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Currently the sysreg-defs are written out to the source tree
unconditionally, ignoring the specified output directory. Correct the
build rule to emit the header to the output directory. Opportunistically
reorganize the rules to avoid interleaving with the set of beauty make
rules.
Reported-by: Ian Rogers <irogers@google.com>
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Link: https://lore.kernel.org/r/20231121192956.919380-3-oliver.upton@linux.dev
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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Aishwarya reports that KVM selftests for arm64 fail with the following
error:
| make[4]: Entering directory '/tmp/kci/linux/tools/testing/selftests/kvm'
| Makefile:270: warning: overriding recipe for target
| '/tmp/kci/linux/build/kselftest/kvm/get-reg-list'
| Makefile:265: warning: ignoring old recipe for target
| '/tmp/kci/linux/build/kselftest/kvm/get-reg-list'
| make -C ../../../../tools/arch/arm64/tools/
| make[5]: Entering directory '/tmp/kci/linux/tools/arch/arm64/tools'
| Makefile:10: ../tools/scripts/Makefile.include: No such file or directory
| make[5]: *** No rule to make target '../tools/scripts/Makefile.include'.
| Stop.
It would appear that this only affects builds from the top-level
Makefile (e.g. make kselftest-all), as $(srctree) is set to ".". Work
around the issue by shadowing the kselftest naming scheme for the source
tree variable.
Reported-by: Aishwarya TCV <aishwarya.tcv@arm.com>
Fixes: 0359c946b131 ("tools headers arm64: Update sysreg.h with kernel sources")
Link: https://lore.kernel.org/r/20231027005439.3142015-2-oliver.upton@linux.dev
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
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Use a common Makefile for generating sysreg-defs.h, which will soon be
needed by perf and KVM selftests. The naming scheme of the generated
macros is not expected to change, so just refer to the canonical
script/data in the kernel source rather than copying to tools.
Co-developed-by: Jing Zhang <jingzhangos@google.com>
Signed-off-by: Jing Zhang <jingzhangos@google.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Acked-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20231011195740.3349631-2-oliver.upton@linux.dev
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
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