xref: /freebsd/sys/arm64/vmm/mmu.h (revision 47e073941f4e7ca6e9bde3fa65abbfcfed6bfa2b)
1*47e07394SAndrew Turner /*-
2*47e07394SAndrew Turner  * SPDX-License-Identifier: BSD-2-Clause
3*47e07394SAndrew Turner  *
4*47e07394SAndrew Turner  * Copyright (C) 2017 Alexandru Elisei <alexandru.elisei@gmail.com>
5*47e07394SAndrew Turner  *
6*47e07394SAndrew Turner  * This software was developed by Alexandru Elisei under sponsorship
7*47e07394SAndrew Turner  * from the FreeBSD Foundation.
8*47e07394SAndrew Turner  *
9*47e07394SAndrew Turner  * Redistribution and use in source and binary forms, with or without
10*47e07394SAndrew Turner  * modification, are permitted provided that the following conditions
11*47e07394SAndrew Turner  * are met:
12*47e07394SAndrew Turner  * 1. Redistributions of source code must retain the above copyright
13*47e07394SAndrew Turner  *    notice, this list of conditions and the following disclaimer.
14*47e07394SAndrew Turner  * 2. Redistributions in binary form must reproduce the above copyright
15*47e07394SAndrew Turner  *    notice, this list of conditions and the following disclaimer in the
16*47e07394SAndrew Turner  *    documentation and/or other materials provided with the distribution.
17*47e07394SAndrew Turner  *
18*47e07394SAndrew Turner  * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19*47e07394SAndrew Turner  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20*47e07394SAndrew Turner  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21*47e07394SAndrew Turner  * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
22*47e07394SAndrew Turner  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23*47e07394SAndrew Turner  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24*47e07394SAndrew Turner  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25*47e07394SAndrew Turner  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26*47e07394SAndrew Turner  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27*47e07394SAndrew Turner  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28*47e07394SAndrew Turner  * SUCH DAMAGE.
29*47e07394SAndrew Turner  */
30*47e07394SAndrew Turner 
31*47e07394SAndrew Turner #ifndef _VMM_MMU_H_
32*47e07394SAndrew Turner #define	_VMM_MMU_H_
33*47e07394SAndrew Turner 
34*47e07394SAndrew Turner #include <machine/machdep.h>
35*47e07394SAndrew Turner #include <machine/vmparam.h>
36*47e07394SAndrew Turner #include <machine/vmm.h>
37*47e07394SAndrew Turner 
38*47e07394SAndrew Turner #include "hyp.h"
39*47e07394SAndrew Turner 
40*47e07394SAndrew Turner extern char vmm_hyp_code;
41*47e07394SAndrew Turner extern char vmm_hyp_code_end;
42*47e07394SAndrew Turner 
43*47e07394SAndrew Turner extern char _vmm_start;
44*47e07394SAndrew Turner extern char _vmm_end;
45*47e07394SAndrew Turner 
46*47e07394SAndrew Turner bool	vmmpmap_init(void);
47*47e07394SAndrew Turner void	vmmpmap_fini(void);
48*47e07394SAndrew Turner uint64_t vmmpmap_to_ttbr0(void);
49*47e07394SAndrew Turner bool	vmmpmap_enter(vm_offset_t, vm_size_t, vm_paddr_t, vm_prot_t);
50*47e07394SAndrew Turner void	vmmpmap_remove(vm_offset_t, vm_size_t, bool);
51*47e07394SAndrew Turner 
52*47e07394SAndrew Turner #endif
53