root / memory.c @ feature-archipelago
History | View | Annotate | Download (57.3 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 | 2c9b15ca | Paolo Bonzini | #include "qom/object.h" |
21 | 55d5d048 | Paolo Bonzini | #include "trace.h" |
22 | 093bc2cd | Avi Kivity | #include <assert.h> |
23 | 093bc2cd | Avi Kivity | |
24 | 022c62cb | Paolo Bonzini | #include "exec/memory-internal.h" |
25 | 220c3ebd | Juan Quintela | #include "exec/ram_addr.h" |
26 | 67d95c15 | Avi Kivity | |
27 | d197063f | Paolo Bonzini | //#define DEBUG_UNASSIGNED
|
28 | d197063f | Paolo Bonzini | |
29 | 22bde714 | Jan Kiszka | static unsigned memory_region_transaction_depth; |
30 | 22bde714 | Jan Kiszka | static bool memory_region_update_pending; |
31 | 7664e80c | Avi Kivity | static bool global_dirty_log = false; |
32 | 7664e80c | Avi Kivity | |
33 | 856d7245 | Paolo Bonzini | /* flat_view_mutex is taken around reading as->current_map; the critical
|
34 | 856d7245 | Paolo Bonzini | * section is extremely short, so I'm using a single mutex for every AS.
|
35 | 856d7245 | Paolo Bonzini | * We could also RCU for the read-side.
|
36 | 856d7245 | Paolo Bonzini | *
|
37 | 856d7245 | Paolo Bonzini | * The BQL is taken around transaction commits, hence both locks are taken
|
38 | 856d7245 | Paolo Bonzini | * while writing to as->current_map (with the BQL taken outside).
|
39 | 856d7245 | Paolo Bonzini | */
|
40 | 856d7245 | Paolo Bonzini | static QemuMutex flat_view_mutex;
|
41 | 856d7245 | Paolo Bonzini | |
42 | 72e22d2f | Avi Kivity | static QTAILQ_HEAD(memory_listeners, MemoryListener) memory_listeners
|
43 | 72e22d2f | Avi Kivity | = QTAILQ_HEAD_INITIALIZER(memory_listeners); |
44 | 4ef4db86 | Avi Kivity | |
45 | 0d673e36 | Avi Kivity | static QTAILQ_HEAD(, AddressSpace) address_spaces
|
46 | 0d673e36 | Avi Kivity | = QTAILQ_HEAD_INITIALIZER(address_spaces); |
47 | 0d673e36 | Avi Kivity | |
48 | 856d7245 | Paolo Bonzini | static void memory_init(void) |
49 | 856d7245 | Paolo Bonzini | { |
50 | 856d7245 | Paolo Bonzini | qemu_mutex_init(&flat_view_mutex); |
51 | 856d7245 | Paolo Bonzini | } |
52 | 856d7245 | Paolo Bonzini | |
53 | 093bc2cd | Avi Kivity | typedef struct AddrRange AddrRange; |
54 | 093bc2cd | Avi Kivity | |
55 | 8417cebf | Avi Kivity | /*
|
56 | 8417cebf | Avi Kivity | * Note using signed integers limits us to physical addresses at most
|
57 | 8417cebf | Avi Kivity | * 63 bits wide. They are needed for negative offsetting in aliases
|
58 | 8417cebf | Avi Kivity | * (large MemoryRegion::alias_offset).
|
59 | 8417cebf | Avi Kivity | */
|
60 | 093bc2cd | Avi Kivity | struct AddrRange {
|
61 | 08dafab4 | Avi Kivity | Int128 start; |
62 | 08dafab4 | Avi Kivity | Int128 size; |
63 | 093bc2cd | Avi Kivity | }; |
64 | 093bc2cd | Avi Kivity | |
65 | 08dafab4 | Avi Kivity | static AddrRange addrrange_make(Int128 start, Int128 size)
|
66 | 093bc2cd | Avi Kivity | { |
67 | 093bc2cd | Avi Kivity | return (AddrRange) { start, size };
|
68 | 093bc2cd | Avi Kivity | } |
69 | 093bc2cd | Avi Kivity | |
70 | 093bc2cd | Avi Kivity | static bool addrrange_equal(AddrRange r1, AddrRange r2) |
71 | 093bc2cd | Avi Kivity | { |
72 | 08dafab4 | Avi Kivity | return int128_eq(r1.start, r2.start) && int128_eq(r1.size, r2.size);
|
73 | 093bc2cd | Avi Kivity | } |
74 | 093bc2cd | Avi Kivity | |
75 | 08dafab4 | Avi Kivity | static Int128 addrrange_end(AddrRange r)
|
76 | 093bc2cd | Avi Kivity | { |
77 | 08dafab4 | Avi Kivity | return int128_add(r.start, r.size);
|
78 | 093bc2cd | Avi Kivity | } |
79 | 093bc2cd | Avi Kivity | |
80 | 08dafab4 | Avi Kivity | static AddrRange addrrange_shift(AddrRange range, Int128 delta)
|
81 | 093bc2cd | Avi Kivity | { |
82 | 08dafab4 | Avi Kivity | int128_addto(&range.start, delta); |
83 | 093bc2cd | Avi Kivity | return range;
|
84 | 093bc2cd | Avi Kivity | } |
85 | 093bc2cd | Avi Kivity | |
86 | 08dafab4 | Avi Kivity | static bool addrrange_contains(AddrRange range, Int128 addr) |
87 | 08dafab4 | Avi Kivity | { |
88 | 08dafab4 | Avi Kivity | return int128_ge(addr, range.start)
|
89 | 08dafab4 | Avi Kivity | && int128_lt(addr, addrrange_end(range)); |
90 | 08dafab4 | Avi Kivity | } |
91 | 08dafab4 | Avi Kivity | |
92 | 093bc2cd | Avi Kivity | static bool addrrange_intersects(AddrRange r1, AddrRange r2) |
93 | 093bc2cd | Avi Kivity | { |
94 | 08dafab4 | Avi Kivity | return addrrange_contains(r1, r2.start)
|
95 | 08dafab4 | Avi Kivity | || addrrange_contains(r2, r1.start); |
96 | 093bc2cd | Avi Kivity | } |
97 | 093bc2cd | Avi Kivity | |
98 | 093bc2cd | Avi Kivity | static AddrRange addrrange_intersection(AddrRange r1, AddrRange r2)
|
99 | 093bc2cd | Avi Kivity | { |
100 | 08dafab4 | Avi Kivity | Int128 start = int128_max(r1.start, r2.start); |
101 | 08dafab4 | Avi Kivity | Int128 end = int128_min(addrrange_end(r1), addrrange_end(r2)); |
102 | 08dafab4 | Avi Kivity | return addrrange_make(start, int128_sub(end, start));
|
103 | 093bc2cd | Avi Kivity | } |
104 | 093bc2cd | Avi Kivity | |
105 | 0e0d36b4 | Avi Kivity | enum ListenerDirection { Forward, Reverse };
|
106 | 0e0d36b4 | Avi Kivity | |
107 | 7376e582 | Avi Kivity | static bool memory_listener_match(MemoryListener *listener, |
108 | 7376e582 | Avi Kivity | MemoryRegionSection *section) |
109 | 7376e582 | Avi Kivity | { |
110 | 7376e582 | Avi Kivity | return !listener->address_space_filter
|
111 | 7376e582 | Avi Kivity | || listener->address_space_filter == section->address_space; |
112 | 7376e582 | Avi Kivity | } |
113 | 7376e582 | Avi Kivity | |
114 | 7376e582 | Avi Kivity | #define MEMORY_LISTENER_CALL_GLOBAL(_callback, _direction, _args...) \
|
115 | 0e0d36b4 | Avi Kivity | do { \
|
116 | 0e0d36b4 | Avi Kivity | MemoryListener *_listener; \ |
117 | 0e0d36b4 | Avi Kivity | \ |
118 | 0e0d36b4 | Avi Kivity | switch (_direction) { \
|
119 | 0e0d36b4 | Avi Kivity | case Forward: \
|
120 | 0e0d36b4 | Avi Kivity | QTAILQ_FOREACH(_listener, &memory_listeners, link) { \ |
121 | 975aefe0 | Avi Kivity | if (_listener->_callback) { \
|
122 | 975aefe0 | Avi Kivity | _listener->_callback(_listener, ##_args); \ |
123 | 975aefe0 | Avi Kivity | } \ |
124 | 0e0d36b4 | Avi Kivity | } \ |
125 | 0e0d36b4 | Avi Kivity | break; \
|
126 | 0e0d36b4 | Avi Kivity | case Reverse: \
|
127 | 0e0d36b4 | Avi Kivity | QTAILQ_FOREACH_REVERSE(_listener, &memory_listeners, \ |
128 | 0e0d36b4 | Avi Kivity | memory_listeners, link) { \ |
129 | 975aefe0 | Avi Kivity | if (_listener->_callback) { \
|
130 | 975aefe0 | Avi Kivity | _listener->_callback(_listener, ##_args); \ |
131 | 975aefe0 | Avi Kivity | } \ |
132 | 0e0d36b4 | Avi Kivity | } \ |
133 | 0e0d36b4 | Avi Kivity | break; \
|
134 | 0e0d36b4 | Avi Kivity | default: \
|
135 | 0e0d36b4 | Avi Kivity | abort(); \ |
136 | 0e0d36b4 | Avi Kivity | } \ |
137 | 0e0d36b4 | Avi Kivity | } while (0) |
138 | 0e0d36b4 | Avi Kivity | |
139 | 7376e582 | Avi Kivity | #define MEMORY_LISTENER_CALL(_callback, _direction, _section, _args...) \
|
140 | 7376e582 | Avi Kivity | do { \
|
141 | 7376e582 | Avi Kivity | MemoryListener *_listener; \ |
142 | 7376e582 | Avi Kivity | \ |
143 | 7376e582 | Avi Kivity | switch (_direction) { \
|
144 | 7376e582 | Avi Kivity | case Forward: \
|
145 | 7376e582 | Avi Kivity | QTAILQ_FOREACH(_listener, &memory_listeners, link) { \ |
146 | 975aefe0 | Avi Kivity | if (_listener->_callback \
|
147 | 975aefe0 | Avi Kivity | && memory_listener_match(_listener, _section)) { \ |
148 | 7376e582 | Avi Kivity | _listener->_callback(_listener, _section, ##_args); \ |
149 | 7376e582 | Avi Kivity | } \ |
150 | 7376e582 | Avi Kivity | } \ |
151 | 7376e582 | Avi Kivity | break; \
|
152 | 7376e582 | Avi Kivity | case Reverse: \
|
153 | 7376e582 | Avi Kivity | QTAILQ_FOREACH_REVERSE(_listener, &memory_listeners, \ |
154 | 7376e582 | Avi Kivity | memory_listeners, link) { \ |
155 | 975aefe0 | Avi Kivity | if (_listener->_callback \
|
156 | 975aefe0 | Avi Kivity | && memory_listener_match(_listener, _section)) { \ |
157 | 7376e582 | Avi Kivity | _listener->_callback(_listener, _section, ##_args); \ |
158 | 7376e582 | Avi Kivity | } \ |
159 | 7376e582 | Avi Kivity | } \ |
160 | 7376e582 | Avi Kivity | break; \
|
161 | 7376e582 | Avi Kivity | default: \
|
162 | 7376e582 | Avi Kivity | abort(); \ |
163 | 7376e582 | Avi Kivity | } \ |
164 | 7376e582 | Avi Kivity | } while (0) |
165 | 7376e582 | Avi Kivity | |
166 | dfde4e6e | Paolo Bonzini | /* No need to ref/unref .mr, the FlatRange keeps it alive. */
|
167 | 0e0d36b4 | Avi Kivity | #define MEMORY_LISTENER_UPDATE_REGION(fr, as, dir, callback) \
|
168 | 7376e582 | Avi Kivity | MEMORY_LISTENER_CALL(callback, dir, (&(MemoryRegionSection) { \ |
169 | 0e0d36b4 | Avi Kivity | .mr = (fr)->mr, \ |
170 | f6790af6 | Avi Kivity | .address_space = (as), \ |
171 | 0e0d36b4 | Avi Kivity | .offset_within_region = (fr)->offset_in_region, \ |
172 | 052e87b0 | Paolo Bonzini | .size = (fr)->addr.size, \ |
173 | 0e0d36b4 | Avi Kivity | .offset_within_address_space = int128_get64((fr)->addr.start), \ |
174 | 7a8499e8 | Avi Kivity | .readonly = (fr)->readonly, \ |
175 | 7376e582 | Avi Kivity | })) |
176 | 0e0d36b4 | Avi Kivity | |
177 | 093bc2cd | Avi Kivity | struct CoalescedMemoryRange {
|
178 | 093bc2cd | Avi Kivity | AddrRange addr; |
179 | 093bc2cd | Avi Kivity | QTAILQ_ENTRY(CoalescedMemoryRange) link; |
180 | 093bc2cd | Avi Kivity | }; |
181 | 093bc2cd | Avi Kivity | |
182 | 3e9d69e7 | Avi Kivity | struct MemoryRegionIoeventfd {
|
183 | 3e9d69e7 | Avi Kivity | AddrRange addr; |
184 | 3e9d69e7 | Avi Kivity | bool match_data;
|
185 | 3e9d69e7 | Avi Kivity | uint64_t data; |
186 | 753d5e14 | Paolo Bonzini | EventNotifier *e; |
187 | 3e9d69e7 | Avi Kivity | }; |
188 | 3e9d69e7 | Avi Kivity | |
189 | 3e9d69e7 | Avi Kivity | static bool memory_region_ioeventfd_before(MemoryRegionIoeventfd a, |
190 | 3e9d69e7 | Avi Kivity | MemoryRegionIoeventfd b) |
191 | 3e9d69e7 | Avi Kivity | { |
192 | 08dafab4 | Avi Kivity | if (int128_lt(a.addr.start, b.addr.start)) {
|
193 | 3e9d69e7 | Avi Kivity | return true; |
194 | 08dafab4 | Avi Kivity | } else if (int128_gt(a.addr.start, b.addr.start)) { |
195 | 3e9d69e7 | Avi Kivity | return false; |
196 | 08dafab4 | Avi Kivity | } else if (int128_lt(a.addr.size, b.addr.size)) { |
197 | 3e9d69e7 | Avi Kivity | return true; |
198 | 08dafab4 | Avi Kivity | } else if (int128_gt(a.addr.size, b.addr.size)) { |
199 | 3e9d69e7 | Avi Kivity | return false; |
200 | 3e9d69e7 | Avi Kivity | } else if (a.match_data < b.match_data) { |
201 | 3e9d69e7 | Avi Kivity | return true; |
202 | 3e9d69e7 | Avi Kivity | } else if (a.match_data > b.match_data) { |
203 | 3e9d69e7 | Avi Kivity | return false; |
204 | 3e9d69e7 | Avi Kivity | } else if (a.match_data) { |
205 | 3e9d69e7 | Avi Kivity | if (a.data < b.data) {
|
206 | 3e9d69e7 | Avi Kivity | return true; |
207 | 3e9d69e7 | Avi Kivity | } else if (a.data > b.data) { |
208 | 3e9d69e7 | Avi Kivity | return false; |
209 | 3e9d69e7 | Avi Kivity | } |
210 | 3e9d69e7 | Avi Kivity | } |
211 | 753d5e14 | Paolo Bonzini | if (a.e < b.e) {
|
212 | 3e9d69e7 | Avi Kivity | return true; |
213 | 753d5e14 | Paolo Bonzini | } else if (a.e > b.e) { |
214 | 3e9d69e7 | Avi Kivity | return false; |
215 | 3e9d69e7 | Avi Kivity | } |
216 | 3e9d69e7 | Avi Kivity | return false; |
217 | 3e9d69e7 | Avi Kivity | } |
218 | 3e9d69e7 | Avi Kivity | |
219 | 3e9d69e7 | Avi Kivity | static bool memory_region_ioeventfd_equal(MemoryRegionIoeventfd a, |
220 | 3e9d69e7 | Avi Kivity | MemoryRegionIoeventfd b) |
221 | 3e9d69e7 | Avi Kivity | { |
222 | 3e9d69e7 | Avi Kivity | return !memory_region_ioeventfd_before(a, b)
|
223 | 3e9d69e7 | Avi Kivity | && !memory_region_ioeventfd_before(b, a); |
224 | 3e9d69e7 | Avi Kivity | } |
225 | 3e9d69e7 | Avi Kivity | |
226 | 093bc2cd | Avi Kivity | typedef struct FlatRange FlatRange; |
227 | 093bc2cd | Avi Kivity | typedef struct FlatView FlatView; |
228 | 093bc2cd | Avi Kivity | |
229 | 093bc2cd | Avi Kivity | /* Range of memory in the global map. Addresses are absolute. */
|
230 | 093bc2cd | Avi Kivity | struct FlatRange {
|
231 | 093bc2cd | Avi Kivity | MemoryRegion *mr; |
232 | a8170e5e | Avi Kivity | hwaddr offset_in_region; |
233 | 093bc2cd | Avi Kivity | AddrRange addr; |
234 | 5a583347 | Avi Kivity | uint8_t dirty_log_mask; |
235 | 5f9a5ea1 | Jan Kiszka | bool romd_mode;
|
236 | fb1cd6f9 | Avi Kivity | bool readonly;
|
237 | 093bc2cd | Avi Kivity | }; |
238 | 093bc2cd | Avi Kivity | |
239 | 093bc2cd | Avi Kivity | /* Flattened global view of current active memory hierarchy. Kept in sorted
|
240 | 093bc2cd | Avi Kivity | * order.
