[Xen-devel] [PATCH V3 4/6] firmware, Set HVM_PARAM_ACPI_NEW_IOPORT

[anthony.perard@xxxxxxxxxx]

From: Anthony PERARD <anthony.perard@xxxxxxxxxx>

This will tell the Xen to use the new Port I/O instead of the old one.

Signed-off-by: Anthony PERARD <anthony.perard@xxxxxxxxxx>
---
 tools/firmware/hvmloader/hvmloader.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/tools/firmware/hvmloader/hvmloader.c 
b/tools/firmware/hvmloader/hvmloader.c
index cfe026f..28481f0 100644
--- a/tools/firmware/hvmloader/hvmloader.c
+++ b/tools/firmware/hvmloader/hvmloader.c
@@ -763,8 +763,15 @@ int main(void)
 
     if ( hvm_info->acpi_enabled )
     {
+        struct xen_hvm_param p = {
+            .domid = DOMID_SELF,
+            .index = HVM_PARAM_ACPI_NEW_IOPORT,
+            .value = 1,
+        };
+
         printf("Loading ACPI ...\n");
         acpi_build_tables();
+        hypercall_hvm_op(HVMOP_set_param, &p);
     }
 
     init_vm86_tss();
-- 
1.7.1


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