# HG changeset patch
# Parent a98b2e22ecbb57fee6b061dee3e3fb264fbf6f4e
Test patch!: Force x86 boot trampoline to be allocated at 0x7c000 instead of EBDA - 64k

diff -r a98b2e22ecbb xen/arch/x86/boot/head.S
--- a/xen/arch/x86/boot/head.S
+++ b/xen/arch/x86/boot/head.S
@@ -77,8 +77,8 @@ gdt_boot_descr:
         cmp     $0x2BADB002,%eax
         jne     not_multiboot
 
-        /* Set up trampoline segment 64k below EBDA */
-        movzwl  0x40e,%eax          /* EBDA segment */
+        /* Hard code trampoline to 0x7c000 */
+        mov     $0x8c00,%eax        /* hardcoded 0x8c00 */
         cmp     $0xa000,%eax        /* sanity check (high) */
         jae     0f
         cmp     $0x4000,%eax        /* sanity check (low) */