|
241 | 093bc2cd | Avi Kivity | */
|
242 | 093bc2cd | Avi Kivity | struct FlatView {
|
243 | 856d7245 | Paolo Bonzini | unsigned ref;
|
244 | 093bc2cd | Avi Kivity | FlatRange *ranges; |
245 | 093bc2cd | Avi Kivity | unsigned nr;
|
246 | 093bc2cd | Avi Kivity | unsigned nr_allocated;
|
247 | 093bc2cd | Avi Kivity | }; |
248 | 093bc2cd | Avi Kivity | |
249 | cc31e6e7 | Avi Kivity | typedef struct AddressSpaceOps AddressSpaceOps; |
250 | cc31e6e7 | Avi Kivity | |
251 | 093bc2cd | Avi Kivity | #define FOR_EACH_FLAT_RANGE(var, view) \
|
252 | 093bc2cd | Avi Kivity | for (var = (view)->ranges; var < (view)->ranges + (view)->nr; ++var)
|
253 | 093bc2cd | Avi Kivity | |
254 | 093bc2cd | Avi Kivity | static bool flatrange_equal(FlatRange *a, FlatRange *b) |
255 | 093bc2cd | Avi Kivity | { |
256 | 093bc2cd | Avi Kivity | return a->mr == b->mr
|
257 | 093bc2cd | Avi Kivity | && addrrange_equal(a->addr, b->addr) |
258 | d0a9b5bc | Avi Kivity | && a->offset_in_region == b->offset_in_region |
259 | 5f9a5ea1 | Jan Kiszka | && a->romd_mode == b->romd_mode |
260 | fb1cd6f9 | Avi Kivity | && a->readonly == b->readonly; |
261 | 093bc2cd | Avi Kivity | } |
262 | 093bc2cd | Avi Kivity | |
263 | 093bc2cd | Avi Kivity | static void flatview_init(FlatView *view) |
264 | 093bc2cd | Avi Kivity | { |
265 | 856d7245 | Paolo Bonzini | view->ref = 1;
|
266 | 093bc2cd | Avi Kivity | view->ranges = NULL;
|
267 | 093bc2cd | Avi Kivity | view->nr = 0;
|
268 | 093bc2cd | Avi Kivity | view->nr_allocated = 0;
|
269 | 093bc2cd | Avi Kivity | } |
270 | 093bc2cd | Avi Kivity | |
271 | 093bc2cd | Avi Kivity | /* Insert a range into a given position. Caller is responsible for maintaining
|
272 | 093bc2cd | Avi Kivity | * sorting order.
|
273 | 093bc2cd | Avi Kivity | */
|
274 | 093bc2cd | Avi Kivity | static void flatview_insert(FlatView *view, unsigned pos, FlatRange *range) |
275 | 093bc2cd | Avi Kivity | { |
276 | 093bc2cd | Avi Kivity | if (view->nr == view->nr_allocated) {
|
277 | 093bc2cd | Avi Kivity | view->nr_allocated = MAX(2 * view->nr, 10); |
278 | 7267c094 | Anthony Liguori | view->ranges = g_realloc(view->ranges, |
279 | 093bc2cd | Avi Kivity | view->nr_allocated * sizeof(*view->ranges));
|
280 | 093bc2cd | Avi Kivity | } |
281 | 093bc2cd | Avi Kivity | memmove(view->ranges + pos + 1, view->ranges + pos,
|
282 | 093bc2cd | Avi Kivity | (view->nr - pos) * sizeof(FlatRange));
|
283 | 093bc2cd | Avi Kivity | view->ranges[pos] = *range; |
284 | dfde4e6e | Paolo Bonzini | memory_region_ref(range->mr); |
285 | 093bc2cd | Avi Kivity | ++view->nr; |
286 | 093bc2cd | Avi Kivity | } |
287 | 093bc2cd | Avi Kivity | |
288 | 093bc2cd | Avi Kivity | static void flatview_destroy(FlatView *view) |
289 | 093bc2cd | Avi Kivity | { |
290 | dfde4e6e | Paolo Bonzini | int i;
|
291 | dfde4e6e | Paolo Bonzini | |
292 | dfde4e6e | Paolo Bonzini | for (i = 0; i < view->nr; i++) { |
293 | dfde4e6e | Paolo Bonzini | memory_region_unref(view->ranges[i].mr); |
294 | dfde4e6e | Paolo Bonzini | } |
295 | 7267c094 | Anthony Liguori | g_free(view->ranges); |
296 | a9a0c06d | Paolo Bonzini | g_free(view); |
297 | 093bc2cd | Avi Kivity | } |
298 | 093bc2cd | Avi Kivity | |
299 | 856d7245 | Paolo Bonzini | static void flatview_ref(FlatView *view) |
300 | 856d7245 | Paolo Bonzini | { |
301 | 856d7245 | Paolo Bonzini | atomic_inc(&view->ref); |
302 | 856d7245 | Paolo Bonzini | } |
303 | 856d7245 | Paolo Bonzini | |
304 | 856d7245 | Paolo Bonzini | static void flatview_unref(FlatView *view) |
305 | 856d7245 | Paolo Bonzini | { |
306 | 856d7245 | Paolo Bonzini | if (atomic_fetch_dec(&view->ref) == 1) { |
307 | 856d7245 | Paolo Bonzini | flatview_destroy(view); |
308 | 856d7245 | Paolo Bonzini | } |
309 | 856d7245 | Paolo Bonzini | } |
310 | 856d7245 | Paolo Bonzini | |
311 | 3d8e6bf9 | Avi Kivity | static bool can_merge(FlatRange *r1, FlatRange *r2) |
312 | 3d8e6bf9 | Avi Kivity | { |
313 | 08dafab4 | Avi Kivity | return int128_eq(addrrange_end(r1->addr), r2->addr.start)
|
314 | 3d8e6bf9 | Avi Kivity | && r1->mr == r2->mr |
315 | 08dafab4 | Avi Kivity | && int128_eq(int128_add(int128_make64(r1->offset_in_region), |
316 | 08dafab4 | Avi Kivity | r1->addr.size), |
317 | 08dafab4 | Avi Kivity | int128_make64(r2->offset_in_region)) |
318 | d0a9b5bc | Avi Kivity | && r1->dirty_log_mask == r2->dirty_log_mask |
319 | 5f9a5ea1 | Jan Kiszka | && r1->romd_mode == r2->romd_mode |
320 | fb1cd6f9 | Avi Kivity | && r1->readonly == r2->readonly; |
321 | 3d8e6bf9 | Avi Kivity | } |
322 | 3d8e6bf9 | Avi Kivity | |
323 | 8508e024 | Peter Crosthwaite | /* Attempt to simplify a view by merging adjacent ranges */
|
324 | 3d8e6bf9 | Avi Kivity | static void flatview_simplify(FlatView *view) |
325 | 3d8e6bf9 | Avi Kivity | { |
326 | 3d8e6bf9 | Avi Kivity | unsigned i, j;
|
327 | 3d8e6bf9 | Avi Kivity | |
328 | 3d8e6bf9 | Avi Kivity | i = 0;
|
329 | 3d8e6bf9 | Avi Kivity | while (i < view->nr) {
|
330 | 3d8e6bf9 | Avi Kivity | j = i + 1;
|
331 | 3d8e6bf9 | Avi Kivity | while (j < view->nr
|
332 | 3d8e6bf9 | Avi Kivity | && can_merge(&view->ranges[j-1], &view->ranges[j])) {
|
333 | 08dafab4 | Avi Kivity | int128_addto(&view->ranges[i].addr.size, view->ranges[j].addr.size); |
334 | 3d8e6bf9 | Avi Kivity | ++j; |
335 | 3d8e6bf9 | Avi Kivity | } |
336 | 3d8e6bf9 | Avi Kivity | ++i; |
337 | 3d8e6bf9 | Avi Kivity | memmove(&view->ranges[i], &view->ranges[j], |
338 | 3d8e6bf9 | Avi Kivity | (view->nr - j) * sizeof(view->ranges[j]));
|
339 | 3d8e6bf9 | Avi Kivity | view->nr -= j - i; |
340 | 3d8e6bf9 | Avi Kivity | } |
341 | 3d8e6bf9 | Avi Kivity | } |
342 | 3d8e6bf9 | Avi Kivity | |
343 | e7342aa3 | Paolo Bonzini | static bool memory_region_big_endian(MemoryRegion *mr) |
344 | e7342aa3 | Paolo Bonzini | { |
345 | e7342aa3 | Paolo Bonzini | #ifdef TARGET_WORDS_BIGENDIAN
|
346 | e7342aa3 | Paolo Bonzini | return mr->ops->endianness != DEVICE_LITTLE_ENDIAN;
|
347 | e7342aa3 | Paolo Bonzini | #else
|
348 | e7342aa3 | Paolo Bonzini | return mr->ops->endianness == DEVICE_BIG_ENDIAN;
|
349 | e7342aa3 | Paolo Bonzini | #endif
|
350 | e7342aa3 | Paolo Bonzini | } |
351 | e7342aa3 | Paolo Bonzini | |
352 | e11ef3d1 | Paolo Bonzini | static bool memory_region_wrong_endianness(MemoryRegion *mr) |
353 | e11ef3d1 | Paolo Bonzini | { |
354 | e11ef3d1 | Paolo Bonzini | #ifdef TARGET_WORDS_BIGENDIAN
|
355 | e11ef3d1 | Paolo Bonzini | return mr->ops->endianness == DEVICE_LITTLE_ENDIAN;
|
356 | e11ef3d1 | Paolo Bonzini | #else
|
357 | e11ef3d1 | Paolo Bonzini | return mr->ops->endianness == DEVICE_BIG_ENDIAN;
|
358 | e11ef3d1 | Paolo Bonzini | #endif
|
359 | e11ef3d1 | Paolo Bonzini | } |
360 | e11ef3d1 | Paolo Bonzini | |
361 | e11ef3d1 | Paolo Bonzini | static void adjust_endianness(MemoryRegion *mr, uint64_t *data, unsigned size) |
362 | e11ef3d1 | Paolo Bonzini | { |
363 | e11ef3d1 | Paolo Bonzini | if (memory_region_wrong_endianness(mr)) {
|
364 | e11ef3d1 | Paolo Bonzini | switch (size) {
|
365 | e11ef3d1 | Paolo Bonzini | case 1: |
366 | e11ef3d1 | Paolo Bonzini | break;
|
367 | e11ef3d1 | Paolo Bonzini | case 2: |
368 | e11ef3d1 | Paolo Bonzini | *data = bswap16(*data); |
369 | e11ef3d1 | Paolo Bonzini | break;
|
370 | e11ef3d1 | Paolo Bonzini | case 4: |
371 | e11ef3d1 | Paolo Bonzini | *data = bswap32(*data); |
372 | e11ef3d1 | Paolo Bonzini | break;
|
373 | e11ef3d1 | Paolo Bonzini | case 8: |
374 | e11ef3d1 | Paolo Bonzini | *data = bswap64(*data); |
375 | e11ef3d1 | Paolo Bonzini | break;
|
376 | e11ef3d1 | Paolo Bonzini | default:
|
377 | e11ef3d1 | Paolo Bonzini | abort(); |
378 | e11ef3d1 | Paolo Bonzini | } |
379 | e11ef3d1 | Paolo Bonzini | } |
380 | e11ef3d1 | Paolo Bonzini | } |
381 | e11ef3d1 | Paolo Bonzini | |
382 | 547e9201 | Paolo Bonzini | static void memory_region_oldmmio_read_accessor(MemoryRegion *mr, |
383 | ce5d2f33 | Paolo Bonzini | hwaddr addr, |
384 | ce5d2f33 | Paolo Bonzini | uint64_t *value, |
385 | ce5d2f33 | Paolo Bonzini | unsigned size,
|
386 | ce5d2f33 | Paolo Bonzini | unsigned shift,
|
387 | ce5d2f33 | Paolo Bonzini | uint64_t mask) |
388 | ce5d2f33 | Paolo Bonzini | { |
389 | ce5d2f33 | Paolo Bonzini | uint64_t tmp; |
390 | ce5d2f33 | Paolo Bonzini | |
391 | ce5d2f33 | Paolo Bonzini | tmp = mr->ops->old_mmio.read[ctz32(size)](mr->opaque, addr); |
392 | 55d5d048 | Paolo Bonzini | trace_memory_region_ops_read(mr, addr, tmp, size); |
393 | ce5d2f33 | Paolo Bonzini | *value |= (tmp & mask) << shift; |
394 | ce5d2f33 | Paolo Bonzini | } |
395 | ce5d2f33 | Paolo Bonzini | |
396 | 547e9201 | Paolo Bonzini | static void memory_region_read_accessor(MemoryRegion *mr, |
397 | a8170e5e | Avi Kivity | hwaddr addr, |
398 | 164a4dcd | Avi Kivity | uint64_t *value, |
399 | 164a4dcd | Avi Kivity | unsigned size,
|
400 | 164a4dcd | Avi Kivity | unsigned shift,
|
401 | 164a4dcd | Avi Kivity | uint64_t mask) |
402 | 164a4dcd | Avi Kivity | { |
403 | 164a4dcd | Avi Kivity | uint64_t tmp; |
404 | 164a4dcd | Avi Kivity | |
405 | d410515e | Jan Kiszka | if (mr->flush_coalesced_mmio) {
|
406 | d410515e | Jan Kiszka | qemu_flush_coalesced_mmio_buffer(); |
407 | d410515e | Jan Kiszka | } |
408 | 164a4dcd | Avi Kivity | tmp = mr->ops->read(mr->opaque, addr, size); |
409 | 55d5d048 | Paolo Bonzini | trace_memory_region_ops_read(mr, addr, tmp, size); |
410 | 164a4dcd | Avi Kivity | *value |= (tmp & mask) << shift; |
411 | 164a4dcd | Avi Kivity | } |
412 | 164a4dcd | Avi Kivity | |
413 | 547e9201 | Paolo Bonzini | static void memory_region_oldmmio_write_accessor(MemoryRegion *mr, |
414 | ce5d2f33 | Paolo Bonzini | hwaddr addr, |
415 | ce5d2f33 | Paolo Bonzini | uint64_t *value, |
416 | ce5d2f33 | Paolo Bonzini | unsigned size,
|
417 | ce5d2f33 | Paolo Bonzini | unsigned shift,
|
418 | ce5d2f33 | Paolo Bonzini | uint64_t mask) |
419 | ce5d2f33 | Paolo Bonzini | { |
420 | ce5d2f33 | Paolo Bonzini | uint64_t tmp; |
421 | ce5d2f33 | Paolo Bonzini | |
422 | ce5d2f33 | Paolo Bonzini | tmp = (*value >> shift) & mask; |
423 | 55d5d048 | Paolo Bonzini | trace_memory_region_ops_write(mr, addr, tmp, size); |
424 | ce5d2f33 | Paolo Bonzini | mr->ops->old_mmio.write[ctz32(size)](mr->opaque, addr, tmp); |
425 | ce5d2f33 | Paolo Bonzini | } |
426 | ce5d2f33 | Paolo Bonzini | |
427 | 547e9201 | Paolo Bonzini | static void memory_region_write_accessor(MemoryRegion *mr, |
428 | a8170e5e | Avi Kivity | hwaddr addr, |
429 | 164a4dcd | Avi Kivity | uint64_t *value, |
430 | 164a4dcd | Avi Kivity | unsigned size,
|
431 | 164a4dcd | Avi Kivity | unsigned shift,
|
432 | 164a4dcd | Avi Kivity | uint64_t mask) |
433 | 164a4dcd | Avi Kivity | { |
434 | 164a4dcd | Avi Kivity | uint64_t tmp; |
435 | 164a4dcd | Avi Kivity | |
436 | d410515e | Jan Kiszka | if (mr->flush_coalesced_mmio) {
|
437 | d410515e | Jan Kiszka | qemu_flush_coalesced_mmio_buffer(); |
438 | d410515e | Jan Kiszka | } |
439 | 164a4dcd | Avi Kivity | tmp = (*value >> shift) & mask; |
440 | 55d5d048 | Paolo Bonzini | trace_memory_region_ops_write(mr, addr, tmp, size); |
441 | 164a4dcd | Avi Kivity | mr->ops->write(mr->opaque, addr, tmp, size); |
442 | 164a4dcd | Avi Kivity | } |
443 | 164a4dcd | Avi Kivity | |
444 | a8170e5e | Avi Kivity | static void access_with_adjusted_size(hwaddr addr, |
445 | 164a4dcd | Avi Kivity | uint64_t *value, |
446 | 164a4dcd | Avi Kivity | unsigned size,
|
447 | 164a4dcd | Avi Kivity | unsigned access_size_min,
|
448 | 164a4dcd | Avi Kivity | unsigned access_size_max,
|
449 | 547e9201 | Paolo Bonzini | void (*access)(MemoryRegion *mr,
|
450 | a8170e5e | Avi Kivity | hwaddr addr, |
451 | 164a4dcd | Avi Kivity | uint64_t *value, |
452 | 164a4dcd | Avi Kivity | unsigned size,
|
453 | 164a4dcd | Avi Kivity | unsigned shift,
|
454 | 164a4dcd | Avi Kivity | uint64_t mask), |
455 | 547e9201 | Paolo Bonzini | MemoryRegion *mr) |
456 | 164a4dcd | Avi Kivity | { |
457 | 164a4dcd | Avi Kivity | uint64_t access_mask; |
458 | 164a4dcd | Avi Kivity | unsigned access_size;
|
459 | 164a4dcd | Avi Kivity | unsigned i;
|
460 | 164a4dcd | Avi Kivity | |
461 | 164a4dcd | Avi Kivity | if (!access_size_min) {
|
462 | 164a4dcd | Avi Kivity | access_size_min = 1;
|
463 | 164a4dcd | Avi Kivity | } |
464 | 164a4dcd | Avi Kivity | if (!access_size_max) {
|
465 | 164a4dcd | Avi Kivity | access_size_max = 4;
|
466 | 164a4dcd | Avi Kivity | } |
467 | ce5d2f33 | Paolo Bonzini | |
468 | ce5d2f33 | Paolo Bonzini | /* FIXME: support unaligned access? */
|
469 | 164a4dcd | Avi Kivity | access_size = MAX(MIN(size, access_size_max), access_size_min); |
470 | 164a4dcd | Avi Kivity | access_mask = -1ULL >> (64 - access_size * 8); |
471 | e7342aa3 | Paolo Bonzini | if (memory_region_big_endian(mr)) {
|
472 | e7342aa3 | Paolo Bonzini | for (i = 0; i < size; i += access_size) { |
473 | e7342aa3 | Paolo Bonzini | access(mr, addr + i, value, access_size, |
474 | e7342aa3 | Paolo Bonzini | (size - access_size - i) * 8, access_mask);
|
475 | e7342aa3 | Paolo Bonzini | } |
476 | e7342aa3 | Paolo Bonzini | } else {
|
477 | e7342aa3 | Paolo Bonzini | for (i = 0; i < size; i += access_size) { |
478 | e7342aa3 | Paolo Bonzini | access(mr, addr + i, value, access_size, i * 8, access_mask);
|
479 | e7342aa3 | Paolo Bonzini | } |
480 | 164a4dcd | Avi Kivity | } |
481 | 164a4dcd | Avi Kivity | } |
482 | 164a4dcd | Avi Kivity | |
483 | e2177955 | Avi Kivity | static AddressSpace *memory_region_to_address_space(MemoryRegion *mr)
|
484 | e2177955 | Avi Kivity | { |
485 | 0d673e36 | Avi Kivity | AddressSpace *as; |
486 | 0d673e36 | Avi Kivity | |
487 | e2177955 | Avi Kivity | while (mr->parent) {
|
488 | e2177955 | Avi Kivity | mr = mr->parent; |
489 | e2177955 | Avi Kivity | } |
490 | 0d673e36 | Avi Kivity | QTAILQ_FOREACH(as, &address_spaces, address_spaces_link) { |
491 | 0d673e36 | Avi Kivity | if (mr == as->root) {
|
492 | 0d673e36 | Avi Kivity | return as;
|
493 | 0d673e36 | Avi Kivity | } |
494 | e2177955 | Avi Kivity | } |
495 | e2177955 | Avi Kivity | abort(); |
496 | e2177955 | Avi Kivity | } |
497 | e2177955 | Avi Kivity | |
498 | 093bc2cd | Avi Kivity | /* Render a memory region into the global view. Ranges in @view obscure
|
499 | 093bc2cd | Avi Kivity | * ranges in @mr.
