64 lines
2.6 KiB
Plaintext
64 lines
2.6 KiB
Plaintext
How to test build using Aboriginal Linux system images.
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* Put a source tree into hdc.dir/.
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For example, this should work:
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git clone git://busybox.net/var/lib/git/busybox.git
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* Run ./make-hdc-img.sh: it will generate ext2 image file,
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hdc.img, from hdc.dir/* data. This requires root for loop mount.
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* Download and unpack, or build from source and unpack
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one or more system-image-ARCH directories into this directory
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(the one which contains this README).
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* Install qemu-system-ARCH. The arch names may differ from
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system-image-ARCH: for example, all ARM flavors (armv4l...armv6l)
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are served by the same qemu - qemu-system-arm. On my machine,
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I needed to install qemu-system-{arm,mips,x86,ppc,sparc,m68k,sh4}.
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* Run: ./parallel-build-hdc-img.sh system-image-DIR1 system-image-DIR2...
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(background it if you don't want to see "Waiting to finish" thing).
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This runs build in several qemu virtual machines in parallel.
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* Observe system-image-*.log file(s) with growing log of the build.
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There is no automated detection of errors for now: you need to examine
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logs yourself.
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Log files will also contain uuencoded (or if all else fails, od -tx1'ed)
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binary, if build was successful.
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To debug a build problem in one of the sandboxes, change keep_hdb
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to "keep_hdb=true" in parallel-build-hdc-img.sh
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- this preserves system-image-ARCH/hdb.img after the build,
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so you can go into system-image-ARCH and run
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"HDB=hdb.img ./dev-environment.sh" to debug the problem.
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You can also run "./parallel-build-hdc-img.sh -s system-image-ARCH"
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- single mode, output is to screen and serial input is from keyboard.
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If hdc.dir/bin/busybox-$ARCH exists, it will be used during build
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to supply additional tools (dir with all applets appended to $PATH).
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For me, the following system images worked:
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system-image-armv4l
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system-image-armv4tl
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system-image-armv5l
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od is buggy on arm*:
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# echo Hello-hello-hello-hello | od -b
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0000000 110 145 154 154 157 055 150 145 154 154 157 055 150 145 154 154
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0000000 157 055 150 145 154 154 157 012 <= WRONG OFFSET
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0000000 (can also be even more bogus like 17767153361)
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system-image-i686
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system-image-mips - od is buggy
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system-image-mipsel - od is buggy
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system-image-x86_64
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system-image-powerpc - qemu 1.2.2 didn't work, 2.4.0 worked; od is buggy
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system-image-sparc - qemu 1.2.2 didn't work, 2.4.0 worked; od is buggy
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And these did not:
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system-image-armv6l - hang on "Uncompressing Linux... done, booting the kernel"
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system-image-m68k - my qemu doesn't like "-M q800"
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system-image-mips64 - init dies "Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000a"
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system-image-sh4 - qemu segfaults early in kernel boot
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