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| Recipe for getting/building/running Xen/ia64 with pv_ops | ||
| -------------------------------------------------------- | ||
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| This recipe describes how to get xen-ia64 source and build it, | ||
| and run domU with pv_ops. | ||
|
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| ============ | ||
| Requirements | ||
| ============ | ||
|
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| - python | ||
| - mercurial | ||
| it (aka "hg") is an open-source source code | ||
| management software. See the below. | ||
| http://www.selenic.com/mercurial/wiki/ | ||
| - git | ||
| - bridge-utils | ||
|
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| ================================= | ||
| Getting and Building Xen and Dom0 | ||
| ================================= | ||
|
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| My environment is; | ||
| Machine : Tiger4 | ||
| Domain0 OS : RHEL5 | ||
| DomainU OS : RHEL5 | ||
|
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| 1. Download source | ||
| # hg clone http://xenbits.xensource.com/ext/ia64/xen-unstable.hg | ||
| # cd xen-unstable.hg | ||
| # hg clone http://xenbits.xensource.com/ext/ia64/linux-2.6.18-xen.hg | ||
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| 2. # make world | ||
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| 3. # make install-tools | ||
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| 4. copy kernels and xen | ||
| # cp xen/xen.gz /boot/efi/efi/redhat/ | ||
| # cp build-linux-2.6.18-xen_ia64/vmlinux.gz \ | ||
| /boot/efi/efi/redhat/vmlinuz-2.6.18.8-xen | ||
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| 5. make initrd for Dom0/DomU | ||
| # make -C linux-2.6.18-xen.hg ARCH=ia64 modules_install \ | ||
| O=$(/bin/pwd)/build-linux-2.6.18-xen_ia64 | ||
| # mkinitrd -f /boot/efi/efi/redhat/initrd-2.6.18.8-xen.img \ | ||
| 2.6.18.8-xen --builtin mptspi --builtin mptbase \ | ||
| --builtin mptscsih --builtin uhci-hcd --builtin ohci-hcd \ | ||
| --builtin ehci-hcd | ||
|
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| ================================ | ||
| Making a disk image for guest OS | ||
| ================================ | ||
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| 1. make file | ||
| # dd if=/dev/zero of=/root/rhel5.img bs=1M seek=4096 count=0 | ||
| # mke2fs -F -j /root/rhel5.img | ||
| # mount -o loop /root/rhel5.img /mnt | ||
| # cp -ax /{dev,var,etc,usr,bin,sbin,lib} /mnt | ||
| # mkdir /mnt/{root,proc,sys,home,tmp} | ||
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| Note: You may miss some device files. If so, please create them | ||
| with mknod. Or you can use tar instead of cp. | ||
|
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| 2. modify DomU's fstab | ||
| # vi /mnt/etc/fstab | ||
| /dev/xvda1 / ext3 defaults 1 1 | ||
| none /dev/pts devpts gid=5,mode=620 0 0 | ||
| none /dev/shm tmpfs defaults 0 0 | ||
| none /proc proc defaults 0 0 | ||
| none /sys sysfs defaults 0 0 | ||
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| 3. modify inittab | ||
| set runlevel to 3 to avoid X trying to start | ||
| # vi /mnt/etc/inittab | ||
| id:3:initdefault: | ||
| Start a getty on the hvc0 console | ||
| X0:2345:respawn:/sbin/mingetty hvc0 | ||
| tty1-6 mingetty can be commented out | ||
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| 4. add hvc0 into /etc/securetty | ||
| # vi /mnt/etc/securetty (add hvc0) | ||
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| 5. umount | ||
| # umount /mnt | ||
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| FYI, virt-manager can also make a disk image for guest OS. | ||
| It's GUI tools and easy to make it. | ||
|
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| ================== | ||
| Boot Xen & Domain0 | ||
| ================== | ||
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| 1. replace elilo | ||
| elilo of RHEL5 can boot Xen and Dom0. | ||
| If you use old elilo (e.g RHEL4), please download from the below | ||
| http://elilo.sourceforge.net/cgi-bin/blosxom | ||
| and copy into /boot/efi/efi/redhat/ | ||
| # cp elilo-3.6-ia64.efi /boot/efi/efi/redhat/elilo.efi | ||
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| 2. modify elilo.conf (like the below) | ||
| # vi /boot/efi/efi/redhat/elilo.conf | ||
| prompt | ||
| timeout=20 | ||
| default=xen | ||
| relocatable | ||
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| image=vmlinuz-2.6.18.8-xen | ||
