2 * Copyright (c) 2015 John H. Baldwin <jhb@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
29 #ifndef __KVM_SPARC64_H__
30 #define __KVM_SPARC64_H__
33 #include <sys/queue.h>
34 #include <machine/tlb.h>
35 #include <machine/tte.h>
37 #include <vm/vm_param.h>
40 #define SPARC64_PAGE_SHIFT 13
41 #define SPARC64_PAGE_SIZE (1 << SPARC64_PAGE_SHIFT)
42 #define SPARC64_PAGE_MASK (SPARC64_PAGE_SIZE - 1)
44 #define SPARC64_MIN_DIRECT_ADDRESS (0xfffff80000000000)
46 #define SPARC64_DIRECT_ADDRESS_BITS (43)
47 #define SPARC64_DIRECT_ADDRESS_MASK \
48 (((uint64_t)1 << SPARC64_DIRECT_ADDRESS_BITS) - 1)
50 #define SPARC64_DIRECT_TO_PHYS(va) ((va) & SPARC64_DIRECT_ADDRESS_MASK)
52 #define SPARC64_TTE_SHIFT (5)
54 #define SPARC64_TD_SIZE_SHIFT (61)
55 #define SPARC64_TD_PA_SHIFT (13)
57 #define SPARC64_TD_SIZE_BITS (2)
58 #define SPARC64_TD_PA_CH_BITS (30) /* US-III{,i,+}, US-IV{,+}, SPARC64 V */
59 #define SPARC64_TD_PA_BITS SPARC64_TD_PA_CH_BITS
61 #define SPARC64_TD_SIZE_MASK (((uint64_t)1 << SPARC64_TD_SIZE_BITS) - 1)
62 #define SPARC64_TD_PA_MASK (((uint64_t)1 << SPARC64_TD_PA_BITS) - 1)
64 #define SPARC64_TD_V ((uint64_t)1 << 63)
66 #define SPARC64_TV_SIZE_BITS (SPARC64_TD_SIZE_BITS)
67 #define SPARC64_TV_VPN(va, sz) \
68 ((((va) >> SPARC64_TTE_PAGE_SHIFT(sz)) << SPARC64_TV_SIZE_BITS) | sz)
70 #define SPARC64_TTE_SIZE_SPREAD (3)
71 #define SPARC64_TTE_PAGE_SHIFT(sz) \
72 (SPARC64_PAGE_SHIFT + ((sz) * SPARC64_TTE_SIZE_SPREAD))
74 #define SPARC64_TTE_GET_SIZE(tp) \
75 (((tp)->tte_data >> SPARC64_TD_SIZE_SHIFT) & SPARC64_TD_SIZE_MASK)
77 #define SPARC64_TTE_GET_PA(tp) \
78 ((tp)->tte_data & (SPARC64_TD_PA_MASK << SPARC64_TD_PA_SHIFT))
86 sparc64_tte_match(struct sparc64_tte *tp, kvaddr_t va)
89 return (((tp->tte_data & SPARC64_TD_V) != 0) &&
90 (tp->tte_vpn == SPARC64_TV_VPN(va, SPARC64_TTE_GET_SIZE(tp))));
94 _Static_assert(PAGE_SHIFT == SPARC64_PAGE_SHIFT, "PAGE_SHIFT mismatch");
95 _Static_assert(PAGE_SIZE == SPARC64_PAGE_SIZE, "PAGE_SIZE mismatch");
96 _Static_assert(PAGE_MASK == SPARC64_PAGE_MASK, "PAGE_MASK mismatch");
97 _Static_assert(VM_MIN_DIRECT_ADDRESS == SPARC64_MIN_DIRECT_ADDRESS,
98 "VM_MIN_DIRECT_ADDRESS mismatch");
99 _Static_assert(TLB_DIRECT_ADDRESS_BITS == SPARC64_DIRECT_ADDRESS_BITS,
100 "TLB_DIRECT_ADDRESS_BITS mismatch");
101 _Static_assert(TLB_DIRECT_ADDRESS_MASK == SPARC64_DIRECT_ADDRESS_MASK,
102 "TLB_DIRECT_ADDRESS_MASK mismatch");
103 _Static_assert(TTE_SHIFT == SPARC64_TTE_SHIFT, "TTE_SHIFT mismatch");
104 _Static_assert(TD_SIZE_SHIFT == SPARC64_TD_SIZE_SHIFT,
105 "TD_SIZE_SHIFT mismatch");
106 _Static_assert(TD_PA_SHIFT == SPARC64_TD_PA_SHIFT,
107 "TD_PA_SHIFT mismatch");
108 _Static_assert(TD_SIZE_BITS == SPARC64_TD_SIZE_BITS, "TD_SIZE_BITS mismatch");
109 _Static_assert(TD_PA_BITS == SPARC64_TD_PA_BITS, "TD_PA_BITS mismatch");
110 _Static_assert(TD_SIZE_MASK == SPARC64_TD_SIZE_MASK, "TD_SIZE_MASK mismatch");
111 _Static_assert(TD_PA_MASK == SPARC64_TD_PA_MASK, "TD_PA_MASK mismatch");
112 _Static_assert(TD_V == SPARC64_TD_V, "TD_V mismatch");
113 _Static_assert(TV_SIZE_BITS == SPARC64_TV_SIZE_BITS, "TV_SIZE_BITS mismatch");
114 _Static_assert(TTE_SIZE_SPREAD == SPARC64_TTE_SIZE_SPREAD,
115 "TTE_SIZE_SPREAD mismatch");
118 #endif /* !__KVM_SPARC64_H__ */