2017-05-17 15:04:27 +00:00
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# Define the list of system with their properties.
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#
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# See https://clang.llvm.org/docs/CrossCompilation.html and
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# http://llvm.org/docs/doxygen/html/Triple_8cpp_source.html especially
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# Triple::normalize. Parsing should essentially act as a more conservative
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# version of that last function.
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2018-01-29 22:50:13 +00:00
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#
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# Most of the types below come in "open" and "closed" pairs. The open ones
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# specify what information we need to know about systems in general, and the
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# closed ones are sub-types representing the whitelist of systems we support in
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# practice.
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#
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# Code in the remainder of nixpkgs shouldn't rely on the closed ones in
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# e.g. exhaustive cases. Its more a sanity check to make sure nobody defines
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# systems that overlap with existing ones and won't notice something amiss.
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#
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2017-07-29 00:05:35 +00:00
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{ lib }:
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with lib.lists;
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with lib.types;
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with lib.attrsets;
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2018-07-25 01:02:46 +00:00
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with lib.strings;
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2017-07-29 00:05:35 +00:00
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with (import ./inspect.nix { inherit lib; }).predicates;
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2009-11-19 17:19:39 +00:00
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let
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2018-01-29 22:50:13 +00:00
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inherit (lib.options) mergeOneOption;
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setTypes = type:
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2009-11-19 17:19:39 +00:00
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mapAttrs (name: value:
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2018-01-29 22:50:13 +00:00
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assert type.check value;
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setType type.name ({ inherit name; } // value));
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2017-02-09 21:09:47 +00:00
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2009-11-19 17:19:39 +00:00
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in
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rec {
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2018-01-29 22:50:13 +00:00
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################################################################################
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2018-04-14 01:41:04 +00:00
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types.openSignificantByte = mkOptionType {
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2018-01-29 22:50:13 +00:00
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name = "significant-byte";
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description = "Endianness";
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merge = mergeOneOption;
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};
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types.significantByte = enum (attrValues significantBytes);
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2018-04-14 01:41:04 +00:00
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significantBytes = setTypes types.openSignificantByte {
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2009-11-19 17:19:39 +00:00
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bigEndian = {};
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littleEndian = {};
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};
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2018-01-29 22:50:13 +00:00
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################################################################################
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# Reasonable power of 2
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types.bitWidth = enum [ 8 16 32 64 128 ];
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################################################################################
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types.openCpuType = mkOptionType {
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name = "cpu-type";
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description = "instruction set architecture name and information";
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merge = mergeOneOption;
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check = x: types.bitWidth.check x.bits
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&& (if 8 < x.bits
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then types.significantByte.check x.significantByte
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else !(x ? significantByte));
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};
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types.cpuType = enum (attrValues cpuTypes);
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cpuTypes = with significantBytes; setTypes types.openCpuType {
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2017-02-09 21:09:47 +00:00
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arm = { bits = 32; significantByte = littleEndian; family = "arm"; };
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2018-05-12 19:07:31 +00:00
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armv5tel = { bits = 32; significantByte = littleEndian; family = "arm"; version = "5"; };
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armv6m = { bits = 32; significantByte = littleEndian; family = "arm"; version = "6"; };
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armv6l = { bits = 32; significantByte = littleEndian; family = "arm"; version = "6"; };
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armv7a = { bits = 32; significantByte = littleEndian; family = "arm"; version = "7"; };
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armv7r = { bits = 32; significantByte = littleEndian; family = "arm"; version = "7"; };
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armv7m = { bits = 32; significantByte = littleEndian; family = "arm"; version = "7"; };
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armv7l = { bits = 32; significantByte = littleEndian; family = "arm"; version = "7"; };
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armv8a = { bits = 32; significantByte = littleEndian; family = "arm"; version = "8"; };
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armv8r = { bits = 32; significantByte = littleEndian; family = "arm"; version = "8"; };
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armv8m = { bits = 32; significantByte = littleEndian; family = "arm"; version = "8"; };
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aarch64 = { bits = 64; significantByte = littleEndian; family = "arm"; version = "8"; };
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2018-11-01 15:14:18 +00:00
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aarch64_be = { bits = 64; significantByte = bigEndian; family = "arm"; version = "8"; };
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2018-05-11 19:02:18 +00:00
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2018-11-21 02:33:25 +00:00
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i386 = { bits = 32; significantByte = littleEndian; family = "x86"; };
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i486 = { bits = 32; significantByte = littleEndian; family = "x86"; };
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i586 = { bits = 32; significantByte = littleEndian; family = "x86"; };
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2017-02-09 21:09:47 +00:00
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i686 = { bits = 32; significantByte = littleEndian; family = "x86"; };
