1 files changed, 10 insertions, 0 deletions
diff --git a/target/i386/kvm/xen-emu.c b/target/i386/kvm/xen-emu.c
index c210ff9d91..75bcf7b630 100644
--- a/target/i386/kvm/xen-emu.c
+++ b/target/i386/kvm/xen-emu.c
@@ -23,6 +23,7 @@
 
 #include "hw/pci/msi.h"
 #include "hw/i386/apic-msidef.h"
+#include "hw/i386/e820_memory_layout.h"
 #include "hw/i386/kvm/xen_overlay.h"
 #include "hw/i386/kvm/xen_evtchn.h"
 #include "hw/i386/kvm/xen_gnttab.h"
@@ -169,6 +170,15 @@ int kvm_xen_init(KVMState *s, uint32_t hypercall_msr)
     }
 
     s->xen_caps = xen_caps;
+
+    /* Tell fw_cfg to notify the BIOS to reserve the range. */
+    ret = e820_add_entry(XEN_SPECIAL_AREA_ADDR, XEN_SPECIAL_AREA_SIZE,
+                         E820_RESERVED);
+    if (ret < 0) {
+        fprintf(stderr, "e820_add_entry() table is full\n");
+        return ret;
+    }
+
     return 0;
 }