Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 1 | /* |
| 2 | * Physical memory management |
| 3 | * |
| 4 | * Copyright 2011 Red Hat, Inc. and/or its affiliates |
| 5 | * |
| 6 | * Authors: |
| 7 | * Avi Kivity <avi@redhat.com> |
| 8 | * |
| 9 | * This work is licensed under the terms of the GNU GPL, version 2. See |
| 10 | * the COPYING file in the top-level directory. |
| 11 | * |
Paolo Bonzini | 6b620ca | 2012-01-13 17:44:23 +0100 | [diff] [blame] | 12 | * Contributions after 2012-01-13 are licensed under the terms of the |
| 13 | * GNU GPL, version 2 or (at your option) any later version. |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 14 | */ |
| 15 | |
| 16 | #include "memory.h" |
Avi Kivity | 1c0ffa5 | 2011-07-26 14:26:04 +0300 | [diff] [blame] | 17 | #include "exec-memory.h" |
Avi Kivity | 658b222 | 2011-07-26 14:26:08 +0300 | [diff] [blame] | 18 | #include "ioport.h" |
Avi Kivity | 74901c3 | 2011-07-26 14:26:10 +0300 | [diff] [blame] | 19 | #include "bitops.h" |
Avi Kivity | 3e9d69e | 2011-07-26 14:26:11 +0300 | [diff] [blame] | 20 | #include "kvm.h" |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 21 | #include <assert.h> |
| 22 | |
Avi Kivity | 7762c2c | 2012-09-20 16:02:51 +0300 | [diff] [blame] | 23 | #include "memory-internal.h" |
Avi Kivity | 67d95c1 | 2011-12-15 15:25:22 +0200 | [diff] [blame] | 24 | |
Avi Kivity | 4ef4db8 | 2011-07-26 14:26:13 +0300 | [diff] [blame] | 25 | unsigned memory_region_transaction_depth = 0; |
Avi Kivity | 7664e80 | 2011-12-11 14:47:25 +0200 | [diff] [blame] | 26 | static bool global_dirty_log = false; |
| 27 | |
Avi Kivity | 72e22d2 | 2012-02-08 15:05:50 +0200 | [diff] [blame] | 28 | static QTAILQ_HEAD(memory_listeners, MemoryListener) memory_listeners |
| 29 | = QTAILQ_HEAD_INITIALIZER(memory_listeners); |
Avi Kivity | 4ef4db8 | 2011-07-26 14:26:13 +0300 | [diff] [blame] | 30 | |
Avi Kivity | 0d673e3 | 2012-10-02 15:28:50 +0200 | [diff] [blame] | 31 | static QTAILQ_HEAD(, AddressSpace) address_spaces |
| 32 | = QTAILQ_HEAD_INITIALIZER(address_spaces); |
| 33 | |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 34 | typedef struct AddrRange AddrRange; |
| 35 | |
Avi Kivity | 8417ceb | 2011-08-03 11:56:14 +0300 | [diff] [blame] | 36 | /* |
| 37 | * Note using signed integers limits us to physical addresses at most |
| 38 | * 63 bits wide. They are needed for negative offsetting in aliases |
| 39 | * (large MemoryRegion::alias_offset). |
| 40 | */ |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 41 | struct AddrRange { |
Avi Kivity | 08dafab | 2011-10-16 13:19:17 +0200 | [diff] [blame] | 42 | Int128 start; |
| 43 | Int128 size; |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 44 | }; |
| 45 | |
Avi Kivity | 08dafab | 2011-10-16 13:19:17 +0200 | [diff] [blame] | 46 | static AddrRange addrrange_make(Int128 start, Int128 size) |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 47 | { |
| 48 | return (AddrRange) { start, size }; |
| 49 | } |
| 50 | |
| 51 | static bool addrrange_equal(AddrRange r1, AddrRange r2) |
| 52 | { |
Avi Kivity | 08dafab | 2011-10-16 13:19:17 +0200 | [diff] [blame] | 53 | return int128_eq(r1.start, r2.start) && int128_eq(r1.size, r2.size); |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 54 | } |
| 55 | |
Avi Kivity | 08dafab | 2011-10-16 13:19:17 +0200 | [diff] [blame] | 56 | static Int128 addrrange_end(AddrRange r) |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 57 | { |
Avi Kivity | 08dafab | 2011-10-16 13:19:17 +0200 | [diff] [blame] | 58 | return int128_add(r.start, r.size); |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 59 | } |
| 60 | |
Avi Kivity | 08dafab | 2011-10-16 13:19:17 +0200 | [diff] [blame] | 61 | static AddrRange addrrange_shift(AddrRange range, Int128 delta) |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 62 | { |
Avi Kivity | 08dafab | 2011-10-16 13:19:17 +0200 | [diff] [blame] | 63 | int128_addto(&range.start, delta); |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 64 | return range; |
| 65 | } |
| 66 | |
Avi Kivity | 08dafab | 2011-10-16 13:19:17 +0200 | [diff] [blame] | 67 | static bool addrrange_contains(AddrRange range, Int128 addr) |
| 68 | { |
| 69 | return int128_ge(addr, range.start) |
