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Diffstat (limited to 'c-user/config/task-stack-alloc.rst')
| -rw-r--r-- | c-user/config/task-stack-alloc.rst | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/c-user/config/task-stack-alloc.rst b/c-user/config/task-stack-alloc.rst index 513815c..005a643 100644 --- a/c-user/config/task-stack-alloc.rst +++ b/c-user/config/task-stack-alloc.rst @@ -1,5 +1,6 @@ .. SPDX-License-Identifier: CC-BY-SA-4.0 +.. Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de) .. Copyright (C) 1988, 2008 On-Line Applications Research Corporation (OAR) Task Stack Allocator Configuration @@ -113,3 +114,60 @@ NOTES: - :ref:`CONFIGURE_TASK_STACK_ALLOCATOR` - `CONFIGURE_TASK_STACK_DEALLOCATOR` + +.. index:: CONFIGURE_TASK_STACK_FROM_ALLOCATOR +.. index:: task stack allocator + +.. _CONFIGURE_TASK_STACK_FROM_ALLOCATOR: + +CONFIGURE_TASK_STACK_FROM_ALLOCATOR +----------------------------------- + +CONSTANT: + ``CONFIGURE_TASK_STACK_FROM_ALLOCATOR`` + +OPTION TYPE: + This configuration option is an initializer define. + +DEFAULT VALUE: + The default value is a macro which supports the system heap allocator. + +VALUE CONSTRAINTS: + The value of this configuration option shall be defined to a macro which + accepts exactly one parameter and returns an unsigned integer. The + parameter will be an allocation size and the macro shall return this size + plus the overhead of the allocator to manage an allocation request for this + size. + +DESCRIPTION: + The value of this configuration option is used to calculate the task stack + space size. + +NOTES: + This configuration option may be used if a custom task stack allocator is + configured, see :ref:`CONFIGURE_TASK_STACK_ALLOCATOR`. + +.. index:: CONFIGURE_TASK_STACK_ALLOCATOR_AVOIDS_WORK_SPACE + +.. _CONFIGURE_TASK_STACK_ALLOCATOR_AVOIDS_WORK_SPACE: + +CONFIGURE_TASK_STACK_ALLOCATOR_AVOIDS_WORK_SPACE +------------------------------------------------ + +CONSTANT: + ``CONFIGURE_TASK_STACK_ALLOCATOR_AVOIDS_WORK_SPACE`` + +OPTION TYPE: + This configuration option is a boolean feature define. + +DEFAULT CONFIGURATION: + If this configuration option is undefined, then the described feature is not + enabled. + +DESCRIPTION: + In case this configuration option is defined, then the system is informed + that the task stack allocator does not use the RTEMS Workspace. + +NOTES: + This configuration option may be used if a custom task stack allocator is + configured, see :ref:`CONFIGURE_TASK_STACK_ALLOCATOR`. |