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1 | 093bc2cd | Avi Kivity | /*
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2 | 093bc2cd | Avi Kivity | * Physical memory management
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3 | 093bc2cd | Avi Kivity | *
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4 | 093bc2cd | Avi Kivity | * Copyright 2011 Red Hat, Inc. and/or its affiliates
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5 | 093bc2cd | Avi Kivity | *
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6 | 093bc2cd | Avi Kivity | * Authors:
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7 | 093bc2cd | Avi Kivity | * Avi Kivity <avi@redhat.com>
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8 | 093bc2cd | Avi Kivity | *
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9 | 093bc2cd | Avi Kivity | * This work is licensed under the terms of the GNU GPL, version 2. See
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10 | 093bc2cd | Avi Kivity | * the COPYING file in the top-level directory.
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11 | 093bc2cd | Avi Kivity | *
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12 | 6b620ca3 | Paolo Bonzini | * Contributions after 2012-01-13 are licensed under the terms of the
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13 | 6b620ca3 | Paolo Bonzini | * GNU GPL, version 2 or (at your option) any later version.
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14 | 093bc2cd | Avi Kivity | */
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15 | 093bc2cd | Avi Kivity | |
16 | 093bc2cd | Avi Kivity | #include "memory.h" |
17 | 1c0ffa58 | Avi Kivity | #include "exec-memory.h" |
18 | 658b2224 | Avi Kivity | #include "ioport.h" |
19 | 74901c3b | Avi Kivity | #include "bitops.h" |
20 | 3e9d69e7 | Avi Kivity | #include "kvm.h" |
21 | 093bc2cd | Avi Kivity | #include <assert.h> |
22 | 093bc2cd | Avi Kivity | |
23 | 67d95c15 | Avi Kivity | #define WANT_EXEC_OBSOLETE
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24 | 67d95c15 | Avi Kivity | #include "exec-obsolete.h" |
25 | 67d95c15 | Avi Kivity | |
26 | 4ef4db86 | Avi Kivity | unsigned memory_region_transaction_depth = 0; |
27 | e87c099f | Avi Kivity | static bool memory_region_update_pending = false; |
28 | 7664e80c | Avi Kivity | static bool global_dirty_log = false; |
29 | 7664e80c | Avi Kivity | |
30 | 7664e80c | Avi Kivity | static QLIST_HEAD(, MemoryListener) memory_listeners
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31 | 7664e80c | Avi Kivity | = QLIST_HEAD_INITIALIZER(memory_listeners); |
32 | 4ef4db86 | Avi Kivity | |
33 | 093bc2cd | Avi Kivity | typedef struct AddrRange AddrRange; |
34 | 093bc2cd | Avi Kivity | |
35 | 8417cebf | Avi Kivity | /*
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36 | 8417cebf | Avi Kivity | * Note using signed integers limits us to physical addresses at most
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37 | 8417cebf | Avi Kivity | * 63 bits wide. They are needed for negative offsetting in aliases
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38 | 8417cebf | Avi Kivity | * (large MemoryRegion::alias_offset).
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39 | 8417cebf | Avi Kivity | */
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40 | 093bc2cd | Avi Kivity | struct AddrRange {
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41 | 08dafab4 | Avi Kivity | Int128 start; |
42 | 08dafab4 | Avi Kivity | Int128 size; |
43 | 093bc2cd | Avi Kivity | }; |
44 | 093bc2cd | Avi Kivity | |
45 | 08dafab4 | Avi Kivity | static AddrRange addrrange_make(Int128 start, Int128 size)
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46 | 093bc2cd | Avi Kivity | { |
47 | 093bc2cd | Avi Kivity | return (AddrRange) { start, size };
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48 | 093bc2cd | Avi Kivity | } |
49 | 093bc2cd | Avi Kivity | |
50 | 093bc2cd | Avi Kivity | static bool addrrange_equal(AddrRange r1, AddrRange r2) |
51 | 093bc2cd | Avi Kivity | { |
52 | 08dafab4 | Avi Kivity | return int128_eq(r1.start, r2.start) && int128_eq(r1.size, r2.size);
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53 | 093bc2cd | Avi Kivity | } |
54 | 093bc2cd | Avi Kivity | |
55 | 08dafab4 | Avi Kivity | static Int128 addrrange_end(AddrRange r)
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56 | 093bc2cd | Avi Kivity | { |
57 | 08dafab4 | Avi Kivity | return int128_add(r.start, r.size);
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58 | 093bc2cd | Avi Kivity | } |
59 | 093bc2cd | Avi Kivity | |
60 | 08dafab4 | Avi Kivity | static AddrRange addrrange_shift(AddrRange range, Int128 delta)
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61 | 093bc2cd | Avi Kivity | { |
62 | 08dafab4 | Avi Kivity | int128_addto(&range.start, delta); |
63 | 093bc2cd | Avi Kivity | return range;
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64 | 093bc2cd | Avi Kivity | } |
65 | 093bc2cd | Avi Kivity | |
66 | 08dafab4 | Avi Kivity | static bool addrrange_contains(AddrRange range, Int128 addr) |
67 | 08dafab4 | Avi Kivity | { |
68 | 08dafab4 | Avi Kivity | return int128_ge(addr, range.start)
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69 | 08dafab4 | Avi Kivity | && int128_lt(addr, addrrange_end(range)); |
70 | 08dafab4 | Avi Kivity | } |
71 | 08dafab4 | Avi Kivity | |
72 | 093bc2cd | Avi Kivity | static bool addrrange_intersects(AddrRange r1, AddrRange r2) |
73 | 093bc2cd | Avi Kivity | { |
74 | 08dafab4 | Avi Kivity | return addrrange_contains(r1, r2.start)
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75 | 08dafab4 | Avi Kivity | || addrrange_contains(r2, r1.start); |
76 | 093bc2cd | Avi Kivity | } |
77 | 093bc2cd | Avi Kivity | |
78 | 093bc2cd | Avi Kivity | static AddrRange addrrange_intersection(AddrRange r1, AddrRange r2)
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79 | 093bc2cd | Avi Kivity | { |
80 | 08dafab4 | Avi Kivity | Int128 start = int128_max(r1.start, r2.start); |
81 | 08dafab4 | Avi Kivity | Int128 end = int128_min(addrrange_end(r1), addrrange_end(r2)); |
82 | 08dafab4 | Avi Kivity | return addrrange_make(start, int128_sub(end, start));
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83 | 093bc2cd | Avi Kivity | } |
84 | 093bc2cd | Avi Kivity | |
85 | 093bc2cd | Avi Kivity | struct CoalescedMemoryRange {
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86 | 093bc2cd | Avi Kivity | AddrRange addr; |
87 | 093bc2cd | Avi Kivity | QTAILQ_ENTRY(CoalescedMemoryRange) link; |
88 | 093bc2cd | Avi Kivity | }; |
89 | 093bc2cd | Avi Kivity | |
90 | 3e9d69e7 | Avi Kivity | struct MemoryRegionIoeventfd {
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91 | 3e9d69e7 | Avi Kivity | AddrRange addr; |
92 | 3e9d69e7 | Avi Kivity | bool match_data;
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93 | 3e9d69e7 | Avi Kivity | uint64_t data; |
94 | 3e9d69e7 | Avi Kivity | int fd;
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95 | 3e9d69e7 | Avi Kivity | }; |
96 | 3e9d69e7 | Avi Kivity | |
97 | 3e9d69e7 | Avi Kivity | static bool memory_region_ioeventfd_before(MemoryRegionIoeventfd a, |
98 | 3e9d69e7 | Avi Kivity | MemoryRegionIoeventfd b) |
99 | 3e9d69e7 | Avi Kivity | { |
100 | 08dafab4 | Avi Kivity | if (int128_lt(a.addr.start, b.addr.start)) {
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101 | 3e9d69e7 | Avi Kivity | return true; |
102 | 08dafab4 | Avi Kivity | } else if (int128_gt(a.addr.start, b.addr.start)) { |
103 | 3e9d69e7 | Avi Kivity | return false; |
104 | 08dafab4 | Avi Kivity | } else if (int128_lt(a.addr.size, b.addr.size)) { |
105 | 3e9d69e7 | Avi Kivity | return true; |
106 | 08dafab4 | Avi Kivity | } else if (int128_gt(a.addr.size, b.addr.size)) { |
107 | 3e9d69e7 | Avi Kivity | return false; |
108 | 3e9d69e7 | Avi Kivity | } else if (a.match_data < b.match_data) { |
109 | 3e9d69e7 | Avi Kivity | return true; |
110 | 3e9d69e7 | Avi Kivity | } else if (a.match_data > b.match_data) { |
111 | 3e9d69e7 | Avi Kivity | return false; |
112 | 3e9d69e7 | Avi Kivity | } else if (a.match_data) { |
113 | 3e9d69e7 | Avi Kivity | if (a.data < b.data) {
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114 | 3e9d69e7 | Avi Kivity | return true; |
115 | 3e9d69e7 | Avi Kivity | } else if (a.data > b.data) { |
116 | 3e9d69e7 | Avi Kivity | return false; |
117 | 3e9d69e7 | Avi Kivity | } |
118 | 3e9d69e7 | Avi Kivity | } |
119 | 3e9d69e7 | Avi Kivity | if (a.fd < b.fd) {
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120 | 3e9d69e7 | Avi Kivity | return true; |
121 | 3e9d69e7 | Avi Kivity | } else if (a.fd > b.fd) { |
122 | 3e9d69e7 | Avi Kivity | return false; |
123 | 3e9d69e7 | Avi Kivity | } |
124 | 3e9d69e7 | Avi Kivity | return false; |
125 | 3e9d69e7 | Avi Kivity | } |
126 | 3e9d69e7 | Avi Kivity | |
127 | 3e9d69e7 | Avi Kivity | static bool memory_region_ioeventfd_equal(MemoryRegionIoeventfd a, |
128 | 3e9d69e7 | Avi Kivity | MemoryRegionIoeventfd b) |
129 | 3e9d69e7 | Avi Kivity | { |
130 | 3e9d69e7 | Avi Kivity | return !memory_region_ioeventfd_before(a, b)
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131 | 3e9d69e7 | Avi Kivity | && !memory_region_ioeventfd_before(b, a); |
132 | 3e9d69e7 | Avi Kivity | } |
133 | 3e9d69e7 | Avi Kivity | |
134 | 093bc2cd | Avi Kivity | typedef struct FlatRange FlatRange; |
135 | 093bc2cd | Avi Kivity | typedef struct FlatView FlatView; |
136 | 093bc2cd | Avi Kivity | |
137 | 093bc2cd | Avi Kivity | /* Range of memory in the global map. Addresses are absolute. */
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138 | 093bc2cd | Avi Kivity | struct FlatRange {
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139 | 093bc2cd | Avi Kivity | MemoryRegion *mr; |
140 | 093bc2cd | Avi Kivity | target_phys_addr_t offset_in_region; |
141 | 093bc2cd | Avi Kivity | AddrRange addr; |
142 | 5a583347 | Avi Kivity | uint8_t dirty_log_mask; |
143 | d0a9b5bc | Avi Kivity | bool readable;
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144 | fb1cd6f9 | Avi Kivity | bool readonly;
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145 | 093bc2cd | Avi Kivity | }; |
146 | 093bc2cd | Avi Kivity | |
147 | 093bc2cd | Avi Kivity | /* Flattened global view of current active memory hierarchy. Kept in sorted
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148 | 093bc2cd | Avi Kivity | * order.
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149 | 093bc2cd | Avi Kivity | */
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150 | 093bc2cd | Avi Kivity | struct FlatView {
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151 | 093bc2cd | Avi Kivity | FlatRange *ranges; |
152 | 093bc2cd | Avi Kivity | unsigned nr;
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153 | 093bc2cd | Avi Kivity | unsigned nr_allocated;
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154 | 093bc2cd | Avi Kivity | }; |
155 | 093bc2cd | Avi Kivity | |
156 | cc31e6e7 | Avi Kivity | typedef struct AddressSpace AddressSpace; |
157 | cc31e6e7 | Avi Kivity | typedef struct AddressSpaceOps AddressSpaceOps; |
158 | cc31e6e7 | Avi Kivity | |
159 | cc31e6e7 | Avi Kivity | /* A system address space - I/O, memory, etc. */
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160 | cc31e6e7 | Avi Kivity | struct AddressSpace {
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161 | cc31e6e7 | Avi Kivity | const AddressSpaceOps *ops;
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162 | cc31e6e7 | Avi Kivity | MemoryRegion *root; |
163 | cc31e6e7 | Avi Kivity | FlatView current_map; |
164 | 3e9d69e7 | Avi Kivity | int ioeventfd_nb;
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165 | 3e9d69e7 | Avi Kivity | MemoryRegionIoeventfd *ioeventfds; |
166 | cc31e6e7 | Avi Kivity | }; |
167 | cc31e6e7 | Avi Kivity | |
168 | cc31e6e7 | Avi Kivity | struct AddressSpaceOps {
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169 | cc31e6e7 | Avi Kivity | void (*range_add)(AddressSpace *as, FlatRange *fr);
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170 | cc31e6e7 | Avi Kivity | void (*range_del)(AddressSpace *as, FlatRange *fr);
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171 | cc31e6e7 | Avi Kivity | void (*log_start)(AddressSpace *as, FlatRange *fr);
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172 | cc31e6e7 | Avi Kivity | void (*log_stop)(AddressSpace *as, FlatRange *fr);
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173 | 3e9d69e7 | Avi Kivity | void (*ioeventfd_add)(AddressSpace *as, MemoryRegionIoeventfd *fd);
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174 | 3e9d69e7 | Avi Kivity | void (*ioeventfd_del)(AddressSpace *as, MemoryRegionIoeventfd *fd);
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175 | cc31e6e7 | Avi Kivity | }; |
176 | cc31e6e7 | Avi Kivity | |
177 | 093bc2cd | Avi Kivity | #define FOR_EACH_FLAT_RANGE(var, view) \
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178 | 093bc2cd | Avi Kivity | for (var = (view)->ranges; var < (view)->ranges + (view)->nr; ++var)
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179 | 093bc2cd | Avi Kivity | |
180 | 093bc2cd | Avi Kivity | static bool flatrange_equal(FlatRange *a, FlatRange *b) |
181 | 093bc2cd | Avi Kivity | { |
182 | 093bc2cd | Avi Kivity | return a->mr == b->mr
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183 | 093bc2cd | Avi Kivity | && addrrange_equal(a->addr, b->addr) |
184 | d0a9b5bc | Avi Kivity | && a->offset_in_region == b->offset_in_region |
185 | fb1cd6f9 | Avi Kivity | && a->readable == b->readable |
186 | fb1cd6f9 | Avi Kivity | && a->readonly == b->readonly; |
187 | 093bc2cd | Avi Kivity | } |
188 | 093bc2cd | Avi Kivity | |
189 | 093bc2cd | Avi Kivity | static void flatview_init(FlatView *view) |
190 | 093bc2cd | Avi Kivity | { |
191 | 093bc2cd | Avi Kivity | view->ranges = NULL;
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192 | 093bc2cd | Avi Kivity | view->nr = 0;
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193 | 093bc2cd | Avi Kivity | view->nr_allocated = 0;
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194 | 093bc2cd | Avi Kivity | } |
195 | 093bc2cd | Avi Kivity | |
196 | 093bc2cd | Avi Kivity | /* Insert a range into a given position. Caller is responsible for maintaining
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197 | 093bc2cd | Avi Kivity | * sorting order.
