commpage.c 866 B

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  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. #include <linux/errno.h>
  13. #include <linux/err.h>
  14. #include <linux/module.h>
  15. #include <linux/vmalloc.h>
  16. #include <linux/fs.h>
  17. #include <linux/bootmem.h>
  18. #include <asm/page.h>
  19. #include <asm/cacheflush.h>
  20. #include <asm/mmu_context.h>
  21. #include <linux/kvm_host.h>
  22. #include "commpage.h"
  23. void kvm_mips_commpage_init(struct kvm_vcpu *vcpu)
  24. {
  25. struct kvm_mips_commpage *page = vcpu->arch.kseg0_commpage;
  26. /* Specific init values for fields */
  27. vcpu->arch.cop0 = &page->cop0;
  28. }