Squashed commit of the following:

sched/init/nx_bringup.c:  Fix a naming collision.
    sched/init:  Rename os_start() to nx_start()
    sched/init:  Rename os_smp* to nx_smp*
    sched/init:  Rename os_bringup to nx_bringup
    sched/init:  rename all internal static functions to begin with nx_ vs os_
This commit is contained in:
Gregory Nutt
2019-02-04 16:20:35 -06:00
parent bb623d1e04
commit a2e62f557d
89 changed files with 333 additions and 330 deletions
+3 -3
View File
@@ -1,7 +1,7 @@
############################################################################
# sched/init/Make.defs
#
# Copyright (C) 2014 Gregory Nutt. All rights reserved.
# Copyright (C) 2014, 2019 Gregory Nutt. All rights reserved.
# Author: Gregory Nutt <gnutt@nuttx.org>
#
# Redistribution and use in source and binary forms, with or without
@@ -33,10 +33,10 @@
#
############################################################################
CSRCS += os_start.c os_bringup.c
CSRCS += nx_start.c nx_bringup.c
ifeq ($(CONFIG_SMP),y)
CSRCS += os_smpstart.c
CSRCS += nx_smpstart.c
endif
# Include init build support
+12 -12
View File
@@ -47,7 +47,7 @@
****************************************************************************/
/****************************************************************************
* Name: os_start
* Name: nx_start
*
* Description:
* This function is called to initialize the operating system and to spawn
@@ -62,10 +62,10 @@
*
****************************************************************************/
void os_start(void);
void nx_start(void);
/****************************************************************************
* Name: os_smp_start
* Name: nx_smp_start
*
* Description:
* In an SMP configution, only one CPU is initially active (CPU 0). System
@@ -82,15 +82,15 @@ void os_start(void);
****************************************************************************/
#ifdef CONFIG_SMP
int os_smp_start(void);
int nx_smp_start(void);
#endif
/****************************************************************************
* Name: os_idle_trampoline
* Name: nx_idle_trampoline
*
* Description:
* This is the common IDLE task for CPUs 1 through (CONFIG_SMP_NCPUS-1).
* It is equivalent to the CPU 0 IDLE logic in os_start.c
* It is equivalent to the CPU 0 IDLE logic in nx_start.c
*
* Input Parameters:
* Standard task arguments.
@@ -101,15 +101,15 @@ int os_smp_start(void);
****************************************************************************/
#ifdef CONFIG_SMP
void os_idle_trampoline(void);
void nx_idle_trampoline(void);
#endif
/****************************************************************************
* Name: os_idle_task
* Name: nx_idle_task
*
* Description:
* This is the common IDLE task for CPUs 1 through (CONFIG_SMP_NCPUS-1).
* It is equivalent to the CPU 0 IDLE logic in os_start.c
* It is equivalent to the CPU 0 IDLE logic in nx_start.c
*
* Input Parameters:
* Standard task arguments.
@@ -120,11 +120,11 @@ void os_idle_trampoline(void);
****************************************************************************/
#ifdef CONFIG_SMP
int os_idle_task(int argc, FAR char *argv[]);
int nx_idle_task(int argc, FAR char *argv[]);
#endif
/****************************************************************************
* Name: os_bringup
* Name: nx_bringup
*
* Description:
* Start all initial system tasks. This does the "system bring-up" after
@@ -151,6 +151,6 @@ int os_idle_task(int argc, FAR char *argv[]);
*
****************************************************************************/
int os_bringup(void);
int nx_bringup(void);
#endif /* __SCHED_INIT_INIT_H */
@@ -1,7 +1,7 @@
/****************************************************************************
* sched/init/os_bringup.c
* sched/init/nx_bringup.c
*
* Copyright (C) 2011-2012 Gregory Nutt. All rights reserved.
* Copyright (C) 2011-2012, 2019 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* With extensions by:
@@ -135,7 +135,7 @@ extern const int CONFIG_INIT_NEXPORTS;
****************************************************************************/
/****************************************************************************
* Name: os_pgworker
* Name: nx_pgworker
*
* Description:
* Start the page fill worker kernel thread that will resolve page faults.
