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Diffstat (limited to 'arch/x86/xen/enlighten_pvh.c')
-rw-r--r--arch/x86/xen/enlighten_pvh.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/arch/x86/xen/enlighten_pvh.c b/arch/x86/xen/enlighten_pvh.c
index 436c4f003e17..aa1c6a6831a9 100644
--- a/arch/x86/xen/enlighten_pvh.c
+++ b/arch/x86/xen/enlighten_pvh.c
@@ -6,6 +6,7 @@
#include <asm/io_apic.h>
#include <asm/hypervisor.h>
#include <asm/e820/api.h>
+#include <asm/x86_init.h>
#include <asm/xen/interface.h>
#include <asm/xen/hypercall.h>
@@ -16,15 +17,20 @@
/*
* PVH variables.
*
- * xen_pvh and pvh_bootparams need to live in data segment since they
- * are used after startup_{32|64}, which clear .bss, are invoked.
+ * xen_pvh pvh_bootparams and pvh_start_info need to live in data segment
+ * since they are used after startup_{32|64}, which clear .bss, are invoked.
*/
bool xen_pvh __attribute__((section(".data"))) = 0;
struct boot_params pvh_bootparams __attribute__((section(".data")));
+struct hvm_start_info pvh_start_info __attribute__((section(".data")));
-struct hvm_start_info pvh_start_info;
unsigned int pvh_start_info_sz = sizeof(pvh_start_info);
+static u64 pvh_get_root_pointer(void)
+{
+ return pvh_start_info.rsdp_paddr;
+}
+
static void __init init_pvh_bootparams(void)
{
struct xen_memory_map memmap;
@@ -71,6 +77,8 @@ static void __init init_pvh_bootparams(void)
*/
pvh_bootparams.hdr.version = 0x212;
pvh_bootparams.hdr.type_of_loader = (9 << 4) | 0; /* Xen loader */
+
+ x86_init.acpi.get_root_pointer = pvh_get_root_pointer;
}
/*