diff options
Diffstat (limited to 'distribution/yocto-advanced/pres_yocto-advanced.tex')
| -rw-r--r-- | distribution/yocto-advanced/pres_yocto-advanced.tex | 261 |
1 files changed, 164 insertions, 97 deletions
diff --git a/distribution/yocto-advanced/pres_yocto-advanced.tex b/distribution/yocto-advanced/pres_yocto-advanced.tex index ee69d0b..c7598b0 100644 --- a/distribution/yocto-advanced/pres_yocto-advanced.tex +++ b/distribution/yocto-advanced/pres_yocto-advanced.tex @@ -244,7 +244,8 @@ in conf/local.conf \frametitle{set extra image features} we want an image suitable for development, so set \begin{verbatim} -EXTRA_IMAGE_FEATURES = "debug-tweaks tools-debug eclipse-debug tools-profile" +EXTRA_IMAGE_FEATURES = "debug-tweaks tools-debug \ + eclipse-debug tools-profile" \end{verbatim} in conf/local.conf \end{frame} @@ -267,41 +268,11 @@ Currently 4 running tasks (26 of 4459): \end{frame} \begin{frame}[fragile] -\frametitle{first errors and warnings} -\begin{verbatim} -recommended that you use a tested distribution. -ERROR: OE-core's config sanity checker detected a potential misconfiguration. -Either fix the cause of this error or at your own risk disable the checker -see sanity.conf). -Following is the list of potential problems / advisories: - -libsdl-native is set to be ASSUME_PROVIDED but sdl-config can't be -found in PATH. Please either install it, or configure qemu not to -require sdl. -ERROR: Execution of event handler 'check_sanity_eventhandler' failed -ERROR: Command execution failed: Exited with 1 -\end{verbatim} -\end{frame} - -\begin{frame}[fragile] -\frametitle{disable sdl support in qemu} -edit conf/local.conf: -\begin{verbatim} -# PACKAGECONFIG_pn-qemu-native = "sdl" -# PACKAGECONFIG_pn-nativesdk-qemu = "sdl" -# ASSUME_PROVIDED += "libsdl-native" -\end{verbatim} -run 'bitbake qt4e-demo-image' again - -\dots coffee break! -\end{frame} - -\begin{frame}[fragile] \frametitle{build a ti demo image} \dots back from coffee break \begin{verbatim} -ERROR: No new tasks can be executed since the disk space monitor action is -"STOPTASKS"! +ERROR: No new tasks can be executed since + the disk space monitor action is "STOPTASKS"! \end{verbatim} what happened?? \begin{verbatim} @@ -325,16 +296,21 @@ A different behaviour can be configured in 'conf/local.conf'. \begin{frame}[fragile] \frametitle{example of an issue with a sabrelite board} \begin{verbatim} -ERROR: To use 'gpu-viv-bin-mx6q' you need to accept the Freescale EULA -at '/home/local/src/poky/meta-ti-arm/EULA'. Please read it and in case -you accept it, write: ACCEPT_FSL_EULA = "1" in your local.conf. +ERROR: To use 'gpu-viv-bin-mx6q' + you need to accept the Freescale EULA + at '/home/local/src/poky/meta-ti-arm/EULA'. + Please read it and in case you accept it, write: + ACCEPT_FSL_EULA = "1" in your local.conf. ERROR: Function failed: do_unpack -ERROR: Logfile of failure stored in: /home/local/src/poky/build-ti/tmp -/work/cortexa9hf-vfp-neon-mx6-poky-linux-gnueabi/gpu-viv-bin-mx6q/1_3.1 -0.17-1.0.0-hfp-r0/temp/log.do_unpack.6795 -ERROR: Task 1105 (/home/local/src/poky/meta-ti-arm/recipes-graphics/gp -u-viv-bin-mx6q/gpu-viv-bin-mx6q_3.10.17-1.0.0-hfp.bb, do_unpack) failed -with exit code '1' +ERROR: Logfile of failure stored in: + /home/local/src/poky/build-ti/tmp/work/ + cortexa9hf-vfp-neon-mx6-poky-linux-gnueabi/ + gpu-viv-bin-mx6q/1_3.10.17-1.0.0-hfp-r0/temp/ + log.do_unpack.6795 +ERROR: Task 1105 (/home/local/src/poky/meta-ti-arm/ + recipes-graphics/gpu-viv-bin-mx6q/ + gpu-viv-bin-mx6q_3.10.17-1.0.0-hfp.bb, do_unpack) failed + with exit code '1' \end{verbatim} to solve this issue: \begin{verbatim} @@ -352,14 +328,25 @@ again. if the build is completed the image can be transfered to a sdcard: \begin{verbatim} poky/build-ti % sudo fdisk /dev/mmcblk0 -# create a bootable primary partition with about 100 MB and Windows vFat format -# and a secondary partition with Linux Ext format +# create a +# * bootable +# * primary partition with +# * about 100 MB and +# * Windows vFat format +# and another primary partition with Linux Ext format +\end{verbatim} +\end{frame} + +\begin{frame}[fragile] +\frametitle{flashing the image \#2} +\begin{verbatim} poky/build-ti % sudo mkfs.vfat -F 16 -n boot /dev/mmcblk0p1 poky/build-ti % sudo mke2fs -j -L "root" /dev/mmcblk0p2 poky/build-ti % sudo mount /dev/mmcblk0p1 /mnt poky/build-ti % sudo cp -a tmp/deploy/images/beaglebone/MLO-beaglebone \ /mnt/MLO -poky/build-ti % sudo cp -a tmp/deploy/images/beaglebone/u-boot-beaglebone.img \ +poky/build-ti % sudo cp -a \ + tmp/deploy/images/beaglebone/u-boot-beaglebone.img \ /mnt/u-boot.img poky/build-ti % sudo umount /mnt poky/build-ti % sudo mount /dev/mmcblk0p2 /mnt @@ -375,12 +362,12 @@ poky/build-ti % sudo umount /mnt \begin{verbatim} poky/build-ti % cd .. poky % yocto-layer create mini -Please enter the layer priority you'd like to use for the layer: [default: 6] -<return> -Would you like to have an example recipe created? (y/n) [default: n] -<return> -Would you like to have an example bbappend file created? (y/n) [default: n] -<return> +Please enter the layer priority you'd like to use for the layer: +[default: 6] <return> +Would you like to have an example recipe created? (y/n) +[default: n] <return> +Would you like to have an example bbappend file created? (y/n) +[default: n] <return> \end{verbatim} \end{frame} @@ -493,7 +480,8 @@ e.g. 'meta/recipes-core/packagegroups/packagegroup-base.bb': \begin{verbatim} PACKAGES = ' \ .. - ${@base_contains("DISTRO_FEATURES", "opengl", "packagegroup-opengl", "", d)} \ + ${@base_contains("DISTRO_FEATURES", \ + "opengl", "packagegroup-opengl", "", d)} \ .. ' \end{verbatim} @@ -573,6 +561,33 @@ poky/build-ti % bitbake mini-image \end{verbatim} \end{frame} +\begin{frame}[fragile] +\frametitle{first errors and warnings} +\begin{verbatim} +recommended that you use a tested distribution. +ERROR: OE-core's config sanity checker detected a potential + misconfiguration. Either fix the cause of this error or + at your own risk disable the checker see sanity.conf). +Following is the list of potential problems / advisories: + +libsdl-native is set to be ASSUME_PROVIDED but sdl-config can't be +found in PATH. Please either install it, or configure qemu not to +require sdl. +ERROR: Execution of event handler 'check_sanity_eventhandler' failed +ERROR: Command execution failed: Exited with 1 +\end{verbatim} +\end{frame} +\begin{frame}[fragile] + + \frametitle{disable sdl support in qemu} +edit conf/local.conf: +\begin{verbatim} +# PACKAGECONFIG_pn-qemu-native = "sdl" +# PACKAGECONFIG_pn-nativesdk-qemu = "sdl" +# ASSUME_PROVIDED += "libsdl-native" +\end{verbatim} +\end{frame} + \subsection{Machines} \begin{frame}[fragile] \frametitle{create a beaglebone-black machine config} @@ -611,18 +626,25 @@ KERNEL_IMAGETYPE = "uImage" inherit kernel require recipes-kernel/linux/linux-dtb.inc require recipes-kernel/linux/setup-defconfig.inc +\end{verbatim} +\end{frame} +\begin{frame}[fragile] +\frametitle{adding a kernel \#2} +\begin{verbatim} COMPATILBE_MACHINE_beaglebone-black = "beaglebone-black" -KERNEL_DEVICETREE_beaglebone-black = "arch/arm/boot/dts/am335x-boneblack.dts" +KERNEL_DEVICETREE_beaglebone-black = \ +"arch/arm/boot/dts/am335x-boneblack.dts" S = "${WORKDIR}/linux-${PV}" SRC_URI = " \ https://www.kernel.org/pub/linux/kernel/v3.x/linux-${PV}.tar.xz \ file://defconfig \ +" -SRC_URI[md5sum] = "e7a985a243b7941b6bc6240fcbc797fc" -SRC_URI[sha256sum] = "be37dda8ea090525661d64e5c7fc8580f313b7f9ba8592e32120f1332bc57d71" +SRC_URI[md5sum] = "???" +SRC_URI[sha256sum] = "???" KERNEL_EXTRA_ARGS += "LOADADDR=${UBOOT_ENTRYPOINT}" @@ -698,56 +720,101 @@ BOOTDD_VOLUME_ID ?= "Boot ${MACHINE}" BOOT_SPACE ?= "8192" # Set alignment to 4MB [in KiB] IMAGE_ROOTFS_ALIGNMENT = "4096" +\end{verbatim} +\end{frame} +\begin{frame}[fragile] +\frametitle{sdcard generation \#2} +\begin{verbatim} IMAGE_DEPENDS_sdcard = "parted-native:do_populate_sysroot \ - dosfstools-native:do_populate_sysroot \ - mtools-native:do_populate_sysroot \ - virtual/kernel:do_deploy \ - ${@d.getVar('IMAGE_BOOTLOADER', True) and d.getVar('IMAGE_BOOTLOADER', True) + ':do_deploy' or ''}" + dosfstools-native:do_populate_sysroot \ + mtools-native:do_populate_sysroot \ + virtual/kernel:do_deploy \ + ${@d.getVar('IMAGE_BOOTLOADER', True) and \ + 'd.getVar('IMAGE_BOOTLOADER', True) + ':do_deploy' or ''}" SDCARD = "${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.sdcard" - SDCARD_GENERATION_COMMAND_ti33x = "generate_ti_sdcard" +\end{verbatim} +\end{frame} +\begin{frame}[fragile] +\frametitle{sdcard generation \#3} +\begin{verbatim} generate_ti_sdcard () { - parted -s ${SDCARD} mklabel msdos - parted -s ${SDCARD} unit KiB mkpart primary fat32 ${IMAGE_ROOTFS_ALIGNMENT} $(expr ${IMAGE_ROOTFS_ALIGNMENT} \+ ${BOOT_SPACE_ALIGNED}) - parted -s ${SDCARD} unit KiB mkpart primary $(expr ${IMAGE_ROOTFS_ALIGNMENT} \+ ${BOOT_SPACE_ALIGNED}) $(expr ${IMAGE_ROOTFS_ALIGNMENT} \+ ${BOOT_SPACE_ALIGNED} \+ $ROOTFS_SIZE) - parted -s ${SDCARD} set 1 boot on - parted ${SDCARD} print - - BOOT_BLOCKS=$(LC_ALL=C parted -s ${SDCARD} unit b print \ - | awk '/ 1 / { print substr($4, 1, length($4 -1)) / 1024 }') - mkfs.vfat -n "${BOOTDD_VOLUME_ID}" -S 512 -C ${WORKDIR}/boot.img $BOOT_BLOCKS - - # copy files to /boot - mcopy -i ${WORKDIR}/boot.img -s ${DEPLOY_DIR_IMAGE}/MLO-${MACHINE} ::/MLO - mcopy -i ${WORKDIR}/boot.img -s ${DEPLOY_DIR_IMAGE}/u-boot-${MACHINE}.img ::/u-boot.img - mmd -i ${WORKDIR}/boot.img ::/boot - mcopy -i ${WORKDIR}/boot.img -s ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGETYPE}-${MACHINE}.bin ::/boot/${KERNEL_IMAGETYPE} - mcopy -i ${WORKDIR}/boot.img -s ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGETYPE}-am335x-boneblack.dtb ::/boot/am335x-boneblack.dtb - mcopy -i ${WORKDIR}/boot.img -s ${DEPLOY_DIR_IMAGE}/uEnv.txt ::/uEnv.txt - - # Burn Partition - dd if=${WORKDIR}/boot.img of=${SDCARD} conv=notrunc seek=1 bs=$(expr ${IMAGE_ROOTFS_ALIGNMENT} \* 1024) && sync && sync - dd if=${SDCARD_ROOTFS} of=${SDCARD} conv=notrunc seek=1 bs=$(expr ${BOOT_SPACE_ALIGNED} \* 1024 + ${IMAGE_ROOTFS_ALIGNMENT} \* 1024) && sync && sync + parted -s ${SDCARD} mklabel msdos + + parted -s ${SDCARD} unit KiB mkpart primary