{ lib
, stdenv
, fetchFromGitHub
, python3
, withPlatform ? "generic"
, withPayload ? null
, withFDT ? null
}:

stdenv.mkDerivation rec {
  pname = "opensbi";
  version = "1.3-git-2868f26";

  src = fetchFromGitHub {
    owner = "riscv-software-src";
    repo = "opensbi";
    rev = "2868f26131308ff345382084681ea89c5b0159f1";
    hash = "sha256-E+nVFLSpH6lQ2nVmMlVRTr7qYRVY0ULW7gUvAyTr90I=";
  };

  postPatch = ''
    patchShebangs ./scripts
  '';

  nativeBuildInputs = [ python3 ];

  installFlags = [
    "I=$(out)"
  ];

  makeFlags = [
    "PLATFORM=${withPlatform}"
    "FW_TEXT_START=0x40000000"
  ] ++ lib.optionals (withPayload != null) [
    "FW_PAYLOAD_PATH=${withPayload}"
  ] ++ lib.optionals (withFDT != null) [
    "FW_FDT_PATH=${withFDT}"
  ];

  dontStrip = true;
  dontPatchELF = true;
}