| 70 | && int128_lt(addr, addrrange_end(range)); |
| 71 | } |
| 72 | |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 73 | static bool addrrange_intersects(AddrRange r1, AddrRange r2) |
| 74 | { |
Avi Kivity | 08dafab | 2011-10-16 13:19:17 +0200 | [diff] [blame] | 75 | return addrrange_contains(r1, r2.start) |
| 76 | || addrrange_contains(r2, r1.start); |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 77 | } |
| 78 | |
| 79 | static AddrRange addrrange_intersection(AddrRange r1, AddrRange r2) |
| 80 | { |
Avi Kivity | 08dafab | 2011-10-16 13:19:17 +0200 | [diff] [blame] | 81 | Int128 start = int128_max(r1.start, r2.start); |
| 82 | Int128 end = int128_min(addrrange_end(r1), addrrange_end(r2)); |
| 83 | return addrrange_make(start, int128_sub(end, start)); |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 84 | } |
| 85 | |
Avi Kivity | 0e0d36b | 2012-02-08 16:39:45 +0200 | [diff] [blame] | 86 | enum ListenerDirection { Forward, Reverse }; |
| 87 | |
Avi Kivity | 7376e58 | 2012-02-08 21:05:17 +0200 | [diff] [blame] | 88 | static bool memory_listener_match(MemoryListener *listener, |
| 89 | MemoryRegionSection *section) |
| 90 | { |
| 91 | return !listener->address_space_filter |
| 92 | || listener->address_space_filter == section->address_space; |
| 93 | } |
| 94 | |
| 95 | #define MEMORY_LISTENER_CALL_GLOBAL(_callback, _direction, _args...) \ |
Avi Kivity | 0e0d36b | 2012-02-08 16:39:45 +0200 | [diff] [blame] | 96 | do { \ |
| 97 | MemoryListener *_listener; \ |
| 98 | \ |
| 99 | switch (_direction) { \ |
| 100 | case Forward: \ |
| 101 | QTAILQ_FOREACH(_listener, &memory_listeners, link) { \ |
Avi Kivity | 975aefe | 2012-10-02 16:39:57 +0200 | [diff] [blame^] | 102 | if (_listener->_callback) { \ |
| 103 | _listener->_callback(_listener, ##_args); \ |
| 104 | } \ |
Avi Kivity | 0e0d36b | 2012-02-08 16:39:45 +0200 | [diff] [blame] | 105 | } \ |
| 106 | break; \ |
| 107 | case Reverse: \ |
| 108 | QTAILQ_FOREACH_REVERSE(_listener, &memory_listeners, \ |
| 109 | memory_listeners, link) { \ |
Avi Kivity | 975aefe | 2012-10-02 16:39:57 +0200 | [diff] [blame^] | 110 | if (_listener->_callback) { \ |
| 111 | _listener->_callback(_listener, ##_args); \ |
| 112 | } \ |
Avi Kivity | 0e0d36b | 2012-02-08 16:39:45 +0200 | [diff] [blame] | 113 | } \ |
| 114 | break; \ |
| 115 | default: \ |
| 116 | abort(); \ |
| 117 | } \ |
| 118 | } while (0) |
| 119 | |
Avi Kivity | 7376e58 | 2012-02-08 21:05:17 +0200 | [diff] [blame] | 120 | #define MEMORY_LISTENER_CALL(_callback, _direction, _section, _args...) \ |
| 121 | do { \ |
| 122 | MemoryListener *_listener; \ |
| 123 | \ |
| 124 | switch (_direction) { \ |
| 125 | case Forward: \ |
| 126 | QTAILQ_FOREACH(_listener, &memory_listeners, link) { \ |
Avi Kivity | 975aefe | 2012-10-02 16:39:57 +0200 | [diff] [blame^] | 127 | if (_listener->_callback \ |
| 128 | && memory_listener_match(_listener, _section)) { \ |
Avi Kivity | 7376e58 | 2012-02-08 21:05:17 +0200 | [diff] [blame] | 129 | _listener->_callback(_listener, _section, ##_args); \ |
| 130 | } \ |
| 131 | } \ |
| 132 | break; \ |
| 133 | case Reverse: \ |
| 134 | QTAILQ_FOREACH_REVERSE(_listener, &memory_listeners, \ |
| 135 | memory_listeners, link) { \ |
Avi Kivity | 975aefe | 2012-10-02 16:39:57 +0200 | [diff] [blame^] | 136 | if (_listener->_callback \ |
| 137 | && memory_listener_match(_listener, _section)) { \ |
Avi Kivity | 7376e58 | 2012-02-08 21:05:17 +0200 | [diff] [blame] | 138 | _listener->_callback(_listener, _section, ##_args); \ |
| 139 | } \ |
| 140 | } \ |
| 141 | break; \ |
| 142 | default: \ |
| 143 | abort(); \ |
| 144 | } \ |
| 145 | } while (0) |
| 146 | |
Avi Kivity | 0e0d36b | 2012-02-08 16:39:45 +0200 | [diff] [blame] | 147 | #define MEMORY_LISTENER_UPDATE_REGION(fr, as, dir, callback) \ |
Avi Kivity | 7376e58 | 2012-02-08 21:05:17 +0200 | [diff] [blame] | 148 | MEMORY_LISTENER_CALL(callback, dir, (&(MemoryRegionSection) { \ |
Avi Kivity | 0e0d36b | 2012-02-08 16:39:45 +0200 | [diff] [blame] | 149 | .mr = (fr)->mr, \ |
| 150 | .address_space = (as)->root, \ |
| 151 | .offset_within_region = (fr)->offset_in_region, \ |
| 152 | .size = int128_get64((fr)->addr.size), \ |
| 153 | .offset_within_address_space = int128_get64((fr)->addr.start), \ |
