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// SPDX-License-Identifier: GPL-2.0
#include <linux/acpi.h>
#include <asm/io_apic.h>
#include <asm/hypervisor.h>
#include <xen/xen.h>
#include <asm/xen/interface.h>
#include <asm/xen/hypercall.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;
void __init xen_pvh_init(void)
{
u32 msr;
u64 pfn;
xen_pvh = 1;
xen_start_flags = pvh_start_info.flags;
msr = cpuid_ebx(xen_cpuid_base() + 2);
pfn = __pa(hypercall_page);
wrmsr_safe(msr, (u32)pfn, (u32)(pfn >> 32));
}
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