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uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

Browse source 
https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>
This commit is contained in:
Anton Arapov 2021-04-03 12:58:10 +02:00 • committed by Alan Daniels
commit 56de2bcd43
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107
lib/systems/architectures.nix Normal file
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{ lib }:
rec {
# gcc.arch to its features (as in /proc/cpuinfo)
features = {
default = [ ];
# x86_64 Intel
westmere = [ "sse3" "ssse3" "sse4_1" "sse4_2" "aes" ];
sandybridge = [ "sse3" "ssse3" "sse4_1" "sse4_2" "aes" "avx" ];
ivybridge = [ "sse3" "ssse3" "sse4_1" "sse4_2" "aes" "avx" ];
haswell = [ "sse3" "ssse3" "sse4_1" "sse4_2" "aes" "avx" "avx2" "fma" ];
broadwell = [ "sse3" "ssse3" "sse4_1" "sse4_2" "aes" "avx" "avx2" "fma" ];
skylake = [ "sse3" "ssse3" "sse4_1" "sse4_2" "aes" "avx" "avx2" "fma" ];
skylake-avx512 = [ "sse3" "ssse3" "sse4_1" "sse4_2" "aes" "avx" "avx2" "avx512" "fma" ];
cannonlake = [ "sse3" "ssse3" "sse4_1" "sse4_2" "aes" "avx" "avx2" "avx512" "fma" ];
icelake-client = [ "sse3" "ssse3" "sse4_1" "sse4_2" "aes" "avx" "avx2" "avx512" "fma" ];
icelake-server = [ "sse3" "ssse3" "sse4_1" "sse4_2" "aes" "avx" "avx2" "avx512" "fma" ];
cascadelake = [ "sse3" "ssse3" "sse4_1" "sse4_2" "aes" "avx" "avx2" "avx512" "fma" ];
cooperlake = [ "sse3" "ssse3" "sse4_1" "sse4_2" "aes" "avx" "avx2" "avx512" "fma" ];
tigerlake = [ "sse3" "ssse3" "sse4_1" "sse4_2" "aes" "avx" "avx2" "avx512" "fma" ];
# x86_64 AMD
btver1 = [ "sse3" "ssse3" "sse4_1" "sse4_2" ];
btver2 = [ "sse3" "ssse3" "sse4_1" "sse4_2" "aes" "avx" ];
bdver1 = [ "sse3" "ssse3" "sse4_1" "sse4_2" "sse4a" "aes" "avx" "fma" "fma4" ];
bdver2 = [ "sse3" "ssse3" "sse4_1" "sse4_2" "sse4a" "aes" "avx" "fma" "fma4" ];
bdver3 = [ "sse3" "ssse3" "sse4_1" "sse4_2" "sse4a" "aes" "avx" "fma" "fma4" ];
bdver4 = [ "sse3" "ssse3" "sse4_1" "sse4_2" "sse4a" "aes" "avx" "avx2" "fma" "fma4" ];
znver1 = [ "sse3" "ssse3" "sse4_1" "sse4_2" "sse4a" "aes" "avx" "avx2" "fma" ];
znver2 = [ "sse3" "ssse3" "sse4_1" "sse4_2" "sse4a" "aes" "avx" "avx2" "fma" ];
znver3 = [ "sse3" "ssse3" "sse4_1" "sse4_2" "sse4a" "aes" "avx" "avx2" "fma" ];
# other
armv5te = [ ];
armv6 = [ ];
armv7-a = [ ];
armv8-a = [ ];
mips32 = [ ];
loongson2f = [ ];
};
# a superior CPU has all the features of an inferior and is able to build and test code for it
inferiors = {
# x86_64 Intel
default = [ ];
westmere = [ ];
sandybridge = [ "westmere" ] ++ inferiors.westmere;
ivybridge = [ "sandybridge" ] ++ inferiors.sandybridge;
haswell = [ "ivybridge" ] ++ inferiors.ivybridge;
broadwell = [ "haswell" ] ++ inferiors.haswell;
skylake = [ "broadwell" ] ++ inferiors.broadwell;
skylake-avx512 = [ "skylake" ] ++ inferiors.skylake;
# x86_64 AMD
# TODO: fill this (need testing)
btver1 = [ ];
btver2 = [ ];
bdver1 = [ ];
bdver2 = [ ];
bdver3 = [ ];
bdver4 = [ ];
# Regarding `skylake` as inferior of `znver1`, there are reports of
# successful usage by Gentoo users and Phoronix benchmarking of different
# `-march` targets.
#
# The GCC documentation on extensions used and wikichip documentation
# regarding supperted extensions on znver1 and skylake was used to create
# this partial order.
#
# Note:
#
# - The succesors of `skylake` (`cannonlake`, `icelake`, etc) use `avx512`
# which no current AMD Zen michroarch support.
# - `znver1` uses `ABM`, `CLZERO`, `CX16`, `MWAITX`, and `SSE4A` which no
# current Intel microarch support.
#
# https://www.phoronix.com/scan.php?page=article&item=amd-znver3-gcc11&num=1
# https://gcc.gnu.org/onlinedocs/gcc/x86-Options.html
# https://en.wikichip.org/wiki/amd/microarchitectures/zen
# https://en.wikichip.org/wiki/intel/microarchitectures/skylake
znver1 = [ "skylake" ] ++ inferiors.skylake;
znver2 = [ "znver1" ] ++ inferiors.znver1;
znver3 = [ "znver2" ] ++ inferiors.znver2;
# other
armv5te = [ ];
armv6 = [ ];
armv7-a = [ ];
armv8-a = [ ];
mips32 = [ ];
loongson2f = [ ];
};
predicates = let
featureSupport = feature: x: builtins.elem feature features.${x} or [];
in {
sse3Support = featureSupport "sse3";
ssse3Support = featureSupport "ssse3";
sse4_1Support = featureSupport "sse4_1";
sse4_2Support = featureSupport "sse4_2";
sse4_aSupport = featureSupport "sse4a";
avxSupport = featureSupport "avx";
avx2Support = featureSupport "avx2";
avx512Support = featureSupport "avx512";
aesSupport = featureSupport "aes";
fmaSupport = featureSupport "fma";
fma4Support = featureSupport "fma4";
};
}