Re: Status of 'cris' architecture support in Linux kernel
From: Sam Ravnborg
Date: Sun Aug 31 2014 - 14:34:02 EST
On Sun, Aug 31, 2014 at 10:50:10AM -0700, Guenter Roeck wrote:
> The idea was to create a crisv32 kernel and initramfs to work with qemu
> for the ongoing Linux kernel test project.
> After spending a number of days (and nights) on it, the results don't look
> very encouraging.
> My overall conclusion is that 'cris' architecture support in the Linux kernel
> is in bad shape, does not work anymore, and would require substantial effort
> to get it into working state.
> Anyway, below are my individual findings. If there is an ongoing effort to
> improve cris support in the upstream kernel, specifically support for crisv32,
> please let me know. I'll be happy to test the resulting kernels.
Jesper is on parental leave so do not expect any prompt reply from him.
> Individual findings:
> make ARCH=cris INSTALL_HDR_PATH=/tmp headers_install
> results in:
> ./scripts/Makefile.headersinst:14: arch/cris/include/uapi/asm/arch-v10/Kbuild:
> No such file or directory
> make: *** No rule to make target `arch/cris/include/uapi/asm/arch-v10/Kbuild'. Stop.
I have already sent a fix for this that Michael said he wanted to deal with.
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