Hi Utkarsh,
Please also fix some whitespace problems
.git/rebase-apply/patch:23: trailing whitespace.
``Correct configuration of Newlib -``
.git/rebase-apply/patch:28: trailing whitespace.
``Threading in GCC support libraries -``
.git/rebase-apply/patch:31: trailing whitespace.
done by the RTEMS specific cross-compiler.
.git/rebase-apply/patch:32: trailing whitespace.
.git/rebase-apply/patch:33: trailing whitespace.
``Provide preprocessor define __rtems__ -``
warning: squelched 1 whitespace error
And only use one blank line before the new section.
On Fri, Apr 3, 2020 at 9:15 AM Utkarsh Rai <[email protected]> wrote:
>
> Please ignore this patch, forgot to mention copyright details.
>
> On Fri, Apr 3, 2020 at 8:24 PM [email protected]
> <[email protected]> wrote:
>>
>> ---
>> user/start/tools.rst | 33 +++++++++++++++++++++++++++++++++
>> 1 file changed, 33 insertions(+)
>>
>> diff --git a/user/start/tools.rst b/user/start/tools.rst
>> index c3f039b..494e95a 100644
>> --- a/user/start/tools.rst
>> +++ b/user/start/tools.rst
>> @@ -76,3 +76,36 @@ source code used.
>>
>>
>> Add ``--verbose`` to the GCC command for the the verbose version details.
>> +
>> +
Here
>> +Need for RTEMS-Specific Cross-Compiler
>> +---------------------------------------------------------
>> +
>> +New users are often confused as to why they cannot use their distribution's
>> +cross-compiler for their target on rtems, e.g., the riscv64-linux-gnu or the
>> +arm-none-eabi-gcc on RTEMS. Below mentioned are some of the reasons for
>> using
>> +the RTEMS cross-compiler.
>> +
>> + ``Correct configuration of Newlib -``
>> + Newlib is a C standard library implementation intended for use on
>> embedded
>> + systems. Most of the POSIX and libc support for RTEMS is derived from
>> + Newlib. The RTEMS cross-compiler configures Newlib correctly for RTEMS.
>> +
>> + ``Threading in GCC support libraries -``
>> + Several threading packages in GCC such as Go threads (libgo), OpenMP
>> + (libgomp), and OpenACC need to be customized according to RTEMS. This
>> is
>> + done by the RTEMS specific cross-compiler.
>> +
>> + ``Provide preprocessor define __rtems__ -``
>> + The ``__rtems__`` preprocessor define is used to provide conditional
>> code
>> + compilation in source files that are shared with other projects e.g. in
>> + Newlib or imported code from FreeBSD.
>> +
>> + ``Multilib variants to match the BSP -``
>> + RTEMS configures GCC to create separate runtime libraries for each
>> + supported instruction set, floating point unit, vector unit, word size
>> + (e.g. 32-bit and 64-bit), endianness, ABI, processor errata
>> workarounds,
>> + and so on in the architecture. These libraries are termed as
>> :ref:`Multilib
>> + <TargetArchitectures>` variants. Multilib variants to match the BSP
>> are set
>> + by selecting a specific set of machine options using the RTEMS
>> + cross-compiler.
>> --
>> 2.17.1
>>
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