xen/stdvga-cache.patch
Charles Arnold 92ed83b0e8 - Add patches from proposed upstream series to load BIOS's from
the toolstack instead of embedding in hvmloader
  http://lists.xenproject.org/archives/html/xen-devel/2016-03/msg01626.html
  0001-libxc-Rework-extra-module-initialisation.patch,
  0002-libxc-Prepare-a-start-info-structure-for-hvmloader.patch,
  0003-configure-define-SEABIOS_PATH-and-OVMF_PATH.patch,
  0004-firmware-makefile-install-BIOS-blob.patch,
  0005-libxl-Load-guest-BIOS-from-file.patch,
  0006-xen-Move-the-hvm_start_info-C-representation-from-li.patch,
  0007-hvmloader-Grab-the-hvm_start_info-pointer.patch,
  0008-hvmloader-Locate-the-BIOS-blob.patch,
  0009-hvmloader-Check-modules-whereabouts-in-perform_tests.patch,
  0010-hvmloader-Load-SeaBIOS-from-hvm_start_info-modules.patch,
  0011-hvmloader-Load-OVMF-from-modules.patch,
  0012-hvmloader-Specific-bios_load-function-required.patch,
  0013-hvmloader-Always-build-in-SeaBIOS-and-OVMF-loader.patch,
  0014-configure-do-not-depend-on-SEABIOS_PATH-or-OVMF_PATH.patch
- Enable support for UEFI on x86_64 using the ovmf-x86_64-ms.bin
  firmware from qemu-ovmf-x86_64. The firmware is preloaded with
  Microsoft keys to more closely resemble firmware on real hardware
  FATE#320490

OBS-URL: https://build.opensuse.org/package/show/Virtualization/xen?expand=0&rev=416
2016-04-13 19:43:10 +00:00

17 lines
750 B
Diff

Index: xen-4.7.0-testing/xen/arch/x86/hvm/stdvga.c
===================================================================
--- xen-4.7.0-testing.orig/xen/arch/x86/hvm/stdvga.c
+++ xen-4.7.0-testing/xen/arch/x86/hvm/stdvga.c
@@ -167,7 +167,10 @@ static int stdvga_outb(uint64_t addr, ui
/* When in standard vga mode, emulate here all writes to the vram buffer
* so we can immediately satisfy reads without waiting for qemu. */
- s->stdvga = (s->sr[7] == 0x00);
+ s->stdvga =
+ (s->sr[7] == 0x00) && /* standard vga mode */
+ (s->gr[6] == 0x05); /* misc graphics register w/ MemoryMapSelect=1
+ * 0xa0000-0xaffff (64k region), AlphaDis=1 */
if ( !prev_stdvga && s->stdvga )
{