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[Peter Cham <qqblog@xxxxxxxxx>]

On 17 Jul 2016 01:09, "J. Eppler" <j.eppler@xxxxxxxxxxxxxxx> wrote:
>
> Hello,
>
> my goal is to run Xen on HiKey (LeMaker). I am aware of the instructions
> in the Xen wiki: http://wiki.xen.org/wiki/HiKey, which I would like to
> recreate. Since, I am new to Xen and ARM many things are not clear for
> me and I hope some of you can point me in the right direction.
>
> # This is what I did
>
> ### Environment
>
> Debian "Stretch" testing
>
> ### Install ARM Toolchain
>
> ~~~
> host# apt-get install make gcc gcc-aarch64-linux-gnu
> gcc-arm-linux-gnueabi git libncurses5-dev python bc mtools
> ~~~
>
> ### Build Xen
>
> ~~~
> host$ git clone git://xenbits.xen.org/xen.git xen
> host$ cd xen
> host: ~/xen$ git checkout RELEASE-4.7.0
>
> host$ make xen XEN_TARGET_ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu-
> DEBUG=y CONFIG_EARLY_PRINT=fastmodel
> ~~~
>
> #### Build Kernel 4.1
>
> ~~~
> # clone the kernel tree
> user@host$ git clone https://github.com/96boards/linux.git 96boards_linux
> user@host$ cd 96boards_linux
> //this is the android-hikey-linaro-4.1 commit mentioned in the article
> user@host: ~/96boards_linux$ git checkout
> 9e740973c9a71214a5873d2a5de42e5be7522989
> user@host: ~/96boards_linux$ git show HEAD
>
> # setup cross build environment
> user@host: ~/96boards_linux$ export ARCH="arm64"
> user@host: ~/96boards_linux$ export CROSS_COMPILE="aarch64-linux-gnu-"
> user@host: ~/96boards_linux$ make hikey_defconfig #optional
>
> # show config file
> user@host: ~/96boards_linux$ less .config
>
> # download Xen config file
> user@host: ~/96board_linux$ wget
> http://xenbits.xen.org/people/sstabellini/config-hikey
> user@host: ~/96board_linux$ rm .config #optional
> user@host: ~/96board_linux$ mv config-hikey .config
>
> # cross build the kernel
> make -j24 Image hisilicon/hi6220-hikey.dtb
>
> # Copy files to SD card (FAT format)
> user@host$ sudo dd if=CentOS-7-aarch64-rolling.img of=/dev/sdX bs=4M
> user@host$ mkdir efi
> //mount efi FAT partition to efi
> user@host$ sudo mount /dev/sdX1 efi
> user@host$ cd 96board_linux
> user@host: ~/96board_linux$ cp arch/arm64/boot/Image ../efi
> host: ~$ cd xen
> host: ~/xen$ cp xen/xen ../efi
> host: ~/xen$ cd ../efi
> host: ~$ mv xen xen.efi
> //startup.nsh and xen.cfg are from the wiki article
> host: ~/efi$ ls
> EFI  Image  startup.nsh xen.cfg  xen.efi
> ~~~
>
> # This is the result
>
> try to start normal linux:
>
> ~~~
> Shell>
> FS0:                                                                    
> FS0:\> Image console=ttyAMA3,115200 root=/dev/mmcblk1p4 rootwait rw
> efi=noruntie
> EFI stub: Booting Linux
> Kernel...                                              
> EFI stub: Generating empty
> DTB                                                 
> EFI stub: Exiting boot services and installing virtual address map...
>
> //it stops here and does nothing more
> ~~~
>
> try to start xen:
> ~~~
> Xen 4.7.0 (c/s Mon Jun 20 11:38:15 2016 +0100 git:9a6cc4f) EFI loader
> Using configuration file 'xen.cfg'
> Image: 0x0000000079fd0000-0x000000007acb8c00
>
> //it stops here and does nothing more
> ~~~
>
> # Questions:
>
> 1. I used `xen XEN_TARGET_ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu-
> DEBUG=y CONFIG_EARLY_PRINT=fastmodel` to build Xen. I am not sure if
> this is correct, especially the `CONFIG_EARLY_PRINT=fastmodel`
> parameter. Can you point me to the right command?
>
> 2. I did not use the `CentOS-7-aarch64-rootfs-1606.tar.xz` mentioned in
> the article, mainly because I did not understand how to use it. I used
> instead `CentOS-7-aarch64-rolling.img.xz`. Does this make a difference
> and how to use the rootfs instead?
>
> 3. I simply renamed the binary `xen` to `xen.efi`. Does this work or do
> I have to compile xen with different parameters?
>
> 4. I am not sure if I placed the startup.nsh, xen.efi, xen.cfg and Image
> (kernel) files in the right place?
>
> in addition I would be happy to know about any other hint of things I
> did wrong.
>
> Best regards
>   J. Eppler
>
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> Xen-users@xxxxxxxxxxxxx
> https://lists.xen.org/xen-users


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