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| author | Joel Sherrill <joel.sherrill@OARcorp.com> | 2009-07-10 20:32:48 +0000 |
|---|---|---|
| committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 2009-07-10 20:32:48 +0000 |
| commit | 3a0827287dc2c2328e953fead2b883501053c444 (patch) | |
| tree | b531e6db204a3acaa8d7ab7c434b90aed1790b5c /cpukit | |
| parent | 2009-07-10 Joel Sherrill <joel.sherrill@OARcorp.com> (diff) | |
| download | rtems-3a0827287dc2c2328e953fead2b883501053c444.tar.bz2 | |
2009-07-10 Joel Sherrill <joel.sherrill@OARcorp.com>
* configure.ac, score/src/threadqenqueuepriority.c: Add
RTEMS_DO_NOT_UNROLL_THREADQ_ENQUEUE_PRIORITY to give user ability to
disable the loop in _Thread_queue_Enqueue_priority from being
unrolled. This reduces code size and makes coverage analysis easier.
Diffstat (limited to 'cpukit')
| -rw-r--r-- | cpukit/ChangeLog | 7 | ||||
| -rw-r--r-- | cpukit/configure.ac | 6 | ||||
| -rw-r--r-- | cpukit/score/src/threadqenqueuepriority.c | 13 |
3 files changed, 23 insertions, 3 deletions
diff --git a/cpukit/ChangeLog b/cpukit/ChangeLog index 46815a926e..c9abd19ace 100644 --- a/cpukit/ChangeLog +++ b/cpukit/ChangeLog @@ -1,3 +1,10 @@ +2009-07-10 Joel Sherrill <joel.sherrill@OARcorp.com> + + * configure.ac, score/src/threadqenqueuepriority.c: Add + RTEMS_DO_NOT_UNROLL_THREADQ_ENQUEUE_PRIORITY to give user ability to + disable the loop in _Thread_queue_Enqueue_priority from being + unrolled. This reduces code size and makes coverage analysis easier. + 2009-07-09 Joel Sherrill <joel.sherrill@OARcorp.com> * score/src/watchdogadjusttochain.c: Rework to ease code coverage diff --git a/cpukit/configure.ac b/cpukit/configure.ac index 6d377d26fd..32c4fcb8b2 100644 --- a/cpukit/configure.ac +++ b/cpukit/configure.ac @@ -232,6 +232,12 @@ RTEMS_CPUOPT([__RTEMS_DO_NOT_INLINE_CORE_MUTEX_SEIZE__], [1], [disable inlining _Thread_Enable_dispatch]) +## This improves both the size and coverage analysis. +RTEMS_CPUOPT([__RTEMS_DO_NOT_UNROLL_THREADQ_ENQUEUE_PRIORITY__], + [test x"${RTEMS_DO_NOT_UNROLL_THREADQ_ENQUEUE_PRIORITY}" = x"1"], + [1], + [disable inlining _Thread_queue_Enqueue_priority]) + ## This gives the same behavior as 4.8 and older RTEMS_CPUOPT([__RTEMS_STRICT_ORDER_MUTEX__], [test x"${ENABLE_STRICT_ORDER_MUTEX}" = x"1"], diff --git a/cpukit/score/src/threadqenqueuepriority.c b/cpukit/score/src/threadqenqueuepriority.c index cad998cf87..f2652ea4b0 100644 --- a/cpukit/score/src/threadqenqueuepriority.c +++ b/cpukit/score/src/threadqenqueuepriority.c @@ -1,8 +1,7 @@ /* - * Thread Queue Handler + * Thread Queue Handler - Enqueue By Priority * - * - * COPYRIGHT (c) 1989-2008. + * COPYRIGHT (c) 1989-2009. * On-Line Applications Research Corporation (OAR). * * The license and distribution terms for this file may be @@ -25,6 +24,14 @@ #include <rtems/score/threadq.h> #include <rtems/score/tqdata.h> +/* + * Support the user forcing the unrolling to be disabled. + */ +#if __RTEMS_DO_NOT_UNROLL_THREADQ_ENQUEUE_PRIORITY__ + #undef CPU_UNROLL_ENQUEUE_PRIORITY + #define CPU_UNROLL_ENQUEUE_PRIORITY FALSE +#endif + /*PAGE * * _Thread_queue_Enqueue_priority |