On 3 May 2013 12:04, Jonathan Aquilina <eagles051...@gmail.com> wrote: > Im not trying to hijack this thread, but i find it very interesting to see > you guys working on seperate tress from the mainline kernel. Wouldnt it be > beneficial any patches etc that linaro work on and changes made get > upstreamed?
That's sort-of what's happening. If you look what's in our tree, it's basically mainline + the latest patches from Catalin's tree that aren't upstream yet + some config changes. That's the idea, at least. > > > On Fri, May 3, 2013 at 12:48 PM, Ryan Harkin <ryan.har...@linaro.org> wrote: >> >> Hi, >> >> On 3 May 2013 10:08, Wang Wei <bessel.w...@huawei.com> wrote: >> > Dear linaro members >> > >> > I want to build arm64 kernel according to the steps of >> > HowTo/BuildArm64Kernel. Then i use Foundatin_v8 with args such as >> > linux-system-foundation.axf,vexpress64-openembedded_lam-armv8_20130320-274.img. >> > But RTSM terminal_0 cannot display. I tried my best to search for >> > methods to solve it. But i cannot find a correct method to handle with it. >> > I >> > need some help. >> >> Have you tried to run our binaries from our release first, to make >> sure your setup is correct? Then, when you know the setup is correct, >> build your own kernel and see what happens. >> >> RTSM_terminal_0 may not display because the kernel is crashing and has >> not started the console output yet. There are many reasons for this, >> like using a wrong kernel binary, using the wrong device tree, etc... >> That's why I recommend you take our release version first and try >> that. >> >> >> > >> > I tried to slove it as following: >> > >> > I have tried 3.7 kernel and used 3.9-rc even. >> >> Basically, the upstream kernel does not have the same arm64 support >> included as we have in Linaro's trees. We are using code taken from >> Catalin's tree and adding some patches ourselves. >> >> If you want to work with our instructions, you should use our tree: >> >> https://git.linaro.org/gitweb?p=kernel/linux-linaro-tracking.git >> >> That should be the easiest way to reproduce the issue. >> >> But i cannot built kenel correctly. Because some files such as >> arm64/boot/dts/vexpress-v2p-aarch64.dts, >> > vexpress-foundation-v8.dts,vexpress-v2m-rs1.dtsi,skeleton.dtsi and >> > arm64/configs/vexpress_defconfig don’t exist in 3.7 kernel and 3.9-rc even. >> > So i cannot complete building kernel. Also i cannot use boot wrapper to >> > generate a linux-system-foundation.axf suitable for a Foundation model. >> > Then I copied the above files from >> > linaro-aarch64-linaro-aarch64-3.6-fdf0f30 to 3.7 kernel and 3.9-rc even. >> > Though I got linux-system-foundation.axf, i used foundation_v8 with the >> > new linux-system-foundation.axf and rootfs.img and RTSM terminal_0 cannot >> > display. I don’t know which step I made mistake. >> > >> > So i need to ask for help to know how to build arm64 kernel of 3.7 >> > kernel and 3.9-rc even and generate a linux-system-foundation.axf which can >> > run on Foundation model. >> > For example, i should how to write configuration files such as >> > vexpress_defconfig,vexpress-foundation-v8.dts,vexpress-v2p-aarch64.dts and >> > so on. >> > These files such as vexpress-foundation-v8.dts,vexpress-v2p-aarch64.dts >> > are used to do what? Why RTSM terminal_0 cannot display? >> > >> > Thanks >> > Xiaoke Wu >> > >> > >> > _______________________________________________ >> > linaro-dev mailing list >> > linaro-dev@lists.linaro.org >> > http://lists.linaro.org/mailman/listinfo/linaro-dev >> >> _______________________________________________ >> linaro-dev mailing list >> linaro-dev@lists.linaro.org >> http://lists.linaro.org/mailman/listinfo/linaro-dev > > > > > -- > Jonathan Aquilina _______________________________________________ linaro-dev mailing list linaro-dev@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-dev
