root / memory.c @ ce5d2f33
History | View | Annotate | Download (55.8 kB)
1 | 093bc2cd | Avi Kivity | /*
|
---|---|---|---|
2 | 093bc2cd | Avi Kivity | * Physical memory management
|
3 | 093bc2cd | Avi Kivity | *
|
4 | 093bc2cd | Avi Kivity | * Copyright 2011 Red Hat, Inc. and/or its affiliates
|
5 | 093bc2cd | Avi Kivity | *
|
6 | 093bc2cd | Avi Kivity | * Authors:
|
7 | 093bc2cd | Avi Kivity | * Avi Kivity <avi@redhat.com>
|
8 | 093bc2cd | Avi Kivity | *
|
9 | 093bc2cd | Avi Kivity | * This work is licensed under the terms of the GNU GPL, version 2. See
|
10 | 093bc2cd | Avi Kivity | * the COPYING file in the top-level directory.
|
11 | 093bc2cd | Avi Kivity | *
|
12 | 6b620ca3 | Paolo Bonzini | * Contributions after 2012-01-13 are licensed under the terms of the
|
13 | 6b620ca3 | Paolo Bonzini | * GNU GPL, version 2 or (at your option) any later version.
|
14 | 093bc2cd | Avi Kivity | */
|
15 | 093bc2cd | Avi Kivity | |
16 | 022c62cb | Paolo Bonzini | #include "exec/memory.h" |
17 | 022c62cb | Paolo Bonzini | #include "exec/address-spaces.h" |
18 | 022c62cb | Paolo Bonzini | #include "exec/ioport.h" |
19 | 1de7afc9 | Paolo Bonzini | #include "qemu/bitops.h" |
20 | 9c17d615 | Paolo Bonzini | #include "sysemu/kvm.h" |
21 | 093bc2cd | Avi Kivity | #include <assert.h> |
22 | 093bc2cd | Avi Kivity | |
23 | 022c62cb | Paolo Bonzini | #include "exec/memory-internal.h" |
24 | 67d95c15 | Avi Kivity | |
25 | d197063f | Paolo Bonzini | //#define DEBUG_UNASSIGNED
|
26 | d197063f | Paolo Bonzini | |
27 | 22bde714 | Jan Kiszka | static unsigned memory_region_transaction_depth; |
28 | 22bde714 | Jan Kiszka | static bool memory_region_update_pending; |
29 | 7664e80c | Avi Kivity | static bool global_dirty_log = false; |
30 | 7664e80c | Avi Kivity | |
31 | 72e22d2f | Avi Kivity | static QTAILQ_HEAD(memory_listeners, MemoryListener) memory_listeners
|
32 | 72e22d2f | Avi Kivity | = QTAILQ_HEAD_INITIALIZER(memory_listeners); |
33 | 4ef4db86 | Avi Kivity | |
34 | 0d673e36 | Avi Kivity | static QTAILQ_HEAD(, AddressSpace) address_spaces
|
35 | 0d673e36 | Avi Kivity | = QTAILQ_HEAD_INITIALIZER(address_spaces); |
36 | 0d673e36 | Avi Kivity | |
37 | 093bc2cd | Avi Kivity | typedef struct AddrRange AddrRange; |
38 | 093bc2cd | Avi Kivity | |
39 | 8417cebf | Avi Kivity | /*
|
40 | 8417cebf | Avi Kivity | * Note using signed integers limits us to physical addresses at most
|
41 | 8417cebf | Avi Kivity | * 63 bits wide. They are needed for negative offsetting in aliases
|
42 | 8417cebf | Avi Kivity | * (large MemoryRegion::alias_offset).
|
43 | 8417cebf | Avi Kivity | */
|
44 | 093bc2cd | Avi Kivity | struct AddrRange {
|
45 | 08dafab4 | Avi Kivity | Int128 start; |
46 | 08dafab4 | Avi Kivity | Int128 size; |
47 | 093bc2cd | Avi Kivity | }; |
48 | 093bc2cd | Avi Kivity | |
49 | 08dafab4 | Avi Kivity | static AddrRange addrrange_make(Int128 start, Int128 size)
|
50 | 093bc2cd | Avi Kivity | { |
51 | 093bc2cd | Avi Kivity | return (AddrRange) { start, size };
|
52 | 093bc2cd | Avi Kivity | } |
53 | 093bc2cd | Avi Kivity | |
54 | 093bc2cd | Avi Kivity | static bool addrrange_equal(AddrRange r1, AddrRange r2) |
55 | 093bc2cd | Avi Kivity | { |
56 | 08dafab4 | Avi Kivity | return int128_eq(r1.start, r2.start) && int128_eq(r1.size, r2.size);
|
57 | 093bc2cd | Avi Kivity | } |
58 | 093bc2cd | Avi Kivity | |
59 | 08dafab4 | Avi Kivity | static Int128 addrrange_end(AddrRange r)
|
60 | 093bc2cd | Avi Kivity | { |
61 | 08dafab4 | Avi Kivity | return int128_add(r.start, r.size);
|
62 | 093bc2cd | Avi Kivity | } |
63 | 093bc2cd | Avi Kivity | |
64 | 08dafab4 | Avi Kivity | static AddrRange addrrange_shift(AddrRange range, Int128 delta)
|
65 | 093bc2cd | Avi Kivity | { |
66 | 08dafab4 | Avi Kivity | int128_addto(&range.start, delta); |
67 | 093bc2cd | Avi Kivity | return range;
|
68 | 093bc2cd | Avi Kivity | } |
69 | 093bc2cd | Avi Kivity | |
70 | 08dafab4 | Avi Kivity | static bool addrrange_contains(AddrRange range, Int128 addr) |
71 | 08dafab4 | Avi Kivity | { |
72 | 08dafab4 | Avi Kivity | return int128_ge(addr, range.start)
|
73 | 08dafab4 | Avi Kivity | && int128_lt(addr, addrrange_end(range)); |
74 | 08dafab4 | Avi Kivity | } |
75 | 08dafab4 | Avi Kivity | |
76 | 093bc2cd | Avi Kivity | static bool addrrange_intersects(AddrRange r1, AddrRange r2) |
77 | 093bc2cd | Avi Kivity | { |
78 | 08dafab4 | Avi Kivity | return addrrange_contains(r1, r2.start)
|
79 | 08dafab4 | Avi Kivity | || addrrange_contains(r2, r1.start); |
80 | 093bc2cd | Avi Kivity | } |
81 | 093bc2cd | Avi Kivity | |
82 | 093bc2cd | Avi Kivity | static AddrRange addrrange_intersection(AddrRange r1, AddrRange r2)
|
83 | 093bc2cd | Avi Kivity | { |
84 | 08dafab4 | Avi Kivity | Int128 start = int128_max(r1.start, r2.start); |
85 | 08dafab4 | Avi Kivity | Int128 end = int128_min(addrrange_end(r1), addrrange_end(r2)); |
86 | 08dafab4 | Avi Kivity | return addrrange_make(start, int128_sub(end, start));
|
87 | 093bc2cd | Avi Kivity | } |
88 | 093bc2cd | Avi Kivity | |
89 | 0e0d36b4 | Avi Kivity | enum ListenerDirection { Forward, Reverse };
|
90 | 0e0d36b4 | Avi Kivity | |
91 | 7376e582 | Avi Kivity | static bool memory_listener_match(MemoryListener *listener, |
92 | 7376e582 | Avi Kivity | MemoryRegionSection *section) |
93 | 7376e582 | Avi Kivity | { |
94 | 7376e582 | Avi Kivity | return !listener->address_space_filter
|
95 | 7376e582 | Avi Kivity | || listener->address_space_filter == section->address_space; |
96 | 7376e582 | Avi Kivity | } |
97 | 7376e582 | Avi Kivity | |
98 | 7376e582 | Avi Kivity | #define MEMORY_LISTENER_CALL_GLOBAL(_callback, _direction, _args...) \
|
99 | 0e0d36b4 | Avi Kivity | do { \
|
100 | 0e0d36b4 | Avi Kivity | MemoryListener *_listener; \ |
101 | 0e0d36b4 | Avi Kivity | \ |
102 | 0e0d36b4 | Avi Kivity | switch (_direction) { \
|
103 | 0e0d36b4 | Avi Kivity | case Forward: \
|
104 | 0e0d36b4 | Avi Kivity | QTAILQ_FOREACH(_listener, &memory_listeners, link) { \ |
105 | 975aefe0 | Avi Kivity | if (_listener->_callback) { \
|
106 | 975aefe0 | Avi Kivity | _listener->_callback(_listener, ##_args); \ |
107 | 975aefe0 | Avi Kivity | } \ |
108 | 0e0d36b4 | Avi Kivity | } \ |
109 | 0e0d36b4 | Avi Kivity | break; \
|
110 | 0e0d36b4 | Avi Kivity | case Reverse: \
|
111 | 0e0d36b4 | Avi Kivity | QTAILQ_FOREACH_REVERSE(_listener, &memory_listeners, \ |
112 | 0e0d36b4 | Avi Kivity | memory_listeners, link) { \ |
113 | 975aefe0 | Avi Kivity | if (_listener->_callback) { \
|
114 | 975aefe0 | Avi Kivity | _listener->_callback(_listener, ##_args); \ |
115 | 975aefe0 | Avi Kivity | } \ |
116 | 0e0d36b4 | Avi Kivity | } \ |
117 | 0e0d36b4 | Avi Kivity | break; \
|
118 | 0e0d36b4 | Avi Kivity | default: \
|
119 | 0e0d36b4 | Avi Kivity | abort(); \ |
120 | 0e0d36b4 | Avi Kivity | } \ |
121 | 0e0d36b4 | Avi Kivity | } while (0) |
122 | 0e0d36b4 | Avi Kivity | |
123 | 7376e582 | Avi Kivity | #define MEMORY_LISTENER_CALL(_callback, _direction, _section, _args...) \
|
124 | 7376e582 | Avi Kivity | do { \
|
125 | 7376e582 | Avi Kivity | MemoryListener *_listener; \ |
126 | 7376e582 | Avi Kivity | \ |
127 | 7376e582 | Avi Kivity | switch (_direction) { \
|
128 | 7376e582 | Avi Kivity | case Forward: \
|
129 | 7376e582 | Avi Kivity | QTAILQ_FOREACH(_listener, &memory_listeners, link) { \ |
130 | 975aefe0 | Avi Kivity | if (_listener->_callback \
|
131 | 975aefe0 | Avi Kivity | && memory_listener_match(_listener, _section)) { \ |
132 | 7376e582 | Avi Kivity | _listener->_callback(_listener, _section, ##_args); \ |
133 | 7376e582 | Avi Kivity | } \ |
134 | 7376e582 | Avi Kivity | } \ |
135 | 7376e582 | Avi Kivity | break; \
|
136 | 7376e582 | Avi Kivity | case Reverse: \
|
137 | 7376e582 | Avi Kivity | QTAILQ_FOREACH_REVERSE(_listener, &memory_listeners, \ |
138 | 7376e582 | Avi Kivity | memory_listeners, link) { \ |
139 | 975aefe0 | Avi Kivity | if (_listener->_callback \
|
140 | 975aefe0 | Avi Kivity | && memory_listener_match(_listener, _section)) { \ |
141 | 7376e582 | Avi Kivity | _listener->_callback(_listener, _section, ##_args); \ |
142 | 7376e582 | Avi Kivity | } \ |
143 | 7376e582 | Avi Kivity | } \ |
144 | 7376e582 | Avi Kivity | break; \
|
145 | 7376e582 | Avi Kivity | default: \
|
146 | 7376e582 | Avi Kivity | abort(); \ |
147 | 7376e582 | Avi Kivity | } \ |
148 | 7376e582 | Avi Kivity | } while (0) |
149 | 7376e582 | Avi Kivity | |
150 | 0e0d36b4 | Avi Kivity | #define MEMORY_LISTENER_UPDATE_REGION(fr, as, dir, callback) \
|
151 | 7376e582 | Avi Kivity | MEMORY_LISTENER_CALL(callback, dir, (&(MemoryRegionSection) { \ |
152 | 0e0d36b4 | Avi Kivity | .mr = (fr)->mr, \ |
153 | f6790af6 | Avi Kivity | .address_space = (as), \ |
154 | 0e0d36b4 | Avi Kivity | .offset_within_region = (fr)->offset_in_region, \ |
155 | 0e0d36b4 | Avi Kivity | .size = int128_get64((fr)->addr.size), \ |
156 | 0e0d36b4 | Avi Kivity | .offset_within_address_space = int128_get64((fr)->addr.start), \ |
157 | 7a8499e8 | Avi Kivity | .readonly = (fr)->readonly, \ |
158 | 7376e582 | Avi Kivity | })) |
159 | 0e0d36b4 | Avi Kivity | |
160 | 093bc2cd | Avi Kivity | struct CoalescedMemoryRange {
|
161 | 093bc2cd | Avi Kivity | AddrRange addr; |
162 | 093bc2cd | Avi Kivity | QTAILQ_ENTRY(CoalescedMemoryRange) link; |
163 | 093bc2cd | Avi Kivity | }; |
164 | 093bc2cd | Avi Kivity | |
165 | 3e9d69e7 | Avi Kivity | struct MemoryRegionIoeventfd {
|
166 | 3e9d69e7 | Avi Kivity | AddrRange addr; |
167 | 3e9d69e7 | Avi Kivity | bool match_data;
|
168 | 3e9d69e7 | Avi Kivity | uint64_t data; |
169 | 753d5e14 | Paolo Bonzini | EventNotifier *e; |
170 | 3e9d69e7 | Avi Kivity | }; |
171 | 3e9d69e7 | Avi Kivity | |
172 | 3e9d69e7 | Avi Kivity | static bool memory_region_ioeventfd_before(MemoryRegionIoeventfd a, |
173 | 3e9d69e7 | Avi Kivity | MemoryRegionIoeventfd b) |
174 | 3e9d69e7 | Avi Kivity | { |
175 | 08dafab4 | Avi Kivity | if (int128_lt(a.addr.start, b.addr.start)) {
|
176 | 3e9d69e7 | Avi Kivity | return true; |
177 | 08dafab4 | Avi Kivity | } else if (int128_gt(a.addr.start, b.addr.start)) { |
178 | 3e9d69e7 | Avi Kivity | return false; |
179 | 08dafab4 | Avi Kivity | } else if (int128_lt(a.addr.size, b.addr.size)) { |
180 | 3e9d69e7 | Avi Kivity | return true; |
181 | 08dafab4 | Avi Kivity | } else if (int128_gt(a.addr.size, b.addr.size)) { |
182 | 3e9d69e7 | Avi Kivity | return false; |
183 | 3e9d69e7 | Avi Kivity | } else if (a.match_data < b.match_data) { |
184 | 3e9d69e7 | Avi Kivity | return true; |
185 | 3e9d69e7 | Avi Kivity | } else if (a.match_data > b.match_data) { |
186 | 3e9d69e7 | Avi Kivity | return false; |
187 | 3e9d69e7 | Avi Kivity | } else if (a.match_data) { |
188 | 3e9d69e7 | Avi Kivity | if (a.data < b.data) {
|
189 | 3e9d69e7 | Avi Kivity | return true; |
190 | 3e9d69e7 | Avi Kivity | } else if (a.data > b.data) { |
191 | 3e9d69e7 | Avi Kivity | return false; |
192 | 3e9d69e7 | Avi Kivity | } |
193 | 3e9d69e7 | Avi Kivity | } |
194 | 753d5e14 | Paolo Bonzini | if (a.e < b.e) {
|
195 | 3e9d69e7 | Avi Kivity | return true; |
196 | 753d5e14 | Paolo Bonzini | } else if (a.e > b.e) { |
197 | 3e9d69e7 | Avi Kivity | return false; |
198 | 3e9d69e7 | Avi Kivity | } |
199 | 3e9d69e7 | Avi Kivity | return false; |
200 | 3e9d69e7 | Avi Kivity | } |
201 | 3e9d69e7 | Avi Kivity | |
202 | 3e9d69e7 | Avi Kivity | static bool memory_region_ioeventfd_equal(MemoryRegionIoeventfd a, |
203 | 3e9d69e7 | Avi Kivity | MemoryRegionIoeventfd b) |
204 | 3e9d69e7 | Avi Kivity | { |
205 | 3e9d69e7 | Avi Kivity | return !memory_region_ioeventfd_before(a, b)
|
206 | 3e9d69e7 | Avi Kivity | && !memory_region_ioeventfd_before(b, a); |
207 | 3e9d69e7 | Avi Kivity | } |
208 | 3e9d69e7 | Avi Kivity | |
209 | 093bc2cd | Avi Kivity | typedef struct FlatRange FlatRange; |
210 | 093bc2cd | Avi Kivity | typedef struct FlatView FlatView; |
211 | 093bc2cd | Avi Kivity | |
212 | 093bc2cd | Avi Kivity | /* Range of memory in the global map. Addresses are absolute. */
|
213 | 093bc2cd | Avi Kivity | struct FlatRange {
|
214 | 093bc2cd | Avi Kivity | MemoryRegion *mr; |
215 | a8170e5e | Avi Kivity | hwaddr offset_in_region; |
216 | 093bc2cd | Avi Kivity | AddrRange addr; |
217 | 5a583347 | Avi Kivity | uint8_t dirty_log_mask; |
218 | 5f9a5ea1 | Jan Kiszka | bool romd_mode;
|
219 | fb1cd6f9 | Avi Kivity | bool readonly;
|
220 | 093bc2cd | Avi Kivity | }; |
221 | 093bc2cd | Avi Kivity | |
222 | 093bc2cd | Avi Kivity | /* Flattened global view of current active memory hierarchy. Kept in sorted
|
223 | 093bc2cd | Avi Kivity | * order.