|
500 | 093bc2cd | Avi Kivity | */
|
501 | 093bc2cd | Avi Kivity | static void render_memory_region(FlatView *view, |
502 | 093bc2cd | Avi Kivity | MemoryRegion *mr, |
503 | 08dafab4 | Avi Kivity | Int128 base, |
504 | fb1cd6f9 | Avi Kivity | AddrRange clip, |
505 | fb1cd6f9 | Avi Kivity | bool readonly)
|
506 | 093bc2cd | Avi Kivity | { |
507 | 093bc2cd | Avi Kivity | MemoryRegion *subregion; |
508 | 093bc2cd | Avi Kivity | unsigned i;
|
509 | a8170e5e | Avi Kivity | hwaddr offset_in_region; |
510 | 08dafab4 | Avi Kivity | Int128 remain; |
511 | 08dafab4 | Avi Kivity | Int128 now; |
512 | 093bc2cd | Avi Kivity | FlatRange fr; |
513 | 093bc2cd | Avi Kivity | AddrRange tmp; |
514 | 093bc2cd | Avi Kivity | |
515 | 6bba19ba | Avi Kivity | if (!mr->enabled) {
|
516 | 6bba19ba | Avi Kivity | return;
|
517 | 6bba19ba | Avi Kivity | } |
518 | 6bba19ba | Avi Kivity | |
519 | 08dafab4 | Avi Kivity | int128_addto(&base, int128_make64(mr->addr)); |
520 | fb1cd6f9 | Avi Kivity | readonly |= mr->readonly; |
521 | 093bc2cd | Avi Kivity | |
522 | 093bc2cd | Avi Kivity | tmp = addrrange_make(base, mr->size); |
523 | 093bc2cd | Avi Kivity | |
524 | 093bc2cd | Avi Kivity | if (!addrrange_intersects(tmp, clip)) {
|
525 | 093bc2cd | Avi Kivity | return;
|
526 | 093bc2cd | Avi Kivity | } |
527 | 093bc2cd | Avi Kivity | |
528 | 093bc2cd | Avi Kivity | clip = addrrange_intersection(tmp, clip); |
529 | 093bc2cd | Avi Kivity | |
530 | 093bc2cd | Avi Kivity | if (mr->alias) {
|
531 | 08dafab4 | Avi Kivity | int128_subfrom(&base, int128_make64(mr->alias->addr)); |
532 | 08dafab4 | Avi Kivity | int128_subfrom(&base, int128_make64(mr->alias_offset)); |
533 | fb1cd6f9 | Avi Kivity | render_memory_region(view, mr->alias, base, clip, readonly); |
534 | 093bc2cd | Avi Kivity | return;
|
535 | 093bc2cd | Avi Kivity | } |
536 | 093bc2cd | Avi Kivity | |
537 | 093bc2cd | Avi Kivity | /* Render subregions in priority order. */
|
538 | 093bc2cd | Avi Kivity | QTAILQ_FOREACH(subregion, &mr->subregions, subregions_link) { |
539 | fb1cd6f9 | Avi Kivity | render_memory_region(view, subregion, base, clip, readonly); |
540 | 093bc2cd | Avi Kivity | } |
541 | 093bc2cd | Avi Kivity | |
542 | 14a3c10a | Avi Kivity | if (!mr->terminates) {
|
543 | 093bc2cd | Avi Kivity | return;
|
544 | 093bc2cd | Avi Kivity | } |
545 | 093bc2cd | Avi Kivity | |
546 | 08dafab4 | Avi Kivity | offset_in_region = int128_get64(int128_sub(clip.start, base)); |
547 | 093bc2cd | Avi Kivity | base = clip.start; |
548 | 093bc2cd | Avi Kivity | remain = clip.size; |
549 | 093bc2cd | Avi Kivity | |
550 | 2eb74e1a | Peter Crosthwaite | fr.mr = mr; |
551 | 2eb74e1a | Peter Crosthwaite | fr.dirty_log_mask = mr->dirty_log_mask; |
552 | 2eb74e1a | Peter Crosthwaite | fr.romd_mode = mr->romd_mode; |
553 | 2eb74e1a | Peter Crosthwaite | fr.readonly = readonly; |
554 | 2eb74e1a | Peter Crosthwaite | |
555 | 093bc2cd | Avi Kivity | /* Render the region itself into any gaps left by the current view. */
|
556 | 08dafab4 | Avi Kivity | for (i = 0; i < view->nr && int128_nz(remain); ++i) { |
557 | 08dafab4 | Avi Kivity | if (int128_ge(base, addrrange_end(view->ranges[i].addr))) {
|
558 | 093bc2cd | Avi Kivity | continue;
|
559 | 093bc2cd | Avi Kivity | } |
560 | 08dafab4 | Avi Kivity | if (int128_lt(base, view->ranges[i].addr.start)) {
|
561 | 08dafab4 | Avi Kivity | now = int128_min(remain, |
562 | 08dafab4 | Avi Kivity | int128_sub(view->ranges[i].addr.start, base)); |
563 | 093bc2cd | Avi Kivity | fr.offset_in_region = offset_in_region; |
564 | 093bc2cd | Avi Kivity | fr.addr = addrrange_make(base, now); |
565 | 093bc2cd | Avi Kivity | flatview_insert(view, i, &fr); |
566 | 093bc2cd | Avi Kivity | ++i; |
567 | 08dafab4 | Avi Kivity | int128_addto(&base, now); |
568 | 08dafab4 | Avi Kivity | offset_in_region += int128_get64(now); |
569 | 08dafab4 | Avi Kivity | int128_subfrom(&remain, now); |
570 | 093bc2cd | Avi Kivity | } |
571 | d26a8cae | Avi Kivity | now = int128_sub(int128_min(int128_add(base, remain), |
572 | d26a8cae | Avi Kivity | addrrange_end(view->ranges[i].addr)), |
573 | d26a8cae | Avi Kivity | base); |
574 | d26a8cae | Avi Kivity | int128_addto(&base, now); |
575 | d26a8cae | Avi Kivity | offset_in_region += int128_get64(now); |
576 | d26a8cae | Avi Kivity | int128_subfrom(&remain, now); |
577 | 093bc2cd | Avi Kivity | } |
578 | 08dafab4 | Avi Kivity | if (int128_nz(remain)) {
|
579 | 093bc2cd | Avi Kivity | fr.offset_in_region = offset_in_region; |
580 | 093bc2cd | Avi Kivity | fr.addr = addrrange_make(base, remain); |
581 | 093bc2cd | Avi Kivity | flatview_insert(view, i, &fr); |
582 | 093bc2cd | Avi Kivity | } |
583 | 093bc2cd | Avi Kivity | } |
584 | 093bc2cd | Avi Kivity | |
585 | 093bc2cd | Avi Kivity | /* Render a memory topology into a list of disjoint absolute ranges. */
|
586 | a9a0c06d | Paolo Bonzini | static FlatView *generate_memory_topology(MemoryRegion *mr)
|
587 | 093bc2cd | Avi Kivity | { |
588 | a9a0c06d | Paolo Bonzini | FlatView *view; |
589 | 093bc2cd | Avi Kivity | |
590 | a9a0c06d | Paolo Bonzini | view = g_new(FlatView, 1);
|
591 | a9a0c06d | Paolo Bonzini | flatview_init(view); |
592 | 093bc2cd | Avi Kivity | |
593 | 83f3c251 | Avi Kivity | if (mr) {
|
594 | a9a0c06d | Paolo Bonzini | render_memory_region(view, mr, int128_zero(), |
595 | 83f3c251 | Avi Kivity | addrrange_make(int128_zero(), int128_2_64()), false);
|
596 | 83f3c251 | Avi Kivity | } |
597 | a9a0c06d | Paolo Bonzini | flatview_simplify(view); |
598 | 093bc2cd | Avi Kivity | |
599 | 093bc2cd | Avi Kivity | return view;
|
600 | 093bc2cd | Avi Kivity | } |
601 | 093bc2cd | Avi Kivity | |
602 | 3e9d69e7 | Avi Kivity | static void address_space_add_del_ioeventfds(AddressSpace *as, |
603 | 3e9d69e7 | Avi Kivity | MemoryRegionIoeventfd *fds_new, |
604 | 3e9d69e7 | Avi Kivity | unsigned fds_new_nb,
|
605 | 3e9d69e7 | Avi Kivity | MemoryRegionIoeventfd *fds_old, |
606 | 3e9d69e7 | Avi Kivity | unsigned fds_old_nb)
|
607 | 3e9d69e7 | Avi Kivity | { |
608 | 3e9d69e7 | Avi Kivity | unsigned iold, inew;
|
609 | 80a1ea37 | Avi Kivity | MemoryRegionIoeventfd *fd; |
610 | 80a1ea37 | Avi Kivity | MemoryRegionSection section; |
611 | 3e9d69e7 | Avi Kivity | |
612 | 3e9d69e7 | Avi Kivity | /* Generate a symmetric difference of the old and new fd sets, adding
|
613 | 3e9d69e7 | Avi Kivity | * and deleting as necessary.
|
614 | 3e9d69e7 | Avi Kivity | */
|
615 | 3e9d69e7 | Avi Kivity | |
616 | 3e9d69e7 | Avi Kivity | iold = inew = 0;
|
617 | 3e9d69e7 | Avi Kivity | while (iold < fds_old_nb || inew < fds_new_nb) {
|
618 | 3e9d69e7 | Avi Kivity | if (iold < fds_old_nb
|
619 | 3e9d69e7 | Avi Kivity | && (inew == fds_new_nb |
620 | 3e9d69e7 | Avi Kivity | || memory_region_ioeventfd_before(fds_old[iold], |
621 | 3e9d69e7 | Avi Kivity | fds_new[inew]))) { |
622 | 80a1ea37 | Avi Kivity | fd = &fds_old[iold]; |
623 | 80a1ea37 | Avi Kivity | section = (MemoryRegionSection) { |
624 | f6790af6 | Avi Kivity | .address_space = as, |
625 | 80a1ea37 | Avi Kivity | .offset_within_address_space = int128_get64(fd->addr.start), |
626 | 052e87b0 | Paolo Bonzini | .size = fd->addr.size, |
627 | 80a1ea37 | Avi Kivity | }; |
628 | 80a1ea37 | Avi Kivity | MEMORY_LISTENER_CALL(eventfd_del, Forward, §ion, |
629 | 753d5e14 | Paolo Bonzini | fd->match_data, fd->data, fd->e); |
630 | 3e9d69e7 | Avi Kivity | ++iold; |
631 | 3e9d69e7 | Avi Kivity | } else if (inew < fds_new_nb |
632 | 3e9d69e7 | Avi Kivity | && (iold == fds_old_nb |
633 | 3e9d69e7 | Avi Kivity | || memory_region_ioeventfd_before(fds_new[inew], |
634 | 3e9d69e7 | Avi Kivity | fds_old[iold]))) { |
635 | 80a1ea37 | Avi Kivity | fd = &fds_new[inew]; |
636 | 80a1ea37 | Avi Kivity | section = (MemoryRegionSection) { |
637 | f6790af6 | Avi Kivity | .address_space = as, |
638 | 80a1ea37 | Avi Kivity | .offset_within_address_space = int128_get64(fd->addr.start), |
639 | 052e87b0 | Paolo Bonzini | .size = fd->addr.size, |
640 | 80a1ea37 | Avi Kivity | }; |
641 | 80a1ea37 | Avi Kivity | MEMORY_LISTENER_CALL(eventfd_add, Reverse, §ion, |
642 | 753d5e14 | Paolo Bonzini | fd->match_data, fd->data, fd->e); |
643 | 3e9d69e7 | Avi Kivity | ++inew; |
644 | 3e9d69e7 | Avi Kivity | } else {
|
645 | 3e9d69e7 | Avi Kivity | ++iold; |
646 | 3e9d69e7 | Avi Kivity | ++inew; |
647 | 3e9d69e7 | Avi Kivity | } |
648 | 3e9d69e7 | Avi Kivity | } |
649 | 3e9d69e7 | Avi Kivity | } |
650 | 3e9d69e7 | Avi Kivity | |
651 | 856d7245 | Paolo Bonzini | static FlatView *address_space_get_flatview(AddressSpace *as)
|
652 | 856d7245 | Paolo Bonzini | { |
653 | 856d7245 | Paolo Bonzini | FlatView *view; |
654 | 856d7245 | Paolo Bonzini | |
655 | 856d7245 | Paolo Bonzini | qemu_mutex_lock(&flat_view_mutex); |
656 | 856d7245 | Paolo Bonzini | view = as->current_map; |
657 | 856d7245 | Paolo Bonzini | flatview_ref(view); |
658 | 856d7245 | Paolo Bonzini | qemu_mutex_unlock(&flat_view_mutex); |
659 | 856d7245 | Paolo Bonzini | return view;
|
660 | 856d7245 | Paolo Bonzini | } |
661 | 856d7245 | Paolo Bonzini | |
662 | 3e9d69e7 | Avi Kivity | static void address_space_update_ioeventfds(AddressSpace *as) |
663 | 3e9d69e7 | Avi Kivity | { |
664 | 99e86347 | Paolo Bonzini | FlatView *view; |
665 | 3e9d69e7 | Avi Kivity | FlatRange *fr; |
666 | 3e9d69e7 | Avi Kivity | unsigned ioeventfd_nb = 0; |
667 | 3e9d69e7 | Avi Kivity | MemoryRegionIoeventfd *ioeventfds = NULL;
|
668 | 3e9d69e7 | Avi Kivity | AddrRange tmp; |
669 | 3e9d69e7 | Avi Kivity | unsigned i;
|
670 | 3e9d69e7 | Avi Kivity | |
671 | 856d7245 | Paolo Bonzini | view = address_space_get_flatview(as); |
672 | 99e86347 | Paolo Bonzini | FOR_EACH_FLAT_RANGE(fr, view) { |
673 | 3e9d69e7 | Avi Kivity | for (i = 0; i < fr->mr->ioeventfd_nb; ++i) { |
674 | 3e9d69e7 | Avi Kivity | tmp = addrrange_shift(fr->mr->ioeventfds[i].addr, |
675 | 08dafab4 | Avi Kivity | int128_sub(fr->addr.start, |
676 | 08dafab4 | Avi Kivity | int128_make64(fr->offset_in_region))); |
677 | 3e9d69e7 | Avi Kivity | if (addrrange_intersects(fr->addr, tmp)) {
|
678 | 3e9d69e7 | Avi Kivity | ++ioeventfd_nb; |
679 | 7267c094 | Anthony Liguori | ioeventfds = g_realloc(ioeventfds, |
680 | 3e9d69e7 | Avi Kivity | ioeventfd_nb * sizeof(*ioeventfds));
|
681 | 3e9d69e7 | Avi Kivity | ioeventfds[ioeventfd_nb-1] = fr->mr->ioeventfds[i];
|
682 | 3e9d69e7 | Avi Kivity | ioeventfds[ioeventfd_nb-1].addr = tmp;
|
683 | 3e9d69e7 | Avi Kivity | } |
684 | 3e9d69e7 | Avi Kivity | } |
685 | 3e9d69e7 | Avi Kivity | } |
686 | 3e9d69e7 | Avi Kivity | |
687 | 3e9d69e7 | Avi Kivity | address_space_add_del_ioeventfds(as, ioeventfds, ioeventfd_nb, |
688 | 3e9d69e7 | Avi Kivity | as->ioeventfds, as->ioeventfd_nb); |
689 | 3e9d69e7 | Avi Kivity | |
690 | 7267c094 | Anthony Liguori | g_free(as->ioeventfds); |
691 | 3e9d69e7 | Avi Kivity | as->ioeventfds = ioeventfds; |
692 | 3e9d69e7 | Avi Kivity | as->ioeventfd_nb = ioeventfd_nb; |
693 | 856d7245 | Paolo Bonzini | flatview_unref(view); |
694 | 3e9d69e7 | Avi Kivity | } |
695 | 3e9d69e7 | Avi Kivity | |
696 | b8af1afb | Avi Kivity | static void address_space_update_topology_pass(AddressSpace *as, |
697 | a9a0c06d | Paolo Bonzini | const FlatView *old_view,
|
698 | a9a0c06d | Paolo Bonzini | const FlatView *new_view,
|
699 | b8af1afb | Avi Kivity | bool adding)
|
700 | 093bc2cd | Avi Kivity | { |
701 | 093bc2cd | Avi Kivity | unsigned iold, inew;
|
702 | 093bc2cd | Avi Kivity | FlatRange *frold, *frnew; |
703 | 093bc2cd | Avi Kivity | |
704 | 093bc2cd | Avi Kivity | /* Generate a symmetric difference of the old and new memory maps.
|
705 | 093bc2cd | Avi Kivity | * Kill ranges in the old map, and instantiate ranges in the new map.
