From a51a52d832bb42841c7e7037f538bfc89cfcc914 Mon Sep 17 00:00:00 2001
From: Artemis Tosini <artemis.tosini@obsidian.systems>
Date: Fri, 27 Feb 2026 12:54:04 -0500
Subject: [PATCH] freebsd.iwlwifi-firmware: init

---
 .../freebsd/pkgs/iwlwifi-firmware/package.nix | 55 +++++++++++++++++++
 .../pkgs/iwlwifi-firmware/src/Makefile.inc    |  8 +++
 .../pkgs/iwlwifi-firmware/src/gen-makefiles   | 26 +++++++++
 3 files changed, 89 insertions(+)
 create mode 100644 pkgs/os-specific/bsd/freebsd/pkgs/iwlwifi-firmware/package.nix
 create mode 100644 pkgs/os-specific/bsd/freebsd/pkgs/iwlwifi-firmware/src/Makefile.inc
 create mode 100644 pkgs/os-specific/bsd/freebsd/pkgs/iwlwifi-firmware/src/gen-makefiles

diff --git a/pkgs/os-specific/bsd/freebsd/pkgs/iwlwifi-firmware/package.nix b/pkgs/os-specific/bsd/freebsd/pkgs/iwlwifi-firmware/package.nix
new file mode 100644
index 000000000000..fc357098f95a
--- /dev/null
+++ b/pkgs/os-specific/bsd/freebsd/pkgs/iwlwifi-firmware/package.nix
@@ -0,0 +1,55 @@
+{
+  lib,
+  mkDerivation,
+  sys,
+  buildFreebsd,
+  linux-firmware,
+}:
+mkDerivation rec {
+  # out-of-tree, but we still want to use freebsd.mkDerivation, which wants an in-tree path
+  path = "...";
+
+  pname = "iwlwifi-firmware";
+  version = linux-firmware.version;
+
+  # Upstream FreeBSD doesn't wrap wifi firmware, only gpu firmware.
+  # We have to write our own build scripts for this.
+  src = ./src;
+
+  outputs = [
+    "out"
+    "debug"
+  ];
+
+  extraNativeBuildInputs = [ buildFreebsd.xargs-j ];
+
+  env = sys.passthru.env;
+  SYSDIR = "${sys.src}/sys";
+  KERN_DEBUGDIR = "${builtins.placeholder "debug"}/lib/debug";
+  KERN_DEBUGDIR_KODIR = "${KERN_DEBUGDIR}/kernel";
+  KERN_DEBUGDIR_KMODDIR = "${KERN_DEBUGDIR}/kernel";
+  KMODDIR = "${placeholder "out"}/kernel";
+
+  LINUX_FIRMWARE = "${linux-firmware}/lib/firmware";
+
+  # generates relocations the linker can't handle
+  hardeningDisable = [
+    "pic"
+  ];
+
+  makeFlags = [
+    "DEBUG_FLAGS=-g"
+    "XARGS_J=xargs-j"
+    "NO_XREF=1"
+  ];
+
+  preConfigure = ''
+    bash gen-makefiles
+  '';
+
+  meta = {
+    description = "Intel Wifi Firmware for FreeBSD";
+    platforms = lib.platforms.freebsd;
+    license = linux-firmware.meta.license;
+  };
+}
diff --git a/pkgs/os-specific/bsd/freebsd/pkgs/iwlwifi-firmware/src/Makefile.inc b/pkgs/os-specific/bsd/freebsd/pkgs/iwlwifi-firmware/src/Makefile.inc
new file mode 100644
index 000000000000..810faf24a206
--- /dev/null
+++ b/pkgs/os-specific/bsd/freebsd/pkgs/iwlwifi-firmware/src/Makefile.inc
@@ -0,0 +1,8 @@
+KMOD=	${NAME}
+
+FIRMWS=	${NAME}:${NAME}
+
+CLEANFILES+=	${NAME} ${NAME}.fwo ${NAME}.ko.debug ${NAME}.ko.full
+
+${NAME}: ${LINUX_FIRMWARE}/intel/iwlwifi/${NAME}
+	cp $? ${.TARGET}
diff --git a/pkgs/os-specific/bsd/freebsd/pkgs/iwlwifi-firmware/src/gen-makefiles b/pkgs/os-specific/bsd/freebsd/pkgs/iwlwifi-firmware/src/gen-makefiles
new file mode 100644
index 000000000000..e9250b7e6e3c
--- /dev/null
+++ b/pkgs/os-specific/bsd/freebsd/pkgs/iwlwifi-firmware/src/gen-makefiles
@@ -0,0 +1,26 @@
+set -e
+
+scriptdir=$(cd $(dirname $0) && pwd)
+fwdir=$LINUX_FIRMWARE/intel/iwlwifi
+
+for dir in $scriptdir/*; do
+	if [ ! -d "$dir" ]; then
+		continue
+	fi
+	rm -rf "$dir"
+done
+
+for file in $fwdir/*.*; do
+	base=$(basename $file)
+
+	echo "SUBDIR += $base" >> Makefile
+
+	mkdir -p "$scriptdir/$base"
+	cat > "$scriptdir/$base/Makefile" <<EOF
+NAME=		$base
+
+.include <bsd.kmod.mk>
+EOF
+done
+
+echo ".include <bsd.subdir.mk>" >> Makefile