|
224 | 093bc2cd | Avi Kivity | */
|
225 | 093bc2cd | Avi Kivity | struct FlatView {
|
226 | 093bc2cd | Avi Kivity | FlatRange *ranges; |
227 | 093bc2cd | Avi Kivity | unsigned nr;
|
228 | 093bc2cd | Avi Kivity | unsigned nr_allocated;
|
229 | 093bc2cd | Avi Kivity | }; |
230 | 093bc2cd | Avi Kivity | |
231 | cc31e6e7 | Avi Kivity | typedef struct AddressSpaceOps AddressSpaceOps; |
232 | cc31e6e7 | Avi Kivity | |
233 | 093bc2cd | Avi Kivity | #define FOR_EACH_FLAT_RANGE(var, view) \
|
234 | 093bc2cd | Avi Kivity | for (var = (view)->ranges; var < (view)->ranges + (view)->nr; ++var)
|
235 | 093bc2cd | Avi Kivity | |
236 | 093bc2cd | Avi Kivity | static bool flatrange_equal(FlatRange *a, FlatRange *b) |
237 | 093bc2cd | Avi Kivity | { |
238 | 093bc2cd | Avi Kivity | return a->mr == b->mr
|
239 | 093bc2cd | Avi Kivity | && addrrange_equal(a->addr, b->addr) |
240 | d0a9b5bc | Avi Kivity | && a->offset_in_region == b->offset_in_region |
241 | 5f9a5ea1 | Jan Kiszka | && a->romd_mode == b->romd_mode |
242 | fb1cd6f9 | Avi Kivity | && a->readonly == b->readonly; |
243 | 093bc2cd | Avi Kivity | } |
244 | 093bc2cd | Avi Kivity | |
245 | 093bc2cd | Avi Kivity | static void flatview_init(FlatView *view) |
246 | 093bc2cd | Avi Kivity | { |
247 | 093bc2cd | Avi Kivity | view->ranges = NULL;
|
248 | 093bc2cd | Avi Kivity | view->nr = 0;
|
249 | 093bc2cd | Avi Kivity | view->nr_allocated = 0;
|
250 | 093bc2cd | Avi Kivity | } |
251 | 093bc2cd | Avi Kivity | |
252 | 093bc2cd | Avi Kivity | /* Insert a range into a given position. Caller is responsible for maintaining
|
253 | 093bc2cd | Avi Kivity | * sorting order.
|
254 | 093bc2cd | Avi Kivity | */
|
255 | 093bc2cd | Avi Kivity | static void flatview_insert(FlatView *view, unsigned pos, FlatRange *range) |
256 | 093bc2cd | Avi Kivity | { |
257 | 093bc2cd | Avi Kivity | if (view->nr == view->nr_allocated) {
|
258 | 093bc2cd | Avi Kivity | view->nr_allocated = MAX(2 * view->nr, 10); |
259 | 7267c094 | Anthony Liguori | view->ranges = g_realloc(view->ranges, |
260 | 093bc2cd | Avi Kivity | view->nr_allocated * sizeof(*view->ranges));
|
261 | 093bc2cd | Avi Kivity | } |
262 | 093bc2cd | Avi Kivity | memmove(view->ranges + pos + 1, view->ranges + pos,
|
263 | 093bc2cd | Avi Kivity | (view->nr - pos) * sizeof(FlatRange));
|
264 | 093bc2cd | Avi Kivity | view->ranges[pos] = *range; |
265 | 093bc2cd | Avi Kivity | ++view->nr; |
266 | 093bc2cd | Avi Kivity | } |
267 | 093bc2cd | Avi Kivity | |
268 | 093bc2cd | Avi Kivity | static void flatview_destroy(FlatView *view) |
269 | 093bc2cd | Avi Kivity | { |
270 | 7267c094 | Anthony Liguori | g_free(view->ranges); |
271 | 093bc2cd | Avi Kivity | } |
272 | 093bc2cd | Avi Kivity | |
273 | 3d8e6bf9 | Avi Kivity | static bool can_merge(FlatRange *r1, FlatRange *r2) |
274 | 3d8e6bf9 | Avi Kivity | { |
275 | 08dafab4 | Avi Kivity | return int128_eq(addrrange_end(r1->addr), r2->addr.start)
|
276 | 3d8e6bf9 | Avi Kivity | && r1->mr == r2->mr |
277 | 08dafab4 | Avi Kivity | && int128_eq(int128_add(int128_make64(r1->offset_in_region), |
278 | 08dafab4 | Avi Kivity | r1->addr.size), |
279 | 08dafab4 | Avi Kivity | int128_make64(r2->offset_in_region)) |
280 | d0a9b5bc | Avi Kivity | && r1->dirty_log_mask == r2->dirty_log_mask |
281 | 5f9a5ea1 | Jan Kiszka | && r1->romd_mode == r2->romd_mode |
282 | fb1cd6f9 | Avi Kivity | && r1->readonly == r2->readonly; |
283 | 3d8e6bf9 | Avi Kivity | } |
284 | 3d8e6bf9 | Avi Kivity | |
285 | 3d8e6bf9 | Avi Kivity | /* Attempt to simplify a view by merging ajacent ranges */
|
286 | 3d8e6bf9 | Avi Kivity | static void flatview_simplify(FlatView *view) |
287 | 3d8e6bf9 | Avi Kivity | { |
288 | 3d8e6bf9 | Avi Kivity | unsigned i, j;
|
289 | 3d8e6bf9 | Avi Kivity | |
290 | 3d8e6bf9 | Avi Kivity | i = 0;
|
291 | 3d8e6bf9 | Avi Kivity | while (i < view->nr) {
|
292 | 3d8e6bf9 | Avi Kivity | j = i + 1;
|
293 | 3d8e6bf9 | Avi Kivity | while (j < view->nr
|
294 | 3d8e6bf9 | Avi Kivity | && can_merge(&view->ranges[j-1], &view->ranges[j])) {
|
295 | 08dafab4 | Avi Kivity | int128_addto(&view->ranges[i].addr.size, view->ranges[j].addr.size); |
296 | 3d8e6bf9 | Avi Kivity | ++j; |
297 | 3d8e6bf9 | Avi Kivity | } |
298 | 3d8e6bf9 | Avi Kivity | ++i; |
299 | 3d8e6bf9 | Avi Kivity | memmove(&view->ranges[i], &view->ranges[j], |
300 | 3d8e6bf9 | Avi Kivity | (view->nr - j) * sizeof(view->ranges[j]));
|
301 | 3d8e6bf9 | Avi Kivity | view->nr -= j - i; |
302 | 3d8e6bf9 | Avi Kivity | } |
303 | 3d8e6bf9 | Avi Kivity | } |
304 | 3d8e6bf9 | Avi Kivity | |
305 | ce5d2f33 | Paolo Bonzini | static void memory_region_oldmmio_read_accessor(void *opaque, |
306 | ce5d2f33 | Paolo Bonzini | hwaddr addr, |
307 | ce5d2f33 | Paolo Bonzini | uint64_t *value, |
308 | ce5d2f33 | Paolo Bonzini | unsigned size,
|
309 | ce5d2f33 | Paolo Bonzini | unsigned shift,
|
310 | ce5d2f33 | Paolo Bonzini | uint64_t mask) |
311 | ce5d2f33 | Paolo Bonzini | { |
312 | ce5d2f33 | Paolo Bonzini | MemoryRegion *mr = opaque; |
313 | ce5d2f33 | Paolo Bonzini | uint64_t tmp; |
314 | ce5d2f33 | Paolo Bonzini | |
315 | ce5d2f33 | Paolo Bonzini | tmp = mr->ops->old_mmio.read[ctz32(size)](mr->opaque, addr); |
316 | ce5d2f33 | Paolo Bonzini | *value |= (tmp & mask) << shift; |
317 | ce5d2f33 | Paolo Bonzini | } |
318 | ce5d2f33 | Paolo Bonzini | |
319 | 164a4dcd | Avi Kivity | static void memory_region_read_accessor(void *opaque, |
320 | a8170e5e | Avi Kivity | hwaddr addr, |
321 | 164a4dcd | Avi Kivity | uint64_t *value, |
322 | 164a4dcd | Avi Kivity | unsigned size,
|
323 | 164a4dcd | Avi Kivity | unsigned shift,
|
324 | 164a4dcd | Avi Kivity | uint64_t mask) |
325 | 164a4dcd | Avi Kivity | { |
326 | 164a4dcd | Avi Kivity | MemoryRegion *mr = opaque; |
327 | 164a4dcd | Avi Kivity | uint64_t tmp; |
328 | 164a4dcd | Avi Kivity | |
329 | d410515e | Jan Kiszka | if (mr->flush_coalesced_mmio) {
|
330 | d410515e | Jan Kiszka | qemu_flush_coalesced_mmio_buffer(); |
331 | d410515e | Jan Kiszka | } |
332 | 164a4dcd | Avi Kivity | tmp = mr->ops->read(mr->opaque, addr, size); |
333 | 164a4dcd | Avi Kivity | *value |= (tmp & mask) << shift; |
334 | 164a4dcd | Avi Kivity | } |
335 | 164a4dcd | Avi Kivity | |
336 | ce5d2f33 | Paolo Bonzini | static void memory_region_oldmmio_write_accessor(void *opaque, |
337 | ce5d2f33 | Paolo Bonzini | hwaddr addr, |
338 | ce5d2f33 | Paolo Bonzini | uint64_t *value, |
339 | ce5d2f33 | Paolo Bonzini | unsigned size,
|
340 | ce5d2f33 | Paolo Bonzini | unsigned shift,
|
341 | ce5d2f33 | Paolo Bonzini | uint64_t mask) |
342 | ce5d2f33 | Paolo Bonzini | { |
343 | ce5d2f33 | Paolo Bonzini | MemoryRegion *mr = opaque; |
344 | ce5d2f33 | Paolo Bonzini | uint64_t tmp; |
345 | ce5d2f33 | Paolo Bonzini | |
346 | ce5d2f33 | Paolo Bonzini | tmp = (*value >> shift) & mask; |
347 | ce5d2f33 | Paolo Bonzini | mr->ops->old_mmio.write[ctz32(size)](mr->opaque, addr, tmp); |
348 | ce5d2f33 | Paolo Bonzini | } |
349 | ce5d2f33 | Paolo Bonzini | |
350 | 164a4dcd | Avi Kivity | static void memory_region_write_accessor(void *opaque, |
351 | a8170e5e | Avi Kivity | hwaddr addr, |
352 | 164a4dcd | Avi Kivity | uint64_t *value, |
353 | 164a4dcd | Avi Kivity | unsigned size,
|
354 | 164a4dcd | Avi Kivity | unsigned shift,
|
355 | 164a4dcd | Avi Kivity | uint64_t mask) |
356 | 164a4dcd | Avi Kivity | { |
357 | 164a4dcd | Avi Kivity | MemoryRegion *mr = opaque; |
358 | 164a4dcd | Avi Kivity | uint64_t tmp; |
359 | 164a4dcd | Avi Kivity | |
360 | d410515e | Jan Kiszka | if (mr->flush_coalesced_mmio) {
|
361 | d410515e | Jan Kiszka | qemu_flush_coalesced_mmio_buffer(); |
362 | d410515e | Jan Kiszka | } |
363 | 164a4dcd | Avi Kivity | tmp = (*value >> shift) & mask; |
364 | 164a4dcd | Avi Kivity | mr->ops->write(mr->opaque, addr, tmp, size); |
365 | 164a4dcd | Avi Kivity | } |
366 | 164a4dcd | Avi Kivity | |
367 | a8170e5e | Avi Kivity | static void access_with_adjusted_size(hwaddr addr, |
368 | 164a4dcd | Avi Kivity | uint64_t *value, |
369 | 164a4dcd | Avi Kivity | unsigned size,
|
370 | 164a4dcd | Avi Kivity | unsigned access_size_min,
|
371 | 164a4dcd | Avi Kivity | unsigned access_size_max,
|
372 | 164a4dcd | Avi Kivity | void (*access)(void *opaque, |
373 | a8170e5e | Avi Kivity | hwaddr addr, |
374 | 164a4dcd | Avi Kivity | uint64_t *value, |
375 | 164a4dcd | Avi Kivity | unsigned size,
|
376 | 164a4dcd | Avi Kivity | unsigned shift,
|
377 | 164a4dcd | Avi Kivity | uint64_t mask), |
378 | 164a4dcd | Avi Kivity | void *opaque)
|
379 | 164a4dcd | Avi Kivity | { |
380 | 164a4dcd | Avi Kivity | uint64_t access_mask; |
381 | 164a4dcd | Avi Kivity | unsigned access_size;
|
382 | 164a4dcd | Avi Kivity | unsigned i;
|
383 | 164a4dcd | Avi Kivity | |
384 | 164a4dcd | Avi Kivity | if (!access_size_min) {
|
385 | 164a4dcd | Avi Kivity | access_size_min = 1;
|
386 | 164a4dcd | Avi Kivity | } |
387 | 164a4dcd | Avi Kivity | if (!access_size_max) {
|
388 | 164a4dcd | Avi Kivity | access_size_max = 4;
|
389 | 164a4dcd | Avi Kivity | } |
390 | ce5d2f33 | Paolo Bonzini | |
391 | ce5d2f33 | Paolo Bonzini | /* FIXME: support unaligned access? */
|
392 | 164a4dcd | Avi Kivity | access_size = MAX(MIN(size, access_size_max), access_size_min); |
393 | 164a4dcd | Avi Kivity | access_mask = -1ULL >> (64 - access_size * 8); |
394 | 164a4dcd | Avi Kivity | for (i = 0; i < size; i += access_size) { |
395 | 08521e28 | Paolo Bonzini | #ifdef TARGET_WORDS_BIGENDIAN
|
396 | 08521e28 | Paolo Bonzini | access(opaque, addr + i, value, access_size, |
397 | 08521e28 | Paolo Bonzini | (size - access_size - i) * 8, access_mask);
|
398 | 08521e28 | Paolo Bonzini | #else
|
399 | 164a4dcd | Avi Kivity | access(opaque, addr + i, value, access_size, i * 8, access_mask);
|
400 | 08521e28 | Paolo Bonzini | #endif
|
401 | 164a4dcd | Avi Kivity | } |
402 | 164a4dcd | Avi Kivity | } |
403 | 164a4dcd | Avi Kivity | |
404 | 627a0e90 | Avi Kivity | static const MemoryRegionPortio *find_portio(MemoryRegion *mr, uint64_t offset, |
405 | 627a0e90 | Avi Kivity | unsigned width, bool write) |
406 | 627a0e90 | Avi Kivity | { |
407 | 627a0e90 | Avi Kivity | const MemoryRegionPortio *mrp;
|
408 | 627a0e90 | Avi Kivity | |
409 | 627a0e90 | Avi Kivity | for (mrp = mr->ops->old_portio; mrp->size; ++mrp) {
|
410 | 627a0e90 | Avi Kivity | if (offset >= mrp->offset && offset < mrp->offset + mrp->len
|
411 | 627a0e90 | Avi Kivity | && width == mrp->size |
412 | 627a0e90 | Avi Kivity | && (write ? (bool)mrp->write : (bool)mrp->read)) { |
413 | 627a0e90 | Avi Kivity | return mrp;
|
414 | 627a0e90 | Avi Kivity | } |
415 | 627a0e90 | Avi Kivity | } |
416 | 627a0e90 | Avi Kivity | return NULL; |
417 | 627a0e90 | Avi Kivity | } |
418 | 627a0e90 | Avi Kivity | |
419 | 658b2224 | Avi Kivity | static void memory_region_iorange_read(IORange *iorange, |
420 | 658b2224 | Avi Kivity | uint64_t offset, |
421 | 658b2224 | Avi Kivity | unsigned width,
|
422 | 658b2224 | Avi Kivity | uint64_t *data) |
423 | 658b2224 | Avi Kivity | { |
424 | a2d33521 | Avi Kivity | MemoryRegionIORange *mrio |
425 | a2d33521 | Avi Kivity | = container_of(iorange, MemoryRegionIORange, iorange); |
426 | a2d33521 | Avi Kivity | MemoryRegion *mr = mrio->mr; |
427 | 658b2224 | Avi Kivity | |
428 | a2d33521 | Avi Kivity | offset += mrio->offset; |
429 | 627a0e90 | Avi Kivity | if (mr->ops->old_portio) {
|
430 | a2d33521 | Avi Kivity | const MemoryRegionPortio *mrp = find_portio(mr, offset - mrio->offset,
|
431 | a2d33521 | Avi Kivity | width, false);
|
432 | 627a0e90 | Avi Kivity | |
433 | 627a0e90 | Avi Kivity | *data = ((uint64_t)1 << (width * 8)) - 1; |
434 | 627a0e90 | Avi Kivity | if (mrp) {
|
435 | 2b50aa1f | Avi Kivity | *data = mrp->read(mr->opaque, offset); |
436 | 03808f58 | Jan Kiszka | } else if (width == 2) { |
437 | a2d33521 | Avi Kivity | mrp = find_portio(mr, offset - mrio->offset, 1, false); |
438 | 03808f58 | Jan Kiszka | assert(mrp); |
439 | 2b50aa1f | Avi Kivity | *data = mrp->read(mr->opaque, offset) | |
440 | 2b50aa1f | Avi Kivity | (mrp->read(mr->opaque, offset + 1) << 8); |
441 | 627a0e90 | Avi Kivity | } |
442 | 627a0e90 | Avi Kivity | return;
|
443 | 627a0e90 | Avi Kivity | } |
444 | 3a130f4e | Avi Kivity | *data = 0;
|
445 | 2b50aa1f | Avi Kivity | access_with_adjusted_size(offset, data, width, |
446 | 3a130f4e | Avi Kivity | mr->ops->impl.min_access_size, |
447 | 3a130f4e | Avi Kivity | mr->ops->impl.max_access_size, |
448 | 3a130f4e | Avi Kivity | memory_region_read_accessor, mr); |
449 | 658b2224 | Avi Kivity | } |
450 | 658b2224 | Avi Kivity | |
451 | 658b2224 | Avi Kivity | static void memory_region_iorange_write(IORange *iorange, |
452 | 658b2224 | Avi Kivity | uint64_t offset, |
453 | 658b2224 | Avi Kivity | unsigned width,
|
454 | 658b2224 | Avi Kivity | uint64_t data) |
455 | 658b2224 | Avi Kivity | { |
456 | a2d33521 | Avi Kivity | MemoryRegionIORange *mrio |
457 | a2d33521 | Avi Kivity | = container_of(iorange, MemoryRegionIORange, iorange); |
458 | a2d33521 | Avi Kivity | MemoryRegion *mr = mrio->mr; |
459 | 658b2224 | Avi Kivity | |
460 | a2d33521 | Avi Kivity | offset += mrio->offset; |
461 | 627a0e90 | Avi Kivity | if (mr->ops->old_portio) {
|
462 | a2d33521 | Avi Kivity | const MemoryRegionPortio *mrp = find_portio(mr, offset - mrio->offset,
|
463 | a2d33521 | Avi Kivity | width, true);
|
464 | 627a0e90 | Avi Kivity | |
465 | 627a0e90 | Avi Kivity | if (mrp) {
|
466 | 2b50aa1f | Avi Kivity | mrp->write(mr->opaque, offset, data); |
467 | 03808f58 | Jan Kiszka | } else if (width == 2) { |
468 | 7e2a62d8 | Jan Kiszka | mrp = find_portio(mr, offset - mrio->offset, 1, true); |
469 | 03808f58 | Jan Kiszka | assert(mrp); |
470 | 2b50aa1f | Avi Kivity | mrp->write(mr->opaque, offset, data & 0xff);
|
471 | 2b50aa1f | Avi Kivity | mrp->write(mr->opaque, offset + 1, data >> 8); |
472 | 627a0e90 | Avi Kivity | } |
473 | 627a0e90 | Avi Kivity | return;
|
474 | 627a0e90 | Avi Kivity | } |
475 | 2b50aa1f | Avi Kivity | access_with_adjusted_size(offset, &data, width, |
476 | 3a130f4e | Avi Kivity | mr->ops->impl.min_access_size, |
477 | 3a130f4e | Avi Kivity | mr->ops->impl.max_access_size, |
478 | 3a130f4e | Avi Kivity | memory_region_write_accessor, mr); |
479 | 658b2224 | Avi Kivity | } |
480 | 658b2224 | Avi Kivity | |
481 | a2d33521 | Avi Kivity | static void memory_region_iorange_destructor(IORange *iorange) |
482 | a2d33521 | Avi Kivity | { |
483 | a2d33521 | Avi Kivity | g_free(container_of(iorange, MemoryRegionIORange, iorange)); |
484 | a2d33521 | Avi Kivity | } |
485 | a2d33521 | Avi Kivity | |
486 | 93632747 | Avi Kivity | const IORangeOps memory_region_iorange_ops = {
|
487 | 658b2224 | Avi Kivity | .read = memory_region_iorange_read, |
488 | 658b2224 | Avi Kivity | .write = memory_region_iorange_write, |
489 | a2d33521 | Avi Kivity | .destructor = memory_region_iorange_destructor, |
490 | 658b2224 | Avi Kivity | }; |
491 | 658b2224 | Avi Kivity | |
492 | e2177955 | Avi Kivity | static AddressSpace *memory_region_to_address_space(MemoryRegion *mr)
|
493 | e2177955 | Avi Kivity | { |
494 | 0d673e36 | Avi Kivity | AddressSpace *as; |
495 | 0d673e36 | Avi Kivity | |
496 | e2177955 | Avi Kivity | while (mr->parent) {
|
497 | e2177955 | Avi Kivity | mr = mr->parent; |
498 | e2177955 | Avi Kivity | } |
499 | 0d673e36 | Avi Kivity | QTAILQ_FOREACH(as, &address_spaces, address_spaces_link) { |
500 | 0d673e36 | Avi Kivity | if (mr == as->root) {
|
501 | 0d673e36 | Avi Kivity | return as;
|
502 | 0d673e36 | Avi Kivity | } |
503 | e2177955 | Avi Kivity | } |
504 | e2177955 | Avi Kivity | abort(); |
505 | e2177955 | Avi Kivity | } |
506 | e2177955 | Avi Kivity | |
507 | 093bc2cd | Avi Kivity | /* Render a memory region into the global view. Ranges in @view obscure
|
508 | 093bc2cd | Avi Kivity | * ranges in @mr.
