Robert Yang b608cf6120 image.bbclass: deltask do_packagedata
This can fix a do_package error when compile with meta-secure-core layer:
http://layers.openembedded.org/layerindex/branch/master/layer/meta-secure-core/

$ bitbake kernel-initramfs
[snip]
WARNING:kernel-initramfs-1.0-r0 do_package: Manifest
build/tmp-glibc/sstate-control/manifest-x86_64_x86_64-nativesdk-secure-core-image-initramfs.packagedata
not found in intel_x86_64 corei7-64 core2-64 x86_64 allarch x86_64_x86_64-nativesdk (variant '')?
[snip]

This is because kernel-initramfs wants to pack an initramfs image into
kernel-initramfs.rpm which adds a dependency in kernel-initramfs.bb to do this:

d.appendVarFlag('do_install', 'depends', ' ${INITRAMFS_IMAGE}:do_image_complete')

This causes kernel-initramfs' do_package depends on
${INITRAMFS_IMAGE}:do_image_complete's do_packagedata, then we will get the
error. Delete do_packagedata as other do_package relelated tasks for the image
recipe will fix the error.

RP: There is a side effect from this change which means that image
tasks will no longer run their fetch/unpack/configure/compile/install
tasks as these become detached from the dependency chain. The standard
tasks are noexec or deleted anyway already so this shouldn't be a
significant change.

(From OE-Core rev: 0eb95212a7e6b6bdc1243094072dea432cb48f0f)

Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2021-03-15 14:49:09 +00:00
2021-03-11 14:05:22 +00:00

QEMU Emulation Targets
======================

To simplify development, the build system supports building images to
work with the QEMU emulator in system emulation mode. Several architectures
are currently supported in 32 and 64 bit variants:

  * ARM (qemuarm + qemuarm64)
  * x86 (qemux86 + qemux86-64)
  * PowerPC (qemuppc only)
  * MIPS (qemumips + qemumips64)

Use of the QEMU images is covered in the Yocto Project Reference Manual.
The appropriate MACHINE variable value corresponding to the target is given
in brackets.
Description
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Readme 251 MiB