diff options
author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2011-08-08 12:36:15 +0000 |
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committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2011-08-08 12:36:15 +0000 |
commit | 2a514e80d94a12cf36718751b7bbb2aab8a4ee81 (patch) | |
tree | 374162e798136c3bef616fa1ad4938ad8aa5bae4 /c/src/lib/libbsp/arm/lpc24xx/irq/irq-dispatch.c | |
parent | 2011-08-08 Sebastian Huber <sebastian.huber@embedded-brains.de> (diff) | |
download | rtems-2a514e80d94a12cf36718751b7bbb2aab8a4ee81.tar.bz2 |
2011-08-08 Sebastian Huber <sebastian.huber@embedded-brains.de>
* irq/irq-dispatch.c: New file.
* irq/irq.c: Moved bsp_interrupt_dispatch() to new file.
* Makefile.am: Reflect change from above.
Diffstat (limited to '')
-rw-r--r-- | c/src/lib/libbsp/arm/lpc24xx/irq/irq-dispatch.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/arm/lpc24xx/irq/irq-dispatch.c b/c/src/lib/libbsp/arm/lpc24xx/irq/irq-dispatch.c new file mode 100644 index 0000000000..7368ba66a4 --- /dev/null +++ b/c/src/lib/libbsp/arm/lpc24xx/irq/irq-dispatch.c @@ -0,0 +1,43 @@ +/** + * @file + * + * @ingroup bsp_interrupt + * + * @brief LPC24XX interrupt support. + */ + +/* + * Copyright (c) 2008-2011 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 + * http://www.rtems.com/license/LICENSE. + */ + +#include <bsp.h> +#include <bsp/irq-generic.h> +#include <bsp/lpc24xx.h> + +void bsp_interrupt_dispatch(void) +{ + /* Read current vector number */ + rtems_vector_number vector = VICVectAddr; + + /* Enable interrupts in program status register */ + uint32_t psr = arm_status_irq_enable(); + + /* Dispatch interrupt handlers */ + bsp_interrupt_handler_dispatch(vector); + + /* Restore program status register */ + arm_status_restore(psr); + + /* Acknowledge interrupt */ + VICVectAddr = 0; +} |