|
509 | 093bc2cd | Avi Kivity | */
|
510 | 093bc2cd | Avi Kivity | static void render_memory_region(FlatView *view, |
511 | 093bc2cd | Avi Kivity | MemoryRegion *mr, |
512 | 08dafab4 | Avi Kivity | Int128 base, |
513 | fb1cd6f9 | Avi Kivity | AddrRange clip, |
514 | fb1cd6f9 | Avi Kivity | bool readonly)
|
515 | 093bc2cd | Avi Kivity | { |
516 | 093bc2cd | Avi Kivity | MemoryRegion *subregion; |
517 | 093bc2cd | Avi Kivity | unsigned i;
|
518 | a8170e5e | Avi Kivity | hwaddr offset_in_region; |
519 | 08dafab4 | Avi Kivity | Int128 remain; |
520 | 08dafab4 | Avi Kivity | Int128 now; |
521 | 093bc2cd | Avi Kivity | FlatRange fr; |
522 | 093bc2cd | Avi Kivity | AddrRange tmp; |
523 | 093bc2cd | Avi Kivity | |
524 | 6bba19ba | Avi Kivity | if (!mr->enabled) {
|
525 | 6bba19ba | Avi Kivity | return;
|
526 | 6bba19ba | Avi Kivity | } |
527 | 6bba19ba | Avi Kivity | |
528 | 08dafab4 | Avi Kivity | int128_addto(&base, int128_make64(mr->addr)); |
529 | fb1cd6f9 | Avi Kivity | readonly |= mr->readonly; |
530 | 093bc2cd | Avi Kivity | |
531 | 093bc2cd | Avi Kivity | tmp = addrrange_make(base, mr->size); |
532 | 093bc2cd | Avi Kivity | |
533 | 093bc2cd | Avi Kivity | if (!addrrange_intersects(tmp, clip)) {
|
534 | 093bc2cd | Avi Kivity | return;
|
535 | 093bc2cd | Avi Kivity | } |
536 | 093bc2cd | Avi Kivity | |
537 | 093bc2cd | Avi Kivity | clip = addrrange_intersection(tmp, clip); |
538 | 093bc2cd | Avi Kivity | |
539 | 093bc2cd | Avi Kivity | if (mr->alias) {
|
540 | 08dafab4 | Avi Kivity | int128_subfrom(&base, int128_make64(mr->alias->addr)); |
541 | 08dafab4 | Avi Kivity | int128_subfrom(&base, int128_make64(mr->alias_offset)); |
542 | fb1cd6f9 | Avi Kivity | render_memory_region(view, mr->alias, base, clip, readonly); |
543 | 093bc2cd | Avi Kivity | return;
|
544 | 093bc2cd | Avi Kivity | } |
545 | 093bc2cd | Avi Kivity | |
546 | 093bc2cd | Avi Kivity | /* Render subregions in priority order. */
|
547 | 093bc2cd | Avi Kivity | QTAILQ_FOREACH(subregion, &mr->subregions, subregions_link) { |
548 | fb1cd6f9 | Avi Kivity | render_memory_region(view, subregion, base, clip, readonly); |
549 | 093bc2cd | Avi Kivity | } |
550 | 093bc2cd | Avi Kivity | |
551 | 14a3c10a | Avi Kivity | if (!mr->terminates) {
|
552 | 093bc2cd | Avi Kivity | return;
|
553 | 093bc2cd | Avi Kivity | } |
554 | 093bc2cd | Avi Kivity | |
555 | 08dafab4 | Avi Kivity | offset_in_region = int128_get64(int128_sub(clip.start, base)); |
556 | 093bc2cd | Avi Kivity | base = clip.start; |
557 | 093bc2cd | Avi Kivity | remain = clip.size; |
558 | 093bc2cd | Avi Kivity | |
559 | 093bc2cd | Avi Kivity | /* Render the region itself into any gaps left by the current view. */
|
560 | 08dafab4 | Avi Kivity | for (i = 0; i < view->nr && int128_nz(remain); ++i) { |
561 | 08dafab4 | Avi Kivity | if (int128_ge(base, addrrange_end(view->ranges[i].addr))) {
|
562 | 093bc2cd | Avi Kivity | continue;
|
563 | 093bc2cd | Avi Kivity | } |
564 | 08dafab4 | Avi Kivity | if (int128_lt(base, view->ranges[i].addr.start)) {
|
565 | 08dafab4 | Avi Kivity | now = int128_min(remain, |
566 | 08dafab4 | Avi Kivity | int128_sub(view->ranges[i].addr.start, base)); |
567 | 093bc2cd | Avi Kivity | fr.mr = mr; |
568 | 093bc2cd | Avi Kivity | fr.offset_in_region = offset_in_region; |
569 | 093bc2cd | Avi Kivity | fr.addr = addrrange_make(base, now); |
570 | 5a583347 | Avi Kivity | fr.dirty_log_mask = mr->dirty_log_mask; |
571 | 5f9a5ea1 | Jan Kiszka | fr.romd_mode = mr->romd_mode; |
572 | fb1cd6f9 | Avi Kivity | fr.readonly = readonly; |
573 | 093bc2cd | Avi Kivity | flatview_insert(view, i, &fr); |
574 | 093bc2cd | Avi Kivity | ++i; |
575 | 08dafab4 | Avi Kivity | int128_addto(&base, now); |
576 | 08dafab4 | Avi Kivity | offset_in_region += int128_get64(now); |
577 | 08dafab4 | Avi Kivity | int128_subfrom(&remain, now); |
578 | 093bc2cd | Avi Kivity | } |
579 | d26a8cae | Avi Kivity | now = int128_sub(int128_min(int128_add(base, remain), |
580 | d26a8cae | Avi Kivity | addrrange_end(view->ranges[i].addr)), |
581 | d26a8cae | Avi Kivity | base); |
582 | d26a8cae | Avi Kivity | int128_addto(&base, now); |
583 | d26a8cae | Avi Kivity | offset_in_region += int128_get64(now); |
584 | d26a8cae | Avi Kivity | int128_subfrom(&remain, now); |
585 | 093bc2cd | Avi Kivity | } |
586 | 08dafab4 | Avi Kivity | if (int128_nz(remain)) {
|
587 | 093bc2cd | Avi Kivity | fr.mr = mr; |
588 | 093bc2cd | Avi Kivity | fr.offset_in_region = offset_in_region; |
589 | 093bc2cd | Avi Kivity | fr.addr = addrrange_make(base, remain); |
590 | 5a583347 | Avi Kivity | fr.dirty_log_mask = mr->dirty_log_mask; |
591 | 5f9a5ea1 | Jan Kiszka | fr.romd_mode = mr->romd_mode; |
592 | fb1cd6f9 | Avi Kivity | fr.readonly = readonly; |
593 | 093bc2cd | Avi Kivity | flatview_insert(view, i, &fr); |
594 | 093bc2cd | Avi Kivity | } |
595 | 093bc2cd | Avi Kivity | } |
596 | 093bc2cd | Avi Kivity | |
597 | 093bc2cd | Avi Kivity | /* Render a memory topology into a list of disjoint absolute ranges. */
|
598 | 093bc2cd | Avi Kivity | static FlatView generate_memory_topology(MemoryRegion *mr)
|
599 | 093bc2cd | Avi Kivity | { |
600 | 093bc2cd | Avi Kivity | FlatView view; |
601 | 093bc2cd | Avi Kivity | |
602 | 093bc2cd | Avi Kivity | flatview_init(&view); |
603 | 093bc2cd | Avi Kivity | |
604 | 83f3c251 | Avi Kivity | if (mr) {
|
605 | 83f3c251 | Avi Kivity | render_memory_region(&view, mr, int128_zero(), |
606 | 83f3c251 | Avi Kivity | addrrange_make(int128_zero(), int128_2_64()), false);
|
607 | 83f3c251 | Avi Kivity | } |
608 | 3d8e6bf9 | Avi Kivity | flatview_simplify(&view); |
609 | 093bc2cd | Avi Kivity | |
610 | 093bc2cd | Avi Kivity | return view;
|
611 | 093bc2cd | Avi Kivity | } |
612 | 093bc2cd | Avi Kivity | |
613 | 3e9d69e7 | Avi Kivity | static void address_space_add_del_ioeventfds(AddressSpace *as, |
614 | 3e9d69e7 | Avi Kivity | MemoryRegionIoeventfd *fds_new, |
615 | 3e9d69e7 | Avi Kivity | unsigned fds_new_nb,
|
616 | 3e9d69e7 | Avi Kivity | MemoryRegionIoeventfd *fds_old, |
617 | 3e9d69e7 | Avi Kivity | unsigned fds_old_nb)
|
618 | 3e9d69e7 | Avi Kivity | { |
619 | 3e9d69e7 | Avi Kivity | unsigned iold, inew;
|
620 | 80a1ea37 | Avi Kivity | MemoryRegionIoeventfd *fd; |
621 | 80a1ea37 | Avi Kivity | MemoryRegionSection section; |
622 | 3e9d69e7 | Avi Kivity | |
623 | 3e9d69e7 | Avi Kivity | /* Generate a symmetric difference of the old and new fd sets, adding
|
624 | 3e9d69e7 | Avi Kivity | * and deleting as necessary.
|
625 | 3e9d69e7 | Avi Kivity | */
|
626 | 3e9d69e7 | Avi Kivity | |
627 | 3e9d69e7 | Avi Kivity | iold = inew = 0;
|
628 | 3e9d69e7 | Avi Kivity | while (iold < fds_old_nb || inew < fds_new_nb) {
|
629 | 3e9d69e7 | Avi Kivity | if (iold < fds_old_nb
|
630 | 3e9d69e7 | Avi Kivity | && (inew == fds_new_nb |
631 | 3e9d69e7 | Avi Kivity | || memory_region_ioeventfd_before(fds_old[iold], |
632 | 3e9d69e7 | Avi Kivity | fds_new[inew]))) { |
633 | 80a1ea37 | Avi Kivity | fd = &fds_old[iold]; |
634 | 80a1ea37 | Avi Kivity | section = (MemoryRegionSection) { |
635 | f6790af6 | Avi Kivity | .address_space = as, |
636 | 80a1ea37 | Avi Kivity | .offset_within_address_space = int128_get64(fd->addr.start), |
637 | 80a1ea37 | Avi Kivity | .size = int128_get64(fd->addr.size), |
638 | 80a1ea37 | Avi Kivity | }; |
639 | 80a1ea37 | Avi Kivity | MEMORY_LISTENER_CALL(eventfd_del, Forward, §ion, |
640 | 753d5e14 | Paolo Bonzini | fd->match_data, fd->data, fd->e); |
641 | 3e9d69e7 | Avi Kivity | ++iold; |
642 | 3e9d69e7 | Avi Kivity | } else if (inew < fds_new_nb |
643 | 3e9d69e7 | Avi Kivity | && (iold == fds_old_nb |
644 | 3e9d69e7 | Avi Kivity | || memory_region_ioeventfd_before(fds_new[inew], |
645 | 3e9d69e7 | Avi Kivity | fds_old[iold]))) { |
646 | 80a1ea37 | Avi Kivity | fd = &fds_new[inew]; |
647 | 80a1ea37 | Avi Kivity | section = (MemoryRegionSection) { |
648 | f6790af6 | Avi Kivity | .address_space = as, |
649 | 80a1ea37 | Avi Kivity | .offset_within_address_space = int128_get64(fd->addr.start), |
650 | 80a1ea37 | Avi Kivity | .size = int128_get64(fd->addr.size), |
651 | 80a1ea37 | Avi Kivity | }; |
652 | 80a1ea37 | Avi Kivity | MEMORY_LISTENER_CALL(eventfd_add, Reverse, §ion, |
653 | 753d5e14 | Paolo Bonzini | fd->match_data, fd->data, fd->e); |
654 | 3e9d69e7 | Avi Kivity | ++inew; |
655 | 3e9d69e7 | Avi Kivity | } else {
|
656 | 3e9d69e7 | Avi Kivity | ++iold; |
657 | 3e9d69e7 | Avi Kivity | ++inew; |
658 | 3e9d69e7 | Avi Kivity | } |
659 | 3e9d69e7 | Avi Kivity | } |
660 | 3e9d69e7 | Avi Kivity | } |
661 | 3e9d69e7 | Avi Kivity | |
662 | 3e9d69e7 | Avi Kivity | static void address_space_update_ioeventfds(AddressSpace *as) |
663 | 3e9d69e7 | Avi Kivity | { |
664 | 3e9d69e7 | Avi Kivity | FlatRange *fr; |
665 | 3e9d69e7 | Avi Kivity | unsigned ioeventfd_nb = 0; |
666 | 3e9d69e7 | Avi Kivity | MemoryRegionIoeventfd *ioeventfds = NULL;
|
667 | 3e9d69e7 | Avi Kivity | AddrRange tmp; |
668 | 3e9d69e7 | Avi Kivity | unsigned i;
|
669 | 3e9d69e7 | Avi Kivity | |
670 | 8786db7c | Avi Kivity | FOR_EACH_FLAT_RANGE(fr, as->current_map) { |
671 | 3e9d69e7 | Avi Kivity | for (i = 0; i < fr->mr->ioeventfd_nb; ++i) { |
672 | 3e9d69e7 | Avi Kivity | tmp = addrrange_shift(fr->mr->ioeventfds[i].addr, |
673 | 08dafab4 | Avi Kivity | int128_sub(fr->addr.start, |
674 | 08dafab4 | Avi Kivity | int128_make64(fr->offset_in_region))); |
675 | 3e9d69e7 | Avi Kivity | if (addrrange_intersects(fr->addr, tmp)) {
|
676 | 3e9d69e7 | Avi Kivity | ++ioeventfd_nb; |
677 | 7267c094 | Anthony Liguori | ioeventfds = g_realloc(ioeventfds, |
678 | 3e9d69e7 | Avi Kivity | ioeventfd_nb * sizeof(*ioeventfds));
|
679 | 3e9d69e7 | Avi Kivity | ioeventfds[ioeventfd_nb-1] = fr->mr->ioeventfds[i];
|
680 | 3e9d69e7 | Avi Kivity | ioeventfds[ioeventfd_nb-1].addr = tmp;
|
681 | 3e9d69e7 | Avi Kivity | } |
682 | 3e9d69e7 | Avi Kivity | } |
683 | 3e9d69e7 | Avi Kivity | } |
684 | 3e9d69e7 | Avi Kivity | |
685 | 3e9d69e7 | Avi Kivity | address_space_add_del_ioeventfds(as, ioeventfds, ioeventfd_nb, |
686 | 3e9d69e7 | Avi Kivity | as->ioeventfds, as->ioeventfd_nb); |
687 | 3e9d69e7 | Avi Kivity | |
688 | 7267c094 | Anthony Liguori | g_free(as->ioeventfds); |
689 | 3e9d69e7 | Avi Kivity | as->ioeventfds = ioeventfds; |
690 | 3e9d69e7 | Avi Kivity | as->ioeventfd_nb = ioeventfd_nb; |
691 | 3e9d69e7 | Avi Kivity | } |
692 | 3e9d69e7 | Avi Kivity | |
693 | b8af1afb | Avi Kivity | static void address_space_update_topology_pass(AddressSpace *as, |
694 | b8af1afb | Avi Kivity | FlatView old_view, |
695 | b8af1afb | Avi Kivity | FlatView new_view, |
696 | b8af1afb | Avi Kivity | bool adding)
|
697 | 093bc2cd | Avi Kivity | { |
698 | 093bc2cd | Avi Kivity | unsigned iold, inew;
|
699 | 093bc2cd | Avi Kivity | FlatRange *frold, *frnew; |
700 | 093bc2cd | Avi Kivity | |
701 | 093bc2cd | Avi Kivity | /* Generate a symmetric difference of the old and new memory maps.
