[rtems commit] Optional Extensions initialization
Sebastian Huber
sebh at rtems.org
Wed Feb 3 09:30:08 UTC 2016
Module: rtems
Branch: master
Commit: 92bb345374ea3982b40b10e7d50ecfc1cb4d2ed3
Changeset: http://git.rtems.org/rtems/commit/?id=92bb345374ea3982b40b10e7d50ecfc1cb4d2ed3
Author: Sebastian Huber <sebastian.huber at embedded-brains.de>
Date: Thu Dec 10 11:40:26 2015 +0100
Optional Extensions initialization
Update #2408.
---
cpukit/sapi/Makefile.am | 2 +-
cpukit/sapi/include/rtems/extensionimpl.h | 13 +------------
cpukit/sapi/src/exinit.c | 2 --
cpukit/sapi/src/extension.c | 16 +++++++++++-----
cpukit/sapi/src/extensiondata.c | 25 -------------------------
cpukit/score/include/rtems/sysinit.h | 1 +
doc/user/init.t | 4 ++++
testsuites/sptests/spsysinit01/init.c | 17 +++++++++++++++++
8 files changed, 35 insertions(+), 45 deletions(-)
diff --git a/cpukit/sapi/Makefile.am b/cpukit/sapi/Makefile.am
index ca7b421..e930a4c 100644
--- a/cpukit/sapi/Makefile.am
+++ b/cpukit/sapi/Makefile.am
@@ -31,7 +31,7 @@ libsapi_a_SOURCES = src/extension.c src/extensioncreate.c \
src/exshutdown.c src/io.c src/ioclose.c src/iocontrol.c src/iodata.c \
src/ioinitialize.c src/ioopen.c src/ioread.c src/ioregisterdriver.c \
src/iounregisterdriver.c src/iowrite.c src/posixapi.c \
- src/rtemsapi.c src/extensiondata.c src/getversionstring.c \
+ src/rtemsapi.c src/getversionstring.c \
src/chainappendnotify.c src/chaingetnotify.c src/chaingetwait.c \
src/chainprependnotify.c src/rbheap.c src/interrtext.c \
src/fatal2.c src/fatalsrctext.c
diff --git a/cpukit/sapi/include/rtems/extensionimpl.h b/cpukit/sapi/include/rtems/extensionimpl.h
index 487bdb4..e26731c 100644
--- a/cpukit/sapi/include/rtems/extensionimpl.h
+++ b/cpukit/sapi/include/rtems/extensionimpl.h
@@ -25,18 +25,7 @@
extern "C" {
#endif
-#ifndef SAPI_EXT_EXTERN
-#define SAPI_EXT_EXTERN extern
-#endif
-
-SAPI_EXT_EXTERN Objects_Information _Extension_Information;
-
-/**
- * @brief Initialize extension manager.
- *
- * This routine initializes all extension manager related data structures.
- */
-void _Extension_Manager_initialization(void);
+extern Objects_Information _Extension_Information;
RTEMS_INLINE_ROUTINE Extension_Control *_Extension_Allocate( void )
{
diff --git a/cpukit/sapi/src/exinit.c b/cpukit/sapi/src/exinit.c
index 685197d..4b04b5f 100644
--- a/cpukit/sapi/src/exinit.c
+++ b/cpukit/sapi/src/exinit.c
@@ -137,8 +137,6 @@ static void rtems_initialize_data_structures(void)
_RTEMS_API_Initialize();
- _Extension_Manager_initialization();
-
_POSIX_API_Initialize();
}
diff --git a/cpukit/sapi/src/extension.c b/cpukit/sapi/src/extension.c
index 100f194..3378850 100644
--- a/cpukit/sapi/src/extension.c
+++ b/cpukit/sapi/src/extension.c
@@ -21,13 +21,13 @@
#include "config.h"
#endif
-#include <rtems/system.h>
-#include <rtems/config.h>
-#include <rtems/rtems/support.h>
-#include <rtems/score/thread.h>
#include <rtems/extensionimpl.h>
+#include <rtems/config.h>
+#include <rtems/sysinit.h>
-void _Extension_Manager_initialization(void)
+Objects_Information _Extension_Information;
+
+static void _Extension_Manager_initialization(void)
{
_Objects_Initialize_information(
&_Extension_Information,
@@ -44,3 +44,9 @@ void _Extension_Manager_initialization(void)
#endif
);
}
+
+RTEMS_SYSINIT_ITEM(
+ _Extension_Manager_initialization,
+ RTEMS_SYSINIT_USER_EXTENSIONS,
+ RTEMS_SYSINIT_ORDER_MIDDLE
+);
diff --git a/cpukit/sapi/src/extensiondata.c b/cpukit/sapi/src/extensiondata.c
deleted file mode 100644
index 0d7e481..0000000
--- a/cpukit/sapi/src/extensiondata.c
+++ /dev/null
@@ -1,25 +0,0 @@
-/**
- * @file
- *
- * @brief Extension Data
- *
- * @ingroup ClassicUserExtensions
- */
-
-/*
- * COPYRIGHT (c) 1989-2007.