@@ -151,7 +151,7 @@ extern const int CONFIG_INIT_NEXPORTS;
****************************************************************************/
#ifdef CONFIG_PAGING
static inline void os_pgworker(void)
static inline void nx_pgworker(void)
{
/* 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
@@ -167,12 +167,12 @@ static inline void os_pgworker(void)
}
#else /* CONFIG_PAGING */
# define os_pgworker()
# define nx_pgworker()
#endif /* CONFIG_PAGING */
/****************************************************************************
* Name: os_workqueues
* Name: nx_workqueues
*
* Description:
* Start the worker threads that service the work queues.
@@ -186,7 +186,7 @@ static inline void os_pgworker(void)
****************************************************************************/
#ifdef CONFIG_SCHED_WORKQUEUE
static inline void os_workqueues(void)
static inline void nx_workqueues(void)
{
#ifdef CONFIG_LIB_USRWORK
pid_t pid;
@@ -221,12 +221,12 @@ static inline void os_workqueues(void)
}
#else /* CONFIG_SCHED_WORKQUEUE */
# define os_workqueues()
# define nx_workqueues()
#endif /* CONFIG_SCHED_WORKQUEUE */
/****************************************************************************
* Name: os_start_application
* Name: nx_start_application
*
* Description:
* Execute the board initialization function (if so configured) and start
@@ -241,7 +241,7 @@ static inline void os_workqueues(void)
****************************************************************************/
#if defined(CONFIG_INIT_ENTRYPOINT)
static inline void os_do_appstart(void)
static inline void nx_start_application(void)
{
int pid;
@@ -277,7 +277,7 @@ static inline void os_do_appstart(void)
}
#elif defined(CONFIG_INIT_FILEPATH)
static inline void os_do_appstart(void)
static inline void nx_start_application(void)
{
int ret;
@@ -313,7 +313,7 @@ static inline void os_do_appstart(void)
}
#elif defined(CONFIG_INIT_NONE)
# define os_do_appstart()
# define nx_start_application()
#else
# error "Cannot start initialization thread"
@@ -321,7 +321,7 @@ static inline void os_do_appstart(void)
#endif
/****************************************************************************
* Name: os_start_task
* Name: nx_start_task
*
* Description:
* This is the framework for a short duration worker thread. It off-loads
@@ -337,17 +337,17 @@ static inline void os_do_appstart(void)
****************************************************************************/
#ifdef CONFIG_BOARD_INITTHREAD
static int os_start_task(int argc, FAR char **argv)
static int nx_start_task(int argc, FAR char **argv)
{
/* Do the board/application initialization and exit */
os_do_appstart();
nx_start_application();
return OK;
}
#endif
/****************************************************************************
* Name: os_start_application
* Name: nx_create_initthread
*
* Description:
* Execute the board initialization function (if so configured) and start
@@ -363,7 +363,7 @@ static int os_start_task(int argc, FAR char **argv)
*
****************************************************************************/
static inline void os_start_application(void)
static inline void nx_create_initthread(void)
{
#ifdef CONFIG_BOARD_INITTHREAD
int pid;
@@ -374,13 +374,13 @@ static inline void os_start_application(void)
pid = kthread_create("AppBringUp", CONFIG_BOARD_INITTHREAD_PRIORITY,
CONFIG_BOARD_INITTHREAD_STACKSIZE,
(main_t)os_start_task, (FAR char * const *)NULL);
(main_t)nx_start_task, (FAR char * const *)NULL);
DEBUGASSERT(pid > 0);
UNUSED(pid);
#else
/* Do the board/application initialization on this thread of execution. */
os_do_appstart();
nx_start_application();
#endif
}
@@ -390,7 +390,7 @@ static inline void os_start_application(void)
****************************************************************************/
/****************************************************************************
* Name: os_bringup
* Name: nx_bringup
*
* Description:
* Start all initial system tasks. This does the "system bring-up" after
@@ -423,21 +423,23 @@ static inline void os_start_application(void)
*
****************************************************************************/
int os_bringup(void)
int nx_bringup(void)
{
#ifndef CONFIG_DISABLE_ENVIRON
/* 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.
