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The kvm selftest library for arm64 currently configures the hardware
fields, such as shift and mask in the page-table entries and registers,
directly with numbers. While it add comments at places, it's better to
rewrite them with appropriate macros to improve the readability and
reduce the risk of errors. Hence, introduce macros to define the
hardware fields and use them in the arm64 processor library.
Most of the definitions are primary copied from the Linux's header,
arch/arm64/include/asm/pgtable-hwdef.h.
No functional change intended.
Suggested-by: Oliver Upton <oupton@google.com>
Signed-off-by: Raghavendra Rao Ananta <rananta@google.com>
Link: https://lore.kernel.org/r/20250405001042.1470552-2-rananta@google.com
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
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Use the kernel's canonical $(ARCH) paths instead of the raw target triple
for KVM selftests directories. KVM selftests are quite nearly the only
place in the entire kernel that using the target triple for directories,
tools/testing/selftests/drivers/s390x being the lone holdout.
Using the kernel's preferred nomenclature eliminates the minor, but
annoying, friction of having to translate to KVM's selftests directories,
e.g. for pattern matching, opening files, running selftests, etc.
Opportunsitically delete file comments that reference the full path of the
file, as they are obviously prone to becoming stale, and serve no known
purpose.
Reviewed-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Acked-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Acked-by: Andrew Jones <ajones@ventanamicro.com>
Link: https://lore.kernel.org/r/20241128005547.4077116-16-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
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