Avi Kivity | 7a8499e | 2012-02-08 17:01:23 +0200 | [diff] [blame] | 154 | .readonly = (fr)->readonly, \ |
Avi Kivity | 7376e58 | 2012-02-08 21:05:17 +0200 | [diff] [blame] | 155 | })) |
Avi Kivity | 0e0d36b | 2012-02-08 16:39:45 +0200 | [diff] [blame] | 156 | |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 157 | struct CoalescedMemoryRange { |
| 158 | AddrRange addr; |
| 159 | QTAILQ_ENTRY(CoalescedMemoryRange) link; |
| 160 | }; |
| 161 | |
Avi Kivity | 3e9d69e | 2011-07-26 14:26:11 +0300 | [diff] [blame] | 162 | struct MemoryRegionIoeventfd { |
| 163 | AddrRange addr; |
| 164 | bool match_data; |
| 165 | uint64_t data; |
Paolo Bonzini | 753d5e1 | 2012-07-05 17:16:27 +0200 | [diff] [blame] | 166 | EventNotifier *e; |
Avi Kivity | 3e9d69e | 2011-07-26 14:26:11 +0300 | [diff] [blame] | 167 | }; |
| 168 | |
| 169 | static bool memory_region_ioeventfd_before(MemoryRegionIoeventfd a, |
| 170 | MemoryRegionIoeventfd b) |
| 171 | { |
Avi Kivity | 08dafab | 2011-10-16 13:19:17 +0200 | [diff] [blame] | 172 | if (int128_lt(a.addr.start, b.addr.start)) { |
Avi Kivity | 3e9d69e | 2011-07-26 14:26:11 +0300 | [diff] [blame] | 173 | return true; |
Avi Kivity | 08dafab | 2011-10-16 13:19:17 +0200 | [diff] [blame] | 174 | } else if (int128_gt(a.addr.start, b.addr.start)) { |
Avi Kivity | 3e9d69e | 2011-07-26 14:26:11 +0300 | [diff] [blame] | 175 | return false; |
Avi Kivity | 08dafab | 2011-10-16 13:19:17 +0200 | [diff] [blame] | 176 | } else if (int128_lt(a.addr.size, b.addr.size)) { |
Avi Kivity | 3e9d69e | 2011-07-26 14:26:11 +0300 | [diff] [blame] | 177 | return true; |
Avi Kivity | 08dafab | 2011-10-16 13:19:17 +0200 | [diff] [blame] | 178 | } else if (int128_gt(a.addr.size, b.addr.size)) { |
Avi Kivity | 3e9d69e | 2011-07-26 14:26:11 +0300 | [diff] [blame] | 179 | return false; |
| 180 | } else if (a.match_data < b.match_data) { |
| 181 | return true; |
| 182 | } else if (a.match_data > b.match_data) { |
| 183 | return false; |
| 184 | } else if (a.match_data) { |
| 185 | if (a.data < b.data) { |
| 186 | return true; |
| 187 | } else if (a.data > b.data) { |
| 188 | return false; |
| 189 | } |
| 190 | } |
Paolo Bonzini | 753d5e1 | 2012-07-05 17:16:27 +0200 | [diff] [blame] | 191 | if (a.e < b.e) { |
Avi Kivity | 3e9d69e | 2011-07-26 14:26:11 +0300 | [diff] [blame] | 192 | return true; |
Paolo Bonzini | 753d5e1 | 2012-07-05 17:16:27 +0200 | [diff] [blame] | 193 | } else if (a.e > b.e) { |
Avi Kivity | 3e9d69e | 2011-07-26 14:26:11 +0300 | [diff] [blame] | 194 | return false; |
| 195 | } |
| 196 | return false; |
| 197 | } |
| 198 | |
| 199 | static bool memory_region_ioeventfd_equal(MemoryRegionIoeventfd a, |
| 200 | MemoryRegionIoeventfd b) |
| 201 | { |
| 202 | return !memory_region_ioeventfd_before(a, b) |
| 203 | && !memory_region_ioeventfd_before(b, a); |
| 204 | } |
| 205 | |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 206 | typedef struct FlatRange FlatRange; |
| 207 | typedef struct FlatView FlatView; |
| 208 | |
| 209 | /* Range of memory in the global map. Addresses are absolute. */ |
| 210 | struct FlatRange { |
| 211 | MemoryRegion *mr; |
| 212 | target_phys_addr_t offset_in_region; |
| 213 | AddrRange addr; |
Avi Kivity | 5a58334 | 2011-07-26 14:26:02 +0300 | [diff] [blame] | 214 | uint8_t dirty_log_mask; |
Avi Kivity | d0a9b5b | 2011-08-08 19:58:49 +0300 | [diff] [blame] | 215 | bool readable; |
Avi Kivity | fb1cd6f | 2011-09-25 14:48:47 +0300 | [diff] [blame] | 216 | bool readonly; |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 217 | }; |
| 218 | |
| 219 | /* Flattened global view of current active memory hierarchy. Kept in sorted |
| 220 | * order. |
| 221 | */ |
| 222 | struct FlatView { |
| 223 | FlatRange *ranges; |
| 224 | unsigned nr; |
| 225 | unsigned nr_allocated; |
| 226 | }; |
| 227 | |
Avi Kivity | cc31e6e | 2011-07-26 14:26:05 +0300 | [diff] [blame] | 228 | typedef struct AddressSpaceOps AddressSpaceOps; |
| 229 | |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 230 | #define FOR_EACH_FLAT_RANGE(var, view) \ |
| 231 | for (var = (view)->ranges; var < (view)->ranges + (view)->nr; ++var) |
| 232 | |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 233 | static bool flatrange_equal(FlatRange *a, FlatRange *b) |
