[GSoC] libmm project status

[Hesham Moustafa]

On Tue, Jul 9, 2013 at 12:55 AM, Rempel, Cynthia <
cynt6007 at vandals.uidaho.edu> wrote:

> Hi,
>
> Thanks for providing the link directly to the testcases!
> Could you copy the information about each test into:
>
> mmtest1/mmtest1.doc
> Simple tests that tries to install memory management entries
>
> mmtest2/mmtest2.doc
> + Install entries with specific memory attributes (e.g read only region) :
> + Check for memory protection violations (writing to read only blocks)
> + Reading from read only blocks.
> + Write/Read to/from unmapped region (error!).
> + Write to a valid entry that was installed and then uninstalled (error!).
>
> mmtest3/mmtest3.doc
> + Tests for libmm behavior on SMP environments.
> + Create tasks for each core and start it.
> + Check for memory consistency and page tables and memory attributes
> validity.
>
> Committed, thanks for your feedback :)

> That way we can quickly identify what each test does in 5 years... Good
> job with the documentation :)
>
> Cindy
> ________________________________________
> From: rtems-devel-bounces at rtems.org [rtems-devel-bounces at rtems.org] on
> behalf of Hesham Moustafa [heshamelmatary at gmail.com]
> Sent: Monday, July 08, 2013 3:39 PM
> To: rtems-devel at rtems.org
> Cc: Gedare Bloom
> Subject: [GSoC] libmm project status
>
> Hi all,
>
> I have posted a new thread to my blog that contains a brief introduction
> to libmm and latest updates, here is the thread [1] Please take a look.
>
> TODO: port libmm for Raspberry PI board on real hardware.
>
> Questions :
>
> I have created a new test case at libtests called mmtest3 [2] which
> simulate SMP use case on QEMU/Realview. It simply tries to invoke the same
> task (which calls libmm function) for each core. There is a fatal error at
> startup that branches to data exception handler but I am not sure why.
> Please take a look and tell me if I am doing something wrong with that test
> case.
>
> Other test cases (mmtest1, mmtest2) run successfully on the same platform.
>
> [1]
> http://heshamelmatary.blogspot.com/2013/07/gsoc-2013-libmm-for-rtems.html
> [2]
> https://github.com/heshamelmatary/rtems-gsoc2013/tree/low-level-libmm/testsuites/libtests/mmtest3
>
> Regards,
> Hesham
>
>
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