[ts-7000] Re: ts-7260, kernel detects only 8MB of memory when compiled with gcc 3.4.6

["peter_clp" <>]

> There are known problems when compiling our 2.4 kernel with gcc version
> 3.4 or newer. The recommended toolchain for compiling our 2.4 kernel is
> available here
>
ftp://ftp.embeddedarm.com/ts-arm-linux-cd/cross-toolchains/crosstool-linux-gcc-3.3.4-glibc-2.3.2-0.28rc39.tar.bz2
>

If possible can you post the details of the known problems (or a
reference to them)? And are these problems for all boards or just for
the ts-7260 ? (A part from not the detecting the memory correctly the
kernel seemed to run ok.)
The gcc-4.0.1 compiler on the ftp.embedded.com should also be used
only for user space apps ?
 
> 
> You should only need to compile your user space apps with a toolchain
> that generate/uses crunch instrucionts/registers. I believe our
> 2.4 kernel will also need to be patched to enable the crunch
> coprocessor as well as to save/restore the crunch registers on a context
> switch.

This is correct, however I would like to have one cross-compiler for
both the kernel and user-space apps. Although it is not strictly
necessary it simplifies the automated build process and it is a bit
more elegant.

I may have missed it in the TS ARM developers manual but perhaps it is
an idea to put the compiler requirements in the manual. 

Thanks,

Peter.



 
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