problem while trying converting c program from rtems4 to rtems5

[Gedare Bloom]

On Sun, Jan 3, 2021 at 10:04 AM Gedare Bloom <gedare at rtems.org> wrote:

> Hi Rotem,
>
> We have started to try to capture information to help make migration
> easier. See
> https://ftp.rtems.org/pub/rtems/releases/5/5.1/docs/html/user/migration/v4_11-to-v5.html
> for the migration from 4.11 to 5. That may help you some.
>
> In addition, the configuration options are documented at
> https://ftp.rtems.org/pub/rtems/releases/5/5.1/docs/html/c-user/config/index.html
>
> Usually, you should check your configuration when migrating and also look
> for deprecated/obsolete APIs in use. (And, if you broke the API visibility
> somehow, you may need to fix that on your end. Some users like to "peek
> under the sheets" to see what is going on in RTEMS source, and then make
> application code that is implementation-dependent. This is not recommended
> in general.)
>
> In your specific case, you should check out
> https://ftp.rtems.org/pub/rtems/releases/5/5.1/docs/html/c-user/config/general.html#configure-unified-work-areas
> maybe as a start
>
> Gedare
>
> On Sun, Jan 3, 2021 at 5:21 AM Rotem Dror MTH <rodror at iai.co.il> wrote:
>
>>
>>
>> Hello,
>>
>>
>>
>> We have an old program (written in c language) running on RTEM 4.10
>>
>> we are trying to run this program with new environment – RTEM5 with gcc
>> v10.2.0.
>>
>> we also updated the linkcmds file according to linkcmds.base
>>
>>
>>
>> we have done compellation and loading grmon3 successfully.
>>
>>
>>
>> When we start to debug/run the program we get an error in file
>> malloc_initialize.c, line 79: "INTERNAL ERROR NO MEMORY FOR HEAP"
>>
>> We understand (from guide file named: c-user.pdf) that the problem should
>> be because of configuration error.
>>
>> Please let us know, where (or how) can we update this configuration? Or
>> maybe this problem caused by a different cause?
>>
>>
>>
>
PS: your configuration options should be part of your application code.
Whatever is not specified by you will be defaulted as documented.


> If we proceed and skip this error, we stopped on bus error according to
>> file userextiterate.c line 192: iter.previous  pointed to 0x0 address.
>>
>>
>>
>> Best Regards
>>
>> Rotem
>>
>>
>>
>>
>>
>>
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