[bootlin/training-materials updates] master: Boot-time lab: use U-Boot 2022.04 (023b7e33)

[Michael Opdenacker]

Repository : https://github.com/bootlin/training-materials
On branch  : master
Link       : https://github.com/bootlin/training-materials/commit/023b7e33757b68e536491ce65695caebc28f0819

>---------------------------------------------------------------

commit 023b7e33757b68e536491ce65695caebc28f0819
Author: Michael Opdenacker <michael.opdenacker at bootlin.com>
Date:   Fri Apr 15 17:29:20 2022 +0200

    Boot-time lab: use U-Boot 2022.04
    
    Signed-off-by: Michael Opdenacker <michael.opdenacker at bootlin.com>


>---------------------------------------------------------------

023b7e33757b68e536491ce65695caebc28f0819
 labs/boot-time-bootloader/boot-time-bootloader.tex       | 10 +++++-----
 .../boot-time-build-bootloader.tex                       |  4 ++--
 labs/boot-time-kernel/boot-time-kernel.tex               |  4 ++--
 .../boot-time-software-measurement.tex                   | 16 ++++++++--------
 4 files changed, 17 insertions(+), 17 deletions(-)

diff --git a/labs/boot-time-bootloader/boot-time-bootloader.tex b/labs/boot-time-bootloader/boot-time-bootloader.tex
index 2d077b84..643f8b57 100644
--- a/labs/boot-time-bootloader/boot-time-bootloader.tex
+++ b/labs/boot-time-bootloader/boot-time-bootloader.tex
@@ -38,9 +38,9 @@ time and fill the below table:
   Step & Duration & Description \\
   \hline
   \hline
-  U-Boot SPL & & Between \code{U-Boot SPL 2021.10} and \code{U-Boot 2021.10} \\
+  U-Boot SPL & & Between \code{U-Boot SPL 2022.04} and \code{U-Boot 2022.04} \\
   \hline
-  U-Boot & & Between \code{U-Boot 2021.10} and \code{Starting kernel} \\
+  U-Boot & & Between \code{U-Boot 2022.04} and \code{Starting kernel} \\
   \hline
   Kernel + Init scripts & & Between \code{Starting kernel} and \code{Starting ffmpeg} \\
   \hline
@@ -77,9 +77,9 @@ latest results:
   Step & Duration & Description \\
   \hline
   \hline
-  U-Boot SPL & & Between \code{U-Boot SPL 2021.10} and \code{U-Boot 2021.10} \\
+  U-Boot SPL & & Between \code{U-Boot SPL 2022.04} and \code{U-Boot 2022.04} \\
   \hline
-  U-Boot & & Between \code{U-Boot 2021.10} and \code{Starting kernel} \\
+  U-Boot & & Between \code{U-Boot 2022.04} and \code{Starting kernel} \\
   \hline
   Kernel + Init scripts & & Between \code{Starting kernel} and \code{Starting ffmpeg} \\
   \hline
@@ -213,7 +213,7 @@ When it works, update your table again:
   Step & Duration & Description \\
   \hline
   \hline
-  U-Boot SPL & & Between \code{U-Boot SPL 2021.10} and \code{Starting kernel} \\
+  U-Boot SPL & & Between \code{U-Boot SPL 2022.04} and \code{Starting kernel} \\
   \hline
   Kernel + Init scripts & & Between \code{Starting kernel} and \code{Starting ffmpeg} \\
   \hline
diff --git a/labs/boot-time-build-bootloader/boot-time-build-bootloader.tex b/labs/boot-time-build-bootloader/boot-time-build-bootloader.tex
index 5e133fe1..fec3d47a 100644
--- a/labs/boot-time-build-bootloader/boot-time-build-bootloader.tex
+++ b/labs/boot-time-build-bootloader/boot-time-build-bootloader.tex
@@ -8,9 +8,9 @@ platform and run it from a micro SD card provided by your instructor.
 
 Go to the \code{~/boot-time-labs/bootloader/u-boot/} directory.
 
-Let's use the 2021.10 version:
+Let's use the 2022.04 version:
 \begin{verbatim}
-git checkout v2021.10
+git checkout v2022.04
 \end{verbatim}
 
 \section{Compiling environment}
diff --git a/labs/boot-time-kernel/boot-time-kernel.tex b/labs/boot-time-kernel/boot-time-kernel.tex
index c73d25ea..e8a50a07 100644
--- a/labs/boot-time-kernel/boot-time-kernel.tex
+++ b/labs/boot-time-kernel/boot-time-kernel.tex
@@ -203,9 +203,9 @@ update the below table:
   Step & Duration & Description \\
   \hline
   \hline
-  U-Boot SPL & & Between \code{U-Boot SPL 2021.10} and \code{U-Boot 2021.10} \\
+  U-Boot SPL & & Between \code{U-Boot SPL 2022.04} and \code{U-Boot 2022.04} \\
   \hline
-  U-Boot & & Between \code{U-Boot 2021.10} and \code{Starting kernel} \\
+  U-Boot & & Between \code{U-Boot 2022.04} and \code{Starting kernel} \\
   \hline
   Kernel + Init scripts & & Between \code{Starting kernel} and \code{Starting ffmpeg} \\
   \hline
diff --git a/labs/boot-time-software-measurement/boot-time-software-measurement.tex b/labs/boot-time-software-measurement/boot-time-software-measurement.tex
index 09b5305d..195d79f4 100644
--- a/labs/boot-time-software-measurement/boot-time-software-measurement.tex
+++ b/labs/boot-time-software-measurement/boot-time-software-measurement.tex
@@ -33,12 +33,12 @@ Now, plug in the power cable and see the console messages with their
 timing information:
 
 \begin{verbatim}
-[0.000000 0.000000]
-[2.596791 2.596791] U-Boot SPL 2021.10 (Oct 25 2021 - 16:02:48 +0100)
-[2.601680 0.004889] Trying to boot from MMC1
-[3.013119 0.411439]
-[3.013584 0.000465]
-[3.013835 0.000251] U-Boot 2021.10 (Oct 25 2021 - 16:02:48 +0100)
+[0.000001 0.000001]
+[0.000838 0.000838] U-Boot SPL 2022.04 (Apr 15 2022 - 16:20:37 +0200)
+[0.004477 0.004477] Trying to boot from MMC1
+[0.602845 0.598369]
+[0.602970 0.000125]
+[0.603040 0.000069] U-Boot 2022.04 (Apr 15 2022 - 16:20:37 +0200)
 ...
 \end{verbatim}
 
@@ -135,9 +135,9 @@ Now, take your calculator and fill the below table with the results from your ex
   Step & Duration & Description \\
   \hline
   \hline
-  U-Boot SPL & & Between \code{U-Boot SPL 2021.10} and \code{U-Boot 2021.10} \\
+  U-Boot SPL & & Between \code{U-Boot SPL 2022.04} and \code{U-Boot 2022.04} \\
   \hline
-  U-Boot & & Between \code{U-Boot 2021.10} and \code{Starting kernel} \\
+  U-Boot & & Between \code{U-Boot 2022.04} and \code{Starting kernel} \\
   \hline
   Kernel & & Between \code{Starting kernel} and \code{Run /sbin/init} \\
   \hline