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-rw-r--r--lib/systems/parse.nix123
1 files changed, 104 insertions, 19 deletions
diff --git a/lib/systems/parse.nix b/lib/systems/parse.nix
index a20b334311ef..0c42689a9b13 100644
--- a/lib/systems/parse.nix
+++ b/lib/systems/parse.nix
@@ -69,24 +69,24 @@ rec {
cpuTypes = with significantBytes; setTypes types.openCpuType {
arm = { bits = 32; significantByte = littleEndian; family = "arm"; };
- armv5tel = { bits = 32; significantByte = littleEndian; family = "arm"; version = "5"; };
- armv6m = { bits = 32; significantByte = littleEndian; family = "arm"; version = "6"; };
- armv6l = { bits = 32; significantByte = littleEndian; family = "arm"; version = "6"; };
- armv7a = { bits = 32; significantByte = littleEndian; family = "arm"; version = "7"; };
- armv7r = { bits = 32; significantByte = littleEndian; family = "arm"; version = "7"; };
- armv7m = { bits = 32; significantByte = littleEndian; family = "arm"; version = "7"; };
- armv7l = { bits = 32; significantByte = littleEndian; family = "arm"; version = "7"; };
- armv8a = { bits = 32; significantByte = littleEndian; family = "arm"; version = "8"; };
- armv8r = { bits = 32; significantByte = littleEndian; family = "arm"; version = "8"; };
- armv8m = { bits = 32; significantByte = littleEndian; family = "arm"; version = "8"; };
- aarch64 = { bits = 64; significantByte = littleEndian; family = "arm"; version = "8"; };
- aarch64_be = { bits = 64; significantByte = bigEndian; family = "arm"; version = "8"; };
-
- i386 = { bits = 32; significantByte = littleEndian; family = "x86"; };
- i486 = { bits = 32; significantByte = littleEndian; family = "x86"; };
- i586 = { bits = 32; significantByte = littleEndian; family = "x86"; };
- i686 = { bits = 32; significantByte = littleEndian; family = "x86"; };
- x86_64 = { bits = 64; significantByte = littleEndian; family = "x86"; };
+ armv5tel = { bits = 32; significantByte = littleEndian; family = "arm"; version = "5"; arch = "armv5t"; };
+ armv6m = { bits = 32; significantByte = littleEndian; family = "arm"; version = "6"; arch = "armv6-m"; };
+ armv6l = { bits = 32; significantByte = littleEndian; family = "arm"; version = "6"; arch = "armv6"; };
+ armv7a = { bits = 32; significantByte = littleEndian; family = "arm"; version = "7"; arch = "armv7-a"; };
+ armv7r = { bits = 32; significantByte = littleEndian; family = "arm"; version = "7"; arch = "armv7-r"; };
+ armv7m = { bits = 32; significantByte = littleEndian; family = "arm"; version = "7"; arch = "armv7-m"; };
+ armv7l = { bits = 32; significantByte = littleEndian; family = "arm"; version = "7"; arch = "armv7"; };
+ armv8a = { bits = 32; significantByte = littleEndian; family = "arm"; version = "8"; arch = "armv8-a"; };
+ armv8r = { bits = 32; significantByte = littleEndian; family = "arm"; version = "8"; arch = "armv8-a"; };
+ armv8m = { bits = 32; significantByte = littleEndian; family = "arm"; version = "8"; arch = "armv8-m"; };
+ aarch64 = { bits = 64; significantByte = littleEndian; family = "arm"; version = "8"; arch = "armv8-a"; };
+ aarch64_be = { bits = 64; significantByte = bigEndian; family = "arm"; version = "8"; arch = "armv8-a"; };
+
+ i386 = { bits = 32; significantByte = littleEndian; family = "x86"; arch = "i386"; };
+ i486 = { bits = 32; significantByte = littleEndian; family = "x86"; arch = "i486"; };
+ i586 = { bits = 32; significantByte = littleEndian; family = "x86"; arch = "i586"; };
+ i686 = { bits = 32; significantByte = littleEndian; family = "x86"; arch = "i686"; };
+ x86_64 = { bits = 64; significantByte = littleEndian; family = "x86"; arch = "x86-64"; };
mips = { bits = 32; significantByte = bigEndian; family = "mips"; };
mipsel = { bits = 32; significantByte = littleEndian; family = "mips"; };
@@ -109,11 +109,92 @@ rec {
alpha = { bits = 64; significantByte = littleEndian; family = "alpha"; };
+ msp430 = { bits = 16; significantByte = littleEndian; family = "msp430"; };
avr = { bits = 8; family = "avr"; };
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.
