_target_cpus(int vector)
+{
+    return arm_gic_get_target_cpu(0, vector);
+}
+
+/**
+ * This function set interrupt triger mode.
+ * @param vector: the interrupt number
+ *        mode:   interrupt triger mode; 0: level triger, 1: edge triger
+ */
+void rt_hw_interrupt_set_triger_mode(int vector, unsigned int mode)
+{
+    arm_gic_set_configuration(0, vector, mode);
+}
+
+/**
+ * This function get interrupt triger mode.
+ * @param vector: the interrupt number
+ * @return interrupt triger mode; 0: level triger, 1: edge triger
+ */
+unsigned int rt_hw_interrupt_get_triger_mode(int vector)
+{
+    return arm_gic_get_configuration(0, vector);
+}
+
+/**
+ * This function set interrupt pending flag.
+ * @param vector: the interrupt number
+ */
+void rt_hw_interrupt_set_pending(int vector)
+{
+    arm_gic_set_pending_irq(0, vector);
+}
+
+/**
+ * This function get interrupt pending flag.
+ * @param vector: the interrupt number
+ * @return interrupt pending flag, 0: not pending; 1: pending
+ */
+unsigned int rt_hw_interrupt_get_pending(int vector)
+{
+    return arm_gic_get_pending_irq(0, vector);
+}
+
+/**
+ * This function clear interrupt pending flag.
+ * @param vector: the interrupt number
+ */
+void rt_hw_interrupt_clear_pending(int vector)
+{
+    arm_gic_clear_pending_irq(0, vector);
+}
+
+/**
+ * This function set interrupt priority value.
+ * @param vector: the interrupt number
+ *        priority: the priority of interrupt to set
+ */
+void rt_hw_interrupt_set_priority(int vector, unsigned int priority)
+{
+    arm_gic_set_priority(0, vector, priority);
+}
+
+/**
+ * This function get interrupt priority.
+ * @param vector: the interrupt number
+ * @return interrupt priority value
+ */
+unsigned int rt_hw_interrupt_get_priority(int vector)
+{
+    return arm_gic_get_priority(0, vector);
+}
+
+/**
+ * This function set priority masking threshold.
+ * @param priority: priority masking threshold
+ */
+void rt_hw_interrupt_set_priority_mask(unsigned int priority)
+{
+    arm_gic_set_interface_prior_mask(0, priority);
+}
+
+/**
+ * This function get priority masking threshold.
+ * @param none
+ * @return priority masking threshold
+ */
+unsigned int rt_hw_interrupt_get_priority_mask(void)
+{
+    return arm_gic_get_interface_prior_mask(0);
+}
+
+/**
+ * This function set priority grouping field split point.
+ * @param bits: priority grouping field split point
+ * @return 0: success; -1: failed
+ */
+int rt_hw_interrupt_set_prior_group_bits(unsigned int bits)
+{
+    int status;
+
+    if (bits < 8)
+    {
+        arm_gic_set_binary_point(0, (7 - bits));
+        status = 0;
+    }
+    else
+    {
+        status = -1;
+    }
+
+    return (status);
+}
+
+/**
+ * This function get priority grouping field split point.
+ * @param none
+ * @return priority grouping field split point
+ */
+unsigned int rt_hw_interrupt_get_prior_group_bits(void)
+{
+    unsigned int bp;
+
+    bp = arm_gic_get_binary_point(0) & 0x07;
+
+    return (7 - bp);
+}
+
 /**
  * This function will install a interrupt service routine to a interrupt.
  * @param vector the interrupt number
@@ -121,3 +265,17 @@ rt_isr_handler_t rt_hw_interrupt_install(int vector, rt_isr_handler_t handler,
 
     return old_handler;
 }
+
+#ifdef RT_USING_SMP
+void rt_hw_ipi_send(int ipi_vector, unsigned int cpu_mask)
+{
+    arm_gic_send_sgi(0, ipi_vector, cpu_mask, 0);
+}
+
+void rt_hw_ipi_handler_install(int ipi_vector, rt_isr_handler_t ipi_isr_handler)
+{
+    /* note: ipi_vector maybe different with irq_vector */
+    rt_hw_interrupt_install(ipi_vector, ipi_isr_handler, 0, "IPI_HANDLER");
+}
+#endif
+