IRC log for #qi-hardware on 20150611

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14:03.42*** join/#qi-hardware paul_boddie (~paul_bodd@cm-84.215.150.4.getinternet.no)
14:04.19paul_boddieStill no real progress, although I found a blog post where someone suggests using -O linux -T kernel with mkimage:
14:04.21paul_boddiehttps://balau82.wordpress.com/2010/03/10/u-boot-for-arm-on-qemu/
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18:03.21paul_boddieJust great: rebuilt U-Boot from openwrt-xburst and now MMC-booting only gets as far as "mmc1 is available".
18:03.33paul_boddiehates U-Boot.
18:10.55*** join/#qi-hardware jwhitmore (~jwhitmore@host86-172-104-246.range86-172.btcentralplus.com)
18:11.55eintopfpaul_boddie: try barebox
18:12.48paul_boddieOn the NanoNote?
18:13.02paul_boddieI actually want to get something working with U-Boot elsewhere, though.
18:13.27eintopfmhh, then you need to port at first. yep
18:16.26paul_boddieNow I just have to figure out how to update openwrt-xburst using git. Sigh!
18:24.30paul_boddieOr just clone the damned thing again for my own sanity's sake.
18:24.43wpwrakget rid of it ? :)
18:26.40paul_boddieGit, OpenWrt or U-Boot?
18:29.13paul_boddieI thought people wanted to write their own nice bootloader, but I guess they didn't finish it.
18:35.54eintopfpaul_boddie: I think wpwrak opinion is more "bootloaders are useless"
18:36.29eintopfhttp://kboot.sourceforge.net/
18:47.39wpwrakbootloaders are very useful - and should be extremely simple :)
18:53.15eintopfso extremely simple would be "start kernel only"
18:53.25*** join/#qi-hardware wej (~j@2001:1af8:4700:a012:22::8e)
18:54.36wpwrakyup, with some initramfs that does the rest
18:55.11eintopfyea, I remember that
18:55.35paul_boddieAnd not leave the hardware in some weird state.
18:57.03paul_boddieMeanwhile, it's branch surfing time as OpenWrt fails to build its toolchain for some reason unknown to man.
18:57.23wpwraki would advocate that the kernel should try to initialize as much of the hardware as possible, to minimize its dependency on the boot loader
18:58.12wpwrakyou haven't experienced build failures if you haven't used OE ;-)
18:58.58eintopfmaybe when I have time, then I will the idea of kboot
18:59.00wpwrakat openmoko, i was very happy when we got people who just took care of building the damn monster and making binary packages
18:59.04paul_boddieOE and related stuff are just hateful, really.
18:59.19wpwrakwe seem to agree ;-)
18:59.30eintopfwhat is OE
18:59.35paul_boddieIt's a relief in a way that Debian now actually has cross-compilers that work.
18:59.39wpwrakOpenEmbedded
19:00.14eintopfah, ok
19:00.20wpwrakkinda like gentoo. but very fragile. getting it to build (which took forever) was like winning the lottery
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19:01.04wpwrakand we had the perverse setup of building code under development inside OE. so each time the monster blew up, development stopped.
19:01.59wpwrakwell, that was for the application people. we also had a simple SDK that was sufficient for my kind of work. so i largely escaped :)
19:04.34eintopfyou could script yourself some image generation foo
19:04.41eintopfand doing alle the cross compiling stuff
19:04.48eintopfbut that's more crazy
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19:05.41wpwraki made a rootfs builder that just installed pre-compiled packages and then added my stuff. that worked quite nicely.
19:06.39eintopfpre-compiled :/
19:06.42eintopfI don't like that
19:07.33eintopfmhh
19:08.27wpwrakwell, there are so many bash variations you need :)
19:08.55wpwrakand if keeps the build failures on the other side of that package repo
19:08.58wpwraks/if/it/
19:09.00qi-botwpwrak meant: "and it keeps the build failures on the other side of that package repo"
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19:31.13eintopftv is so boring, I think I read a book... perry rhodan. I am still at volume 1
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19:35.10wpwrakthe most epic space opera ever ;-)
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20:01.27paul_boddieRemembered to look up the magic formula to hopefully avoid building absolutely everything in OpenWrt:
20:01.29paul_boddiehttp://wiki.openwrt.org/doc/howtobuild/single.package
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22:03.46paul_boddieOK. MMC support is back! And suddenly my payload works for some reason.
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