On Fri, Mar 05, 2021 at 06:07:47AM +0900, Stafford Horne wrote: > Most developers have qemu and rather not download and install the > or1ksim. Also, this adds details on how to get a openrisc toolchain. > > Signed-off-by: Stafford Horne <shorne@xxxxxxxxx> > --- > Documentation/boards/openrisc.rst | 68 +++++++++++++++++++++++++++++++ > 1 file changed, 68 insertions(+) Applied, thanks Sascha > > diff --git a/Documentation/boards/openrisc.rst b/Documentation/boards/openrisc.rst > index f9d67f965..34586b4a7 100644 > --- a/Documentation/boards/openrisc.rst > +++ b/Documentation/boards/openrisc.rst > @@ -1,6 +1,74 @@ > OpenRISC > ======== > > +Optaining an OpenRISC toolchain > +------------------------------- > + > +Toolchain binaries can be obtained from openrisc.io or our github releases page. > +Instructions for building the different toolchains can be found on openrisc.io > +or Stafford's toolchain build and release scripts. > + > +See: > + > + * https://github.com/stffrdhrn/gcc/releases > + * https://github.com/stffrdhrn/or1k-toolchain-build > + * https://openrisc.io/software > + > +Example of downloading and installing a toolchain:: > + > + $ curl --remote-name --location \ > + https://github.com/stffrdhrn/gcc/releases/download/or1k-10.0.0-20190723/or1k-elf-10.0.0-20190723.tar.xz > + $ tar -xf or1k-elf-10.0.0-20190723.tar.xz > + $ export PATH=$PATH:$PWD/or1k-elf/bin > + > +Running OpenRISC barebox on qemu > +------------------------------ > + > +Running barebox on qemu is similar to running linux on qemu see more details on > +the qemu wiki site at https://wiki.qemu.org/Documentation/Platforms/OpenRISC > + > +Compile the qemu emulator:: > + > + $ git clone https://gitlab.com/qemu-project/qemu.git > + $ cd qemu > + $ mkdir build ; cd build > + $ ../configure \ > + --target-list="or1k-softmmu" \ > + --enable-fdt \ > + --disable-kvm \ > + --disable-xen \ > + --disable-xkbcommon \ > + --enable-debug \ > + --enable-debug-info > + $ make > + > +Next compile barebox:: > + > + $ make ARCH=openrisc defconfig > + ... > + $ make ARCH=openrisc CROSS_COMPILE=or1k-elf- > + > +Run barebox:: > + > + $ <path to qemu source>/build/or1k-softmmu/qemu-system-or1k \ > + -cpu or1200 \ > + -M or1k-sim \ > + -kernel /home/shorne/work/openrisc/barebox/barebox \ > + -net nic -net tap,ifname=tap0,script=no,downscript=no \ > + -serial mon:stdio -nographic -gdb tcp::10001 \ > + -m 32 > + > + > + barebox 2021.02.0-00120-g763c6fee7-dirty #14 Thu Mar 4 05:13:51 JST 2021 > + > + > + Board: or1ksim > + mdio_bus: miibus0: probed > + malloc space: 0x01b80000 -> 0x01f7ffff (size 4 MiB) > + > + Hit any to stop autoboot: 3 > + barebox@or1ksim:/ > + > or1ksim > ------- > > -- > 2.26.2 > > -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
