From c8de43bf43242c4ebac3d0ecb8e7951fe2371506 Mon Sep 17 00:00:00 2001
From: Nathan Ringo <nathan@remexre.com>
Date: Sat, 24 Feb 2024 22:03:49 -0600
Subject: Initial commit

---
 boards/default.nix | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 boards/default.nix

(limited to 'boards/default.nix')

diff --git a/boards/default.nix b/boards/default.nix
new file mode 100644
index 0000000..dd09255
--- /dev/null
+++ b/boards/default.nix
@@ -0,0 +1,33 @@
+{ 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; };
+}
-- 
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