|
702 | 093bc2cd | Avi Kivity | * Kill ranges in the old map, and instantiate ranges in the new map.
|
703 | 093bc2cd | Avi Kivity | */
|
704 | 093bc2cd | Avi Kivity | iold = inew = 0;
|
705 | 093bc2cd | Avi Kivity | while (iold < old_view.nr || inew < new_view.nr) {
|
706 | 093bc2cd | Avi Kivity | if (iold < old_view.nr) {
|
707 | 093bc2cd | Avi Kivity | frold = &old_view.ranges[iold]; |
708 | 093bc2cd | Avi Kivity | } else {
|
709 | 093bc2cd | Avi Kivity | frold = NULL;
|
710 | 093bc2cd | Avi Kivity | } |
711 | 093bc2cd | Avi Kivity | if (inew < new_view.nr) {
|
712 | 093bc2cd | Avi Kivity | frnew = &new_view.ranges[inew]; |
713 | 093bc2cd | Avi Kivity | } else {
|
714 | 093bc2cd | Avi Kivity | frnew = NULL;
|
715 | 093bc2cd | Avi Kivity | } |
716 | 093bc2cd | Avi Kivity | |
717 | 093bc2cd | Avi Kivity | if (frold
|
718 | 093bc2cd | Avi Kivity | && (!frnew |
719 | 08dafab4 | Avi Kivity | || int128_lt(frold->addr.start, frnew->addr.start) |
720 | 08dafab4 | Avi Kivity | || (int128_eq(frold->addr.start, frnew->addr.start) |
721 | 093bc2cd | Avi Kivity | && !flatrange_equal(frold, frnew)))) { |
722 | 093bc2cd | Avi Kivity | /* In old, but (not in new, or in new but attributes changed). */
|
723 | 093bc2cd | Avi Kivity | |
724 | b8af1afb | Avi Kivity | if (!adding) {
|
725 | 72e22d2f | Avi Kivity | MEMORY_LISTENER_UPDATE_REGION(frold, as, Reverse, region_del); |
726 | b8af1afb | Avi Kivity | } |
727 | b8af1afb | Avi Kivity | |
728 | 093bc2cd | Avi Kivity | ++iold; |
729 | 093bc2cd | Avi Kivity | } else if (frold && frnew && flatrange_equal(frold, frnew)) { |
730 | 093bc2cd | Avi Kivity | /* In both (logging may have changed) */
|
731 | 093bc2cd | Avi Kivity | |
732 | b8af1afb | Avi Kivity | if (adding) {
|
733 | 50c1e149 | Avi Kivity | MEMORY_LISTENER_UPDATE_REGION(frnew, as, Forward, region_nop); |
734 | b8af1afb | Avi Kivity | if (frold->dirty_log_mask && !frnew->dirty_log_mask) {
|
735 | 72e22d2f | Avi Kivity | MEMORY_LISTENER_UPDATE_REGION(frnew, as, Reverse, log_stop); |
736 | b8af1afb | Avi Kivity | } else if (frnew->dirty_log_mask && !frold->dirty_log_mask) { |
737 | 72e22d2f | Avi Kivity | MEMORY_LISTENER_UPDATE_REGION(frnew, as, Forward, log_start); |
738 | b8af1afb | Avi Kivity | } |
739 | 5a583347 | Avi Kivity | } |
740 | 5a583347 | Avi Kivity | |
741 | 093bc2cd | Avi Kivity | ++iold; |
742 | 093bc2cd | Avi Kivity | ++inew; |
743 | 093bc2cd | Avi Kivity | } else {
|
744 | 093bc2cd | Avi Kivity | /* In new */
|
745 | 093bc2cd | Avi Kivity | |
746 | b8af1afb | Avi Kivity | if (adding) {
|
747 | 72e22d2f | Avi Kivity | MEMORY_LISTENER_UPDATE_REGION(frnew, as, Forward, region_add); |
748 | b8af1afb | Avi Kivity | } |
749 | b8af1afb | Avi Kivity | |
750 | 093bc2cd | Avi Kivity | ++inew; |
751 | 093bc2cd | Avi Kivity | } |
752 | 093bc2cd | Avi Kivity | } |
753 | b8af1afb | Avi Kivity | } |
754 | b8af1afb | Avi Kivity | |
755 | b8af1afb | Avi Kivity | |
756 | b8af1afb | Avi Kivity | static void address_space_update_topology(AddressSpace *as) |
757 | b8af1afb | Avi Kivity | { |
758 | 8786db7c | Avi Kivity | FlatView old_view = *as->current_map; |
759 | b8af1afb | Avi Kivity | FlatView new_view = generate_memory_topology(as->root); |
760 | b8af1afb | Avi Kivity | |
761 | b8af1afb | Avi Kivity | address_space_update_topology_pass(as, old_view, new_view, false);
|
762 | b8af1afb | Avi Kivity | address_space_update_topology_pass(as, old_view, new_view, true);
|
763 | b8af1afb | Avi Kivity | |
764 | 8786db7c | Avi Kivity | *as->current_map = new_view; |
765 | 093bc2cd | Avi Kivity | flatview_destroy(&old_view); |
766 | 3e9d69e7 | Avi Kivity | address_space_update_ioeventfds(as); |
767 | 093bc2cd | Avi Kivity | } |
768 | 093bc2cd | Avi Kivity | |
769 | 4ef4db86 | Avi Kivity | void memory_region_transaction_begin(void) |
770 | 4ef4db86 | Avi Kivity | { |
771 | bb880ded | Jan Kiszka | qemu_flush_coalesced_mmio_buffer(); |
772 | 4ef4db86 | Avi Kivity | ++memory_region_transaction_depth; |
773 | 4ef4db86 | Avi Kivity | } |
774 | 4ef4db86 | Avi Kivity | |
775 | 4ef4db86 | Avi Kivity | void memory_region_transaction_commit(void) |
776 | 4ef4db86 | Avi Kivity | { |
777 | 0d673e36 | Avi Kivity | AddressSpace *as; |
778 | 0d673e36 | Avi Kivity | |
779 | 4ef4db86 | Avi Kivity | assert(memory_region_transaction_depth); |
780 | 4ef4db86 | Avi Kivity | --memory_region_transaction_depth; |
781 | 22bde714 | Jan Kiszka | if (!memory_region_transaction_depth && memory_region_update_pending) {
|
782 | 22bde714 | Jan Kiszka | memory_region_update_pending = false;
|
783 | 02e2b95f | Jan Kiszka | MEMORY_LISTENER_CALL_GLOBAL(begin, Forward); |
784 | 02e2b95f | Jan Kiszka | |
785 | 0d673e36 | Avi Kivity | QTAILQ_FOREACH(as, &address_spaces, address_spaces_link) { |
786 | 0d673e36 | Avi Kivity | address_space_update_topology(as); |
787 | 02e2b95f | Jan Kiszka | } |
788 | 02e2b95f | Jan Kiszka | |
789 | 02e2b95f | Jan Kiszka | MEMORY_LISTENER_CALL_GLOBAL(commit, Forward); |
790 | e87c099f | Avi Kivity | } |
791 | 4ef4db86 | Avi Kivity | } |
792 | 4ef4db86 | Avi Kivity | |
793 | 545e92e0 | Avi Kivity | static void memory_region_destructor_none(MemoryRegion *mr) |
794 | 545e92e0 | Avi Kivity | { |
795 | 545e92e0 | Avi Kivity | } |
796 | 545e92e0 | Avi Kivity | |
797 | 545e92e0 | Avi Kivity | static void memory_region_destructor_ram(MemoryRegion *mr) |
798 | 545e92e0 | Avi Kivity | { |
799 | 545e92e0 | Avi Kivity | qemu_ram_free(mr->ram_addr); |
800 | 545e92e0 | Avi Kivity | } |
801 | 545e92e0 | Avi Kivity | |
802 | 545e92e0 | Avi Kivity | static void memory_region_destructor_ram_from_ptr(MemoryRegion *mr) |
803 | 545e92e0 | Avi Kivity | { |
804 | 545e92e0 | Avi Kivity | qemu_ram_free_from_ptr(mr->ram_addr); |
805 | 545e92e0 | Avi Kivity | } |
806 | 545e92e0 | Avi Kivity | |
807 | d0a9b5bc | Avi Kivity | static void memory_region_destructor_rom_device(MemoryRegion *mr) |
808 | d0a9b5bc | Avi Kivity | { |
809 | d0a9b5bc | Avi Kivity | qemu_ram_free(mr->ram_addr & TARGET_PAGE_MASK); |
810 | d0a9b5bc | Avi Kivity | } |
811 | d0a9b5bc | Avi Kivity | |
812 | be675c97 | Avi Kivity | static bool memory_region_wrong_endianness(MemoryRegion *mr) |
813 | be675c97 | Avi Kivity | { |
814 | 2c3579ab | Andreas Fรคrber | #ifdef TARGET_WORDS_BIGENDIAN
|
815 | be675c97 | Avi Kivity | return mr->ops->endianness == DEVICE_LITTLE_ENDIAN;
|
816 | be675c97 | Avi Kivity | #else
|
817 | be675c97 | Avi Kivity | return mr->ops->endianness == DEVICE_BIG_ENDIAN;
|
818 | be675c97 | Avi Kivity | #endif
|
819 | be675c97 | Avi Kivity | } |
820 | be675c97 | Avi Kivity | |
821 | 093bc2cd | Avi Kivity | void memory_region_init(MemoryRegion *mr,
|
822 | 093bc2cd | Avi Kivity | const char *name, |
823 | 093bc2cd | Avi Kivity | uint64_t size) |
824 | 093bc2cd | Avi Kivity | { |
825 | 2cdfcf27 | Paolo Bonzini | mr->ops = &unassigned_mem_ops; |
826 | 2cdfcf27 | Paolo Bonzini | mr->opaque = NULL;
|
827 | 093bc2cd | Avi Kivity | mr->parent = NULL;
|
828 | 08dafab4 | Avi Kivity | mr->size = int128_make64(size); |
829 | 08dafab4 | Avi Kivity | if (size == UINT64_MAX) {
|
830 | 08dafab4 | Avi Kivity | mr->size = int128_2_64(); |
831 | 08dafab4 | Avi Kivity | } |
832 | 093bc2cd | Avi Kivity | mr->addr = 0;
|
833 | b3b00c78 | Avi Kivity | mr->subpage = false;
|
834 | 6bba19ba | Avi Kivity | mr->enabled = true;
|
835 | 14a3c10a | Avi Kivity | mr->terminates = false;
|
836 | 8ea9252a | Avi Kivity | mr->ram = false;
|
837 | 5f9a5ea1 | Jan Kiszka | mr->romd_mode = true;
|
838 | fb1cd6f9 | Avi Kivity | mr->readonly = false;
|
839 | 75c578dc | Avi Kivity | mr->rom_device = false;
|
840 | 545e92e0 | Avi Kivity | mr->destructor = memory_region_destructor_none; |
841 | 093bc2cd | Avi Kivity | mr->priority = 0;
|
842 | 093bc2cd | Avi Kivity | mr->may_overlap = false;
|
843 | 093bc2cd | Avi Kivity | mr->alias = NULL;
|
844 | 093bc2cd | Avi Kivity | QTAILQ_INIT(&mr->subregions); |
845 | 093bc2cd | Avi Kivity | memset(&mr->subregions_link, 0, sizeof mr->subregions_link); |
846 | 093bc2cd | Avi Kivity | QTAILQ_INIT(&mr->coalesced); |
847 | 7267c094 | Anthony Liguori | mr->name = g_strdup(name); |
848 | 5a583347 | Avi Kivity | mr->dirty_log_mask = 0;
|
849 | 3e9d69e7 | Avi Kivity | mr->ioeventfd_nb = 0;
|
850 | 3e9d69e7 | Avi Kivity | mr->ioeventfds = NULL;
|
851 | d410515e | Jan Kiszka | mr->flush_coalesced_mmio = false;
|
852 | 093bc2cd | Avi Kivity | } |
853 | 093bc2cd | Avi Kivity | |
854 | b018ddf6 | Paolo Bonzini | static uint64_t unassigned_mem_read(void *opaque, hwaddr addr, |
855 | b018ddf6 | Paolo Bonzini | unsigned size)
|
856 | b018ddf6 | Paolo Bonzini | { |
857 | b018ddf6 | Paolo Bonzini | #ifdef DEBUG_UNASSIGNED
|
858 | b018ddf6 | Paolo Bonzini | printf("Unassigned mem read " TARGET_FMT_plx "\n", addr); |
859 | b018ddf6 | Paolo Bonzini | #endif
|
860 | b018ddf6 | Paolo Bonzini | #if defined(TARGET_ALPHA) || defined(TARGET_SPARC) || defined(TARGET_MICROBLAZE)
|
861 | b018ddf6 | Paolo Bonzini | cpu_unassigned_access(cpu_single_env, addr, 0, 0, 0, size); |
862 | b018ddf6 | Paolo Bonzini | #endif
|
863 | b018ddf6 | Paolo Bonzini | return 0; |
864 | b018ddf6 | Paolo Bonzini | } |
865 | b018ddf6 | Paolo Bonzini | |
866 | b018ddf6 | Paolo Bonzini | static void unassigned_mem_write(void *opaque, hwaddr addr, |
867 | b018ddf6 | Paolo Bonzini | uint64_t val, unsigned size)
|
868 | b018ddf6 | Paolo Bonzini | { |
869 | b018ddf6 | Paolo Bonzini | #ifdef DEBUG_UNASSIGNED
|
870 | b018ddf6 | Paolo Bonzini | printf("Unassigned mem write " TARGET_FMT_plx " = 0x%"PRIx64"\n", addr, val); |
871 | b018ddf6 | Paolo Bonzini | #endif
|
872 | b018ddf6 | Paolo Bonzini | #if defined(TARGET_ALPHA) || defined(TARGET_SPARC) || defined(TARGET_MICROBLAZE)
|
873 | b018ddf6 | Paolo Bonzini | cpu_unassigned_access(cpu_single_env, addr, 1, 0, 0, size); |
874 | b018ddf6 | Paolo Bonzini | #endif
|
875 | b018ddf6 | Paolo Bonzini | } |
876 | b018ddf6 | Paolo Bonzini | |
877 | d197063f | Paolo Bonzini | static bool unassigned_mem_accepts(void *opaque, hwaddr addr, |
878 | d197063f | Paolo Bonzini | unsigned size, bool is_write) |
879 | d197063f | Paolo Bonzini | { |
880 | d197063f | Paolo Bonzini | return false; |
881 | d197063f | Paolo Bonzini | } |
882 | d197063f | Paolo Bonzini | |
883 | d197063f | Paolo Bonzini | const MemoryRegionOps unassigned_mem_ops = {
|
884 | d197063f | Paolo Bonzini | .valid.accepts = unassigned_mem_accepts, |
885 | d197063f | Paolo Bonzini | .endianness = DEVICE_NATIVE_ENDIAN, |
886 | d197063f | Paolo Bonzini | }; |
887 | d197063f | Paolo Bonzini | |
888 | d2702032 | Paolo Bonzini | bool memory_region_access_valid(MemoryRegion *mr,
|
889 | d2702032 | Paolo Bonzini | hwaddr addr, |
890 | d2702032 | Paolo Bonzini | unsigned size,
|
891 | d2702032 | Paolo Bonzini | bool is_write)
|
892 | 093bc2cd | Avi Kivity | { |
893 | a014ed07 | Paolo Bonzini | int access_size_min, access_size_max;
|
894 | a014ed07 | Paolo Bonzini | int access_size, i;
|
895 | 897fa7cf | Avi Kivity | |
896 | 093bc2cd | Avi Kivity | if (!mr->ops->valid.unaligned && (addr & (size - 1))) { |
897 | 093bc2cd | Avi Kivity | return false; |
898 | 093bc2cd | Avi Kivity | } |
899 | 093bc2cd | Avi Kivity | |
900 | a014ed07 | Paolo Bonzini | if (!mr->ops->valid.accepts) {
|
901 | 093bc2cd | Avi Kivity | return true; |
902 | 093bc2cd | Avi Kivity | } |
903 | 093bc2cd | Avi Kivity | |
904 | a014ed07 | Paolo Bonzini | access_size_min = mr->ops->valid.min_access_size; |
905 | a014ed07 | Paolo Bonzini | if (!mr->ops->valid.min_access_size) {
|
906 | a014ed07 | Paolo Bonzini | access_size_min = 1;
|
907 | a014ed07 | Paolo Bonzini | } |
908 | a014ed07 | Paolo Bonzini | |
909 | a014ed07 | Paolo Bonzini | access_size_max = mr->ops->valid.max_access_size; |
910 | a014ed07 | Paolo Bonzini | if (!mr->ops->valid.max_access_size) {
|
911 | a014ed07 | Paolo Bonzini | access_size_max = 4;
|
912 | a014ed07 | Paolo Bonzini | } |
913 | a014ed07 | Paolo Bonzini | |
914 | a014ed07 | Paolo Bonzini | access_size = MAX(MIN(size, access_size_max), access_size_min); |
915 | a014ed07 | Paolo Bonzini | for (i = 0; i < size; i += access_size) { |
916 | a014ed07 | Paolo Bonzini | if (!mr->ops->valid.accepts(mr->opaque, addr + i, access_size,
|
917 | a014ed07 | Paolo Bonzini | is_write)) { |
