[OpenWrt-Devel] [PATCH v4 6/6] intel-microcode: create early load microcode image

[Tomasz Maciej Nowak]

Create initrd image with packed microcode. This'll allow to load it at
early boot stage.

Signed-off-by: Tomasz Maciej Nowak <tomek_n at o2.pl>
---
 package/firmware/intel-microcode/Makefile | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/package/firmware/intel-microcode/Makefile b/package/firmware/intel-microcode/Makefile
index 07db9b1f96..4bd47b087a 100644
--- a/package/firmware/intel-microcode/Makefile
+++ b/package/firmware/intel-microcode/Makefile
@@ -35,15 +35,17 @@ define Package/intel-microcode
 endef
 
 define Build/Compile
-	IUCODE_TOOL=$(STAGING_DIR)/../host/bin/iucode_tool $(MAKE) -C $(PKG_BUILD_DIR)
-	mkdir $(PKG_BUILD_DIR)/intel-ucode-ipkg
-	$(STAGING_DIR)/../host/bin/iucode_tool -q \
-		--write-firmware=$(PKG_BUILD_DIR)/intel-ucode-ipkg $(PKG_BUILD_DIR)/$(MICROCODE).bin
+	IUCODE_TOOL=$(STAGING_DIR)/../host/bin/iucode_tool \
+		$(MAKE) -C $(PKG_BUILD_DIR)
+	$(STAGING_DIR)/../host/bin/iucode_tool -q --mini-earlyfw \
+		--write-earlyfw=$(PKG_BUILD_DIR)/intel-ucode.cpio \
+		$(PKG_BUILD_DIR)/$(MICROCODE).bin
 endef
 
 define Package/intel-microcode/install
-	$(INSTALL_DIR) $(1)/lib/firmware/intel-ucode
-	$(INSTALL_DATA) $(PKG_BUILD_DIR)/intel-ucode-ipkg/* $(1)/lib/firmware/intel-ucode
+	$(INSTALL_DIR) $(1)/boot
+	$(INSTALL_DATA) $(PKG_BUILD_DIR)/intel-ucode.cpio \
+		$(1)/boot/intel-ucode.img
 endef
 
 $(eval $(call BuildPackage,intel-microcode))
-- 
2.19.1


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