| 234 | { |
| 235 | return a->mr == b->mr |
| 236 | && addrrange_equal(a->addr, b->addr) |
Avi Kivity | d0a9b5b | 2011-08-08 19:58:49 +0300 | [diff] [blame] | 237 | && a->offset_in_region == b->offset_in_region |
Avi Kivity | fb1cd6f | 2011-09-25 14:48:47 +0300 | [diff] [blame] | 238 | && a->readable == b->readable |
| 239 | && a->readonly == b->readonly; |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 240 | } |
| 241 | |
| 242 | static void flatview_init(FlatView *view) |
| 243 | { |
| 244 | view->ranges = NULL; |
| 245 | view->nr = 0; |
| 246 | view->nr_allocated = 0; |
| 247 | } |
| 248 | |
| 249 | /* Insert a range into a given position. Caller is responsible for maintaining |
| 250 | * sorting order. |
| 251 | */ |
| 252 | static void flatview_insert(FlatView *view, unsigned pos, FlatRange *range) |
| 253 | { |
| 254 | if (view->nr == view->nr_allocated) { |
| 255 | view->nr_allocated = MAX(2 * view->nr, 10); |
Anthony Liguori | 7267c09 | 2011-08-20 22:09:37 -0500 | [diff] [blame] | 256 | view->ranges = g_realloc(view->ranges, |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 257 | view->nr_allocated * sizeof(*view->ranges)); |
| 258 | } |
| 259 | memmove(view->ranges + pos + 1, view->ranges + pos, |
| 260 | (view->nr - pos) * sizeof(FlatRange)); |
| 261 | view->ranges[pos] = *range; |
| 262 | ++view->nr; |
| 263 | } |
| 264 | |
| 265 | static void flatview_destroy(FlatView *view) |
| 266 | { |
Anthony Liguori | 7267c09 | 2011-08-20 22:09:37 -0500 | [diff] [blame] | 267 | g_free(view->ranges); |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 268 | } |
| 269 | |
Avi Kivity | 3d8e6bf | 2011-07-26 14:26:03 +0300 | [diff] [blame] | 270 | static bool can_merge(FlatRange *r1, FlatRange *r2) |
| 271 | { |
Avi Kivity | 08dafab | 2011-10-16 13:19:17 +0200 | [diff] [blame] | 272 | return int128_eq(addrrange_end(r1->addr), r2->addr.start) |
Avi Kivity | 3d8e6bf | 2011-07-26 14:26:03 +0300 | [diff] [blame] | 273 | && r1->mr == r2->mr |
Avi Kivity | 08dafab | 2011-10-16 13:19:17 +0200 | [diff] [blame] | 274 | && int128_eq(int128_add(int128_make64(r1->offset_in_region), |
| 275 | r1->addr.size), |
| 276 | int128_make64(r2->offset_in_region)) |
Avi Kivity | d0a9b5b | 2011-08-08 19:58:49 +0300 | [diff] [blame] | 277 | && r1->dirty_log_mask == r2->dirty_log_mask |
Avi Kivity | fb1cd6f | 2011-09-25 14:48:47 +0300 | [diff] [blame] | 278 | && r1->readable == r2->readable |
| 279 | && r1->readonly == r2->readonly; |
Avi Kivity | 3d8e6bf | 2011-07-26 14:26:03 +0300 | [diff] [blame] | 280 | } |
| 281 | |
| 282 | /* Attempt to simplify a view by merging ajacent ranges */ |
| 283 | static void flatview_simplify(FlatView *view) |
| 284 | { |
| 285 | unsigned i, j; |
| 286 | |
| 287 | i = 0; |
| 288 | while (i < view->nr) { |
| 289 | j = i + 1; |
| 290 | while (j < view->nr |
| 291 | && can_merge(&view->ranges[j-1], &view->ranges[j])) { |
Avi Kivity | 08dafab | 2011-10-16 13:19:17 +0200 | [diff] [blame] | 292 | int128_addto(&view->ranges[i].addr.size, view->ranges[j].addr.size); |
Avi Kivity | 3d8e6bf | 2011-07-26 14:26:03 +0300 | [diff] [blame] | 293 | ++j; |
| 294 | } |
| 295 | ++i; |
| 296 | memmove(&view->ranges[i], &view->ranges[j], |
| 297 | (view->nr - j) * sizeof(view->ranges[j])); |
| 298 | view->nr -= j - i; |
| 299 | } |
| 300 | } |
| 301 | |
Avi Kivity | 164a4dc | 2011-08-11 10:40:25 +0300 | [diff] [blame] | 302 | static void memory_region_read_accessor(void *opaque, |
| 303 | target_phys_addr_t addr, |
| 304 | uint64_t *value, |
| 305 | unsigned size, |
| 306 | unsigned shift, |
| 307 | uint64_t mask) |
| 308 | { |
| 309 | MemoryRegion *mr = opaque; |
| 310 | uint64_t tmp; |
| 311 | |
Jan Kiszka | d410515 | 2012-08-23 13:02:29 +0200 | [diff] [blame] | 312 | if (mr->flush_coalesced_mmio) { |
| 313 | qemu_flush_coalesced_mmio_buffer(); |
| 314 | } |
Avi Kivity | 164a4dc | 2011-08-11 10:40:25 +0300 | [diff] [blame] | 315 | tmp = mr->ops->read(mr->opaque, addr, size); |
| 316 | *value |= (tmp & mask) << shift; |
| 317 | } |
| 318 | |
| 319 | static void memory_region_write_accessor(void *opaque, |
| 320 | target_phys_addr_t addr, |
| 321 | uint64_t *value, |
| 322 | unsigned size, |
| 323 | unsigned shift, |
| 324 | uint64_t mask) |
