From c2419b4a4727f67af2fc2cd68b0d878b75e781bb Mon Sep 17 00:00:00 2001 From: Jeremy Fitzhardinge Date: Tue, 31 May 2011 10:50:10 -0400 Subject: xen: allow enable use of VGA console on dom0 Get the information about the VGA console hardware from Xen, and put it into the form the bootloader normally generates, so that the rest of the kernel can deal with VGA as usual. [ Impact: make VGA console work in dom0 ] Signed-off-by: Jeremy Fitzhardinge [v1: Rebased on 2.6.39] [v2: Removed incorrect comments and fixed compile warnings] Signed-off-by: Konrad Rzeszutek Wilk --- arch/x86/xen/enlighten.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'arch/x86/xen/enlighten.c') diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index e3c6a06cf725..4abd2d5d04f7 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -1241,6 +1241,14 @@ asmlinkage void __init xen_start_kernel(void) if (pci_xen) x86_init.pci.arch_init = pci_xen_init; } else { + const struct dom0_vga_console_info *info = + (void *)((char *)xen_start_info + + xen_start_info->console.dom0.info_off); + + xen_init_vga(info, xen_start_info->console.dom0.info_size); + xen_start_info->console.domU.mfn = 0; + xen_start_info->console.domU.evtchn = 0; + /* Make sure ACS will be enabled */ pci_request_acs(); } -- cgit v1.2.3