fork
Fork of mbed-rtos by
Diff: rtx/TARGET_CORTEX_A/rt_Robin.c
- Revision:
- 105:94371fac911d
- Parent:
- 104:07314541bd12
--- a/rtx/TARGET_CORTEX_A/rt_Robin.c Thu Feb 18 10:00:31 2016 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,88 +0,0 @@ -/*---------------------------------------------------------------------------- - * RL-ARM - RTX - *---------------------------------------------------------------------------- - * Name: RT_ROBIN.C - * Purpose: Round Robin Task switching - * Rev.: V4.70 - *---------------------------------------------------------------------------- - * - * Copyright (c) 1999-2009 KEIL, 2009-2013 ARM Germany GmbH - * All rights reserved. - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - 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. - * - Neither the name of ARM nor the names of its contributors may be used - * to endorse or promote products derived from this software without - * specific prior written permission. - * - * 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 COPYRIGHT HOLDERS AND 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. - *---------------------------------------------------------------------------*/ - -#include "rt_TypeDef.h" -#include "RTX_Config.h" -#include "rt_List.h" -#include "rt_Task.h" -#include "rt_Time.h" -#include "rt_Robin.h" -#ifdef __CORTEX_A9 -#include "rt_HAL_CA.h" -#else -#include "rt_HAL_CM.h" -#endif - -/*---------------------------------------------------------------------------- - * Global Variables - *---------------------------------------------------------------------------*/ - -struct OS_ROBIN os_robin; - - -/*---------------------------------------------------------------------------- - * Global Functions - *---------------------------------------------------------------------------*/ - -/*--------------------------- rt_init_robin ---------------------------------*/ - -__weak void rt_init_robin (void) { - /* Initialize Round Robin variables. */ - os_robin.task = NULL; - os_robin.tout = (U16)os_rrobin; -} - -/*--------------------------- rt_chk_robin ----------------------------------*/ - -__weak void rt_chk_robin (void) { - /* Check if Round Robin timeout expired and switch to the next ready task.*/ - P_TCB p_new; - - if (os_robin.task != os_rdy.p_lnk) { - /* New task was suspended, reset Round Robin timeout. */ - os_robin.task = os_rdy.p_lnk; - os_robin.time = (U16)os_time + os_robin.tout - 1; - } - if (os_robin.time == (U16)os_time) { - /* Round Robin timeout has expired, swap Robin tasks. */ - os_robin.task = NULL; - p_new = rt_get_first (&os_rdy); - rt_put_prio ((P_XCB)&os_rdy, p_new); - } -} - -/*---------------------------------------------------------------------------- - * end of file - *---------------------------------------------------------------------------*/ -