1 files changed, 31 insertions, 0 deletions
diff --git a/opt/amd-ucode/MAKEPKG b/opt/amd-ucode/MAKEPKG
new file mode 100644
index 0000000..44664f8
--- /dev/null
+++ b/opt/amd-ucode/MAKEPKG
@@ -0,0 +1,31 @@
+#!/bin/mkpkg
+# description: AMD CPU microcode early initramfs image
+# url: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git
+
+name=amd-ucode
+version=20260916
+release=1
+makedeps=(cpio)
+source=(https://mirrors.edge.kernel.org/pub/linux/kernel/firmware/linux-firmware-$version.tar.xz)
+
+sha256sums=(
+    "f80dcb757a623deda62200c08e0e1a88c76fb6b54964f31b35fa74da1c90ccc5"
+)
+
+build() {
+    cd linux-firmware-$version
+
+    mkdir -p kernel/x86/microcode
+    cat amd-ucode/microcode_amd*.bin > kernel/x86/microcode/AuthenticAMD.bin
+
+    find kernel | cpio -o -H newc --owner=0:0 > amd-ucode.img
+
+    install -Dm644 amd-ucode.img $PKG/boot/efi/amd-ucode.img
+}
+
+signify() {
+    untrusted comment: public key
+    RWTZ9IduCSQ/mL8337TEUinPwT92xFEUpD92hkS7IxcOnzTt9QdpohT3
+}
+
+# vim: filetype=sh