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nuttx/sched: merge up_block_task and up_unblock_task
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@@ -23,11 +23,11 @@
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include common/Make.defs
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CMN_ASRCS += sparc_v8_syscall.S
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CMN_CSRCS += sparc_v8_blocktask.c sparc_v8_copystate.c sparc_v8_doirq.c
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CMN_CSRCS += sparc_v8_copystate.c sparc_v8_doirq.c
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CMN_CSRCS += sparc_v8_initialstate.c sparc_v8_irq.c
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CMN_CSRCS += sparc_v8_releasepending.c sparc_v8_schedulesigaction.c
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CMN_CSRCS += sparc_v8_sigdeliver.c sparc_v8_swint1.c sparc_v8_systemreset.c
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CMN_CSRCS += sparc_v8_unblocktask.c
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CMN_CSRCS += sparc_v8_switchcontext.c
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# Configuration-dependent common files
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@@ -1,115 +0,0 @@
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/****************************************************************************
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* arch/sparc/src/sparc_v8/sparc_v8_blocktask.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdbool.h>
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#include <sched.h>
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#include <syscall.h>
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#include <assert.h>
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#include <debug.h>
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#include <nuttx/arch.h>
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#include <nuttx/sched.h>
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#include "sched/sched.h"
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#include "group/group.h"
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#include "sparc_internal.h"
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: up_block_task
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*
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* Description:
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* The currently executing task has already removed from ready-to-run list.
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* Save its context and switch to the next running task at the head of the
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* ready-to-run list.
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*
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* Input Parameters:
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* rtcb: Reference to the running task which is different to the
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* task (next running task) at the head of the list.
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*
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****************************************************************************/
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void up_block_task(struct tcb_s *rtcb)
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{
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/* Update scheduler parameters */
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nxsched_suspend_scheduler(rtcb);
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/* Are we in an interrupt handler? */
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if (CURRENT_REGS)
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{
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/* Yes, then we have to do things differently.
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* Just copy the CURRENT_REGS into the OLD rtcb.
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*/
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sparc_savestate(rtcb->xcp.regs);
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/* Restore the exception context of the rtcb at the (new) head
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* of the ready-to-run task list.
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*/
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rtcb = this_task();
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/* Reset scheduler parameters */
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nxsched_resume_scheduler(rtcb);
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/* Then switch contexts. Any necessary address environment
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* changes will be made when the interrupt returns.
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*/
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sparc_restorestate(rtcb->xcp.regs);
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}
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/* No, then we will need to perform the user context switch */
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else
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{
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/* Get the context of the task at the head of the ready to
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* run list.
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*/
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struct tcb_s *nexttcb = this_task();
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/* Reset scheduler parameters */
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nxsched_resume_scheduler(nexttcb);
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/* Then switch contexts */
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sparc_switchcontext(rtcb->xcp.regs, nexttcb->xcp.regs);
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/* sparc_switchcontext forces a context switch to the task at the
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* head of the ready-to-run list. It does not 'return' in the
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* normal sense. When it does return, it is because the blocked
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* task is again ready to run and has execution priority.
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*/
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}
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}
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+3
-3
@@ -1,5 +1,5 @@
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/****************************************************************************
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* arch/sparc/src/sparc_v8/sparc_v8_unblocktask.c
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* arch/sparc/src/sparc_v8/sparc_v8_switchcontext.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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@@ -42,7 +42,7 @@
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****************************************************************************/
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/****************************************************************************
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* Name: up_unblock_task
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* Name: up_switch_context
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*
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* Description:
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* A task is currently in the ready-to-run list but has been prepped
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@@ -55,7 +55,7 @@
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*
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****************************************************************************/
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void up_unblock_task(struct tcb_s *tcb, struct tcb_s *rtcb)
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void up_switch_context(struct tcb_s *tcb, struct tcb_s *rtcb)
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{
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/* Update scheduler parameters */
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