diff options
Diffstat (limited to 'lib/systems/default.nix')
| -rw-r--r-- | lib/systems/default.nix | 31 |
1 files changed, 22 insertions, 9 deletions
diff --git a/lib/systems/default.nix b/lib/systems/default.nix index 77f200952958..8aa413f53817 100644 --- a/lib/systems/default.nix +++ b/lib/systems/default.nix @@ -3,7 +3,6 @@ rec { doubles = import ./doubles.nix { inherit lib; }; - forMeta = import ./for-meta.nix { inherit lib; }; parse = import ./parse.nix { inherit lib; }; inspect = import ./inspect.nix { inherit lib; }; platforms = import ./platforms.nix { inherit lib; }; @@ -15,7 +14,9 @@ rec { # `parsed` is inferred from args, both because there are two options with one # clearly prefered, and to prevent cycles. A simpler fixed point where the RHS # always just used `final.*` would fail on both counts. - elaborate = args: let + elaborate = args': let + args = if lib.isString args' then { system = args'; } + else args'; final = { # Prefer to parse `config` as it is strictly more informative. parsed = parse.mkSystemFromString (if args ? config then args.config else args.system); @@ -24,15 +25,20 @@ rec { config = parse.tripleFromSystem final.parsed; # Just a guess, based on `system` platform = platforms.selectBySystem final.system; + # Determine whether we are compatible with the provided CPU + isCompatible = platform: parse.isCompatible final.parsed.cpu platform.parsed.cpu; # Derived meta-data libc = /**/ if final.isDarwin then "libSystem" else if final.isMinGW then "msvcrt" + else if final.isWasi then "wasilibc" else if final.isMusl then "musl" else if final.isUClibc then "uclibc" else if final.isAndroid then "bionic" else if final.isLinux /* default */ then "glibc" + else if final.isMsp430 then "newlib" else if final.isAvr then "avrlibc" + else if final.isNetBSD then "nblibc" # TODO(@Ericson2314) think more about other operating systems else "native/impure"; extensions = { @@ -58,7 +64,7 @@ rec { "netbsd" = "NetBSD"; "freebsd" = "FreeBSD"; "openbsd" = "OpenBSD"; - "wasm" = "Wasm"; + "wasi" = "Wasi"; }.${final.parsed.kernel.name} or null; # uname -p @@ -68,16 +74,22 @@ rec { release = null; }; + kernelArch = + if final.isAarch32 then "arm" + else if final.isAarch64 then "arm64" + else if final.isx86_32 then "x86" + else if final.isx86_64 then "ia64" + else final.parsed.cpu.name; + qemuArch = if final.isArm then "arm" else if final.isx86_64 then "x86_64" else if final.isx86 then "i386" else { "powerpc" = "ppc"; + "powerpcle" = "ppc"; "powerpc64" = "ppc64"; - "powerpc64le" = "ppc64"; - "mips64" = "mips"; - "mipsel64" = "mipsel"; + "powerpc64le" = "ppc64le"; }.${final.parsed.cpu.name} or final.parsed.cpu.name; emulator = pkgs: let @@ -98,13 +110,14 @@ rec { wine = (pkgs.winePackagesFor wine-name).minimal; in if final.parsed.kernel.name == pkgs.stdenv.hostPlatform.parsed.kernel.name && - (final.parsed.cpu.name == pkgs.stdenv.hostPlatform.parsed.cpu.name || - (final.isi686 && pkgs.stdenv.hostPlatform.isx86_64)) - then pkgs.runtimeShell + pkgs.stdenv.hostPlatform.isCompatible final + then "${pkgs.runtimeShell} -c '\"$@\"' --" else if final.isWindows then "${wine}/bin/${wine-name}" else if final.isLinux && pkgs.stdenv.hostPlatform.isLinux then "${qemu-user}/bin/qemu-${final.qemuArch}" + else if final.isWasi + then "${pkgs.wasmtime}/bin/wasmtime" else throw "Don't know how to run ${final.config} executables."; } // mapAttrs (n: v: v final.parsed) inspect.predicates |