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198 | 093bc2cd | Avi Kivity | */
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199 | 093bc2cd | Avi Kivity | static void flatview_insert(FlatView *view, unsigned pos, FlatRange *range) |
200 | 093bc2cd | Avi Kivity | { |
201 | 093bc2cd | Avi Kivity | if (view->nr == view->nr_allocated) {
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202 | 093bc2cd | Avi Kivity | view->nr_allocated = MAX(2 * view->nr, 10); |
203 | 7267c094 | Anthony Liguori | view->ranges = g_realloc(view->ranges, |
204 | 093bc2cd | Avi Kivity | view->nr_allocated * sizeof(*view->ranges));
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205 | 093bc2cd | Avi Kivity | } |
206 | 093bc2cd | Avi Kivity | memmove(view->ranges + pos + 1, view->ranges + pos,
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207 | 093bc2cd | Avi Kivity | (view->nr - pos) * sizeof(FlatRange));
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208 | 093bc2cd | Avi Kivity | view->ranges[pos] = *range; |
209 | 093bc2cd | Avi Kivity | ++view->nr; |
210 | 093bc2cd | Avi Kivity | } |
211 | 093bc2cd | Avi Kivity | |
212 | 093bc2cd | Avi Kivity | static void flatview_destroy(FlatView *view) |
213 | 093bc2cd | Avi Kivity | { |
214 | 7267c094 | Anthony Liguori | g_free(view->ranges); |
215 | 093bc2cd | Avi Kivity | } |
216 | 093bc2cd | Avi Kivity | |
217 | 3d8e6bf9 | Avi Kivity | static bool can_merge(FlatRange *r1, FlatRange *r2) |
218 | 3d8e6bf9 | Avi Kivity | { |
219 | 08dafab4 | Avi Kivity | return int128_eq(addrrange_end(r1->addr), r2->addr.start)
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220 | 3d8e6bf9 | Avi Kivity | && r1->mr == r2->mr |
221 | 08dafab4 | Avi Kivity | && int128_eq(int128_add(int128_make64(r1->offset_in_region), |
222 | 08dafab4 | Avi Kivity | r1->addr.size), |
223 | 08dafab4 | Avi Kivity | int128_make64(r2->offset_in_region)) |
224 | d0a9b5bc | Avi Kivity | && r1->dirty_log_mask == r2->dirty_log_mask |
225 | fb1cd6f9 | Avi Kivity | && r1->readable == r2->readable |
226 | fb1cd6f9 | Avi Kivity | && r1->readonly == r2->readonly; |
227 | 3d8e6bf9 | Avi Kivity | } |
228 | 3d8e6bf9 | Avi Kivity | |
229 | 3d8e6bf9 | Avi Kivity | /* Attempt to simplify a view by merging ajacent ranges */
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230 | 3d8e6bf9 | Avi Kivity | static void flatview_simplify(FlatView *view) |
231 | 3d8e6bf9 | Avi Kivity | { |
232 | 3d8e6bf9 | Avi Kivity | unsigned i, j;
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233 | 3d8e6bf9 | Avi Kivity | |
234 | 3d8e6bf9 | Avi Kivity | i = 0;
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235 | 3d8e6bf9 | Avi Kivity | while (i < view->nr) {
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236 | 3d8e6bf9 | Avi Kivity | j = i + 1;
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237 | 3d8e6bf9 | Avi Kivity | while (j < view->nr
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238 | 3d8e6bf9 | Avi Kivity | && can_merge(&view->ranges[j-1], &view->ranges[j])) {
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239 | 08dafab4 | Avi Kivity | int128_addto(&view->ranges[i].addr.size, view->ranges[j].addr.size); |
240 | 3d8e6bf9 | Avi Kivity | ++j; |
241 | 3d8e6bf9 | Avi Kivity | } |
242 | 3d8e6bf9 | Avi Kivity | ++i; |
243 | 3d8e6bf9 | Avi Kivity | memmove(&view->ranges[i], &view->ranges[j], |
244 | 3d8e6bf9 | Avi Kivity | (view->nr - j) * sizeof(view->ranges[j]));
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245 | 3d8e6bf9 | Avi Kivity | view->nr -= j - i; |
246 | 3d8e6bf9 | Avi Kivity | } |
247 | 3d8e6bf9 | Avi Kivity | } |
248 | 3d8e6bf9 | Avi Kivity | |
249 | 164a4dcd | Avi Kivity | static void memory_region_read_accessor(void *opaque, |
250 | 164a4dcd | Avi Kivity | target_phys_addr_t addr, |
251 | 164a4dcd | Avi Kivity | uint64_t *value, |
252 | 164a4dcd | Avi Kivity | unsigned size,
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253 | 164a4dcd | Avi Kivity | unsigned shift,
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254 | 164a4dcd | Avi Kivity | uint64_t mask) |
255 | 164a4dcd | Avi Kivity | { |
256 | 164a4dcd | Avi Kivity | MemoryRegion *mr = opaque; |
257 | 164a4dcd | Avi Kivity | uint64_t tmp; |
258 | 164a4dcd | Avi Kivity | |
259 | 164a4dcd | Avi Kivity | tmp = mr->ops->read(mr->opaque, addr, size); |
260 | 164a4dcd | Avi Kivity | *value |= (tmp & mask) << shift; |
261 | 164a4dcd | Avi Kivity | } |
262 | 164a4dcd | Avi Kivity | |
263 | 164a4dcd | Avi Kivity | static void memory_region_write_accessor(void *opaque, |
264 | 164a4dcd | Avi Kivity | target_phys_addr_t addr, |
265 | 164a4dcd | Avi Kivity | uint64_t *value, |
266 | 164a4dcd | Avi Kivity | unsigned size,
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267 | 164a4dcd | Avi Kivity | unsigned shift,
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268 | 164a4dcd | Avi Kivity | uint64_t mask) |
269 | 164a4dcd | Avi Kivity | { |
270 | 164a4dcd | Avi Kivity | MemoryRegion *mr = opaque; |
271 | 164a4dcd | Avi Kivity | uint64_t tmp; |
272 | 164a4dcd | Avi Kivity | |
273 | 164a4dcd | Avi Kivity | tmp = (*value >> shift) & mask; |
274 | 164a4dcd | Avi Kivity | mr->ops->write(mr->opaque, addr, tmp, size); |
275 | 164a4dcd | Avi Kivity | } |
276 | 164a4dcd | Avi Kivity | |
277 | 164a4dcd | Avi Kivity | static void access_with_adjusted_size(target_phys_addr_t addr, |
278 | 164a4dcd | Avi Kivity | uint64_t *value, |
279 | 164a4dcd | Avi Kivity | unsigned size,
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280 | 164a4dcd | Avi Kivity | unsigned access_size_min,
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281 | 164a4dcd | Avi Kivity | unsigned access_size_max,
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282 | 164a4dcd | Avi Kivity | void (*access)(void *opaque, |
283 | 164a4dcd | Avi Kivity | target_phys_addr_t addr, |
284 | 164a4dcd | Avi Kivity | uint64_t *value, |
285 | 164a4dcd | Avi Kivity | unsigned size,
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286 | 164a4dcd | Avi Kivity | unsigned shift,
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287 | 164a4dcd | Avi Kivity | uint64_t mask), |
288 | 164a4dcd | Avi Kivity | void *opaque)
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289 | 164a4dcd | Avi Kivity | { |
290 | 164a4dcd | Avi Kivity | uint64_t access_mask; |
291 | 164a4dcd | Avi Kivity | unsigned access_size;
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292 | 164a4dcd | Avi Kivity | unsigned i;
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293 | 164a4dcd | Avi Kivity | |
294 | 164a4dcd | Avi Kivity | if (!access_size_min) {
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295 | 164a4dcd | Avi Kivity | access_size_min = 1;
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296 | 164a4dcd | Avi Kivity | } |
297 | 164a4dcd | Avi Kivity | if (!access_size_max) {
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298 | 164a4dcd | Avi Kivity | access_size_max = 4;
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299 | 164a4dcd | Avi Kivity | } |
300 | 164a4dcd | Avi Kivity | access_size = MAX(MIN(size, access_size_max), access_size_min); |
301 | 164a4dcd | Avi Kivity | access_mask = -1ULL >> (64 - access_size * 8); |
302 | 164a4dcd | Avi Kivity | for (i = 0; i < size; i += access_size) { |
303 | 164a4dcd | Avi Kivity | /* FIXME: big-endian support */
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304 | 164a4dcd | Avi Kivity | access(opaque, addr + i, value, access_size, i * 8, access_mask);
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305 | 164a4dcd | Avi Kivity | } |
306 | 164a4dcd | Avi Kivity | } |
307 | 164a4dcd | Avi Kivity | |
308 | cc31e6e7 | Avi Kivity | static void as_memory_range_add(AddressSpace *as, FlatRange *fr) |
309 | cc31e6e7 | Avi Kivity | { |
310 | dd81124b | Avi Kivity | MemoryRegionSection section = { |
311 | dd81124b | Avi Kivity | .mr = fr->mr, |
312 | dd81124b | Avi Kivity | .offset_within_address_space = int128_get64(fr->addr.start), |
313 | dd81124b | Avi Kivity | .offset_within_region = fr->offset_in_region, |
314 | dd81124b | Avi Kivity | .size = int128_get64(fr->addr.size), |
315 | dd81124b | Avi Kivity | }; |
316 | dd81124b | Avi Kivity | |
317 | dd81124b | Avi Kivity | cpu_register_physical_memory_log(§ion, fr->readable, fr->readonly); |
318 | cc31e6e7 | Avi Kivity | } |
319 | cc31e6e7 | Avi Kivity | |
320 | cc31e6e7 | Avi Kivity | static void as_memory_range_del(AddressSpace *as, FlatRange *fr) |
321 | cc31e6e7 | Avi Kivity | { |
322 | dd81124b | Avi Kivity | MemoryRegionSection section = { |
323 | dd81124b | Avi Kivity | .mr = &io_mem_unassigned, |
324 | dd81124b | Avi Kivity | .offset_within_address_space = int128_get64(fr->addr.start), |
325 | dd81124b | Avi Kivity | .offset_within_region = int128_get64(fr->addr.start), |
326 | dd81124b | Avi Kivity | .size = int128_get64(fr->addr.size), |
327 | dd81124b | Avi Kivity | }; |
328 | dd81124b | Avi Kivity | |
329 | dd81124b | Avi Kivity | cpu_register_physical_memory_log(§ion, true, false); |
330 | cc31e6e7 | Avi Kivity | } |
331 | cc31e6e7 | Avi Kivity | |
332 | cc31e6e7 | Avi Kivity | static void as_memory_log_start(AddressSpace *as, FlatRange *fr) |
333 | cc31e6e7 | Avi Kivity | { |
334 | cc31e6e7 | Avi Kivity | } |
335 | cc31e6e7 | Avi Kivity | |
336 | cc31e6e7 | Avi Kivity | static void as_memory_log_stop(AddressSpace *as, FlatRange *fr) |
337 | cc31e6e7 | Avi Kivity | { |
338 | cc31e6e7 | Avi Kivity | } |
339 | cc31e6e7 | Avi Kivity | |
340 | 3e9d69e7 | Avi Kivity | static void as_memory_ioeventfd_add(AddressSpace *as, MemoryRegionIoeventfd *fd) |
341 | 3e9d69e7 | Avi Kivity | { |
342 | 3e9d69e7 | Avi Kivity | int r;
|
343 | 3e9d69e7 | Avi Kivity | |
344 | 08dafab4 | Avi Kivity | assert(fd->match_data && int128_get64(fd->addr.size) == 4);
|
345 | 3e9d69e7 | Avi Kivity | |
346 | 08dafab4 | Avi Kivity | r = kvm_set_ioeventfd_mmio_long(fd->fd, int128_get64(fd->addr.start), |
347 | 08dafab4 | Avi Kivity | fd->data, true);
|
348 | 3e9d69e7 | Avi Kivity | if (r < 0) { |
349 | 3e9d69e7 | Avi Kivity | abort(); |
350 | 3e9d69e7 | Avi Kivity | } |
351 | 3e9d69e7 | Avi Kivity | } |
352 | 3e9d69e7 | Avi Kivity | |
353 | 3e9d69e7 | Avi Kivity | static void as_memory_ioeventfd_del(AddressSpace *as, MemoryRegionIoeventfd *fd) |
354 | 3e9d69e7 | Avi Kivity | { |
355 | 3e9d69e7 | Avi Kivity | int r;
|
356 | 3e9d69e7 | Avi Kivity | |
357 | 08dafab4 | Avi Kivity | r = kvm_set_ioeventfd_mmio_long(fd->fd, int128_get64(fd->addr.start), |
358 | 08dafab4 | Avi Kivity | fd->data, false);
|
359 | 3e9d69e7 | Avi Kivity | if (r < 0) { |
360 | 3e9d69e7 | Avi Kivity | abort(); |
361 | 3e9d69e7 | Avi Kivity | } |
362 | 3e9d69e7 | Avi Kivity | } |
363 | 3e9d69e7 | Avi Kivity | |
364 | cc31e6e7 | Avi Kivity | static const AddressSpaceOps address_space_ops_memory = { |
365 | cc31e6e7 | Avi Kivity | .range_add = as_memory_range_add, |
366 | cc31e6e7 | Avi Kivity | .range_del = as_memory_range_del, |
367 | cc31e6e7 | Avi Kivity | .log_start = as_memory_log_start, |
368 | cc31e6e7 | Avi Kivity | .log_stop = as_memory_log_stop, |
369 | 3e9d69e7 | Avi Kivity | .ioeventfd_add = as_memory_ioeventfd_add, |
370 | 3e9d69e7 | Avi Kivity | .ioeventfd_del = as_memory_ioeventfd_del, |
371 | cc31e6e7 | Avi Kivity | }; |
372 | cc31e6e7 | Avi Kivity | |
373 | cc31e6e7 | Avi Kivity | static AddressSpace address_space_memory = {
|
374 | cc31e6e7 | Avi Kivity | .ops = &address_space_ops_memory, |
375 | cc31e6e7 | Avi Kivity | }; |
376 | cc31e6e7 | Avi Kivity | |
377 | 627a0e90 | Avi Kivity | static const MemoryRegionPortio *find_portio(MemoryRegion *mr, uint64_t offset, |
378 | 627a0e90 | Avi Kivity | unsigned width, bool write) |
379 | 627a0e90 | Avi Kivity | { |
380 | 627a0e90 | Avi Kivity | const MemoryRegionPortio *mrp;
|
381 | 627a0e90 | Avi Kivity | |
382 | 627a0e90 | Avi Kivity | for (mrp = mr->ops->old_portio; mrp->size; ++mrp) {
|
383 | 627a0e90 | Avi Kivity | if (offset >= mrp->offset && offset < mrp->offset + mrp->len
|
384 | 627a0e90 | Avi Kivity | && width == mrp->size |
385 | 627a0e90 | Avi Kivity | && (write ? (bool)mrp->write : (bool)mrp->read)) { |
386 | 627a0e90 | Avi Kivity | return mrp;
|
387 | 627a0e90 | Avi Kivity | } |
388 | 627a0e90 | Avi Kivity | } |
389 | 627a0e90 | Avi Kivity | return NULL; |
390 | 627a0e90 | Avi Kivity | } |
391 | 627a0e90 | Avi Kivity | |
392 | 658b2224 | Avi Kivity | static void memory_region_iorange_read(IORange *iorange, |
393 | 658b2224 | Avi Kivity | uint64_t offset, |
394 | 658b2224 | Avi Kivity | unsigned width,
|
395 | 658b2224 | Avi Kivity | uint64_t *data) |
396 | 658b2224 | Avi Kivity | { |
397 | 658b2224 | Avi Kivity | MemoryRegion *mr = container_of(iorange, MemoryRegion, iorange); |
398 | 658b2224 | Avi Kivity | |
