Add a couple of documentation details about PV-GRUB support
- the menu.lst content can be passed as a ramdisk.
- virtual partitions are not supported.
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Network support is still provided the same way: using the tap
interface, created in qemu using netfront.
The lwip stack is still available to avoid additional compilation
issues.
However the stubdom is not going to have its own vif anymore,
this means that the only vnc server supported is the one in dom0.
You can still enable the vnc server in a stubdom at compile time, if
you want so.
Probably the most important change caused by this patch to xen users
is that you don't have to specify two vif in the stubdom config file
anymore, but just one:
-vif = [ '', 'ip=10.0.1.1,mac=aa:00:00:12:23:34']
+vif = ['ip=10.0.1.1,mac=aa:00:00:12:23:34']
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
stubdom/ is now compiled and installed by default
HVM+IOEMU-stubdom can not boot if dom0 has to be ballooned.
Signed-off-by: Samuel Thibault <samuel.thibault@eu.citrix.com>
This fetches GRUB1 sources, applies the {graphical, print function,
save default, and ext3_256byte} patches from debian, and applies a
patch to make it work on x86_64 and port it to Mini-OS. By using
libxc, PV-GRUB can then "kexec" the loaded kernel from inside the
domain itself, hence permitting to avoid the security-concerned
pygrub.
Signed-off-by: Samuel Thibault <samuel.thibault@eu.citrix.com>
letting the stubdomain access the save area, and having it watch the
correct xenstore node.
Signed-off-by: Samuel Thibault <samuel.thibault@eu.citrix.com>
This adds support in ioemu for PVFB frontend as stubdomain display.
This permits for instance to use SDL in dom0 to perform the eventual
display.
Signed-off-by: Samuel Thibault <samuel.thibault@eu.citrix.com>
- Document that for vnclisten names and 127.0.0.1 should not be used.
- Documentation cosmetic fixes
- Dump qemu output to the usual logs
Signed-off-by: Samuel Thibault <samuel.thibault@eu.citrix.com>
- Move PAGE_SIZE and STACK_SIZE into __PAGE_SIZE and __STACK_SIZE in
arch_limits.h so as to permit getting them from there without
pulling all the internal Mini-OS defines.
- Setup a xen-elf cross-compilation environment in stubdom/cross-root
- Add a POSIX layer on top of Mini-OS by linking against the newlib C
library and lwIP, and implementing the Unixish part in mini-os/lib/sys.c
- Cross-compile zlib and libpci too.
- Add an xs.h-compatible layer on top of Mini-OS' xenbus.
- Cross-compile libxc with an additional xc_minios.c and a few things
disabled.
- Cross-compile ioemu with an additional block-vbd, but without sound,
tpm and other details. A few hacks are needed:
- Align ide and scsi buffers at least on sector size to permit
direct transmission to the block backend. While we are at it, just
page-align it to possibly save a segment. Also, limit the scsi
buffer size because of limitations of the block paravirtualization
protocol.
- Allocate big tables dynamically rather that letting them go to
bss: when Mini-OS gets installed in memory, bss is not lazily
allocated, and doing so during Mini-OS is unnecessarily trick while
we can simply use malloc.
- Had to change the Mini-OS compilation somehow, so as to export
Mini-OS compilation flags to the Makefiles of libxc and ioemu.
Signed-off-by: Samuel Thibault <samuel.thibault@eu.citrix.com>
Ian Campbell
Keir Fraser