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| author | Chris Johns <chrisj@rtems.org> | 2008-06-11 08:19:53 +0000 |
|---|---|---|
| committer | Chris Johns <chrisj@rtems.org> | 2008-06-11 08:19:53 +0000 |
| commit | a552181af9a4a31facd9ce8e3743223b1d9ff94e (patch) | |
| tree | 7699d32df74946e081fa144fa2752dce78750466 /cpukit/score/include/rtems/score/priority.h | |
| parent | hris Johns <chrisj@rtems.org> (diff) | |
| download | rtems-a552181af9a4a31facd9ce8e3743223b1d9ff94e.tar.bz2 | |
2008-06-10 Chris Johns <chrisj@rtems.org>
* score/include/rtems/score/priority.h: Let the CPU define the
maximum and minimum priority levels to reduce the amount of memory
thread chains use.
Diffstat (limited to 'cpukit/score/include/rtems/score/priority.h')
| -rw-r--r-- | cpukit/score/include/rtems/score/priority.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/cpukit/score/include/rtems/score/priority.h b/cpukit/score/include/rtems/score/priority.h index bfe43e282d..86c0e83de6 100644 --- a/cpukit/score/include/rtems/score/priority.h +++ b/cpukit/score/include/rtems/score/priority.h @@ -40,6 +40,11 @@ extern "C" { #endif +/* + * Processor specific information. + */ +#include <rtems/score/cpu.h> + /** * The following type defines the control block used to manage * thread priorities. @@ -49,9 +54,18 @@ extern "C" { typedef uint32_t Priority_Control; /** This defines the highest (most important) thread priority. */ +#if defined (CPU_PRIORITY_MINIMUM) +#define PRIORITY_MINIMUM CPU_PRIORITY_MINIMUM +#else #define PRIORITY_MINIMUM 0 +#endif + /** This defines the lowest (least important) thread priority. */ +#if defined (CPU_PRIORITY_MAXIMUM) +#define PRIORITY_MAXIMUM CPU_PRIORITY_MAXIMUM +#else #define PRIORITY_MAXIMUM 255 +#endif /** * The following record defines the information associated with |