diff options
Diffstat (limited to 'bsps/mips/malta/irq/vectorisrs.c')
-rw-r--r-- | bsps/mips/malta/irq/vectorisrs.c | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/bsps/mips/malta/irq/vectorisrs.c b/bsps/mips/malta/irq/vectorisrs.c new file mode 100644 index 0000000000..a2b9288646 --- /dev/null +++ b/bsps/mips/malta/irq/vectorisrs.c @@ -0,0 +1,90 @@ +/** + * @file + * + */ + +/* + * 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 <bsp/irq-generic.h> +#include <bsp/pci.h> +#include <bsp/i8259.h> +#include <bsp.h> +#include <libcpu/isr_entries.h> + +void mips_default_isr( int vector ); + +#include <rtems/bspIo.h> /* for printk */ + +void mips_vector_isr_handlers( CPU_Interrupt_frame *frame ) +{ + unsigned int sr; + unsigned int cause; + unsigned int pending; + + mips_get_sr( sr ); + mips_get_cause( cause ); + + pending = (cause & sr & 0xff00) >> CAUSE_IPSHIFT; + + /* SW Bits */ + if ( pending & 0x01) { + printk("Pending IRQ Q 0x%x\n", pending ); + } + + if ( pending & 0x02) { + printk("Pending IRQ Q 0x%x\n", pending ); + } + + /* South Bridge Interrupt */ + if ( pending & 0x04) { + BSP_i8259s_int_process(); + } + + /* South Bridge SMI */ + if (pending & 0x08){ + printk( "Pending IRQ 0x%x\n", pending ); + } + + /* TTY 2 */ + if (pending & 0x10) { + printk( "Pending IRQ 0x%x\n", pending ); + } + /* Core HI */ + if (pending & 0x20) { + printk( "Pending IRQ 0x%x\n", pending ); + } + /* Core LO */ + if (pending & 0x40) { + printk( "Pending IRQ 0x%x\n", pending ); + } + + if ( pending & 0x80 ) { + bsp_interrupt_handler_dispatch( MALTA_INT_TICKER ); + } +} + +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 ); + + while(1); /* Lock it up */ + + rtems_fatal_error_occurred(1); +} + |