# HG changeset patch
# User tristan.gingold@xxxxxxxx
# Node ID 0c231aafd1b0e19545b3c2f5bddf08a030c8a7f4
# Parent  911c04274f146588a1a1cbf5176070e82815c99a
Create a dummy IO ports memmap entry for domU, so that IO accesses are trapped
by Xen.  Otherwise, they could pollute memory.

Signed-off-by: Tristan Gingold <tristan.gingold@xxxxxxxx>

diff -r 911c04274f14 -r 0c231aafd1b0 xen/arch/ia64/xen/dom_fw.c
--- a/xen/arch/ia64/xen/dom_fw.c	Tue Mar 14 21:38:22 2006
+++ b/xen/arch/ia64/xen/dom_fw.c	Wed Mar 15 08:18:25 2006
@@ -860,7 +860,10 @@
 		/* hypercall patches live here, masquerade as reserved PAL memory */
 		MAKE_MD(EFI_PAL_CODE,EFI_MEMORY_WB,HYPERCALL_START,HYPERCALL_END, 1);
 		MAKE_MD(EFI_CONVENTIONAL_MEMORY,EFI_MEMORY_WB,HYPERCALL_END,maxmem, 1);
-		MAKE_MD(EFI_RESERVED_TYPE,0,0,0,0);
+		/* Create a dummy entry for IO ports, so that IO accesses are
+		   trapped by Xen.  */
+		MAKE_MD(EFI_MEMORY_MAPPED_IO_PORT_SPACE,EFI_MEMORY_UC,
+			0x00000ffffc000000, 0x00000fffffffffff, 1);
 		MAKE_MD(EFI_RESERVED_TYPE,0,0,0,0);
 	}