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Altera_Forum's avatar
Altera_Forum
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16 years ago

Linux with MMU on NEEK

Hi, all. I'm testing Linux MMU version, on my NEEK. http://www.nioswiki.com/linux It works fine and I can use "bash" shell. This is the evident proof that we are using the true 'fo...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

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Now I tested the 'modprobe' and system call 'init_module'. It works, but unfortunately, the module is loaded in the 'vmalloc' area(0x80000000~). Nios instructions 'call' and 'jmpi' can't jump beyond the boundary of 256MBytes. So the kernel can't reach the module codes and module codes can't call kernel routines.

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Ahh. this is why Kernel Modules don't work with the MMU based distribution. (A "not usable" crit for me). I do hope Hippo and your are able to solve this issue.

Thanks for helpin out here !!!!

-Michael