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Diffstat (limited to 'nuttx/sched/os_bringup.c')
| -rw-r--r-- | nuttx/sched/os_bringup.c | 195 |
1 files changed, 0 insertions, 195 deletions
diff --git a/nuttx/sched/os_bringup.c b/nuttx/sched/os_bringup.c deleted file mode 100644 index 610d8515a..000000000 --- a/nuttx/sched/os_bringup.c +++ /dev/null @@ -1,195 +0,0 @@ -/**************************************************************************** - * sched/os_bringup.c - * - * Copyright (C) 2011-2012 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt <gnutt@nuttx.org> - * - * With extensions by: - * - * Author: Uros Platise <uros.platise@isotel.eu> - * - * 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 <stdlib.h> -#include <debug.h> - -#include <nuttx/init.h> -#include <nuttx/wqueue.h> - -#include "os_internal.h" -#ifdef CONFIG_PAGING -# include "pg_internal.h" -#endif -#ifdef CONFIG_SCHED_WORKQUEUE -# include "work_internal.h" -#endif -#ifdef CONFIG_NUTTX_KERNEL -# include "arch/board/user_map.h" -#endif - -/**************************************************************************** - * Pre-processor Definitions - ****************************************************************************/ - -/* If NuttX is built as a separately compiled module, then the the header - * file should contain the address of the user module entry point. If not - * then the default entry point is user_start. - */ - -/**************************************************************************** - * Private Types - ****************************************************************************/ - -/**************************************************************************** - * Private Function Prototypes - ****************************************************************************/ - -/**************************************************************************** - * Private Data - ****************************************************************************/ - -/**************************************************************************** - * Public Data - ****************************************************************************/ - -/**************************************************************************** - * Private Functions - ****************************************************************************/ - -/**************************************************************************** - * Public Functions - ****************************************************************************/ - -/**************************************************************************** - * Name: os_bringup - * - * Description: - * Start all initial system tasks. This does the "system bring-up" after - * the conclusion of basic OS initialization. These initial system tasks - * may include: - * - * - pg_worker: The page-fault worker thread (only if CONFIG_PAGING is - * defined. - * - work_thread: The work thread. This general thread can be used to - * perform most any kind of queued work. Its primary - * function is to serve as the "bottom half" of device - * drivers. - * - * And the main application entry point: - * symbols: - * - * - USER_ENTRYPOINT: This is the default user application entry point. - * - ****************************************************************************/ - -int os_bringup(void) -{ - int init_taskid; - - /* Setup up the initial environment for the idle task. At present, this - * may consist of only the initial PATH variable. The PATH variable is - * (probably) not used by the IDLE task. However, the environment - * containing the PATH variable will be inherited by all of the threads - * created by the IDLE task. - */ - -#if !defined(CONFIG_DISABLE_ENVIRON) && defined(CONFIG_PATH_INITIAL) - (void)setenv("PATH", CONFIG_PATH_INITIAL, 1); -#endif - - /* Start the page fill worker kernel thread that will resolve page faults. - * This should always be the first thread started because it may have to - * resolve page faults in other threads - */ - -#ifdef CONFIG_PAGING - svdbg("Starting paging thread\n"); - - g_pgworker = KERNEL_THREAD("pgfill", CONFIG_PAGING_DEFPRIO, - CONFIG_PAGING_STACKSIZE, - (main_t)pg_worker, (const char **)NULL); - ASSERT(g_pgworker != ERROR); -#endif - - /* Start the worker thread that will serve as the device driver "bottom- - * half" and will perform misc garbage clean-up. - */ - -#ifdef CONFIG_SCHED_WORKQUEUE - svdbg("Starting worker thread\n"); - - g_work[HPWORK].pid = KERNEL_THREAD("work0", CONFIG_SCHED_WORKPRIORITY, - CONFIG_SCHED_WORKSTACKSIZE, - (main_t)work_hpthread, (const char **)NULL); - ASSERT(g_work[HPWORK].pid != ERROR); - - /* Start a lower priority worker thread for other, non-critical continuation - * tasks - */ - -#ifdef CONFIG_SCHED_LPWORK - svdbg("Starting worker thread\n"); - - g_work[LPWORK].pid = KERNEL_THREAD("work1", CONFIG_SCHED_LPWORKPRIORITY, - CONFIG_SCHED_LPWORKSTACKSIZE, - (main_t)work_lpthread, (const char **)NULL); - ASSERT(g_work[LPWORK].pid != ERROR); -#endif -#endif - - /* Once the operating system has been initialized, the system must be - * started by spawning the user init thread of execution. This is the - * first user-mode thead. - */ - - svdbg("Starting init thread\n"); - - /* Start the default application at CONFIG_USER_ENTRYPOINT() */ - - init_taskid = TASK_CREATE("init", SCHED_PRIORITY_DEFAULT, - CONFIG_USERMAIN_STACKSIZE, - (main_t)CONFIG_USER_ENTRYPOINT, (const char **)NULL); - ASSERT(init_taskid != ERROR); - - /* We an save a few bytes by discarding the IDLE thread's environment. */ - -#if !defined(CONFIG_DISABLE_ENVIRON) && defined(CONFIG_PATH_INITIAL) - (void)clearenv(); -#endif - - return OK; -} |