[PATCH 13/18] config: Add _Thread_Idle_body
Sebastian Huber
sebastian.huber at embedded-brains.de
Fri Feb 14 16:02:38 UTC 2020
Move the idle thread body configuration constant out of the
configuration table.
Provide a default definition of the idle thread body constant.
Update #3875.
---
cpukit/Makefile.am | 1 +
cpukit/include/rtems/confdefs.h | 7 +++---
cpukit/include/rtems/config.h | 8 +------
cpukit/include/rtems/score/threadidledata.h | 13 +++++++++++
cpukit/score/src/threadcreateidle.c | 3 +--
cpukit/score/src/threadidledefault.c | 34 +++++++++++++++++++++++++++++
6 files changed, 54 insertions(+), 12 deletions(-)
create mode 100644 cpukit/score/src/threadidledefault.c
diff --git a/cpukit/Makefile.am b/cpukit/Makefile.am
index 13ddeeab51..33cb9e843e 100644
--- a/cpukit/Makefile.am
+++ b/cpukit/Makefile.am
@@ -956,6 +956,7 @@ librtemscpu_a_SOURCES += score/src/threaddispatch.c
librtemscpu_a_SOURCES += score/src/threadget.c
librtemscpu_a_SOURCES += score/src/threadhandler.c
librtemscpu_a_SOURCES += score/src/threadinitialize.c
+librtemscpu_a_SOURCES += score/src/threadidledefault.c
librtemscpu_a_SOURCES += score/src/threadidlestacksizedefault.c
librtemscpu_a_SOURCES += score/src/threadloadenv.c
librtemscpu_a_SOURCES += score/src/threadrestart.c
diff --git a/cpukit/include/rtems/confdefs.h b/cpukit/include/rtems/confdefs.h
index 9e166b39f3..1dfc06e158 100644
--- a/cpukit/include/rtems/confdefs.h
+++ b/cpukit/include/rtems/confdefs.h
@@ -1114,10 +1114,12 @@ extern "C" {
#ifndef CONFIGURE_IDLE_TASK_BODY
#if defined(BSP_IDLE_TASK_BODY)
#define CONFIGURE_IDLE_TASK_BODY BSP_IDLE_TASK_BODY
- #else
- #define CONFIGURE_IDLE_TASK_BODY _CPU_Thread_Idle_body
#endif
#endif
+
+#if defined(CONFIGURE_INIT) && defined(CONFIGURE_IDLE_TASK_BODY)
+const Thread_Idle_body _Thread_Idle_body = CONFIGURE_IDLE_TASK_BODY;
+#endif
/**@}*/ /* end of IDLE thread configuration */
/**
@@ -2659,7 +2661,6 @@ struct _reent *__getreent(void)
*/
const rtems_configuration_table Configuration = {
CONFIGURE_EXECUTIVE_RAM_SIZE, /* required RTEMS workspace */
- CONFIGURE_IDLE_TASK_BODY, /* user's IDLE task */
#ifdef CONFIGURE_UNIFIED_WORK_AREAS /* true for unified work areas */
true,
#else
diff --git a/cpukit/include/rtems/config.h b/cpukit/include/rtems/config.h
index 62804be41c..017b4ed476 100644
--- a/cpukit/include/rtems/config.h
+++ b/cpukit/include/rtems/config.h
@@ -87,12 +87,6 @@ typedef struct {
*/
uintptr_t work_space_size;
- /**
- * This element points to the BSP's optional idle task which may override
- * the default one provided with RTEMS.
- */
- void *(*idle_task)( uintptr_t );
-
/**
* @brief Specifies if a unified work area is used or not.
*
@@ -155,7 +149,7 @@ uint32_t rtems_configuration_get_maximum_extensions( void );
(_Watchdog_Ticks_per_timeslice)
#define rtems_configuration_get_idle_task() \
- (Configuration.idle_task)
+ (_Thread_Idle_entry)
#define rtems_configuration_get_idle_task_stack_size() \
(_Thread_Idle_stack_size)
diff --git a/cpukit/include/rtems/score/threadidledata.h b/cpukit/include/rtems/score/threadidledata.h
index aa39466f7f..c9dbbe2a0e 100644
--- a/cpukit/include/rtems/score/threadidledata.h
+++ b/cpukit/include/rtems/score/threadidledata.h
@@ -61,6 +61,19 @@ extern "C" {
*/
extern const size_t _Thread_Idle_stack_size;
+/**
+ * @brief The idle thread body type.
+ */
+typedef void *( *Thread_Idle_body )( uintptr_t );
+
+/**
+ * @brief The idle thread body.
+ *
+ * This constant is defined by the application configuration via
+ * <rtems/confdefs.h>.
+ */
+extern const Thread_Idle_body _Thread_Idle_body;
+
/** @} */
#ifdef __cplusplus
diff --git a/cpukit/score/src/threadcreateidle.c b/cpukit/score/src/threadcreateidle.c
index 66ed92702e..52c3ad4534 100644
--- a/cpukit/score/src/threadcreateidle.c
+++ b/cpukit/score/src/threadcreateidle.c
@@ -25,7 +25,6 @@
#include <rtems/score/stackimpl.h>
#include <rtems/score/sysstate.h>
#include <rtems/score/userextimpl.h>
-#include <rtems/config.h>
#include <string.h>
@@ -79,7 +78,7 @@ static void _Thread_Create_idle_for_CPU( Per_CPU_Control *cpu )
idle->is_idle = true;
idle->Start.Entry.adaptor = _Thread_Entry_adaptor_idle;
- idle->Start.Entry.Kinds.Idle.entry = rtems_configuration_get_idle_task();
+ idle->Start.Entry.Kinds.Idle.entry = _Thread_Idle_body;
_Thread_Load_environment( idle );
diff --git a/cpukit/score/src/threadidledefault.c b/cpukit/score/src/threadidledefault.c
new file mode 100644
index 0000000000..21559656e0
--- /dev/null
+++ b/cpukit/score/src/threadidledefault.c
@@ -0,0 +1,34 @@
+/*
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (C) 2020 embedded brains GmbH
+ *
+ * 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.
+ *
+ * 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.
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <rtems/score/threadidledata.h>
+
+const Thread_Idle_body _Thread_Idle_body = _CPU_Thread_Idle_body;
--
2.16.4
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