Looks good, thank you
On Mon, Feb 10, 2020 at 2:32 AM Sebastian Huber <sebastian.hu...@embedded-brains.de> wrote: > > Close #3843. > --- > c-user/configuring_a_system.rst | 36 +++++++++++++++++++++++++++++++++++- > 1 file changed, 35 insertions(+), 1 deletion(-) > > diff --git a/c-user/configuring_a_system.rst b/c-user/configuring_a_system.rst > index 81bc9bb..00584c1 100644 > --- a/c-user/configuring_a_system.rst > +++ b/c-user/configuring_a_system.rst > @@ -425,6 +425,38 @@ General System Configuration > This section defines the general system configuration options supported by > ``<rtems/confdefs.h>``. > > +.. index:: CONFIGURE_DIRTY_MEMORY > + > +.. _CONFIGURE_DIRTY_MEMORY: > + > +CONFIGURE_DIRTY_MEMORY > +---------------------- > + > +CONSTANT: > + ``CONFIGURE_DIRTY_MEMORY`` > + > +DATA TYPE: > + Boolean feature macro. > + > +RANGE: > + Defined or undefined. > + > +DEFAULT VALUE: > + By default, the memory used by the RTEMS Workspace and the C Program Heap > + is uninitialized memory. > + > +DESCRIPTION: > + This macro indicates whether RTEMS should dirty the memory used by the > + RTEMS Workspace and the C Program Heap as part of its initialization. If > + defined, the memory areas are dirtied with a ``0xCF`` byte pattern. > + Otherwise, they are not. > + > +NOTES: > + Dirtying memory can add significantly to system boot time. It may assist > + in finding code that assumes memory starts set to zero. In case > + :ref:`CONFIGURE_ZERO_WORKSPACE_AUTOMATICALLY` is also defined, then the > + memory is first dirtied and then zeroed. > + > .. index:: CONFIGURE_EXTRA_TASK_STACKS > .. index:: memory for task tasks > > @@ -1006,7 +1038,9 @@ DESCRIPTION: > > NOTES: > Zeroing memory can add significantly to system boot time. It is not > - necessary for RTEMS but is often assumed by support libraries. > + necessary for RTEMS but is often assumed by support libraries. In case > + :ref:`CONFIGURE_DIRTY_MEMORY` is also defined, then the memory is first > + dirtied and then zeroed. > > Classic API Configuration > ========================= > -- > 2.16.4 > > _______________________________________________ > devel mailing list > devel@rtems.org > http://lists.rtems.org/mailman/listinfo/devel _______________________________________________ devel mailing list devel@rtems.org http://lists.rtems.org/mailman/listinfo/devel
