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/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @ingroup RTEMSImplApplConfig
*
* @brief This header file evaluates configuration options related to the RTEMS
* Workspace configuration.
*/
/*
* Copyright (C) 2020, 2021 embedded brains GmbH (http://www.embedded-brains.de)
*
* 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.
*/
#ifndef _RTEMS_CONFDEFS_WKSPACE_H
#define _RTEMS_CONFDEFS_WKSPACE_H
#ifndef __CONFIGURATION_TEMPLATE_h
#error "Do not include this file directly, use <rtems/confdefs.h> instead"
#endif
#ifdef CONFIGURE_INIT
#include <rtems/confdefs/bdbuf.h>
#include <rtems/confdefs/inittask.h>
#include <rtems/confdefs/initthread.h>
#include <rtems/confdefs/objectsposix.h>
#include <rtems/confdefs/threads.h>
#include <rtems/confdefs/wkspacesupport.h>
#include <rtems/score/coremsg.h>
#include <rtems/score/context.h>
#include <rtems/score/memory.h>
#include <rtems/score/stack.h>
#include <rtems/sysinit.h>
#if CPU_STACK_ALIGNMENT > CPU_HEAP_ALIGNMENT
#define _CONFIGURE_TASK_STACK_ALLOC_SIZE( _stack_size ) \
( RTEMS_ALIGN_UP( \
( _stack_size ) + CONTEXT_FP_SIZE, \
CPU_STACK_ALIGNMENT \
) + CPU_STACK_ALIGNMENT - CPU_HEAP_ALIGNMENT )
#else
#define _CONFIGURE_TASK_STACK_ALLOC_SIZE( _stack_size ) \
RTEMS_ALIGN_UP( ( _stack_size ) + CONTEXT_FP_SIZE, CPU_STACK_ALIGNMENT )
#endif
#ifdef CONFIGURE_TASK_STACK_FROM_ALLOCATOR
#define _Configure_From_stackspace( _stack_size ) \
CONFIGURE_TASK_STACK_FROM_ALLOCATOR( \
_CONFIGURE_TASK_STACK_ALLOC_SIZE( _stack_size ) \
)
#else
#define _Configure_From_stackspace( _stack_size ) \
_Configure_From_workspace( \
_CONFIGURE_TASK_STACK_ALLOC_SIZE( _stack_size ) \
)
#endif
#ifndef CONFIGURE_EXTRA_TASK_STACKS
#define CONFIGURE_EXTRA_TASK_STACKS 0
#endif
#ifndef CONFIGURE_EXECUTIVE_RAM_SIZE
#define CONFIGURE_MESSAGE_BUFFERS_FOR_QUEUE( _messages, _size ) \
_Configure_From_workspace( \
( _messages ) * ( _Configure_Align_up( _size, sizeof( uintptr_t ) ) \
+ sizeof( CORE_message_queue_Buffer ) ) )
#ifndef CONFIGURE_MESSAGE_BUFFER_MEMORY
#define CONFIGURE_MESSAGE_BUFFER_MEMORY 0
#endif
#ifndef CONFIGURE_MEMORY_OVERHEAD
#define CONFIGURE_MEMORY_OVERHEAD 0
#endif
/*
* We must be able to split the free block used for the second last allocation
* into two parts so that we have a free block for the last allocation. See
* _Heap_Block_split().
