diff options
Diffstat (limited to 'c/src/lib/libbsp/mips/hurricane/irq/vectorisrs.c')
-rw-r--r-- | c/src/lib/libbsp/mips/hurricane/irq/vectorisrs.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/mips/hurricane/irq/vectorisrs.c b/c/src/lib/libbsp/mips/hurricane/irq/vectorisrs.c new file mode 100644 index 0000000000..c0c4b85bad --- /dev/null +++ b/c/src/lib/libbsp/mips/hurricane/irq/vectorisrs.c @@ -0,0 +1,60 @@ +/** + * @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.com/license/LICENSE. + * + * $Id$ + */ + +#include <rtems.h> +#include <stdlib.h> +#include <libcpu/rm5231.h> +#include <bsp/irq.h> +#include <bsp/irq-generic.h> + +#include <rtems/bspIo.h> /* for printk */ + +void mips_vector_isr_handlers( CPU_Interrupt_frame *frame ); +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); +} + |