|
706 | 093bc2cd | Avi Kivity | */
|
707 | 093bc2cd | Avi Kivity | iold = inew = 0;
|
708 | a9a0c06d | Paolo Bonzini | while (iold < old_view->nr || inew < new_view->nr) {
|
709 | a9a0c06d | Paolo Bonzini | if (iold < old_view->nr) {
|
710 | a9a0c06d | Paolo Bonzini | frold = &old_view->ranges[iold]; |
711 | 093bc2cd | Avi Kivity | } else {
|
712 | 093bc2cd | Avi Kivity | frold = NULL;
|
713 | 093bc2cd | Avi Kivity | } |
714 | a9a0c06d | Paolo Bonzini | if (inew < new_view->nr) {
|
715 | a9a0c06d | Paolo Bonzini | frnew = &new_view->ranges[inew]; |
716 | 093bc2cd | Avi Kivity | } else {
|
717 | 093bc2cd | Avi Kivity | frnew = NULL;
|
718 | 093bc2cd | Avi Kivity | } |
719 | 093bc2cd | Avi Kivity | |
720 | 093bc2cd | Avi Kivity | if (frold
|
721 | 093bc2cd | Avi Kivity | && (!frnew |
722 | 08dafab4 | Avi Kivity | || int128_lt(frold->addr.start, frnew->addr.start) |
723 | 08dafab4 | Avi Kivity | || (int128_eq(frold->addr.start, frnew->addr.start) |
724 | 093bc2cd | Avi Kivity | && !flatrange_equal(frold, frnew)))) { |
725 | 41a6e477 | Peter Crosthwaite | /* In old but not in new, or in both but attributes changed. */
|
726 | 093bc2cd | Avi Kivity | |
727 | b8af1afb | Avi Kivity | if (!adding) {
|
728 | 72e22d2f | Avi Kivity | MEMORY_LISTENER_UPDATE_REGION(frold, as, Reverse, region_del); |
729 | b8af1afb | Avi Kivity | } |
730 | b8af1afb | Avi Kivity | |
731 | 093bc2cd | Avi Kivity | ++iold; |
732 | 093bc2cd | Avi Kivity | } else if (frold && frnew && flatrange_equal(frold, frnew)) { |
733 | 41a6e477 | Peter Crosthwaite | /* In both and unchanged (except logging may have changed) */
|
734 | 093bc2cd | Avi Kivity | |
735 | b8af1afb | Avi Kivity | if (adding) {
|
736 | 50c1e149 | Avi Kivity | MEMORY_LISTENER_UPDATE_REGION(frnew, as, Forward, region_nop); |
737 | b8af1afb | Avi Kivity | if (frold->dirty_log_mask && !frnew->dirty_log_mask) {
|
738 | 72e22d2f | Avi Kivity | MEMORY_LISTENER_UPDATE_REGION(frnew, as, Reverse, log_stop); |
739 | b8af1afb | Avi Kivity | } else if (frnew->dirty_log_mask && !frold->dirty_log_mask) { |
740 | 72e22d2f | Avi Kivity | MEMORY_LISTENER_UPDATE_REGION(frnew, as, Forward, log_start); |
741 | b8af1afb | Avi Kivity | } |
742 | 5a583347 | Avi Kivity | } |
743 | 5a583347 | Avi Kivity | |
744 | 093bc2cd | Avi Kivity | ++iold; |
745 | 093bc2cd | Avi Kivity | ++inew; |
746 | 093bc2cd | Avi Kivity | } else {
|
747 | 093bc2cd | Avi Kivity | /* In new */
|
748 | 093bc2cd | Avi Kivity | |
749 | b8af1afb | Avi Kivity | if (adding) {
|
750 | 72e22d2f | Avi Kivity | MEMORY_LISTENER_UPDATE_REGION(frnew, as, Forward, region_add); |
751 | b8af1afb | Avi Kivity | } |
752 | b8af1afb | Avi Kivity | |
753 | 093bc2cd | Avi Kivity | ++inew; |
754 | 093bc2cd | Avi Kivity | } |
755 | 093bc2cd | Avi Kivity | } |
756 | b8af1afb | Avi Kivity | } |
757 | b8af1afb | Avi Kivity | |
758 | b8af1afb | Avi Kivity | |
759 | b8af1afb | Avi Kivity | static void address_space_update_topology(AddressSpace *as) |
760 | b8af1afb | Avi Kivity | { |
761 | 856d7245 | Paolo Bonzini | FlatView *old_view = address_space_get_flatview(as); |
762 | a9a0c06d | Paolo Bonzini | FlatView *new_view = generate_memory_topology(as->root); |
763 | b8af1afb | Avi Kivity | |
764 | b8af1afb | Avi Kivity | address_space_update_topology_pass(as, old_view, new_view, false);
|
765 | b8af1afb | Avi Kivity | address_space_update_topology_pass(as, old_view, new_view, true);
|
766 | b8af1afb | Avi Kivity | |
767 | 856d7245 | Paolo Bonzini | qemu_mutex_lock(&flat_view_mutex); |
768 | 856d7245 | Paolo Bonzini | flatview_unref(as->current_map); |
769 | a9a0c06d | Paolo Bonzini | as->current_map = new_view; |
770 | 856d7245 | Paolo Bonzini | qemu_mutex_unlock(&flat_view_mutex); |
771 | 856d7245 | Paolo Bonzini | |
772 | 856d7245 | Paolo Bonzini | /* Note that all the old MemoryRegions are still alive up to this
|
773 | 856d7245 | Paolo Bonzini | * point. This relieves most MemoryListeners from the need to
|
774 | 856d7245 | Paolo Bonzini | * ref/unref the MemoryRegions they get---unless they use them
|
775 | 856d7245 | Paolo Bonzini | * outside the iothread mutex, in which case precise reference
|
776 | 856d7245 | Paolo Bonzini | * counting is necessary.
|
777 | 856d7245 | Paolo Bonzini | */
|
778 | 856d7245 | Paolo Bonzini | flatview_unref(old_view); |
779 | 856d7245 | Paolo Bonzini | |
780 | 3e9d69e7 | Avi Kivity | address_space_update_ioeventfds(as); |
781 | 093bc2cd | Avi Kivity | } |
782 | 093bc2cd | Avi Kivity | |
783 | 4ef4db86 | Avi Kivity | void memory_region_transaction_begin(void) |
784 | 4ef4db86 | Avi Kivity | { |
785 | bb880ded | Jan Kiszka | qemu_flush_coalesced_mmio_buffer(); |
786 | 4ef4db86 | Avi Kivity | ++memory_region_transaction_depth; |
787 | 4ef4db86 | Avi Kivity | } |
788 | 4ef4db86 | Avi Kivity | |
789 | 4ef4db86 | Avi Kivity | void memory_region_transaction_commit(void) |
790 | 4ef4db86 | Avi Kivity | { |
791 | 0d673e36 | Avi Kivity | AddressSpace *as; |
792 | 0d673e36 | Avi Kivity | |
793 | 4ef4db86 | Avi Kivity | assert(memory_region_transaction_depth); |
794 | 4ef4db86 | Avi Kivity | --memory_region_transaction_depth; |
795 | 22bde714 | Jan Kiszka | if (!memory_region_transaction_depth && memory_region_update_pending) {
|
796 | 22bde714 | Jan Kiszka | memory_region_update_pending = false;
|
797 | 02e2b95f | Jan Kiszka | MEMORY_LISTENER_CALL_GLOBAL(begin, Forward); |
798 | 02e2b95f | Jan Kiszka | |
799 | 0d673e36 | Avi Kivity | QTAILQ_FOREACH(as, &address_spaces, address_spaces_link) { |
800 | 0d673e36 | Avi Kivity | address_space_update_topology(as); |
801 | 02e2b95f | Jan Kiszka | } |
802 | 02e2b95f | Jan Kiszka | |
803 | 02e2b95f | Jan Kiszka | MEMORY_LISTENER_CALL_GLOBAL(commit, Forward); |
804 | e87c099f | Avi Kivity | } |
805 | 4ef4db86 | Avi Kivity | } |
806 | 4ef4db86 | Avi Kivity | |
807 | 545e92e0 | Avi Kivity | static void memory_region_destructor_none(MemoryRegion *mr) |
808 | 545e92e0 | Avi Kivity | { |
809 | 545e92e0 | Avi Kivity | } |
810 | 545e92e0 | Avi Kivity | |
811 | 545e92e0 | Avi Kivity | static void memory_region_destructor_ram(MemoryRegion *mr) |
812 | 545e92e0 | Avi Kivity | { |
813 | 545e92e0 | Avi Kivity | qemu_ram_free(mr->ram_addr); |
814 | 545e92e0 | Avi Kivity | } |
815 | 545e92e0 | Avi Kivity | |
816 | dfde4e6e | Paolo Bonzini | static void memory_region_destructor_alias(MemoryRegion *mr) |
817 | dfde4e6e | Paolo Bonzini | { |
818 | dfde4e6e | Paolo Bonzini | memory_region_unref(mr->alias); |
819 | dfde4e6e | Paolo Bonzini | } |
820 | dfde4e6e | Paolo Bonzini | |
821 | 545e92e0 | Avi Kivity | static void memory_region_destructor_ram_from_ptr(MemoryRegion *mr) |
822 | 545e92e0 | Avi Kivity | { |
823 | 545e92e0 | Avi Kivity | qemu_ram_free_from_ptr(mr->ram_addr); |
824 | 545e92e0 | Avi Kivity | } |
825 | 545e92e0 | Avi Kivity | |
826 | d0a9b5bc | Avi Kivity | static void memory_region_destructor_rom_device(MemoryRegion *mr) |
827 | d0a9b5bc | Avi Kivity | { |
828 | d0a9b5bc | Avi Kivity | qemu_ram_free(mr->ram_addr & TARGET_PAGE_MASK); |
829 | d0a9b5bc | Avi Kivity | } |
830 | d0a9b5bc | Avi Kivity | |
831 | 093bc2cd | Avi Kivity | void memory_region_init(MemoryRegion *mr,
|
832 | 2c9b15ca | Paolo Bonzini | Object *owner, |
833 | 093bc2cd | Avi Kivity | const char *name, |
834 | 093bc2cd | Avi Kivity | uint64_t size) |
835 | 093bc2cd | Avi Kivity | { |
836 | 2cdfcf27 | Paolo Bonzini | mr->ops = &unassigned_mem_ops; |
837 | 2cdfcf27 | Paolo Bonzini | mr->opaque = NULL;
|
838 | 2c9b15ca | Paolo Bonzini | mr->owner = owner; |
839 | 30951157 | Avi Kivity | mr->iommu_ops = NULL;
|
840 | 093bc2cd | Avi Kivity | mr->parent = NULL;
|
841 | 08dafab4 | Avi Kivity | mr->size = int128_make64(size); |
842 | 08dafab4 | Avi Kivity | if (size == UINT64_MAX) {
|
843 | 08dafab4 | Avi Kivity | mr->size = int128_2_64(); |
844 | 08dafab4 | Avi Kivity | } |
845 | 093bc2cd | Avi Kivity | mr->addr = 0;
|
846 | b3b00c78 | Avi Kivity | mr->subpage = false;
|
847 | 6bba19ba | Avi Kivity | mr->enabled = true;
|
848 | 14a3c10a | Avi Kivity | mr->terminates = false;
|
849 | 8ea9252a | Avi Kivity | mr->ram = false;
|
850 | 5f9a5ea1 | Jan Kiszka | mr->romd_mode = true;
|
851 | fb1cd6f9 | Avi Kivity | mr->readonly = false;
|
852 | 75c578dc | Avi Kivity | mr->rom_device = false;
|
853 | 545e92e0 | Avi Kivity | mr->destructor = memory_region_destructor_none; |
854 | 093bc2cd | Avi Kivity | mr->priority = 0;
|
855 | 093bc2cd | Avi Kivity | mr->may_overlap = false;
|
856 | 093bc2cd | Avi Kivity | mr->alias = NULL;
|
857 | 093bc2cd | Avi Kivity | QTAILQ_INIT(&mr->subregions); |
858 | 093bc2cd | Avi Kivity | memset(&mr->subregions_link, 0, sizeof mr->subregions_link); |
859 | 093bc2cd | Avi Kivity | QTAILQ_INIT(&mr->coalesced); |
860 | 7267c094 | Anthony Liguori | mr->name = g_strdup(name); |
861 | 5a583347 | Avi Kivity | mr->dirty_log_mask = 0;
|
862 | 3e9d69e7 | Avi Kivity | mr->ioeventfd_nb = 0;
|
863 | 3e9d69e7 | Avi Kivity | mr->ioeventfds = NULL;
|
864 | d410515e | Jan Kiszka | mr->flush_coalesced_mmio = false;
|
865 | 093bc2cd | Avi Kivity | } |
866 | 093bc2cd | Avi Kivity | |
867 | b018ddf6 | Paolo Bonzini | static uint64_t unassigned_mem_read(void *opaque, hwaddr addr, |
868 | b018ddf6 | Paolo Bonzini | unsigned size)
|
869 | b018ddf6 | Paolo Bonzini | { |
870 | b018ddf6 | Paolo Bonzini | #ifdef DEBUG_UNASSIGNED
|
871 | b018ddf6 | Paolo Bonzini | printf("Unassigned mem read " TARGET_FMT_plx "\n", addr); |
872 | b018ddf6 | Paolo Bonzini | #endif
|
873 | 4917cf44 | Andreas Fรคrber | if (current_cpu != NULL) { |
874 | 4917cf44 | Andreas Fรคrber | cpu_unassigned_access(current_cpu, addr, false, false, 0, size); |
875 | c658b94f | Andreas Fรคrber | } |
876 | 68a7439a | Jan Kiszka | return 0; |
877 | b018ddf6 | Paolo Bonzini | } |
878 | b018ddf6 | Paolo Bonzini | |
879 | b018ddf6 | Paolo Bonzini | static void unassigned_mem_write(void *opaque, hwaddr addr, |
880 | b018ddf6 | Paolo Bonzini | uint64_t val, unsigned size)
|
881 | b018ddf6 | Paolo Bonzini | { |
882 | b018ddf6 | Paolo Bonzini | #ifdef DEBUG_UNASSIGNED
|
883 | b018ddf6 | Paolo Bonzini | printf("Unassigned mem write " TARGET_FMT_plx " = 0x%"PRIx64"\n", addr, val); |
884 | b018ddf6 | Paolo Bonzini | #endif
|
885 | 4917cf44 | Andreas Fรคrber | if (current_cpu != NULL) { |
886 | 4917cf44 | Andreas Fรคrber | cpu_unassigned_access(current_cpu, addr, true, false, 0, size); |
887 | c658b94f | Andreas Fรคrber | } |
888 | b018ddf6 | Paolo Bonzini | } |
889 | b018ddf6 | Paolo Bonzini | |
890 | d197063f | Paolo Bonzini | static bool unassigned_mem_accepts(void *opaque, hwaddr addr, |
891 | d197063f | Paolo Bonzini | unsigned size, bool is_write) |
892 | d197063f | Paolo Bonzini | { |
893 | d197063f | Paolo Bonzini | return false; |
894 | d197063f | Paolo Bonzini | } |
895 | d197063f | Paolo Bonzini | |
896 | d197063f | Paolo Bonzini | const MemoryRegionOps unassigned_mem_ops = {
|
897 | d197063f | Paolo Bonzini | .valid.accepts = unassigned_mem_accepts, |
898 | d197063f | Paolo Bonzini | .endianness = DEVICE_NATIVE_ENDIAN, |
899 | d197063f | Paolo Bonzini | }; |
900 | d197063f | Paolo Bonzini | |
901 | d2702032 | Paolo Bonzini | bool memory_region_access_valid(MemoryRegion *mr,
|
902 | d2702032 | Paolo Bonzini | hwaddr addr, |
903 | d2702032 | Paolo Bonzini | unsigned size,
|
904 | d2702032 | Paolo Bonzini | bool is_write)
|
905 | 093bc2cd | Avi Kivity | { |
906 | a014ed07 | Paolo Bonzini | int access_size_min, access_size_max;
|
907 | a014ed07 | Paolo Bonzini | int access_size, i;
|
908 | 897fa7cf | Avi Kivity | |
909 | 093bc2cd | Avi Kivity | if (!mr->ops->valid.unaligned && (addr & (size - 1))) { |
910 | 093bc2cd | Avi Kivity | return false; |
911 | 093bc2cd | Avi Kivity | } |
912 | 093bc2cd | Avi Kivity | |
913 | a014ed07 | Paolo Bonzini | if (!mr->ops->valid.accepts) {
|
914 | 093bc2cd | Avi Kivity | return true; |
915 | 093bc2cd | Avi Kivity | } |
916 | 093bc2cd | Avi Kivity | |
917 | a014ed07 | Paolo Bonzini | access_size_min = mr->ops->valid.min_access_size; |
918 | a014ed07 | Paolo Bonzini | if (!mr->ops->valid.min_access_size) {
|
919 | a014ed07 | Paolo Bonzini | access_size_min = 1;
|
920 | a014ed07 | Paolo Bonzini | } |
921 | a014ed07 | Paolo Bonzini | |
922 | a014ed07 | Paolo Bonzini | access_size_max = mr->ops->valid.max_access_size; |
923 | a014ed07 | Paolo Bonzini | if (!mr->ops->valid.max_access_size) {
|
924 | a014ed07 | Paolo Bonzini | access_size_max = 4;
|
925 | a014ed07 | Paolo Bonzini | } |
926 | a014ed07 | Paolo Bonzini | |
927 | a014ed07 | Paolo Bonzini | access_size = MAX(MIN(size, access_size_max), access_size_min); |
928 | a014ed07 | Paolo Bonzini | for (i = 0; i < size; i += access_size) { |
929 | a014ed07 | Paolo Bonzini | if (!mr->ops->valid.accepts(mr->opaque, addr + i, access_size,
|
930 | a014ed07 | Paolo Bonzini | is_write)) { |
931 | a014ed07 | Paolo Bonzini | return false; |
932 | a014ed07 | Paolo Bonzini | } |
933 | 093bc2cd | Avi Kivity | } |
934 | a014ed07 | Paolo Bonzini | |
935 | 093bc2cd | Avi Kivity | return true; |
936 | 093bc2cd | Avi Kivity | } |
937 | 093bc2cd | Avi Kivity | |
938 | a621f38d | Avi Kivity | static uint64_t memory_region_dispatch_read1(MemoryRegion *mr,
|
939 | a8170e5e | Avi Kivity | hwaddr addr, |
940 | a621f38d | Avi Kivity | unsigned size)
|
941 | 093bc2cd | Avi Kivity | { |