- * On-Line Applications Research Corporation (OAR).
- *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://www.rtems.org/license/LICENSE.
- */
-
-#if HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-/* instantiate extension data */
-#define SAPI_EXT_EXTERN
-
-#include <rtems/extensionimpl.h>
diff --git a/cpukit/score/include/rtems/sysinit.h b/cpukit/score/include/rtems/sysinit.h
index 49c465b..ab7dfc4 100644
--- a/cpukit/score/include/rtems/sysinit.h
+++ b/cpukit/score/include/rtems/sysinit.h
@@ -30,6 +30,7 @@ extern "C" {
#define RTEMS_SYSINIT_BSP_START 000200
#define RTEMS_SYSINIT_INITIAL_EXTENSIONS 000300
#define RTEMS_SYSINIT_DATA_STRUCTURES 000301
+#define RTEMS_SYSINIT_USER_EXTENSIONS 000320
#define RTEMS_SYSINIT_IDLE_THREADS 000380
#define RTEMS_SYSINIT_BSP_LIBC 000400
#define RTEMS_SYSINIT_BEFORE_DRIVERS 000500
diff --git a/doc/user/init.t b/doc/user/init.t
index 5ab011e..a373b4a 100644
--- a/doc/user/init.t
+++ b/doc/user/init.t
@@ -168,6 +168,10 @@ upon the information in the Configuration Table, User Initialization Tasks
Table, Device Driver Table, Multiprocessor Configuration Table, and the
Multiprocessor Communications Interface (MPCI) Table.
+ at item RTEMS_SYSINIT_USER_EXTENSIONS
+Initializes the @ref{User Extensions Manager} in case it is used by the
+application.
+
@item RTEMS_SYSINIT_BSP_LIBC
Depending on the application configuration the IO library and root filesystem
is initialized. This step is mandatory.
diff --git a/testsuites/sptests/spsysinit01/init.c b/testsuites/sptests/spsysinit01/init.c
index 2bc859b..e5e72f8 100644
--- a/testsuites/sptests/spsysinit01/init.c
+++ b/testsuites/sptests/spsysinit01/init.c
@@ -24,6 +24,7 @@
#include <rtems/sysinit.h>
#include <rtems/test.h>
+#include <rtems/extensionimpl.h>
#include <rtems/score/apimutex.h>
#include <rtems/score/sysstate.h>
#include <rtems/score/userextimpl.h>
@@ -40,6 +41,8 @@ typedef enum {
INITIAL_EXTENSIONS_POST,
DATA_STRUCTURES_PRE,
DATA_STRUCTURES_POST,
+ USER_EXTENSIONS_PRE,
+ USER_EXTENSIONS_POST,
IDLE_THREADS_PRE,
IDLE_THREADS_POST,
BSP_LIBC_PRE,
@@ -133,6 +136,18 @@ LAST(RTEMS_SYSINIT_DATA_STRUCTURES)
next_step(DATA_STRUCTURES_POST);
}
+FIRST(RTEMS_SYSINIT_USER_EXTENSIONS)
+{
+ assert(_Extension_Information.maximum == 0);
+ next_step(USER_EXTENSIONS_PRE);
+}
+
+LAST(RTEMS_SYSINIT_USER_EXTENSIONS)
+{
+ assert(_Extension_Information.maximum != 0);
+ next_step(USER_EXTENSIONS_POST);
+}
+
FIRST(RTEMS_SYSINIT_IDLE_THREADS)
{
assert(_System_state_Is_before_initialization(_System_state_Get()));
@@ -216,6 +231,8 @@ static void Init(rtems_task_argument arg)
#define CONFIGURE_APPLICATION_DOES_NOT_NEED_CLOCK_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
+#define CONFIGURE_MAXIMUM_USER_EXTENSIONS 1
+
#define CONFIGURE_MAXIMUM_TASKS 1
#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
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