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Réf. : [Xen-ia64-devel] Recipe for getting/building/running Xen/ia64

To: "Magenheimer, Dan (HP Labs Fort Collins)" <dan.magenheimer@xxxxxx>
Subject: Réf. : [Xen-ia64-devel] Recipe for getting/building/running Xen/ia64
From: jean-paul.pigache@xxxxxxxx
Date: Wed, 20 Jul 2005 11:09:21 +0200
Cc: xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
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can the current ia64 code run on a (physical) multiprocessor system ?

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Objet :        [Xen-ia64-devel] Recipe for getting/building/running Xen/ia64

A lot has changed in Xen/ia64 since the README files in
arch/ia64/tools were written.  Attached is the first draft
of a recipe for getting/building/running Xen/ia64.
It will need some work, but if you are a Xen/ia64 "newbie"
and have been eager to give Xen/ia64 a try, please try
following this recipe and provide changes/feedback.
It will eventually find its way back into a README file.



Preparation:  On your ia64 system, you will need:
- python2.3, see http://www.python.org
- the mercurial (aka "hg") open-source source code management software
 version >= 0.6b, see: http://www.selenic.com/mercurial/
- gcc version >= 3.2 (4.0 is not known to work yet though)
- a copy of linux 2.6.11 (tar file)

Getting and building the Xen/ia64 "tip":
- create a directory to put it in:
                $ cd "HOME" # wherever you want to put it
                $ mkdir xen-ia64-unstable.hg
                $ cd xen-ia64-unstable.hg
- get the bits
                $ hg clone http://xenbits.xensource.com/ext/xen-ia64-unstable.hg
                $ hg update
- unpack linux (many linux files are directly used by xen/ia64)
                $ cd "HOME"
                $ cp ..../linux-2.6.11.tar.gz .
                $ tar xzf linux-2.6.11.tar.gz
- build Xen/ia64
                $ cd "HOME"/xen-ia64-unstable.hg
                $ cd xen
                $ bash arch/ia64/tools/mkbuildtree
                $ make # if using the cross-compiler, use "make

Getting and building the Xenlinux/ia64 "tip":
- create a directory to put it in:
                $ cd "HOME" # wherever you want to put it
                $ mkdir xenlinux-ia64-2.6.12.hg
                $ cd xenlinux-ia64-2.6.12.hg
- get the bits
                $ hg clone
                $ hg update
- prep the xenlinux build
                $ cd "HOME"/xenlinux-ia64-2.6.12.hg
                $ cd include/asm-xen/
                $ ln -s asm-ia64 asm
                $ cd "HOME"/xenlinux-ia64-2.6.12.hg
                $ # following works for HP zx1-based systems
                $ cp arch/ia64/configs/xen_zx1defconfig .config
                $ # if you build your own .config, ensure that CONFIG_XEN=y
                $ # and there are no modules (replace all "=m" with "=y")
- build xenlinux
                $ cd "HOME"/xenlinux-ia64-2.6.12.hg
                $ yes "" | make oldconfig
                $ make
                $ # resulting xenlinux binary is called vmlinux

- prep the bootloader
                $ # where is your elilo.conf file?  call this "BOOTDIR"
                $ # add an entry to "BOOTDIR"/elilo.conf
                $ # the exact syntax for the "append=" is very system
                $ # the part before the '--' is for xen...
                $ # the part after the '--' should look like your normal linux
                $ # FIXME: not sure if nomca is still needed
                                 append="sched=bvt -- nomca console=ttyS0,115200
Booting Xen/ia64:
                $ cd "HOME"/xen-ia64-unstable.hg
                $ cp xen "BOOTDIR"
                $ cd "HOME"/xenlinux-ia64-2.6.12.hg
                $ cp vmlinux "BOOTDIR"/xenlinux
                $ # if you see no output on your console, you may need to
                $ # a com1= on the Xen part of the "append=" line.  Note that
                $ # syntax for this is different than for linux.  FIXME: docs
                $ # for this will be documented in a separate file

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