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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2011-02-26 18:58:45 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2011-02-26 18:58:45 +0000 |
commit | 83e0a9d9a2594a3564252fa51334b4c20a44ba65 (patch) | |
tree | 177bcc185891fbecbd826506170b4ad4e70c72a5 /nuttx/arch | |
parent | aebc66f8e146b28148f5e5755f6b3252774441f8 (diff) | |
download | px4-nuttx-83e0a9d9a2594a3564252fa51334b4c20a44ba65.tar.gz px4-nuttx-83e0a9d9a2594a3564252fa51334b4c20a44ba65.tar.bz2 px4-nuttx-83e0a9d9a2594a3564252fa51334b4c20a44ba65.zip |
Correct several m9s12x link issues
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3319 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/arch')
-rw-r--r-- | nuttx/arch/hc/src/common/up_exit.c | 174 | ||||
-rwxr-xr-x | nuttx/arch/hc/src/m9s12/Make.defs | 2 |
2 files changed, 175 insertions, 1 deletions
diff --git a/nuttx/arch/hc/src/common/up_exit.c b/nuttx/arch/hc/src/common/up_exit.c new file mode 100644 index 000000000..77c627b4a --- /dev/null +++ b/nuttx/arch/hc/src/common/up_exit.c @@ -0,0 +1,174 @@ +/**************************************************************************** + * arch/hc/src/common/up_exit.c + * + * Copyright (C) 2011 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * 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. + * 3. Neither the name NuttX 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 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. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> + +#include <sched.h> +#include <debug.h> +#include <nuttx/arch.h> + +#include "os_internal.h" +#include "up_internal.h" + +#ifdef CONFIG_DUMP_ON_EXIT +#include <nuttx/fs.h> +#endif + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: _up_dumponexit + * + * Description: + * Dump the state of all tasks whenever on task exits. This is debug + * instrumentation that was added to check file-related reference counting + * but could be useful again sometime in the future. + * + ****************************************************************************/ + +#if defined(CONFIG_DUMP_ON_EXIT) && defined(CONFIG_DEBUG) +static void _up_dumponexit(FAR _TCB *tcb, FAR void *arg) +{ +#if CONFIG_NFILE_DESCRIPTORS > 0 || CONFIG_NFILE_STREAMS > 0 + int i; +#endif + + sdbg(" TCB=%p name=%s pid=%d\n", tcb, tcb->argv[0], tcb->pid); + sdbg(" priority=%d state=%d\n", tcb->sched_priority, tcb->task_state); + +#if CONFIG_NFILE_DESCRIPTORS > 0 + if (tcb->filelist) + { + sdbg(" filelist refcount=%d\n", + tcb->filelist->fl_crefs); + + for (i = 0; i < CONFIG_NFILE_DESCRIPTORS; i++) + { + struct inode *inode = tcb->filelist->fl_files[i].f_inode; + if (inode) + { + sdbg(" fd=%d refcount=%d\n", + i, inode->i_crefs); + } + } + } +#endif + +#if CONFIG_NFILE_STREAMS > 0 + if (tcb->streams) + { + sdbg(" streamlist refcount=%d\n", + tcb->streams->sl_crefs); + + for (i = 0; i < CONFIG_NFILE_STREAMS; i++) + { + struct file_struct *filep = &tcb->streams->sl_streams[i]; + if (filep->fs_filedes >= 0) + { +#if CONFIG_STDIO_BUFFER_SIZE > 0 + sdbg(" fd=%d nbytes=%d\n", + filep->fs_filedes, + filep->fs_bufpos - filep->fs_bufstart); +#else + sdbg(" fd=%d\n", filep->fs_filedes); +#endif + } + } + } +#endif +} +#endif + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: _exit + * + * Description: + * This function causes the currently executing task to cease + * to exist. This is a special case of task_delete() where the task to + * be deleted is the currently executing task. It is more complex because + * a context switch must be perform to the next ready to run task. + * + ****************************************************************************/ + +void _exit(int status) +{ + _TCB* tcb; + + /* Disable interrupts. They will be restored when the next + * task is started. + */ + + (void)irqsave(); + + slldbg("TCB=%p exitting\n", g_readytorun.head); + +#if defined(CONFIG_DUMP_ON_EXIT) && defined(CONFIG_DEBUG) + slldbg("Other tasks:\n"); + sched_foreach(_up_dumponexit, NULL); +#endif + + /* Destroy the task at the head of the ready to run list. */ + + (void)task_deletecurrent(); + + /* Now, perform the context switch to the new ready-to-run task at the + * head of the list. + */ + + tcb = (_TCB*)g_readytorun.head; + + /* Then switch contexts */ + + up_fullcontextrestore(tcb->xcp.regs); +} + diff --git a/nuttx/arch/hc/src/m9s12/Make.defs b/nuttx/arch/hc/src/m9s12/Make.defs index e7c0109ee..f3ef80795 100755 --- a/nuttx/arch/hc/src/m9s12/Make.defs +++ b/nuttx/arch/hc/src/m9s12/Make.defs @@ -37,7 +37,7 @@ HEAD_ASRC = m9s12_vectors.S CMN_ASRCS = CMN_CSRCS = up_allocateheap.c up_blocktask.c up_copystate.c up_createstack.c \ - up_doirq.c up_idle.c up_initialize.c up_interruptcontext.c \ + up_doirq.c up_exit.c up_idle.c up_initialize.c up_interruptcontext.c \ up_mdelay.c up_modifyreg16.c up_modifyreg32.c up_modifyreg8.c \ up_puts.c up_releasepending.c up_releasestack.c up_reprioritizertr.c \ up_udelay.c up_unblocktask.c up_usestack.c |