*/
#define _CONFIGURE_HEAP_HANDLER_OVERHEAD \
_Configure_Align_up( HEAP_BLOCK_HEADER_SIZE, CPU_HEAP_ALIGNMENT )
#define CONFIGURE_EXECUTIVE_RAM_SIZE \
( _CONFIGURE_MEMORY_FOR_POSIX_OBJECTS \
+ CONFIGURE_MESSAGE_BUFFER_MEMORY \
+ 1024 * CONFIGURE_MEMORY_OVERHEAD \
+ _CONFIGURE_HEAP_HANDLER_OVERHEAD )
#define _CONFIGURE_STACK_SPACE_SIZE \
( _CONFIGURE_INIT_TASK_STACK_EXTRA \
+ _CONFIGURE_POSIX_INIT_THREAD_STACK_EXTRA \
+ _CONFIGURE_LIBBLOCK_TASKS_STACK_EXTRA \
+ CONFIGURE_EXTRA_TASK_STACKS \
+ rtems_resource_maximum_per_allocation( \
_CONFIGURE_TASKS - CONFIGURE_MINIMUM_TASKS_WITH_USER_PROVIDED_STORAGE \
) \
* _Configure_From_stackspace( CONFIGURE_MINIMUM_TASK_STACK_SIZE ) \
+ rtems_resource_maximum_per_allocation( CONFIGURE_MAXIMUM_POSIX_THREADS ) \
* _Configure_From_stackspace( CONFIGURE_MINIMUM_POSIX_THREAD_STACK_SIZE ) \
+ _CONFIGURE_HEAP_HANDLER_OVERHEAD )
#else /* CONFIGURE_EXECUTIVE_RAM_SIZE */
#if CONFIGURE_EXTRA_TASK_STACKS != 0
#error "CONFIGURE_EXECUTIVE_RAM_SIZE defined with request for CONFIGURE_EXTRA_TASK_STACKS"
#endif
#define _CONFIGURE_STACK_SPACE_SIZE 0
#endif /* CONFIGURE_EXECUTIVE_RAM_SIZE */
#ifdef __cplusplus
extern "C" {
#endif
const uintptr_t _Workspace_Size = CONFIGURE_EXECUTIVE_RAM_SIZE;
#ifdef CONFIGURE_UNIFIED_WORK_AREAS
const bool _Workspace_Is_unified = true;
struct Heap_Control *( * const _Workspace_Malloc_initializer )( void ) =
_Workspace_Malloc_initialize_unified;
#endif
uint32_t rtems_minimum_stack_size = CONFIGURE_MINIMUM_TASK_STACK_SIZE;
const uintptr_t _Stack_Space_size = _CONFIGURE_STACK_SPACE_SIZE;
#if defined(CONFIGURE_TASK_STACK_ALLOCATOR) \
&& defined(CONFIGURE_TASK_STACK_DEALLOCATOR)
/*
* Ignore the following warnings from g++ and clang in the uses of
* _CONFIGURE_ASSERT_NOT_NULL() below:
*
* warning: the address of 'f()' will never be NULL [-Waddress]
*
* warning: comparison of function 'f' not equal to a null pointer is always
* true [-Wtautological-pointer-compare]
*/
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Waddress"
#pragma GCC diagnostic ignored "-Wpragmas"
#pragma GCC diagnostic ignored "-Wtautological-pointer-compare"
#ifdef CONFIGURE_TASK_STACK_ALLOCATOR_AVOIDS_WORK_SPACE
const bool _Stack_Allocator_avoids_workspace = true;
#else
const bool _Stack_Allocator_avoids_workspace = false;
#endif
#ifdef CONFIGURE_TASK_STACK_ALLOCATOR_INIT
const Stack_Allocator_initialize _Stack_Allocator_initialize =
_CONFIGURE_ASSERT_NOT_NULL(
Stack_Allocator_initialize,
CONFIGURE_TASK_STACK_ALLOCATOR_INIT
);
RTEMS_SYSINIT_ITEM(
_Stack_Allocator_do_initialize,
RTEMS_SYSINIT_STACK_ALLOCATOR,
RTEMS_SYSINIT_ORDER_MIDDLE
);
#endif
const Stack_Allocator_allocate _Stack_Allocator_allocate =
_CONFIGURE_ASSERT_NOT_NULL(
Stack_Allocator_allocate,
CONFIGURE_TASK_STACK_ALLOCATOR
);
const Stack_Allocator_free _Stack_Allocator_free =
_CONFIGURE_ASSERT_NOT_NULL(
Stack_Allocator_free,
CONFIGURE_TASK_STACK_DEALLOCATOR
);
#pragma GCC diagnostic pop
#elif defined(CONFIGURE_TASK_STACK_ALLOCATOR) \
|| defined(CONFIGURE_TASK_STACK_DEALLOCATOR)
#error "CONFIGURE_TASK_STACK_ALLOCATOR and CONFIGURE_TASK_STACK_DEALLOCATOR must be both defined or both undefined"
#endif
#ifdef CONFIGURE_DIRTY_MEMORY
RTEMS_SYSINIT_ITEM(
_Memory_Dirty_free_areas,
RTEMS_SYSINIT_DIRTY_MEMORY,
RTEMS_SYSINIT_ORDER_MIDDLE
);
#endif
#ifdef CONFIGURE_ZERO_WORKSPACE_AUTOMATICALLY
const bool _Memory_Zero_before_use = true;
RTEMS_SYSINIT_ITEM(
_Memory_Zero_free_areas,
RTEMS_SYSINIT_ZERO_MEMORY,
RTEMS_SYSINIT_ORDER_MIDDLE
);
#endif
#ifdef __cplusplus
}
#endif
#endif /* CONFIGURE_INIT */
#endif /* _RTEMS_CONFDEFS_WKSPACE_H */
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