399 | 627a0e90 | Avi Kivity | if (mr->ops->old_portio) {
|
400 | 627a0e90 | Avi Kivity | const MemoryRegionPortio *mrp = find_portio(mr, offset, width, false); |
401 | 627a0e90 | Avi Kivity | |
402 | 627a0e90 | Avi Kivity | *data = ((uint64_t)1 << (width * 8)) - 1; |
403 | 627a0e90 | Avi Kivity | if (mrp) {
|
404 | 6bf9fd43 | Avi Kivity | *data = mrp->read(mr->opaque, offset + mr->offset); |
405 | 03808f58 | Jan Kiszka | } else if (width == 2) { |
406 | 03808f58 | Jan Kiszka | mrp = find_portio(mr, offset, 1, false); |
407 | 03808f58 | Jan Kiszka | assert(mrp); |
408 | 03808f58 | Jan Kiszka | *data = mrp->read(mr->opaque, offset + mr->offset) | |
409 | 03808f58 | Jan Kiszka | (mrp->read(mr->opaque, offset + mr->offset + 1) << 8); |
410 | 627a0e90 | Avi Kivity | } |
411 | 627a0e90 | Avi Kivity | return;
|
412 | 627a0e90 | Avi Kivity | } |
413 | 3a130f4e | Avi Kivity | *data = 0;
|
414 | 6bf9fd43 | Avi Kivity | access_with_adjusted_size(offset + mr->offset, data, width, |
415 | 3a130f4e | Avi Kivity | mr->ops->impl.min_access_size, |
416 | 3a130f4e | Avi Kivity | mr->ops->impl.max_access_size, |
417 | 3a130f4e | Avi Kivity | memory_region_read_accessor, mr); |
418 | 658b2224 | Avi Kivity | } |
419 | 658b2224 | Avi Kivity | |
420 | 658b2224 | Avi Kivity | static void memory_region_iorange_write(IORange *iorange, |
421 | 658b2224 | Avi Kivity | uint64_t offset, |
422 | 658b2224 | Avi Kivity | unsigned width,
|
423 | 658b2224 | Avi Kivity | uint64_t data) |
424 | 658b2224 | Avi Kivity | { |
425 | 658b2224 | Avi Kivity | MemoryRegion *mr = container_of(iorange, MemoryRegion, iorange); |
426 | 658b2224 | Avi Kivity | |
427 | 627a0e90 | Avi Kivity | if (mr->ops->old_portio) {
|
428 | 627a0e90 | Avi Kivity | const MemoryRegionPortio *mrp = find_portio(mr, offset, width, true); |
429 | 627a0e90 | Avi Kivity | |
430 | 627a0e90 | Avi Kivity | if (mrp) {
|
431 | 6bf9fd43 | Avi Kivity | mrp->write(mr->opaque, offset + mr->offset, data); |
432 | 03808f58 | Jan Kiszka | } else if (width == 2) { |
433 | 03808f58 | Jan Kiszka | mrp = find_portio(mr, offset, 1, false); |
434 | 03808f58 | Jan Kiszka | assert(mrp); |
435 | 03808f58 | Jan Kiszka | mrp->write(mr->opaque, offset + mr->offset, data & 0xff);
|
436 | 03808f58 | Jan Kiszka | mrp->write(mr->opaque, offset + mr->offset + 1, data >> 8); |
437 | 627a0e90 | Avi Kivity | } |
438 | 627a0e90 | Avi Kivity | return;
|
439 | 627a0e90 | Avi Kivity | } |
440 | 6bf9fd43 | Avi Kivity | access_with_adjusted_size(offset + mr->offset, &data, width, |
441 | 3a130f4e | Avi Kivity | mr->ops->impl.min_access_size, |
442 | 3a130f4e | Avi Kivity | mr->ops->impl.max_access_size, |
443 | 3a130f4e | Avi Kivity | memory_region_write_accessor, mr); |
444 | 658b2224 | Avi Kivity | } |
445 | 658b2224 | Avi Kivity | |
446 | 658b2224 | Avi Kivity | static const IORangeOps memory_region_iorange_ops = { |
447 | 658b2224 | Avi Kivity | .read = memory_region_iorange_read, |
448 | 658b2224 | Avi Kivity | .write = memory_region_iorange_write, |
449 | 658b2224 | Avi Kivity | }; |
450 | 658b2224 | Avi Kivity | |
451 | 658b2224 | Avi Kivity | static void as_io_range_add(AddressSpace *as, FlatRange *fr) |
452 | 658b2224 | Avi Kivity | { |
453 | 658b2224 | Avi Kivity | iorange_init(&fr->mr->iorange, &memory_region_iorange_ops, |
454 | 08dafab4 | Avi Kivity | int128_get64(fr->addr.start), int128_get64(fr->addr.size)); |
455 | 658b2224 | Avi Kivity | ioport_register(&fr->mr->iorange); |
456 | 658b2224 | Avi Kivity | } |
457 | 658b2224 | Avi Kivity | |
458 | 658b2224 | Avi Kivity | static void as_io_range_del(AddressSpace *as, FlatRange *fr) |
459 | 658b2224 | Avi Kivity | { |
460 | 08dafab4 | Avi Kivity | isa_unassign_ioport(int128_get64(fr->addr.start), |
461 | 08dafab4 | Avi Kivity | int128_get64(fr->addr.size)); |
462 | 658b2224 | Avi Kivity | } |
463 | 658b2224 | Avi Kivity | |
464 | 3e9d69e7 | Avi Kivity | static void as_io_ioeventfd_add(AddressSpace *as, MemoryRegionIoeventfd *fd) |
465 | 3e9d69e7 | Avi Kivity | { |
466 | 3e9d69e7 | Avi Kivity | int r;
|
467 | 3e9d69e7 | Avi Kivity | |
468 | 08dafab4 | Avi Kivity | assert(fd->match_data && int128_get64(fd->addr.size) == 2);
|
469 | 3e9d69e7 | Avi Kivity | |
470 | 08dafab4 | Avi Kivity | r = kvm_set_ioeventfd_pio_word(fd->fd, int128_get64(fd->addr.start), |
471 | 08dafab4 | Avi Kivity | fd->data, true);
|
472 | 3e9d69e7 | Avi Kivity | if (r < 0) { |
473 | 3e9d69e7 | Avi Kivity | abort(); |
474 | 3e9d69e7 | Avi Kivity | } |
475 | 3e9d69e7 | Avi Kivity | } |
476 | 3e9d69e7 | Avi Kivity | |
477 | 3e9d69e7 | Avi Kivity | static void as_io_ioeventfd_del(AddressSpace *as, MemoryRegionIoeventfd *fd) |
478 | 3e9d69e7 | Avi Kivity | { |
479 | 3e9d69e7 | Avi Kivity | int r;
|
480 | 3e9d69e7 | Avi Kivity | |
481 | 08dafab4 | Avi Kivity | r = kvm_set_ioeventfd_pio_word(fd->fd, int128_get64(fd->addr.start), |
482 | 08dafab4 | Avi Kivity | fd->data, false);
|
483 | 3e9d69e7 | Avi Kivity | if (r < 0) { |
484 | 3e9d69e7 | Avi Kivity | abort(); |
485 | 3e9d69e7 | Avi Kivity | } |
486 | 3e9d69e7 | Avi Kivity | } |
487 | 3e9d69e7 | Avi Kivity | |
488 | 658b2224 | Avi Kivity | static const AddressSpaceOps address_space_ops_io = { |
489 | 658b2224 | Avi Kivity | .range_add = as_io_range_add, |
490 | 658b2224 | Avi Kivity | .range_del = as_io_range_del, |
491 | 3e9d69e7 | Avi Kivity | .ioeventfd_add = as_io_ioeventfd_add, |
492 | 3e9d69e7 | Avi Kivity | .ioeventfd_del = as_io_ioeventfd_del, |
493 | 658b2224 | Avi Kivity | }; |
494 | 658b2224 | Avi Kivity | |
495 | 658b2224 | Avi Kivity | static AddressSpace address_space_io = {
|
496 | 658b2224 | Avi Kivity | .ops = &address_space_ops_io, |
497 | 658b2224 | Avi Kivity | }; |
498 | 658b2224 | Avi Kivity | |
499 | e2177955 | Avi Kivity | static AddressSpace *memory_region_to_address_space(MemoryRegion *mr)
|
500 | e2177955 | Avi Kivity | { |
501 | e2177955 | Avi Kivity | while (mr->parent) {
|
502 | e2177955 | Avi Kivity | mr = mr->parent; |
503 | e2177955 | Avi Kivity | } |
504 | e2177955 | Avi Kivity | if (mr == address_space_memory.root) {
|
505 | e2177955 | Avi Kivity | return &address_space_memory;
|
506 | e2177955 | Avi Kivity | } |
507 | e2177955 | Avi Kivity | if (mr == address_space_io.root) {
|
508 | e2177955 | Avi Kivity | return &address_space_io;
|
509 | e2177955 | Avi Kivity | } |
510 | e2177955 | Avi Kivity | abort(); |
511 | e2177955 | Avi Kivity | } |
512 | e2177955 | Avi Kivity | |
513 | 093bc2cd | Avi Kivity | /* Render a memory region into the global view. Ranges in @view obscure
|
514 | 093bc2cd | Avi Kivity | * ranges in @mr.
|
515 | 093bc2cd | Avi Kivity | */
|
516 | 093bc2cd | Avi Kivity | static void render_memory_region(FlatView *view, |
517 | 093bc2cd | Avi Kivity | MemoryRegion *mr, |
518 | 08dafab4 | Avi Kivity | Int128 base, |
519 | fb1cd6f9 | Avi Kivity | AddrRange clip, |
520 | fb1cd6f9 | Avi Kivity | bool readonly)
|
521 | 093bc2cd | Avi Kivity | { |
522 | 093bc2cd | Avi Kivity | MemoryRegion *subregion; |
523 | 093bc2cd | Avi Kivity | unsigned i;
|
524 | 093bc2cd | Avi Kivity | target_phys_addr_t offset_in_region; |
525 | 08dafab4 | Avi Kivity | Int128 remain; |
526 | 08dafab4 | Avi Kivity | Int128 now; |
527 | 093bc2cd | Avi Kivity | FlatRange fr; |
528 | 093bc2cd | Avi Kivity | AddrRange tmp; |
529 | 093bc2cd | Avi Kivity | |
530 | 6bba19ba | Avi Kivity | if (!mr->enabled) {
|
531 | 6bba19ba | Avi Kivity | return;
|
532 | 6bba19ba | Avi Kivity | } |
533 | 6bba19ba | Avi Kivity | |
534 | 08dafab4 | Avi Kivity | int128_addto(&base, int128_make64(mr->addr)); |
535 | fb1cd6f9 | Avi Kivity | readonly |= mr->readonly; |
536 | 093bc2cd | Avi Kivity | |
537 | 093bc2cd | Avi Kivity | tmp = addrrange_make(base, mr->size); |
538 | 093bc2cd | Avi Kivity | |
539 | 093bc2cd | Avi Kivity | if (!addrrange_intersects(tmp, clip)) {
|
540 | 093bc2cd | Avi Kivity | return;
|
541 | 093bc2cd | Avi Kivity | } |
542 | 093bc2cd | Avi Kivity | |
543 | 093bc2cd | Avi Kivity | clip = addrrange_intersection(tmp, clip); |
544 | 093bc2cd | Avi Kivity | |
545 | 093bc2cd | Avi Kivity | if (mr->alias) {
|
546 | 08dafab4 | Avi Kivity | int128_subfrom(&base, int128_make64(mr->alias->addr)); |
547 | 08dafab4 | Avi Kivity | int128_subfrom(&base, int128_make64(mr->alias_offset)); |
548 | fb1cd6f9 | Avi Kivity | render_memory_region(view, mr->alias, base, clip, readonly); |
549 | 093bc2cd | Avi Kivity | return;
|
550 | 093bc2cd | Avi Kivity | } |
551 | 093bc2cd | Avi Kivity | |
552 | 093bc2cd | Avi Kivity | /* Render subregions in priority order. */
|
553 | 093bc2cd | Avi Kivity | QTAILQ_FOREACH(subregion, &mr->subregions, subregions_link) { |
554 | fb1cd6f9 | Avi Kivity | render_memory_region(view, subregion, base, clip, readonly); |
555 | 093bc2cd | Avi Kivity | } |
556 | 093bc2cd | Avi Kivity | |
557 | 14a3c10a | Avi Kivity | if (!mr->terminates) {
|
558 | 093bc2cd | Avi Kivity | return;
|
559 | 093bc2cd | Avi Kivity | } |
560 | 093bc2cd | Avi Kivity | |
561 | 08dafab4 | Avi Kivity | offset_in_region = int128_get64(int128_sub(clip.start, base)); |
562 | 093bc2cd | Avi Kivity | base = clip.start; |
563 | 093bc2cd | Avi Kivity | remain = clip.size; |
564 | 093bc2cd | Avi Kivity | |
565 | 093bc2cd | Avi Kivity | /* Render the region itself into any gaps left by the current view. */
|
566 | 08dafab4 | Avi Kivity | for (i = 0; i < view->nr && int128_nz(remain); ++i) { |
567 | 08dafab4 | Avi Kivity | if (int128_ge(base, addrrange_end(view->ranges[i].addr))) {
|
568 | 093bc2cd | Avi Kivity | continue;
|
569 | 093bc2cd | Avi Kivity | } |
570 | 08dafab4 | Avi Kivity | if (int128_lt(base, view->ranges[i].addr.start)) {
|
571 | 08dafab4 | Avi Kivity | now = int128_min(remain, |
572 | 08dafab4 | Avi Kivity | int128_sub(view->ranges[i].addr.start, base)); |
573 | 093bc2cd | Avi Kivity | fr.mr = mr; |
574 | 093bc2cd | Avi Kivity | fr.offset_in_region = offset_in_region; |
575 | 093bc2cd | Avi Kivity | fr.addr = addrrange_make(base, now); |
576 | 5a583347 | Avi Kivity | fr.dirty_log_mask = mr->dirty_log_mask; |
577 | d0a9b5bc | Avi Kivity | fr.readable = mr->readable; |
578 | fb1cd6f9 | Avi Kivity | fr.readonly = readonly; |
579 | 093bc2cd | Avi Kivity | flatview_insert(view, i, &fr); |
580 | 093bc2cd | Avi Kivity | ++i; |
581 | 08dafab4 | Avi Kivity | int128_addto(&base, now); |
582 | 08dafab4 | Avi Kivity | offset_in_region += int128_get64(now); |
583 | 08dafab4 | Avi Kivity | int128_subfrom(&remain, now); |
584 | 093bc2cd | Avi Kivity | } |
585 | 08dafab4 | Avi Kivity | if (int128_eq(base, view->ranges[i].addr.start)) {
|
586 | 08dafab4 | Avi Kivity | now = int128_min(remain, view->ranges[i].addr.size); |
587 | 08dafab4 | Avi Kivity | int128_addto(&base, now); |
588 | 08dafab4 | Avi Kivity | offset_in_region += int128_get64(now); |
589 | 08dafab4 | Avi Kivity | int128_subfrom(&remain, now); |
590 | 093bc2cd | Avi Kivity | } |
591 | 093bc2cd | Avi Kivity | } |
592 | 08dafab4 | Avi Kivity | if (int128_nz(remain)) {
|
593 | 093bc2cd | Avi Kivity | fr.mr = mr; |
594 | 093bc2cd | Avi Kivity | fr.offset_in_region = offset_in_region; |
595 | 093bc2cd | Avi Kivity | fr.addr = addrrange_make(base, remain); |
596 | 5a583347 | Avi Kivity | fr.dirty_log_mask = mr->dirty_log_mask; |
597 | d0a9b5bc | Avi Kivity | fr.readable = mr->readable; |
598 | fb1cd6f9 | Avi Kivity | fr.readonly = readonly; |
599 | 093bc2cd | Avi Kivity | flatview_insert(view, i, &fr); |
600 | 093bc2cd | Avi Kivity | } |
601 | 093bc2cd | Avi Kivity | } |
602 | 093bc2cd | Avi Kivity | |
603 | 093bc2cd | Avi Kivity | /* Render a memory topology into a list of disjoint absolute ranges. */
|
604 | 093bc2cd | Avi Kivity | static FlatView generate_memory_topology(MemoryRegion *mr)
|
605 | 093bc2cd | Avi Kivity | { |
606 | 093bc2cd | Avi Kivity | FlatView view; |
607 | 093bc2cd | Avi Kivity | |
608 | 093bc2cd | Avi Kivity | flatview_init(&view); |
609 | 093bc2cd | Avi Kivity | |
610 | 08dafab4 | Avi Kivity | render_memory_region(&view, mr, int128_zero(), |
611 | 08dafab4 | Avi Kivity | addrrange_make(int128_zero(), int128_2_64()), false);
|
612 | 3d8e6bf9 | Avi Kivity | flatview_simplify(&view); |
613 | 093bc2cd | Avi Kivity | |
614 | 093bc2cd | Avi Kivity | return view;
|
615 | 093bc2cd | Avi Kivity | } |
616 | 093bc2cd | Avi Kivity | |
617 | 3e9d69e7 | Avi Kivity | static void address_space_add_del_ioeventfds(AddressSpace *as, |
618 | 3e9d69e7 | Avi Kivity | MemoryRegionIoeventfd *fds_new, |
619 | 3e9d69e7 | Avi Kivity | unsigned fds_new_nb,
|
620 | 3e9d69e7 | Avi Kivity | MemoryRegionIoeventfd *fds_old, |
621 | 3e9d69e7 | Avi Kivity | unsigned fds_old_nb)
|
622 | 3e9d69e7 | Avi Kivity | { |
623 | 3e9d69e7 | Avi Kivity | unsigned iold, inew;
|
624 | 3e9d69e7 | Avi Kivity | |
625 | 3e9d69e7 | Avi Kivity | /* Generate a symmetric difference of the old and new fd sets, adding
|
626 | 3e9d69e7 | Avi Kivity | * and deleting as necessary.
