From 03549f639f502e3fb2cde469f637533bc30d796c Mon Sep 17 00:00:00 2001 From: Zhang Xiantao Date: Tue, 29 Jan 2008 17:27:06 +0800 Subject: [PATCH] README: How to boot up guests on kvm/ia64 Guide: How to boot up guests on kvm/ia64 Signed-off-by: Xiantao Zhang --- arch/ia64/kvm/README | 72 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 72 insertions(+), 0 deletions(-) create mode 100644 arch/ia64/kvm/README diff --git a/arch/ia64/kvm/README b/arch/ia64/kvm/README new file mode 100644 index 0000000..22b1db7 --- /dev/null +++ b/arch/ia64/kvm/README @@ -0,0 +1,72 @@ + Guide: How to boot up guests on kvm/ia64 + +1. Get the kvm source from git.kernel.org. + Userspace source: + git clone git://git.kernel.org/pub/scm/virt/kvm/kvm-userspace.git + Kernel Source: + git clone git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm.git +2. Compile the source code. + 2.1 Compile userspace code: + (1)cd ./kvm-userspace + (2)./configure + (3)cd kernel + (4)make sync LINUX= $kernel_dir (kernel_dir is the directory of kernel source.) + (5)cd .. + (6)make qemu + (7)cd qemu; make install + 2.2 Compile kernel source code: + (1) cd ./$kernel_dir + (2) Make menuconfig + (3) Enter into virtualization option, and choose kvm. + (4) make + (5) Once (4) done, make modules_install + (6) Make initrd, and use new kernel to reboot up host machine. + (7) Once (6) done, cd $kernel_dir/arch/ia64/kvm + (8) insmod kvm.ko; insmod kvm-intel.ko + +Note: For step 2, please make sure that host page size == TARGET_PAGE_SIZE of qemu, otherwise, may fail. + +3. Get Guest Firmware named as Flash.fd, and put it under right place: + (1) If you have the guest firmware (binary)released by Intel Corp for Xen, you can use it directly. + (2) If you want to build a guest firmware form souce code. Please download the source from + hg clone http://xenbits.xensource.com/ext/efi-vfirmware.hg + Use the Guide of the source to build open Guest Firmware. + (3) Rename it to Flash.fd, and copy it to /usr/local/share/qemu +Note: For step 3, kvm use the guest firmware which complies with the one Xen uses. + +4. Boot up Linux or Windows guests: + 4.1 Create or install a image for guest boot. If you have xen experience, it should be easy. + + 4.2 Boot up guests use the following command. + /usr/local/bin/qemu-system-ia64 -smp xx -m 512 -hda $your_image + (xx is the number of virtual processors for the guest, now the maximum value is 4) + +5. Known possbile issue on some platforms with old Firmware + +If meet strange host crashes, you may try to solve it through either of the following methods. +(1): Upgrade your Firmware to the latest one. + +(2): Applying the below patch to kernel source. +diff --git a/arch/ia64/kernel/pal.S b/arch/ia64/kernel/pal.S +index 0b53344..f02b0f7 100644 +--- a/arch/ia64/kernel/pal.S ++++ b/arch/ia64/kernel/pal.S +@@ -84,7 +84,8 @@ GLOBAL_ENTRY(ia64_pal_call_static) + mov ar.pfs = loc1 + mov rp = loc0 + ;; +- srlz.d // seralize restoration of psr.l ++ srlz.i // seralize restoration of psr.l ++ ;; + br.ret.sptk.many b0 + END(ia64_pal_call_static) + +6. Bug report: + If you found any issues when use kvm/ia64, Please post the bug info to kvm-ia64-devel mailing list. + https://lists.sourceforge.net/lists/listinfo/kvm-ia64-devel/ + +Thanks for your interest! Let's work together, and make kvm/ia64 stronger and stronger! + + + Zhang Xiantao + 2008.1.28 -- 1.5.1