diff options
Diffstat (limited to 'cpukit/score/src/threadstartmultitasking.c')
| -rw-r--r-- | cpukit/score/src/threadstartmultitasking.c | 40 |
1 files changed, 29 insertions, 11 deletions
diff --git a/cpukit/score/src/threadstartmultitasking.c b/cpukit/score/src/threadstartmultitasking.c index a0b465a226..d97d2e0c82 100644 --- a/cpukit/score/src/threadstartmultitasking.c +++ b/cpukit/score/src/threadstartmultitasking.c @@ -1,3 +1,5 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + /** * @file * @@ -11,9 +13,26 @@ * COPYRIGHT (c) 1989-2006. * On-Line Applications Research Corporation (OAR). * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.org/license/LICENSE. + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. */ #ifdef HAVE_CONFIG_H @@ -22,6 +41,7 @@ #include <rtems/score/threadimpl.h> #include <rtems/score/assert.h> +#include <rtems/score/smpimpl.h> void _Thread_Start_multitasking( void ) { @@ -29,13 +49,8 @@ void _Thread_Start_multitasking( void ) Thread_Control *heir; #if defined(RTEMS_SMP) - _Per_CPU_State_change( cpu_self, PER_CPU_STATE_UP ); - - /* - * Threads begin execution in the _Thread_Handler() function. This - * function will set the thread dispatch disable level to zero. - */ - cpu_self->thread_dispatch_disable_level = 1; + _Per_CPU_Set_state( cpu_self, PER_CPU_STATE_UP ); + _SMP_Try_to_process_message( cpu_self, SMP_MESSAGE_FORCE_PROCESSING ); #endif heir = _Thread_Get_heir_and_make_it_executing( cpu_self ); @@ -49,6 +64,9 @@ void _Thread_Start_multitasking( void ) #if defined(_CPU_Start_multitasking) _CPU_Start_multitasking( &heir->Registers ); #elif defined(RTEMS_SMP) +#if CPU_ENABLE_ROBUST_THREAD_DISPATCH == TRUE +#error "The CPU port has to provide _CPU_Start_multitasking()" +#endif { Context_Control trash; @@ -59,7 +77,7 @@ void _Thread_Start_multitasking( void ) * executing to the currently selected heir thread. */ _CPU_Context_Set_is_executing( &trash, true ); - _CPU_Context_switch( &trash, &heir->Registers ); + _CPU_Context_switch_no_return( &trash, &heir->Registers ); RTEMS_UNREACHABLE(); } #else |