> -----Original Message----- > From: Zanussi, Tom > Sent: Tuesday, September 02, 2014 8:43 AM > To: Kamble, Nitin A > Cc: Hart, Darren; Burton, Ross; [email protected] > Subject: Re: [Patch v5 3/5] intel-microcode: a recipe for Intel microcode > datafile > > On Fri, 2014-08-29 at 10:22 -0700, [email protected] wrote: > > From: Nitin A Kamble <[email protected]> > > > > This recipe provides the microcode datafile for Intel Processors. > > > > The recipe provides: > > 1. microcode.dat file for microcode updating from user space with the > > iucode-tool utility. > > 2. the microcode cpio file which gets bundled with the initrd to support > > microcode loading at early boot time. > > > > [ YOCTO #5114 ] > > > > The last entry in this bug says that the microcode recipe can go away, so why > is this needed? >
The plan is to get the microcode delivered through the linux-firmware repository. But it is taking time for that to happen. So until that happens we use the intel-microcode recipe. And once the Intel microcode is available through the linux-firmware repository, then the intel-microcode recipe will be replaced by extensions to the linux-firmware recipe. Nitin > Tom > > > Signed-off-by: Ross Burton <[email protected]> > > Signed-off-by: Nitin A Kamble <[email protected]> > > --- > > common/custom-licenses/Intel-Microcode-License | 123 > +++++++++++++++++++++ > > .../microcode/intel-microcode_20140624.bb | 52 +++++++++ > > 2 files changed, 175 insertions(+) > > create mode 100644 common/custom-licenses/Intel-Microcode-License > > create mode 100644 > > common/recipes-core/microcode/intel-microcode_20140624.bb > > > > diff --git a/common/custom-licenses/Intel-Microcode-License > > b/common/custom-licenses/Intel-Microcode-License > > new file mode 100644 > > index 0000000..af5b41c > > --- /dev/null > > +++ b/common/custom-licenses/Intel-Microcode-License > > @@ -0,0 +1,123 @@ > > +INTEL SOFTWARE LICENSE AGREEMENT > > + > > +IMPORTANT - READ BEFORE COPYING, INSTALLING OR USING. > > +Do not use or load this software and any associated materials > > +(collectively, the "Software") until you have carefully read the > > +following terms and conditions. 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Contractor or Manufacturer is Intel > > +2200 Mission College Blvd., Santa Clara, CA 95052. > > diff --git a/common/recipes-core/microcode/intel-microcode_20140624.bb > > b/common/recipes-core/microcode/intel-microcode_20140624.bb > > new file mode 100644 > > index 0000000..b01d8a5 > > --- /dev/null > > +++ b/common/recipes-core/microcode/intel-microcode_20140624.bb > > @@ -0,0 +1,52 @@ > > +SUMMARY = "Intel Processor Microcode Datafile for Linux" > > +HOMEPAGE = "http://www.intel.com/"; > > +DESCRIPTION = "The microcode data file contains the latest microcode\ > > +definitions for all Intel processors. Intel releases microcode > > +updates\ to correct processor behavior as documented in the > > +respective processor\ specification updates. While the regular > > +approach to getting this microcode\ update is via a BIOS upgrade, > > +Intel realizes that this can be an\ administrative hassle. The Linux > > +operating system and VMware ESX\ products have a mechanism to > update > > +the microcode after booting.\ For example, this file will be used by > > +the operating system mechanism\ if the file is placed in the > /etc/firmware directory of the Linux system." > > + > > +LICENSE = "Intel-Microcode-License" > > +LIC_FILES_CHKSUM = > "file://microcode.dat;md5=3c3b208607a00a3d70aad3af5629f7c7" > > + > > +SRC_URI = "http://downloadmirror.intel.com/23984/eng/microcode- > 20140624.tgz" > > +SRC_URI[md5sum] = "eec20032e6bef99dc4282c0ca317e100" > > +SRC_URI[sha256sum] = > "b4662ac780438a7b2d87e6d26a7066feb807f37c6e5b6fa147089f4edb02ea37" > > + > > +DEPENDS = "iucode-tool-native" > > +S = "${WORKDIR}" > > + > > +inherit allarch > > +inherit deploy > > + > > +do_compile() { > > + mkdir -p ${WORKDIR}/ucode/kernel/x86/microcode > > + ${STAGING_DIR_NATIVE}${sbindir_native}/iucode_tool --overwrite > > +--write-to=${WORKDIR}/microcode_${PV}.bin > ${WORKDIR}/microcode.dat > > + > > + ${STAGING_DIR_NATIVE}${sbindir_native}/iucode_tool --overwrite > > +--write-earlyfw=${WORKDIR}/microcode_${PV}.cpio > > +${WORKDIR}/microcode.dat } > > + > > +do_install() { > > + install -d ${D}${base_libdir}/firmware/intel-ucode/ > > + install ${WORKDIR}/microcode_${PV}.bin > ${D}${base_libdir}/firmware/intel-ucode/ > > + cd ${D}${base_libdir}/firmware/intel-ucode/ > > + ln -sf microcode_${PV}.bin microcode.bin } > > + > > +do_deploy() { > > + install -d ${DEPLOYDIR} > > + install ${S}/microcode_${PV}.cpio ${DEPLOYDIR}/ > > + cd ${DEPLOYDIR} > > + rm -f microcode.cpio > > + ln -sf microcode_${PV}.cpio microcode.cpio } > > + > > +addtask deploy before do_build after do_compile > > + > > +PACKAGES = "${PN}" > > + > > +FILES_${PN} = "${base_libdir}" > -- _______________________________________________ meta-intel mailing list [email protected] https://lists.yoctoproject.org/listinfo/meta-intel
