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lib/systems/parse: stop considering armv8a able to execute armv7l

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In the past, most (if not all) armv8 CPUs could also execute armv7. However,
with the advent of Apple Silicon, aarch64 CPUs without any aarch32 capabilities
are now wide-spread among users.
This commit is contained in:
Atemu 2023-01-21 16:03:35 +01:00
parent fb95bbd0b9
commit 44e5b41871
1 changed files with 2 additions and 13 deletions
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15
lib/systems/parse.nix
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@ -182,23 +182,12 @@ rec {
(b == armv7l && isCompatible a armv7a)
(b == armv7l && isCompatible a armv7r)
(b == armv7l && isCompatible a armv7m)
(b == armv7a && isCompatible a armv8a)
(b == armv7r && isCompatible a armv8a)
(b == armv7m && isCompatible a armv8a)
(b == armv7a && isCompatible a armv8r)
(b == armv7r && isCompatible a armv8r)
(b == armv7m && isCompatible a armv8r)
(b == armv7a && isCompatible a armv8m)
(b == armv7r && isCompatible a armv8m)
(b == armv7m && isCompatible a armv8m)
# ARMv8
(b == armv8r && isCompatible a armv8a)
(b == armv8m && isCompatible a armv8a)
# XXX: not always true! Some arm64 cpus don’t support arm32 mode.
(b == aarch64 && a == armv8a)
(b == armv8a && isCompatible a aarch64)
(b == armv8r && isCompatible a armv8a)
(b == armv8m && isCompatible a armv8a)
# PowerPC
(b == powerpc && isCompatible a powerpc64)