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x86_64 = { bits = 64; significantByte = littleEndian; family = "x86"; };
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2018-05-11 19:02:18 +00:00
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2017-12-05 10:27:45 +00:00
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mips = { bits = 32; significantByte = bigEndian; family = "mips"; };
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mipsel = { bits = 32; significantByte = littleEndian; family = "mips"; };
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mips64 = { bits = 64; significantByte = bigEndian; family = "mips"; };
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mips64el = { bits = 64; significantByte = littleEndian; family = "mips"; };
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2018-05-11 19:02:18 +00:00
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2017-07-09 19:12:32 +00:00
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powerpc = { bits = 32; significantByte = bigEndian; family = "power"; };
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2018-08-21 19:31:34 +00:00
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powerpc64 = { bits = 64; significantByte = bigEndian; family = "power"; };
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powerpc64le = { bits = 64; significantByte = littleEndian; family = "power"; };
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2018-11-01 14:00:55 +00:00
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powerpcle = { bits = 32; significantByte = littleEndian; family = "power"; };
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2018-05-11 19:02:18 +00:00
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2018-01-25 21:30:03 +00:00
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riscv32 = { bits = 32; significantByte = littleEndian; family = "riscv"; };
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riscv64 = { bits = 64; significantByte = littleEndian; family = "riscv"; };
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2018-05-11 19:02:18 +00:00
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2018-07-26 13:33:36 +00:00
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sparc = { bits = 32; significantByte = bigEndian; family = "sparc"; };
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sparc64 = { bits = 64; significantByte = bigEndian; family = "sparc"; };
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2018-01-25 21:30:03 +00:00
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wasm32 = { bits = 32; significantByte = littleEndian; family = "wasm"; };
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wasm64 = { bits = 64; significantByte = littleEndian; family = "wasm"; };
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2019-08-23 16:53:22 +00:00
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2018-11-02 13:38:47 +00:00
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alpha = { bits = 64; significantByte = littleEndian; family = "alpha"; };
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2018-10-12 20:09:59 +00:00
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avr = { bits = 8; family = "avr"; };
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2019-08-23 16:53:22 +00:00
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js = { bits = 32; significantByte = littleEndian; family = "js"; };
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2017-02-09 21:09:47 +00:00
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};
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2009-11-19 17:19:39 +00:00
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2018-01-29 22:50:13 +00:00
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################################################################################
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types.openVendor = mkOptionType {
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name = "vendor";
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description = "vendor for the platform";
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merge = mergeOneOption;
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};
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types.vendor = enum (attrValues vendors);
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vendors = setTypes types.openVendor {
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2017-02-09 21:09:47 +00:00
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apple = {};
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pc = {};
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2017-05-17 15:04:27 +00:00
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2018-10-19 16:47:43 +00:00
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none = {};
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2017-02-09 21:09:47 +00:00
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unknown = {};
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};
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2009-11-19 17:19:39 +00:00
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2018-01-29 22:50:13 +00:00
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################################################################################
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types.openExecFormat = mkOptionType {
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name = "exec-format";
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description = "executable container used by the kernel";
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merge = mergeOneOption;
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};
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types.execFormat = enum (attrValues execFormats);
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execFormats = setTypes types.openExecFormat {
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2009-11-19 17:19:39 +00:00
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aout = {}; # a.out
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elf = {};
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macho = {};
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pe = {};
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2017-05-17 15:04:27 +00:00
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2017-02-09 21:09:47 +00:00
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unknown = {};
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2009-11-19 17:19:39 +00:00
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};
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2018-01-29 22:50:13 +00:00
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################################################################################
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types.openKernelFamily = mkOptionType {
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name = "exec-format";
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description = "executable container used by the kernel";
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merge = mergeOneOption;
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};
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types.kernelFamily = enum (attrValues kernelFamilies);
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kernelFamilies = setTypes types.openKernelFamily {
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2017-02-09 21:09:47 +00:00
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bsd = {};
|
2018-03-19 04:16:25 +00:00
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darwin = {};
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2009-11-19 17:19:39 +00:00
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};
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2018-01-29 22:50:13 +00:00
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################################################################################
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types.openKernel = mkOptionType {
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name = "kernel";
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description = "kernel name and information";
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merge = mergeOneOption;
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check = x: types.execFormat.check x.execFormat
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&& all types.kernelFamily.check (attrValues x.families);
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};
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types.kernel = enum (attrValues kernels);
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kernels = with execFormats; with kernelFamilies; setTypes types.openKernel {
|
2018-03-19 04:16:25 +00:00
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# TODO(@Ericson2314): Don't want to mass-rebuild yet to keeping 'darwin' as
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# the nnormalized name for macOS.
