On 11/2/20 4:57 pm, Sebastian Huber wrote: > On 10/02/2020 22:30, Gedare Bloom wrote: > >> On Mon, Feb 10, 2020 at 2:14 PM Chris Johns <chr...@rtems.org> wrote: >>> >>> >>> On 10/2/20 8:32 pm, Sebastian Huber 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 >>> .. "assumes memory starts set to zero" does not look right to me? >>> >> At first I disagreed, but then it does seem ambiguous, whether it >> means the starting address is 0 or the value is 0. >> >> It should be clarified, "memory values start set to zero" or "set to >> all zeroes" to make it clear memory is meant in the plural sense. > > The FreeBSD man page uses "The memory is set to zero." Should I change it to: > > "It may assist in finding code that assumes the content of free memory areas > is > cleared to zero during system initialization."
Nice. A minor tweak ... ... incorrectly assumes the contents ... ? ? Chris _______________________________________________ devel mailing list devel@rtems.org http://lists.rtems.org/mailman/listinfo/devel
