boards/default.nix


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33

{ libkernel, pkgs }:

let
  mkKernel = { name, asmFile, linkerScript }:
    pkgs.stdenvNoCC.mkDerivation {
      pname = "${libkernel.pname}-${name}";
      version = libkernel.version;
      inherit asmFile linkerScript;

      nativeBuildInputs = [ pkgs.stdenv.cc.bintools.bintools ];

      dontUnpack = true;
      buildPhase = ''
        runHook preBuild

        riscv64-unknown-none-elf-as -g -march=rv64gc -mabi=lp64d -o asm.o \
          $asmFile

        riscv64-unknown-none-elf-ld --gc-sections -T$linkerScript -o kernel.elf \
          asm.o ${libkernel}/lib/libkernel.a

        runHook postBuild
      '';
      installPhase = ''
        runHook preInstall
        install -Dt $out kernel.elf
        runHook postInstall
      '';
    };

in pkgs.lib.recurseIntoAttrs {
  qemu-virt = pkgs.callPackage ./qemu-virt { inherit mkKernel; };
}