diff options
| -rw-r--r-- | cpukit/ChangeLog | 6 | ||||
| -rw-r--r-- | cpukit/score/include/rtems/score/priority.h | 14 |
2 files changed, 20 insertions, 0 deletions
diff --git a/cpukit/ChangeLog b/cpukit/ChangeLog index ebbf038064..27be15eb9a 100644 --- a/cpukit/ChangeLog +++ b/cpukit/ChangeLog @@ -1,3 +1,9 @@ +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. + 2008-06-06 Joel Sherrill <joel.sherrill@oarcorp.com> * rtems/include/rtems.h, rtems/include/rtems/rtems/clock.h, 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 |