xref: /freebsd/sys/arm64/include/hypervisor.h (revision 93e779a26c651610ac6e7986d67ecc9ed2cadcbf)
1 /*-
2  * Copyright (c) 2013, 2014 Andrew Turner
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD$
27  */
28 
29 #ifndef _MACHINE_HYPERVISOR_H_
30 #define	_MACHINE_HYPERVISOR_H_
31 
32 /*
33  * These registers are only useful when in hypervisor context,
34  * e.g. specific to EL2, or controlling the hypervisor.
35  */
36 
37 /*
38  * Architecture feature trap register
39  */
40 #define	CPTR_RES0	0x7fefc800
41 #define	CPTR_RES1	0x000033ff
42 #define	CPTR_TFP	0x00000400
43 #define	CPTR_TTA	0x00100000
44 #define	CPTR_TCPAC	0x80000000
45 
46 /*
47  * Hypervisor Config Register
48  */
49 
50 #define	HCR_VM		0x0000000000000001
51 #define	HCR_SWIO	0x0000000000000002
52 #define	HCR_PTW		0x0000000000000004
53 #define	HCR_FMO		0x0000000000000008
54 #define	HCR_IMO		0x0000000000000010
55 #define	HCR_AMO		0x0000000000000020
56 #define	HCR_VF		0x0000000000000040
57 #define	HCR_VI		0x0000000000000080
58 #define	HCR_VSE		0x0000000000000100
59 #define	HCR_FB		0x0000000000000200
60 #define	HCR_BSU_MASK	0x0000000000000c00
61 #define	HCR_DC		0x0000000000001000
62 #define	HCR_TWI		0x0000000000002000
63 #define	HCR_TWE		0x0000000000004000
64 #define	HCR_TID0	0x0000000000008000
65 #define	HCR_TID1	0x0000000000010000
66 #define	HCR_TID2	0x0000000000020000
67 #define	HCR_TID3	0x0000000000040000
68 #define	HCR_TSC		0x0000000000080000
69 #define	HCR_TIDCP	0x0000000000100000
70 #define	HCR_TACR	0x0000000000200000
71 #define	HCR_TSW		0x0000000000400000
72 #define	HCR_TPC		0x0000000000800000
73 #define	HCR_TPU		0x0000000001000000
74 #define	HCR_TTLB	0x0000000002000000
75 #define	HCR_TVM		0x0000000004000000
76 #define	HCR_TGE		0x0000000008000000
77 #define	HCR_TDZ		0x0000000010000000
78 #define	HCR_HCD		0x0000000020000000
79 #define	HCR_TRVM	0x0000000040000000
80 #define	HCR_RW		0x0000000080000000
81 #define	HCR_CD		0x0000000100000000
82 #define	HCR_ID		0x0000000200000000
83 
84 #endif
85 
86