|
627 | 3e9d69e7 | Avi Kivity | */
|
628 | 3e9d69e7 | Avi Kivity | |
629 | 3e9d69e7 | Avi Kivity | iold = inew = 0;
|
630 | 3e9d69e7 | Avi Kivity | while (iold < fds_old_nb || inew < fds_new_nb) {
|
631 | 3e9d69e7 | Avi Kivity | if (iold < fds_old_nb
|
632 | 3e9d69e7 | Avi Kivity | && (inew == fds_new_nb |
633 | 3e9d69e7 | Avi Kivity | || memory_region_ioeventfd_before(fds_old[iold], |
634 | 3e9d69e7 | Avi Kivity | fds_new[inew]))) { |
635 | 3e9d69e7 | Avi Kivity | as->ops->ioeventfd_del(as, &fds_old[iold]); |
636 | 3e9d69e7 | Avi Kivity | ++iold; |
637 | 3e9d69e7 | Avi Kivity | } else if (inew < fds_new_nb |
638 | 3e9d69e7 | Avi Kivity | && (iold == fds_old_nb |
639 | 3e9d69e7 | Avi Kivity | || memory_region_ioeventfd_before(fds_new[inew], |
640 | 3e9d69e7 | Avi Kivity | fds_old[iold]))) { |
641 | 3e9d69e7 | Avi Kivity | as->ops->ioeventfd_add(as, &fds_new[inew]); |
642 | 3e9d69e7 | Avi Kivity | ++inew; |
643 | 3e9d69e7 | Avi Kivity | } else {
|
644 | 3e9d69e7 | Avi Kivity | ++iold; |
645 | 3e9d69e7 | Avi Kivity | ++inew; |
646 | 3e9d69e7 | Avi Kivity | } |
647 | 3e9d69e7 | Avi Kivity | } |
648 | 3e9d69e7 | Avi Kivity | } |
649 | 3e9d69e7 | Avi Kivity | |
650 | 3e9d69e7 | Avi Kivity | static void address_space_update_ioeventfds(AddressSpace *as) |
651 | 3e9d69e7 | Avi Kivity | { |
652 | 3e9d69e7 | Avi Kivity | FlatRange *fr; |
653 | 3e9d69e7 | Avi Kivity | unsigned ioeventfd_nb = 0; |
654 | 3e9d69e7 | Avi Kivity | MemoryRegionIoeventfd *ioeventfds = NULL;
|
655 | 3e9d69e7 | Avi Kivity | AddrRange tmp; |
656 | 3e9d69e7 | Avi Kivity | unsigned i;
|
657 | 3e9d69e7 | Avi Kivity | |
658 | 3e9d69e7 | Avi Kivity | FOR_EACH_FLAT_RANGE(fr, &as->current_map) { |
659 | 3e9d69e7 | Avi Kivity | for (i = 0; i < fr->mr->ioeventfd_nb; ++i) { |
660 | 3e9d69e7 | Avi Kivity | tmp = addrrange_shift(fr->mr->ioeventfds[i].addr, |
661 | 08dafab4 | Avi Kivity | int128_sub(fr->addr.start, |
662 | 08dafab4 | Avi Kivity | int128_make64(fr->offset_in_region))); |
663 | 3e9d69e7 | Avi Kivity | if (addrrange_intersects(fr->addr, tmp)) {
|
664 | 3e9d69e7 | Avi Kivity | ++ioeventfd_nb; |
665 | 7267c094 | Anthony Liguori | ioeventfds = g_realloc(ioeventfds, |
666 | 3e9d69e7 | Avi Kivity | ioeventfd_nb * sizeof(*ioeventfds));
|
667 | 3e9d69e7 | Avi Kivity | ioeventfds[ioeventfd_nb-1] = fr->mr->ioeventfds[i];
|
668 | 3e9d69e7 | Avi Kivity | ioeventfds[ioeventfd_nb-1].addr = tmp;
|
669 | 3e9d69e7 | Avi Kivity | } |
670 | 3e9d69e7 | Avi Kivity | } |
671 | 3e9d69e7 | Avi Kivity | } |
672 | 3e9d69e7 | Avi Kivity | |
673 | 3e9d69e7 | Avi Kivity | address_space_add_del_ioeventfds(as, ioeventfds, ioeventfd_nb, |
674 | 3e9d69e7 | Avi Kivity | as->ioeventfds, as->ioeventfd_nb); |
675 | 3e9d69e7 | Avi Kivity | |
676 | 7267c094 | Anthony Liguori | g_free(as->ioeventfds); |
677 | 3e9d69e7 | Avi Kivity | as->ioeventfds = ioeventfds; |
678 | 3e9d69e7 | Avi Kivity | as->ioeventfd_nb = ioeventfd_nb; |
679 | 3e9d69e7 | Avi Kivity | } |
680 | 3e9d69e7 | Avi Kivity | |
681 | 7664e80c | Avi Kivity | typedef void ListenerCallback(MemoryListener *listener, |
682 | 7664e80c | Avi Kivity | MemoryRegionSection *mrs); |
683 | 7664e80c | Avi Kivity | |
684 | 7664e80c | Avi Kivity | /* Want "void (&MemoryListener::*callback)(const MemoryRegionSection& s)" */
|
685 | 7664e80c | Avi Kivity | static void memory_listener_update_region(FlatRange *fr, AddressSpace *as, |
686 | 7664e80c | Avi Kivity | size_t callback_offset) |
687 | 7664e80c | Avi Kivity | { |
688 | 7664e80c | Avi Kivity | MemoryRegionSection section = { |
689 | 7664e80c | Avi Kivity | .mr = fr->mr, |
690 | 7664e80c | Avi Kivity | .address_space = as->root, |
691 | 7664e80c | Avi Kivity | .offset_within_region = fr->offset_in_region, |
692 | 7664e80c | Avi Kivity | .size = int128_get64(fr->addr.size), |
693 | 7664e80c | Avi Kivity | .offset_within_address_space = int128_get64(fr->addr.start), |
694 | 7664e80c | Avi Kivity | }; |
695 | 7664e80c | Avi Kivity | MemoryListener *listener; |
696 | 7664e80c | Avi Kivity | |
697 | 7664e80c | Avi Kivity | QLIST_FOREACH(listener, &memory_listeners, link) { |
698 | 7664e80c | Avi Kivity | ListenerCallback *callback |
699 | 7664e80c | Avi Kivity | = *(ListenerCallback **)((void *)listener + callback_offset);
|
700 | 7664e80c | Avi Kivity | callback(listener, §ion); |
701 | 7664e80c | Avi Kivity | } |
702 | 7664e80c | Avi Kivity | } |
703 | 7664e80c | Avi Kivity | |
704 | 7664e80c | Avi Kivity | #define MEMORY_LISTENER_UPDATE_REGION(fr, as, callback) \
|
705 | 7664e80c | Avi Kivity | memory_listener_update_region(fr, as, offsetof(MemoryListener, callback)) |
706 | 7664e80c | Avi Kivity | |
707 | b8af1afb | Avi Kivity | static void address_space_update_topology_pass(AddressSpace *as, |
708 | b8af1afb | Avi Kivity | FlatView old_view, |
709 | b8af1afb | Avi Kivity | FlatView new_view, |
710 | b8af1afb | Avi Kivity | bool adding)
|
711 | 093bc2cd | Avi Kivity | { |
712 | 093bc2cd | Avi Kivity | unsigned iold, inew;
|
713 | 093bc2cd | Avi Kivity | FlatRange *frold, *frnew; |
714 | 093bc2cd | Avi Kivity | |
715 | 093bc2cd | Avi Kivity | /* Generate a symmetric difference of the old and new memory maps.
|
716 | 093bc2cd | Avi Kivity | * Kill ranges in the old map, and instantiate ranges in the new map.
|
717 | 093bc2cd | Avi Kivity | */
|
718 | 093bc2cd | Avi Kivity | iold = inew = 0;
|
719 | 093bc2cd | Avi Kivity | while (iold < old_view.nr || inew < new_view.nr) {
|
720 | 093bc2cd | Avi Kivity | if (iold < old_view.nr) {
|
721 | 093bc2cd | Avi Kivity | frold = &old_view.ranges[iold]; |
722 | 093bc2cd | Avi Kivity | } else {
|
723 | 093bc2cd | Avi Kivity | frold = NULL;
|
724 | 093bc2cd | Avi Kivity | } |
725 | 093bc2cd | Avi Kivity | if (inew < new_view.nr) {
|
726 | 093bc2cd | Avi Kivity | frnew = &new_view.ranges[inew]; |
727 | 093bc2cd | Avi Kivity | } else {
|
728 | 093bc2cd | Avi Kivity | frnew = NULL;
|
729 | 093bc2cd | Avi Kivity | } |
730 | 093bc2cd | Avi Kivity | |
731 | 093bc2cd | Avi Kivity | if (frold
|
732 | 093bc2cd | Avi Kivity | && (!frnew |
733 | 08dafab4 | Avi Kivity | || int128_lt(frold->addr.start, frnew->addr.start) |
734 | 08dafab4 | Avi Kivity | || (int128_eq(frold->addr.start, frnew->addr.start) |
735 | 093bc2cd | Avi Kivity | && !flatrange_equal(frold, frnew)))) { |
736 | 093bc2cd | Avi Kivity | /* In old, but (not in new, or in new but attributes changed). */
|
737 | 093bc2cd | Avi Kivity | |
738 | b8af1afb | Avi Kivity | if (!adding) {
|
739 | 7664e80c | Avi Kivity | MEMORY_LISTENER_UPDATE_REGION(frold, as, region_del); |
740 | b8af1afb | Avi Kivity | as->ops->range_del(as, frold); |
741 | b8af1afb | Avi Kivity | } |
742 | b8af1afb | Avi Kivity | |
743 | 093bc2cd | Avi Kivity | ++iold; |
744 | 093bc2cd | Avi Kivity | } else if (frold && frnew && flatrange_equal(frold, frnew)) { |
745 | 093bc2cd | Avi Kivity | /* In both (logging may have changed) */
|
746 | 093bc2cd | Avi Kivity | |
747 | b8af1afb | Avi Kivity | if (adding) {
|
748 | b8af1afb | Avi Kivity | if (frold->dirty_log_mask && !frnew->dirty_log_mask) {
|
749 | 9f213ed9 | Avi Kivity | MEMORY_LISTENER_UPDATE_REGION(frnew, as, log_stop); |
750 | b8af1afb | Avi Kivity | as->ops->log_stop(as, frnew); |
751 | b8af1afb | Avi Kivity | } else if (frnew->dirty_log_mask && !frold->dirty_log_mask) { |
752 | b8af1afb | Avi Kivity | as->ops->log_start(as, frnew); |
753 | 9f213ed9 | Avi Kivity | MEMORY_LISTENER_UPDATE_REGION(frnew, as, log_start); |
754 | b8af1afb | Avi Kivity | } |
755 | 5a583347 | Avi Kivity | } |
756 | 5a583347 | Avi Kivity | |
757 | 093bc2cd | Avi Kivity | ++iold; |
758 | 093bc2cd | Avi Kivity | ++inew; |
759 | 093bc2cd | Avi Kivity | } else {
|
760 | 093bc2cd | Avi Kivity | /* In new */
|
761 | 093bc2cd | Avi Kivity | |
762 | b8af1afb | Avi Kivity | if (adding) {
|
763 | b8af1afb | Avi Kivity | as->ops->range_add(as, frnew); |
764 | 9f213ed9 | Avi Kivity | MEMORY_LISTENER_UPDATE_REGION(frnew, as, region_add); |
765 | b8af1afb | Avi Kivity | } |
766 | b8af1afb | Avi Kivity | |
767 | 093bc2cd | Avi Kivity | ++inew; |
768 | 093bc2cd | Avi Kivity | } |
769 | 093bc2cd | Avi Kivity | } |
770 | b8af1afb | Avi Kivity | } |
771 | b8af1afb | Avi Kivity | |
772 | b8af1afb | Avi Kivity | |
773 | b8af1afb | Avi Kivity | static void address_space_update_topology(AddressSpace *as) |
774 | b8af1afb | Avi Kivity | { |
775 | b8af1afb | Avi Kivity | FlatView old_view = as->current_map; |
776 | b8af1afb | Avi Kivity | FlatView new_view = generate_memory_topology(as->root); |
777 | b8af1afb | Avi Kivity | |
778 | b8af1afb | Avi Kivity | address_space_update_topology_pass(as, old_view, new_view, false);
|
779 | b8af1afb | Avi Kivity | address_space_update_topology_pass(as, old_view, new_view, true);
|
780 | b8af1afb | Avi Kivity | |
781 | cc31e6e7 | Avi Kivity | as->current_map = new_view; |
782 | 093bc2cd | Avi Kivity | flatview_destroy(&old_view); |
783 | 3e9d69e7 | Avi Kivity | address_space_update_ioeventfds(as); |
784 | 093bc2cd | Avi Kivity | } |
785 | 093bc2cd | Avi Kivity | |
786 | 6bba19ba | Avi Kivity | static void memory_region_update_topology(MemoryRegion *mr) |
787 | cc31e6e7 | Avi Kivity | { |
788 | 4ef4db86 | Avi Kivity | if (memory_region_transaction_depth) {
|
789 | e87c099f | Avi Kivity | memory_region_update_pending |= !mr || mr->enabled; |
790 | 4ef4db86 | Avi Kivity | return;
|
791 | 4ef4db86 | Avi Kivity | } |
792 | 4ef4db86 | Avi Kivity | |
793 | 6bba19ba | Avi Kivity | if (mr && !mr->enabled) {
|
794 | 6bba19ba | Avi Kivity | return;
|
795 | 6bba19ba | Avi Kivity | } |
796 | 6bba19ba | Avi Kivity | |
797 | 658b2224 | Avi Kivity | if (address_space_memory.root) {
|
798 | 658b2224 | Avi Kivity | address_space_update_topology(&address_space_memory); |
799 | 658b2224 | Avi Kivity | } |
800 | 658b2224 | Avi Kivity | if (address_space_io.root) {
|
801 | 658b2224 | Avi Kivity | address_space_update_topology(&address_space_io); |
802 | 658b2224 | Avi Kivity | } |
803 | e87c099f | Avi Kivity | |
804 | e87c099f | Avi Kivity | memory_region_update_pending = false;
|
805 | cc31e6e7 | Avi Kivity | } |
806 | cc31e6e7 | Avi Kivity | |
807 | 4ef4db86 | Avi Kivity | void memory_region_transaction_begin(void) |
808 | 4ef4db86 | Avi Kivity | { |
809 | 4ef4db86 | Avi Kivity | ++memory_region_transaction_depth; |
810 | 4ef4db86 | Avi Kivity | } |
811 | 4ef4db86 | Avi Kivity | |
812 | 4ef4db86 | Avi Kivity | void memory_region_transaction_commit(void) |
813 | 4ef4db86 | Avi Kivity | { |
814 | 4ef4db86 | Avi Kivity | assert(memory_region_transaction_depth); |
815 | 4ef4db86 | Avi Kivity | --memory_region_transaction_depth; |
816 | e87c099f | Avi Kivity | if (!memory_region_transaction_depth && memory_region_update_pending) {
|
817 | e87c099f | Avi Kivity | memory_region_update_topology(NULL);
|
818 | e87c099f | Avi Kivity | } |
819 | 4ef4db86 | Avi Kivity | } |
820 | 4ef4db86 | Avi Kivity | |
821 | 545e92e0 | Avi Kivity | static void memory_region_destructor_none(MemoryRegion *mr) |
822 | 545e92e0 | Avi Kivity | { |
823 | 545e92e0 | Avi Kivity | } |
824 | 545e92e0 | Avi Kivity | |
825 | 545e92e0 | Avi Kivity | static void memory_region_destructor_ram(MemoryRegion *mr) |
826 | 545e92e0 | Avi Kivity | { |
827 | 545e92e0 | Avi Kivity | qemu_ram_free(mr->ram_addr); |
828 | 545e92e0 | Avi Kivity | } |
829 | 545e92e0 | Avi Kivity | |
830 | 545e92e0 | Avi Kivity | static void memory_region_destructor_ram_from_ptr(MemoryRegion *mr) |
831 | 545e92e0 | Avi Kivity | { |
832 | 545e92e0 | Avi Kivity | qemu_ram_free_from_ptr(mr->ram_addr); |
833 | 545e92e0 | Avi Kivity | } |
834 | 545e92e0 | Avi Kivity | |
835 | 545e92e0 | Avi Kivity | static void memory_region_destructor_iomem(MemoryRegion *mr) |
836 | 545e92e0 | Avi Kivity | { |
837 | 545e92e0 | Avi Kivity | cpu_unregister_io_memory(mr->ram_addr); |
838 | 545e92e0 | Avi Kivity | } |
839 | 545e92e0 | Avi Kivity | |
840 | d0a9b5bc | Avi Kivity | static void memory_region_destructor_rom_device(MemoryRegion *mr) |
