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Diffstat (limited to 'arch/mips/kvm/commpage.c')
| -rw-r--r-- | arch/mips/kvm/commpage.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/mips/kvm/commpage.c b/arch/mips/kvm/commpage.c new file mode 100644 index 000000000..f43629979 --- /dev/null +++ b/arch/mips/kvm/commpage.c @@ -0,0 +1,32 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * commpage, currently used for Virtual COP0 registers. + * Mapped into the guest kernel @ KVM_GUEST_COMMPAGE_ADDR. + * + * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved. + * Authors: Sanjay Lal <sanjayl@kymasys.com> + */ + +#include <linux/errno.h> +#include <linux/err.h> +#include <linux/vmalloc.h> +#include <linux/fs.h> +#include <linux/bootmem.h> +#include <asm/page.h> +#include <asm/cacheflush.h> +#include <asm/mmu_context.h> + +#include <linux/kvm_host.h> + +#include "commpage.h" + +void kvm_mips_commpage_init(struct kvm_vcpu *vcpu) +{ + struct kvm_mips_commpage *page = vcpu->arch.kseg0_commpage; + + /* Specific init values for fields */ + vcpu->arch.cop0 = &page->cop0; +} |