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macos = { execFormat = macho; families = { inherit darwin; }; name = "darwin"; };
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ios = { execFormat = macho; families = { inherit darwin; }; };
|
2017-06-12 17:27:10 +00:00
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freebsd = { execFormat = elf; families = { inherit bsd; }; };
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linux = { execFormat = elf; families = { }; };
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netbsd = { execFormat = elf; families = { inherit bsd; }; };
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none = { execFormat = unknown; families = { }; };
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openbsd = { execFormat = elf; families = { inherit bsd; }; };
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solaris = { execFormat = elf; families = { }; };
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2017-05-17 15:04:27 +00:00
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windows = { execFormat = pe; families = { }; };
|
2019-08-23 16:53:22 +00:00
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ghcjs = { execFormat = unknown; families = { }; };
|
2017-05-17 15:04:27 +00:00
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} // { # aliases
|
2018-03-19 04:16:25 +00:00
|
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# 'darwin' is the kernel for all of them. We choose macOS by default.
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darwin = kernels.macos;
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watchos = kernels.ios;
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tvos = kernels.ios;
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2017-05-17 15:04:27 +00:00
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win32 = kernels.windows;
|
2017-02-09 21:09:47 +00:00
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};
|
2009-11-19 17:19:39 +00:00
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2018-01-29 22:50:13 +00:00
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################################################################################
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types.openAbi = mkOptionType {
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name = "abi";
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description = "binary interface for compiled code and syscalls";
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merge = mergeOneOption;
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};
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types.abi = enum (attrValues abis);
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abis = setTypes types.openAbi {
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2018-05-10 21:31:07 +00:00
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cygnus = {};
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msvc = {};
|
2018-12-02 23:47:53 +00:00
|
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# Note: eabi is specific to ARM and PowerPC.
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# On PowerPC, this corresponds to PPCEABI.
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# On ARM, this corresponds to ARMEABI.
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eabi = { float = "soft"; };
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eabihf = { float = "hard"; };
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# Other architectures should use ELF in embedded situations.
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elf = {};
|
2018-05-10 21:31:07 +00:00
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|
2018-05-12 00:14:38 +00:00
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|
androideabi = {};
|
2018-05-11 21:35:56 +00:00
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|
android = {
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|
assertions = [
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{ assertion = platform: !platform.isAarch32;
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|
|
message = ''
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|
|
The "android" ABI is not for 32-bit ARM. Use "androideabi" instead.
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'';
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}
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];
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};
|
2018-05-10 21:31:07 +00:00
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gnueabi = { float = "soft"; };
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|
gnueabihf = { float = "hard"; };
|
2018-05-10 22:13:00 +00:00
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|
gnu = {
|
2018-05-09 22:50:51 +00:00
|
|
|
assertions = [
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|
|
{ assertion = platform: !platform.isAarch32;
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|
|
message = ''
|
|
|
|
The "gnu" ABI is ambiguous on 32-bit ARM. Use "gnueabi" or "gnueabihf" instead.