841 | d0a9b5bc | Avi Kivity | { |
842 | d0a9b5bc | Avi Kivity | qemu_ram_free(mr->ram_addr & TARGET_PAGE_MASK); |
843 | 75c578dc | Avi Kivity | cpu_unregister_io_memory(mr->ram_addr & ~TARGET_PAGE_MASK); |
844 | d0a9b5bc | Avi Kivity | } |
845 | d0a9b5bc | Avi Kivity | |
846 | be675c97 | Avi Kivity | static bool memory_region_wrong_endianness(MemoryRegion *mr) |
847 | be675c97 | Avi Kivity | { |
848 | 2c3579ab | Andreas Fรคrber | #ifdef TARGET_WORDS_BIGENDIAN
|
849 | be675c97 | Avi Kivity | return mr->ops->endianness == DEVICE_LITTLE_ENDIAN;
|
850 | be675c97 | Avi Kivity | #else
|
851 | be675c97 | Avi Kivity | return mr->ops->endianness == DEVICE_BIG_ENDIAN;
|
852 | be675c97 | Avi Kivity | #endif
|
853 | be675c97 | Avi Kivity | } |
854 | be675c97 | Avi Kivity | |
855 | 093bc2cd | Avi Kivity | void memory_region_init(MemoryRegion *mr,
|
856 | 093bc2cd | Avi Kivity | const char *name, |
857 | 093bc2cd | Avi Kivity | uint64_t size) |
858 | 093bc2cd | Avi Kivity | { |
859 | 093bc2cd | Avi Kivity | mr->ops = NULL;
|
860 | 093bc2cd | Avi Kivity | mr->parent = NULL;
|
861 | 08dafab4 | Avi Kivity | mr->size = int128_make64(size); |
862 | 08dafab4 | Avi Kivity | if (size == UINT64_MAX) {
|
863 | 08dafab4 | Avi Kivity | mr->size = int128_2_64(); |
864 | 08dafab4 | Avi Kivity | } |
865 | 093bc2cd | Avi Kivity | mr->addr = 0;
|
866 | 093bc2cd | Avi Kivity | mr->offset = 0;
|
867 | b3b00c78 | Avi Kivity | mr->subpage = false;
|
868 | 6bba19ba | Avi Kivity | mr->enabled = true;
|
869 | 14a3c10a | Avi Kivity | mr->terminates = false;
|
870 | 8ea9252a | Avi Kivity | mr->ram = false;
|
871 | d0a9b5bc | Avi Kivity | mr->readable = true;
|
872 | fb1cd6f9 | Avi Kivity | mr->readonly = false;
|
873 | 75c578dc | Avi Kivity | mr->rom_device = false;
|
874 | 545e92e0 | Avi Kivity | mr->destructor = memory_region_destructor_none; |
875 | 093bc2cd | Avi Kivity | mr->priority = 0;
|
876 | 093bc2cd | Avi Kivity | mr->may_overlap = false;
|
877 | 093bc2cd | Avi Kivity | mr->alias = NULL;
|
878 | 093bc2cd | Avi Kivity | QTAILQ_INIT(&mr->subregions); |
879 | 093bc2cd | Avi Kivity | memset(&mr->subregions_link, 0, sizeof mr->subregions_link); |
880 | 093bc2cd | Avi Kivity | QTAILQ_INIT(&mr->coalesced); |
881 | 7267c094 | Anthony Liguori | mr->name = g_strdup(name); |
882 | 5a583347 | Avi Kivity | mr->dirty_log_mask = 0;
|
883 | 3e9d69e7 | Avi Kivity | mr->ioeventfd_nb = 0;
|
884 | 3e9d69e7 | Avi Kivity | mr->ioeventfds = NULL;
|
885 | 093bc2cd | Avi Kivity | } |
886 | 093bc2cd | Avi Kivity | |
887 | 093bc2cd | Avi Kivity | static bool memory_region_access_valid(MemoryRegion *mr, |
888 | 093bc2cd | Avi Kivity | target_phys_addr_t addr, |
889 | 897fa7cf | Avi Kivity | unsigned size,
|
890 | 897fa7cf | Avi Kivity | bool is_write)
|
891 | 093bc2cd | Avi Kivity | { |
892 | 897fa7cf | Avi Kivity | if (mr->ops->valid.accepts
|
893 | 897fa7cf | Avi Kivity | && !mr->ops->valid.accepts(mr->opaque, addr, size, is_write)) { |
894 | 897fa7cf | Avi Kivity | return false; |
895 | 897fa7cf | Avi Kivity | } |
896 | 897fa7cf | Avi Kivity | |
897 | 093bc2cd | Avi Kivity | if (!mr->ops->valid.unaligned && (addr & (size - 1))) { |
898 | 093bc2cd | Avi Kivity | return false; |
899 | 093bc2cd | Avi Kivity | } |
900 | 093bc2cd | Avi Kivity | |
901 | 093bc2cd | Avi Kivity | /* Treat zero as compatibility all valid */
|
902 | 093bc2cd | Avi Kivity | if (!mr->ops->valid.max_access_size) {
|
903 | 093bc2cd | Avi Kivity | return true; |
904 | 093bc2cd | Avi Kivity | } |
905 | 093bc2cd | Avi Kivity | |
906 | 093bc2cd | Avi Kivity | if (size > mr->ops->valid.max_access_size
|
907 | 093bc2cd | Avi Kivity | || size < mr->ops->valid.min_access_size) { |
908 | 093bc2cd | Avi Kivity | return false; |
909 | 093bc2cd | Avi Kivity | } |
910 | 093bc2cd | Avi Kivity | return true; |
911 | 093bc2cd | Avi Kivity | } |
912 | 093bc2cd | Avi Kivity | |
913 | a621f38d | Avi Kivity | static uint64_t memory_region_dispatch_read1(MemoryRegion *mr,
|
914 | a621f38d | Avi Kivity | target_phys_addr_t addr, |
915 | a621f38d | Avi Kivity | unsigned size)
|
916 | 093bc2cd | Avi Kivity | { |
917 | 164a4dcd | Avi Kivity | uint64_t data = 0;
|
918 | 093bc2cd | Avi Kivity | |
919 | 897fa7cf | Avi Kivity | if (!memory_region_access_valid(mr, addr, size, false)) { |
920 | 093bc2cd | Avi Kivity | return -1U; /* FIXME: better signalling */ |
921 | 093bc2cd | Avi Kivity | } |
922 | 093bc2cd | Avi Kivity | |
923 | 74901c3b | Avi Kivity | if (!mr->ops->read) {
|
924 | 74901c3b | Avi Kivity | return mr->ops->old_mmio.read[bitops_ffsl(size)](mr->opaque, addr);
|
925 | 74901c3b | Avi Kivity | } |
926 | 74901c3b | Avi Kivity | |
927 | 093bc2cd | Avi Kivity | /* FIXME: support unaligned access */
|
928 | 164a4dcd | Avi Kivity | access_with_adjusted_size(addr + mr->offset, &data, size, |
929 | 164a4dcd | Avi Kivity | mr->ops->impl.min_access_size, |
930 | 164a4dcd | Avi Kivity | mr->ops->impl.max_access_size, |
931 | 164a4dcd | Avi Kivity | memory_region_read_accessor, mr); |
932 | 093bc2cd | Avi Kivity | |
933 | 093bc2cd | Avi Kivity | return data;
|
934 | 093bc2cd | Avi Kivity | } |
935 | 093bc2cd | Avi Kivity | |
936 | a621f38d | Avi Kivity | static void adjust_endianness(MemoryRegion *mr, uint64_t *data, unsigned size) |
937 | 093bc2cd | Avi Kivity | { |
938 | a621f38d | Avi Kivity | if (memory_region_wrong_endianness(mr)) {
|
939 | a621f38d | Avi Kivity | switch (size) {
|
940 | a621f38d | Avi Kivity | case 1: |
941 | a621f38d | Avi Kivity | break;
|
942 | a621f38d | Avi Kivity | case 2: |
943 | a621f38d | Avi Kivity | *data = bswap16(*data); |
944 | a621f38d | Avi Kivity | break;
|
945 | a621f38d | Avi Kivity | case 4: |
946 | a621f38d | Avi Kivity | *data = bswap32(*data); |
947 | 1470a0cd | Andreas Fรคrber | break;
|
948 | a621f38d | Avi Kivity | default:
|
949 | a621f38d | Avi Kivity | abort(); |
950 | a621f38d | Avi Kivity | } |
951 | a621f38d | Avi Kivity | } |
952 | a621f38d | Avi Kivity | } |
953 | a621f38d | Avi Kivity | |
954 | a621f38d | Avi Kivity | static uint64_t memory_region_dispatch_read(MemoryRegion *mr,
|
955 | a621f38d | Avi Kivity | target_phys_addr_t addr, |
956 | a621f38d | Avi Kivity | unsigned size)
|
957 | a621f38d | Avi Kivity | { |
958 | a621f38d | Avi Kivity | uint64_t ret; |
959 | a621f38d | Avi Kivity | |
960 | a621f38d | Avi Kivity | ret = memory_region_dispatch_read1(mr, addr, size); |
961 | a621f38d | Avi Kivity | adjust_endianness(mr, &ret, size); |
962 | a621f38d | Avi Kivity | return ret;
|
963 | a621f38d | Avi Kivity | } |
964 | 093bc2cd | Avi Kivity | |
965 | a621f38d | Avi Kivity | static void memory_region_dispatch_write(MemoryRegion *mr, |
966 | a621f38d | Avi Kivity | target_phys_addr_t addr, |
967 | a621f38d | Avi Kivity | uint64_t data, |
968 | a621f38d | Avi Kivity | unsigned size)
|
969 | a621f38d | Avi Kivity | { |
970 | 897fa7cf | Avi Kivity | if (!memory_region_access_valid(mr, addr, size, true)) { |
971 | 093bc2cd | Avi Kivity | return; /* FIXME: better signalling */ |
972 | 093bc2cd | Avi Kivity | } |
973 | 093bc2cd | Avi Kivity | |
974 | a621f38d | Avi Kivity | adjust_endianness(mr, &data, size); |
975 | a621f38d | Avi Kivity | |
976 | 74901c3b | Avi Kivity | if (!mr->ops->write) {
|
977 | 74901c3b | Avi Kivity | mr->ops->old_mmio.write[bitops_ffsl(size)](mr->opaque, addr, data); |
978 | 74901c3b | Avi Kivity | return;
|
979 | 74901c3b | Avi Kivity | } |
980 | 74901c3b | Avi Kivity | |
981 | 093bc2cd | Avi Kivity | /* FIXME: support unaligned access */
|
982 | 164a4dcd | Avi Kivity | access_with_adjusted_size(addr + mr->offset, &data, size, |
983 | 164a4dcd | Avi Kivity | mr->ops->impl.min_access_size, |
984 | 164a4dcd | Avi Kivity | mr->ops->impl.max_access_size, |
985 | 164a4dcd | Avi Kivity | memory_region_write_accessor, mr); |
986 | 093bc2cd | Avi Kivity | } |
987 | 093bc2cd | Avi Kivity | |
988 | 093bc2cd | Avi Kivity | void memory_region_init_io(MemoryRegion *mr,
|
989 | 093bc2cd | Avi Kivity | const MemoryRegionOps *ops,
|
990 | 093bc2cd | Avi Kivity | void *opaque,
|
991 | 093bc2cd | Avi Kivity | const char *name, |
992 | 093bc2cd | Avi Kivity | uint64_t size) |
993 | 093bc2cd | Avi Kivity | { |
994 | 093bc2cd | Avi Kivity | memory_region_init(mr, name, size); |
995 | 093bc2cd | Avi Kivity | mr->ops = ops; |
996 | 093bc2cd | Avi Kivity | mr->opaque = opaque; |
997 | 14a3c10a | Avi Kivity | mr->terminates = true;
|
998 | 26a83ad0 | Avi Kivity | mr->destructor = memory_region_destructor_iomem; |
999 | a621f38d | Avi Kivity | mr->ram_addr = cpu_register_io_memory(mr); |
1000 | 093bc2cd | Avi Kivity | } |
1001 | 093bc2cd | Avi Kivity | |
1002 | 093bc2cd | Avi Kivity | void memory_region_init_ram(MemoryRegion *mr,
|
1003 | 093bc2cd | Avi Kivity | const char *name, |
1004 | 093bc2cd | Avi Kivity | uint64_t size) |
1005 | 093bc2cd | Avi Kivity | { |
1006 | 093bc2cd | Avi Kivity | memory_region_init(mr, name, size); |
1007 | 8ea9252a | Avi Kivity | mr->ram = true;
|
1008 | 14a3c10a | Avi Kivity | mr->terminates = true;
|
1009 | 545e92e0 | Avi Kivity | mr->destructor = memory_region_destructor_ram; |
1010 | c5705a77 | Avi Kivity | mr->ram_addr = qemu_ram_alloc(size, mr); |
1011 | 093bc2cd | Avi Kivity | } |
1012 | 093bc2cd | Avi Kivity | |
1013 | 093bc2cd | Avi Kivity | void memory_region_init_ram_ptr(MemoryRegion *mr,
|
1014 | 093bc2cd | Avi Kivity | const char *name, |
1015 | 093bc2cd | Avi Kivity | uint64_t size, |
1016 | 093bc2cd | Avi Kivity | void *ptr)
|
1017 | 093bc2cd | Avi Kivity | { |
1018 | 093bc2cd | Avi Kivity | memory_region_init(mr, name, size); |
1019 | 8ea9252a | Avi Kivity | mr->ram = true;
|
1020 | 14a3c10a | Avi Kivity | mr->terminates = true;
|
1021 | 545e92e0 | Avi Kivity | mr->destructor = memory_region_destructor_ram_from_ptr; |
1022 | c5705a77 | Avi Kivity | mr->ram_addr = qemu_ram_alloc_from_ptr(size, ptr, mr); |
1023 | 093bc2cd | Avi Kivity | } |
1024 | 093bc2cd | Avi Kivity | |
1025 | 093bc2cd | Avi Kivity | void memory_region_init_alias(MemoryRegion *mr,
|
1026 | 093bc2cd | Avi Kivity | const char *name, |
1027 | 093bc2cd | Avi Kivity | MemoryRegion *orig, |
1028 | 093bc2cd | Avi Kivity | target_phys_addr_t offset, |
1029 | 093bc2cd | Avi Kivity | uint64_t size) |
1030 | 093bc2cd | Avi Kivity | { |
1031 | 093bc2cd | Avi Kivity | memory_region_init(mr, name, size); |
1032 | 093bc2cd | Avi Kivity | mr->alias = orig; |
1033 | 093bc2cd | Avi Kivity | mr->alias_offset = offset; |
1034 | 093bc2cd | Avi Kivity | } |
1035 | 093bc2cd | Avi Kivity | |
1036 | d0a9b5bc | Avi Kivity | void memory_region_init_rom_device(MemoryRegion *mr,
|
1037 | d0a9b5bc | Avi Kivity | const MemoryRegionOps *ops,
|
1038 | 75f5941c | Avi Kivity | void *opaque,
|
1039 | d0a9b5bc | Avi Kivity | const char *name, |
1040 | d0a9b5bc | Avi Kivity | uint64_t size) |
1041 | d0a9b5bc | Avi Kivity | { |
1042 | d0a9b5bc | Avi Kivity | memory_region_init(mr, name, size); |
1043 | 7bc2b9cd | Avi Kivity | mr->ops = ops; |
1044 | 75f5941c | Avi Kivity | mr->opaque = opaque; |
1045 | d0a9b5bc | Avi Kivity | mr->terminates = true;
|
1046 | 75c578dc | Avi Kivity | mr->rom_device = true;
|
1047 | d0a9b5bc | Avi Kivity | mr->destructor = memory_region_destructor_rom_device; |
1048 | c5705a77 | Avi Kivity | mr->ram_addr = qemu_ram_alloc(size, mr); |
1049 | a621f38d | Avi Kivity | mr->ram_addr |= cpu_register_io_memory(mr); |
1050 | d0a9b5bc | Avi Kivity | } |
1051 | d0a9b5bc | Avi Kivity | |
1052 | 1660e72d | Jan Kiszka | static uint64_t invalid_read(void *opaque, target_phys_addr_t addr, |
1053 | 1660e72d | Jan Kiszka | unsigned size)
|
1054 | 1660e72d | Jan Kiszka | { |
1055 | 1660e72d | Jan Kiszka | MemoryRegion *mr = opaque; |
1056 | 1660e72d | Jan Kiszka | |
1057 | 1660e72d | Jan Kiszka | if (!mr->warning_printed) {
|
1058 | 1660e72d | Jan Kiszka | fprintf(stderr, "Invalid read from memory region %s\n", mr->name);
|
