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Old 22nd March 2015
Plast0000 Plast0000 is offline
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Question n00b question: how to cross-compile NetBSD

how to cross-compile NetBSD kernel for evbarm
the guides on netbsd website are not really helpful ( at least for me)

https://www.netbsd.org/docs/guide/en...-config-kernel
http://netbsd.gw.com/cgi-bin/man-cgi...BSD-6.0.1+i386


target CPU: Allwinner A10
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Old 22nd March 2015
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In all fairness person who can't follow NetBSD documentation has no business trying to cross compile NetBSD. cross compilation is used by developers to port NetBSD to new hardware platforms.
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Old 22nd March 2015
ibara ibara is offline
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Quote:
Originally Posted by plastic_shadow View Post
target CPU: Allwinner A10
What board do you have? The evbarm directory is organized by board not by CPU. That'll help us figure out which one you need.
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Old 23rd March 2015
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well I'm trying to, but it's somewhat complex for me, I'm a noob
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Old 23rd March 2015
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Quote:
Originally Posted by ibara View Post
What board do you have? The evbarm directory is organized by board not by CPU. That'll help us figure out which one you need.
it's a CUBIEBOARD
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Old 23rd March 2015
ibara ibara is offline
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Quote:
Originally Posted by Plast0000 View Post
it's a CUBIEBOARD
OK. Judging by the NetBSD docs, something like this should work:*
Check out src tree to /usr/src
Code:
# cd /usr/src && mkdir -p /usr/obj
# ./build.sh -m evbearmv7hf-el tools
# cd /usr/src/sys/arch/evbarm/conf/CUBIEBOARD && cp GENERIC CUBIE
CUBIE can be anything you want to name your kernel.
You can then edit the CUBIE kernel but I don't see a need for that.
Code:
# cd /usr/src
# ./build.sh -u -m evbearmv7hf-el kernel=CUBIE
# ./build.sh -U -u -m evbearmv7hf-el release
# ./build.sh -U -x -u -m evbearmv7hf-el release
You only need the last line (with the -x option) if you also want to have X. Otherwise you can omit it.

* I do not use NetBSD this is just my best guess based on reading the docs.
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Old 23rd March 2015
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While I've never used that arch, I've always been able to put the -U (unprivileged User) flag on the tools and kernel builds. The NetBSD Guide was unclear about this.
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Old 1st April 2015
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Quote:
Originally Posted by IdOp View Post
While I've never used that arch, I've always been able to put the -U (unprivileged User) flag on the tools and kernel builds. The NetBSD Guide was unclear about this.
those guides got me puzzled to be honest
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Old 1st April 2015
Plast0000 Plast0000 is offline
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Quote:
Originally Posted by ibara View Post
OK. Judging by the NetBSD docs, something like this should work:*
Check out src tree to /usr/src
Code:
# cd /usr/src && mkdir -p /usr/obj
# ./build.sh -m evbearmv7hf-el tools
# cd /usr/src/sys/arch/evbarm/conf/CUBIEBOARD && cp GENERIC CUBIE
CUBIE can be anything you want to name your kernel.
You can then edit the CUBIE kernel but I don't see a need for that.
Code:
# cd /usr/src
# ./build.sh -u -m evbearmv7hf-el kernel=CUBIE
# ./build.sh -U -u -m evbearmv7hf-el release
# ./build.sh -U -x -u -m evbearmv7hf-el release
You only need the last line (with the -x option) if you also want to have X. Otherwise you can omit it.

* I do not use NetBSD this is just my best guess based on reading the docs.
that actually helped, thanks alot
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