918 | a014ed07 | Paolo Bonzini | return false; |
919 | a014ed07 | Paolo Bonzini | } |
920 | 093bc2cd | Avi Kivity | } |
921 | a014ed07 | Paolo Bonzini | |
922 | 093bc2cd | Avi Kivity | return true; |
923 | 093bc2cd | Avi Kivity | } |
924 | 093bc2cd | Avi Kivity | |
925 | a621f38d | Avi Kivity | static uint64_t memory_region_dispatch_read1(MemoryRegion *mr,
|
926 | a8170e5e | Avi Kivity | hwaddr addr, |
927 | a621f38d | Avi Kivity | unsigned size)
|
928 | 093bc2cd | Avi Kivity | { |
929 | 164a4dcd | Avi Kivity | uint64_t data = 0;
|
930 | 093bc2cd | Avi Kivity | |
931 | 897fa7cf | Avi Kivity | if (!memory_region_access_valid(mr, addr, size, false)) { |
932 | b018ddf6 | Paolo Bonzini | return unassigned_mem_read(mr, addr, size);
|
933 | 093bc2cd | Avi Kivity | } |
934 | 093bc2cd | Avi Kivity | |
935 | ce5d2f33 | Paolo Bonzini | if (mr->ops->read) {
|
936 | ce5d2f33 | Paolo Bonzini | access_with_adjusted_size(addr, &data, size, |
937 | ce5d2f33 | Paolo Bonzini | mr->ops->impl.min_access_size, |
938 | ce5d2f33 | Paolo Bonzini | mr->ops->impl.max_access_size, |
939 | ce5d2f33 | Paolo Bonzini | memory_region_read_accessor, mr); |
940 | ce5d2f33 | Paolo Bonzini | } else {
|
941 | ce5d2f33 | Paolo Bonzini | access_with_adjusted_size(addr, &data, size, 1, 4, |
942 | ce5d2f33 | Paolo Bonzini | memory_region_oldmmio_read_accessor, mr); |
943 | 74901c3b | Avi Kivity | } |
944 | 74901c3b | Avi Kivity | |
945 | 093bc2cd | Avi Kivity | return data;
|
946 | 093bc2cd | Avi Kivity | } |
947 | 093bc2cd | Avi Kivity | |
948 | a621f38d | Avi Kivity | static void adjust_endianness(MemoryRegion *mr, uint64_t *data, unsigned size) |
949 | 093bc2cd | Avi Kivity | { |
950 | a621f38d | Avi Kivity | if (memory_region_wrong_endianness(mr)) {
|
951 | a621f38d | Avi Kivity | switch (size) {
|
952 | a621f38d | Avi Kivity | case 1: |
953 | a621f38d | Avi Kivity | break;
|
954 | a621f38d | Avi Kivity | case 2: |
955 | a621f38d | Avi Kivity | *data = bswap16(*data); |
956 | a621f38d | Avi Kivity | break;
|
957 | a621f38d | Avi Kivity | case 4: |
958 | a621f38d | Avi Kivity | *data = bswap32(*data); |
959 | 1470a0cd | Andreas Fรคrber | break;
|
960 | a621f38d | Avi Kivity | default:
|
961 | a621f38d | Avi Kivity | abort(); |
962 | a621f38d | Avi Kivity | } |
963 | a621f38d | Avi Kivity | } |
964 | a621f38d | Avi Kivity | } |
965 | a621f38d | Avi Kivity | |
966 | a621f38d | Avi Kivity | static uint64_t memory_region_dispatch_read(MemoryRegion *mr,
|
967 | a8170e5e | Avi Kivity | hwaddr addr, |
968 | a621f38d | Avi Kivity | unsigned size)
|
969 | a621f38d | Avi Kivity | { |
970 | a621f38d | Avi Kivity | uint64_t ret; |
971 | a621f38d | Avi Kivity | |
972 | a621f38d | Avi Kivity | ret = memory_region_dispatch_read1(mr, addr, size); |
973 | a621f38d | Avi Kivity | adjust_endianness(mr, &ret, size); |
974 | a621f38d | Avi Kivity | return ret;
|
975 | a621f38d | Avi Kivity | } |
976 | 093bc2cd | Avi Kivity | |
977 | a621f38d | Avi Kivity | static void memory_region_dispatch_write(MemoryRegion *mr, |
978 | a8170e5e | Avi Kivity | hwaddr addr, |
979 | a621f38d | Avi Kivity | uint64_t data, |
980 | a621f38d | Avi Kivity | unsigned size)
|
981 | a621f38d | Avi Kivity | { |
982 | 897fa7cf | Avi Kivity | if (!memory_region_access_valid(mr, addr, size, true)) { |
983 | b018ddf6 | Paolo Bonzini | unassigned_mem_write(mr, addr, data, size); |
984 | b018ddf6 | Paolo Bonzini | return;
|
985 | 093bc2cd | Avi Kivity | } |
986 | 093bc2cd | Avi Kivity | |
987 | a621f38d | Avi Kivity | adjust_endianness(mr, &data, size); |
988 | a621f38d | Avi Kivity | |
989 | ce5d2f33 | Paolo Bonzini | if (mr->ops->write) {
|
990 | ce5d2f33 | Paolo Bonzini | access_with_adjusted_size(addr, &data, size, |
991 | ce5d2f33 | Paolo Bonzini | mr->ops->impl.min_access_size, |
992 | ce5d2f33 | Paolo Bonzini | mr->ops->impl.max_access_size, |
993 | ce5d2f33 | Paolo Bonzini | memory_region_write_accessor, mr); |
994 | ce5d2f33 | Paolo Bonzini | } else {
|
995 | ce5d2f33 | Paolo Bonzini | access_with_adjusted_size(addr, &data, size, 1, 4, |
996 | ce5d2f33 | Paolo Bonzini | memory_region_oldmmio_write_accessor, mr); |
997 | 74901c3b | Avi Kivity | } |
998 | 093bc2cd | Avi Kivity | } |
999 | 093bc2cd | Avi Kivity | |
1000 | 093bc2cd | Avi Kivity | void memory_region_init_io(MemoryRegion *mr,
|
1001 | 093bc2cd | Avi Kivity | const MemoryRegionOps *ops,
|
1002 | 093bc2cd | Avi Kivity | void *opaque,
|
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 | 093bc2cd | Avi Kivity | mr->ops = ops; |
1008 | 093bc2cd | Avi Kivity | mr->opaque = opaque; |
1009 | 14a3c10a | Avi Kivity | mr->terminates = true;
|
1010 | 97161e17 | Avi Kivity | mr->ram_addr = ~(ram_addr_t)0;
|
1011 | 093bc2cd | Avi Kivity | } |
1012 | 093bc2cd | Avi Kivity | |
1013 | 093bc2cd | Avi Kivity | void memory_region_init_ram(MemoryRegion *mr,
|
1014 | 093bc2cd | Avi Kivity | const char *name, |
1015 | 093bc2cd | Avi Kivity | uint64_t size) |
1016 | 093bc2cd | Avi Kivity | { |
1017 | 093bc2cd | Avi Kivity | memory_region_init(mr, name, size); |
1018 | 8ea9252a | Avi Kivity | mr->ram = true;
|
1019 | 14a3c10a | Avi Kivity | mr->terminates = true;
|
1020 | 545e92e0 | Avi Kivity | mr->destructor = memory_region_destructor_ram; |
1021 | c5705a77 | Avi Kivity | mr->ram_addr = qemu_ram_alloc(size, mr); |
1022 | 093bc2cd | Avi Kivity | } |
1023 | 093bc2cd | Avi Kivity | |
1024 | 093bc2cd | Avi Kivity | void memory_region_init_ram_ptr(MemoryRegion *mr,
|
1025 | 093bc2cd | Avi Kivity | const char *name, |
1026 | 093bc2cd | Avi Kivity | uint64_t size, |
1027 | 093bc2cd | Avi Kivity | void *ptr)
|
1028 | 093bc2cd | Avi Kivity | { |
1029 | 093bc2cd | Avi Kivity | memory_region_init(mr, name, size); |
1030 | 8ea9252a | Avi Kivity | mr->ram = true;
|
1031 | 14a3c10a | Avi Kivity | mr->terminates = true;
|
1032 | 545e92e0 | Avi Kivity | mr->destructor = memory_region_destructor_ram_from_ptr; |
1033 | c5705a77 | Avi Kivity | mr->ram_addr = qemu_ram_alloc_from_ptr(size, ptr, mr); |
1034 | 093bc2cd | Avi Kivity | } |
1035 | 093bc2cd | Avi Kivity | |
1036 | 093bc2cd | Avi Kivity | void memory_region_init_alias(MemoryRegion *mr,
|
1037 | 093bc2cd | Avi Kivity | const char *name, |
1038 | 093bc2cd | Avi Kivity | MemoryRegion *orig, |
1039 | a8170e5e | Avi Kivity | hwaddr offset, |
1040 | 093bc2cd | Avi Kivity | uint64_t size) |
1041 | 093bc2cd | Avi Kivity | { |
1042 | 093bc2cd | Avi Kivity | memory_region_init(mr, name, size); |
1043 | 093bc2cd | Avi Kivity | mr->alias = orig; |
1044 | 093bc2cd | Avi Kivity | mr->alias_offset = offset; |
1045 | 093bc2cd | Avi Kivity | } |
1046 | 093bc2cd | Avi Kivity | |
1047 | d0a9b5bc | Avi Kivity | void memory_region_init_rom_device(MemoryRegion *mr,
|
1048 | d0a9b5bc | Avi Kivity | const MemoryRegionOps *ops,
|
1049 | 75f5941c | Avi Kivity | void *opaque,
|
1050 | d0a9b5bc | Avi Kivity | const char *name, |
1051 | d0a9b5bc | Avi Kivity | uint64_t size) |
1052 | d0a9b5bc | Avi Kivity | { |
1053 | d0a9b5bc | Avi Kivity | memory_region_init(mr, name, size); |
1054 | 7bc2b9cd | Avi Kivity | mr->ops = ops; |
1055 | 75f5941c | Avi Kivity | mr->opaque = opaque; |
1056 | d0a9b5bc | Avi Kivity | mr->terminates = true;
|
1057 | 75c578dc | Avi Kivity | mr->rom_device = true;
|
1058 | d0a9b5bc | Avi Kivity | mr->destructor = memory_region_destructor_rom_device; |
1059 | c5705a77 | Avi Kivity | mr->ram_addr = qemu_ram_alloc(size, mr); |
1060 | d0a9b5bc | Avi Kivity | } |
1061 | d0a9b5bc | Avi Kivity | |
1062 | 1660e72d | Jan Kiszka | void memory_region_init_reservation(MemoryRegion *mr,
|
1063 | 1660e72d | Jan Kiszka | const char *name, |
1064 | 1660e72d | Jan Kiszka | uint64_t size) |
1065 | 1660e72d | Jan Kiszka | { |
1066 | d197063f | Paolo Bonzini | memory_region_init_io(mr, &unassigned_mem_ops, mr, name, size); |
1067 | 1660e72d | Jan Kiszka | } |
1068 | 1660e72d | Jan Kiszka | |
1069 | 093bc2cd | Avi Kivity | void memory_region_destroy(MemoryRegion *mr)
|
1070 | 093bc2cd | Avi Kivity | { |
1071 | 093bc2cd | Avi Kivity | assert(QTAILQ_EMPTY(&mr->subregions)); |
1072 | 2be0e25f | Avi Kivity | assert(memory_region_transaction_depth == 0);
|
1073 | 545e92e0 | Avi Kivity | mr->destructor(mr); |
1074 | 093bc2cd | Avi Kivity | memory_region_clear_coalescing(mr); |
1075 | 7267c094 | Anthony Liguori | g_free((char *)mr->name);
|
1076 | 7267c094 | Anthony Liguori | g_free(mr->ioeventfds); |
1077 | 093bc2cd | Avi Kivity | } |
1078 | 093bc2cd | Avi Kivity | |
1079 | 093bc2cd | Avi Kivity | uint64_t memory_region_size(MemoryRegion *mr) |
1080 | 093bc2cd | Avi Kivity | { |
1081 | 08dafab4 | Avi Kivity | if (int128_eq(mr->size, int128_2_64())) {
|
1082 | 08dafab4 | Avi Kivity | return UINT64_MAX;
|
1083 | 08dafab4 | Avi Kivity | } |
1084 | 08dafab4 | Avi Kivity | return int128_get64(mr->size);
|
1085 | 093bc2cd | Avi Kivity | } |
1086 | 093bc2cd | Avi Kivity | |
1087 | 8991c79b | Avi Kivity | const char *memory_region_name(MemoryRegion *mr) |
1088 | 8991c79b | Avi Kivity | { |
1089 | 8991c79b | Avi Kivity | return mr->name;
|
1090 | 8991c79b | Avi Kivity | } |
1091 | 8991c79b | Avi Kivity | |
1092 | 8ea9252a | Avi Kivity | bool memory_region_is_ram(MemoryRegion *mr)
|
1093 | 8ea9252a | Avi Kivity | { |
1094 | 8ea9252a | Avi Kivity | return mr->ram;
|
1095 | 8ea9252a | Avi Kivity | } |
1096 | 8ea9252a | Avi Kivity | |
1097 | 55043ba3 | Avi Kivity | bool memory_region_is_logging(MemoryRegion *mr)
|
1098 | 55043ba3 | Avi Kivity | { |
1099 | 55043ba3 | Avi Kivity | return mr->dirty_log_mask;
|
1100 | 55043ba3 | Avi Kivity | } |
1101 | 55043ba3 | Avi Kivity | |
1102 | ce7923da | Avi Kivity | bool memory_region_is_rom(MemoryRegion *mr)
|
1103 | ce7923da | Avi Kivity | { |
1104 | ce7923da | Avi Kivity | return mr->ram && mr->readonly;
|
1105 | ce7923da | Avi Kivity | } |
1106 | ce7923da | Avi Kivity | |
1107 | 093bc2cd | Avi Kivity | void memory_region_set_log(MemoryRegion *mr, bool log, unsigned client) |
1108 | 093bc2cd | Avi Kivity | { |
1109 | 5a583347 | Avi Kivity | uint8_t mask = 1 << client;
|
1110 | 5a583347 | Avi Kivity | |
1111 | 59023ef4 | Jan Kiszka | memory_region_transaction_begin(); |
1112 | 5a583347 | Avi Kivity | mr->dirty_log_mask = (mr->dirty_log_mask & ~mask) | (log * mask); |
1113 | 22bde714 | Jan Kiszka | memory_region_update_pending |= mr->enabled; |
1114 | 59023ef4 | Jan Kiszka | memory_region_transaction_commit(); |
1115 | 093bc2cd | Avi Kivity | } |
1116 | 093bc2cd | Avi Kivity | |
1117 | a8170e5e | Avi Kivity | bool memory_region_get_dirty(MemoryRegion *mr, hwaddr addr,
|
1118 | a8170e5e | Avi Kivity | hwaddr size, unsigned client)
|
1119 | 093bc2cd | Avi Kivity | { |
1120 | 14a3c10a | Avi Kivity | assert(mr->terminates); |
1121 | cd7a45c9 | Blue Swirl | return cpu_physical_memory_get_dirty(mr->ram_addr + addr, size,
|
1122 | cd7a45c9 | Blue Swirl | 1 << client);
|
1123 | 093bc2cd | Avi Kivity | } |
1124 | 093bc2cd | Avi Kivity | |
1125 | a8170e5e | Avi Kivity | void memory_region_set_dirty(MemoryRegion *mr, hwaddr addr,
|
1126 | a8170e5e | Avi Kivity | hwaddr size) |
1127 | 093bc2cd | Avi Kivity | { |
1128 | 14a3c10a | Avi Kivity | assert(mr->terminates); |
1129 | fd4aa979 | Blue Swirl | return cpu_physical_memory_set_dirty_range(mr->ram_addr + addr, size, -1); |
1130 | 093bc2cd | Avi Kivity | } |
1131 | 093bc2cd | Avi Kivity | |
1132 | 6c279db8 | Juan Quintela | bool memory_region_test_and_clear_dirty(MemoryRegion *mr, hwaddr addr,
|
1133 | 6c279db8 | Juan Quintela | hwaddr size, unsigned client)
|
1134 | 6c279db8 | Juan Quintela | { |
1135 | 6c279db8 | Juan Quintela | bool ret;
|
1136 | 6c279db8 | Juan Quintela | assert(mr->terminates); |
1137 | 6c279db8 | Juan Quintela | ret = cpu_physical_memory_get_dirty(mr->ram_addr + addr, size, |
1138 | 6c279db8 | Juan Quintela | 1 << client);
|
1139 | 6c279db8 | Juan Quintela | if (ret) {
|
1140 | 6c279db8 | Juan Quintela | cpu_physical_memory_reset_dirty(mr->ram_addr + addr, |
1141 | 6c279db8 | Juan Quintela | mr->ram_addr + addr + size, |
1142 | 6c279db8 | Juan Quintela | 1 << client);
|
1143 | 6c279db8 | Juan Quintela | } |
1144 | 6c279db8 | Juan Quintela | return ret;
|
1145 | 6c279db8 | Juan Quintela | } |
1146 | 6c279db8 | Juan Quintela | |
1147 | 6c279db8 | Juan Quintela | |
1148 | 093bc2cd | Avi Kivity | void memory_region_sync_dirty_bitmap(MemoryRegion *mr)