1059 | 1660e72d | Jan Kiszka | mr->warning_printed = true;
|
1060 | 1660e72d | Jan Kiszka | } |
1061 | 1660e72d | Jan Kiszka | return -1U; |
1062 | 1660e72d | Jan Kiszka | } |
1063 | 1660e72d | Jan Kiszka | |
1064 | 1660e72d | Jan Kiszka | static void invalid_write(void *opaque, target_phys_addr_t addr, uint64_t data, |
1065 | 1660e72d | Jan Kiszka | unsigned size)
|
1066 | 1660e72d | Jan Kiszka | { |
1067 | 1660e72d | Jan Kiszka | MemoryRegion *mr = opaque; |
1068 | 1660e72d | Jan Kiszka | |
1069 | 1660e72d | Jan Kiszka | if (!mr->warning_printed) {
|
1070 | 1660e72d | Jan Kiszka | fprintf(stderr, "Invalid write to memory region %s\n", mr->name);
|
1071 | 1660e72d | Jan Kiszka | mr->warning_printed = true;
|
1072 | 1660e72d | Jan Kiszka | } |
1073 | 1660e72d | Jan Kiszka | } |
1074 | 1660e72d | Jan Kiszka | |
1075 | 1660e72d | Jan Kiszka | static const MemoryRegionOps reservation_ops = { |
1076 | 1660e72d | Jan Kiszka | .read = invalid_read, |
1077 | 1660e72d | Jan Kiszka | .write = invalid_write, |
1078 | 1660e72d | Jan Kiszka | .endianness = DEVICE_NATIVE_ENDIAN, |
1079 | 1660e72d | Jan Kiszka | }; |
1080 | 1660e72d | Jan Kiszka | |
1081 | 1660e72d | Jan Kiszka | void memory_region_init_reservation(MemoryRegion *mr,
|
1082 | 1660e72d | Jan Kiszka | const char *name, |
1083 | 1660e72d | Jan Kiszka | uint64_t size) |
1084 | 1660e72d | Jan Kiszka | { |
1085 | 1660e72d | Jan Kiszka | memory_region_init_io(mr, &reservation_ops, mr, name, size); |
1086 | 1660e72d | Jan Kiszka | } |
1087 | 1660e72d | Jan Kiszka | |
1088 | 093bc2cd | Avi Kivity | void memory_region_destroy(MemoryRegion *mr)
|
1089 | 093bc2cd | Avi Kivity | { |
1090 | 093bc2cd | Avi Kivity | assert(QTAILQ_EMPTY(&mr->subregions)); |
1091 | 545e92e0 | Avi Kivity | mr->destructor(mr); |
1092 | 093bc2cd | Avi Kivity | memory_region_clear_coalescing(mr); |
1093 | 7267c094 | Anthony Liguori | g_free((char *)mr->name);
|
1094 | 7267c094 | Anthony Liguori | g_free(mr->ioeventfds); |
1095 | 093bc2cd | Avi Kivity | } |
1096 | 093bc2cd | Avi Kivity | |
1097 | 093bc2cd | Avi Kivity | uint64_t memory_region_size(MemoryRegion *mr) |
1098 | 093bc2cd | Avi Kivity | { |
1099 | 08dafab4 | Avi Kivity | if (int128_eq(mr->size, int128_2_64())) {
|
1100 | 08dafab4 | Avi Kivity | return UINT64_MAX;
|
1101 | 08dafab4 | Avi Kivity | } |
1102 | 08dafab4 | Avi Kivity | return int128_get64(mr->size);
|
1103 | 093bc2cd | Avi Kivity | } |
1104 | 093bc2cd | Avi Kivity | |
1105 | 8991c79b | Avi Kivity | const char *memory_region_name(MemoryRegion *mr) |
1106 | 8991c79b | Avi Kivity | { |
1107 | 8991c79b | Avi Kivity | return mr->name;
|
1108 | 8991c79b | Avi Kivity | } |
1109 | 8991c79b | Avi Kivity | |
1110 | 8ea9252a | Avi Kivity | bool memory_region_is_ram(MemoryRegion *mr)
|
1111 | 8ea9252a | Avi Kivity | { |
1112 | 8ea9252a | Avi Kivity | return mr->ram;
|
1113 | 8ea9252a | Avi Kivity | } |
1114 | 8ea9252a | Avi Kivity | |
1115 | 55043ba3 | Avi Kivity | bool memory_region_is_logging(MemoryRegion *mr)
|
1116 | 55043ba3 | Avi Kivity | { |
1117 | 55043ba3 | Avi Kivity | return mr->dirty_log_mask;
|
1118 | 55043ba3 | Avi Kivity | } |
1119 | 55043ba3 | Avi Kivity | |
1120 | ce7923da | Avi Kivity | bool memory_region_is_rom(MemoryRegion *mr)
|
1121 | ce7923da | Avi Kivity | { |
1122 | ce7923da | Avi Kivity | return mr->ram && mr->readonly;
|
1123 | ce7923da | Avi Kivity | } |
1124 | ce7923da | Avi Kivity | |
1125 | 093bc2cd | Avi Kivity | void memory_region_set_offset(MemoryRegion *mr, target_phys_addr_t offset)
|
1126 | 093bc2cd | Avi Kivity | { |
1127 | 093bc2cd | Avi Kivity | mr->offset = offset; |
1128 | 093bc2cd | Avi Kivity | } |
1129 | 093bc2cd | Avi Kivity | |
1130 | 093bc2cd | Avi Kivity | void memory_region_set_log(MemoryRegion *mr, bool log, unsigned client) |
1131 | 093bc2cd | Avi Kivity | { |
1132 | 5a583347 | Avi Kivity | uint8_t mask = 1 << client;
|
1133 | 5a583347 | Avi Kivity | |
1134 | 5a583347 | Avi Kivity | mr->dirty_log_mask = (mr->dirty_log_mask & ~mask) | (log * mask); |
1135 | 6bba19ba | Avi Kivity | memory_region_update_topology(mr); |
1136 | 093bc2cd | Avi Kivity | } |
1137 | 093bc2cd | Avi Kivity | |
1138 | 093bc2cd | Avi Kivity | bool memory_region_get_dirty(MemoryRegion *mr, target_phys_addr_t addr,
|
1139 | cd7a45c9 | Blue Swirl | target_phys_addr_t size, unsigned client)
|
1140 | 093bc2cd | Avi Kivity | { |
1141 | 14a3c10a | Avi Kivity | assert(mr->terminates); |
1142 | cd7a45c9 | Blue Swirl | return cpu_physical_memory_get_dirty(mr->ram_addr + addr, size,
|
1143 | cd7a45c9 | Blue Swirl | 1 << client);
|
1144 | 093bc2cd | Avi Kivity | } |
1145 | 093bc2cd | Avi Kivity | |
1146 | fd4aa979 | Blue Swirl | void memory_region_set_dirty(MemoryRegion *mr, target_phys_addr_t addr,
|
1147 | fd4aa979 | Blue Swirl | target_phys_addr_t size) |
1148 | 093bc2cd | Avi Kivity | { |
1149 | 14a3c10a | Avi Kivity | assert(mr->terminates); |
1150 | fd4aa979 | Blue Swirl | return cpu_physical_memory_set_dirty_range(mr->ram_addr + addr, size, -1); |
1151 | 093bc2cd | Avi Kivity | } |
1152 | 093bc2cd | Avi Kivity | |
1153 | 093bc2cd | Avi Kivity | void memory_region_sync_dirty_bitmap(MemoryRegion *mr)
|
1154 | 093bc2cd | Avi Kivity | { |
1155 | 5a583347 | Avi Kivity | FlatRange *fr; |
1156 | 5a583347 | Avi Kivity | |
1157 | cc31e6e7 | Avi Kivity | FOR_EACH_FLAT_RANGE(fr, &address_space_memory.current_map) { |
1158 | 5a583347 | Avi Kivity | if (fr->mr == mr) {
|
1159 | 7664e80c | Avi Kivity | MEMORY_LISTENER_UPDATE_REGION(fr, &address_space_memory, log_sync); |
1160 | 5a583347 | Avi Kivity | } |
1161 | 5a583347 | Avi Kivity | } |
1162 | 093bc2cd | Avi Kivity | } |
1163 | 093bc2cd | Avi Kivity | |
1164 | 093bc2cd | Avi Kivity | void memory_region_set_readonly(MemoryRegion *mr, bool readonly) |
1165 | 093bc2cd | Avi Kivity | { |
1166 | fb1cd6f9 | Avi Kivity | if (mr->readonly != readonly) {
|
1167 | fb1cd6f9 | Avi Kivity | mr->readonly = readonly; |
1168 | 6bba19ba | Avi Kivity | memory_region_update_topology(mr); |
1169 | fb1cd6f9 | Avi Kivity | } |
1170 | 093bc2cd | Avi Kivity | } |
1171 | 093bc2cd | Avi Kivity | |
1172 | d0a9b5bc | Avi Kivity | void memory_region_rom_device_set_readable(MemoryRegion *mr, bool readable) |
1173 | d0a9b5bc | Avi Kivity | { |
1174 | d0a9b5bc | Avi Kivity | if (mr->readable != readable) {
|
1175 | d0a9b5bc | Avi Kivity | mr->readable = readable; |
1176 | 6bba19ba | Avi Kivity | memory_region_update_topology(mr); |
1177 | d0a9b5bc | Avi Kivity | } |
1178 | d0a9b5bc | Avi Kivity | } |
1179 | d0a9b5bc | Avi Kivity | |
1180 | 093bc2cd | Avi Kivity | void memory_region_reset_dirty(MemoryRegion *mr, target_phys_addr_t addr,
|
1181 | 093bc2cd | Avi Kivity | target_phys_addr_t size, unsigned client)
|
1182 | 093bc2cd | Avi Kivity | { |
1183 | 14a3c10a | Avi Kivity | assert(mr->terminates); |
1184 | 5a583347 | Avi Kivity | cpu_physical_memory_reset_dirty(mr->ram_addr + addr, |
1185 | 5a583347 | Avi Kivity | mr->ram_addr + addr + size, |
1186 | 5a583347 | Avi Kivity | 1 << client);
|
1187 | 093bc2cd | Avi Kivity | } |
1188 | 093bc2cd | Avi Kivity | |
1189 | 093bc2cd | Avi Kivity | void *memory_region_get_ram_ptr(MemoryRegion *mr)
|
1190 | 093bc2cd | Avi Kivity | { |
1191 | 093bc2cd | Avi Kivity | if (mr->alias) {
|
1192 | 093bc2cd | Avi Kivity | return memory_region_get_ram_ptr(mr->alias) + mr->alias_offset;
|
1193 | 093bc2cd | Avi Kivity | } |
1194 | 093bc2cd | Avi Kivity | |
1195 | 14a3c10a | Avi Kivity | assert(mr->terminates); |
1196 | 093bc2cd | Avi Kivity | |
1197 | 021d26d1 | Jan Kiszka | return qemu_get_ram_ptr(mr->ram_addr & TARGET_PAGE_MASK);
|
1198 | 093bc2cd | Avi Kivity | } |
1199 | 093bc2cd | Avi Kivity | |
1200 | 093bc2cd | Avi Kivity | static void memory_region_update_coalesced_range(MemoryRegion *mr) |
1201 | 093bc2cd | Avi Kivity | { |
1202 | 093bc2cd | Avi Kivity | FlatRange *fr; |
1203 | 093bc2cd | Avi Kivity | CoalescedMemoryRange *cmr; |
1204 | 093bc2cd | Avi Kivity | AddrRange tmp; |
1205 | 093bc2cd | Avi Kivity | |
1206 | cc31e6e7 | Avi Kivity | FOR_EACH_FLAT_RANGE(fr, &address_space_memory.current_map) { |
1207 | 093bc2cd | Avi Kivity | if (fr->mr == mr) {
|
1208 | 08dafab4 | Avi Kivity | qemu_unregister_coalesced_mmio(int128_get64(fr->addr.start), |
1209 | 08dafab4 | Avi Kivity | int128_get64(fr->addr.size)); |
1210 | 093bc2cd | Avi Kivity | QTAILQ_FOREACH(cmr, &mr->coalesced, link) { |
1211 | 093bc2cd | Avi Kivity | tmp = addrrange_shift(cmr->addr, |
1212 | 08dafab4 | Avi Kivity | int128_sub(fr->addr.start, |
1213 | 08dafab4 | Avi Kivity | int128_make64(fr->offset_in_region))); |
1214 | 093bc2cd | Avi Kivity | if (!addrrange_intersects(tmp, fr->addr)) {
|
1215 | 093bc2cd | Avi Kivity | continue;
|
1216 | 093bc2cd | Avi Kivity | } |
1217 | 093bc2cd | Avi Kivity | tmp = addrrange_intersection(tmp, fr->addr); |
1218 | 08dafab4 | Avi Kivity | qemu_register_coalesced_mmio(int128_get64(tmp.start), |
1219 | 08dafab4 | Avi Kivity | int128_get64(tmp.size)); |
1220 | 093bc2cd | Avi Kivity | } |
1221 | 093bc2cd | Avi Kivity | } |
1222 | 093bc2cd | Avi Kivity | } |
1223 | 093bc2cd | Avi Kivity | } |
1224 | 093bc2cd | Avi Kivity | |
1225 | 093bc2cd | Avi Kivity | void memory_region_set_coalescing(MemoryRegion *mr)
|
1226 | 093bc2cd | Avi Kivity | { |
1227 | 093bc2cd | Avi Kivity | memory_region_clear_coalescing(mr); |
1228 | 08dafab4 | Avi Kivity | memory_region_add_coalescing(mr, 0, int128_get64(mr->size));
|
1229 | 093bc2cd | Avi Kivity | } |
1230 | 093bc2cd | Avi Kivity | |
1231 | 093bc2cd | Avi Kivity | void memory_region_add_coalescing(MemoryRegion *mr,
|
1232 | 093bc2cd | Avi Kivity | target_phys_addr_t offset, |
1233 | 093bc2cd | Avi Kivity | uint64_t size) |
1234 | 093bc2cd | Avi Kivity | { |
1235 | 7267c094 | Anthony Liguori | CoalescedMemoryRange *cmr = g_malloc(sizeof(*cmr));
|
1236 | 093bc2cd | Avi Kivity | |
1237 | 08dafab4 | Avi Kivity | cmr->addr = addrrange_make(int128_make64(offset), int128_make64(size)); |
1238 | 093bc2cd | Avi Kivity | QTAILQ_INSERT_TAIL(&mr->coalesced, cmr, link); |
1239 | 093bc2cd | Avi Kivity | memory_region_update_coalesced_range(mr); |
1240 | 093bc2cd | Avi Kivity | } |
1241 | 093bc2cd | Avi Kivity | |
1242 | 093bc2cd | Avi Kivity | void memory_region_clear_coalescing(MemoryRegion *mr)
|
1243 | 093bc2cd | Avi Kivity | { |
1244 | 093bc2cd | Avi Kivity | CoalescedMemoryRange *cmr; |
1245 | 093bc2cd | Avi Kivity | |
1246 | 093bc2cd | Avi Kivity | while (!QTAILQ_EMPTY(&mr->coalesced)) {
|
1247 | 093bc2cd | Avi Kivity | cmr = QTAILQ_FIRST(&mr->coalesced); |
1248 | 093bc2cd | Avi Kivity | QTAILQ_REMOVE(&mr->coalesced, cmr, link); |
1249 | 7267c094 | Anthony Liguori | g_free(cmr); |
1250 | 093bc2cd | Avi Kivity | } |
1251 | 093bc2cd | Avi Kivity | memory_region_update_coalesced_range(mr); |
1252 | 093bc2cd | Avi Kivity | } |
1253 | 093bc2cd | Avi Kivity | |
1254 | 3e9d69e7 | Avi Kivity | void memory_region_add_eventfd(MemoryRegion *mr,
|
1255 | 3e9d69e7 | Avi Kivity | target_phys_addr_t addr, |
1256 | 3e9d69e7 | Avi Kivity | unsigned size,
|
1257 | 3e9d69e7 | Avi Kivity | bool match_data,
|
1258 | 3e9d69e7 | Avi Kivity | uint64_t data, |
1259 | 3e9d69e7 | Avi Kivity | int fd)
|
1260 | 3e9d69e7 | Avi Kivity | { |
1261 | 3e9d69e7 | Avi Kivity | MemoryRegionIoeventfd mrfd = { |
1262 | 08dafab4 | Avi Kivity | .addr.start = int128_make64(addr), |
1263 | 08dafab4 | Avi Kivity | .addr.size = int128_make64(size), |
1264 | 3e9d69e7 | Avi Kivity | .match_data = match_data, |
1265 | 3e9d69e7 | Avi Kivity | .data = data, |
1266 | 3e9d69e7 | Avi Kivity | .fd = fd, |
1267 | 3e9d69e7 | Avi Kivity | }; |
1268 | 3e9d69e7 | Avi Kivity | unsigned i;
|
1269 | 3e9d69e7 | Avi Kivity | |
1270 | 3e9d69e7 | Avi Kivity | for (i = 0; i < mr->ioeventfd_nb; ++i) { |
1271 | 3e9d69e7 | Avi Kivity | if (memory_region_ioeventfd_before(mrfd, mr->ioeventfds[i])) {
|
1272 | 3e9d69e7 | Avi Kivity | break;
|
1273 | 3e9d69e7 | Avi Kivity | } |
