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Diffstat (limited to 'libraries/mbed/rtos/rtx/TARGET_CORTEX_M/rt_System.c')
-rw-r--r--libraries/mbed/rtos/rtx/TARGET_CORTEX_M/rt_System.c299
1 files changed, 0 insertions, 299 deletions
diff --git a/libraries/mbed/rtos/rtx/TARGET_CORTEX_M/rt_System.c b/libraries/mbed/rtos/rtx/TARGET_CORTEX_M/rt_System.c
deleted file mode 100644
index f48b67b..0000000
--- a/libraries/mbed/rtos/rtx/TARGET_CORTEX_M/rt_System.c
+++ /dev/null
@@ -1,299 +0,0 @@
-/*----------------------------------------------------------------------------
- * RL-ARM - RTX
- *----------------------------------------------------------------------------
- * Name: RT_SYSTEM.C
- * Purpose: System Task Manager
- * Rev.: V4.60
- *----------------------------------------------------------------------------
- *
- * Copyright (c) 1999-2009 KEIL, 2009-2012 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_Conf.h"
-#include "rt_Task.h"
-#include "rt_System.h"
-#include "rt_Event.h"
-#include "rt_List.h"
-#include "rt_Mailbox.h"
-#include "rt_Semaphore.h"
-#include "rt_Time.h"
-#include "rt_Robin.h"
-#include "rt_HAL_CM.h"
-
-/*----------------------------------------------------------------------------
- * Global Variables
- *---------------------------------------------------------------------------*/
-
-int os_tick_irqn;
-
-/*----------------------------------------------------------------------------
- * Local Variables
- *---------------------------------------------------------------------------*/
-
-static volatile BIT os_lock;
-static volatile BIT os_psh_flag;
-static U8 pend_flags;
-
-/*----------------------------------------------------------------------------
- * Global Functions
- *---------------------------------------------------------------------------*/
-
-#if defined (__CC_ARM)
-__asm void $$RTX$$version (void) {
- /* Export a version number symbol for a version control. */
-
- EXPORT __RL_RTX_VER
-
-__RL_RTX_VER EQU 0x450
-}
-#endif
-
-
-/*--------------------------- rt_suspend ------------------------------------*/
-U32 rt_suspend (void) {
- /* Suspend OS scheduler */
- U32 delta = 0xFFFF;
-
- rt_tsk_lock();
-
- if (os_dly.p_dlnk) {
- delta = os_dly.delta_time;
- }
-#ifndef __CMSIS_RTOS
- if (os_tmr.next) {
- if (os_tmr.tcnt < delta) delta = os_tmr.tcnt;
- }
-#endif
-
- return (delta);
-}
-
-
-/*--------------------------- rt_resume -------------------------------------*/
-void rt_resume (U32 sleep_time) {
- /* Resume OS scheduler after suspend */
- P_TCB next;
- U32 delta;
-
- os_tsk.run->state = READY;
- rt_put_rdy_first (os_tsk.run);
-
- os_robin.task = NULL;
-
- /* Update delays. */
- if (os_dly.p_dlnk) {
- delta = sleep_time;
- if (delta >= os_dly.delta_time) {
- delta -= os_dly.delta_time;
- os_time += os_dly.delta_time;
- os_dly.delta_time = 1;
- while (os_dly.p_dlnk) {
- rt_dec_dly();
- if (delta == 0) break;
- delta--;
- os_time++;
- }
- } else {
- os_time += delta;
- os_dly.delta_time -= delta;
- }
- } else {
- os_time += sleep_time;
- }
-
-#ifndef __CMSIS_RTOS
- /* Check the user timers. */
- if (os_tmr.next) {
- delta = sleep_time;
- if (delta >= os_tmr.tcnt) {
- delta -= os_tmr.tcnt;
- os_tmr.tcnt = 1;
- while (os_tmr.next) {
- rt_tmr_tick();
- if (delta == 0) break;
- delta--;
- }
- } else {
- os_tmr.tcnt -= delta;
- }
- }
-#endif
-
- /* Switch back to highest ready task */
- next = rt_get_first (&os_rdy);
- rt_switch_req (next);
-
- rt_tsk_unlock();
-}
-
-
