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amd64-microcode: create early load microcode image

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

Signed-off-by: Tomasz Maciej Nowak <tomek_n@o2.pl>
This commit is contained in:
Tomasz Maciej Nowak 2018-10-31 18:48:38 +01:00 committed by John Crispin
parent a822283c7e
commit 975019b3a7
1 changed files with 8 additions and 2 deletions
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10
package/firmware/amd64-microcode/Makefile
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@ -35,11 +35,17 @@ define Build/Prepare
endef
define Build/Compile
mkdir -p $(PKG_BUILD_DIR)/kernel/x86/microcode/
cat $(PKG_BUILD_DIR)/microcode_amd*.bin \
> $(PKG_BUILD_DIR)/kernel/x86/microcode/AuthenticAMD.bin
(cd $(PKG_BUILD_DIR); \
echo "kernel/x86/microcode/AuthenticAMD.bin" \
| cpio -o -H newc --reproducible > amd-ucode.cpio)
endef
define Package/amd64-microcode/install
$(INSTALL_DIR) $(1)/lib/firmware/amd-ucode
$(INSTALL_DATA) $(PKG_BUILD_DIR)/*.bin $(1)/lib/firmware/amd-ucode
$(INSTALL_DIR) $(1)/boot
$(INSTALL_DATA) $(PKG_BUILD_DIR)/amd-ucode.cpio $(1)/boot/amd-ucode.img
endef
$(eval $(call BuildPackage,amd64-microcode))