Hey guys, On Mon, Jan 27, 2020, 1:11 PM Paul Barker <[email protected]> wrote:
> On Mon, 27 Jan 2020 at 15:42, Alejandro Enedino Hernandez Samaniego > <[email protected]> wrote: > > > > Hey Paul, > > > > > > > > On Mon, Jan 27, 2020, 2:09 AM Paul Barker <[email protected]> wrote: > >> > >> On Mon, 27 Jan 2020 at 10:00, Alejandro Enedino Hernandez Samaniego > >> <[email protected]> wrote: > >> > > >> > Create HelloWorld examples that run on several of the QEMU > architectures > >> > supported by the build system. > >> > > >> > This recipe can be used by anyone to understand how baremetal > applications > >> > can be built using OpenEmbedded and how the wiring to set them up > could be. > >> > > >> > This should also facilitate creating/extending the OE testing > infrastructure > >> > to allow baremetal applications or RTOSs to be tested in the same way > that > >> > Linux currently is. > >> > > >> > This can easily be extended to work on other MACHINES in the future. > >> > > >> > To run this example: > >> > > >> > # Source the oe environment as usual > >> > $ source oe-init-buildenv > >> > > >> > # Set TCLIBC to either newlib or baremetal > >> > $ echo "TCLIBC = \"newlib\"" >> ./conf/local.conf > >> > > >> > # Use one of the supported architectures (qemuarm64, qemuarm or > qemuarmv5) > >> > $ echo "MACHINE = \"qemuarm64\"" >> ./conf/local.conf > >> > > >> > # Build > >> > $ bitbake baremetal-helloworld > >> > > >> > # Launch QEMU > >> > $ runqemu > >> > > >> > runqemu - INFO - Running bitbake -e ... > >> > runqemu - INFO - Continuing with the following parameters: > >> > KERNEL: > [tmp/deploy/images/qemuarm64/baremetal-helloworld-qemuarm64.bin] > >> > MACHINE: [qemuarm64] > >> > FSTYPE: [bin] > >> > ROOTFS: > [tmp/deploy/images/qemuarm64/baremetal-helloworld-qemuarm64.bin] > >> > CONFFILE: > [tmp/deploy/images/qemuarm64/baremetal-helloworld-qemuarm64.qemuboot.conf] > >> > > >> > Hello OpenEmbedded! > >> > > >> > Signed-off-by: Alejandro Enedino Hernandez Samaniego < > [email protected]> > >> > --- > >> > .../baremetal-examples/baremetal-helloworld_git.bb | 114 > +++++++++++++++++++++ > >> > 1 file changed, 114 insertions(+) > >> > create mode 100644 meta/recipes-extended/baremetal-examples/ > baremetal-helloworld_git.bb > >> > > >> > diff --git a/meta/recipes-extended/baremetal-examples/ > baremetal-helloworld_git.bb b/meta/recipes-extended/baremetal-examples/ > baremetal-helloworld_git.bb > >> > new file mode 100644 > >> > index 0000000..aab48b1 > >> > --- /dev/null > >> > +++ b/meta/recipes-extended/baremetal-examples/ > baremetal-helloworld_git.bb > >> > @@ -0,0 +1,114 @@ > >> > +SUMMARY = "Baremetal examples to work with the several QEMU > architectures supported on OpenEmbedded" > >> > +HOMEPAGE = "https://github.com/aehs29/baremetal-helloqemu"; > >> > +LICENSE = "CC-BY-SA-4.0" > >> > >> I've raised https://github.com/aehs29/baremetal-helloqemu/issues/1 as > >> CC licenses aren't recommended for software. > >> > >> > > > > I do agree, I originally had it as MIT, although I did base this on the > original work of someone who made it work for the versatile architecture > and they licensed that with CC-BY-SA and as I was reading I have to use the > same license as them. > > > > I thought about it and for the Hello OpenEmbedded examples it would be > ok since they should serve mostly as basis for the wiring that users can > use to build, run and test their baremetal apps on OE, so the license > wouldn't affect them, but I'm open to suggestions here. > > A bad license choice in a sample recipe is just going to encourage > others to use it though. I'd recommend reviewing > https://wiki.creativecommons.org/wiki/ShareAlike_compatibility:_GPLv3 > to see if you can use GPLv3 instead if you've got CC-BY-SA inputs. You > could also contact the original author and ask about licensing the > code more cleanly. > Agreed, I took a look at that already and it looks like the compatibility starts with CC-BY-SA 4 which didn't exist when the original code was written, but that's why I chose v4 because it was compatible with the older ones and people that use this can use GPLv3 if they want to since this is CC-BY-SA v4, again this wasn't my first choice either. I tried contacting the author already but it's been a while and he hasn't replied yet. Alejandro > > Thanks, > Paul >
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