942 | 164a4dcd | Avi Kivity | uint64_t data = 0;
|
943 | 093bc2cd | Avi Kivity | |
944 | ce5d2f33 | Paolo Bonzini | if (mr->ops->read) {
|
945 | ce5d2f33 | Paolo Bonzini | access_with_adjusted_size(addr, &data, size, |
946 | ce5d2f33 | Paolo Bonzini | mr->ops->impl.min_access_size, |
947 | ce5d2f33 | Paolo Bonzini | mr->ops->impl.max_access_size, |
948 | ce5d2f33 | Paolo Bonzini | memory_region_read_accessor, mr); |
949 | ce5d2f33 | Paolo Bonzini | } else {
|
950 | ce5d2f33 | Paolo Bonzini | access_with_adjusted_size(addr, &data, size, 1, 4, |
951 | ce5d2f33 | Paolo Bonzini | memory_region_oldmmio_read_accessor, mr); |
952 | 74901c3b | Avi Kivity | } |
953 | 74901c3b | Avi Kivity | |
954 | 093bc2cd | Avi Kivity | return data;
|
955 | 093bc2cd | Avi Kivity | } |
956 | 093bc2cd | Avi Kivity | |
957 | 791af8c8 | Paolo Bonzini | static bool memory_region_dispatch_read(MemoryRegion *mr, |
958 | 791af8c8 | Paolo Bonzini | hwaddr addr, |
959 | 791af8c8 | Paolo Bonzini | uint64_t *pval, |
960 | 791af8c8 | Paolo Bonzini | unsigned size)
|
961 | a621f38d | Avi Kivity | { |
962 | 791af8c8 | Paolo Bonzini | if (!memory_region_access_valid(mr, addr, size, false)) { |
963 | 791af8c8 | Paolo Bonzini | *pval = unassigned_mem_read(mr, addr, size); |
964 | 791af8c8 | Paolo Bonzini | return true; |
965 | 791af8c8 | Paolo Bonzini | } |
966 | a621f38d | Avi Kivity | |
967 | 791af8c8 | Paolo Bonzini | *pval = memory_region_dispatch_read1(mr, addr, size); |
968 | 791af8c8 | Paolo Bonzini | adjust_endianness(mr, pval, size); |
969 | 791af8c8 | Paolo Bonzini | return false; |
970 | a621f38d | Avi Kivity | } |
971 | 093bc2cd | Avi Kivity | |
972 | 791af8c8 | Paolo Bonzini | static bool memory_region_dispatch_write(MemoryRegion *mr, |
973 | a8170e5e | Avi Kivity | hwaddr addr, |
974 | a621f38d | Avi Kivity | uint64_t data, |
975 | a621f38d | Avi Kivity | unsigned size)
|
976 | a621f38d | Avi Kivity | { |
977 | 897fa7cf | Avi Kivity | if (!memory_region_access_valid(mr, addr, size, true)) { |
978 | b018ddf6 | Paolo Bonzini | unassigned_mem_write(mr, addr, data, size); |
979 | 791af8c8 | Paolo Bonzini | return true; |
980 | 093bc2cd | Avi Kivity | } |
981 | 093bc2cd | Avi Kivity | |
982 | a621f38d | Avi Kivity | adjust_endianness(mr, &data, size); |
983 | a621f38d | Avi Kivity | |
984 | ce5d2f33 | Paolo Bonzini | if (mr->ops->write) {
|
985 | ce5d2f33 | Paolo Bonzini | access_with_adjusted_size(addr, &data, size, |
986 | ce5d2f33 | Paolo Bonzini | mr->ops->impl.min_access_size, |
987 | ce5d2f33 | Paolo Bonzini | mr->ops->impl.max_access_size, |
988 | ce5d2f33 | Paolo Bonzini | memory_region_write_accessor, mr); |
989 | ce5d2f33 | Paolo Bonzini | } else {
|
990 | ce5d2f33 | Paolo Bonzini | access_with_adjusted_size(addr, &data, size, 1, 4, |
991 | ce5d2f33 | Paolo Bonzini | memory_region_oldmmio_write_accessor, mr); |
992 | 74901c3b | Avi Kivity | } |
993 | 791af8c8 | Paolo Bonzini | return false; |
994 | 093bc2cd | Avi Kivity | } |
995 | 093bc2cd | Avi Kivity | |
996 | 093bc2cd | Avi Kivity | void memory_region_init_io(MemoryRegion *mr,
|
997 | 2c9b15ca | Paolo Bonzini | Object *owner, |
998 | 093bc2cd | Avi Kivity | const MemoryRegionOps *ops,
|
999 | 093bc2cd | Avi Kivity | void *opaque,
|
1000 | 093bc2cd | Avi Kivity | const char *name, |
1001 | 093bc2cd | Avi Kivity | uint64_t size) |
1002 | 093bc2cd | Avi Kivity | { |
1003 | 2c9b15ca | Paolo Bonzini | memory_region_init(mr, owner, name, size); |
1004 | 093bc2cd | Avi Kivity | mr->ops = ops; |
1005 | 093bc2cd | Avi Kivity | mr->opaque = opaque; |
1006 | 14a3c10a | Avi Kivity | mr->terminates = true;
|
1007 | 97161e17 | Avi Kivity | mr->ram_addr = ~(ram_addr_t)0;
|
1008 | 093bc2cd | Avi Kivity | } |
1009 | 093bc2cd | Avi Kivity | |
1010 | 093bc2cd | Avi Kivity | void memory_region_init_ram(MemoryRegion *mr,
|
1011 | 2c9b15ca | Paolo Bonzini | Object *owner, |
1012 | 093bc2cd | Avi Kivity | const char *name, |
1013 | 093bc2cd | Avi Kivity | uint64_t size) |
1014 | 093bc2cd | Avi Kivity | { |
1015 | 2c9b15ca | Paolo Bonzini | memory_region_init(mr, owner, name, size); |
1016 | 8ea9252a | Avi Kivity | mr->ram = true;
|
1017 | 14a3c10a | Avi Kivity | mr->terminates = true;
|
1018 | 545e92e0 | Avi Kivity | mr->destructor = memory_region_destructor_ram; |
1019 | c5705a77 | Avi Kivity | mr->ram_addr = qemu_ram_alloc(size, mr); |
1020 | 093bc2cd | Avi Kivity | } |
1021 | 093bc2cd | Avi Kivity | |
1022 | 093bc2cd | Avi Kivity | void memory_region_init_ram_ptr(MemoryRegion *mr,
|
1023 | 2c9b15ca | Paolo Bonzini | Object *owner, |
1024 | 093bc2cd | Avi Kivity | const char *name, |
1025 | 093bc2cd | Avi Kivity | uint64_t size, |
1026 | 093bc2cd | Avi Kivity | void *ptr)
|
1027 | 093bc2cd | Avi Kivity | { |
1028 | 2c9b15ca | Paolo Bonzini | memory_region_init(mr, owner, name, size); |
1029 | 8ea9252a | Avi Kivity | mr->ram = true;
|
1030 | 14a3c10a | Avi Kivity | mr->terminates = true;
|
1031 | 545e92e0 | Avi Kivity | mr->destructor = memory_region_destructor_ram_from_ptr; |
1032 | c5705a77 | Avi Kivity | mr->ram_addr = qemu_ram_alloc_from_ptr(size, ptr, mr); |
1033 | 093bc2cd | Avi Kivity | } |
1034 | 093bc2cd | Avi Kivity | |
1035 | 093bc2cd | Avi Kivity | void memory_region_init_alias(MemoryRegion *mr,
|
1036 | 2c9b15ca | Paolo Bonzini | Object *owner, |
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 | 2c9b15ca | Paolo Bonzini | memory_region_init(mr, owner, name, size); |
1043 | dfde4e6e | Paolo Bonzini | memory_region_ref(orig); |
1044 | dfde4e6e | Paolo Bonzini | mr->destructor = memory_region_destructor_alias; |
1045 | 093bc2cd | Avi Kivity | mr->alias = orig; |
1046 | 093bc2cd | Avi Kivity | mr->alias_offset = offset; |
1047 | 093bc2cd | Avi Kivity | } |
1048 | 093bc2cd | Avi Kivity | |
1049 | d0a9b5bc | Avi Kivity | void memory_region_init_rom_device(MemoryRegion *mr,
|
1050 | 2c9b15ca | Paolo Bonzini | Object *owner, |
1051 | d0a9b5bc | Avi Kivity | const MemoryRegionOps *ops,
|
1052 | 75f5941c | Avi Kivity | void *opaque,
|
1053 | d0a9b5bc | Avi Kivity | const char *name, |
1054 | d0a9b5bc | Avi Kivity | uint64_t size) |
1055 | d0a9b5bc | Avi Kivity | { |
1056 | 2c9b15ca | Paolo Bonzini | memory_region_init(mr, owner, name, size); |
1057 | 7bc2b9cd | Avi Kivity | mr->ops = ops; |
1058 | 75f5941c | Avi Kivity | mr->opaque = opaque; |
1059 | d0a9b5bc | Avi Kivity | mr->terminates = true;
|
1060 | 75c578dc | Avi Kivity | mr->rom_device = true;
|
1061 | d0a9b5bc | Avi Kivity | mr->destructor = memory_region_destructor_rom_device; |
1062 | c5705a77 | Avi Kivity | mr->ram_addr = qemu_ram_alloc(size, mr); |
1063 | d0a9b5bc | Avi Kivity | } |
1064 | d0a9b5bc | Avi Kivity | |
1065 | 30951157 | Avi Kivity | void memory_region_init_iommu(MemoryRegion *mr,
|
1066 | 2c9b15ca | Paolo Bonzini | Object *owner, |
1067 | 30951157 | Avi Kivity | const MemoryRegionIOMMUOps *ops,
|
1068 | 30951157 | Avi Kivity | const char *name, |
1069 | 30951157 | Avi Kivity | uint64_t size) |
1070 | 30951157 | Avi Kivity | { |
1071 | 2c9b15ca | Paolo Bonzini | memory_region_init(mr, owner, name, size); |
1072 | 30951157 | Avi Kivity | mr->iommu_ops = ops, |
1073 | 30951157 | Avi Kivity | mr->terminates = true; /* then re-forwards */ |
1074 | 06866575 | David Gibson | notifier_list_init(&mr->iommu_notify); |
1075 | 30951157 | Avi Kivity | } |
1076 | 30951157 | Avi Kivity | |
1077 | 1660e72d | Jan Kiszka | void memory_region_init_reservation(MemoryRegion *mr,
|
1078 | 2c9b15ca | Paolo Bonzini | Object *owner, |
1079 | 1660e72d | Jan Kiszka | const char *name, |
1080 | 1660e72d | Jan Kiszka | uint64_t size) |
1081 | 1660e72d | Jan Kiszka | { |
1082 | 2c9b15ca | Paolo Bonzini | memory_region_init_io(mr, owner, &unassigned_mem_ops, mr, name, size); |
1083 | 1660e72d | Jan Kiszka | } |
1084 | 1660e72d | Jan Kiszka | |
1085 | 093bc2cd | Avi Kivity | void memory_region_destroy(MemoryRegion *mr)
|
1086 | 093bc2cd | Avi Kivity | { |
1087 | 093bc2cd | Avi Kivity | assert(QTAILQ_EMPTY(&mr->subregions)); |
1088 | 2be0e25f | Avi Kivity | assert(memory_region_transaction_depth == 0);
|
1089 | 545e92e0 | Avi Kivity | mr->destructor(mr); |
1090 | 093bc2cd | Avi Kivity | memory_region_clear_coalescing(mr); |
1091 | 7267c094 | Anthony Liguori | g_free((char *)mr->name);
|
1092 | 7267c094 | Anthony Liguori | g_free(mr->ioeventfds); |
1093 | 093bc2cd | Avi Kivity | } |
1094 | 093bc2cd | Avi Kivity | |
1095 | 803c0816 | Paolo Bonzini | Object *memory_region_owner(MemoryRegion *mr) |
1096 | 803c0816 | Paolo Bonzini | { |
1097 | 803c0816 | Paolo Bonzini | return mr->owner;
|
1098 | 803c0816 | Paolo Bonzini | } |
1099 | 803c0816 | Paolo Bonzini | |
1100 | 46637be2 | Paolo Bonzini | void memory_region_ref(MemoryRegion *mr)
|
1101 | 46637be2 | Paolo Bonzini | { |
1102 | 46637be2 | Paolo Bonzini | if (mr && mr->owner) {
|
1103 | 46637be2 | Paolo Bonzini | object_ref(mr->owner); |
1104 | 46637be2 | Paolo Bonzini | } |
1105 | 46637be2 | Paolo Bonzini | } |
1106 | 46637be2 | Paolo Bonzini | |
1107 | 46637be2 | Paolo Bonzini | void memory_region_unref(MemoryRegion *mr)
|
1108 | 46637be2 | Paolo Bonzini | { |
1109 | 46637be2 | Paolo Bonzini | if (mr && mr->owner) {
|
1110 | 46637be2 | Paolo Bonzini | object_unref(mr->owner); |
1111 | 46637be2 | Paolo Bonzini | } |
1112 | 46637be2 | Paolo Bonzini | } |
1113 | 46637be2 | Paolo Bonzini | |
1114 | 093bc2cd | Avi Kivity | uint64_t memory_region_size(MemoryRegion *mr) |
1115 | 093bc2cd | Avi Kivity | { |
1116 | 08dafab4 | Avi Kivity | if (int128_eq(mr->size, int128_2_64())) {
|
1117 | 08dafab4 | Avi Kivity | return UINT64_MAX;
|
1118 | 08dafab4 | Avi Kivity | } |
1119 | 08dafab4 | Avi Kivity | return int128_get64(mr->size);
|
1120 | 093bc2cd | Avi Kivity | } |
1121 | 093bc2cd | Avi Kivity | |
1122 | 8991c79b | Avi Kivity | const char *memory_region_name(MemoryRegion *mr) |
1123 | 8991c79b | Avi Kivity | { |
1124 | 8991c79b | Avi Kivity | return mr->name;
|
1125 | 8991c79b | Avi Kivity | } |
1126 | 8991c79b | Avi Kivity | |
1127 | 8ea9252a | Avi Kivity | bool memory_region_is_ram(MemoryRegion *mr)
|
1128 | 8ea9252a | Avi Kivity | { |
1129 | 8ea9252a | Avi Kivity | return mr->ram;
|
1130 | 8ea9252a | Avi Kivity | } |
1131 | 8ea9252a | Avi Kivity | |
1132 | 55043ba3 | Avi Kivity | bool memory_region_is_logging(MemoryRegion *mr)
|
1133 | 55043ba3 | Avi Kivity | { |
1134 | 55043ba3 | Avi Kivity | return mr->dirty_log_mask;
|
1135 | 55043ba3 | Avi Kivity | } |
1136 | 55043ba3 | Avi Kivity | |
1137 | ce7923da | Avi Kivity | bool memory_region_is_rom(MemoryRegion *mr)
|
1138 | ce7923da | Avi Kivity | { |
1139 | ce7923da | Avi Kivity | return mr->ram && mr->readonly;
|
1140 | ce7923da | Avi Kivity | } |
1141 | ce7923da | Avi Kivity | |
1142 | 30951157 | Avi Kivity | bool memory_region_is_iommu(MemoryRegion *mr)
|
1143 | 30951157 | Avi Kivity | { |
1144 | 30951157 | Avi Kivity | return mr->iommu_ops;
|
1145 | 30951157 | Avi Kivity | } |
1146 | 30951157 | Avi Kivity | |
1147 | 06866575 | David Gibson | void memory_region_register_iommu_notifier(MemoryRegion *mr, Notifier *n)
|
1148 | 06866575 | David Gibson | { |
1149 | 06866575 | David Gibson | notifier_list_add(&mr->iommu_notify, n); |
1150 | 06866575 | David Gibson | } |
1151 | 06866575 | David Gibson | |
1152 | 06866575 | David Gibson | void memory_region_unregister_iommu_notifier(Notifier *n)
|
1153 | 06866575 | David Gibson | { |
1154 | 06866575 | David Gibson | notifier_remove(n); |
1155 | 06866575 | David Gibson | } |
1156 | 06866575 | David Gibson | |
1157 | 06866575 | David Gibson | void memory_region_notify_iommu(MemoryRegion *mr,
|
1158 | 06866575 | David Gibson | IOMMUTLBEntry entry) |
1159 | 06866575 | David Gibson | { |
1160 | 06866575 | David Gibson | assert(memory_region_is_iommu(mr)); |
1161 | 06866575 | David Gibson | notifier_list_notify(&mr->iommu_notify, &entry); |
1162 | 06866575 | David Gibson | } |
1163 | 06866575 | David Gibson | |
1164 | 093bc2cd | Avi Kivity | void memory_region_set_log(MemoryRegion *mr, bool log, unsigned client) |
1165 | 093bc2cd | Avi Kivity | { |
1166 | 5a583347 | Avi Kivity | uint8_t mask = 1 << client;
|
1167 | 5a583347 | Avi Kivity | |
1168 | 59023ef4 | Jan Kiszka | memory_region_transaction_begin(); |
1169 | 5a583347 | Avi Kivity | mr->dirty_log_mask = (mr->dirty_log_mask & ~mask) | (log * mask); |
1170 | 22bde714 | Jan Kiszka | memory_region_update_pending |= mr->enabled; |
1171 | 59023ef4 | Jan Kiszka | memory_region_transaction_commit(); |
1172 | 093bc2cd | Avi Kivity | } |
1173 | 093bc2cd | Avi Kivity | |
1174 | a8170e5e | Avi Kivity | bool memory_region_get_dirty(MemoryRegion *mr, hwaddr addr,
|
1175 | a8170e5e | Avi Kivity | hwaddr size, unsigned client)
|
1176 | 093bc2cd | Avi Kivity | { |
1177 | 14a3c10a | Avi Kivity | assert(mr->terminates); |
1178 | 52159192 | Juan Quintela | return cpu_physical_memory_get_dirty(mr->ram_addr + addr, size, client);
|
1179 | 093bc2cd | Avi Kivity | } |
1180 | 093bc2cd | Avi Kivity | |
1181 | a8170e5e | Avi Kivity | void memory_region_set_dirty(MemoryRegion *mr, hwaddr addr,
|
1182 | a8170e5e | Avi Kivity | hwaddr size) |
1183 | 093bc2cd | Avi Kivity | { |
1184 | 14a3c10a | Avi Kivity | assert(mr->terminates); |
1185 | 75218e7f | Juan Quintela | cpu_physical_memory_set_dirty_range(mr->ram_addr + addr, size); |