* may consist of only the initial PATH variable and/or and init library
* path variable. These path variables are 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)
#ifdef CONFIG_PATH_INITIAL
(void)setenv("PATH", CONFIG_PATH_INITIAL, 1);
#endif
#if !defined(CONFIG_DISABLE_ENVIRON) && defined(CONFIG_LDPATH_INITIAL)
#ifdef CONFIG_LDPATH_INITIAL
(void)setenv("LD_LIBRARY_PATH", CONFIG_LDPATH_INITIAL, 1);
#endif
#endif
/* Start the page fill worker kernel thread that will resolve page faults.
@@ -445,24 +447,25 @@ int os_bringup(void)
* resolve page faults in other threads
*/
os_pgworker();
nx_pgworker();
/* Start the worker thread that will serve as the device driver "bottom-
* half" and will perform misc garbage clean-up.
*/
os_workqueues();
nx_workqueues();
/* Once the operating system has been initialized, the system must be
* started by spawning the user initialization thread of execution. This
* will be the first user-mode thread.
*/
os_start_application();
nx_create_initthread();
#if !defined(CONFIG_DISABLE_ENVIRON) && (defined(CONFIG_PATH_INITIAL) || \
defined(CONFIG_LDPATH_INITIAL))
/* We an save a few bytes by discarding the IDLE thread's environment. */
#if !defined(CONFIG_DISABLE_ENVIRON) && (defined(CONFIG_PATH_INITIAL) || defined(CONFIG_LDPATH_INITIAL))
(void)clearenv();
#endif
@@ -1,7 +1,7 @@
/****************************************************************************
* sched/init/os_smpstart.c
* sched/init/nx_smpstart.c
*
* Copyright (C) 2016 Gregory Nutt. All rights reserved.
* Copyright (C) 2016, 2019 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
@@ -59,7 +59,7 @@
* Private Types
****************************************************************************/
struct os_tcballoc_s
struct nx_tcballoc_s
{
struct task_tcb_s tcb; /* IDLE task TCB */
FAR char *idleargv[2]; /* Argument list */
@@ -78,7 +78,7 @@ static const char g_idlename[] = "CPUn Idle"
****************************************************************************/
/****************************************************************************
* Name: os_idle_trampoline
* Name: nx_idle_trampoline
*
* Description:
* This is the common start-up logic for the IDLE task for CPUs 1 through
@@ -95,7 +95,7 @@ static const char g_idlename[] = "CPUn Idle"
*
****************************************************************************/
void os_idle_trampoline(void)
void nx_idle_trampoline(void)
{
#ifdef CONFIG_SCHED_INSTRUMENTATION
FAR struct tcb_s *tcb = this_task();
@@ -107,7 +107,7 @@ void os_idle_trampoline(void)
/* Then transfer control to the IDLE task */
(void)os_idle_task(0, NULL);
(void)nx_idle_task(0, NULL);
/* The IDLE task should never return */
@@ -115,11 +115,11 @@ void os_idle_trampoline(void)
}
/****************************************************************************
* Name: os_idle_task
* Name: nx_idle_task
*
* Description:
* This is the common IDLE task for CPUs 1 through (CONFIG_SMP_NCPUS-1).
* It is equivalent to the CPU 0 IDLE logic in os_start.c
* It is equivalent to the CPU 0 IDLE logic in nx_start.c
*
* Input Parameters:
* Standard task arguments.
@@ -129,7 +129,7 @@ void os_idle_trampoline(void)
*
****************************************************************************/
int os_idle_task(int argc, FAR char *argv[])
int nx_idle_task(int argc, FAR char *argv[])
{
/* Enter the IDLE loop */
@@ -170,7 +170,7 @@ int os_idle_task(int argc, FAR char *argv[])
}
/****************************************************************************
* Name: os_smp_start
* Name: nx_smp_start
*
* Description:
* In an SMP configuration, only one CPU is initially active (CPU 0).