| label=xen | ||
| vmm=xen.gz | ||
| initrd=initrd-2.6.18.8-xen.img | ||
| read-only | ||
| append=" -- rhgb root=/dev/sda2" | ||
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| The append options before "--" are for xen hypervisor, | ||
| the options after "--" are for dom0. | ||
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| FYI, your machine may need console options like | ||
| "com1=19200,8n1 console=vga,com1". For example, | ||
| append="com1=19200,8n1 console=vga,com1 -- rhgb console=tty0 \ | ||
| console=ttyS0 root=/dev/sda2" | ||
|
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| ===================================== | ||
| Getting and Building domU with pv_ops | ||
| ===================================== | ||
|
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| 1. get pv_ops tree | ||
| # git clone http://people.valinux.co.jp/~yamahata/xen-ia64/linux-2.6-xen-ia64.git/ | ||
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| 2. git branch (if necessary) | ||
| # cd linux-2.6-xen-ia64/ | ||
| # git checkout -b your_branch origin/xen-ia64-domu-minimal-2008may19 | ||
| (Note: The current branch is xen-ia64-domu-minimal-2008may19. | ||
| But you would find the new branch. You can see with | ||
| "git branch -r" to get the branch lists. | ||
| http://people.valinux.co.jp/~yamahata/xen-ia64/for_eagl/linux-2.6-ia64-pv-ops.git/ | ||
| is also available. The tree is based on | ||
| git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6 test) | ||
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| 3. copy .config for pv_ops of domU | ||
| # cp arch/ia64/configs/xen_domu_wip_defconfig .config | ||
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| 4. make kernel with pv_ops | ||
| # make oldconfig | ||
| # make | ||
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| 5. install the kernel and initrd | ||
| # cp vmlinux.gz /boot/efi/efi/redhat/vmlinuz-2.6-pv_ops-xenU | ||
| # make modules_install | ||
| # mkinitrd -f /boot/efi/efi/redhat/initrd-2.6-pv_ops-xenU.img \ | ||
| 2.6.26-rc3xen-ia64-08941-g1b12161 --builtin mptspi \ | ||
| --builtin mptbase --builtin mptscsih --builtin uhci-hcd \ | ||
| --builtin ohci-hcd --builtin ehci-hcd | ||
|
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| ======================== | ||
| Boot DomainU with pv_ops | ||
| ======================== | ||
|
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| 1. make config of DomU | ||
| # vi /etc/xen/rhel5 | ||
| kernel = "/boot/efi/efi/redhat/vmlinuz-2.6-pv_ops-xenU" | ||
| ramdisk = "/boot/efi/efi/redhat/initrd-2.6-pv_ops-xenU.img" | ||
| vcpus = 1 | ||
| memory = 512 | ||
| name = "rhel5" | ||
| disk = [ 'file:/root/rhel5.img,xvda1,w' ] | ||
| root = "/dev/xvda1 ro" | ||
| extra= "rhgb console=hvc0" | ||
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| 2. After boot xen and dom0, start xend | ||
| # /etc/init.d/xend start | ||
| ( In the debugging case, # XEND_DEBUG=1 xend trace_start ) | ||
|
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| 3. start domU | ||
| # xm create -c rhel5 | ||
|
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| ========= | ||
| Reference | ||
| ========= | ||
| - Wiki of Xen/IA64 upstream merge | ||
| http://wiki.xensource.com/xenwiki/XenIA64/UpstreamMerge | ||
|
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| Written by Akio Takebe <takebe_akio@jp.fujitsu.com> on 28 May 2008 |
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| Original file line number | Diff line number | Diff line change |
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| #ifndef _ASM_IA64_MACHVEC_XEN_h | ||
| #define _ASM_IA64_MACHVEC_XEN_h | ||
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| extern ia64_mv_setup_t dig_setup; | ||
| extern ia64_mv_cpu_init_t xen_cpu_init; | ||
| extern ia64_mv_irq_init_t xen_irq_init; | ||
| extern ia64_mv_send_ipi_t xen_platform_send_ipi; | ||
|
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| /* | ||
| * This stuff has dual use! | ||
| * | ||
| * For a generic kernel, the macros are used to initialize the | ||
| * platform's machvec structure. When compiling a non-generic kernel, | ||
| * the macros are used directly. | ||
| */ | ||
| #define platform_name "xen" | ||
| #define platform_setup dig_setup | ||
| #define platform_cpu_init xen_cpu_init | ||
| #define platform_irq_init xen_irq_init | ||
| #define platform_send_ipi xen_platform_send_ipi | ||
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| #endif /* _ASM_IA64_MACHVEC_XEN_h */ |
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