Thank you, Adrian.
Currently I'm still trying to find a way to make sel4 run on bb black,
I don't want to waste my $42, LOL.
My problem is the broken code in dm.c seems easy to fix but I've no
idea about the missing header clock.h in
stage/arm/am335x/include/platsupport/plat, which is included in
stage/arm/am335x/include/platsupport/clock.h .
And what board do you use right now? Currently I get some spare money,
I'd like to hear your advice.
Thanks very much.
Best regards,
Kun Cheng
2015-02-06 7:09 GMT+08:00 Adrian Danis
Hi Kun,
Beaglebone was a platform that has been used internally in the past, which is why you have found several bits of code laying around for it. However we stopped using it some time ago, which is why we did not put it on the list of supported architectures http://sel4.systems/FAQ/#hw, and so it is of no surprise that the code is broken. The build errors look like various refactors and other changes that were probably blindly applied to the platform, but never actually compiled or run.
Unfortunately this is not a platform we have time to actively work on and keep up to date. If you are able to get it compiling and running then we would gladly accept the changes.
Adrian
On 04/02/15 14:03, Kun Cheng wrote:
Hi guys,
I happened to find out that beaglebone was listed in the menuconfig. After that I immediately bought a Beaglebone black (Yeah I know beaglebone is different from bb black, but it might succeed. LOL.) and tried to build a image for my bb black . But I found code errors during compilation.
I use arm-none-eabi tool chains and the gcc version is 4.8.
Errors occurred in
sel4test/libs/libplatsupport/src/clock.c which includes platsupport/plat/clock.h but it doesn't exist
sel4test/libs/libplatsupport/src/plat/am335x/dm.c has several coding mistakes, like:
in function dm_stop_timer() the 'timer' is undeclared in function dm_periodic() dm is undeclared in function dm_get_timer() timer->properties.upcounter = false; but 'false' is undeclared timer->properties.bitwidth = 32; should probably be timer->properties.bit_width = 32;
and timer->start = dm_timer_start; timer->stop = dm_timer_stop; should probably be: timer->start = dm_start_timer; timer->stop = dm_stop_timer;
also I got a redundant redeclaration of 'ki_end' in sel4test/kernel/src/plat/am335x/machine/hardware.c
which the compiler thought the previous declaration of ki_end was in : sel4test/kernel/src/arch/arm/kernel/boot.c
So I am just wandering if beaglebone support is still under development? If any of you run sel4 successfully on beaglebone black, please give me some instructions. Currently I removed building platform independent libraries from menuconfig and the compilation went well. But I don't think it's a good idea.
And I also find the cross tool chains which is recommend for Debian Wheezy on the http://sel4.systems/Download/DebianToolChain.pml seems to be not working well for compiling beagle configs. I got cc1 options error during compiling which is due to that some of the options are supported by gcc 4.5 or later while the recommended one is based on gcc 4.4.
Best regards,
Kun Cheng
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