| 325 | { |
| 326 | MemoryRegion *mr = opaque; |
| 327 | uint64_t tmp; |
| 328 | |
Jan Kiszka | d410515 | 2012-08-23 13:02:29 +0200 | [diff] [blame] | 329 | if (mr->flush_coalesced_mmio) { |
| 330 | qemu_flush_coalesced_mmio_buffer(); |
| 331 | } |
Avi Kivity | 164a4dc | 2011-08-11 10:40:25 +0300 | [diff] [blame] | 332 | tmp = (*value >> shift) & mask; |
| 333 | mr->ops->write(mr->opaque, addr, tmp, size); |
| 334 | } |
| 335 | |
| 336 | static void access_with_adjusted_size(target_phys_addr_t addr, |
| 337 | uint64_t *value, |
| 338 | unsigned size, |
| 339 | unsigned access_size_min, |
| 340 | unsigned access_size_max, |
| 341 | void (*access)(void *opaque, |
| 342 | target_phys_addr_t addr, |
| 343 | uint64_t *value, |
| 344 | unsigned size, |
| 345 | unsigned shift, |
| 346 | uint64_t mask), |
| 347 | void *opaque) |
| 348 | { |
| 349 | uint64_t access_mask; |
| 350 | unsigned access_size; |
| 351 | unsigned i; |
| 352 | |
| 353 | if (!access_size_min) { |
| 354 | access_size_min = 1; |
| 355 | } |
| 356 | if (!access_size_max) { |
| 357 | access_size_max = 4; |
| 358 | } |
| 359 | access_size = MAX(MIN(size, access_size_max), access_size_min); |
| 360 | access_mask = -1ULL >> (64 - access_size * 8); |
| 361 | for (i = 0; i < size; i += access_size) { |
| 362 | /* FIXME: big-endian support */ |
| 363 | access(opaque, addr + i, value, access_size, i * 8, access_mask); |
| 364 | } |
| 365 | } |
| 366 | |
Avi Kivity | 8df8a84 | 2012-02-08 17:19:46 +0200 | [diff] [blame] | 367 | static AddressSpace address_space_memory; |
Avi Kivity | cc31e6e | 2011-07-26 14:26:05 +0300 | [diff] [blame] | 368 | |
Avi Kivity | 627a0e9 | 2011-07-26 14:26:09 +0300 | [diff] [blame] | 369 | static const MemoryRegionPortio *find_portio(MemoryRegion *mr, uint64_t offset, |
| 370 | unsigned width, bool write) |
| 371 | { |
| 372 | const MemoryRegionPortio *mrp; |
| 373 | |
| 374 | for (mrp = mr->ops->old_portio; mrp->size; ++mrp) { |
| 375 | if (offset >= mrp->offset && offset < mrp->offset + mrp->len |
| 376 | && width == mrp->size |
| 377 | && (write ? (bool)mrp->write : (bool)mrp->read)) { |
| 378 | return mrp; |
| 379 | } |
| 380 | } |
| 381 | return NULL; |
| 382 | } |
| 383 | |
Avi Kivity | 658b222 | 2011-07-26 14:26:08 +0300 | [diff] [blame] | 384 | static void memory_region_iorange_read(IORange *iorange, |
| 385 | uint64_t offset, |
| 386 | unsigned width, |
| 387 | uint64_t *data) |
| 388 | { |
Avi Kivity | a2d3352 | 2012-03-05 17:40:12 +0200 | [diff] [blame] | 389 | MemoryRegionIORange *mrio |
| 390 | = container_of(iorange, MemoryRegionIORange, iorange); |
| 391 | MemoryRegion *mr = mrio->mr; |
Avi Kivity | 658b222 | 2011-07-26 14:26:08 +0300 | [diff] [blame] | 392 | |
Avi Kivity | a2d3352 | 2012-03-05 17:40:12 +0200 | [diff] [blame] | 393 | offset += mrio->offset; |
Avi Kivity | 627a0e9 | 2011-07-26 14:26:09 +0300 | [diff] [blame] | 394 | if (mr->ops->old_portio) { |
Avi Kivity | a2d3352 | 2012-03-05 17:40:12 +0200 | [diff] [blame] | 395 | const MemoryRegionPortio *mrp = find_portio(mr, offset - mrio->offset, |
| 396 | width, false); |
Avi Kivity | 627a0e9 | 2011-07-26 14:26:09 +0300 | [diff] [blame] | 397 | |
| 398 | *data = ((uint64_t)1 << (width * 8)) - 1; |
| 399 | if (mrp) { |
Avi Kivity | 2b50aa1 | 2012-01-08 19:51:35 +0200 | [diff] [blame] | 400 | *data = mrp->read(mr->opaque, offset); |
Jan Kiszka | 03808f5 | 2011-09-18 14:51:58 +0200 | [diff] [blame] | 401 | } else if (width == 2) { |
Avi Kivity | a2d3352 | 2012-03-05 17:40:12 +0200 | [diff] [blame] | 402 | mrp = find_portio(mr, offset - mrio->offset, 1, false); |
Jan Kiszka | 03808f5 | 2011-09-18 14:51:58 +0200 | [diff] [blame] | 403 | assert(mrp); |
Avi Kivity | 2b50aa1 | 2012-01-08 19:51:35 +0200 | [diff] [blame] | 404 | *data = mrp->read(mr->opaque, offset) | |
| 405 | (mrp->read(mr->opaque, offset + 1) << 8); |
Avi Kivity | 627a0e9 | 2011-07-26 14:26:09 +0300 | [diff] [blame] | 406 | } |
| 407 | return; |
| 408 | } |
Avi Kivity | 3a130f4 | 2011-08-11 10:40:26 +0300 | [diff] [blame] | 409 | *data = 0; |
Avi Kivity | 2b50aa1 | 2012-01-08 19:51:35 +0200 | [diff] [blame] | 410 | access_with_adjusted_size(offset, data, width, |
Avi Kivity | 3a130f4 | 2011-08-11 10:40:26 +0300 | [diff] [blame] | 411 | mr->ops->impl.min_access_size, |
