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freebsd-nq/sys/xen
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Roger Pau Monné c203fa6940 xen: add and enable Xen console for PVH guests 
This adds and enables the PV console used on XEN kernels to
GENERIC/XENHVM kernels in order for it to be used on PVH.

Approved by: gibbs
Sponsored by: Citrix Systems R&D

dev/xen/console/console.c:
 - Define console_page.
 - Move xc_printf debug function from i386 XEN code to generic console
   code.
 - Rework xc_printf.
 - Use xen_initial_domain instead of open-coded checks for Dom0.
 - Gate the attach of the PV console to PV(H) guests.

dev/xen/console/xencons_ring.c:
 - Allow the PV Xen console to output earlier by directly signaling
   the event channel in start_info if the event channel is not yet
   initialized.
 - Use HYPERVISOR_start_info instead of xen_start_info.

i386/include/xen/xen-os.h:
 - Remove prototype for xc_printf since it's now declared in global
   xen-os.h

i386/xen/xen_machdep.c:
 - Remove previous version of xc_printf.
 - Remove definition of console_page (now it's defined in the console
   itself).
 - Fix some printf formatting errors.

x86/xen/pv.c:
 - Add some early boot debug messages using xc_printf.
 - Set console_page based on the value passed in start_info.

xen/xen-os.h:
 - Declare console_page and add prototype for xc_printf.
2014-03-11 10:09:23 +00:00
..
evtchn Implement vector callback for PVHVM and unify event channel implementations 2013-08-29 19:52:18 +00:00
interface Implement vector callback for PVHVM and unify event channel implementations 2013-08-29 19:52:18 +00:00
xenbus Implement vector callback for PVHVM and unify event channel implementations 2013-08-29 19:52:18 +00:00
xenstore Implement vector callback for PVHVM and unify event channel implementations 2013-08-29 19:52:18 +00:00
blkif.h
evtchn.h Implement vector callback for PVHVM and unify event channel implementations 2013-08-29 19:52:18 +00:00
features.c Implement vector callback for PVHVM and unify event channel implementations 2013-08-29 19:52:18 +00:00
features.h
gnttab.c Implement vector callback for PVHVM and unify event channel implementations 2013-08-29 19:52:18 +00:00
gnttab.h Implement vector callback for PVHVM and unify event channel implementations 2013-08-29 19:52:18 +00:00
hvm.h Merge Xen PVHVM support into the GENERIC kernel config for both 2013-09-20 22:59:22 +00:00
hypervisor.h
xen_intr.h Implement PV IPIs for PVHVM guests and further converge PV and HVM 2013-09-06 22:17:02 +00:00
xen-os.h xen: add and enable Xen console for PVH guests 2014-03-11 10:09:23 +00:00