xen/pvh: Create a new file for Xen specific PVH code

We need to refactor PVH entry code so that support for other hypervisors
like Qemu/KVM can be added more easily.

The first step in that direction is to create a new file that will
eventually hold the Xen specific routines.

Signed-off-by: Maran Wilson <maran.wilson@oracle.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
This commit is contained in:
Maran Wilson 2018-12-10 11:08:44 -08:00 committed by Boris Ostrovsky
parent fcd4747698
commit 4df7363e52
3 changed files with 14 additions and 3 deletions

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@ -18,10 +18,9 @@
/*
* PVH variables.
*
* 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.
* pvh_bootparams and pvh_start_info need to live in the 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")));

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@ -36,6 +36,8 @@ obj-$(CONFIG_XEN_PV) += multicalls.o
obj-$(CONFIG_XEN_PV) += xen-asm.o
obj-$(CONFIG_XEN_PV) += xen-asm_$(BITS).o
obj-$(CONFIG_XEN_PVH) += enlighten_pvh.o
obj-$(CONFIG_EVENT_TRACING) += trace.o
obj-$(CONFIG_SMP) += smp.o

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@ -0,0 +1,10 @@
// SPDX-License-Identifier: GPL-2.0
#include <linux/types.h>
/*
* PVH variables.
*
* The variable xen_pvh needs to live in the data segment since it is used
* after startup_{32|64} is invoked, which will clear the .bss segment.
*/
bool xen_pvh __attribute__((section(".data"))) = 0;