diff options
Diffstat (limited to 'c/src/lib/libbsp/arm/shared/irq/irq_init.c')
| -rw-r--r-- | c/src/lib/libbsp/arm/shared/irq/irq_init.c | 51 |
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(); +} + |