From 0faa9dad0768f0291cb44d8d0dcb74fd3f362cc2 Mon Sep 17 00:00:00 2001 From: Joel Sherrill Date: Wed, 24 Nov 2010 15:51:28 +0000 Subject: 2010-11-24 Gedare Bloom PR 1647/cpukit * posix/src/nanosleep.c, posix/src/sched_yield.c, rtems/src/taskwakeafter.c, sapi/include/confdefs.h, sapi/include/rtems/config.h, sapi/src/exinit.c, score/Makefile.am, score/preinstall.am, score/include/rtems/score/prioritybitmap.h, score/include/rtems/score/thread.h, score/inline/rtems/score/thread.inl, score/src/thread.c, score/src/threadchangepriority.c, score/src/threadclearstate.c, score/src/threadclose.c, score/src/threadinitialize.c, score/src/threadready.c, score/src/threadresume.c, score/src/threadsetpriority.c, score/src/threadsetstate.c, score/src/threadsettransient.c, score/src/threadsuspend.c, score/src/threadtickletimeslice.c: Refactor scheduler out of thread handler to facilitate alternate scheduler implementations. * score/src/threadyieldprocessor.c: Removed. * score/src/schedulerprioritythreadschedulerupdate.c, score/src/schedulerprioritythreadschedulerfree.c, score/src/schedulerpriorityblock.c, score/src/scheduler.c, score/src/schedulerprioritythreadschedulerallocate.c, score/src/schedulerpriorityunblock.c, score/src/schedulerpriority.c, score/src/schedulerpriorityyield.c, score/include/rtems/score/schedulerpriority.h, score/include/rtems/score/scheduler.h, score/inline/rtems/score/scheduler.inl, score/inline/rtems/score/schedulerpriority.inl: New files. --- cpukit/score/src/schedulerpriority.c | 66 ++++++++++++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 cpukit/score/src/schedulerpriority.c (limited to 'cpukit/score/src/schedulerpriority.c') diff --git a/cpukit/score/src/schedulerpriority.c b/cpukit/score/src/schedulerpriority.c new file mode 100644 index 0000000000..5e7ad61d9a --- /dev/null +++ b/cpukit/score/src/schedulerpriority.c @@ -0,0 +1,66 @@ +/* + * Scheduler Handler + * + * Copyright (C) 2010 Gedare Bloom. + * + * 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. + * + * $Id$ + */ + +#if HAVE_CONFIG_H +#include "config.h" +#endif + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* Instantiate any global variables needed by the priority scheduler */ +volatile Priority_bit_map_Control _Priority_Major_bit_map; + +Priority_bit_map_Control _Priority_Bit_map[16] CPU_STRUCTURE_ALIGNMENT; + +/* + * _Scheduler_priority_Initialize + * + * Initializes the scheduler for priority scheduling. + * + * Input parameters: + * the_scheduler - pointer to scheduler control + * + * Output parameters: NONE + */ + +void _Scheduler_priority_Initialize ( + Scheduler_Control *the_scheduler +) +{ + /* the operations table is a jump table to redirect generic scheduler + * function calls to scheduler implementation specific functions. The + * main purpose of scheduler initialization is to set up the jump table + * for the scheduler. Every scheduler implementation provides its own + * scheduler operations table. + */ + the_scheduler->operations.schedule = &_Scheduler_priority_Schedule; + the_scheduler->operations.yield = &_Scheduler_priority_Yield; + the_scheduler->operations.block = &_Scheduler_priority_Block; + the_scheduler->operations.unblock = &_Scheduler_priority_Unblock; + the_scheduler->operations.scheduler_allocate = + &_Scheduler_priority_Thread_scheduler_allocate; + the_scheduler->operations.scheduler_free = + &_Scheduler_priority_Thread_scheduler_free; + the_scheduler->operations.scheduler_update = + &_Scheduler_priority_Thread_scheduler_update; + + _Scheduler_priority_Ready_queue_initialize( the_scheduler ); + _Priority_bit_map_Handler_initialization( ); +} -- cgit v1.2.3