firmware: add microcode package for Intel

As we can only ask the user to specify which subtarget
will be used, we have to install the full x64 or x32
microcode package.

x64 will get the intel-microcode-64.bin
All other variants will get intel-microcode.bin

Signed-off-by: Zoltan HERPAI <wigyori@uid0.hu>

diff --git a/package/firmware/intel-microcode/Makefile b/package/firmware/intel-microcode/Makefile
new file mode 100644 (file)
index 0000000..541ce01
--- /dev/null
+++ b/package/firmware/intel-microcode/Makefile
@@ -0,0 +1,44 @@
+#
+# Copyright (C) 2018 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=intel-microcode
+PKG_VERSION:=20171215
+PKG_RELEASE:=1
+
+PKG_SOURCE:=intel-microcode_3.$(PKG_VERSION).$(PKG_RELEASE).tar.xz
+PKG_SOURCE_URL:=http://ftp.debian.org/debian/pool/non-free/i/intel-microcode/
+PKG_HASH:=eca8efc0a6dc456a8723204477e229577c1079fa5c1a10b6ba95d11e261ffa4d
+PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)-3.$(PKG_VERSION).$(PKG_RELEASE)
+
+ifdef CONFIG_TARGET_x86_64
+       MICROCODE:="intel-microcode-64"
+else
+       MICROCODE:="intel-microcode"
+endif
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/intel-microcode
+  SECTION:=firmware
+  CATEGORY:=Firmware
+  URL:=$(PKG_SOURCE_URL)
+  DEPENDS:=@TARGET_x86 +iucode-tool
+  TITLE:=Intel x86 CPU microcode
+endef
+
+define Build/Compile
+       IUCODE_TOOL=$(STAGING_DIR)/../host/bin/iucode_tool $(MAKE) -C $(PKG_BUILD_DIR)
+endef
+
+define Package/intel-microcode/install
+       $(INSTALL_DIR) $(1)/lib/firmware/intel-ucode
+       $(INSTALL_DATA) $(PKG_BUILD_DIR)/$(MICROCODE).bin $(1)/lib/firmware/intel-ucode
+endef
+
+$(eval $(call BuildPackage,intel-microcode))