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'';
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|
}
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];
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|
};
|
2018-05-10 21:31:07 +00:00
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|
musleabi = { float = "soft"; };
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|
musleabihf = { float = "hard"; };
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|
musl = {};
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|
uclibceabihf = { float = "soft"; };
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|
uclibceabi = { float = "hard"; };
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|
uclibc = {};
|
2017-05-17 15:04:27 +00:00
|
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|
2017-02-09 21:09:47 +00:00
|
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|
unknown = {};
|
2009-11-19 17:19:39 +00:00
|
|
|
};
|
|
|
|
|
2018-01-29 22:50:13 +00:00
|
|
|
################################################################################
|
|
|
|
|
2018-04-05 19:22:45 +00:00
|
|
|
types.parsedPlatform = mkOptionType {
|
2018-01-29 22:50:13 +00:00
|
|
|
name = "system";
|
|
|
|
description = "fully parsed representation of llvm- or nix-style platform tuple";
|
|
|
|
merge = mergeOneOption;
|
|
|
|
check = { cpu, vendor, kernel, abi }:
|
|
|
|
types.cpuType.check cpu
|
|
|
|
&& types.vendor.check vendor
|
|
|
|
&& types.kernel.check kernel
|
|
|
|
&& types.abi.check abi;
|
|
|
|
};
|
|
|
|
|
2017-02-09 21:09:47 +00:00
|
|
|
isSystem = isType "system";
|
2018-01-29 22:50:13 +00:00
|
|
|
|
|
|
|
mkSystem = components:
|
2018-04-05 19:22:45 +00:00
|
|
|
assert types.parsedPlatform.check components;
|
2018-01-29 22:50:13 +00:00
|
|
|
setType "system" components;
|
2009-11-19 17:19:39 +00:00
|
|
|
|
2017-02-09 21:09:47 +00:00
|
|
|
mkSkeletonFromList = l: {
|
2018-10-12 20:09:59 +00:00
|
|
|
"1" = if elemAt l 0 == "avr"
|
|
|
|
then { cpu = elemAt l 0; kernel = "none"; abi = "unknown"; }
|
|
|
|
else throw "Target specification with 1 components is ambiguous";
|
2017-05-17 15:04:27 +00:00
|
|
|
"2" = # We only do 2-part hacks for things Nix already supports
|
|
|
|
if elemAt l 1 == "cygwin"
|
2017-05-22 16:42:03 +00:00
|
|
|
then { cpu = elemAt l 0; kernel = "windows"; abi = "cygnus"; }
|
2018-12-29 08:25:20 +00:00
|
|
|
# MSVC ought to be the default ABI so this case isn't needed. But then it
|
|
|
|
# becomes difficult to handle the gnu* variants for Aarch32 correctly for
|
|
|
|
# minGW. So it's easier to make gnu* the default for the MinGW, but
|
|
|
|
# hack-in MSVC for the non-MinGW case right here.
|
|
|
|
else if elemAt l 1 == "windows"
|
|
|
|
then { cpu = elemAt l 0; kernel = "windows"; abi = "msvc"; }
|
2018-12-02 23:47:53 +00:00
|
|
|
else if (elemAt l 1) == "elf"
|
2018-12-29 08:25:20 +00:00
|
|
|
then { cpu = elemAt l 0; vendor = "unknown"; kernel = "none"; abi = elemAt l 1; }
|
2017-05-17 15:04:27 +00:00
|
|
|
else { cpu = elemAt l 0; kernel = elemAt l 1; };
|
2017-02-09 21:09:47 +00:00
|
|
|
"3" = # Awkwards hacks, beware!
|
|
|
|
if elemAt l 1 == "apple"
|
|
|
|
then { cpu = elemAt l 0; vendor = "apple"; kernel = elemAt l 2; }
|
|
|
|
else if (elemAt l 1 == "linux") || (elemAt l 2 == "gnu")
|
|
|
|
then { cpu = elemAt l 0; kernel = elemAt l 1; abi = elemAt l 2; }
|
2017-05-17 15:04:27 +00:00
|
|
|
else if (elemAt l 2 == "mingw32") # autotools breaks on -gnu for window
|
2018-12-29 08:25:20 +00:00
|
|
|
then { cpu = elemAt l 0; vendor = elemAt l 1; kernel = "windows"; }
|
2018-07-25 01:02:46 +00:00
|
|
|
else if hasPrefix "netbsd" (elemAt l 2)
|
|
|
|
then { cpu = elemAt l 0; vendor = elemAt l 1; kernel = elemAt l 2; }
|
2018-12-02 23:47:53 +00:00
|
|
|
else if (elem (elemAt l 2) ["eabi" "eabihf" "elf"])
|
|
|
|
then { cpu = elemAt l 0; vendor = "unknown"; kernel = elemAt l 1; abi = elemAt l 2; }
|
2019-08-23 16:53:22 +00:00
|
|
|
else if (elemAt l 2 == "ghcjs")
|
|
|
|
then { cpu = elemAt l 0; vendor = "unknown"; kernel = elemAt l 2; }
|
2017-02-09 21:09:47 +00:00
|
|
|
else throw "Target specification with 3 components is ambiguous";
|
2017-05-17 15:04:27 +00:00
|
|
|
"4" = { cpu = elemAt l 0; vendor = elemAt l 1; kernel = elemAt l 2; abi = elemAt l 3; };
|
2017-02-09 21:09:47 +00:00
|
|
|
}.${toString (length l)}
|
|
|
|
or (throw "system string has invalid number of hyphen-separated components");
|
2009-11-19 17:19:39 +00:00
|
|
|
|
|
|
|
# This should revert the job done by config.guess from the gcc compiler.
|
2017-02-09 21:09:47 +00:00
|
|
|
mkSystemFromSkeleton = { cpu
|
|
|
|
, # Optional, but fallback too complex for here.