| 412 | mr->ops->impl.max_access_size, |
| 413 | memory_region_read_accessor, mr); |
Avi Kivity | 658b222 | 2011-07-26 14:26:08 +0300 | [diff] [blame] | 414 | } |
| 415 | |
| 416 | static void memory_region_iorange_write(IORange *iorange, |
| 417 | uint64_t offset, |
| 418 | unsigned width, |
| 419 | uint64_t data) |
| 420 | { |
Avi Kivity | a2d3352 | 2012-03-05 17:40:12 +0200 | [diff] [blame] | 421 | MemoryRegionIORange *mrio |
| 422 | = container_of(iorange, MemoryRegionIORange, iorange); |
| 423 | MemoryRegion *mr = mrio->mr; |
Avi Kivity | 658b222 | 2011-07-26 14:26:08 +0300 | [diff] [blame] | 424 | |
Avi Kivity | a2d3352 | 2012-03-05 17:40:12 +0200 | [diff] [blame] | 425 | offset += mrio->offset; |
Avi Kivity | 627a0e9 | 2011-07-26 14:26:09 +0300 | [diff] [blame] | 426 | if (mr->ops->old_portio) { |
Avi Kivity | a2d3352 | 2012-03-05 17:40:12 +0200 | [diff] [blame] | 427 | const MemoryRegionPortio *mrp = find_portio(mr, offset - mrio->offset, |
| 428 | width, true); |
Avi Kivity | 627a0e9 | 2011-07-26 14:26:09 +0300 | [diff] [blame] | 429 | |
| 430 | if (mrp) { |
Avi Kivity | 2b50aa1 | 2012-01-08 19:51:35 +0200 | [diff] [blame] | 431 | mrp->write(mr->opaque, offset, data); |
Jan Kiszka | 03808f5 | 2011-09-18 14:51:58 +0200 | [diff] [blame] | 432 | } else if (width == 2) { |
Jan Kiszka | 7e2a62d | 2012-08-26 10:12:47 +0200 | [diff] [blame] | 433 | mrp = find_portio(mr, offset - mrio->offset, 1, true); |
Jan Kiszka | 03808f5 | 2011-09-18 14:51:58 +0200 | [diff] [blame] | 434 | assert(mrp); |
Avi Kivity | 2b50aa1 | 2012-01-08 19:51:35 +0200 | [diff] [blame] | 435 | mrp->write(mr->opaque, offset, data & 0xff); |
| 436 | mrp->write(mr->opaque, offset + 1, data >> 8); |
Avi Kivity | 627a0e9 | 2011-07-26 14:26:09 +0300 | [diff] [blame] | 437 | } |
| 438 | return; |
| 439 | } |
Avi Kivity | 2b50aa1 | 2012-01-08 19:51:35 +0200 | [diff] [blame] | 440 | access_with_adjusted_size(offset, &data, width, |
Avi Kivity | 3a130f4 | 2011-08-11 10:40:26 +0300 | [diff] [blame] | 441 | mr->ops->impl.min_access_size, |
| 442 | mr->ops->impl.max_access_size, |
| 443 | memory_region_write_accessor, mr); |
Avi Kivity | 658b222 | 2011-07-26 14:26:08 +0300 | [diff] [blame] | 444 | } |
| 445 | |
Avi Kivity | a2d3352 | 2012-03-05 17:40:12 +0200 | [diff] [blame] | 446 | static void memory_region_iorange_destructor(IORange *iorange) |
| 447 | { |
| 448 | g_free(container_of(iorange, MemoryRegionIORange, iorange)); |
| 449 | } |
| 450 | |
Avi Kivity | 9363274 | 2012-02-08 16:54:16 +0200 | [diff] [blame] | 451 | const IORangeOps memory_region_iorange_ops = { |
Avi Kivity | 658b222 | 2011-07-26 14:26:08 +0300 | [diff] [blame] | 452 | .read = memory_region_iorange_read, |
| 453 | .write = memory_region_iorange_write, |
Avi Kivity | a2d3352 | 2012-03-05 17:40:12 +0200 | [diff] [blame] | 454 | .destructor = memory_region_iorange_destructor, |
Avi Kivity | 658b222 | 2011-07-26 14:26:08 +0300 | [diff] [blame] | 455 | }; |
| 456 | |
Avi Kivity | 8df8a84 | 2012-02-08 17:19:46 +0200 | [diff] [blame] | 457 | static AddressSpace address_space_io; |
Avi Kivity | 658b222 | 2011-07-26 14:26:08 +0300 | [diff] [blame] | 458 | |
Avi Kivity | e217795 | 2011-12-08 15:00:18 +0200 | [diff] [blame] | 459 | static AddressSpace *memory_region_to_address_space(MemoryRegion *mr) |
| 460 | { |
Avi Kivity | 0d673e3 | 2012-10-02 15:28:50 +0200 | [diff] [blame] | 461 | AddressSpace *as; |
| 462 | |
Avi Kivity | e217795 | 2011-12-08 15:00:18 +0200 | [diff] [blame] | 463 | while (mr->parent) { |
| 464 | mr = mr->parent; |
| 465 | } |
Avi Kivity | 0d673e3 | 2012-10-02 15:28:50 +0200 | [diff] [blame] | 466 | QTAILQ_FOREACH(as, &address_spaces, address_spaces_link) { |
| 467 | if (mr == as->root) { |
| 468 | return as; |
| 469 | } |
Avi Kivity | e217795 | 2011-12-08 15:00:18 +0200 | [diff] [blame] | 470 | } |
| 471 | abort(); |
| 472 | } |
| 473 | |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 474 | /* Render a memory region into the global view. Ranges in @view obscure |
| 475 | * ranges in @mr. |
| 476 | */ |
| 477 | static void render_memory_region(FlatView *view, |
| 478 | MemoryRegion *mr, |
Avi Kivity | 08dafab | 2011-10-16 13:19:17 +0200 | [diff] [blame] | 479 | Int128 base, |