fat32 \ + ${IMAGE_ROOTFS_ALIGNMENT} $(expr ${IMAGE_ROOTFS_ALIGNMENT} \+ \ + ${BOOT_SPACE_ALIGNED}) + + parted -s ${SDCARD} unit KiB mkpart primary \ + $(expr ${IMAGE_ROOTFS_ALIGNMENT} \+ ${BOOT_SPACE_ALIGNED}) \ + $(expr ${IMAGE_ROOTFS_ALIGNMENT} \+ ${BOOT_SPACE_ALIGNED} \+ \ + $ROOTFS_SIZE) + + parted -s ${SDCARD} set 1 boot on + parted ${SDCARD} print + + BOOT_BLOCKS=$(LC_ALL=C parted -s ${SDCARD} unit b print \ + | awk '/ 1 / { print substr($4, 1, length($4 -1)) / 1024 }') + + mkfs.vfat -n "${BOOTDD_VOLUME_ID}" -S 512 -C \ + ${WORKDIR}/boot.img $BOOT_BLOCKS +\end{verbatim} +\end{frame} + +\begin{frame}[fragile] +\frametitle{sdcard generation \#4} +\begin{verbatim} + # copy files to /boot + mcopy -i ${WORKDIR}/boot.img -s \ + ${DEPLOY_DIR_IMAGE}/MLO-${MACHINE} ::/MLO + mcopy -i ${WORKDIR}/boot.img -s \ + ${DEPLOY_DIR_IMAGE}/u-boot-${MACHINE}.img ::/u-boot.img + mmd -i ${WORKDIR}/boot.img ::/boot + mcopy -i ${WORKDIR}/boot.img -s \ + ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGETYPE}-${MACHINE}.bin \ + ::/boot/${KERNEL_IMAGETYPE} + mcopy -i ${WORKDIR}/boot.img -s \ + ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGETYPE}-am335x-boneblack.dtb \ + ::/boot/am335x-boneblack.dtb + mcopy -i ${WORKDIR}/boot.img -s ${DEPLOY_DIR_IMAGE}/uEnv.txt \ + ::/uEnv.txt + + # Burn Partition + dd if=${WORKDIR}/boot.img of=${SDCARD} conv=notrunc seek=1 \ + bs=$(expr ${IMAGE_ROOTFS_ALIGNMENT} \* 1024) + sync + dd if=${SDCARD_ROOTFS} of=${SDCARD} conv=notrunc seek=1 \ + bs=$(expr ${BOOT_SPACE_ALIGNED} \* 1024 + \ + ${IMAGE_ROOTFS_ALIGNMENT} \* 1024) + sync } +\end{verbatim} +\end{frame} +\begin{frame}[fragile] +\frametitle{sdcard generation \#5} +\begin{verbatim} IMAGE_CMD_sdcard () { - if [ -z "${SDCARD_ROOTFS}" ]; then - bberror "SDCARD_ROOTFS is undefined. To use sdcard image from Freescale's BSP it needs to be defined." - exit 1 - fi - - # Align boot partition and calculate total SD card image size - BOOT_SPACE_ALIGNED=$(expr ${BOOT_SPACE} + ${IMAGE_ROOTFS_ALIGNMENT} - 1) - BOOT_SPACE_ALIGNED=$(expr ${BOOT_SPACE_ALIGNED} - ${BOOT_SPACE_ALIGNED} % ${IMAGE_ROOTFS_ALIGNMENT}) - SDCARD_SIZE=$(expr ${IMAGE_ROOTFS_ALIGNMENT} + ${BOOT_SPACE_ALIGNED} + $ROOTFS_SIZE + ${IMAGE_ROOTFS_ALIGNMENT}) - - # Initialize a sparse file - dd if=/dev/zero of=${SDCARD} bs=1 count=0 seek=$(expr 1024 \* ${SDCARD_SIZE}) - - ${SDCARD_GENERATION_COMMAND} + if [ -z "${SDCARD_ROOTFS}" ]; then + bberror "SDCARD_ROOTFS is undefined." + exit 1 + fi + + # Align boot partition and calculate total SD card image size + BOOT_SPACE_ALIGNED=$(expr ${BOOT_SPACE} + ${IMAGE_ROOTFS_ALIGNMENT} - 1) + BOOT_SPACE_ALIGNED=$(expr ${BOOT_SPACE_ALIGNED} - \ + ${BOOT_SPACE_ALIGNED} % ${IMAGE_ROOTFS_ALIGNMENT}) + SDCARD_SIZE=$(expr ${IMAGE_ROOTFS_ALIGNMENT} + \ + ${BOOT_SPACE_ALIGNED} + $ROOTFS_SIZE + ${IMAGE_ROOTFS_ALIGNMENT}) + + # Initialize a sparse file + dd if=/dev/zero of=${SDCARD} bs=1 count=0 \ + seek=$(expr 1024 \* ${SDCARD_SIZE}) + + ${SDCARD_GENERATION_COMMAND} } # The sdcard requires the rootfs filesystem to be built before using @@ -796,8 +863,8 @@ this is the content of hello.bb DESCRIPTION = "Simple helloworld application" SECTION = "examples" LICENSE = "MIT" -LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda -2f7b4f302" +LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT; \ + md5=0835ade698e0bcf8506ecda2f7b4f302" PR = "r0" SRC_URI = "file://hello.c" S = "${WORKDIR}" |