|
1149 | 093bc2cd | Avi Kivity | { |
1150 | 0d673e36 | Avi Kivity | AddressSpace *as; |
1151 | 5a583347 | Avi Kivity | FlatRange *fr; |
1152 | 5a583347 | Avi Kivity | |
1153 | 0d673e36 | Avi Kivity | QTAILQ_FOREACH(as, &address_spaces, address_spaces_link) { |
1154 | 0d673e36 | Avi Kivity | FOR_EACH_FLAT_RANGE(fr, as->current_map) { |
1155 | 0d673e36 | Avi Kivity | if (fr->mr == mr) {
|
1156 | 0d673e36 | Avi Kivity | MEMORY_LISTENER_UPDATE_REGION(fr, as, Forward, log_sync); |
1157 | 0d673e36 | Avi Kivity | } |
1158 | 5a583347 | Avi Kivity | } |
1159 | 5a583347 | Avi Kivity | } |
1160 | 093bc2cd | Avi Kivity | } |
1161 | 093bc2cd | Avi Kivity | |
1162 | 093bc2cd | Avi Kivity | void memory_region_set_readonly(MemoryRegion *mr, bool readonly) |
1163 | 093bc2cd | Avi Kivity | { |
1164 | fb1cd6f9 | Avi Kivity | if (mr->readonly != readonly) {
|
1165 | 59023ef4 | Jan Kiszka | memory_region_transaction_begin(); |
1166 | fb1cd6f9 | Avi Kivity | mr->readonly = readonly; |
1167 | 22bde714 | Jan Kiszka | memory_region_update_pending |= mr->enabled; |
1168 | 59023ef4 | Jan Kiszka | memory_region_transaction_commit(); |
1169 | fb1cd6f9 | Avi Kivity | } |
1170 | 093bc2cd | Avi Kivity | } |
1171 | 093bc2cd | Avi Kivity | |
1172 | 5f9a5ea1 | Jan Kiszka | void memory_region_rom_device_set_romd(MemoryRegion *mr, bool romd_mode) |
1173 | d0a9b5bc | Avi Kivity | { |
1174 | 5f9a5ea1 | Jan Kiszka | if (mr->romd_mode != romd_mode) {
|
1175 | 59023ef4 | Jan Kiszka | memory_region_transaction_begin(); |
1176 | 5f9a5ea1 | Jan Kiszka | mr->romd_mode = romd_mode; |
1177 | 22bde714 | Jan Kiszka | memory_region_update_pending |= mr->enabled; |
1178 | 59023ef4 | Jan Kiszka | memory_region_transaction_commit(); |
1179 | d0a9b5bc | Avi Kivity | } |
1180 | d0a9b5bc | Avi Kivity | } |
1181 | d0a9b5bc | Avi Kivity | |
1182 | a8170e5e | Avi Kivity | void memory_region_reset_dirty(MemoryRegion *mr, hwaddr addr,
|
1183 | a8170e5e | Avi Kivity | hwaddr size, unsigned client)
|
1184 | 093bc2cd | Avi Kivity | { |
1185 | 14a3c10a | Avi Kivity | assert(mr->terminates); |
1186 | 5a583347 | Avi Kivity | cpu_physical_memory_reset_dirty(mr->ram_addr + addr, |
1187 | 5a583347 | Avi Kivity | mr->ram_addr + addr + size, |
1188 | 5a583347 | Avi Kivity | 1 << client);
|
1189 | 093bc2cd | Avi Kivity | } |
1190 | 093bc2cd | Avi Kivity | |
1191 | 093bc2cd | Avi Kivity | void *memory_region_get_ram_ptr(MemoryRegion *mr)
|
1192 | 093bc2cd | Avi Kivity | { |
1193 | 093bc2cd | Avi Kivity | if (mr->alias) {
|
1194 | 093bc2cd | Avi Kivity | return memory_region_get_ram_ptr(mr->alias) + mr->alias_offset;
|
1195 | 093bc2cd | Avi Kivity | } |
1196 | 093bc2cd | Avi Kivity | |
1197 | 14a3c10a | Avi Kivity | assert(mr->terminates); |
1198 | 093bc2cd | Avi Kivity | |
1199 | 021d26d1 | Jan Kiszka | return qemu_get_ram_ptr(mr->ram_addr & TARGET_PAGE_MASK);
|
1200 | 093bc2cd | Avi Kivity | } |
1201 | 093bc2cd | Avi Kivity | |
1202 | 0d673e36 | Avi Kivity | static void memory_region_update_coalesced_range_as(MemoryRegion *mr, AddressSpace *as) |
1203 | 093bc2cd | Avi Kivity | { |
1204 | 093bc2cd | Avi Kivity | FlatRange *fr; |
1205 | 093bc2cd | Avi Kivity | CoalescedMemoryRange *cmr; |
1206 | 093bc2cd | Avi Kivity | AddrRange tmp; |
1207 | 95d2994a | Avi Kivity | MemoryRegionSection section; |
1208 | 093bc2cd | Avi Kivity | |
1209 | 0d673e36 | Avi Kivity | FOR_EACH_FLAT_RANGE(fr, as->current_map) { |
1210 | 093bc2cd | Avi Kivity | if (fr->mr == mr) {
|
1211 | 95d2994a | Avi Kivity | section = (MemoryRegionSection) { |
1212 | f6790af6 | Avi Kivity | .address_space = as, |
1213 | 95d2994a | Avi Kivity | .offset_within_address_space = int128_get64(fr->addr.start), |
1214 | 95d2994a | Avi Kivity | .size = int128_get64(fr->addr.size), |
1215 | 95d2994a | Avi Kivity | }; |
1216 | 95d2994a | Avi Kivity | |
1217 | 95d2994a | Avi Kivity | MEMORY_LISTENER_CALL(coalesced_mmio_del, Reverse, §ion, |
1218 | 95d2994a | Avi Kivity | int128_get64(fr->addr.start), |
1219 | 95d2994a | Avi Kivity | int128_get64(fr->addr.size)); |
1220 | 093bc2cd | Avi Kivity | QTAILQ_FOREACH(cmr, &mr->coalesced, link) { |
1221 | 093bc2cd | Avi Kivity | tmp = addrrange_shift(cmr->addr, |
1222 | 08dafab4 | Avi Kivity | int128_sub(fr->addr.start, |
1223 | 08dafab4 | Avi Kivity | int128_make64(fr->offset_in_region))); |
1224 | 093bc2cd | Avi Kivity | if (!addrrange_intersects(tmp, fr->addr)) {
|
1225 | 093bc2cd | Avi Kivity | continue;
|
1226 | 093bc2cd | Avi Kivity | } |
1227 | 093bc2cd | Avi Kivity | tmp = addrrange_intersection(tmp, fr->addr); |
1228 | 95d2994a | Avi Kivity | MEMORY_LISTENER_CALL(coalesced_mmio_add, Forward, §ion, |
1229 | 95d2994a | Avi Kivity | int128_get64(tmp.start), |
1230 | 95d2994a | Avi Kivity | int128_get64(tmp.size)); |
1231 | 093bc2cd | Avi Kivity | } |
1232 | 093bc2cd | Avi Kivity | } |
1233 | 093bc2cd | Avi Kivity | } |
1234 | 093bc2cd | Avi Kivity | } |
1235 | 093bc2cd | Avi Kivity | |
1236 | 0d673e36 | Avi Kivity | static void memory_region_update_coalesced_range(MemoryRegion *mr) |
1237 | 0d673e36 | Avi Kivity | { |
1238 | 0d673e36 | Avi Kivity | AddressSpace *as; |
1239 | 0d673e36 | Avi Kivity | |
1240 | 0d673e36 | Avi Kivity | QTAILQ_FOREACH(as, &address_spaces, address_spaces_link) { |
1241 | 0d673e36 | Avi Kivity | memory_region_update_coalesced_range_as(mr, as); |
1242 | 0d673e36 | Avi Kivity | } |
1243 | 0d673e36 | Avi Kivity | } |
1244 | 0d673e36 | Avi Kivity | |
1245 | 093bc2cd | Avi Kivity | void memory_region_set_coalescing(MemoryRegion *mr)
|
1246 | 093bc2cd | Avi Kivity | { |
1247 | 093bc2cd | Avi Kivity | memory_region_clear_coalescing(mr); |
1248 | 08dafab4 | Avi Kivity | memory_region_add_coalescing(mr, 0, int128_get64(mr->size));
|
1249 | 093bc2cd | Avi Kivity | } |
1250 | 093bc2cd | Avi Kivity | |
1251 | 093bc2cd | Avi Kivity | void memory_region_add_coalescing(MemoryRegion *mr,
|
1252 | a8170e5e | Avi Kivity | hwaddr offset, |
1253 | 093bc2cd | Avi Kivity | uint64_t size) |
1254 | 093bc2cd | Avi Kivity | { |
1255 | 7267c094 | Anthony Liguori | CoalescedMemoryRange *cmr = g_malloc(sizeof(*cmr));
|
1256 | 093bc2cd | Avi Kivity | |
1257 | 08dafab4 | Avi Kivity | cmr->addr = addrrange_make(int128_make64(offset), int128_make64(size)); |
1258 | 093bc2cd | Avi Kivity | QTAILQ_INSERT_TAIL(&mr->coalesced, cmr, link); |
1259 | 093bc2cd | Avi Kivity | memory_region_update_coalesced_range(mr); |
1260 | d410515e | Jan Kiszka | memory_region_set_flush_coalesced(mr); |
1261 | 093bc2cd | Avi Kivity | } |
1262 | 093bc2cd | Avi Kivity | |
1263 | 093bc2cd | Avi Kivity | void memory_region_clear_coalescing(MemoryRegion *mr)
|
1264 | 093bc2cd | Avi Kivity | { |
1265 | 093bc2cd | Avi Kivity | CoalescedMemoryRange *cmr; |
1266 | 093bc2cd | Avi Kivity | |
1267 | d410515e | Jan Kiszka | qemu_flush_coalesced_mmio_buffer(); |
1268 | d410515e | Jan Kiszka | mr->flush_coalesced_mmio = false;
|
1269 | d410515e | Jan Kiszka | |
1270 | 093bc2cd | Avi Kivity | while (!QTAILQ_EMPTY(&mr->coalesced)) {
|
1271 | 093bc2cd | Avi Kivity | cmr = QTAILQ_FIRST(&mr->coalesced); |
1272 | 093bc2cd | Avi Kivity | QTAILQ_REMOVE(&mr->coalesced, cmr, link); |
1273 | 7267c094 | Anthony Liguori | g_free(cmr); |
1274 | 093bc2cd | Avi Kivity | } |
1275 | 093bc2cd | Avi Kivity | memory_region_update_coalesced_range(mr); |
1276 | 093bc2cd | Avi Kivity | } |
1277 | 093bc2cd | Avi Kivity | |
1278 | d410515e | Jan Kiszka | void memory_region_set_flush_coalesced(MemoryRegion *mr)
|
1279 | d410515e | Jan Kiszka | { |
1280 | d410515e | Jan Kiszka | mr->flush_coalesced_mmio = true;
|
1281 | d410515e | Jan Kiszka | } |
1282 | d410515e | Jan Kiszka | |
1283 | d410515e | Jan Kiszka | void memory_region_clear_flush_coalesced(MemoryRegion *mr)
|
1284 | d410515e | Jan Kiszka | { |
1285 | d410515e | Jan Kiszka | qemu_flush_coalesced_mmio_buffer(); |
1286 | d410515e | Jan Kiszka | if (QTAILQ_EMPTY(&mr->coalesced)) {
|
1287 | d410515e | Jan Kiszka | mr->flush_coalesced_mmio = false;
|
1288 | d410515e | Jan Kiszka | } |
1289 | d410515e | Jan Kiszka | } |
1290 | d410515e | Jan Kiszka | |
1291 | 3e9d69e7 | Avi Kivity | void memory_region_add_eventfd(MemoryRegion *mr,
|
1292 | a8170e5e | Avi Kivity | hwaddr addr, |
1293 | 3e9d69e7 | Avi Kivity | unsigned size,
|
1294 | 3e9d69e7 | Avi Kivity | bool match_data,
|
1295 | 3e9d69e7 | Avi Kivity | uint64_t data, |
1296 | 753d5e14 | Paolo Bonzini | EventNotifier *e) |
1297 | 3e9d69e7 | Avi Kivity | { |
1298 | 3e9d69e7 | Avi Kivity | MemoryRegionIoeventfd mrfd = { |
1299 | 08dafab4 | Avi Kivity | .addr.start = int128_make64(addr), |
1300 | 08dafab4 | Avi Kivity | .addr.size = int128_make64(size), |
1301 | 3e9d69e7 | Avi Kivity | .match_data = match_data, |
1302 | 3e9d69e7 | Avi Kivity | .data = data, |
1303 | 753d5e14 | Paolo Bonzini | .e = e, |
1304 | 3e9d69e7 | Avi Kivity | }; |
1305 | 3e9d69e7 | Avi Kivity | unsigned i;
|
1306 | 3e9d69e7 | Avi Kivity | |
1307 | 28f362be | Alexander Graf | adjust_endianness(mr, &mrfd.data, size); |
1308 | 59023ef4 | Jan Kiszka | memory_region_transaction_begin(); |
1309 | 3e9d69e7 | Avi Kivity | for (i = 0; i < mr->ioeventfd_nb; ++i) { |
1310 | 3e9d69e7 | Avi Kivity | if (memory_region_ioeventfd_before(mrfd, mr->ioeventfds[i])) {
|
1311 | 3e9d69e7 | Avi Kivity | break;
|
1312 | 3e9d69e7 | Avi Kivity | } |
1313 | 3e9d69e7 | Avi Kivity | } |
1314 | 3e9d69e7 | Avi Kivity | ++mr->ioeventfd_nb; |
1315 | 7267c094 | Anthony Liguori | mr->ioeventfds = g_realloc(mr->ioeventfds, |
1316 | 3e9d69e7 | Avi Kivity | sizeof(*mr->ioeventfds) * mr->ioeventfd_nb);
|
1317 | 3e9d69e7 | Avi Kivity | memmove(&mr->ioeventfds[i+1], &mr->ioeventfds[i],
|
1318 | 3e9d69e7 | Avi Kivity | sizeof(*mr->ioeventfds) * (mr->ioeventfd_nb-1 - i)); |
1319 | 3e9d69e7 | Avi Kivity | mr->ioeventfds[i] = mrfd; |
1320 | 22bde714 | Jan Kiszka | memory_region_update_pending |= mr->enabled; |
1321 | 59023ef4 | Jan Kiszka | memory_region_transaction_commit(); |
1322 | 3e9d69e7 | Avi Kivity | } |
1323 | 3e9d69e7 | Avi Kivity | |
1324 | 3e9d69e7 | Avi Kivity | void memory_region_del_eventfd(MemoryRegion *mr,
|
1325 | a8170e5e | Avi Kivity | hwaddr addr, |
1326 | 3e9d69e7 | Avi Kivity | unsigned size,
|
1327 | 3e9d69e7 | Avi Kivity | bool match_data,
|
1328 | 3e9d69e7 | Avi Kivity | uint64_t data, |
1329 | 753d5e14 | Paolo Bonzini | EventNotifier *e) |
1330 | 3e9d69e7 | Avi Kivity | { |
1331 | 3e9d69e7 | Avi Kivity | MemoryRegionIoeventfd mrfd = { |
1332 | 08dafab4 | Avi Kivity | .addr.start = int128_make64(addr), |
1333 | 08dafab4 | Avi Kivity | .addr.size = int128_make64(size), |
1334 | 3e9d69e7 | Avi Kivity | .match_data = match_data, |
1335 | 3e9d69e7 | Avi Kivity | .data = data, |
1336 | 753d5e14 | Paolo Bonzini | .e = e, |
1337 | 3e9d69e7 | Avi Kivity | }; |
1338 | 3e9d69e7 | Avi Kivity | unsigned i;
|
1339 | 3e9d69e7 | Avi Kivity | |
1340 | 28f362be | Alexander Graf | adjust_endianness(mr, &mrfd.data, size); |
1341 | 59023ef4 | Jan Kiszka | memory_region_transaction_begin(); |
1342 | 3e9d69e7 | Avi Kivity | for (i = 0; i < mr->ioeventfd_nb; ++i) { |
1343 | 3e9d69e7 | Avi Kivity | if (memory_region_ioeventfd_equal(mrfd, mr->ioeventfds[i])) {
|
1344 | 3e9d69e7 | Avi Kivity | break;
|
1345 | 3e9d69e7 | Avi Kivity | } |
1346 | 3e9d69e7 | Avi Kivity | } |
1347 | 3e9d69e7 | Avi Kivity | assert(i != mr->ioeventfd_nb); |
1348 | 3e9d69e7 | Avi Kivity | memmove(&mr->ioeventfds[i], &mr->ioeventfds[i+1],
|
1349 | 3e9d69e7 | Avi Kivity | sizeof(*mr->ioeventfds) * (mr->ioeventfd_nb - (i+1))); |
1350 | 3e9d69e7 | Avi Kivity | --mr->ioeventfd_nb; |
1351 | 7267c094 | Anthony Liguori | mr->ioeventfds = g_realloc(mr->ioeventfds, |
1352 | 3e9d69e7 | Avi Kivity | sizeof(*mr->ioeventfds)*mr->ioeventfd_nb + 1); |
1353 | 22bde714 | Jan Kiszka | memory_region_update_pending |= mr->enabled; |
1354 | 59023ef4 | Jan Kiszka | memory_region_transaction_commit(); |
1355 | 3e9d69e7 | Avi Kivity | } |
1356 | 3e9d69e7 | Avi Kivity | |
1357 | 093bc2cd | Avi Kivity | static void memory_region_add_subregion_common(MemoryRegion *mr, |
1358 | a8170e5e | Avi Kivity | hwaddr offset, |
1359 | 093bc2cd | Avi Kivity | MemoryRegion *subregion) |
1360 | 093bc2cd | Avi Kivity | { |
1361 | 093bc2cd | Avi Kivity | MemoryRegion *other; |
1362 | 093bc2cd | Avi Kivity | |