1274 | 3e9d69e7 | Avi Kivity | } |
1275 | 3e9d69e7 | Avi Kivity | ++mr->ioeventfd_nb; |
1276 | 7267c094 | Anthony Liguori | mr->ioeventfds = g_realloc(mr->ioeventfds, |
1277 | 3e9d69e7 | Avi Kivity | sizeof(*mr->ioeventfds) * mr->ioeventfd_nb);
|
1278 | 3e9d69e7 | Avi Kivity | memmove(&mr->ioeventfds[i+1], &mr->ioeventfds[i],
|
1279 | 3e9d69e7 | Avi Kivity | sizeof(*mr->ioeventfds) * (mr->ioeventfd_nb-1 - i)); |
1280 | 3e9d69e7 | Avi Kivity | mr->ioeventfds[i] = mrfd; |
1281 | 6bba19ba | Avi Kivity | memory_region_update_topology(mr); |
1282 | 3e9d69e7 | Avi Kivity | } |
1283 | 3e9d69e7 | Avi Kivity | |
1284 | 3e9d69e7 | Avi Kivity | void memory_region_del_eventfd(MemoryRegion *mr,
|
1285 | 3e9d69e7 | Avi Kivity | target_phys_addr_t addr, |
1286 | 3e9d69e7 | Avi Kivity | unsigned size,
|
1287 | 3e9d69e7 | Avi Kivity | bool match_data,
|
1288 | 3e9d69e7 | Avi Kivity | uint64_t data, |
1289 | 3e9d69e7 | Avi Kivity | int fd)
|
1290 | 3e9d69e7 | Avi Kivity | { |
1291 | 3e9d69e7 | Avi Kivity | MemoryRegionIoeventfd mrfd = { |
1292 | 08dafab4 | Avi Kivity | .addr.start = int128_make64(addr), |
1293 | 08dafab4 | Avi Kivity | .addr.size = int128_make64(size), |
1294 | 3e9d69e7 | Avi Kivity | .match_data = match_data, |
1295 | 3e9d69e7 | Avi Kivity | .data = data, |
1296 | 3e9d69e7 | Avi Kivity | .fd = fd, |
1297 | 3e9d69e7 | Avi Kivity | }; |
1298 | 3e9d69e7 | Avi Kivity | unsigned i;
|
1299 | 3e9d69e7 | Avi Kivity | |
1300 | 3e9d69e7 | Avi Kivity | for (i = 0; i < mr->ioeventfd_nb; ++i) { |
1301 | 3e9d69e7 | Avi Kivity | if (memory_region_ioeventfd_equal(mrfd, mr->ioeventfds[i])) {
|
1302 | 3e9d69e7 | Avi Kivity | break;
|
1303 | 3e9d69e7 | Avi Kivity | } |
1304 | 3e9d69e7 | Avi Kivity | } |
1305 | 3e9d69e7 | Avi Kivity | assert(i != mr->ioeventfd_nb); |
1306 | 3e9d69e7 | Avi Kivity | memmove(&mr->ioeventfds[i], &mr->ioeventfds[i+1],
|
1307 | 3e9d69e7 | Avi Kivity | sizeof(*mr->ioeventfds) * (mr->ioeventfd_nb - (i+1))); |
1308 | 3e9d69e7 | Avi Kivity | --mr->ioeventfd_nb; |
1309 | 7267c094 | Anthony Liguori | mr->ioeventfds = g_realloc(mr->ioeventfds, |
1310 | 3e9d69e7 | Avi Kivity | sizeof(*mr->ioeventfds)*mr->ioeventfd_nb + 1); |
1311 | 6bba19ba | Avi Kivity | memory_region_update_topology(mr); |
1312 | 3e9d69e7 | Avi Kivity | } |
1313 | 3e9d69e7 | Avi Kivity | |
1314 | 093bc2cd | Avi Kivity | static void memory_region_add_subregion_common(MemoryRegion *mr, |
1315 | 093bc2cd | Avi Kivity | target_phys_addr_t offset, |
1316 | 093bc2cd | Avi Kivity | MemoryRegion *subregion) |
1317 | 093bc2cd | Avi Kivity | { |
1318 | 093bc2cd | Avi Kivity | MemoryRegion *other; |
1319 | 093bc2cd | Avi Kivity | |
1320 | 093bc2cd | Avi Kivity | assert(!subregion->parent); |
1321 | 093bc2cd | Avi Kivity | subregion->parent = mr; |
1322 | 093bc2cd | Avi Kivity | subregion->addr = offset; |
1323 | 093bc2cd | Avi Kivity | QTAILQ_FOREACH(other, &mr->subregions, subregions_link) { |
1324 | 093bc2cd | Avi Kivity | if (subregion->may_overlap || other->may_overlap) {
|
1325 | 093bc2cd | Avi Kivity | continue;
|
1326 | 093bc2cd | Avi Kivity | } |
1327 | 08dafab4 | Avi Kivity | if (int128_gt(int128_make64(offset),
|
1328 | 08dafab4 | Avi Kivity | int128_add(int128_make64(other->addr), other->size)) |
1329 | 08dafab4 | Avi Kivity | || int128_le(int128_add(int128_make64(offset), subregion->size), |
1330 | 08dafab4 | Avi Kivity | int128_make64(other->addr))) { |
1331 | 093bc2cd | Avi Kivity | continue;
|
1332 | 093bc2cd | Avi Kivity | } |
1333 | a5e1cbc8 | Anthony Liguori | #if 0
|
1334 | 860329b2 | Michael Walle | printf("warning: subregion collision %llx/%llx (%s) "
|
1335 | 860329b2 | Michael Walle | "vs %llx/%llx (%s)\n",
|
1336 | 093bc2cd | Avi Kivity | (unsigned long long)offset,
|
1337 | 08dafab4 | Avi Kivity | (unsigned long long)int128_get64(subregion->size),
|
1338 | 860329b2 | Michael Walle | subregion->name,
|
1339 | 860329b2 | Michael Walle | (unsigned long long)other->addr,
|
1340 | 08dafab4 | Avi Kivity | (unsigned long long)int128_get64(other->size),
|
1341 | 860329b2 | Michael Walle | other->name);
|
1342 | a5e1cbc8 | Anthony Liguori | #endif
|
1343 | 093bc2cd | Avi Kivity | } |
1344 | 093bc2cd | Avi Kivity | QTAILQ_FOREACH(other, &mr->subregions, subregions_link) { |
1345 | 093bc2cd | Avi Kivity | if (subregion->priority >= other->priority) {
|
1346 | 093bc2cd | Avi Kivity | QTAILQ_INSERT_BEFORE(other, subregion, subregions_link); |
1347 | 093bc2cd | Avi Kivity | goto done;
|
1348 | 093bc2cd | Avi Kivity | } |
1349 | 093bc2cd | Avi Kivity | } |
1350 | 093bc2cd | Avi Kivity | QTAILQ_INSERT_TAIL(&mr->subregions, subregion, subregions_link); |
1351 | 093bc2cd | Avi Kivity | done:
|
1352 | 6bba19ba | Avi Kivity | memory_region_update_topology(mr); |
1353 | 093bc2cd | Avi Kivity | } |
1354 | 093bc2cd | Avi Kivity | |
1355 | 093bc2cd | Avi Kivity | |
1356 | 093bc2cd | Avi Kivity | void memory_region_add_subregion(MemoryRegion *mr,
|
1357 | 093bc2cd | Avi Kivity | target_phys_addr_t offset, |
1358 | 093bc2cd | Avi Kivity | MemoryRegion *subregion) |
1359 | 093bc2cd | Avi Kivity | { |
1360 | 093bc2cd | Avi Kivity | subregion->may_overlap = false;
|
1361 | 093bc2cd | Avi Kivity | subregion->priority = 0;
|
1362 | 093bc2cd | Avi Kivity | memory_region_add_subregion_common(mr, offset, subregion); |
1363 | 093bc2cd | Avi Kivity | } |
1364 | 093bc2cd | Avi Kivity | |
1365 | 093bc2cd | Avi Kivity | void memory_region_add_subregion_overlap(MemoryRegion *mr,
|
1366 | 093bc2cd | Avi Kivity | target_phys_addr_t offset, |
1367 | 093bc2cd | Avi Kivity | MemoryRegion *subregion, |
1368 | 093bc2cd | Avi Kivity | unsigned priority)
|
1369 | 093bc2cd | Avi Kivity | { |
1370 | 093bc2cd | Avi Kivity | subregion->may_overlap = true;
|
1371 | 093bc2cd | Avi Kivity | subregion->priority = priority; |
1372 | 093bc2cd | Avi Kivity | memory_region_add_subregion_common(mr, offset, subregion); |
1373 | 093bc2cd | Avi Kivity | } |
1374 | 093bc2cd | Avi Kivity | |
1375 | 093bc2cd | Avi Kivity | void memory_region_del_subregion(MemoryRegion *mr,
|
1376 | 093bc2cd | Avi Kivity | MemoryRegion *subregion) |
1377 | 093bc2cd | Avi Kivity | { |
1378 | 093bc2cd | Avi Kivity | assert(subregion->parent == mr); |
1379 | 093bc2cd | Avi Kivity | subregion->parent = NULL;
|
1380 | 093bc2cd | Avi Kivity | QTAILQ_REMOVE(&mr->subregions, subregion, subregions_link); |
1381 | 6bba19ba | Avi Kivity | memory_region_update_topology(mr); |
1382 | 6bba19ba | Avi Kivity | } |
1383 | 6bba19ba | Avi Kivity | |
1384 | 6bba19ba | Avi Kivity | void memory_region_set_enabled(MemoryRegion *mr, bool enabled) |
1385 | 6bba19ba | Avi Kivity | { |
1386 | 6bba19ba | Avi Kivity | if (enabled == mr->enabled) {
|
1387 | 6bba19ba | Avi Kivity | return;
|
1388 | 6bba19ba | Avi Kivity | } |
1389 | 6bba19ba | Avi Kivity | mr->enabled = enabled; |
1390 | 6bba19ba | Avi Kivity | memory_region_update_topology(NULL);
|
1391 | 093bc2cd | Avi Kivity | } |
1392 | 1c0ffa58 | Avi Kivity | |
1393 | 2282e1af | Avi Kivity | void memory_region_set_address(MemoryRegion *mr, target_phys_addr_t addr)
|
1394 | 2282e1af | Avi Kivity | { |
1395 | 2282e1af | Avi Kivity | MemoryRegion *parent = mr->parent; |
1396 | 2282e1af | Avi Kivity | unsigned priority = mr->priority;
|
1397 | 2282e1af | Avi Kivity | bool may_overlap = mr->may_overlap;
|
1398 | 2282e1af | Avi Kivity | |
1399 | 2282e1af | Avi Kivity | if (addr == mr->addr || !parent) {
|
1400 | 2282e1af | Avi Kivity | mr->addr = addr; |
1401 | 2282e1af | Avi Kivity | return;
|
1402 | 2282e1af | Avi Kivity | } |
1403 | 2282e1af | Avi Kivity | |
1404 | 2282e1af | Avi Kivity | memory_region_transaction_begin(); |
1405 | 2282e1af | Avi Kivity | memory_region_del_subregion(parent, mr); |
1406 | 2282e1af | Avi Kivity | if (may_overlap) {
|
1407 | 2282e1af | Avi Kivity | memory_region_add_subregion_overlap(parent, addr, mr, priority); |
1408 | 2282e1af | Avi Kivity | } else {
|
1409 | 2282e1af | Avi Kivity | memory_region_add_subregion(parent, addr, mr); |
1410 | 2282e1af | Avi Kivity | } |
1411 | 2282e1af | Avi Kivity | memory_region_transaction_commit(); |
1412 | 2282e1af | Avi Kivity | } |
1413 | 2282e1af | Avi Kivity | |
1414 | 4703359e | Avi Kivity | void memory_region_set_alias_offset(MemoryRegion *mr, target_phys_addr_t offset)
|
1415 | 4703359e | Avi Kivity | { |
1416 | 4703359e | Avi Kivity | target_phys_addr_t old_offset = mr->alias_offset; |
1417 | 4703359e | Avi Kivity | |
1418 | 4703359e | Avi Kivity | assert(mr->alias); |
1419 | 4703359e | Avi Kivity | mr->alias_offset = offset; |
1420 | 4703359e | Avi Kivity | |
1421 | 4703359e | Avi Kivity | if (offset == old_offset || !mr->parent) {
|
1422 | 4703359e | Avi Kivity | return;
|
1423 | 4703359e | Avi Kivity | } |
1424 | 4703359e | Avi Kivity | |
1425 | 4703359e | Avi Kivity | memory_region_update_topology(mr); |
1426 | 4703359e | Avi Kivity | } |
1427 | 4703359e | Avi Kivity | |
1428 | e34911c4 | Avi Kivity | ram_addr_t memory_region_get_ram_addr(MemoryRegion *mr) |
1429 | e34911c4 | Avi Kivity | { |
1430 | e34911c4 | Avi Kivity | return mr->ram_addr;
|
1431 | e34911c4 | Avi Kivity | } |
1432 | e34911c4 | Avi Kivity | |
1433 | e2177955 | Avi Kivity | static int cmp_flatrange_addr(const void *addr_, const void *fr_) |
1434 | e2177955 | Avi Kivity | { |
1435 | e2177955 | Avi Kivity | const AddrRange *addr = addr_;
|
1436 | e2177955 | Avi Kivity | const FlatRange *fr = fr_;
|
1437 | e2177955 | Avi Kivity | |
1438 | e2177955 | Avi Kivity | if (int128_le(addrrange_end(*addr), fr->addr.start)) {
|
1439 | e2177955 | Avi Kivity | return -1; |
1440 | e2177955 | Avi Kivity | } else if (int128_ge(addr->start, addrrange_end(fr->addr))) { |
1441 | e2177955 | Avi Kivity | return 1; |
1442 | e2177955 | Avi Kivity | } |
1443 | e2177955 | Avi Kivity | return 0; |
1444 | e2177955 | Avi Kivity | } |
1445 | e2177955 | Avi Kivity | |
1446 | e2177955 | Avi Kivity | static FlatRange *address_space_lookup(AddressSpace *as, AddrRange addr)
|
1447 | e2177955 | Avi Kivity | { |
1448 | e2177955 | Avi Kivity | return bsearch(&addr, as->current_map.ranges, as->current_map.nr,
|
1449 | e2177955 | Avi Kivity | sizeof(FlatRange), cmp_flatrange_addr);
|
1450 | e2177955 | Avi Kivity | } |
1451 | e2177955 | Avi Kivity | |
1452 | e2177955 | Avi Kivity | MemoryRegionSection memory_region_find(MemoryRegion *address_space, |
1453 | e2177955 | Avi Kivity | target_phys_addr_t addr, uint64_t size) |
1454 | e2177955 | Avi Kivity | { |
1455 | e2177955 | Avi Kivity | AddressSpace *as = memory_region_to_address_space(address_space); |
1456 | e2177955 | Avi Kivity | AddrRange range = addrrange_make(int128_make64(addr), |
1457 | e2177955 | Avi Kivity | int128_make64(size)); |
1458 | e2177955 | Avi Kivity | FlatRange *fr = address_space_lookup(as, range); |
1459 | e2177955 | Avi Kivity | MemoryRegionSection ret = { .mr = NULL, .size = 0 }; |
1460 | e2177955 | Avi Kivity | |
1461 | e2177955 | Avi Kivity | if (!fr) {
|
1462 | e2177955 | Avi Kivity | return ret;
|
1463 | e2177955 | Avi Kivity | } |
1464 | e2177955 | Avi Kivity | |
1465 | e2177955 | Avi Kivity | while (fr > as->current_map.ranges
|
1466 | e2177955 | Avi Kivity | && addrrange_intersects(fr[-1].addr, range)) {
|
1467 | e2177955 | Avi Kivity | --fr; |
1468 | e2177955 | Avi Kivity | } |
1469 | e2177955 | Avi Kivity | |
1470 | e2177955 | Avi Kivity | ret.mr = fr->mr; |
1471 | e2177955 | Avi Kivity | range = addrrange_intersection(range, fr->addr); |
1472 | e2177955 | Avi Kivity | ret.offset_within_region = fr->offset_in_region; |
1473 | e2177955 | Avi Kivity | ret.offset_within_region += int128_get64(int128_sub(range.start, |
1474 | e2177955 | Avi Kivity | fr->addr.start)); |
1475 | e2177955 | Avi Kivity | ret.size = int128_get64(range.size); |
1476 | e2177955 | Avi Kivity | ret.offset_within_address_space = int128_get64(range.start); |
1477 | e2177955 | Avi Kivity | return ret;
|
1478 | e2177955 | Avi Kivity | } |
