I am trying to run the PVHVM guest on omap5 (arm arch) so that I can get
the frame buffer shared by Domains. my setup are:
1. run xen4.5 after the u-boot.
2. start the dom0 (on linux kernel 3.12) on xen.
3. run the qemu (from xen 4.5) and HVM backend on xen.
4. run the guest domain as "Machine: Dummy Virtual Machine, model:
XENVM-4.5"
5. try to build a frame buffer on guest domain by
CONFIG_XEN_FBDEV_FRONTEND = y
CONFIG_FB_VIRTUAL=y
after change to domain checking in the first list of xenfb_init(...) in
xen-fbfront.c from
if (!xen_pv_domain()) ---> if (!xen_domain())
the /dev/fb0 is built up on guest domain. However, writing to this fb
has no response from screen.
Why xenfb_init limited to PV domain only?
Is the PVHVM mode supported by xen4.5 and linux3.12?
Looks at the xen.h at the linux kernel source:
enum xen_domain_type {
XEN_NATIVE, /* running on bare hardware */
XEN_PV_DOMAIN, /* running in a PV domain */
XEN_HVM_DOMAIN, /* running in a Xen hvm domain */
};
seems PVHVM is not there yet?
Kindly enlighten me what could be the solution to get the frame buffer
shared by Domains?
Regards,
Mao Mingya
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