Avi Kivity | fb1cd6f | 2011-09-25 14:48:47 +0300 | [diff] [blame] | 480 | AddrRange clip, |
| 481 | bool readonly) |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 482 | { |
| 483 | MemoryRegion *subregion; |
| 484 | unsigned i; |
| 485 | target_phys_addr_t offset_in_region; |
Avi Kivity | 08dafab | 2011-10-16 13:19:17 +0200 | [diff] [blame] | 486 | Int128 remain; |
| 487 | Int128 now; |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 488 | FlatRange fr; |
| 489 | AddrRange tmp; |
| 490 | |
Avi Kivity | 6bba19b | 2011-09-14 11:54:58 +0300 | [diff] [blame] | 491 | if (!mr->enabled) { |
| 492 | return; |
| 493 | } |
| 494 | |
Avi Kivity | 08dafab | 2011-10-16 13:19:17 +0200 | [diff] [blame] | 495 | int128_addto(&base, int128_make64(mr->addr)); |
Avi Kivity | fb1cd6f | 2011-09-25 14:48:47 +0300 | [diff] [blame] | 496 | readonly |= mr->readonly; |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 497 | |
| 498 | tmp = addrrange_make(base, mr->size); |
| 499 | |
| 500 | if (!addrrange_intersects(tmp, clip)) { |
| 501 | return; |
| 502 | } |
| 503 | |
| 504 | clip = addrrange_intersection(tmp, clip); |
| 505 | |
| 506 | if (mr->alias) { |
Avi Kivity | 08dafab | 2011-10-16 13:19:17 +0200 | [diff] [blame] | 507 | int128_subfrom(&base, int128_make64(mr->alias->addr)); |
| 508 | int128_subfrom(&base, int128_make64(mr->alias_offset)); |
Avi Kivity | fb1cd6f | 2011-09-25 14:48:47 +0300 | [diff] [blame] | 509 | render_memory_region(view, mr->alias, base, clip, readonly); |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 510 | return; |
| 511 | } |
| 512 | |
| 513 | /* Render subregions in priority order. */ |
| 514 | QTAILQ_FOREACH(subregion, &mr->subregions, subregions_link) { |
Avi Kivity | fb1cd6f | 2011-09-25 14:48:47 +0300 | [diff] [blame] | 515 | render_memory_region(view, subregion, base, clip, readonly); |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 516 | } |
| 517 | |
Avi Kivity | 14a3c10 | 2011-07-26 14:26:06 +0300 | [diff] [blame] | 518 | if (!mr->terminates) { |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 519 | return; |
| 520 | } |
| 521 | |
Avi Kivity | 08dafab | 2011-10-16 13:19:17 +0200 | [diff] [blame] | 522 | offset_in_region = int128_get64(int128_sub(clip.start, base)); |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 523 | base = clip.start; |
| 524 | remain = clip.size; |
| 525 | |
| 526 | /* Render the region itself into any gaps left by the current view. */ |
Avi Kivity | 08dafab | 2011-10-16 13:19:17 +0200 | [diff] [blame] | 527 | for (i = 0; i < view->nr && int128_nz(remain); ++i) { |
| 528 | if (int128_ge(base, addrrange_end(view->ranges[i].addr))) { |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 529 | continue; |
| 530 | } |
Avi Kivity | 08dafab | 2011-10-16 13:19:17 +0200 | [diff] [blame] | 531 | if (int128_lt(base, view->ranges[i].addr.start)) { |
| 532 | now = int128_min(remain, |
| 533 | int128_sub(view->ranges[i].addr.start, base)); |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 534 | fr.mr = mr; |
| 535 | fr.offset_in_region = offset_in_region; |
| 536 | fr.addr = addrrange_make(base, now); |
Avi Kivity | 5a58334 | 2011-07-26 14:26:02 +0300 | [diff] [blame] | 537 | fr.dirty_log_mask = mr->dirty_log_mask; |
Avi Kivity | d0a9b5b | 2011-08-08 19:58:49 +0300 | [diff] [blame] | 538 | fr.readable = mr->readable; |
Avi Kivity | fb1cd6f | 2011-09-25 14:48:47 +0300 | [diff] [blame] | 539 | fr.readonly = readonly; |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 540 | flatview_insert(view, i, &fr); |
| 541 | ++i; |
Avi Kivity | 08dafab | 2011-10-16 13:19:17 +0200 | [diff] [blame] | 542 | int128_addto(&base, now); |
| 543 | offset_in_region += int128_get64(now); |
| 544 | int128_subfrom(&remain, now); |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 545 | } |
Avi Kivity | 08dafab | 2011-10-16 13:19:17 +0200 | [diff] [blame] | 546 | if (int128_eq(base, view->ranges[i].addr.start)) { |
| 547 | now = int128_min(remain, view->ranges[i].addr.size); |
| 548 | int128_addto(&base, now); |
| 549 | offset_in_region += int128_get64(now); |
| 550 | int128_subfrom(&remain, now); |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 551 | } |
| 552 | } |
