On Fri, 29 Jan 2021 at 18:13, Alex Bennée <alex.ben...@linaro.org> wrote: > > 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.rox...@linaro.org> > Cc: Aurelien Jarno <aurel...@aurel32.net> > Signed-off-by: Alex Bennée <alex.ben...@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
same remarks as for other patch. Does the 'make' make the right dtb automatically, by the way? (I have some notes where I had to tell the kernel to build the dtb explicitly, but maybe they are out of date.) > + > +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 It's a bit daft that these aren't in the defconfig, but hey. > + 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" thanks -- PMM
