1 /*
2  * This file is subject to the terms and conditions of the GNU General Public
3  * License.  See the file "COPYING" in the main directory of this archive
4  * for more details.
5  *
6  * commpage, currently used for Virtual COP0 registers.
7  * Mapped into the guest kernel @ 0x0.
8  *
9  * Copyright (C) 2012  MIPS Technologies, Inc.  All rights reserved.
10  * Authors: Sanjay Lal <sanjayl@kymasys.com>
11  */
12 
13 #include <linux/errno.h>
14 #include <linux/err.h>
15 #include <linux/module.h>
16 #include <linux/vmalloc.h>
17 #include <linux/fs.h>
18 #include <linux/bootmem.h>
19 #include <asm/page.h>
20 #include <asm/cacheflush.h>
21 #include <asm/mmu_context.h>
22 
23 #include <linux/kvm_host.h>
24 
25 #include "commpage.h"
26 
kvm_mips_commpage_init(struct kvm_vcpu * vcpu)27 void kvm_mips_commpage_init(struct kvm_vcpu *vcpu)
28 {
29 	struct kvm_mips_commpage *page = vcpu->arch.kseg0_commpage;
30 
31 	/* Specific init values for fields */
32 	vcpu->arch.cop0 = &page->cop0;
33 }
34