smol-machines--smolvm
wehub-resource-sync
120 行
3.1 KiB
Nix
120 行
3.1 KiB
Nix
{
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lib,
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stdenv,
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fetchurl,
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src,
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pkgsCross,
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flex,
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bison,
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bc,
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cpio,
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perl,
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elfutils,
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libelf,
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python3,
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variant ? null,
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}:
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assert lib.elem variant [
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null
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"sev"
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"tdx"
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];
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let
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linuxCrossCc = if stdenv.hostPlatform.isAarch64
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then pkgsCross.aarch64-multiplatform.stdenv.cc
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else pkgsCross.gnu64.stdenv.cc;
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in
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stdenv.mkDerivation (finalAttrs: {
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pname = "libkrunfw" + lib.optionalString (variant != null) "-${variant}";
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version = "5.4.0";
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inherit src;
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kernelSrc = fetchurl {
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url = "mirror://kernel/linux/kernel/v6.x/linux-6.12.87.tar.xz";
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hash = "sha256-zBKnZEtM754GYnsp3odT4is9B2cDqbUr6EJj4FyLmDA=";
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};
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postPatch = ''
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substituteInPlace Makefile \
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--replace 'curl $(KERNEL_REMOTE) -o $(KERNEL_TARBALL)' 'ln -s $(kernelSrc) $(KERNEL_TARBALL)'
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'' + lib.optionalString stdenv.hostPlatform.isDarwin ''
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substituteInPlace Makefile \
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--replace 'for patch in $(KERNEL_PATCHES); do patch -p1 -d $(KERNEL_SOURCES) < "$$patch"; done' 'for patch in $(KERNEL_PATCHES); do patch -p1 -d $(KERNEL_SOURCES) < "$$patch"; done; perl -0pi -e "s/typedef struct \\{\\n\\t__u8 b\\[16\\];\\n\\} uuid_t;/#ifndef __APPLE__\\ntypedef struct {\\n\\t__u8 b[16];\\n} uuid_t;\\n#endif/; s/uuid->b\\[/(*uuid)[/g" $(KERNEL_SOURCES)/scripts/mod/file2alias.c' \
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--replace '$(MAKE) olddefconfig' '$(MAKE) HOSTCC=cc HOSTCFLAGS=-I../host-include olddefconfig' \
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--replace '$(MAKE) $(MAKEFLAGS) $(KERNEL_FLAGS)' '$(MAKE) HOSTCC=cc HOSTCFLAGS=-I../host-include $(MAKEFLAGS) $(KERNEL_FLAGS)'
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'';
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preBuild = lib.optionalString stdenv.hostPlatform.isDarwin ''
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mkdir -p host-include
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cp ${linuxCrossCc.libc.dev}/include/elf.h host-include/
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cat > host-include/byteswap.h <<'EOF'
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#pragma once
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#define bswap_16(x) __builtin_bswap16(x)
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#define bswap_32(x) __builtin_bswap32(x)
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#define bswap_64(x) __builtin_bswap64(x)
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EOF
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export HOSTCC=cc
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'';
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nativeBuildInputs = [
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stdenv.cc
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flex
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bison
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bc
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cpio
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perl
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python3
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python3.pkgs.pyelftools
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] ++ lib.optionals stdenv.hostPlatform.isDarwin [
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linuxCrossCc
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libelf
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];
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buildInputs = lib.optionals stdenv.hostPlatform.isLinux [
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elfutils
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];
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makeFlags = [
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"PREFIX=${placeholder "out"}"
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]
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++ lib.optionals stdenv.hostPlatform.isDarwin [
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"OS=Linux"
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"ARCH=${stdenv.hostPlatform.linuxArch}"
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"CROSS_COMPILE=${linuxCrossCc.targetPrefix}"
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]
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++ lib.optionals (variant == "sev") [
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"SEV=1"
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]
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++ lib.optionals (variant == "tdx") [
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"TDX=1"
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];
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# Fixes https://github.com/containers/libkrunfw/issues/55
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env = lib.optionalAttrs stdenv.targetPlatform.isAarch64 {
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NIX_CFLAGS_COMPILE = "-march=armv8-a+crypto";
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};
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enableParallelBuilding = true;
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meta = {
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description = "Dynamic library bundling the guest payload consumed by libkrun";
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homepage = "https://github.com/smol-machines/libkrunfw";
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license = with lib.licenses; [
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lgpl2Only
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lgpl21Only
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];
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platforms = [
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"x86_64-linux"
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]
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++ lib.optionals (variant == null) [
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"aarch64-linux"
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"riscv64-linux"
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"aarch64-darwin"
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"x86_64-darwin"
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];
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};
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})
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