1186 | 093bc2cd | Avi Kivity | } |
1187 | 093bc2cd | Avi Kivity | |
1188 | 6c279db8 | Juan Quintela | bool memory_region_test_and_clear_dirty(MemoryRegion *mr, hwaddr addr,
|
1189 | 6c279db8 | Juan Quintela | hwaddr size, unsigned client)
|
1190 | 6c279db8 | Juan Quintela | { |
1191 | 6c279db8 | Juan Quintela | bool ret;
|
1192 | 6c279db8 | Juan Quintela | assert(mr->terminates); |
1193 | 52159192 | Juan Quintela | ret = cpu_physical_memory_get_dirty(mr->ram_addr + addr, size, client); |
1194 | 6c279db8 | Juan Quintela | if (ret) {
|
1195 | a2f4d5be | Juan Quintela | cpu_physical_memory_reset_dirty(mr->ram_addr + addr, size, client); |
1196 | 6c279db8 | Juan Quintela | } |
1197 | 6c279db8 | Juan Quintela | return ret;
|
1198 | 6c279db8 | Juan Quintela | } |
1199 | 6c279db8 | Juan Quintela | |
1200 | 6c279db8 | Juan Quintela | |
1201 | 093bc2cd | Avi Kivity | void memory_region_sync_dirty_bitmap(MemoryRegion *mr)
|
1202 | 093bc2cd | Avi Kivity | { |
1203 | 0d673e36 | Avi Kivity | AddressSpace *as; |
1204 | 5a583347 | Avi Kivity | FlatRange *fr; |
1205 | 5a583347 | Avi Kivity | |
1206 | 0d673e36 | Avi Kivity | QTAILQ_FOREACH(as, &address_spaces, address_spaces_link) { |
1207 | 856d7245 | Paolo Bonzini | FlatView *view = address_space_get_flatview(as); |
1208 | 99e86347 | Paolo Bonzini | FOR_EACH_FLAT_RANGE(fr, view) { |
1209 | 0d673e36 | Avi Kivity | if (fr->mr == mr) {
|
1210 | 0d673e36 | Avi Kivity | MEMORY_LISTENER_UPDATE_REGION(fr, as, Forward, log_sync); |
1211 | 0d673e36 | Avi Kivity | } |
1212 | 5a583347 | Avi Kivity | } |
1213 | 856d7245 | Paolo Bonzini | flatview_unref(view); |
1214 | 5a583347 | Avi Kivity | } |
1215 | 093bc2cd | Avi Kivity | } |
1216 | 093bc2cd | Avi Kivity | |
1217 | 093bc2cd | Avi Kivity | void memory_region_set_readonly(MemoryRegion *mr, bool readonly) |
1218 | 093bc2cd | Avi Kivity | { |
1219 | fb1cd6f9 | Avi Kivity | if (mr->readonly != readonly) {
|
1220 | 59023ef4 | Jan Kiszka | memory_region_transaction_begin(); |
1221 | fb1cd6f9 | Avi Kivity | mr->readonly = readonly; |
1222 | 22bde714 | Jan Kiszka | memory_region_update_pending |= mr->enabled; |
1223 | 59023ef4 | Jan Kiszka | memory_region_transaction_commit(); |
1224 | fb1cd6f9 | Avi Kivity | } |
1225 | 093bc2cd | Avi Kivity | } |
1226 | 093bc2cd | Avi Kivity | |
1227 | 5f9a5ea1 | Jan Kiszka | void memory_region_rom_device_set_romd(MemoryRegion *mr, bool romd_mode) |
1228 | d0a9b5bc | Avi Kivity | { |
1229 | 5f9a5ea1 | Jan Kiszka | if (mr->romd_mode != romd_mode) {
|
1230 | 59023ef4 | Jan Kiszka | memory_region_transaction_begin(); |
1231 | 5f9a5ea1 | Jan Kiszka | mr->romd_mode = romd_mode; |
1232 | 22bde714 | Jan Kiszka | memory_region_update_pending |= mr->enabled; |
1233 | 59023ef4 | Jan Kiszka | memory_region_transaction_commit(); |
1234 | d0a9b5bc | Avi Kivity | } |
1235 | d0a9b5bc | Avi Kivity | } |
1236 | d0a9b5bc | Avi Kivity | |
1237 | a8170e5e | Avi Kivity | void memory_region_reset_dirty(MemoryRegion *mr, hwaddr addr,
|
1238 | a8170e5e | Avi Kivity | hwaddr size, unsigned client)
|
1239 | 093bc2cd | Avi Kivity | { |
1240 | 14a3c10a | Avi Kivity | assert(mr->terminates); |
1241 | a2f4d5be | Juan Quintela | cpu_physical_memory_reset_dirty(mr->ram_addr + addr, size, client); |
1242 | 093bc2cd | Avi Kivity | } |
1243 | 093bc2cd | Avi Kivity | |
1244 | 093bc2cd | Avi Kivity | void *memory_region_get_ram_ptr(MemoryRegion *mr)
|
1245 | 093bc2cd | Avi Kivity | { |
1246 | 093bc2cd | Avi Kivity | if (mr->alias) {
|
1247 | 093bc2cd | Avi Kivity | return memory_region_get_ram_ptr(mr->alias) + mr->alias_offset;
|
1248 | 093bc2cd | Avi Kivity | } |
1249 | 093bc2cd | Avi Kivity | |
1250 | 14a3c10a | Avi Kivity | assert(mr->terminates); |
1251 | 093bc2cd | Avi Kivity | |
1252 | 021d26d1 | Jan Kiszka | return qemu_get_ram_ptr(mr->ram_addr & TARGET_PAGE_MASK);
|
1253 | 093bc2cd | Avi Kivity | } |
1254 | 093bc2cd | Avi Kivity | |
1255 | 0d673e36 | Avi Kivity | static void memory_region_update_coalesced_range_as(MemoryRegion *mr, AddressSpace *as) |
1256 | 093bc2cd | Avi Kivity | { |
1257 | 99e86347 | Paolo Bonzini | FlatView *view; |
1258 | 093bc2cd | Avi Kivity | FlatRange *fr; |
1259 | 093bc2cd | Avi Kivity | CoalescedMemoryRange *cmr; |
1260 | 093bc2cd | Avi Kivity | AddrRange tmp; |
1261 | 95d2994a | Avi Kivity | MemoryRegionSection section; |
1262 | 093bc2cd | Avi Kivity | |
1263 | 856d7245 | Paolo Bonzini | view = address_space_get_flatview(as); |
1264 | 99e86347 | Paolo Bonzini | FOR_EACH_FLAT_RANGE(fr, view) { |
1265 | 093bc2cd | Avi Kivity | if (fr->mr == mr) {
|
1266 | 95d2994a | Avi Kivity | section = (MemoryRegionSection) { |
1267 | f6790af6 | Avi Kivity | .address_space = as, |
1268 | 95d2994a | Avi Kivity | .offset_within_address_space = int128_get64(fr->addr.start), |
1269 | 052e87b0 | Paolo Bonzini | .size = fr->addr.size, |
1270 | 95d2994a | Avi Kivity | }; |
1271 | 95d2994a | Avi Kivity | |
1272 | 95d2994a | Avi Kivity | MEMORY_LISTENER_CALL(coalesced_mmio_del, Reverse, §ion, |
1273 | 95d2994a | Avi Kivity | int128_get64(fr->addr.start), |
1274 | 95d2994a | Avi Kivity | int128_get64(fr->addr.size)); |
1275 | 093bc2cd | Avi Kivity | QTAILQ_FOREACH(cmr, &mr->coalesced, link) { |
1276 | 093bc2cd | Avi Kivity | tmp = addrrange_shift(cmr->addr, |
1277 | 08dafab4 | Avi Kivity | int128_sub(fr->addr.start, |
1278 | 08dafab4 | Avi Kivity | int128_make64(fr->offset_in_region))); |
1279 | 093bc2cd | Avi Kivity | if (!addrrange_intersects(tmp, fr->addr)) {
|
1280 | 093bc2cd | Avi Kivity | continue;
|
1281 | 093bc2cd | Avi Kivity | } |
1282 | 093bc2cd | Avi Kivity | tmp = addrrange_intersection(tmp, fr->addr); |
1283 | 95d2994a | Avi Kivity | MEMORY_LISTENER_CALL(coalesced_mmio_add, Forward, §ion, |
1284 | 95d2994a | Avi Kivity | int128_get64(tmp.start), |
1285 | 95d2994a | Avi Kivity | int128_get64(tmp.size)); |
1286 | 093bc2cd | Avi Kivity | } |
1287 | 093bc2cd | Avi Kivity | } |
1288 | 093bc2cd | Avi Kivity | } |
1289 | 856d7245 | Paolo Bonzini | flatview_unref(view); |
1290 | 093bc2cd | Avi Kivity | } |
1291 | 093bc2cd | Avi Kivity | |
1292 | 0d673e36 | Avi Kivity | static void memory_region_update_coalesced_range(MemoryRegion *mr) |
1293 | 0d673e36 | Avi Kivity | { |
1294 | 0d673e36 | Avi Kivity | AddressSpace *as; |
1295 | 0d673e36 | Avi Kivity | |
1296 | 0d673e36 | Avi Kivity | QTAILQ_FOREACH(as, &address_spaces, address_spaces_link) { |
1297 | 0d673e36 | Avi Kivity | memory_region_update_coalesced_range_as(mr, as); |
1298 | 0d673e36 | Avi Kivity | } |
1299 | 0d673e36 | Avi Kivity | } |
1300 | 0d673e36 | Avi Kivity | |
1301 | 093bc2cd | Avi Kivity | void memory_region_set_coalescing(MemoryRegion *mr)
|
1302 | 093bc2cd | Avi Kivity | { |
1303 | 093bc2cd | Avi Kivity | memory_region_clear_coalescing(mr); |
1304 | 08dafab4 | Avi Kivity | memory_region_add_coalescing(mr, 0, int128_get64(mr->size));
|
1305 | 093bc2cd | Avi Kivity | } |
1306 | 093bc2cd | Avi Kivity | |
1307 | 093bc2cd | Avi Kivity | void memory_region_add_coalescing(MemoryRegion *mr,
|
1308 | a8170e5e | Avi Kivity | hwaddr offset, |
1309 | 093bc2cd | Avi Kivity | uint64_t size) |
1310 | 093bc2cd | Avi Kivity | { |
1311 | 7267c094 | Anthony Liguori | CoalescedMemoryRange *cmr = g_malloc(sizeof(*cmr));
|
1312 | 093bc2cd | Avi Kivity | |
1313 | 08dafab4 | Avi Kivity | cmr->addr = addrrange_make(int128_make64(offset), int128_make64(size)); |
1314 | 093bc2cd | Avi Kivity | QTAILQ_INSERT_TAIL(&mr->coalesced, cmr, link); |
1315 | 093bc2cd | Avi Kivity | memory_region_update_coalesced_range(mr); |
1316 | d410515e | Jan Kiszka | memory_region_set_flush_coalesced(mr); |
1317 | 093bc2cd | Avi Kivity | } |
1318 | 093bc2cd | Avi Kivity | |
1319 | 093bc2cd | Avi Kivity | void memory_region_clear_coalescing(MemoryRegion *mr)
|
1320 | 093bc2cd | Avi Kivity | { |
1321 | 093bc2cd | Avi Kivity | CoalescedMemoryRange *cmr; |
1322 | 093bc2cd | Avi Kivity | |
1323 | d410515e | Jan Kiszka | qemu_flush_coalesced_mmio_buffer(); |
1324 | d410515e | Jan Kiszka | mr->flush_coalesced_mmio = false;
|
1325 | d410515e | Jan Kiszka | |
1326 | 093bc2cd | Avi Kivity | while (!QTAILQ_EMPTY(&mr->coalesced)) {
|
1327 | 093bc2cd | Avi Kivity | cmr = QTAILQ_FIRST(&mr->coalesced); |
1328 | 093bc2cd | Avi Kivity | QTAILQ_REMOVE(&mr->coalesced, cmr, link); |
1329 | 7267c094 | Anthony Liguori | g_free(cmr); |
1330 | 093bc2cd | Avi Kivity | } |
1331 | 093bc2cd | Avi Kivity | memory_region_update_coalesced_range(mr); |
1332 | 093bc2cd | Avi Kivity | } |
1333 | 093bc2cd | Avi Kivity | |
1334 | d410515e | Jan Kiszka | void memory_region_set_flush_coalesced(MemoryRegion *mr)
|
1335 | d410515e | Jan Kiszka | { |
1336 | d410515e | Jan Kiszka | mr->flush_coalesced_mmio = true;
|
1337 | d410515e | Jan Kiszka | } |
1338 | d410515e | Jan Kiszka | |
1339 | d410515e | Jan Kiszka | void memory_region_clear_flush_coalesced(MemoryRegion *mr)
|
1340 | d410515e | Jan Kiszka | { |
1341 | d410515e | Jan Kiszka | qemu_flush_coalesced_mmio_buffer(); |
1342 | d410515e | Jan Kiszka | if (QTAILQ_EMPTY(&mr->coalesced)) {
|
1343 | d410515e | Jan Kiszka | mr->flush_coalesced_mmio = false;
|
1344 | d410515e | Jan Kiszka | } |
1345 | d410515e | Jan Kiszka | } |
1346 | d410515e | Jan Kiszka | |
1347 | 3e9d69e7 | Avi Kivity | void memory_region_add_eventfd(MemoryRegion *mr,
|
1348 | a8170e5e | Avi Kivity | hwaddr addr, |
1349 | 3e9d69e7 | Avi Kivity | unsigned size,
|
1350 | 3e9d69e7 | Avi Kivity | bool match_data,
|
1351 | 3e9d69e7 | Avi Kivity | uint64_t data, |
1352 | 753d5e14 | Paolo Bonzini | EventNotifier *e) |
1353 | 3e9d69e7 | Avi Kivity | { |
1354 | 3e9d69e7 | Avi Kivity | MemoryRegionIoeventfd mrfd = { |
1355 | 08dafab4 | Avi Kivity | .addr.start = int128_make64(addr), |
1356 | 08dafab4 | Avi Kivity | .addr.size = int128_make64(size), |
1357 | 3e9d69e7 | Avi Kivity | .match_data = match_data, |
1358 | 3e9d69e7 | Avi Kivity | .data = data, |
1359 | 753d5e14 | Paolo Bonzini | .e = e, |
1360 | 3e9d69e7 | Avi Kivity | }; |
1361 | 3e9d69e7 | Avi Kivity | unsigned i;
|
1362 | 3e9d69e7 | Avi Kivity | |
1363 | 28f362be | Alexander Graf | adjust_endianness(mr, &mrfd.data, size); |
1364 | 59023ef4 | Jan Kiszka | memory_region_transaction_begin(); |
1365 | 3e9d69e7 | Avi Kivity | for (i = 0; i < mr->ioeventfd_nb; ++i) { |
1366 | 3e9d69e7 | Avi Kivity | if (memory_region_ioeventfd_before(mrfd, mr->ioeventfds[i])) {
|
1367 | 3e9d69e7 | Avi Kivity | break;
|
1368 | 3e9d69e7 | Avi Kivity | } |
1369 | 3e9d69e7 | Avi Kivity | } |
1370 | 3e9d69e7 | Avi Kivity | ++mr->ioeventfd_nb; |
1371 | 7267c094 | Anthony Liguori | mr->ioeventfds = g_realloc(mr->ioeventfds, |
1372 | 3e9d69e7 | Avi Kivity | sizeof(*mr->ioeventfds) * mr->ioeventfd_nb);
|
1373 | 3e9d69e7 | Avi Kivity | memmove(&mr->ioeventfds[i+1], &mr->ioeventfds[i],
|
1374 | 3e9d69e7 | Avi Kivity | sizeof(*mr->ioeventfds) * (mr->ioeventfd_nb-1 - i)); |
1375 | 3e9d69e7 | Avi Kivity | mr->ioeventfds[i] = mrfd; |
1376 | 22bde714 | Jan Kiszka | memory_region_update_pending |= mr->enabled; |
1377 | 59023ef4 | Jan Kiszka | memory_region_transaction_commit(); |
1378 | 3e9d69e7 | Avi Kivity | } |
1379 | 3e9d69e7 | Avi Kivity | |
1380 | 3e9d69e7 | Avi Kivity | void memory_region_del_eventfd(MemoryRegion *mr,
|
1381 | a8170e5e | Avi Kivity | hwaddr addr, |
1382 | 3e9d69e7 | Avi Kivity | unsigned size,
|
1383 | 3e9d69e7 | Avi Kivity | bool match_data,
|
1384 | 3e9d69e7 | Avi Kivity | uint64_t data, |
1385 | 753d5e14 | Paolo Bonzini | EventNotifier *e) |
1386 | 3e9d69e7 | Avi Kivity | { |
1387 | 3e9d69e7 | Avi Kivity | MemoryRegionIoeventfd mrfd = { |
1388 | 08dafab4 | Avi Kivity | .addr.start = int128_make64(addr), |
1389 | 08dafab4 | Avi Kivity | .addr.size = int128_make64(size), |
1390 | 3e9d69e7 | Avi Kivity | .match_data = match_data, |
1391 | 3e9d69e7 | Avi Kivity | .data = data, |
1392 | 753d5e14 | Paolo Bonzini | .e = e, |
1393 | 3e9d69e7 | Avi Kivity | }; |
1394 | 3e9d69e7 | Avi Kivity | unsigned i;
|
1395 | 3e9d69e7 | Avi Kivity | |
1396 | 28f362be | Alexander Graf | adjust_endianness(mr, &mrfd.data, size); |
1397 | 59023ef4 | Jan Kiszka | memory_region_transaction_begin(); |
1398 | 3e9d69e7 | Avi Kivity | for (i = 0; i < mr->ioeventfd_nb; ++i) { |
1399 | 3e9d69e7 | Avi Kivity | if (memory_region_ioeventfd_equal(mrfd, mr->ioeventfds[i])) {
|
1400 | 3e9d69e7 | Avi Kivity | break;
|
1401 | 3e9d69e7 | Avi Kivity | } |
1402 | 3e9d69e7 | Avi Kivity | } |
1403 | 3e9d69e7 | Avi Kivity | assert(i != mr->ioeventfd_nb); |
1404 | 3e9d69e7 | Avi Kivity | memmove(&mr->ioeventfds[i], &mr->ioeventfds[i+1],
|
1405 | 3e9d69e7 | Avi Kivity | sizeof(*mr->ioeventfds) * (mr->ioeventfd_nb - (i+1))); |
1406 | 3e9d69e7 | Avi Kivity | --mr->ioeventfd_nb; |
1407 | 7267c094 | Anthony Liguori | mr->ioeventfds = g_realloc(mr->ioeventfds, |
1408 | 3e9d69e7 | Avi Kivity | sizeof(*mr->ioeventfds)*mr->ioeventfd_nb + 1); |
1409 | 22bde714 | Jan Kiszka | memory_region_update_pending |= mr->enabled; |
1410 | 59023ef4 | Jan Kiszka | memory_region_transaction_commit(); |
1411 | 3e9d69e7 | Avi Kivity | } |
1412 | 3e9d69e7 | Avi Kivity | |
1413 | 093bc2cd | Avi Kivity | static void memory_region_add_subregion_common(MemoryRegion *mr, |
1414 | a8170e5e | Avi Kivity | hwaddr offset, |
1415 | 093bc2cd | Avi Kivity | MemoryRegion *subregion) |
1416 | 093bc2cd | Avi Kivity | { |