+ isCompatible = a: b: with cpuTypes; lib.any lib.id [
+ # x86
+ (b == i386 && isCompatible a i486)
+ (b == i486 && isCompatible a i586)
+ (b == i586 && isCompatible a i686)
+
+ # XXX: Not true in some cases. Like in WSL mode.
+ (b == i686 && isCompatible a x86_64)
+
+ # ARMv4
+ (b == arm && isCompatible a armv5tel)
+
+ # ARMv5
+ (b == armv5tel && isCompatible a armv6l)
+
+ # ARMv6
+ (b == armv6l && isCompatible a armv6m)
+ (b == armv6m && isCompatible a armv7l)
+
+ # ARMv7
+ (b == armv7l && isCompatible a armv7a)
+ (b == armv7l && isCompatible a armv7r)
+ (b == armv7l && isCompatible a armv7m)
+ (b == armv7a && isCompatible a armv8a)
+ (b == armv7r && isCompatible a armv8a)
+ (b == armv7m && isCompatible a armv8a)
+ (b == armv7a && isCompatible a armv8r)
+ (b == armv7r && isCompatible a armv8r)
+ (b == armv7m && isCompatible a armv8r)
+ (b == armv7a && isCompatible a armv8m)
+ (b == armv7r && isCompatible a armv8m)
+ (b == armv7m && isCompatible a armv8m)
+
+ # ARMv8
+ (b == armv8r && isCompatible a armv8a)
+ (b == armv8m && isCompatible a armv8a)
+
+ # XXX: not always true! Some arm64 cpus don’t support arm32 mode.
+ (b == aarch64 && a == armv8a)
+ (b == armv8a && isCompatible a aarch64)
+
+ (b == aarch64 && a == aarch64_be)
+ (b == aarch64_be && isCompatible a aarch64)
+
+ # PowerPC
+ (b == powerpc && isCompatible a powerpc64)
+ (b == powerpcle && isCompatible a powerpc)
+ (b == powerpc && a == powerpcle)
+ (b == powerpc64le && isCompatible a powerpc64)
+ (b == powerpc64 && a == powerpc64le)
+
+ # MIPS
+ (b == mips && isCompatible a mips64)
+ (b == mips && a == mipsel)
+ (b == mipsel && isCompatible a mips)
+ (b == mips64 && a == mips64el)
+ (b == mips64el && isCompatible a mips64)
+
+ # RISCV
+ (b == riscv32 && isCompatible a riscv64)
+
+ # SPARC
+ (b == sparc && isCompatible a sparc64)
+
+ # WASM
+ (b == wasm32 && isCompatible a wasm64)
+
+ # identity
+ (b == a)
+ ];
+
################################################################################
types.openVendor = mkOptionType {
@@ -147,6 +228,7 @@ rec {
elf = {};
macho = {};
pe = {};
+ wasm = {};
unknown = {};
};
@@ -189,6 +271,7 @@ rec {
none = { execFormat = unknown; families = { }; };
openbsd = { execFormat = elf; families = { inherit bsd; }; };
solaris = { execFormat = elf; families = { }; };
+ wasi = { execFormat = wasm; families = { }; };
windows = { execFormat = pe; families = { }; };
ghcjs = { execFormat = unknown; families = { }; };
} // { # aliases
@@ -298,6 +381,8 @@ rec {
then { cpu = elemAt l 0; kernel = elemAt l 1; abi = elemAt l 2; }
else if (elemAt l 2 == "mingw32") # autotools breaks on -gnu for window
then { cpu = elemAt l 0; vendor = elemAt l 1; kernel = "windows"; }
+ else if (elemAt l 2 == "wasi")
+ then { cpu = elemAt l 0; vendor = elemAt l 1; kernel = "wasi"; }
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"])
@@ -348,7 +433,7 @@ rec {
mkSystemFromString = s: mkSystemFromSkeleton (mkSkeletonFromList (lib.splitString "-" s));
- doubleFromSystem = { cpu, vendor, kernel, abi, ... }:
+ doubleFromSystem = { cpu, kernel, abi, ... }:
/**/ if abi == abis.cygnus then "${cpu.name}-cygwin"
else if kernel.families ? darwin then "${cpu.name}-darwin"
else "${cpu.name}-${kernel.name}";