Messages in this thread | | | Date | Sun, 31 Aug 2014 11:49:41 -0700 | From | Guenter Roeck <> | Subject | Re: Status of 'cris' architecture support in Linux kernel |
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On 08/31/2014 11:33 AM, Sam Ravnborg wrote: > 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: >> >> headers_install >> >> 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[2]: *** 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. >
Hi Sam,
That is great. Note there is a second part besides the failure itself: The resulting installed headers don't work and need a post-installation patch, as mentioned in my previous e-mail. Would be great if you can look into this as well (if you did not do so already).
Thanks, Guenter
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