Peter Maydell <peter.mayd...@linaro.org> writes:
> 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 dtb explicitly, but maybe they are out of date.) I didn't do anything special and it was there in the build directory. Do your notes pre-date 2013: commit cc8e9ad88487004372cae87718ff593d0a2fdc3a Author: Rob Herring <rob.herr...@calxeda.com> Date: Wed Mar 13 21:31:42 2013 -0500 ARM: versatile: add versatile dtbs to dtbs target Add the versatile platform dtbs to the dtbs make rule. Signed-off-by: Rob Herring <rob.herr...@calxeda.com> > >> + >> +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 -- Alex Bennée