1479 | e2177955 | Avi Kivity | |
1480 | 86e775c6 | Avi Kivity | void memory_global_sync_dirty_bitmap(MemoryRegion *address_space)
|
1481 | 86e775c6 | Avi Kivity | { |
1482 | 7664e80c | Avi Kivity | AddressSpace *as = memory_region_to_address_space(address_space); |
1483 | 7664e80c | Avi Kivity | FlatRange *fr; |
1484 | 7664e80c | Avi Kivity | |
1485 | 7664e80c | Avi Kivity | FOR_EACH_FLAT_RANGE(fr, &as->current_map) { |
1486 | 7664e80c | Avi Kivity | MEMORY_LISTENER_UPDATE_REGION(fr, as, log_sync); |
1487 | 7664e80c | Avi Kivity | } |
1488 | 7664e80c | Avi Kivity | } |
1489 | 7664e80c | Avi Kivity | |
1490 | 7664e80c | Avi Kivity | void memory_global_dirty_log_start(void) |
1491 | 7664e80c | Avi Kivity | { |
1492 | 7664e80c | Avi Kivity | MemoryListener *listener; |
1493 | 7664e80c | Avi Kivity | |
1494 | 8f77558f | Avi Kivity | cpu_physical_memory_set_dirty_tracking(1);
|
1495 | 7664e80c | Avi Kivity | global_dirty_log = true;
|
1496 | 7664e80c | Avi Kivity | QLIST_FOREACH(listener, &memory_listeners, link) { |
1497 | 7664e80c | Avi Kivity | listener->log_global_start(listener); |
1498 | 7664e80c | Avi Kivity | } |
1499 | 7664e80c | Avi Kivity | } |
1500 | 7664e80c | Avi Kivity | |
1501 | 7664e80c | Avi Kivity | void memory_global_dirty_log_stop(void) |
1502 | 7664e80c | Avi Kivity | { |
1503 | 7664e80c | Avi Kivity | MemoryListener *listener; |
1504 | 7664e80c | Avi Kivity | |
1505 | 7664e80c | Avi Kivity | global_dirty_log = false;
|
1506 | 7664e80c | Avi Kivity | QLIST_FOREACH(listener, &memory_listeners, link) { |
1507 | 7664e80c | Avi Kivity | listener->log_global_stop(listener); |
1508 | 7664e80c | Avi Kivity | } |
1509 | 8f77558f | Avi Kivity | cpu_physical_memory_set_dirty_tracking(0);
|
1510 | 7664e80c | Avi Kivity | } |
1511 | 7664e80c | Avi Kivity | |
1512 | 7664e80c | Avi Kivity | static void listener_add_address_space(MemoryListener *listener, |
1513 | 7664e80c | Avi Kivity | AddressSpace *as) |
1514 | 7664e80c | Avi Kivity | { |
1515 | 7664e80c | Avi Kivity | FlatRange *fr; |
1516 | 7664e80c | Avi Kivity | |
1517 | 7664e80c | Avi Kivity | if (global_dirty_log) {
|
1518 | 7664e80c | Avi Kivity | listener->log_global_start(listener); |
1519 | 7664e80c | Avi Kivity | } |
1520 | 7664e80c | Avi Kivity | FOR_EACH_FLAT_RANGE(fr, &as->current_map) { |
1521 | 7664e80c | Avi Kivity | MemoryRegionSection section = { |
1522 | 7664e80c | Avi Kivity | .mr = fr->mr, |
1523 | 7664e80c | Avi Kivity | .address_space = as->root, |
1524 | 7664e80c | Avi Kivity | .offset_within_region = fr->offset_in_region, |
1525 | 7664e80c | Avi Kivity | .size = int128_get64(fr->addr.size), |
1526 | 7664e80c | Avi Kivity | .offset_within_address_space = int128_get64(fr->addr.start), |
1527 | 7664e80c | Avi Kivity | }; |
1528 | 7664e80c | Avi Kivity | listener->region_add(listener, §ion); |
1529 | 7664e80c | Avi Kivity | } |
1530 | 7664e80c | Avi Kivity | } |
1531 | 7664e80c | Avi Kivity | |
1532 | 7664e80c | Avi Kivity | void memory_listener_register(MemoryListener *listener)
|
1533 | 7664e80c | Avi Kivity | { |
1534 | 7664e80c | Avi Kivity | QLIST_INSERT_HEAD(&memory_listeners, listener, link); |
1535 | 7664e80c | Avi Kivity | listener_add_address_space(listener, &address_space_memory); |
1536 | 7664e80c | Avi Kivity | listener_add_address_space(listener, &address_space_io); |
1537 | 7664e80c | Avi Kivity | } |
1538 | 7664e80c | Avi Kivity | |
1539 | 7664e80c | Avi Kivity | void memory_listener_unregister(MemoryListener *listener)
|
1540 | 7664e80c | Avi Kivity | { |
1541 | 7664e80c | Avi Kivity | QLIST_REMOVE(listener, link); |
1542 | 86e775c6 | Avi Kivity | } |
1543 | e2177955 | Avi Kivity | |
1544 | 1c0ffa58 | Avi Kivity | void set_system_memory_map(MemoryRegion *mr)
|
1545 | 1c0ffa58 | Avi Kivity | { |
1546 | cc31e6e7 | Avi Kivity | address_space_memory.root = mr; |
1547 | 6bba19ba | Avi Kivity | memory_region_update_topology(NULL);
|
1548 | 1c0ffa58 | Avi Kivity | } |
1549 | 658b2224 | Avi Kivity | |
1550 | 658b2224 | Avi Kivity | void set_system_io_map(MemoryRegion *mr)
|
1551 | 658b2224 | Avi Kivity | { |
1552 | 658b2224 | Avi Kivity | address_space_io.root = mr; |
1553 | 6bba19ba | Avi Kivity | memory_region_update_topology(NULL);
|
1554 | 658b2224 | Avi Kivity | } |
1555 | 314e2987 | Blue Swirl | |
1556 | acbbec5d | Avi Kivity | uint64_t io_mem_read(int io_index, target_phys_addr_t addr, unsigned size) |
1557 | acbbec5d | Avi Kivity | { |
1558 | a621f38d | Avi Kivity | return memory_region_dispatch_read(io_mem_region[io_index], addr, size);
|
1559 | acbbec5d | Avi Kivity | } |
1560 | acbbec5d | Avi Kivity | |
1561 | acbbec5d | Avi Kivity | void io_mem_write(int io_index, target_phys_addr_t addr, |
1562 | acbbec5d | Avi Kivity | uint64_t val, unsigned size)
|
1563 | acbbec5d | Avi Kivity | { |
1564 | a621f38d | Avi Kivity | memory_region_dispatch_write(io_mem_region[io_index], addr, val, size); |
1565 | acbbec5d | Avi Kivity | } |
1566 | acbbec5d | Avi Kivity | |
1567 | 314e2987 | Blue Swirl | typedef struct MemoryRegionList MemoryRegionList; |
1568 | 314e2987 | Blue Swirl | |
1569 | 314e2987 | Blue Swirl | struct MemoryRegionList {
|
1570 | 314e2987 | Blue Swirl | const MemoryRegion *mr;
|
1571 | 314e2987 | Blue Swirl | bool printed;
|
1572 | 314e2987 | Blue Swirl | QTAILQ_ENTRY(MemoryRegionList) queue; |
1573 | 314e2987 | Blue Swirl | }; |
1574 | 314e2987 | Blue Swirl | |
1575 | 314e2987 | Blue Swirl | typedef QTAILQ_HEAD(queue, MemoryRegionList) MemoryRegionListHead;
|
1576 | 314e2987 | Blue Swirl | |
1577 | 314e2987 | Blue Swirl | static void mtree_print_mr(fprintf_function mon_printf, void *f, |
1578 | 314e2987 | Blue Swirl | const MemoryRegion *mr, unsigned int level, |
1579 | 314e2987 | Blue Swirl | target_phys_addr_t base, |
1580 | 9479c57a | Jan Kiszka | MemoryRegionListHead *alias_print_queue) |
1581 | 314e2987 | Blue Swirl | { |
1582 | 9479c57a | Jan Kiszka | MemoryRegionList *new_ml, *ml, *next_ml; |
1583 | 9479c57a | Jan Kiszka | MemoryRegionListHead submr_print_queue; |
1584 | 314e2987 | Blue Swirl | const MemoryRegion *submr;
|
1585 | 314e2987 | Blue Swirl | unsigned int i; |
1586 | 314e2987 | Blue Swirl | |
1587 | 314e2987 | Blue Swirl | if (!mr) {
|
1588 | 314e2987 | Blue Swirl | return;
|
1589 | 314e2987 | Blue Swirl | } |
1590 | 314e2987 | Blue Swirl | |
1591 | 314e2987 | Blue Swirl | for (i = 0; i < level; i++) { |
1592 | 314e2987 | Blue Swirl | mon_printf(f, " ");
|
1593 | 314e2987 | Blue Swirl | } |
1594 | 314e2987 | Blue Swirl | |
1595 | 314e2987 | Blue Swirl | if (mr->alias) {
|
1596 | 314e2987 | Blue Swirl | MemoryRegionList *ml; |
1597 | 314e2987 | Blue Swirl | bool found = false; |
1598 | 314e2987 | Blue Swirl | |
1599 | 314e2987 | Blue Swirl | /* check if the alias is already in the queue */
|
1600 | 9479c57a | Jan Kiszka | QTAILQ_FOREACH(ml, alias_print_queue, queue) { |
1601 | 314e2987 | Blue Swirl | if (ml->mr == mr->alias && !ml->printed) {
|
1602 | 314e2987 | Blue Swirl | found = true;
|
1603 | 314e2987 | Blue Swirl | } |
1604 | 314e2987 | Blue Swirl | } |
1605 | 314e2987 | Blue Swirl | |
1606 | 314e2987 | Blue Swirl | if (!found) {
|
1607 | 314e2987 | Blue Swirl | ml = g_new(MemoryRegionList, 1);
|
1608 | 314e2987 | Blue Swirl | ml->mr = mr->alias; |
1609 | 314e2987 | Blue Swirl | ml->printed = false;
|
1610 | 9479c57a | Jan Kiszka | QTAILQ_INSERT_TAIL(alias_print_queue, ml, queue); |
1611 | 314e2987 | Blue Swirl | } |
1612 | 4b474ba7 | Jan Kiszka | mon_printf(f, TARGET_FMT_plx "-" TARGET_FMT_plx " (prio %d): alias %s @%s " |
1613 | 314e2987 | Blue Swirl | TARGET_FMT_plx "-" TARGET_FMT_plx "\n", |
1614 | 314e2987 | Blue Swirl | base + mr->addr, |
1615 | 08dafab4 | Avi Kivity | base + mr->addr |
1616 | 08dafab4 | Avi Kivity | + (target_phys_addr_t)int128_get64(mr->size) - 1,
|
1617 | 4b474ba7 | Jan Kiszka | mr->priority, |
1618 | 314e2987 | Blue Swirl | mr->name, |
1619 | 314e2987 | Blue Swirl | mr->alias->name, |
1620 | 314e2987 | Blue Swirl | mr->alias_offset, |
1621 | 08dafab4 | Avi Kivity | mr->alias_offset |
1622 | 08dafab4 | Avi Kivity | + (target_phys_addr_t)int128_get64(mr->size) - 1);
|
1623 | 314e2987 | Blue Swirl | } else {
|
1624 | 4b474ba7 | Jan Kiszka | mon_printf(f, TARGET_FMT_plx "-" TARGET_FMT_plx " (prio %d): %s\n", |
1625 | 314e2987 | Blue Swirl | base + mr->addr, |
1626 | 08dafab4 | Avi Kivity | base + mr->addr |
1627 | 08dafab4 | Avi Kivity | + (target_phys_addr_t)int128_get64(mr->size) - 1,
|
1628 | 4b474ba7 | Jan Kiszka | mr->priority, |
1629 | 314e2987 | Blue Swirl | mr->name); |
1630 | 314e2987 | Blue Swirl | } |
1631 | 9479c57a | Jan Kiszka | |
1632 | 9479c57a | Jan Kiszka | QTAILQ_INIT(&submr_print_queue); |
1633 | 9479c57a | Jan Kiszka | |
1634 | 314e2987 | Blue Swirl | QTAILQ_FOREACH(submr, &mr->subregions, subregions_link) { |
1635 | 9479c57a | Jan Kiszka | new_ml = g_new(MemoryRegionList, 1);
|
1636 | 9479c57a | Jan Kiszka | new_ml->mr = submr; |
1637 | 9479c57a | Jan Kiszka | QTAILQ_FOREACH(ml, &submr_print_queue, queue) { |
1638 | 9479c57a | Jan Kiszka | if (new_ml->mr->addr < ml->mr->addr ||
|
1639 | 9479c57a | Jan Kiszka | (new_ml->mr->addr == ml->mr->addr && |
1640 | 9479c57a | Jan Kiszka | new_ml->mr->priority > ml->mr->priority)) { |
1641 | 9479c57a | Jan Kiszka | QTAILQ_INSERT_BEFORE(ml, new_ml, queue); |
1642 | 9479c57a | Jan Kiszka | new_ml = NULL;
|
1643 | 9479c57a | Jan Kiszka | break;
|
1644 | 9479c57a | Jan Kiszka | } |
1645 | 9479c57a | Jan Kiszka | } |
1646 | 9479c57a | Jan Kiszka | if (new_ml) {
|
1647 | 9479c57a | Jan Kiszka | QTAILQ_INSERT_TAIL(&submr_print_queue, new_ml, queue); |
1648 | 9479c57a | Jan Kiszka | } |
1649 | 9479c57a | Jan Kiszka | } |
1650 | 9479c57a | Jan Kiszka | |
1651 | 9479c57a | Jan Kiszka | QTAILQ_FOREACH(ml, &submr_print_queue, queue) { |
1652 | 9479c57a | Jan Kiszka | mtree_print_mr(mon_printf, f, ml->mr, level + 1, base + mr->addr,
|
1653 | 9479c57a | Jan Kiszka | alias_print_queue); |
1654 | 9479c57a | Jan Kiszka | } |
1655 | 9479c57a | Jan Kiszka | |
1656 | 88365e47 | Avi Kivity | QTAILQ_FOREACH_SAFE(ml, &submr_print_queue, queue, next_ml) { |
1657 | 9479c57a | Jan Kiszka | g_free(ml); |
1658 | 314e2987 | Blue Swirl | } |
1659 | 314e2987 | Blue Swirl | } |
1660 | 314e2987 | Blue Swirl | |
1661 | 314e2987 | Blue Swirl | void mtree_info(fprintf_function mon_printf, void *f) |
1662 | 314e2987 | Blue Swirl | { |
1663 | 314e2987 | Blue Swirl | MemoryRegionListHead ml_head; |
1664 | 314e2987 | Blue Swirl | MemoryRegionList *ml, *ml2; |
1665 | 314e2987 | Blue Swirl | |
1666 | 314e2987 | Blue Swirl | QTAILQ_INIT(&ml_head); |
1667 | 314e2987 | Blue Swirl | |
1668 | 314e2987 | Blue Swirl | mon_printf(f, "memory\n");
|
1669 | 314e2987 | Blue Swirl | mtree_print_mr(mon_printf, f, address_space_memory.root, 0, 0, &ml_head); |
1670 | 314e2987 | Blue Swirl | |
1671 | 314e2987 | Blue Swirl | /* print aliased regions */
|
1672 | 314e2987 | Blue Swirl | QTAILQ_FOREACH(ml, &ml_head, queue) { |
1673 | 314e2987 | Blue Swirl | if (!ml->printed) {
|
1674 | 314e2987 | Blue Swirl | mon_printf(f, "%s\n", ml->mr->name);
|
1675 | 314e2987 | Blue Swirl | mtree_print_mr(mon_printf, f, ml->mr, 0, 0, &ml_head); |
1676 | 314e2987 | Blue Swirl | } |
1677 | 314e2987 | Blue Swirl | } |
1678 | 314e2987 | Blue Swirl | |
1679 | 314e2987 | Blue Swirl | QTAILQ_FOREACH_SAFE(ml, &ml_head, queue, ml2) { |
1680 | 88365e47 | Avi Kivity | g_free(ml); |
1681 | 314e2987 | Blue Swirl | } |
1682 | 314e2987 | Blue Swirl | |
1683 | 06631810 | Jan Kiszka | if (address_space_io.root &&
|
1684 | 06631810 | Jan Kiszka | !QTAILQ_EMPTY(&address_space_io.root->subregions)) { |
1685 | 06631810 | Jan Kiszka | QTAILQ_INIT(&ml_head); |
1686 | 06631810 | Jan Kiszka | mon_printf(f, "I/O\n");
|
1687 | 06631810 | Jan Kiszka | mtree_print_mr(mon_printf, f, address_space_io.root, 0, 0, &ml_head); |
1688 | 06631810 | Jan Kiszka | } |
1689 | 314e2987 | Blue Swirl | } |