-/*--------------------------- rt_tsk_lock -----------------------------------*/
-
-void rt_tsk_lock (void) {
- /* Prevent task switching by locking out scheduler */
- if (os_tick_irqn < 0) {
- OS_LOCK();
- os_lock = __TRUE;
- OS_UNPEND (&pend_flags);
- } else {
- OS_X_LOCK(os_tick_irqn);
- os_lock = __TRUE;
- OS_X_UNPEND (&pend_flags);
- }
-}
-
-
-/*--------------------------- rt_tsk_unlock ---------------------------------*/
-
-void rt_tsk_unlock (void) {
- /* Unlock scheduler and re-enable task switching */
- if (os_tick_irqn < 0) {
- OS_UNLOCK();
- os_lock = __FALSE;
- OS_PEND (pend_flags, os_psh_flag);
- os_psh_flag = __FALSE;
- } else {
- OS_X_UNLOCK(os_tick_irqn);
- os_lock = __FALSE;
- OS_X_PEND (pend_flags, os_psh_flag);
- os_psh_flag = __FALSE;
- }
-}
-
-
-/*--------------------------- rt_psh_req ------------------------------------*/
-
-void rt_psh_req (void) {
- /* Initiate a post service handling request if required. */
- if (os_lock == __FALSE) {
- OS_PEND_IRQ ();
- }
- else {
- os_psh_flag = __TRUE;
- }
-}
-
-
-/*--------------------------- rt_pop_req ------------------------------------*/
-
-void rt_pop_req (void) {
- /* Process an ISR post service requests. */
- struct OS_XCB *p_CB;
- P_TCB next;
- U32 idx;
-
- os_tsk.run->state = READY;
- rt_put_rdy_first (os_tsk.run);
-
- idx = os_psq->last;
- while (os_psq->count) {
- p_CB = os_psq->q[idx].id;
- if (p_CB->cb_type == TCB) {
- /* Is of TCB type */
- rt_evt_psh ((P_TCB)p_CB, (U16)os_psq->q[idx].arg);
- }
- else if (p_CB->cb_type == MCB) {
- /* Is of MCB type */
- rt_mbx_psh ((P_MCB)p_CB, (void *)os_psq->q[idx].arg);
- }
- else {
- /* Must be of SCB type */
- rt_sem_psh ((P_SCB)p_CB);
- }
- if (++idx == os_psq->size) idx = 0;
- rt_dec (&os_psq->count);
- }
- os_psq->last = idx;
-
- next = rt_get_first (&os_rdy);
- rt_switch_req (next);
-}
-
-
-/*--------------------------- os_tick_init ----------------------------------*/
-
-__weak int os_tick_init (void) {
- /* Initialize SysTick timer as system tick timer. */
- rt_systick_init ();
- return (-1); /* Return IRQ number of SysTick timer */
-}
-
-
-/*--------------------------- os_tick_irqack --------------------------------*/
-
-__weak void os_tick_irqack (void) {
- /* Acknowledge timer interrupt. */
-}
-
-
-/*--------------------------- rt_systick ------------------------------------*/
-
-extern void sysTimerTick(void);
-
-void rt_systick (void) {
- /* Check for system clock update, suspend running task. */
- P_TCB next;
-
- os_tsk.run->state = READY;
- rt_put_rdy_first (os_tsk.run);
-
- /* Check Round Robin timeout. */
- rt_chk_robin ();
-
- /* Update delays. */
- os_time++;
- rt_dec_dly ();
-
- /* Check the user timers. */
-#ifdef __CMSIS_RTOS
- sysTimerTick();
-#else
- rt_tmr_tick ();
-#endif
-
- /* Switch back to highest ready task */
- next = rt_get_first (&os_rdy);
- rt_switch_req (next);
-}
-
-/*--------------------------- rt_stk_check ----------------------------------*/
-__weak void rt_stk_check (void) {
- /* Check for stack overflow. */
- if (os_tsk.run->task_id == 0x01) {
- // TODO: For the main thread the check should be done against the main heap pointer
- } else {
- if ((os_tsk.run->tsk_stack < (U32)os_tsk.run->stack) ||
- (os_tsk.run->stack[0] != MAGIC_WORD)) {
- os_error (OS_ERR_STK_OVF);
- }
- }
-}
-
-/*----------------------------------------------------------------------------
- * end of file
- *---------------------------------------------------------------------------*/
-
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