Port of RTEMS to the ARM processor family by Eric Valette

<valette@crf.canon.fr> and Emmanuel Raguet <raguet@crf.canon.fr>
of Canon CRF - Communication Dept.  This port includes a
basic BSP that is sufficient to link hello world.

1 files changed, 51 insertions, 0 deletions

diff --git a/c/src/lib/libbsp/arm/shared/irq/irq_init.c b/c/src/lib/libbsp/arm/shared/irq/irq_init.c
new file mode 100644
index 0000000000..a815657f8d
--- /dev/null
+++ b/c/src/lib/libbsp/arm/shared/irq/irq_init.c
@@ -0,0 +1,51 @@
+/* irq_init.c
+ *
+ *  This file contains the implementation of rtems initialization
+ *  related to interrupt handling.
+ *
+ *  CopyRight (C) 2000 Canon Research Centre France SA.
+ *  Emmanuel Raguet, mailto:raguet@crf.canon.fr
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.OARcorp.com/rtems/license.html.
+ *
+ *  $Id$
+ */
+
+#include <irq.h>
+#include <bsp.h>
+#include <bspio.h>
+#include <registers.h>
+
+/*
+ * default int vector
+ */
+extern void _ISR_Handler();
+
+void default_int_handler()
+{
+  printk("raw_idt_notify has been called \n");
+}
+
+void  rtems_irq_mngt_init()
+{
+    int 			i;
+    long			*vectorTable;
+    
+    vectorTable = VECTOR_TABLE;
+    
+    _CPU_ISR_Disable(level);
+
+    /* First, connect the ISR_Handler for IRQ and FIQ interrupts */
+    _CPU_ISR_install_vector(ARM_EXCEPTION_IRQ, _ISR_Handler, NULL); 	
+    _CPU_ISR_install_vector(ARM_EXCEPTION_FIQ, _ISR_Handler, NULL); 	   
+
+     /* Initialize the vector table contents with default handler */
+    for (i=0; i<BSP_MAX_INT; i++)
+      *(vectorTable + i) = (long)(default_int_handler);
+
+    /* Initialize the INT at the BSP level */
+    BSP_rtems_irq_mngt_init();
+}
+