bsps: Move interrupt controller support to bsps

This patch is a part of the BSP source reorganization.

Update #3285.

1 files changed, 58 insertions, 0 deletions

diff --git a/bsps/mips/hurricane/irq/vectorisrs.c b/bsps/mips/hurricane/irq/vectorisrs.c
new file mode 100644
index 0000000000..e55566697d
--- /dev/null
+++ b/bsps/mips/hurricane/irq/vectorisrs.c
@@ -0,0 +1,58 @@
+/**
+ *  @file
+ *
+ *  RM5231 Interrupt Vectoring  
+ */
+
+/*
+ *  COPYRIGHT (c) 1989-2012.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.org/license/LICENSE.
+ */
+
+#include <rtems.h>
+#include <stdlib.h>
+#include <libcpu/isr_entries.h>
+#include <libcpu/rm5231.h>
+#include <bsp/irq.h>
+#include <bsp/irq-generic.h>
+
+#include <rtems/bspIo.h>  /* for printk */
+
+void mips_default_isr( int vector );
+
+void mips_vector_isr_handlers( CPU_Interrupt_frame *frame )
+{
+  unsigned int sr;
+  unsigned int cause;
+  unsigned int i;
+  unsigned int mask;
+
+  mips_get_sr( sr );
+  mips_get_cause( cause );
+
+  cause &= (sr & SR_IMASK);
+  cause >>= CAUSE_IPSHIFT;
+
+  for ( i=1, mask=0x80 ; i<=8 ; i++, mask >>= 1 ) {
+    if ( cause & mask )
+      bsp_interrupt_handler_dispatch( MIPS_INTERRUPT_BASE + 8 - i );
+  }
+}
+
+void mips_default_isr( int vector )
+{
+  unsigned int sr;
+  unsigned int cause;
+
+  mips_get_sr( sr );
+  mips_get_cause( cause );
+
+  printk( "Unhandled isr exception: vector 0x%02x, cause 0x%08X, sr 0x%08X\n",
+      vector, cause, sr );
+  rtems_fatal_error_occurred(1);
+}
+