diff options
Diffstat (limited to 'cpukit/score/cpu/arm/armv7m-exception-priority-get.c')
| -rw-r--r-- | cpukit/score/cpu/arm/armv7m-exception-priority-get.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/cpukit/score/cpu/arm/armv7m-exception-priority-get.c b/cpukit/score/cpu/arm/armv7m-exception-priority-get.c new file mode 100644 index 0000000000..f13357d90f --- /dev/null +++ b/cpukit/score/cpu/arm/armv7m-exception-priority-get.c @@ -0,0 +1,36 @@ +/* + * 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/cpu.h> + +#ifdef ARM_MULTILIB_ARCH_V7M + +#include <rtems/score/armv7m.h> + +int _ARMV7M_Get_exception_priority( int vector ) +{ + if (vector >= ARMV7M_VECTOR_IRQ(0)) { + return _ARMV7M_NVIC->ipr [vector - ARMV7M_VECTOR_IRQ(0)]; + } else if (vector >= ARMV7M_VECTOR_MEM_MANAGE) { + return _ARMV7M_SCB->shpr [vector - 4]; + } else { + return vector - 4; + } +} + +#endif /* ARM_MULTILIB_ARCH_V7M */ |