1417 | 093bc2cd | Avi Kivity | MemoryRegion *other; |
1418 | 093bc2cd | Avi Kivity | |
1419 | 59023ef4 | Jan Kiszka | memory_region_transaction_begin(); |
1420 | 59023ef4 | Jan Kiszka | |
1421 | 093bc2cd | Avi Kivity | assert(!subregion->parent); |
1422 | dfde4e6e | Paolo Bonzini | memory_region_ref(subregion); |
1423 | 093bc2cd | Avi Kivity | subregion->parent = mr; |
1424 | 093bc2cd | Avi Kivity | subregion->addr = offset; |
1425 | 093bc2cd | Avi Kivity | QTAILQ_FOREACH(other, &mr->subregions, subregions_link) { |
1426 | 093bc2cd | Avi Kivity | if (subregion->may_overlap || other->may_overlap) {
|
1427 | 093bc2cd | Avi Kivity | continue;
|
1428 | 093bc2cd | Avi Kivity | } |
1429 | 2c7cfd65 | Hu Tao | if (int128_ge(int128_make64(offset),
|
1430 | 08dafab4 | Avi Kivity | int128_add(int128_make64(other->addr), other->size)) |
1431 | 08dafab4 | Avi Kivity | || int128_le(int128_add(int128_make64(offset), subregion->size), |
1432 | 08dafab4 | Avi Kivity | int128_make64(other->addr))) { |
1433 | 093bc2cd | Avi Kivity | continue;
|
1434 | 093bc2cd | Avi Kivity | } |
1435 | a5e1cbc8 | Anthony Liguori | #if 0
|
1436 | 860329b2 | Michael Walle | printf("warning: subregion collision %llx/%llx (%s) "
|
1437 | 860329b2 | Michael Walle | "vs %llx/%llx (%s)\n",
|
1438 | 093bc2cd | Avi Kivity | (unsigned long long)offset,
|
1439 | 08dafab4 | Avi Kivity | (unsigned long long)int128_get64(subregion->size),
|
1440 | 860329b2 | Michael Walle | subregion->name,
|
1441 | 860329b2 | Michael Walle | (unsigned long long)other->addr,
|
1442 | 08dafab4 | Avi Kivity | (unsigned long long)int128_get64(other->size),
|
1443 | 860329b2 | Michael Walle | other->name);
|
1444 | a5e1cbc8 | Anthony Liguori | #endif
|
1445 | 093bc2cd | Avi Kivity | } |
1446 | 093bc2cd | Avi Kivity | QTAILQ_FOREACH(other, &mr->subregions, subregions_link) { |
1447 | 093bc2cd | Avi Kivity | if (subregion->priority >= other->priority) {
|
1448 | 093bc2cd | Avi Kivity | QTAILQ_INSERT_BEFORE(other, subregion, subregions_link); |
1449 | 093bc2cd | Avi Kivity | goto done;
|
1450 | 093bc2cd | Avi Kivity | } |
1451 | 093bc2cd | Avi Kivity | } |
1452 | 093bc2cd | Avi Kivity | QTAILQ_INSERT_TAIL(&mr->subregions, subregion, subregions_link); |
1453 | 093bc2cd | Avi Kivity | done:
|
1454 | 22bde714 | Jan Kiszka | memory_region_update_pending |= mr->enabled && subregion->enabled; |
1455 | 59023ef4 | Jan Kiszka | memory_region_transaction_commit(); |
1456 | 093bc2cd | Avi Kivity | } |
1457 | 093bc2cd | Avi Kivity | |
1458 | 093bc2cd | Avi Kivity | |
1459 | 093bc2cd | Avi Kivity | void memory_region_add_subregion(MemoryRegion *mr,
|
1460 | a8170e5e | Avi Kivity | hwaddr offset, |
1461 | 093bc2cd | Avi Kivity | MemoryRegion *subregion) |
1462 | 093bc2cd | Avi Kivity | { |
1463 | 093bc2cd | Avi Kivity | subregion->may_overlap = false;
|
1464 | 093bc2cd | Avi Kivity | subregion->priority = 0;
|
1465 | 093bc2cd | Avi Kivity | memory_region_add_subregion_common(mr, offset, subregion); |
1466 | 093bc2cd | Avi Kivity | } |
1467 | 093bc2cd | Avi Kivity | |
1468 | 093bc2cd | Avi Kivity | void memory_region_add_subregion_overlap(MemoryRegion *mr,
|
1469 | a8170e5e | Avi Kivity | hwaddr offset, |
1470 | 093bc2cd | Avi Kivity | MemoryRegion *subregion, |
1471 | a1ff8ae0 | Marcel Apfelbaum | int priority)
|
1472 | 093bc2cd | Avi Kivity | { |
1473 | 093bc2cd | Avi Kivity | subregion->may_overlap = true;
|
1474 | 093bc2cd | Avi Kivity | subregion->priority = priority; |
1475 | 093bc2cd | Avi Kivity | memory_region_add_subregion_common(mr, offset, subregion); |
1476 | 093bc2cd | Avi Kivity | } |
1477 | 093bc2cd | Avi Kivity | |
1478 | 093bc2cd | Avi Kivity | void memory_region_del_subregion(MemoryRegion *mr,
|
1479 | 093bc2cd | Avi Kivity | MemoryRegion *subregion) |
1480 | 093bc2cd | Avi Kivity | { |
1481 | 59023ef4 | Jan Kiszka | memory_region_transaction_begin(); |
1482 | 093bc2cd | Avi Kivity | assert(subregion->parent == mr); |
1483 | 093bc2cd | Avi Kivity | subregion->parent = NULL;
|
1484 | 093bc2cd | Avi Kivity | QTAILQ_REMOVE(&mr->subregions, subregion, subregions_link); |
1485 | dfde4e6e | Paolo Bonzini | memory_region_unref(subregion); |
1486 | 22bde714 | Jan Kiszka | memory_region_update_pending |= mr->enabled && subregion->enabled; |
1487 | 59023ef4 | Jan Kiszka | memory_region_transaction_commit(); |
1488 | 6bba19ba | Avi Kivity | } |
1489 | 6bba19ba | Avi Kivity | |
1490 | 6bba19ba | Avi Kivity | void memory_region_set_enabled(MemoryRegion *mr, bool enabled) |
1491 | 6bba19ba | Avi Kivity | { |
1492 | 6bba19ba | Avi Kivity | if (enabled == mr->enabled) {
|
1493 | 6bba19ba | Avi Kivity | return;
|
1494 | 6bba19ba | Avi Kivity | } |
1495 | 59023ef4 | Jan Kiszka | memory_region_transaction_begin(); |
1496 | 6bba19ba | Avi Kivity | mr->enabled = enabled; |
1497 | 22bde714 | Jan Kiszka | memory_region_update_pending = true;
|
1498 | 59023ef4 | Jan Kiszka | memory_region_transaction_commit(); |
1499 | 093bc2cd | Avi Kivity | } |
1500 | 1c0ffa58 | Avi Kivity | |
1501 | a8170e5e | Avi Kivity | void memory_region_set_address(MemoryRegion *mr, hwaddr addr)
|
1502 | 2282e1af | Avi Kivity | { |
1503 | 2282e1af | Avi Kivity | MemoryRegion *parent = mr->parent; |
1504 | a1ff8ae0 | Marcel Apfelbaum | int priority = mr->priority;
|
1505 | 2282e1af | Avi Kivity | bool may_overlap = mr->may_overlap;
|
1506 | 2282e1af | Avi Kivity | |
1507 | 2282e1af | Avi Kivity | if (addr == mr->addr || !parent) {
|
1508 | 2282e1af | Avi Kivity | mr->addr = addr; |
1509 | 2282e1af | Avi Kivity | return;
|
1510 | 2282e1af | Avi Kivity | } |
1511 | 2282e1af | Avi Kivity | |
1512 | 2282e1af | Avi Kivity | memory_region_transaction_begin(); |
1513 | dfde4e6e | Paolo Bonzini | memory_region_ref(mr); |
1514 | 2282e1af | Avi Kivity | memory_region_del_subregion(parent, mr); |
1515 | 2282e1af | Avi Kivity | if (may_overlap) {
|
1516 | 2282e1af | Avi Kivity | memory_region_add_subregion_overlap(parent, addr, mr, priority); |
1517 | 2282e1af | Avi Kivity | } else {
|
1518 | 2282e1af | Avi Kivity | memory_region_add_subregion(parent, addr, mr); |
1519 | 2282e1af | Avi Kivity | } |
1520 | dfde4e6e | Paolo Bonzini | memory_region_unref(mr); |
1521 | 2282e1af | Avi Kivity | memory_region_transaction_commit(); |
1522 | 2282e1af | Avi Kivity | } |
1523 | 2282e1af | Avi Kivity | |
1524 | a8170e5e | Avi Kivity | void memory_region_set_alias_offset(MemoryRegion *mr, hwaddr offset)
|
1525 | 4703359e | Avi Kivity | { |
1526 | 4703359e | Avi Kivity | assert(mr->alias); |
1527 | 4703359e | Avi Kivity | |
1528 | 59023ef4 | Jan Kiszka | if (offset == mr->alias_offset) {
|
1529 | 4703359e | Avi Kivity | return;
|
1530 | 4703359e | Avi Kivity | } |
1531 | 4703359e | Avi Kivity | |
1532 | 59023ef4 | Jan Kiszka | memory_region_transaction_begin(); |
1533 | 59023ef4 | Jan Kiszka | mr->alias_offset = offset; |
1534 | 22bde714 | Jan Kiszka | memory_region_update_pending |= mr->enabled; |
1535 | 59023ef4 | Jan Kiszka | memory_region_transaction_commit(); |
1536 | 4703359e | Avi Kivity | } |
1537 | 4703359e | Avi Kivity | |
1538 | e34911c4 | Avi Kivity | ram_addr_t memory_region_get_ram_addr(MemoryRegion *mr) |
1539 | e34911c4 | Avi Kivity | { |
1540 | e34911c4 | Avi Kivity | return mr->ram_addr;
|
1541 | e34911c4 | Avi Kivity | } |
1542 | e34911c4 | Avi Kivity | |
1543 | e2177955 | Avi Kivity | static int cmp_flatrange_addr(const void *addr_, const void *fr_) |
1544 | e2177955 | Avi Kivity | { |
1545 | e2177955 | Avi Kivity | const AddrRange *addr = addr_;
|
1546 | e2177955 | Avi Kivity | const FlatRange *fr = fr_;
|
1547 | e2177955 | Avi Kivity | |
1548 | e2177955 | Avi Kivity | if (int128_le(addrrange_end(*addr), fr->addr.start)) {
|
1549 | e2177955 | Avi Kivity | return -1; |
1550 | e2177955 | Avi Kivity | } else if (int128_ge(addr->start, addrrange_end(fr->addr))) { |
1551 | e2177955 | Avi Kivity | return 1; |
1552 | e2177955 | Avi Kivity | } |
1553 | e2177955 | Avi Kivity | return 0; |
1554 | e2177955 | Avi Kivity | } |
1555 | e2177955 | Avi Kivity | |
1556 | 99e86347 | Paolo Bonzini | static FlatRange *flatview_lookup(FlatView *view, AddrRange addr)
|
1557 | e2177955 | Avi Kivity | { |
1558 | 99e86347 | Paolo Bonzini | return bsearch(&addr, view->ranges, view->nr,
|
1559 | e2177955 | Avi Kivity | sizeof(FlatRange), cmp_flatrange_addr);
|
1560 | e2177955 | Avi Kivity | } |
1561 | e2177955 | Avi Kivity | |
1562 | 3ce10901 | Paolo Bonzini | bool memory_region_present(MemoryRegion *parent, hwaddr addr)
|
1563 | 3ce10901 | Paolo Bonzini | { |
1564 | 3ce10901 | Paolo Bonzini | MemoryRegion *mr = memory_region_find(parent, addr, 1).mr;
|
1565 | 3ce10901 | Paolo Bonzini | if (!mr) {
|
1566 | 3ce10901 | Paolo Bonzini | return false; |
1567 | 3ce10901 | Paolo Bonzini | } |
1568 | dfde4e6e | Paolo Bonzini | memory_region_unref(mr); |
1569 | 3ce10901 | Paolo Bonzini | return true; |
1570 | 3ce10901 | Paolo Bonzini | } |
1571 | 3ce10901 | Paolo Bonzini | |
1572 | 73034e9e | Paolo Bonzini | MemoryRegionSection memory_region_find(MemoryRegion *mr, |
1573 | a8170e5e | Avi Kivity | hwaddr addr, uint64_t size) |
1574 | e2177955 | Avi Kivity | { |
1575 | 052e87b0 | Paolo Bonzini | MemoryRegionSection ret = { .mr = NULL };
|
1576 | 73034e9e | Paolo Bonzini | MemoryRegion *root; |
1577 | 73034e9e | Paolo Bonzini | AddressSpace *as; |
1578 | 73034e9e | Paolo Bonzini | AddrRange range; |
1579 | 99e86347 | Paolo Bonzini | FlatView *view; |
1580 | 73034e9e | Paolo Bonzini | FlatRange *fr; |
1581 | 73034e9e | Paolo Bonzini | |
1582 | 73034e9e | Paolo Bonzini | addr += mr->addr; |
1583 | 73034e9e | Paolo Bonzini | for (root = mr; root->parent; ) {
|
1584 | 73034e9e | Paolo Bonzini | root = root->parent; |
1585 | 73034e9e | Paolo Bonzini | addr += root->addr; |
1586 | 73034e9e | Paolo Bonzini | } |
1587 | e2177955 | Avi Kivity | |
1588 | 73034e9e | Paolo Bonzini | as = memory_region_to_address_space(root); |
1589 | 73034e9e | Paolo Bonzini | range = addrrange_make(int128_make64(addr), int128_make64(size)); |
1590 | 99e86347 | Paolo Bonzini | |
1591 | 856d7245 | Paolo Bonzini | view = address_space_get_flatview(as); |
1592 | 99e86347 | Paolo Bonzini | fr = flatview_lookup(view, range); |
1593 | e2177955 | Avi Kivity | if (!fr) {
|
1594 | 6307d974 | Marcel Apfelbaum | flatview_unref(view); |
1595 | e2177955 | Avi Kivity | return ret;
|
1596 | e2177955 | Avi Kivity | } |
1597 | e2177955 | Avi Kivity | |
1598 | 99e86347 | Paolo Bonzini | while (fr > view->ranges && addrrange_intersects(fr[-1].addr, range)) { |
1599 | e2177955 | Avi Kivity | --fr; |
1600 | e2177955 | Avi Kivity | } |
1601 | e2177955 | Avi Kivity | |
1602 | e2177955 | Avi Kivity | ret.mr = fr->mr; |
1603 | 73034e9e | Paolo Bonzini | ret.address_space = as; |
1604 | e2177955 | Avi Kivity | range = addrrange_intersection(range, fr->addr); |
1605 | e2177955 | Avi Kivity | ret.offset_within_region = fr->offset_in_region; |
1606 | e2177955 | Avi Kivity | ret.offset_within_region += int128_get64(int128_sub(range.start, |
1607 | e2177955 | Avi Kivity | fr->addr.start)); |
1608 | 052e87b0 | Paolo Bonzini | ret.size = range.size; |
1609 | e2177955 | Avi Kivity | ret.offset_within_address_space = int128_get64(range.start); |
1610 | 7a8499e8 | Avi Kivity | ret.readonly = fr->readonly; |
1611 | dfde4e6e | Paolo Bonzini | memory_region_ref(ret.mr); |
1612 | dfde4e6e | Paolo Bonzini | |
1613 | 856d7245 | Paolo Bonzini | flatview_unref(view); |
1614 | e2177955 | Avi Kivity | return ret;
|
1615 | e2177955 | Avi Kivity | } |
1616 | e2177955 | Avi Kivity | |
1617 | 1d671369 | Paolo Bonzini | void address_space_sync_dirty_bitmap(AddressSpace *as)
|
1618 | 86e775c6 | Avi Kivity | { |
1619 | 99e86347 | Paolo Bonzini | FlatView *view; |
1620 | 7664e80c | Avi Kivity | FlatRange *fr; |
1621 | 7664e80c | Avi Kivity | |
1622 | 856d7245 | Paolo Bonzini | view = address_space_get_flatview(as); |
1623 | 99e86347 | Paolo Bonzini | FOR_EACH_FLAT_RANGE(fr, view) { |
1624 | 72e22d2f | Avi Kivity | MEMORY_LISTENER_UPDATE_REGION(fr, as, Forward, log_sync); |
1625 | 7664e80c | Avi Kivity | } |
1626 | 856d7245 | Paolo Bonzini | flatview_unref(view); |
1627 | 7664e80c | Avi Kivity | } |
1628 | 7664e80c | Avi Kivity | |
1629 | 7664e80c | Avi Kivity | void memory_global_dirty_log_start(void) |
1630 | 7664e80c | Avi Kivity | { |
1631 | 7664e80c | Avi Kivity | global_dirty_log = true;
|
1632 | 7376e582 | Avi Kivity | MEMORY_LISTENER_CALL_GLOBAL(log_global_start, Forward); |
1633 | 7664e80c | Avi Kivity | } |
1634 | 7664e80c | Avi Kivity | |
1635 | 7664e80c | Avi Kivity | void memory_global_dirty_log_stop(void) |
1636 | 7664e80c | Avi Kivity | { |
1637 | 7664e80c | Avi Kivity | global_dirty_log = false;
|
1638 | 7376e582 | Avi Kivity | MEMORY_LISTENER_CALL_GLOBAL(log_global_stop, Reverse); |
1639 | 7664e80c | Avi Kivity | } |
1640 | 7664e80c | Avi Kivity | |
1641 | 7664e80c | Avi Kivity | static void listener_add_address_space(MemoryListener *listener, |
1642 | 7664e80c | Avi Kivity | AddressSpace *as) |
1643 | 7664e80c | Avi Kivity | { |
1644 | 99e86347 | Paolo Bonzini | FlatView *view; |
1645 | 7664e80c | Avi Kivity | FlatRange *fr; |
1646 | 7664e80c | Avi Kivity | |
1647 | 221b3a3f | Julien Grall | if (listener->address_space_filter
|
1648 | f6790af6 | Avi Kivity | && listener->address_space_filter != as) { |
