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Add the LSE and various features check in the set of hwcap tests. As stated in the ARM manual, the LSE2 feature allows for atomic access to unaligned memory. Therefore, for processors that only have the LSE feature, we register .sigbus_fn to test their ability to perform unaligned access. Signed-off-by: Zeng Heng <zengheng4@huawei.com> Reviewed-by: Mark Brown <broonie@kernel.org> Link: https://lore.kernel.org/r/20230808134036.668954-6-zengheng4@huawei.com Signed-off-by: Will Deacon <will@kernel.org> |
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KSelfTest ARM64
===============
- These tests are arm64 specific and so not built or run but just skipped
completely when env-variable ARCH is found to be different than 'arm64'
and `uname -m` reports other than 'aarch64'.
- Holding true the above, ARM64 KSFT tests can be run within the KSelfTest
framework using standard Linux top-level-makefile targets:
$ make TARGETS=arm64 kselftest-clean
$ make TARGETS=arm64 kselftest
or
$ make -C tools/testing/selftests TARGETS=arm64 \
INSTALL_PATH=<your-installation-path> install
or, alternatively, only specific arm64/ subtargets can be picked:
$ make -C tools/testing/selftests TARGETS=arm64 ARM64_SUBTARGETS="tags signal" \
INSTALL_PATH=<your-installation-path> install
Further details on building and running KFST can be found in:
Documentation/dev-tools/kselftest.rst