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lib.systems.platforms: Make selection more flexible

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We dont have to match on exact strings if we get accessed to `parsed`.

Co-authored-by: Matthew Bauer <mjbauer95@gmail.com>
This commit is contained in:
John Ericson 2020-11-28 20:55:55 +00:00
parent 947f27fd0f
commit 40e7be11c8
2 changed files with 19 additions and 14 deletions
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2
lib/systems/default.nix
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@ -25,7 +25,7 @@ rec {
system = parse.doubleFromSystem final.parsed;
config = parse.tripleFromSystem final.parsed;
# Just a guess, based on `system`
platform = platforms.selectBySystem final.system;
platform = platforms.select final;
# Determine whether we are compatible with the provided CPU
isCompatible = platform: parse.isCompatible final.parsed.cpu platform.parsed.cpu;
# Derived meta-data

31
lib/systems/platforms.nix
View file

@ -469,17 +469,22 @@ rec {
'';
};
selectBySystem = system: {
i486-linux = pc32;
i586-linux = pc32;
i686-linux = pc32;
x86_64-linux = pc64;
armv5tel-linux = sheevaplug;
armv6l-linux = raspberrypi;
armv7a-linux = armv7l-hf-multiplatform;
armv7l-linux = armv7l-hf-multiplatform;
aarch64-linux = aarch64-multiplatform;
mipsel-linux = fuloong2f_n32;
powerpc64le-linux = powernv;
}.${system} or pcBase;
select = platform:
# x86
/**/ if platform.isx86_32 then pc32
else if platform.isx86_64 then pc64
# ARM
else if platform.isAarch32 then let
version = platform.parsed.cpu.version or "";
in if lib.versionOlder version "6" then sheevaplug
else if lib.versionOlder version "7" then raspberrypi
else armv7l-hf-multiplatform
else if platform.isAarch64 then aarch64-multiplatform
else if platform.parsed.cpu == lib.systems.parse.cpuTypes.mipsel then fuloong2f_n32
else if platform.parsed.cpu == lib.systems.parse.cpuTypes.powerpc64le then powernv
else pcBase;
}