[bootlin/training-materials updates] master: slides/sysdev-bootloaders-u-boot: explain why FIT images are useful (50f0867f)
Michael Opdenacker
michael.opdenacker at bootlin.com
Tue Mar 28 18:36:43 CEST 2023
Repository : https://github.com/bootlin/training-materials
On branch : master
Link : https://github.com/bootlin/training-materials/commit/50f0867f24b285aa4e32ee87a64617770e14cbf1
>---------------------------------------------------------------
commit 50f0867f24b285aa4e32ee87a64617770e14cbf1
Author: Michael Opdenacker <michael.opdenacker at bootlin.com>
Date: Tue Mar 28 18:36:43 2023 +0200
slides/sysdev-bootloaders-u-boot: explain why FIT images are useful
Signed-off-by: Michael Opdenacker <michael.opdenacker at bootlin.com>
>---------------------------------------------------------------
50f0867f24b285aa4e32ee87a64617770e14cbf1
slides/sysdev-bootloaders-u-boot/sysdev-bootloaders-u-boot.tex | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/slides/sysdev-bootloaders-u-boot/sysdev-bootloaders-u-boot.tex b/slides/sysdev-bootloaders-u-boot/sysdev-bootloaders-u-boot.tex
index 25d39d20..46dc638b 100644
--- a/slides/sysdev-bootloaders-u-boot/sysdev-bootloaders-u-boot.tex
+++ b/slides/sysdev-bootloaders-u-boot/sysdev-bootloaders-u-boot.tex
@@ -836,6 +836,8 @@ Kernel image @ 0xc2000000 [ 0x000000 - 0x7306c8 ]
\item Multiple initramfs
\item Any other image: FPGA bitstream, etc.
\end{itemize}
+ \item Typically useful for secure booting and to ensure binaries
+ don't overlap in memory.
\item Interestingly, relies on the {\em Device Tree Compiler}
\begin{itemize}
\item \code{.its} file describe the contents of the image
@@ -844,7 +846,6 @@ Kernel image @ 0xc2000000 [ 0x000000 - 0x7306c8 ]
\item U-Boot can load an \code{.itb} image and use its different
elements
\item \url{https://www.thegoodpenguin.co.uk/blog/u-boot-fit-image-overview/}
- \item \url{https://source.denx.de/u-boot/u-boot/-/tree/master/doc/uImage.FIT}
\end{itemize}
\end{frame}
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