On 21/10/20 4:31 pm, Sebastian Huber wrote:
> On 21/10/2020 02:25, Chris Johns wrote:
>
>> On 21/10/20 3:04 am, Sebastian Huber wrote:
>>> ---
>>> bsps/arm/shared/start/linkcmds.base | 4 ++--
>>> 1 file changed, 2 insertions(+), 2 deletions(-)
>>>
>>> diff --git a/bsps/arm/shared/start/linkcmds.base
>>> b/bsps/arm/shared/start/linkcmds.base
>>> index d0663cf97e..8fa127ce08 100644
>>> --- a/bsps/arm/shared/start/linkcmds.base
>>> +++ b/bsps/arm/shared/start/linkcmds.base
>>> @@ -290,7 +290,7 @@ SECTIONS {
>>> .fast_text : ALIGN_WITH_INPUT {
>>> bsp_section_fast_text_begin = .;
>> What is `fast text` (and fast data)? I have not heard of this before and I
>> cannot find anything on it?
> I added this section 11 years ago as a section for code which could reside in
> a
> faster memory. For example, normal code could reside on a 16-bit SDRAM and the
> fast code on an internal 32-bit SRAM in a chip without a cache. In the recent
> Cortex-M7 BSPs, the fast text is mapped to the ITCM.
OK. Is anything written up about this? For example is allocating variables
automatic or can I control allocation to it?
Chris
_______________________________________________
devel mailing list
devel@rtems.org
http://lists.rtems.org/mailman/listinfo/devel
