bsps: Move ARM GICv2 driver to bsps/shared

This moves the ARM GICv2 driver to bsps/shared to be usable by AArch64
code.

5 files changed, 8 insertions, 19 deletions

diff --git a/bsps/aarch64/shared/irq/irq-arm-gicv3-aarch64.c b/bsps/aarch64/shared/irq/irq-arm-gicvx-aarch64.c
index fe74bf46bd..67839118e1 100644
--- a/bsps/aarch64/shared/irq/irq-arm-gicv3-aarch64.c
+++ b/bsps/aarch64/shared/irq/irq-arm-gicvx-aarch64.c
@@ -60,5 +60,5 @@ void arm_interrupt_facility_set_exception_handler(void)
 
 void bsp_interrupt_dispatch(void)
 {
-  gicv3_interrupt_dispatch();
+  gicvx_interrupt_dispatch();
 }
diff --git a/bsps/arm/shared/irq/irq-arm-gicv3-aarch32.c b/bsps/arm/shared/irq/irq-arm-gicvx-aarch32.c
index b805199ba9..b9267aecba 100644
--- a/bsps/arm/shared/irq/irq-arm-gicv3-aarch32.c
+++ b/bsps/arm/shared/irq/irq-arm-gicvx-aarch32.c
@@ -57,5 +57,5 @@ void arm_interrupt_facility_set_exception_handler(void)
 
 void bsp_interrupt_dispatch(void)
 {
-  gicv3_interrupt_dispatch();
+  gicvx_interrupt_dispatch();
 }
diff --git a/bsps/include/dev/irq/arm-gic-irq.h b/bsps/include/dev/irq/arm-gic-irq.h
index a97191faca..d63fce32d1 100644
--- a/bsps/include/dev/irq/arm-gic-irq.h
+++ b/bsps/include/dev/irq/arm-gic-irq.h
@@ -122,10 +122,10 @@ void arm_interrupt_facility_set_exception_handler(void);
 void arm_interrupt_handler_dispatch(rtems_vector_number vector);
 
 /**
- * This is the GICv3 interrupt dispatcher that is to be called from the
+ * This is the GICv1/GICv2/GICv3 interrupt dispatcher that is to be called from the
  * architecture-specific implementation of the IRQ handler.
  */
-void gicv3_interrupt_dispatch(void);
+void gicvx_interrupt_dispatch(void);
 
 static inline uint32_t arm_gic_irq_processor_count(void)
 {
diff --git a/bsps/arm/shared/irq/irq-gic.c b/bsps/shared/dev/irq/arm-gicv2.c
index 1a401b67b6..cba8982764 100644
--- a/bsps/arm/shared/irq/irq-gic.c
+++ b/bsps/shared/dev/irq/arm-gicv2.c
@@ -14,10 +14,6 @@
 
 #include <dev/irq/arm-gic.h>
 
-#include <rtems/score/armv4.h>
-
-#include <libcpu/arm-cp15.h>
-
 #include <bsp/irq.h>
 #include <bsp/irq-generic.h>
 #include <bsp/start.h>
@@ -53,7 +49,7 @@
 #define CPUIF_ICCICR GIC_CPUIF_ICCICR_ENABLE
 #endif
 
-void bsp_interrupt_dispatch(void)
+void gicvx_interrupt_dispatch(void)
 {
   volatile gic_cpuif *cpuif = GIC_CPUIF;
   uint32_t icciar = cpuif->icciar;
@@ -61,11 +57,7 @@ void bsp_interrupt_dispatch(void)
   rtems_vector_number spurious = 1023;
 
   if (vector != spurious) {
-    uint32_t psr = _ARMV4_Status_irq_enable();
-
-    bsp_interrupt_handler_dispatch(vector);
-
-    _ARMV4_Status_restore(psr);
+    arm_interrupt_handler_dispatch(vector);
 
     cpuif->icceoir = icciar;
   }
@@ -117,10 +109,7 @@ rtems_status_code bsp_interrupt_facility_initialize(void)
   uint32_t id_count = get_id_count(dist);
   uint32_t id;
 
-  arm_cp15_set_exception_handler(
-    ARM_EXCEPTION_IRQ,
-    _ARMV4_Exception_interrupt
-  );
+  arm_interrupt_facility_set_exception_handler();
 
   for (id = 0; id < id_count; id += 32) {
 #ifdef BSP_ARM_GIC_ENABLE_FIQ_FOR_GROUP_0
diff --git a/bsps/shared/dev/irq/arm-gicv3.c b/bsps/shared/dev/irq/arm-gicv3.c
index ad39872eb0..da19300b15 100644
--- a/bsps/shared/dev/irq/arm-gicv3.c
+++ b/bsps/shared/dev/irq/arm-gicv3.c
@@ -134,7 +134,7 @@
 #define ARM_GIC_REDIST ((volatile gic_redist *) BSP_ARM_GIC_REDIST_BASE)
 #define ARM_GIC_SGI_PPI (((volatile gic_sgi_ppi *) ((char*)BSP_ARM_GIC_REDIST_BASE + (1 << 16))))
 
-void gicv3_interrupt_dispatch(void)
+void gicvx_interrupt_dispatch(void)
 {
   uint32_t icciar = READ_SR(ICC_IAR1);
   rtems_vector_number vector = GIC_CPUIF_ICCIAR_ACKINTID_GET(icciar);