1649 | 221b3a3f | Julien Grall | return;
|
1650 | 221b3a3f | Julien Grall | } |
1651 | 221b3a3f | Julien Grall | |
1652 | 7664e80c | Avi Kivity | if (global_dirty_log) {
|
1653 | 975aefe0 | Avi Kivity | if (listener->log_global_start) {
|
1654 | 975aefe0 | Avi Kivity | listener->log_global_start(listener); |
1655 | 975aefe0 | Avi Kivity | } |
1656 | 7664e80c | Avi Kivity | } |
1657 | 975aefe0 | Avi Kivity | |
1658 | 856d7245 | Paolo Bonzini | view = address_space_get_flatview(as); |
1659 | 99e86347 | Paolo Bonzini | FOR_EACH_FLAT_RANGE(fr, view) { |
1660 | 7664e80c | Avi Kivity | MemoryRegionSection section = { |
1661 | 7664e80c | Avi Kivity | .mr = fr->mr, |
1662 | f6790af6 | Avi Kivity | .address_space = as, |
1663 | 7664e80c | Avi Kivity | .offset_within_region = fr->offset_in_region, |
1664 | 052e87b0 | Paolo Bonzini | .size = fr->addr.size, |
1665 | 7664e80c | Avi Kivity | .offset_within_address_space = int128_get64(fr->addr.start), |
1666 | 7a8499e8 | Avi Kivity | .readonly = fr->readonly, |
1667 | 7664e80c | Avi Kivity | }; |
1668 | 975aefe0 | Avi Kivity | if (listener->region_add) {
|
1669 | 975aefe0 | Avi Kivity | listener->region_add(listener, §ion); |
1670 | 975aefe0 | Avi Kivity | } |
1671 | 7664e80c | Avi Kivity | } |
1672 | 856d7245 | Paolo Bonzini | flatview_unref(view); |
1673 | 7664e80c | Avi Kivity | } |
1674 | 7664e80c | Avi Kivity | |
1675 | f6790af6 | Avi Kivity | void memory_listener_register(MemoryListener *listener, AddressSpace *filter)
|
1676 | 7664e80c | Avi Kivity | { |
1677 | 72e22d2f | Avi Kivity | MemoryListener *other = NULL;
|
1678 | 0d673e36 | Avi Kivity | AddressSpace *as; |
1679 | 72e22d2f | Avi Kivity | |
1680 | 7376e582 | Avi Kivity | listener->address_space_filter = filter; |
1681 | 72e22d2f | Avi Kivity | if (QTAILQ_EMPTY(&memory_listeners)
|
1682 | 72e22d2f | Avi Kivity | || listener->priority >= QTAILQ_LAST(&memory_listeners, |
1683 | 72e22d2f | Avi Kivity | memory_listeners)->priority) { |
1684 | 72e22d2f | Avi Kivity | QTAILQ_INSERT_TAIL(&memory_listeners, listener, link); |
1685 | 72e22d2f | Avi Kivity | } else {
|
1686 | 72e22d2f | Avi Kivity | QTAILQ_FOREACH(other, &memory_listeners, link) { |
1687 | 72e22d2f | Avi Kivity | if (listener->priority < other->priority) {
|
1688 | 72e22d2f | Avi Kivity | break;
|
1689 | 72e22d2f | Avi Kivity | } |
1690 | 72e22d2f | Avi Kivity | } |
1691 | 72e22d2f | Avi Kivity | QTAILQ_INSERT_BEFORE(other, listener, link); |
1692 | 72e22d2f | Avi Kivity | } |
1693 | 0d673e36 | Avi Kivity | |
1694 | 0d673e36 | Avi Kivity | QTAILQ_FOREACH(as, &address_spaces, address_spaces_link) { |
1695 | 0d673e36 | Avi Kivity | listener_add_address_space(listener, as); |
1696 | 0d673e36 | Avi Kivity | } |
1697 | 7664e80c | Avi Kivity | } |
1698 | 7664e80c | Avi Kivity | |
1699 | 7664e80c | Avi Kivity | void memory_listener_unregister(MemoryListener *listener)
|
1700 | 7664e80c | Avi Kivity | { |
1701 | 72e22d2f | Avi Kivity | QTAILQ_REMOVE(&memory_listeners, listener, link); |
1702 | 86e775c6 | Avi Kivity | } |
1703 | e2177955 | Avi Kivity | |
1704 | 7dca8043 | Alexey Kardashevskiy | void address_space_init(AddressSpace *as, MemoryRegion *root, const char *name) |
1705 | 1c0ffa58 | Avi Kivity | { |
1706 | 856d7245 | Paolo Bonzini | if (QTAILQ_EMPTY(&address_spaces)) {
|
1707 | 856d7245 | Paolo Bonzini | memory_init(); |
1708 | 856d7245 | Paolo Bonzini | } |
1709 | 856d7245 | Paolo Bonzini | |
1710 | 59023ef4 | Jan Kiszka | memory_region_transaction_begin(); |
1711 | 8786db7c | Avi Kivity | as->root = root; |
1712 | 8786db7c | Avi Kivity | as->current_map = g_new(FlatView, 1);
|
1713 | 8786db7c | Avi Kivity | flatview_init(as->current_map); |
1714 | 4c19eb72 | Avi Kivity | as->ioeventfd_nb = 0;
|
1715 | 4c19eb72 | Avi Kivity | as->ioeventfds = NULL;
|
1716 | 0d673e36 | Avi Kivity | QTAILQ_INSERT_TAIL(&address_spaces, as, address_spaces_link); |
1717 | 7dca8043 | Alexey Kardashevskiy | as->name = g_strdup(name ? name : "anonymous");
|
1718 | ac1970fb | Avi Kivity | address_space_init_dispatch(as); |
1719 | f43793c7 | Paolo Bonzini | memory_region_update_pending |= root->enabled; |
1720 | f43793c7 | Paolo Bonzini | memory_region_transaction_commit(); |
1721 | 1c0ffa58 | Avi Kivity | } |
1722 | 658b2224 | Avi Kivity | |
1723 | 83f3c251 | Avi Kivity | void address_space_destroy(AddressSpace *as)
|
1724 | 83f3c251 | Avi Kivity | { |
1725 | 83f3c251 | Avi Kivity | /* Flush out anything from MemoryListeners listening in on this */
|
1726 | 83f3c251 | Avi Kivity | memory_region_transaction_begin(); |
1727 | 83f3c251 | Avi Kivity | as->root = NULL;
|
1728 | 83f3c251 | Avi Kivity | memory_region_transaction_commit(); |
1729 | 83f3c251 | Avi Kivity | QTAILQ_REMOVE(&address_spaces, as, address_spaces_link); |
1730 | 83f3c251 | Avi Kivity | address_space_destroy_dispatch(as); |
1731 | 856d7245 | Paolo Bonzini | flatview_unref(as->current_map); |
1732 | 7dca8043 | Alexey Kardashevskiy | g_free(as->name); |
1733 | 4c19eb72 | Avi Kivity | g_free(as->ioeventfds); |
1734 | 83f3c251 | Avi Kivity | } |
1735 | 83f3c251 | Avi Kivity | |
1736 | 791af8c8 | Paolo Bonzini | bool io_mem_read(MemoryRegion *mr, hwaddr addr, uint64_t *pval, unsigned size) |
1737 | acbbec5d | Avi Kivity | { |
1738 | 791af8c8 | Paolo Bonzini | return memory_region_dispatch_read(mr, addr, pval, size);
|
1739 | acbbec5d | Avi Kivity | } |
1740 | acbbec5d | Avi Kivity | |
1741 | 791af8c8 | Paolo Bonzini | bool io_mem_write(MemoryRegion *mr, hwaddr addr,
|
1742 | acbbec5d | Avi Kivity | uint64_t val, unsigned size)
|
1743 | acbbec5d | Avi Kivity | { |
1744 | 791af8c8 | Paolo Bonzini | return memory_region_dispatch_write(mr, addr, val, size);
|
1745 | acbbec5d | Avi Kivity | } |
1746 | acbbec5d | Avi Kivity | |
1747 | 314e2987 | Blue Swirl | typedef struct MemoryRegionList MemoryRegionList; |
1748 | 314e2987 | Blue Swirl | |
1749 | 314e2987 | Blue Swirl | struct MemoryRegionList {
|
1750 | 314e2987 | Blue Swirl | const MemoryRegion *mr;
|
1751 | 314e2987 | Blue Swirl | bool printed;
|
1752 | 314e2987 | Blue Swirl | QTAILQ_ENTRY(MemoryRegionList) queue; |
1753 | 314e2987 | Blue Swirl | }; |
1754 | 314e2987 | Blue Swirl | |
1755 | 314e2987 | Blue Swirl | typedef QTAILQ_HEAD(queue, MemoryRegionList) MemoryRegionListHead;
|
1756 | 314e2987 | Blue Swirl | |
1757 | 314e2987 | Blue Swirl | static void mtree_print_mr(fprintf_function mon_printf, void *f, |
1758 | 314e2987 | Blue Swirl | const MemoryRegion *mr, unsigned int level, |
1759 | a8170e5e | Avi Kivity | hwaddr base, |
1760 | 9479c57a | Jan Kiszka | MemoryRegionListHead *alias_print_queue) |
1761 | 314e2987 | Blue Swirl | { |
1762 | 9479c57a | Jan Kiszka | MemoryRegionList *new_ml, *ml, *next_ml; |
1763 | 9479c57a | Jan Kiszka | MemoryRegionListHead submr_print_queue; |
1764 | 314e2987 | Blue Swirl | const MemoryRegion *submr;
|
1765 | 314e2987 | Blue Swirl | unsigned int i; |
1766 | 314e2987 | Blue Swirl | |
1767 | 7ea692b2 | Jan Kiszka | if (!mr || !mr->enabled) {
|
1768 | 314e2987 | Blue Swirl | return;
|
1769 | 314e2987 | Blue Swirl | } |
1770 | 314e2987 | Blue Swirl | |
1771 | 314e2987 | Blue Swirl | for (i = 0; i < level; i++) { |
1772 | 314e2987 | Blue Swirl | mon_printf(f, " ");
|
1773 | 314e2987 | Blue Swirl | } |
1774 | 314e2987 | Blue Swirl | |
1775 | 314e2987 | Blue Swirl | if (mr->alias) {
|
1776 | 314e2987 | Blue Swirl | MemoryRegionList *ml; |
1777 | 314e2987 | Blue Swirl | bool found = false; |
1778 | 314e2987 | Blue Swirl | |
1779 | 314e2987 | Blue Swirl | /* check if the alias is already in the queue */
|
1780 | 9479c57a | Jan Kiszka | QTAILQ_FOREACH(ml, alias_print_queue, queue) { |
1781 | 314e2987 | Blue Swirl | if (ml->mr == mr->alias && !ml->printed) {
|
1782 | 314e2987 | Blue Swirl | found = true;
|
1783 | 314e2987 | Blue Swirl | } |
1784 | 314e2987 | Blue Swirl | } |
1785 | 314e2987 | Blue Swirl | |
1786 | 314e2987 | Blue Swirl | if (!found) {
|
1787 | 314e2987 | Blue Swirl | ml = g_new(MemoryRegionList, 1);
|
1788 | 314e2987 | Blue Swirl | ml->mr = mr->alias; |
1789 | 314e2987 | Blue Swirl | ml->printed = false;
|
1790 | 9479c57a | Jan Kiszka | QTAILQ_INSERT_TAIL(alias_print_queue, ml, queue); |
1791 | 314e2987 | Blue Swirl | } |
1792 | 4896d74b | Jan Kiszka | mon_printf(f, TARGET_FMT_plx "-" TARGET_FMT_plx
|
1793 | 4896d74b | Jan Kiszka | " (prio %d, %c%c): alias %s @%s " TARGET_FMT_plx
|
1794 | 4896d74b | Jan Kiszka | "-" TARGET_FMT_plx "\n", |
1795 | 314e2987 | Blue Swirl | base + mr->addr, |
1796 | 08dafab4 | Avi Kivity | base + mr->addr |
1797 | fd1d9926 | Alex Williamson | + (int128_nz(mr->size) ? |
1798 | fd1d9926 | Alex Williamson | (hwaddr)int128_get64(int128_sub(mr->size, |
1799 | fd1d9926 | Alex Williamson | int128_one())) : 0),
|
1800 | 4b474ba7 | Jan Kiszka | mr->priority, |
1801 | 5f9a5ea1 | Jan Kiszka | mr->romd_mode ? 'R' : '-', |
1802 | 5f9a5ea1 | Jan Kiszka | !mr->readonly && !(mr->rom_device && mr->romd_mode) ? 'W'
|
1803 | 5f9a5ea1 | Jan Kiszka | : '-',
|
1804 | 314e2987 | Blue Swirl | mr->name, |
1805 | 314e2987 | Blue Swirl | mr->alias->name, |
1806 | 314e2987 | Blue Swirl | mr->alias_offset, |
1807 | 08dafab4 | Avi Kivity | mr->alias_offset |
1808 | a66670c7 | Alexey Kardashevskiy | + (int128_nz(mr->size) ? |
1809 | a66670c7 | Alexey Kardashevskiy | (hwaddr)int128_get64(int128_sub(mr->size, |
1810 | a66670c7 | Alexey Kardashevskiy | int128_one())) : 0));
|
1811 | 314e2987 | Blue Swirl | } else {
|
1812 | 4896d74b | Jan Kiszka | mon_printf(f, |
1813 | 4896d74b | Jan Kiszka | TARGET_FMT_plx "-" TARGET_FMT_plx " (prio %d, %c%c): %s\n", |
1814 | 314e2987 | Blue Swirl | base + mr->addr, |
1815 | 08dafab4 | Avi Kivity | base + mr->addr |
1816 | fd1d9926 | Alex Williamson | + (int128_nz(mr->size) ? |
1817 | fd1d9926 | Alex Williamson | (hwaddr)int128_get64(int128_sub(mr->size, |
1818 | fd1d9926 | Alex Williamson | int128_one())) : 0),
|
1819 | 4b474ba7 | Jan Kiszka | mr->priority, |
1820 | 5f9a5ea1 | Jan Kiszka | mr->romd_mode ? 'R' : '-', |
1821 | 5f9a5ea1 | Jan Kiszka | !mr->readonly && !(mr->rom_device && mr->romd_mode) ? 'W'
|
1822 | 5f9a5ea1 | Jan Kiszka | : '-',
|
1823 | 314e2987 | Blue Swirl | mr->name); |
1824 | 314e2987 | Blue Swirl | } |
1825 | 9479c57a | Jan Kiszka | |
1826 | 9479c57a | Jan Kiszka | QTAILQ_INIT(&submr_print_queue); |
1827 | 9479c57a | Jan Kiszka | |
1828 | 314e2987 | Blue Swirl | QTAILQ_FOREACH(submr, &mr->subregions, subregions_link) { |
1829 | 9479c57a | Jan Kiszka | new_ml = g_new(MemoryRegionList, 1);
|
1830 | 9479c57a | Jan Kiszka | new_ml->mr = submr; |
1831 | 9479c57a | Jan Kiszka | QTAILQ_FOREACH(ml, &submr_print_queue, queue) { |
1832 | 9479c57a | Jan Kiszka | if (new_ml->mr->addr < ml->mr->addr ||
|
1833 | 9479c57a | Jan Kiszka | (new_ml->mr->addr == ml->mr->addr && |
1834 | 9479c57a | Jan Kiszka | new_ml->mr->priority > ml->mr->priority)) { |
1835 | 9479c57a | Jan Kiszka | QTAILQ_INSERT_BEFORE(ml, new_ml, queue); |
1836 | 9479c57a | Jan Kiszka | new_ml = NULL;
|
1837 | 9479c57a | Jan Kiszka | break;
|
1838 | 9479c57a | Jan Kiszka | } |
1839 | 9479c57a | Jan Kiszka | } |
1840 | 9479c57a | Jan Kiszka | if (new_ml) {
|
1841 | 9479c57a | Jan Kiszka | QTAILQ_INSERT_TAIL(&submr_print_queue, new_ml, queue); |
1842 | 9479c57a | Jan Kiszka | } |
1843 | 9479c57a | Jan Kiszka | } |
1844 | 9479c57a | Jan Kiszka | |
1845 | 9479c57a | Jan Kiszka | QTAILQ_FOREACH(ml, &submr_print_queue, queue) { |
1846 | 9479c57a | Jan Kiszka | mtree_print_mr(mon_printf, f, ml->mr, level + 1, base + mr->addr,
|
1847 | 9479c57a | Jan Kiszka | alias_print_queue); |
1848 | 9479c57a | Jan Kiszka | } |
1849 | 9479c57a | Jan Kiszka | |
1850 | 88365e47 | Avi Kivity | QTAILQ_FOREACH_SAFE(ml, &submr_print_queue, queue, next_ml) { |
1851 | 9479c57a | Jan Kiszka | g_free(ml); |
1852 | 314e2987 | Blue Swirl | } |
1853 | 314e2987 | Blue Swirl | } |
1854 | 314e2987 | Blue Swirl | |
1855 | 314e2987 | Blue Swirl | void mtree_info(fprintf_function mon_printf, void *f) |
1856 | 314e2987 | Blue Swirl | { |
1857 | 314e2987 | Blue Swirl | MemoryRegionListHead ml_head; |
1858 | 314e2987 | Blue Swirl | MemoryRegionList *ml, *ml2; |
1859 | 0d673e36 | Avi Kivity | AddressSpace *as; |
1860 | 314e2987 | Blue Swirl | |
1861 | 314e2987 | Blue Swirl | QTAILQ_INIT(&ml_head); |
1862 | 314e2987 | Blue Swirl | |
1863 | 0d673e36 | Avi Kivity | QTAILQ_FOREACH(as, &address_spaces, address_spaces_link) { |
1864 | 0d673e36 | Avi Kivity | mon_printf(f, "%s\n", as->name);
|
1865 | 0d673e36 | Avi Kivity | mtree_print_mr(mon_printf, f, as->root, 0, 0, &ml_head); |
1866 | b9f9be88 | Blue Swirl | } |
1867 | b9f9be88 | Blue Swirl | |
1868 | b9f9be88 | Blue Swirl | mon_printf(f, "aliases\n");
|
1869 | 314e2987 | Blue Swirl | /* print aliased regions */
|
1870 | 314e2987 | Blue Swirl | QTAILQ_FOREACH(ml, &ml_head, queue) { |
1871 | 314e2987 | Blue Swirl | if (!ml->printed) {
|
1872 | 314e2987 | Blue Swirl | mon_printf(f, "%s\n", ml->mr->name);
|
1873 | 314e2987 | Blue Swirl | mtree_print_mr(mon_printf, f, ml->mr, 0, 0, &ml_head); |
1874 | 314e2987 | Blue Swirl | } |
1875 | 314e2987 | Blue Swirl | } |
1876 | 314e2987 | Blue Swirl | |
1877 | 314e2987 | Blue Swirl | QTAILQ_FOREACH_SAFE(ml, &ml_head, queue, ml2) { |
1878 | 88365e47 | Avi Kivity | g_free(ml); |
1879 | 314e2987 | Blue Swirl | } |
1880 | 314e2987 | Blue Swirl | } |