@@ -191,7 +191,7 @@ int os_idle_task(int argc, FAR char *argv[])
*
****************************************************************************/
int os_smp_start(void)
int nx_smp_start(void)
{
int ret;
int cpu;
+15 -15
View File
@@ -1,5 +1,5 @@
/****************************************************************************
* sched/init/os_start.c
* sched/init/nx_start.c
*
* Copyright (C) 2007-2014, 2016, 2018 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
@@ -331,7 +331,7 @@ const struct tasklist_s g_tasklisttable[NUM_TASK_STATES] =
* hardware resources may not yet be available to the kernel logic.
*/
uint8_t g_os_initstate; /* See enum os_initstate_e */
uint8_t g_nx_initstate; /* See enum nx_initstate_e */
/****************************************************************************
* Private Data
@@ -376,7 +376,7 @@ static FAR char *g_idleargv[1][2];
****************************************************************************/
/****************************************************************************
* Name: os_start
* Name: nx_start
*
* Description:
* This function is called to initialize the operating system and to spawn
@@ -391,7 +391,7 @@ static FAR char *g_idleargv[1][2];
*
****************************************************************************/
void os_start(void)
void nx_start(void)
{
#ifdef CONFIG_SMP
int cpu;
@@ -404,7 +404,7 @@ void os_start(void)
/* Boot up is complete */
g_os_initstate = OSINIT_BOOT;
g_nx_initstate = OSINIT_BOOT;
/* Initialize RTOS Data ***************************************************/
/* Initialize all task lists */
@@ -485,14 +485,14 @@ void os_start(void)
#ifdef CONFIG_SMP
if (cpu > 0)
{
g_idletcb[cpu].cmn.start = os_idle_trampoline;
g_idletcb[cpu].cmn.entry.main = os_idle_task;
g_idletcb[cpu].cmn.start = nx_idle_trampoline;
g_idletcb[cpu].cmn.entry.main = nx_idle_task;
}
else
#endif
{
g_idletcb[cpu].cmn.start = (start_t)os_start;
g_idletcb[cpu].cmn.entry.main = (main_t)os_start;
g_idletcb[cpu].cmn.start = (start_t)nx_start;
g_idletcb[cpu].cmn.entry.main = (main_t)nx_start;
}
/* Set the task flags to indicate that this is a kernel thread and, if
@@ -568,7 +568,7 @@ void os_start(void)
/* Task lists are initialized */
g_os_initstate = OSINIT_TASKLISTS;
g_nx_initstate = OSINIT_TASKLISTS;
/* Initialize RTOS facilities *********************************************/
/* Initialize the semaphore facility. This has to be done very early
@@ -617,7 +617,7 @@ void os_start(void)
/* The memory manager is available */
g_os_initstate = OSINIT_MEMORY;
g_nx_initstate = OSINIT_MEMORY;
#if defined(CONFIG_SCHED_HAVE_PARENT) && defined(CONFIG_SCHED_CHILD_STATUS)
/* Initialize tasking data structures */
@@ -721,7 +721,7 @@ void os_start(void)
/* Hardware resources are available */
g_os_initstate = OSINIT_HARDWARE;
g_nx_initstate = OSINIT_HARDWARE;
#ifdef CONFIG_MM_SHM
/* Initialize shared memory support */
@@ -811,18 +811,18 @@ void os_start(void)
/* Then start the other CPUs */
DEBUGVERIFY(os_smp_start());
DEBUGVERIFY(nx_smp_start());
#endif /* CONFIG_SMP */
/* Bring Up the System ****************************************************/
/* The OS is fully initialized and we are beginning multi-tasking */
g_os_initstate = OSINIT_OSREADY;
g_nx_initstate = OSINIT_OSREADY;
/* Create initial tasks and bring-up the system */
DEBUGVERIFY(os_bringup());
DEBUGVERIFY(nx_bringup());
#ifdef CONFIG_SMP
/* Let other threads have access to the memory manager */