boot-time labs: explain where U-boot environment is stored

Signed-off-by: Michael Opdenacker <michael.opdenacker@bootlin.com>
bootlin · Oct 22, 2021 · bd81045 · bd81045
1 parent adc0872
commit bd81045
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/labs/boot-time-build-kernel-and-start-system/boot-time-build-kernel-and-start-system.tex b/labs/boot-time-build-kernel-and-start-system/boot-time-build-kernel-and-start-system.tex
@@ -199,6 +199,9 @@ \section{Bootloader configuration}
 saveenv
 \end{verbatim}
 
+This saves the environment in a \code{uboot.env} file in the FAT32
+partition of the SD card.
+
 \section{Testing time!}
 
 First, connect the USB webcam provided by your instructor, and point it