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2019-05-20libfdt: upgrade to upstream dtc.git 243176cNicholas Piggin1-8/+6
Upgrade libfdt/ to github.com/dgibson/dtc.git 243176c ("Fix bogus error on rebuild") This copies dtc/libfdt/ to skiboot/libfdt/, with the only change in that directory being the addition of README.skiboot and Makefile.inc. This adds about 14kB text, 2.5kB compressed xz. This could be reduced or mostly eliminated by cutting out fdt version checks and unused code, but tracking upstream is a bigger benefit at the moment. This loses commits: 14ed2b842f61 ("libfdt: add basic sanity check to fdt_open_into") bc7bb3d12bc1 ("sparse: fix declaration of fdt_strerror") As well as some prehistoric similar kinds of things, which is the punishment for us not being good downstream citizens and sending things upstream! Syncing to upstream will make that effort simpler in future. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Stewart Smith <stewart@linux.ibm.com>
2018-02-28build: use thin archives rather than incremental linkingNicholas Piggin1-1/+1
This changes to build system to use thin archives rather than incremental linking for built-in.o, similar to recent change to Linux. built-in.o is renamed to built-in.a, and is created as a thin archive with no index, for speed and size. All built-in.a are aggregated into a skiboot.tmp.a which is a thin archive built with an index, making it suitable or linking. This is input into the final link. The advantags of build size and linker code placement flexibility are not as great with skiboot as a bigger project like Linux, but it's a conceptually better way to build, and is more compatible with link time optimisation in toolchains which might be interesting for skiboot particularly for size reductions. Size of build tree before this patch is 34.4MB, afterwards 23.1MB. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
2014-07-02Initial commit of Open Source releaseBenjamin Herrenschmidt1-0/+18
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>