From 49d5c6716c24cebf9dd9fa06d7f5145345026c3e Mon Sep 17 00:00:00 2001
From: Alejandro Soto <alejandro@34project.org>
Date: Sun, 8 Mar 2026 21:15:53 -0600
Subject: pkgs: ipxe: initial commit

---
 pkgs/ipxe/default.nix | 57 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 pkgs/ipxe/default.nix

(limited to 'pkgs/ipxe/default.nix')

diff --git a/pkgs/ipxe/default.nix b/pkgs/ipxe/default.nix
new file mode 100644
index 0000000..390a271
--- /dev/null
+++ b/pkgs/ipxe/default.nix
@@ -0,0 +1,57 @@
+{
+  ipxe,
+  lib,
+  writeText,
+  stage2-url ? "http://[fe80::b007:b007]/\${netX/mac}/stage2.ipxe",
+}: {
+  minimal = ipxe.override {
+    embedScript = "..."; # TODO
+    pname = "ipxe-minimal";
+    enabledOptions = [];
+
+    preConfigure = ''
+      sed -i \
+        '/^#define\s\+\<[A-Z0-9_]\+\>\s*\(\/\*.*\*\/\)\?$/ { /CONFIG_GENERAL_H/! { s/^/\/\// } }' \
+        src/config/general.h
+    '';
+  };
+
+  with-script =
+    (ipxe.override {
+      embedScript = writeText "ipxe-shim-script" ''
+        #!ipxe
+        echo stage1: chainloading from ${stage2-url}...
+        ifconf --configurator ipv6 --timeout 1000 || goto try-v4
+        goto try-boot
+        :try-v4
+        echo stage1: failed to bring IPv6 up, trying DHCP...
+        ifconf --configurator dhcp --timeout 1000 || goto fail
+        :try-boot
+        isset ''${netX/gateway}  && isset ''${syslog}  || set syslog  ''${netX/gateway}
+        isset ''${netX/gateway6} && isset ''${syslog6} || set syslog6 ''${netX/gateway6}
+        show syslog
+        show syslog6
+        echo stage1: network up
+        route ||
+        chain --timeout 10000 --replace ${stage2-url} ||
+        :fail
+        echo stage1: failed, rebooting in 5s...
+        sleep 5
+        reboot --warm
+      '';
+    }).overrideAttrs (finalAtrs: prevAttrs: {
+      pname = "ipxe-with-embedded-script";
+      enabledOptions = [
+        "DOWNLOAD_PROTO_HTTP"
+        "NET_PROTO_IPV4"
+        "NET_PROTO_IPV6"
+        "REBOOT_CMD"
+      ];
+
+      preConfigure = ''
+        sed -i \
+          's/^\s*#define\s\+LOG_LEVEL\>.*$/#define LOG_LEVEL LOG_ALL/; /#define\s\+CONSOLE_SYSLOG\>/ { s/\/\/#/#/; }' \
+          src/config/console.h
+      '';
+    });
+}
-- 
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