From bcb13635fa503113c981c6ea7423f930c1548452 Mon Sep 17 00:00:00 2001
From: Roger Pau Monne <roger.pau@citrix.com>
Date: Mon, 7 Nov 2016 16:32:01 +0100
Subject: [PATCH] libxc: set rsdp pointer for PVHv2 guests
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Set the address of the RSDP in the HVM start info structure for PVHv2 DomUs
that have ACPI tables.

Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>
Release-acked-by: Wei Liu <wei.liu2@citrix.com>
---
 tools/libxc/xc_dom_x86.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/libxc/xc_dom_x86.c b/tools/libxc/xc_dom_x86.c
index 0eab8a74a7..6495e7fc30 100644
--- a/tools/libxc/xc_dom_x86.c
+++ b/tools/libxc/xc_dom_x86.c
@@ -1797,6 +1797,9 @@ static int bootlate_hvm(struct xc_dom_image *dom)
             modlist[0].size = dom->ramdisk_seg.vend - dom->ramdisk_seg.vstart;
             start_info->nr_modules = 1;
         }
+
+        /* ACPI module 0 is the RSDP */
+        start_info->rsdp_paddr = dom->acpi_modules[0].guest_addr_out ? : 0;
     }
     else
     {
-- 
2.30.2