diff options
Diffstat (limited to 'lib/systems/parse.nix')
-rw-r--r-- | lib/systems/parse.nix | 78 |
1 files changed, 53 insertions, 25 deletions
diff --git a/lib/systems/parse.nix b/lib/systems/parse.nix index 6bd44a00746..386f252f2ba 100644 --- a/lib/systems/parse.nix +++ b/lib/systems/parse.nix @@ -93,6 +93,10 @@ rec { mips64 = { bits = 64; significantByte = bigEndian; family = "mips"; }; mips64el = { bits = 64; significantByte = littleEndian; family = "mips"; }; + mmix = { bits = 64; significantByte = bigEndian; family = "mmix"; }; + + m68k = { bits = 32; significantByte = bigEndian; family = "m68k"; }; + powerpc = { bits = 32; significantByte = bigEndian; family = "power"; }; powerpc64 = { bits = 64; significantByte = bigEndian; family = "power"; }; powerpc64le = { bits = 64; significantByte = littleEndian; family = "power"; }; @@ -101,6 +105,8 @@ rec { riscv32 = { bits = 32; significantByte = littleEndian; family = "riscv"; }; riscv64 = { bits = 64; significantByte = littleEndian; family = "riscv"; }; + s390 = { bits = 32; significantByte = bigEndian; family = "s390"; }; + sparc = { bits = 32; significantByte = bigEndian; family = "sparc"; }; sparc64 = { bits = 64; significantByte = bigEndian; family = "sparc"; }; @@ -114,18 +120,33 @@ rec { vc4 = { bits = 32; significantByte = littleEndian; family = "vc4"; }; + or1k = { bits = 32; significantByte = bigEndian; family = "or1k"; }; + js = { bits = 32; significantByte = littleEndian; family = "js"; }; }; - # Determine where two CPUs are compatible with each other. That is, - # can we run code built for system b on system a? For that to - # happen, then the set of all possible possible programs that system - # b accepts must be a subset of the set of all programs that system - # a accepts. This compatibility relation forms a category where each - # CPU is an object and each arrow from a to b represents - # compatibility. CPUs with multiple modes of Endianness are - # isomorphic while all CPUs are endomorphic because any program - # built for a CPU can run on that CPU. + # GNU build systems assume that older NetBSD architectures are using a.out. + gnuNetBSDDefaultExecFormat = cpu: + if (cpu.family == "x86" && cpu.bits == 32) || + (cpu.family == "arm" && cpu.bits == 32) || + (cpu.family == "sparc" && cpu.bits == 32) + then execFormats.aout + else execFormats.elf; + + # Determine when two CPUs are compatible with each other. That is, + # can code built for system B run on system A? For that to happen, + # the programs that system B accepts must be a subset of the + # programs that system A accepts. + # + # We have the following properties of the compatibility relation, + # which must be preserved when adding compatibility information for + # additional CPUs. + # - (reflexivity) + # Every CPU is compatible with itself. + # - (transitivity) + # If A is compatible with B and B is compatible with C then A is compatible with C. + # - (compatible under multiple endianness) + # CPUs with multiple modes of endianness are pairwise compatible. isCompatible = a: b: with cpuTypes; lib.any lib.id [ # x86 (b == i386 && isCompatible a i486) @@ -267,20 +288,21 @@ rec { kernels = with execFormats; with kernelFamilies; setTypes types.openKernel { # TODO(@Ericson2314): Don't want to mass-rebuild yet to keeping 'darwin' as - # the nnormalized name for macOS. - macos = { execFormat = macho; families = { inherit darwin; }; name = "darwin"; }; - ios = { execFormat = macho; families = { inherit darwin; }; }; - freebsd = { execFormat = elf; families = { inherit bsd; }; }; - linux = { execFormat = elf; families = { }; }; - netbsd = { execFormat = elf; families = { inherit bsd; }; }; - none = { execFormat = unknown; families = { }; }; - openbsd = { execFormat = elf; families = { inherit bsd; }; }; - solaris = { execFormat = elf; families = { }; }; - wasi = { execFormat = wasm; families = { }; }; - redox = { execFormat = elf; families = { }; }; - windows = { execFormat = pe; families = { }; }; - ghcjs = { execFormat = unknown; families = { }; }; - genode = { execFormat = elf; families = { }; }; + # the normalized name for macOS. + macos = { execFormat = macho; families = { inherit darwin; }; name = "darwin"; }; + ios = { execFormat = macho; families = { inherit darwin; }; }; + freebsd = { execFormat = elf; families = { inherit bsd; }; }; + linux = { execFormat = elf; families = { }; }; + netbsd = { execFormat = elf; families = { inherit bsd; }; }; + none = { execFormat = unknown; families = { }; }; + openbsd = { execFormat = elf; families = { inherit bsd; }; }; + solaris = { execFormat = elf; families = { }; }; + wasi = { execFormat = wasm; families = { }; }; + redox = { execFormat = elf; families = { }; }; + windows = { execFormat = pe; families = { }; }; + ghcjs = { execFormat = unknown; families = { }; }; + genode = { execFormat = elf; families = { }; }; + mmixware = { execFormat = unknown; families = { }; }; } // { # aliases # 'darwin' is the kernel for all of them. We choose macOS by default. darwin = kernels.macos; @@ -382,7 +404,7 @@ rec { else if (elemAt l 1) == "elf" then { cpu = elemAt l 0; vendor = "unknown"; kernel = "none"; abi = elemAt l 1; } else { cpu = elemAt l 0; kernel = elemAt l 1; }; - "3" = # Awkwards hacks, beware! + "3" = # Awkward 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") @@ -393,6 +415,8 @@ rec { then { cpu = elemAt l 0; vendor = elemAt l 1; kernel = "wasi"; } else if (elemAt l 2 == "redox") then { cpu = elemAt l 0; vendor = elemAt l 1; kernel = "redox"; } + else if (elemAt l 2 == "mmixware") + then { cpu = elemAt l 0; vendor = elemAt l 1; kernel = "mmixware"; } else if hasPrefix "netbsd" (elemAt l 2) then { cpu = elemAt l 0; vendor = elemAt l 1; kernel = elemAt l 2; } else if (elem (elemAt l 2) ["eabi" "eabihf" "elf"]) @@ -451,8 +475,12 @@ rec { else "${cpu.name}-${kernel.name}"; tripleFromSystem = { cpu, vendor, kernel, abi, ... } @ sys: assert isSystem sys; let + optExecFormat = + lib.optionalString (kernel.name == "netbsd" && + gnuNetBSDDefaultExecFormat cpu != kernel.execFormat) + kernel.execFormat.name; optAbi = lib.optionalString (abi != abis.unknown) "-${abi.name}"; - in "${cpu.name}-${vendor.name}-${kernel.name}${optAbi}"; + in "${cpu.name}-${vendor.name}-${kernel.name}${optExecFormat}${optAbi}"; ################################################################################ |