1363 | 59023ef4 | Jan Kiszka | memory_region_transaction_begin(); |
1364 | 59023ef4 | Jan Kiszka | |
1365 | 093bc2cd | Avi Kivity | assert(!subregion->parent); |
1366 | 093bc2cd | Avi Kivity | subregion->parent = mr; |
1367 | 093bc2cd | Avi Kivity | subregion->addr = offset; |
1368 | 093bc2cd | Avi Kivity | QTAILQ_FOREACH(other, &mr->subregions, subregions_link) { |
1369 | 093bc2cd | Avi Kivity | if (subregion->may_overlap || other->may_overlap) {
|
1370 | 093bc2cd | Avi Kivity | continue;
|
1371 | 093bc2cd | Avi Kivity | } |
1372 | 2c7cfd65 | Hu Tao | if (int128_ge(int128_make64(offset),
|
1373 | 08dafab4 | Avi Kivity | int128_add(int128_make64(other->addr), other->size)) |
1374 | 08dafab4 | Avi Kivity | || int128_le(int128_add(int128_make64(offset), subregion->size), |
1375 | 08dafab4 | Avi Kivity | int128_make64(other->addr))) { |
1376 | 093bc2cd | Avi Kivity | continue;
|
1377 | 093bc2cd | Avi Kivity | } |
1378 | a5e1cbc8 | Anthony Liguori | #if 0
|
1379 | 860329b2 | Michael Walle | printf("warning: subregion collision %llx/%llx (%s) "
|
1380 | 860329b2 | Michael Walle | "vs %llx/%llx (%s)\n",
|
1381 | 093bc2cd | Avi Kivity | (unsigned long long)offset,
|
1382 | 08dafab4 | Avi Kivity | (unsigned long long)int128_get64(subregion->size),
|
1383 | 860329b2 | Michael Walle | subregion->name,
|
1384 | 860329b2 | Michael Walle | (unsigned long long)other->addr,
|
1385 | 08dafab4 | Avi Kivity | (unsigned long long)int128_get64(other->size),
|
1386 | 860329b2 | Michael Walle | other->name);
|
1387 | a5e1cbc8 | Anthony Liguori | #endif
|
1388 | 093bc2cd | Avi Kivity | } |
1389 | 093bc2cd | Avi Kivity | QTAILQ_FOREACH(other, &mr->subregions, subregions_link) { |
1390 | 093bc2cd | Avi Kivity | if (subregion->priority >= other->priority) {
|
1391 | 093bc2cd | Avi Kivity | QTAILQ_INSERT_BEFORE(other, subregion, subregions_link); |
1392 | 093bc2cd | Avi Kivity | goto done;
|
1393 | 093bc2cd | Avi Kivity | } |
1394 | 093bc2cd | Avi Kivity | } |
1395 | 093bc2cd | Avi Kivity | QTAILQ_INSERT_TAIL(&mr->subregions, subregion, subregions_link); |
1396 | 093bc2cd | Avi Kivity | done:
|
1397 | 22bde714 | Jan Kiszka | memory_region_update_pending |= mr->enabled && subregion->enabled; |
1398 | 59023ef4 | Jan Kiszka | memory_region_transaction_commit(); |
1399 | 093bc2cd | Avi Kivity | } |
1400 | 093bc2cd | Avi Kivity | |
1401 | 093bc2cd | Avi Kivity | |
1402 | 093bc2cd | Avi Kivity | void memory_region_add_subregion(MemoryRegion *mr,
|
1403 | a8170e5e | Avi Kivity | hwaddr offset, |
1404 | 093bc2cd | Avi Kivity | MemoryRegion *subregion) |
1405 | 093bc2cd | Avi Kivity | { |
1406 | 093bc2cd | Avi Kivity | subregion->may_overlap = false;
|
1407 | 093bc2cd | Avi Kivity | subregion->priority = 0;
|
1408 | 093bc2cd | Avi Kivity | memory_region_add_subregion_common(mr, offset, subregion); |
1409 | 093bc2cd | Avi Kivity | } |
1410 | 093bc2cd | Avi Kivity | |
1411 | 093bc2cd | Avi Kivity | void memory_region_add_subregion_overlap(MemoryRegion *mr,
|
1412 | a8170e5e | Avi Kivity | hwaddr offset, |
1413 | 093bc2cd | Avi Kivity | MemoryRegion *subregion, |
1414 | 093bc2cd | Avi Kivity | unsigned priority)
|
1415 | 093bc2cd | Avi Kivity | { |
1416 | 093bc2cd | Avi Kivity | subregion->may_overlap = true;
|
1417 | 093bc2cd | Avi Kivity | subregion->priority = priority; |
1418 | 093bc2cd | Avi Kivity | memory_region_add_subregion_common(mr, offset, subregion); |
1419 | 093bc2cd | Avi Kivity | } |
1420 | 093bc2cd | Avi Kivity | |
1421 | 093bc2cd | Avi Kivity | void memory_region_del_subregion(MemoryRegion *mr,
|
1422 | 093bc2cd | Avi Kivity | MemoryRegion *subregion) |
1423 | 093bc2cd | Avi Kivity | { |
1424 | 59023ef4 | Jan Kiszka | memory_region_transaction_begin(); |
1425 | 093bc2cd | Avi Kivity | assert(subregion->parent == mr); |
1426 | 093bc2cd | Avi Kivity | subregion->parent = NULL;
|
1427 | 093bc2cd | Avi Kivity | QTAILQ_REMOVE(&mr->subregions, subregion, subregions_link); |
1428 | 22bde714 | Jan Kiszka | memory_region_update_pending |= mr->enabled && subregion->enabled; |
1429 | 59023ef4 | Jan Kiszka | memory_region_transaction_commit(); |
1430 | 6bba19ba | Avi Kivity | } |
1431 | 6bba19ba | Avi Kivity | |
1432 | 6bba19ba | Avi Kivity | void memory_region_set_enabled(MemoryRegion *mr, bool enabled) |
1433 | 6bba19ba | Avi Kivity | { |
1434 | 6bba19ba | Avi Kivity | if (enabled == mr->enabled) {
|
1435 | 6bba19ba | Avi Kivity | return;
|
1436 | 6bba19ba | Avi Kivity | } |
1437 | 59023ef4 | Jan Kiszka | memory_region_transaction_begin(); |
1438 | 6bba19ba | Avi Kivity | mr->enabled = enabled; |
1439 | 22bde714 | Jan Kiszka | memory_region_update_pending = true;
|
1440 | 59023ef4 | Jan Kiszka | memory_region_transaction_commit(); |
1441 | 093bc2cd | Avi Kivity | } |
1442 | 1c0ffa58 | Avi Kivity | |
1443 | a8170e5e | Avi Kivity | void memory_region_set_address(MemoryRegion *mr, hwaddr addr)
|
1444 | 2282e1af | Avi Kivity | { |
1445 | 2282e1af | Avi Kivity | MemoryRegion *parent = mr->parent; |
1446 | 2282e1af | Avi Kivity | unsigned priority = mr->priority;
|
1447 | 2282e1af | Avi Kivity | bool may_overlap = mr->may_overlap;
|
1448 | 2282e1af | Avi Kivity | |
1449 | 2282e1af | Avi Kivity | if (addr == mr->addr || !parent) {
|
1450 | 2282e1af | Avi Kivity | mr->addr = addr; |
1451 | 2282e1af | Avi Kivity | return;
|
1452 | 2282e1af | Avi Kivity | } |
1453 | 2282e1af | Avi Kivity | |
1454 | 2282e1af | Avi Kivity | memory_region_transaction_begin(); |
1455 | 2282e1af | Avi Kivity | memory_region_del_subregion(parent, mr); |
1456 | 2282e1af | Avi Kivity | if (may_overlap) {
|
1457 | 2282e1af | Avi Kivity | memory_region_add_subregion_overlap(parent, addr, mr, priority); |
1458 | 2282e1af | Avi Kivity | } else {
|
1459 | 2282e1af | Avi Kivity | memory_region_add_subregion(parent, addr, mr); |
1460 | 2282e1af | Avi Kivity | } |
1461 | 2282e1af | Avi Kivity | memory_region_transaction_commit(); |
1462 | 2282e1af | Avi Kivity | } |
1463 | 2282e1af | Avi Kivity | |
1464 | a8170e5e | Avi Kivity | void memory_region_set_alias_offset(MemoryRegion *mr, hwaddr offset)
|
1465 | 4703359e | Avi Kivity | { |
1466 | 4703359e | Avi Kivity | assert(mr->alias); |
1467 | 4703359e | Avi Kivity | |
1468 | 59023ef4 | Jan Kiszka | if (offset == mr->alias_offset) {
|
1469 | 4703359e | Avi Kivity | return;
|
1470 | 4703359e | Avi Kivity | } |
1471 | 4703359e | Avi Kivity | |
1472 | 59023ef4 | Jan Kiszka | memory_region_transaction_begin(); |
1473 | 59023ef4 | Jan Kiszka | mr->alias_offset = offset; |
1474 | 22bde714 | Jan Kiszka | memory_region_update_pending |= mr->enabled; |
1475 | 59023ef4 | Jan Kiszka | memory_region_transaction_commit(); |
1476 | 4703359e | Avi Kivity | } |
1477 | 4703359e | Avi Kivity | |
1478 | e34911c4 | Avi Kivity | ram_addr_t memory_region_get_ram_addr(MemoryRegion *mr) |
1479 | e34911c4 | Avi Kivity | { |
1480 | e34911c4 | Avi Kivity | return mr->ram_addr;
|
1481 | e34911c4 | Avi Kivity | } |
1482 | e34911c4 | Avi Kivity | |
1483 | e2177955 | Avi Kivity | static int cmp_flatrange_addr(const void *addr_, const void *fr_) |
1484 | e2177955 | Avi Kivity | { |
1485 | e2177955 | Avi Kivity | const AddrRange *addr = addr_;
|
1486 | e2177955 | Avi Kivity | const FlatRange *fr = fr_;
|
1487 | e2177955 | Avi Kivity | |
1488 | e2177955 | Avi Kivity | if (int128_le(addrrange_end(*addr), fr->addr.start)) {
|
1489 | e2177955 | Avi Kivity | return -1; |
1490 | e2177955 | Avi Kivity | } else if (int128_ge(addr->start, addrrange_end(fr->addr))) { |
1491 | e2177955 | Avi Kivity | return 1; |
1492 | e2177955 | Avi Kivity | } |
1493 | e2177955 | Avi Kivity | return 0; |
1494 | e2177955 | Avi Kivity | } |
1495 | e2177955 | Avi Kivity | |
1496 | e2177955 | Avi Kivity | static FlatRange *address_space_lookup(AddressSpace *as, AddrRange addr)
|
1497 | e2177955 | Avi Kivity | { |
1498 | 8786db7c | Avi Kivity | return bsearch(&addr, as->current_map->ranges, as->current_map->nr,
|
1499 | e2177955 | Avi Kivity | sizeof(FlatRange), cmp_flatrange_addr);
|
1500 | e2177955 | Avi Kivity | } |
1501 | e2177955 | Avi Kivity | |
1502 | 73034e9e | Paolo Bonzini | MemoryRegionSection memory_region_find(MemoryRegion *mr, |
1503 | a8170e5e | Avi Kivity | hwaddr addr, uint64_t size) |
1504 | e2177955 | Avi Kivity | { |
1505 | e2177955 | Avi Kivity | MemoryRegionSection ret = { .mr = NULL, .size = 0 }; |
1506 | 73034e9e | Paolo Bonzini | MemoryRegion *root; |
1507 | 73034e9e | Paolo Bonzini | AddressSpace *as; |
1508 | 73034e9e | Paolo Bonzini | AddrRange range; |
1509 | 73034e9e | Paolo Bonzini | FlatRange *fr; |
1510 | 73034e9e | Paolo Bonzini | |
1511 | 73034e9e | Paolo Bonzini | addr += mr->addr; |
1512 | 73034e9e | Paolo Bonzini | for (root = mr; root->parent; ) {
|
1513 | 73034e9e | Paolo Bonzini | root = root->parent; |
1514 | 73034e9e | Paolo Bonzini | addr += root->addr; |
1515 | 73034e9e | Paolo Bonzini | } |
1516 | e2177955 | Avi Kivity | |
1517 | 73034e9e | Paolo Bonzini | as = memory_region_to_address_space(root); |
1518 | 73034e9e | Paolo Bonzini | range = addrrange_make(int128_make64(addr), int128_make64(size)); |
1519 | 73034e9e | Paolo Bonzini | fr = address_space_lookup(as, range); |
1520 | e2177955 | Avi Kivity | if (!fr) {
|
1521 | e2177955 | Avi Kivity | return ret;
|
1522 | e2177955 | Avi Kivity | } |
1523 | e2177955 | Avi Kivity | |
1524 | 8786db7c | Avi Kivity | while (fr > as->current_map->ranges
|
1525 | e2177955 | Avi Kivity | && addrrange_intersects(fr[-1].addr, range)) {
|
1526 | e2177955 | Avi Kivity | --fr; |
1527 | e2177955 | Avi Kivity | } |
1528 | e2177955 | Avi Kivity | |
1529 | e2177955 | Avi Kivity | ret.mr = fr->mr; |
1530 | 73034e9e | Paolo Bonzini | ret.address_space = as; |
1531 | e2177955 | Avi Kivity | range = addrrange_intersection(range, fr->addr); |
1532 | e2177955 | Avi Kivity | ret.offset_within_region = fr->offset_in_region; |
1533 | e2177955 | Avi Kivity | ret.offset_within_region += int128_get64(int128_sub(range.start, |
1534 | e2177955 | Avi Kivity | fr->addr.start)); |
1535 | e2177955 | Avi Kivity | ret.size = int128_get64(range.size); |
1536 | e2177955 | Avi Kivity | ret.offset_within_address_space = int128_get64(range.start); |
1537 | 7a8499e8 | Avi Kivity | ret.readonly = fr->readonly; |
1538 | e2177955 | Avi Kivity | return ret;
|
1539 | e2177955 | Avi Kivity | } |
1540 | e2177955 | Avi Kivity | |
1541 | 1d671369 | Paolo Bonzini | void address_space_sync_dirty_bitmap(AddressSpace *as)
|
1542 | 86e775c6 | Avi Kivity | { |
1543 | 7664e80c | Avi Kivity | FlatRange *fr; |
1544 | 7664e80c | Avi Kivity | |
1545 | 8786db7c | Avi Kivity | FOR_EACH_FLAT_RANGE(fr, as->current_map) { |
1546 | 72e22d2f | Avi Kivity | MEMORY_LISTENER_UPDATE_REGION(fr, as, Forward, log_sync); |
1547 | 7664e80c | Avi Kivity | } |
1548 | 7664e80c | Avi Kivity | } |
1549 | 7664e80c | Avi Kivity | |
1550 | 7664e80c | Avi Kivity | void memory_global_dirty_log_start(void) |
1551 | 7664e80c | Avi Kivity | { |
1552 | 7664e80c | Avi Kivity | global_dirty_log = true;
|
1553 | 7376e582 | Avi Kivity | MEMORY_LISTENER_CALL_GLOBAL(log_global_start, Forward); |
1554 | 7664e80c | Avi Kivity | } |
1555 | 7664e80c | Avi Kivity | |
1556 | 7664e80c | Avi Kivity | void memory_global_dirty_log_stop(void) |
1557 | 7664e80c | Avi Kivity | { |
1558 | 7664e80c | Avi Kivity | global_dirty_log = false;
|
1559 | 7376e582 | Avi Kivity | MEMORY_LISTENER_CALL_GLOBAL(log_global_stop, Reverse); |
1560 | 7664e80c | Avi Kivity | } |
1561 | 7664e80c | Avi Kivity | |
1562 | 7664e80c | Avi Kivity | static void listener_add_address_space(MemoryListener *listener, |
1563 | 7664e80c | Avi Kivity | AddressSpace *as) |
1564 | 7664e80c | Avi Kivity | { |
1565 | 7664e80c | Avi Kivity | FlatRange *fr; |
1566 | 7664e80c | Avi Kivity | |
1567 | 221b3a3f | Julien Grall | if (listener->address_space_filter
|
1568 | f6790af6 | Avi Kivity | && listener->address_space_filter != as) { |
1569 | 221b3a3f | Julien Grall | return;
|
1570 | 221b3a3f | Julien Grall | } |
1571 | 221b3a3f | Julien Grall | |
1572 | 7664e80c | Avi Kivity | if (global_dirty_log) {
|
1573 | 975aefe0 | Avi Kivity | if (listener->log_global_start) {
|
1574 | 975aefe0 | Avi Kivity | listener->log_global_start(listener); |
1575 | 975aefe0 | Avi Kivity | } |
