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2008-06-10 Chris Johns <chrisj@rtems.org>

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* 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.
This commit is contained in:
Chris Johns
2008-06-11 08:19:53 +00:00
parent e339d8b718
commit a552181af9
2 changed files with 20 additions and 0 deletions
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cpukit/ChangeLog
+6
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@@ -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> 2008-06-06 Joel Sherrill <joel.sherrill@oarcorp.com>
* rtems/include/rtems.h, rtems/include/rtems/rtems/clock.h, * rtems/include/rtems.h, rtems/include/rtems/rtems/clock.h,
cpukit/score/include/rtems/score/priority.h
+14
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@@ -40,6 +40,11 @@
extern "C" { extern "C" {
#endif #endif
/*
* Processor specific information.
*/
#include <rtems/score/cpu.h>
/** /**
* The following type defines the control block used to manage * The following type defines the control block used to manage
* thread priorities. * thread priorities.
@@ -49,9 +54,18 @@ extern "C" {
typedef uint32_t Priority_Control; typedef uint32_t Priority_Control;
/** This defines the highest (most important) thread priority. */ /** This defines the highest (most important) thread priority. */
#if defined (CPU_PRIORITY_MINIMUM)
#define PRIORITY_MINIMUM CPU_PRIORITY_MINIMUM
#else
#define PRIORITY_MINIMUM 0 #define PRIORITY_MINIMUM 0
#endif
/** This defines the lowest (least important) thread priority. */ /** This defines the lowest (least important) thread priority. */
#if defined (CPU_PRIORITY_MAXIMUM)
#define PRIORITY_MAXIMUM CPU_PRIORITY_MAXIMUM
#else
#define PRIORITY_MAXIMUM 255 #define PRIORITY_MAXIMUM 255
#endif
/** /**
* The following record defines the information associated with * The following record defines the information associated with