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[PATCH] docs/system: document an example booting the versatilepb machine
From: |
Alex Bennée |
Subject: |
[PATCH] docs/system: document an example booting the versatilepb machine |
Date: |
Fri, 29 Jan 2021 18:13:19 +0000 |
There is a bit more out there including Aurelien's excellent write up
and older Debian images here:
https://www.aurel32.net/info/debian_arm_qemu.php
https://people.debian.org/~aurel32/qemu/armel/
However the web is transitory and git is forever so lets add something
to the fine manual.
Cc: Anders Roxell <anders.roxell@linaro.org>
Cc: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
---
docs/system/arm/versatile.rst | 32 ++++++++++++++++++++++++++++++++
1 file changed, 32 insertions(+)
diff --git a/docs/system/arm/versatile.rst b/docs/system/arm/versatile.rst
index 51221c30a4..d16f20ccae 100644
--- a/docs/system/arm/versatile.rst
+++ b/docs/system/arm/versatile.rst
@@ -27,3 +27,35 @@ The Arm Versatile baseboard is emulated with the following
devices:
devices.
- PL181 MultiMedia Card Interface with SD card.
+
+Booting a Linux kernel
+----------------------
+
+Building a current Linux kernel with ``versatile_defconfig`` should be
+enough to get something running.
+
+.. code-block:: bash
+
+ $ export ARCH=arm
+ $ export CROSS_COMPILE=arm-linux-gnueabihf-
+ $ make versatile_defconfig
+ $ make
+
+You may want to enable some additional modules if you want to boot
+something from the SCSI interface::
+
+ CONFIG_PCI=y
+ CONFIG_PCI_VERSATILE=y
+ CONFIG_SCSI=y
+ CONFIG_SCSI_SYM53C8XX_2=y
+
+You can then boot with a command line like:
+
+.. code-block:: bash
+
+ $ qemu-system-arm -machine type=versatilepb \
+ -serial mon:stdio \
+ -drive if=scsi,driver=file,filename=debian-buster-armel-rootfs.ext4 \
+ -kernel zImage \
+ -dtb versatile-pb.dtb \
+ -append "console=ttyAMA0 ro root=/dev/sda"
--
2.20.1
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