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Diffstat (limited to 'poky/documentation/kernel-dev/common.rst')
| -rw-r--r-- | poky/documentation/kernel-dev/common.rst | 45 |
1 files changed, 18 insertions, 27 deletions
diff --git a/poky/documentation/kernel-dev/common.rst b/poky/documentation/kernel-dev/common.rst index 0a1819ceae..690f61110b 100644 --- a/poky/documentation/kernel-dev/common.rst +++ b/poky/documentation/kernel-dev/common.rst @@ -66,19 +66,15 @@ section: (i.e. ``poky``) have been cloned using Git and the local repository is named "poky". -2. *Prepare Your local.conf File:* By default, the - :term:`MACHINE` variable is set to - "qemux86-64", which is fine if you are building for the QEMU emulator - in 64-bit mode. However, if you are not, you need to set the +2. *Prepare Your local.conf File:* By default, the :term:`MACHINE` variable + is set to "qemux86-64", which is fine if you are building for the QEMU + emulator in 64-bit mode. However, if you are not, you need to set the :term:`MACHINE` variable appropriately in your ``conf/local.conf`` file - found in the - :term:`Build Directory` (i.e. - ``poky/build`` in this example). + found in the :term:`Build Directory` (i.e. ``poky/build`` in this example). Also, since you are preparing to work on the kernel image, you need - to set the - :term:`MACHINE_ESSENTIAL_EXTRA_RRECOMMENDS` - variable to include kernel modules. + to set the :term:`MACHINE_ESSENTIAL_EXTRA_RRECOMMENDS` variable to include + kernel modules. In this example we wish to build for qemux86 so we must set the :term:`MACHINE` variable to "qemux86" and also add the "kernel-modules". @@ -186,14 +182,11 @@ section: (i.e. ``poky``) have been cloned using Git and the local repository is named "poky". -2. *Prepare Your local.conf File:* By default, the - :term:`MACHINE` variable is set to - "qemux86-64", which is fine if you are building for the QEMU emulator - in 64-bit mode. However, if you are not, you need to set the - :term:`MACHINE` variable appropriately in your ``conf/local.conf`` file - found in the - :term:`Build Directory` (i.e. - ``poky/build`` in this example). +2. *Prepare Your local.conf File:* By default, the :term:`MACHINE` variable is + set to "qemux86-64", which is fine if you are building for the QEMU emulator + in 64-bit mode. However, if you are not, you need to set the :term:`MACHINE` + variable appropriately in your ``conf/local.conf`` file found in the + :term:`Build Directory` (i.e. ``poky/build`` in this example). Also, since you are preparing to work on the kernel image, you need to set the @@ -836,8 +829,7 @@ the ":ref:`kernel-dev/common:getting ready to develop using \`\`devtool\`\``" Se 8. *Build the Image With Your Modified Kernel:* You can now build an image that includes your kernel patches. Execute the following - command from your - :term:`Build Directory` in the terminal + command from your :term:`Build Directory` in the terminal set up to run BitBake:: $ cd poky/build @@ -1057,9 +1049,8 @@ To use the ``menuconfig`` tool in the Yocto Project development environment, you must do the following: - Because you launch ``menuconfig`` using BitBake, you must be sure to - set up your environment by running the - :ref:`structure-core-script` script found in - the :term:`Build Directory`. + set up your environment by running the :ref:`structure-core-script` script + found in the :term:`Build Directory`. - You must be sure of the state of your build's configuration in the :term:`Source Directory`. @@ -1111,10 +1102,10 @@ can find the option under "Processor Type and Features". To deselect Multi-Processing Support" and enter "N" to clear the asterisk. When you are finished, exit out and save the change. -Saving the selections updates the ``.config`` configuration file. This -is the file that the OpenEmbedded build system uses to configure the -kernel during the build. You can find and examine this file in the Build -Directory in ``tmp/work/``. The actual ``.config`` is located in the +Saving the selections updates the ``.config`` configuration file. This is the +file that the OpenEmbedded build system uses to configure the kernel during +the build. You can find and examine this file in the :term:`Build Directory` +in ``tmp/work/``. The actual ``.config`` is located in the area where the specific kernel is built. For example, if you were building a Linux Yocto kernel based on the ``linux-yocto-4.12`` kernel and you were building a QEMU image targeted for ``x86`` architecture, |