diff options
Diffstat (limited to 'c/src/lib/libcpu/powerpc/mpc55xx/irq/irq.c')
| -rw-r--r-- | c/src/lib/libcpu/powerpc/mpc55xx/irq/irq.c | 39 |
1 files changed, 29 insertions, 10 deletions
diff --git a/c/src/lib/libcpu/powerpc/mpc55xx/irq/irq.c b/c/src/lib/libcpu/powerpc/mpc55xx/irq/irq.c index c60a3016f8..024ea80aa6 100644 --- a/c/src/lib/libcpu/powerpc/mpc55xx/irq/irq.c +++ b/c/src/lib/libcpu/powerpc/mpc55xx/irq/irq.c @@ -7,12 +7,13 @@ */ /* - * Copyright (c) 2008 - * Embedded Brains GmbH - * Obere Lagerstr. 30 - * D-82178 Puchheim - * Germany - * rtems@embedded-brains.de + * Copyright (c) 2008-2012 embedded brains GmbH. All rights reserved. + * + * embedded brains GmbH + * Obere Lagerstr. 30 + * 82178 Puchheim + * Germany + * <rtems@embedded-brains.de> * * The license and distribution terms for this file may be * found in the file LICENSE in this distribution or at @@ -112,10 +113,7 @@ rtems_status_code mpc55xx_interrupt_handler_install( } } -/** - * @brief External exception handler. - */ -static int mpc55xx_external_exception_handler( BSP_Exception_frame *frame, unsigned exception_number) +static void mpc55xx_interrupt_dispatch(void) { /* Acknowlege interrupt request */ rtems_vector_number vector = INTC.IACKR.B.INTVEC; @@ -131,18 +129,39 @@ static int mpc55xx_external_exception_handler( BSP_Exception_frame *frame, unsig /* End of interrupt */ INTC.EOIR.R = 1; +} + +#ifndef PPC_EXC_CONFIG_USE_FIXED_HANDLER + +/** + * @brief External exception handler. + */ +static int mpc55xx_external_exception_handler( BSP_Exception_frame *frame, unsigned exception_number) +{ + mpc55xx_interrupt_dispatch(); return 0; } +#else /* PPC_EXC_CONFIG_USE_FIXED_HANDLER */ + +void bsp_interrupt_dispatch(void) +{ + mpc55xx_interrupt_dispatch(); +} + +#endif /* PPC_EXC_CONFIG_USE_FIXED_HANDLER */ + rtems_status_code bsp_interrupt_facility_initialize(void) { rtems_vector_number vector; +#ifndef PPC_EXC_CONFIG_USE_FIXED_HANDLER /* Install exception handler */ if (ppc_exc_set_handler( ASM_EXT_VECTOR, mpc55xx_external_exception_handler)) { return RTEMS_IO_ERROR; } +#endif /* Initialize interrupt controller */ |