diff options
Diffstat (limited to 'cpukit/score/cpu/arm/armv7m-isr-vector-install.c')
| -rw-r--r-- | cpukit/score/cpu/arm/armv7m-isr-vector-install.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/cpukit/score/cpu/arm/armv7m-isr-vector-install.c b/cpukit/score/cpu/arm/armv7m-isr-vector-install.c new file mode 100644 index 0000000000..c2f52943cb --- /dev/null +++ b/cpukit/score/cpu/arm/armv7m-isr-vector-install.c @@ -0,0 +1,41 @@ +/* + * Copyright (c) 2011 Sebastian Huber. 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. + */ + +#ifdef HAVE_CONFIG_H + #include "config.h" +#endif + +#include <rtems/score/isr.h> + +#ifdef ARM_MULTILIB_ARCH_V7M + +#include <rtems/score/armv7m.h> + +void _CPU_ISR_install_vector( + uint32_t vector, + proc_ptr new_handler, + proc_ptr *old_handler +) +{ + uint32_t level; + + _ISR_Disable( level ); + if ( old_handler != NULL ) { + *old_handler = _ARMV7M_Get_exception_handler( (int) vector ); + } + _ARMV7M_Set_exception_handler( (int) vector, new_handler ); + _ISR_Enable( level ); +} + +#endif /* ARM_MULTILIB_ARCH_V7M */ |