nuttx/sched: merge up_block_task and up_unblock_task

This commit is contained in:
zhangyuan21
2022-11-15 16:52:40 +08:00
committed by Xiang Xiao
parent 25bfd437fe
commit d8051ba979
91 changed files with 222 additions and 2473 deletions
+2 -2
View File
@@ -23,11 +23,11 @@
include common/Make.defs
CMN_ASRCS += sparc_v8_syscall.S
CMN_CSRCS += sparc_v8_blocktask.c sparc_v8_copystate.c sparc_v8_doirq.c
CMN_CSRCS += sparc_v8_copystate.c sparc_v8_doirq.c
CMN_CSRCS += sparc_v8_initialstate.c sparc_v8_irq.c
CMN_CSRCS += sparc_v8_releasepending.c sparc_v8_schedulesigaction.c
CMN_CSRCS += sparc_v8_sigdeliver.c sparc_v8_swint1.c sparc_v8_systemreset.c
CMN_CSRCS += sparc_v8_unblocktask.c
CMN_CSRCS += sparc_v8_switchcontext.c
# Configuration-dependent common files
@@ -1,115 +0,0 @@
/****************************************************************************
* arch/sparc/src/sparc_v8/sparc_v8_blocktask.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdbool.h>
#include <sched.h>
#include <syscall.h>
#include <assert.h>
#include <debug.h>
#include <nuttx/arch.h>
#include <nuttx/sched.h>
#include "sched/sched.h"
#include "group/group.h"
#include "sparc_internal.h"
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: up_block_task
*
* Description:
* The currently executing task has already removed from ready-to-run list.
* Save its context and switch to the next running task at the head of the
* ready-to-run list.
*
* Input Parameters:
* rtcb: Reference to the running task which is different to the
* task (next running task) at the head of the list.
*
****************************************************************************/
void up_block_task(struct tcb_s *rtcb)
{
/* Update scheduler parameters */
nxsched_suspend_scheduler(rtcb);
/* Are we in an interrupt handler? */
if (CURRENT_REGS)
{
/* Yes, then we have to do things differently.
* Just copy the CURRENT_REGS into the OLD rtcb.
*/
sparc_savestate(rtcb->xcp.regs);
/* Restore the exception context of the rtcb at the (new) head
* of the ready-to-run task list.
*/
rtcb = this_task();
/* Reset scheduler parameters */
nxsched_resume_scheduler(rtcb);
/* Then switch contexts. Any necessary address environment
* changes will be made when the interrupt returns.
*/
sparc_restorestate(rtcb->xcp.regs);
}
/* No, then we will need to perform the user context switch */
else
{
/* Get the context of the task at the head of the ready to
* run list.
*/
struct tcb_s *nexttcb = this_task();
/* Reset scheduler parameters */
nxsched_resume_scheduler(nexttcb);
/* Then switch contexts */
sparc_switchcontext(rtcb->xcp.regs, nexttcb->xcp.regs);
/* sparc_switchcontext forces a context switch to the task at the
* head of the ready-to-run list. It does not 'return' in the
* normal sense. When it does return, it is because the blocked
* task is again ready to run and has execution priority.
*/
}
}
@@ -1,5 +1,5 @@
/****************************************************************************
* arch/sparc/src/sparc_v8/sparc_v8_unblocktask.c
* arch/sparc/src/sparc_v8/sparc_v8_switchcontext.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
@@ -42,7 +42,7 @@
****************************************************************************/
/****************************************************************************
* Name: up_unblock_task
* Name: up_switch_context
*
* Description:
* A task is currently in the ready-to-run list but has been prepped
@@ -55,7 +55,7 @@
*
****************************************************************************/
void up_unblock_task(struct tcb_s *tcb, struct tcb_s *rtcb)
void up_switch_context(struct tcb_s *tcb, struct tcb_s *rtcb)
{
/* Update scheduler parameters */