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Boot time labs: upgrade U-Boot version
Signed-off-by: Michael Opdenacker <michael.opdenacker@bootlin.com>
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michaelopdenacker committed Apr 7, 2021
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10 changes: 5 additions & 5 deletions labs/boot-time-bootloader/boot-time-bootloader.tex
Expand Up @@ -38,9 +38,9 @@ \section{Recompiling the bootloader}
Step & Duration & Description \\
\hline
\hline
U-Boot SPL & & Between \code{U-Boot SPL 2021.01} and \code{U-Boot 2021.01} \\
U-Boot SPL & & Between \code{U-Boot SPL 2021.04} and \code{U-Boot 2021.04} \\
\hline
U-Boot & & Between \code{U-Boot 2021.01} and \code{Starting kernel} \\
U-Boot & & Between \code{U-Boot 2021.04} and \code{Starting kernel} \\
\hline
Kernel + Init scripts & & Between \code{Starting kernel} and \code{Starting ffmpeg} \\
\hline
Expand Down Expand Up @@ -77,9 +77,9 @@ \section{Using faster storage}
Step & Duration & Description \\
\hline
\hline
U-Boot SPL & & Between \code{U-Boot SPL 2021.01} and \code{U-Boot 2021.01} \\
U-Boot SPL & & Between \code{U-Boot SPL 2021.04} and \code{U-Boot 2021.04} \\
\hline
U-Boot & & Between \code{U-Boot 2021.01} and \code{Starting kernel} \\
U-Boot & & Between \code{U-Boot 2021.04} and \code{Starting kernel} \\
\hline
Kernel + Init scripts & & Between \code{Starting kernel} and \code{Starting ffmpeg} \\
\hline
Expand Down Expand Up @@ -194,7 +194,7 @@ \section{Using U-Boot's {\em Falcon} mode}
Step & Duration & Description \\
\hline
\hline
U-Boot SPL & & Between \code{U-Boot SPL 2021.01} and \code{Starting kernel} \\
U-Boot SPL & & Between \code{U-Boot SPL 2021.04} and \code{Starting kernel} \\
\hline
Kernel + Init scripts & & Between \code{Starting kernel} and \code{Starting ffmpeg} \\
\hline
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Expand Up @@ -8,9 +8,9 @@ \section{Setup}

Go to the \code{~/boot-time-labs/bootloader/u-boot/} directory.

Let's use the 2021.01 version:
Let's use the 2021.04 version:
\begin{verbatim}
git checkout v2021.01
git checkout v2021.04
\end{verbatim}

\section{Compiling environment}
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4 changes: 2 additions & 2 deletions labs/boot-time-kernel/boot-time-kernel.tex
Expand Up @@ -192,9 +192,9 @@ \section{Optimizing required functionality}
Step & Duration & Description \\
\hline
\hline
U-Boot SPL & & Between \code{U-Boot SPL 2021.01} and \code{U-Boot 2021.01} \\
U-Boot SPL & & Between \code{U-Boot SPL 2021.04} and \code{U-Boot 2021.04} \\
\hline
U-Boot & & Between \code{U-Boot 2021.01} and \code{Starting kernel} \\
U-Boot & & Between \code{U-Boot 2021.04} and \code{Starting kernel} \\
\hline
Kernel + Init scripts & & Between \code{Starting kernel} and \code{Starting ffmpeg} \\
\hline
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Expand Up @@ -34,11 +34,11 @@ \section{Timing messages on the serial console}

\begin{verbatim}
0.000000 0.000000]
[2.596791 2.596791] U-Boot SPL 2021.01 (Mar 05 2021 - 16:02:48 +0100)
[2.596791 2.596791] U-Boot SPL 2021.04 (Apr 05 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 2021.01 (Mar 05 2021 - 16:02:48 +0100)
[3.013835 0.000251] U-Boot 2021.04 (Apr 05 2021 - 16:02:48 +0100)
...
\end{verbatim}

Expand Down Expand Up @@ -131,9 +131,9 @@ \section{Initial measurements}
Step & Duration & Description \\
\hline
\hline
U-Boot SPL & & Between \code{U-Boot SPL 2021.01} and \code{U-Boot 2021.01} \\
U-Boot SPL & & Between \code{U-Boot SPL 2021.04} and \code{U-Boot 2021.04} \\
\hline
U-Boot & & Between \code{U-Boot 2021.01} and \code{Starting kernel} \\
U-Boot & & Between \code{U-Boot 2021.04} and \code{Starting kernel} \\
\hline
Kernel & & Between \code{Starting kernel} and \code{Run /sbin/init} \\
\hline
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