1576 | 7664e80c | Avi Kivity | } |
1577 | 975aefe0 | Avi Kivity | |
1578 | 8786db7c | Avi Kivity | FOR_EACH_FLAT_RANGE(fr, as->current_map) { |
1579 | 7664e80c | Avi Kivity | MemoryRegionSection section = { |
1580 | 7664e80c | Avi Kivity | .mr = fr->mr, |
1581 | f6790af6 | Avi Kivity | .address_space = as, |
1582 | 7664e80c | Avi Kivity | .offset_within_region = fr->offset_in_region, |
1583 | 7664e80c | Avi Kivity | .size = int128_get64(fr->addr.size), |
1584 | 7664e80c | Avi Kivity | .offset_within_address_space = int128_get64(fr->addr.start), |
1585 | 7a8499e8 | Avi Kivity | .readonly = fr->readonly, |
1586 | 7664e80c | Avi Kivity | }; |
1587 | 975aefe0 | Avi Kivity | if (listener->region_add) {
|
1588 | 975aefe0 | Avi Kivity | listener->region_add(listener, §ion); |
1589 | 975aefe0 | Avi Kivity | } |
1590 | 7664e80c | Avi Kivity | } |
1591 | 7664e80c | Avi Kivity | } |
1592 | 7664e80c | Avi Kivity | |
1593 | f6790af6 | Avi Kivity | void memory_listener_register(MemoryListener *listener, AddressSpace *filter)
|
1594 | 7664e80c | Avi Kivity | { |
1595 | 72e22d2f | Avi Kivity | MemoryListener *other = NULL;
|
1596 | 0d673e36 | Avi Kivity | AddressSpace *as; |
1597 | 72e22d2f | Avi Kivity | |
1598 | 7376e582 | Avi Kivity | listener->address_space_filter = filter; |
1599 | 72e22d2f | Avi Kivity | if (QTAILQ_EMPTY(&memory_listeners)
|
1600 | 72e22d2f | Avi Kivity | || listener->priority >= QTAILQ_LAST(&memory_listeners, |
1601 | 72e22d2f | Avi Kivity | memory_listeners)->priority) { |
1602 | 72e22d2f | Avi Kivity | QTAILQ_INSERT_TAIL(&memory_listeners, listener, link); |
1603 | 72e22d2f | Avi Kivity | } else {
|
1604 | 72e22d2f | Avi Kivity | QTAILQ_FOREACH(other, &memory_listeners, link) { |
1605 | 72e22d2f | Avi Kivity | if (listener->priority < other->priority) {
|
1606 | 72e22d2f | Avi Kivity | break;
|
1607 | 72e22d2f | Avi Kivity | } |
1608 | 72e22d2f | Avi Kivity | } |
1609 | 72e22d2f | Avi Kivity | QTAILQ_INSERT_BEFORE(other, listener, link); |
1610 | 72e22d2f | Avi Kivity | } |
1611 | 0d673e36 | Avi Kivity | |
1612 | 0d673e36 | Avi Kivity | QTAILQ_FOREACH(as, &address_spaces, address_spaces_link) { |
1613 | 0d673e36 | Avi Kivity | listener_add_address_space(listener, as); |
1614 | 0d673e36 | Avi Kivity | } |
1615 | 7664e80c | Avi Kivity | } |
1616 | 7664e80c | Avi Kivity | |
1617 | 7664e80c | Avi Kivity | void memory_listener_unregister(MemoryListener *listener)
|
1618 | 7664e80c | Avi Kivity | { |
1619 | 72e22d2f | Avi Kivity | QTAILQ_REMOVE(&memory_listeners, listener, link); |
1620 | 86e775c6 | Avi Kivity | } |
1621 | e2177955 | Avi Kivity | |
1622 | 9ad2bbc1 | Avi Kivity | void address_space_init(AddressSpace *as, MemoryRegion *root)
|
1623 | 1c0ffa58 | Avi Kivity | { |
1624 | 59023ef4 | Jan Kiszka | memory_region_transaction_begin(); |
1625 | 8786db7c | Avi Kivity | as->root = root; |
1626 | 8786db7c | Avi Kivity | as->current_map = g_new(FlatView, 1);
|
1627 | 8786db7c | Avi Kivity | flatview_init(as->current_map); |
1628 | 4c19eb72 | Avi Kivity | as->ioeventfd_nb = 0;
|
1629 | 4c19eb72 | Avi Kivity | as->ioeventfds = NULL;
|
1630 | 0d673e36 | Avi Kivity | QTAILQ_INSERT_TAIL(&address_spaces, as, address_spaces_link); |
1631 | 0d673e36 | Avi Kivity | as->name = NULL;
|
1632 | ac1970fb | Avi Kivity | address_space_init_dispatch(as); |
1633 | f43793c7 | Paolo Bonzini | memory_region_update_pending |= root->enabled; |
1634 | f43793c7 | Paolo Bonzini | memory_region_transaction_commit(); |
1635 | 1c0ffa58 | Avi Kivity | } |
1636 | 658b2224 | Avi Kivity | |
1637 | 83f3c251 | Avi Kivity | void address_space_destroy(AddressSpace *as)
|
1638 | 83f3c251 | Avi Kivity | { |
1639 | 83f3c251 | Avi Kivity | /* Flush out anything from MemoryListeners listening in on this */
|
1640 | 83f3c251 | Avi Kivity | memory_region_transaction_begin(); |
1641 | 83f3c251 | Avi Kivity | as->root = NULL;
|
1642 | 83f3c251 | Avi Kivity | memory_region_transaction_commit(); |
1643 | 83f3c251 | Avi Kivity | QTAILQ_REMOVE(&address_spaces, as, address_spaces_link); |
1644 | 83f3c251 | Avi Kivity | address_space_destroy_dispatch(as); |
1645 | 83f3c251 | Avi Kivity | flatview_destroy(as->current_map); |
1646 | 83f3c251 | Avi Kivity | g_free(as->current_map); |
1647 | 4c19eb72 | Avi Kivity | g_free(as->ioeventfds); |
1648 | 83f3c251 | Avi Kivity | } |
1649 | 83f3c251 | Avi Kivity | |
1650 | a8170e5e | Avi Kivity | uint64_t io_mem_read(MemoryRegion *mr, hwaddr addr, unsigned size)
|
1651 | acbbec5d | Avi Kivity | { |
1652 | 37ec01d4 | Avi Kivity | return memory_region_dispatch_read(mr, addr, size);
|
1653 | acbbec5d | Avi Kivity | } |
1654 | acbbec5d | Avi Kivity | |
1655 | a8170e5e | Avi Kivity | void io_mem_write(MemoryRegion *mr, hwaddr addr,
|
1656 | acbbec5d | Avi Kivity | uint64_t val, unsigned size)
|
1657 | acbbec5d | Avi Kivity | { |
1658 | 37ec01d4 | Avi Kivity | memory_region_dispatch_write(mr, addr, val, size); |
1659 | acbbec5d | Avi Kivity | } |
1660 | acbbec5d | Avi Kivity | |
1661 | 314e2987 | Blue Swirl | typedef struct MemoryRegionList MemoryRegionList; |
1662 | 314e2987 | Blue Swirl | |
1663 | 314e2987 | Blue Swirl | struct MemoryRegionList {
|
1664 | 314e2987 | Blue Swirl | const MemoryRegion *mr;
|
1665 | 314e2987 | Blue Swirl | bool printed;
|
1666 | 314e2987 | Blue Swirl | QTAILQ_ENTRY(MemoryRegionList) queue; |
1667 | 314e2987 | Blue Swirl | }; |
1668 | 314e2987 | Blue Swirl | |
1669 | 314e2987 | Blue Swirl | typedef QTAILQ_HEAD(queue, MemoryRegionList) MemoryRegionListHead;
|
1670 | 314e2987 | Blue Swirl | |
1671 | 314e2987 | Blue Swirl | static void mtree_print_mr(fprintf_function mon_printf, void *f, |
1672 | 314e2987 | Blue Swirl | const MemoryRegion *mr, unsigned int level, |
1673 | a8170e5e | Avi Kivity | hwaddr base, |
1674 | 9479c57a | Jan Kiszka | MemoryRegionListHead *alias_print_queue) |
1675 | 314e2987 | Blue Swirl | { |
1676 | 9479c57a | Jan Kiszka | MemoryRegionList *new_ml, *ml, *next_ml; |
1677 | 9479c57a | Jan Kiszka | MemoryRegionListHead submr_print_queue; |
1678 | 314e2987 | Blue Swirl | const MemoryRegion *submr;
|
1679 | 314e2987 | Blue Swirl | unsigned int i; |
1680 | 314e2987 | Blue Swirl | |
1681 | 7ea692b2 | Jan Kiszka | if (!mr || !mr->enabled) {
|
1682 | 314e2987 | Blue Swirl | return;
|
1683 | 314e2987 | Blue Swirl | } |
1684 | 314e2987 | Blue Swirl | |
1685 | 314e2987 | Blue Swirl | for (i = 0; i < level; i++) { |
1686 | 314e2987 | Blue Swirl | mon_printf(f, " ");
|
1687 | 314e2987 | Blue Swirl | } |
1688 | 314e2987 | Blue Swirl | |
1689 | 314e2987 | Blue Swirl | if (mr->alias) {
|
1690 | 314e2987 | Blue Swirl | MemoryRegionList *ml; |
1691 | 314e2987 | Blue Swirl | bool found = false; |
1692 | 314e2987 | Blue Swirl | |
1693 | 314e2987 | Blue Swirl | /* check if the alias is already in the queue */
|
1694 | 9479c57a | Jan Kiszka | QTAILQ_FOREACH(ml, alias_print_queue, queue) { |
1695 | 314e2987 | Blue Swirl | if (ml->mr == mr->alias && !ml->printed) {
|
1696 | 314e2987 | Blue Swirl | found = true;
|
1697 | 314e2987 | Blue Swirl | } |
1698 | 314e2987 | Blue Swirl | } |
1699 | 314e2987 | Blue Swirl | |
1700 | 314e2987 | Blue Swirl | if (!found) {
|
1701 | 314e2987 | Blue Swirl | ml = g_new(MemoryRegionList, 1);
|
1702 | 314e2987 | Blue Swirl | ml->mr = mr->alias; |
1703 | 314e2987 | Blue Swirl | ml->printed = false;
|
1704 | 9479c57a | Jan Kiszka | QTAILQ_INSERT_TAIL(alias_print_queue, ml, queue); |
1705 | 314e2987 | Blue Swirl | } |
1706 | 4896d74b | Jan Kiszka | mon_printf(f, TARGET_FMT_plx "-" TARGET_FMT_plx
|
1707 | 4896d74b | Jan Kiszka | " (prio %d, %c%c): alias %s @%s " TARGET_FMT_plx
|
1708 | 4896d74b | Jan Kiszka | "-" TARGET_FMT_plx "\n", |
1709 | 314e2987 | Blue Swirl | base + mr->addr, |
1710 | 08dafab4 | Avi Kivity | base + mr->addr |
1711 | a8170e5e | Avi Kivity | + (hwaddr)int128_get64(mr->size) - 1,
|
1712 | 4b474ba7 | Jan Kiszka | mr->priority, |
1713 | 5f9a5ea1 | Jan Kiszka | mr->romd_mode ? 'R' : '-', |
1714 | 5f9a5ea1 | Jan Kiszka | !mr->readonly && !(mr->rom_device && mr->romd_mode) ? 'W'
|
1715 | 5f9a5ea1 | Jan Kiszka | : '-',
|
1716 | 314e2987 | Blue Swirl | mr->name, |
1717 | 314e2987 | Blue Swirl | mr->alias->name, |
1718 | 314e2987 | Blue Swirl | mr->alias_offset, |
1719 | 08dafab4 | Avi Kivity | mr->alias_offset |
1720 | a8170e5e | Avi Kivity | + (hwaddr)int128_get64(mr->size) - 1);
|
1721 | 314e2987 | Blue Swirl | } else {
|
1722 | 4896d74b | Jan Kiszka | mon_printf(f, |
1723 | 4896d74b | Jan Kiszka | TARGET_FMT_plx "-" TARGET_FMT_plx " (prio %d, %c%c): %s\n", |
1724 | 314e2987 | Blue Swirl | base + mr->addr, |
1725 | 08dafab4 | Avi Kivity | base + mr->addr |
1726 | a8170e5e | Avi Kivity | + (hwaddr)int128_get64(mr->size) - 1,
|
1727 | 4b474ba7 | Jan Kiszka | mr->priority, |
1728 | 5f9a5ea1 | Jan Kiszka | mr->romd_mode ? 'R' : '-', |
1729 | 5f9a5ea1 | Jan Kiszka | !mr->readonly && !(mr->rom_device && mr->romd_mode) ? 'W'
|
1730 | 5f9a5ea1 | Jan Kiszka | : '-',
|
1731 | 314e2987 | Blue Swirl | mr->name); |
1732 | 314e2987 | Blue Swirl | } |
1733 | 9479c57a | Jan Kiszka | |
1734 | 9479c57a | Jan Kiszka | QTAILQ_INIT(&submr_print_queue); |
1735 | 9479c57a | Jan Kiszka | |
1736 | 314e2987 | Blue Swirl | QTAILQ_FOREACH(submr, &mr->subregions, subregions_link) { |
1737 | 9479c57a | Jan Kiszka | new_ml = g_new(MemoryRegionList, 1);
|
1738 | 9479c57a | Jan Kiszka | new_ml->mr = submr; |
1739 | 9479c57a | Jan Kiszka | QTAILQ_FOREACH(ml, &submr_print_queue, queue) { |
1740 | 9479c57a | Jan Kiszka | if (new_ml->mr->addr < ml->mr->addr ||
|
1741 | 9479c57a | Jan Kiszka | (new_ml->mr->addr == ml->mr->addr && |
1742 | 9479c57a | Jan Kiszka | new_ml->mr->priority > ml->mr->priority)) { |
1743 | 9479c57a | Jan Kiszka | QTAILQ_INSERT_BEFORE(ml, new_ml, queue); |
1744 | 9479c57a | Jan Kiszka | new_ml = NULL;
|
1745 | 9479c57a | Jan Kiszka | break;
|
1746 | 9479c57a | Jan Kiszka | } |
1747 | 9479c57a | Jan Kiszka | } |
1748 | 9479c57a | Jan Kiszka | if (new_ml) {
|
1749 | 9479c57a | Jan Kiszka | QTAILQ_INSERT_TAIL(&submr_print_queue, new_ml, queue); |
1750 | 9479c57a | Jan Kiszka | } |
1751 | 9479c57a | Jan Kiszka | } |
1752 | 9479c57a | Jan Kiszka | |
1753 | 9479c57a | Jan Kiszka | QTAILQ_FOREACH(ml, &submr_print_queue, queue) { |
1754 | 9479c57a | Jan Kiszka | mtree_print_mr(mon_printf, f, ml->mr, level + 1, base + mr->addr,
|
1755 | 9479c57a | Jan Kiszka | alias_print_queue); |
1756 | 9479c57a | Jan Kiszka | } |
1757 | 9479c57a | Jan Kiszka | |
1758 | 88365e47 | Avi Kivity | QTAILQ_FOREACH_SAFE(ml, &submr_print_queue, queue, next_ml) { |
1759 | 9479c57a | Jan Kiszka | g_free(ml); |
1760 | 314e2987 | Blue Swirl | } |
1761 | 314e2987 | Blue Swirl | } |
1762 | 314e2987 | Blue Swirl | |
1763 | 314e2987 | Blue Swirl | void mtree_info(fprintf_function mon_printf, void *f) |
1764 | 314e2987 | Blue Swirl | { |
1765 | 314e2987 | Blue Swirl | MemoryRegionListHead ml_head; |
1766 | 314e2987 | Blue Swirl | MemoryRegionList *ml, *ml2; |
1767 | 0d673e36 | Avi Kivity | AddressSpace *as; |
1768 | 314e2987 | Blue Swirl | |
1769 | 314e2987 | Blue Swirl | QTAILQ_INIT(&ml_head); |
1770 | 314e2987 | Blue Swirl | |
1771 | 0d673e36 | Avi Kivity | QTAILQ_FOREACH(as, &address_spaces, address_spaces_link) { |
1772 | 0d673e36 | Avi Kivity | if (!as->name) {
|
1773 | 0d673e36 | Avi Kivity | continue;
|
1774 | 0d673e36 | Avi Kivity | } |
1775 | 0d673e36 | Avi Kivity | mon_printf(f, "%s\n", as->name);
|
1776 | 0d673e36 | Avi Kivity | mtree_print_mr(mon_printf, f, as->root, 0, 0, &ml_head); |
1777 | b9f9be88 | Blue Swirl | } |
1778 | b9f9be88 | Blue Swirl | |
1779 | b9f9be88 | Blue Swirl | mon_printf(f, "aliases\n");
|
1780 | 314e2987 | Blue Swirl | /* print aliased regions */
|
1781 | 314e2987 | Blue Swirl | QTAILQ_FOREACH(ml, &ml_head, queue) { |
1782 | 314e2987 | Blue Swirl | if (!ml->printed) {
|
1783 | 314e2987 | Blue Swirl | mon_printf(f, "%s\n", ml->mr->name);
|
1784 | 314e2987 | Blue Swirl | mtree_print_mr(mon_printf, f, ml->mr, 0, 0, &ml_head); |
1785 | 314e2987 | Blue Swirl | } |
1786 | 314e2987 | Blue Swirl | } |
1787 | 314e2987 | Blue Swirl | |
1788 | 314e2987 | Blue Swirl | QTAILQ_FOREACH_SAFE(ml, &ml_head, queue, ml2) { |
1789 | 88365e47 | Avi Kivity | g_free(ml); |
1790 | 314e2987 | Blue Swirl | } |
1791 | 314e2987 | Blue Swirl | } |