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authorSam Thursfield <sam.thursfield@codethink.co.uk>2017-11-10 11:25:31 +0000
committerSam Thursfield <sam.thursfield@codethink.co.uk>2017-12-06 14:45:25 +0000
commit6c27a98c6a5207a29bffaeeb486479a2c24cd26c (patch)
treeb6955b8dec6fde8cd5837b8487dc66a0325ed23b /elements/deploy-tools.bst
parent58d9422afe0191276109e2ecaeaec721d8816a88 (diff)
downloaddefinitions-6c27a98c6a5207a29bffaeeb486479a2c24cd26c.tar.gz
Add minimal-system-image-x86_64
This element produces a disk image that boots in QEMU. It has a kernel, BusyBox, and little else; but should be suitable as a basis for more grand endeavours. This disk image we produce is 53MB. I spent a while trying to get this as small as possible and this is as far as I got: * The boot partition seems to have a minimum size just over 32MB; lower than that and SYSLINUX fails to write the boot sector. The combined size of the initramfs and kernel is about 32MB, so I imagine that's what limits us. * The main partition is limited in size only by the amount of binaries that we put there. * We have a useless 40KB swap partition, which the x86image plugin insists on creating for us. Again 40KB is the minimum size that `mkswap` will allow. It's possible to override or modify the x86image plugin to avoid swap altogether but I'm not sure of the best way to proceed. There are a few dependency cleanups in the bsp-generic stack; previously we'd build the whole 'foundation' stack which took ages and wasn't needed at all.
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diff --git a/elements/deploy-tools.bst b/elements/deploy-tools.bst
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+kind: stack
+description: Deployment tooling
+
+depends:
+- core/e2fsprogs.bst
+- coreutils-common/coreutils.bst
+- deploy-tools/mtools.bst
+- deploy-tools/parted.bst
+- bsp-generic/nasm.bst
+- bsp-generic/syslinux.bst