diff options
Diffstat (limited to 'c/src/lib/libbsp/shared/include/irq-generic.h')
| -rw-r--r-- | c/src/lib/libbsp/shared/include/irq-generic.h | 30 |
1 files changed, 26 insertions, 4 deletions
diff --git a/c/src/lib/libbsp/shared/include/irq-generic.h b/c/src/lib/libbsp/shared/include/irq-generic.h index 82267f4ef5..0bb4e4410e 100644 --- a/c/src/lib/libbsp/shared/include/irq-generic.h +++ b/c/src/lib/libbsp/shared/include/irq-generic.h @@ -9,10 +9,10 @@ /* * Based on concepts of Pavel Pisa, Till Straumann and Eric Valette. * - * Copyright (c) 2008-2012 embedded brains GmbH. + * Copyright (c) 2008-2014 embedded brains GmbH. * * embedded brains GmbH - * Obere Lagerstr. 30 + * Dornierstr. 4 * 82178 Puchheim * Germany * <rtems@embedded-brains.de> @@ -29,6 +29,10 @@ #include <rtems/irq-extension.h> +#ifdef RTEMS_SMP + #include <rtems/score/atomic.h> +#endif + #include <bsp/irq.h> #ifdef __cplusplus @@ -54,6 +58,17 @@ extern "C" { #define BSP_INTERRUPT_HANDLER_TABLE_SIZE BSP_INTERRUPT_VECTOR_NUMBER #endif +/* Internal macros for SMP support, do not use externally */ +#ifdef RTEMS_SMP + #define bsp_interrupt_disable(level) do { (void) level; } while (0) + #define bsp_interrupt_enable(level) do { } while (0) + #define bsp_interrupt_fence(order) _Atomic_Fence(order) +#else + #define bsp_interrupt_disable(level) rtems_interrupt_disable(level) + #define bsp_interrupt_enable(level) rtems_interrupt_enable(level) + #define bsp_interrupt_fence(order) do { } while (0) +#endif + struct bsp_interrupt_handler_entry { rtems_interrupt_handler handler; void *arg; @@ -238,11 +253,18 @@ rtems_status_code bsp_interrupt_vector_disable(rtems_vector_number vector); static inline void bsp_interrupt_handler_dispatch(rtems_vector_number vector) { if (bsp_interrupt_is_valid_vector(vector)) { - bsp_interrupt_handler_entry *e = + const bsp_interrupt_handler_entry *e = &bsp_interrupt_handler_table [bsp_interrupt_handler_index(vector)]; do { - (*e->handler)(e->arg); + rtems_interrupt_handler handler; + void *arg; + + arg = e->arg; + bsp_interrupt_fence(ATOMIC_ORDER_ACQUIRE); + handler = e->handler; + (*handler)(arg); + e = e->next; } while (e != NULL); } else { |