anchor.diff:                         name = "204-4.5";
                          sha256 = "083z9pbdz3f532fnzg7n2d5wzv6rmqc0f4mvc3mnmkd0rzqw8vcp";
                        })
  +                     (xsaPatch {
  +                       name = "207";
  +                       sha256 = "0wdlhijmw9mdj6a82pyw1rwwiz605dwzjc392zr3fpb2jklrvibc";
  +                     })
                      ];
     };
   
  
positive.code:                   rev = "refs/tags/xen-${version}";
                    sha256 = "0n0ycxlf1wgdjkdl8l2w1i0zzssk55dfv67x8i6b2ima01r0k93r";
                  };
          }
          { git = { name = "xen-libhvm";
                    url = https://github.com/ts468/xen-libhvm;
  
negative.code:         }
        ];
  
        xenPatches = [ ./0001-libxl-Spice-image-compression-setting-support-for-up.patch
                       ./0002-libxl-Spice-streaming-video-setting-support-for-upst.patch
                       ./0003-Add-qxl-vga-interface-support-for-upstream-qem.patch
  