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manuals: add missing references to variables

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[YOCTO #14508]
(From yocto-docs rev: 7878a21be8fb6c7a1ab88ae44aa5f7bf0079391a)

Signed-off-by: Michael Opdenacker <michael.opdenacker@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Michael Opdenacker
2022-12-06 19:09:35 +01:00
committed by Richard Purdie
parent f3adc7a899
commit f417d3274c
28 changed files with 187 additions and 190 deletions
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documentation/ref-manual/classes.rst
+9 -9
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@@ -1395,12 +1395,12 @@ generation.
===========================
The :ref:`kernel-fitimage <ref-classes-kernel-fitimage>` class provides support to pack a kernel image,
device trees, a U-boot script, a Initramfs bundle and a RAM disk
device trees, a U-boot script, a :term:`Initramfs` bundle and a RAM disk
into a single FIT image. In theory, a FIT image can support any number
of kernels, U-boot scripts, Initramfs bundles, RAM disks and device-trees.
of kernels, U-boot scripts, :term:`Initramfs` bundles, RAM disks and device-trees.
However, :ref:`kernel-fitimage <ref-classes-kernel-fitimage>` currently only supports
limited usecases: just one kernel image, an optional U-boot script,
an optional Initramfs bundle, an optional RAM disk, and any number of
an optional :term:`Initramfs` bundle, an optional RAM disk, and any number of
device tree.
To create a FIT image, it is required that :term:`KERNEL_CLASSES`
@@ -1431,14 +1431,14 @@ is specified by :term:`UBOOT_RD_LOADADDRESS` and the entrypoint by
:term:`INITRAMFS_IMAGE` is specified and that :term:`INITRAMFS_IMAGE_BUNDLE`
is set to 0.
Only a single Initramfs bundle can be added to the FIT image created by
:ref:`kernel-fitimage <ref-classes-kernel-fitimage>` and the Initramfs bundle in FIT is optional.
In case of Initramfs, the kernel is configured to be bundled with the root filesystem
Only a single :term:`Initramfs` bundle can be added to the FIT image created by
:ref:`kernel-fitimage <ref-classes-kernel-fitimage>` and the :term:`Initramfs` bundle in FIT is optional.
In case of :term:`Initramfs`, the kernel is configured to be bundled with the root filesystem
in the same binary (example: zImage-initramfs-:term:`MACHINE`.bin).
When the kernel is copied to RAM and executed, it unpacks the Initramfs root filesystem.
The Initramfs bundle can be enabled when :term:`INITRAMFS_IMAGE`
When the kernel is copied to RAM and executed, it unpacks the :term:`Initramfs` root filesystem.
The :term:`Initramfs` bundle can be enabled when :term:`INITRAMFS_IMAGE`
is specified and that :term:`INITRAMFS_IMAGE_BUNDLE` is set to 1.
The address where the Initramfs bundle is to be loaded by U-boot is specified
The address where the :term:`Initramfs` bundle is to be loaded by U-boot is specified
by :term:`UBOOT_LOADADDRESS` and the entrypoint by :term:`UBOOT_ENTRYPOINT`.
Only a single U-boot boot script can be added to the FIT image created by