|
|
|
|
# Inferred below instead.
|
|
|
|
vendor ? assert false; null
|
|
|
|
, kernel
|
|
|
|
, # Also inferred below
|
|
|
|
abi ? assert false; null
|
|
|
|
} @ args: let
|
2017-05-17 15:04:27 +00:00
|
|
|
getCpu = name: cpuTypes.${name} or (throw "Unknown CPU type: ${name}");
|
|
|
|
getVendor = name: vendors.${name} or (throw "Unknown vendor: ${name}");
|
|
|
|
getKernel = name: kernels.${name} or (throw "Unknown kernel: ${name}");
|
|
|
|
getAbi = name: abis.${name} or (throw "Unknown ABI: ${name}");
|
2017-02-09 21:09:47 +00:00
|
|
|
|
2017-05-21 17:39:23 +00:00
|
|
|
parsed = rec {
|
2017-02-09 21:09:47 +00:00
|
|
|
cpu = getCpu args.cpu;
|
|
|
|
vendor =
|
|
|
|
/**/ if args ? vendor then getVendor args.vendor
|
2017-05-21 17:39:23 +00:00
|
|
|
else if isDarwin parsed then vendors.apple
|
|
|
|
else if isWindows parsed then vendors.pc
|
2017-02-09 21:09:47 +00:00
|
|
|
else vendors.unknown;
|
2018-07-25 01:02:46 +00:00
|
|
|
kernel = if hasPrefix "darwin" args.kernel then getKernel "darwin"
|
|
|
|
else if hasPrefix "netbsd" args.kernel then getKernel "netbsd"
|
|
|
|
else getKernel args.kernel;
|
2017-02-09 21:09:47 +00:00
|
|
|
abi =
|
|
|
|
/**/ if args ? abi then getAbi args.abi
|
2018-12-29 08:25:20 +00:00
|
|
|
else if isLinux parsed || isWindows parsed then
|
2018-05-12 19:07:31 +00:00
|
|
|
if isAarch32 parsed then
|
|
|
|
if lib.versionAtLeast (parsed.cpu.version or "0") "6"
|
|
|
|
then abis.gnueabihf
|
|
|
|
else abis.gnueabi
|
|
|
|
else abis.gnu
|
2017-02-09 21:09:47 +00:00
|
|
|
else abis.unknown;
|
|
|
|
};
|
|
|
|
|
2017-05-21 17:39:23 +00:00
|
|
|
in mkSystem parsed;
|
2017-02-09 21:09:47 +00:00
|
|
|
|
|
|
|
mkSystemFromString = s: mkSystemFromSkeleton (mkSkeletonFromList (lib.splitString "-" s));
|
|
|
|
|
2017-05-17 15:04:27 +00:00
|
|
|
doubleFromSystem = { cpu, vendor, kernel, abi, ... }:
|
2018-03-19 04:16:25 +00:00
|
|
|
/**/ if abi == abis.cygnus then "${cpu.name}-cygwin"
|
|
|
|
else if kernel.families ? darwin then "${cpu.name}-darwin"
|
2017-05-17 15:04:27 +00:00
|
|
|
else "${cpu.name}-${kernel.name}";
|
2017-02-09 21:09:47 +00:00
|
|
|
|
|
|
|
tripleFromSystem = { cpu, vendor, kernel, abi, ... } @ sys: assert isSystem sys; let
|
|
|
|
optAbi = lib.optionalString (abi != abis.unknown) "-${abi.name}";
|
|
|
|
in "${cpu.name}-${vendor.name}-${kernel.name}${optAbi}";
|
2009-11-19 17:19:39 +00:00
|
|
|
|
2018-01-29 22:50:13 +00:00
|
|
|
################################################################################
|
|
|
|
|
2009-11-19 17:19:39 +00:00
|
|
|
}
|