Avi Kivity | 08dafab | 2011-10-16 13:19:17 +0200 | [diff] [blame] | 553 | if (int128_nz(remain)) { |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 554 | fr.mr = mr; |
| 555 | fr.offset_in_region = offset_in_region; |
| 556 | fr.addr = addrrange_make(base, remain); |
Avi Kivity | 5a58334 | 2011-07-26 14:26:02 +0300 | [diff] [blame] | 557 | fr.dirty_log_mask = mr->dirty_log_mask; |
Avi Kivity | d0a9b5b | 2011-08-08 19:58:49 +0300 | [diff] [blame] | 558 | fr.readable = mr->readable; |
Avi Kivity | fb1cd6f | 2011-09-25 14:48:47 +0300 | [diff] [blame] | 559 | fr.readonly = readonly; |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 560 | flatview_insert(view, i, &fr); |
| 561 | } |
| 562 | } |
| 563 | |
| 564 | /* Render a memory topology into a list of disjoint absolute ranges. */ |
| 565 | static FlatView generate_memory_topology(MemoryRegion *mr) |
| 566 | { |
| 567 | FlatView view; |
| 568 | |
| 569 | flatview_init(&view); |
| 570 | |
Avi Kivity | 08dafab | 2011-10-16 13:19:17 +0200 | [diff] [blame] | 571 | render_memory_region(&view, mr, int128_zero(), |
| 572 | addrrange_make(int128_zero(), int128_2_64()), false); |
Avi Kivity | 3d8e6bf | 2011-07-26 14:26:03 +0300 | [diff] [blame] | 573 | flatview_simplify(&view); |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 574 | |
| 575 | return view; |
| 576 | } |
| 577 | |
Avi Kivity | 3e9d69e | 2011-07-26 14:26:11 +0300 | [diff] [blame] | 578 | static void address_space_add_del_ioeventfds(AddressSpace *as, |
| 579 | MemoryRegionIoeventfd *fds_new, |
| 580 | unsigned fds_new_nb, |
| 581 | MemoryRegionIoeventfd *fds_old, |
| 582 | unsigned fds_old_nb) |
| 583 | { |
| 584 | unsigned iold, inew; |
Avi Kivity | 80a1ea3 | 2012-02-08 16:39:06 +0200 | [diff] [blame] | 585 | MemoryRegionIoeventfd *fd; |
| 586 | MemoryRegionSection section; |
Avi Kivity | 3e9d69e | 2011-07-26 14:26:11 +0300 | [diff] [blame] | 587 | |
| 588 | /* Generate a symmetric difference of the old and new fd sets, adding |
| 589 | * and deleting as necessary. |
| 590 | */ |
| 591 | |
| 592 | iold = inew = 0; |
| 593 | while (iold < fds_old_nb || inew < fds_new_nb) { |
| 594 | if (iold < fds_old_nb |
| 595 | && (inew == fds_new_nb |
| 596 | || memory_region_ioeventfd_before(fds_old[iold], |
| 597 | fds_new[inew]))) { |
Avi Kivity | 80a1ea3 | 2012-02-08 16:39:06 +0200 | [diff] [blame] | 598 | fd = &fds_old[iold]; |
| 599 | section = (MemoryRegionSection) { |
| 600 | .address_space = as->root, |
| 601 | .offset_within_address_space = int128_get64(fd->addr.start), |
| 602 | .size = int128_get64(fd->addr.size), |
| 603 | }; |
| 604 | MEMORY_LISTENER_CALL(eventfd_del, Forward, §ion, |
Paolo Bonzini | 753d5e1 | 2012-07-05 17:16:27 +0200 | [diff] [blame] | 605 | fd->match_data, fd->data, fd->e); |
Avi Kivity | 3e9d69e | 2011-07-26 14:26:11 +0300 | [diff] [blame] | 606 | ++iold; |
| 607 | } else if (inew < fds_new_nb |
| 608 | && (iold == fds_old_nb |
| 609 | || memory_region_ioeventfd_before(fds_new[inew], |
| 610 | fds_old[iold]))) { |
Avi Kivity | 80a1ea3 | 2012-02-08 16:39:06 +0200 | [diff] [blame] | 611 | fd = &fds_new[inew]; |
| 612 | section = (MemoryRegionSection) { |
| 613 | .address_space = as->root, |
| 614 | .offset_within_address_space = int128_get64(fd->addr.start), |
| 615 | .size = int128_get64(fd->addr.size), |
| 616 | }; |
| 617 | MEMORY_LISTENER_CALL(eventfd_add, Reverse, §ion, |
Paolo Bonzini | 753d5e1 | 2012-07-05 17:16:27 +0200 | [diff] [blame] | 618 | fd->match_data, fd->data, fd->e); |
Avi Kivity | 3e9d69e | 2011-07-26 14:26:11 +0300 | [diff] [blame] | 619 | ++inew; |
| 620 | } else { |
| 621 | ++iold; |
| 622 | ++inew; |
| 623 | } |
| 624 | } |
| 625 | } |
| 626 | |
| 627 | static void address_space_update_ioeventfds(AddressSpace *as) |
| 628 | { |
| 629 | FlatRange *fr; |
| 630 | unsigned ioeventfd_nb = 0; |
| 631 | MemoryRegionIoeventfd *ioeventfds = NULL; |
| 632 | AddrRange tmp; |
| 633 | unsigned i; |
| 634 | |
Avi Kivity | 8786db7 | 2012-10-02 13:53:41 +0200 | [diff] [blame] | 635 | FOR_EACH_FLAT_RANGE(fr, as->current_map) { |
Avi Kivity | 3e9d69e | 2011-07-26 14:26:11 +0300 | [diff] [blame] | 636 | for (i = 0; i < fr->mr->ioeventfd_nb; ++i) { |
| 637 | tmp = addrrange_shift(fr->mr->ioeventfds[i].addr, |
Avi Kivity | 08dafab | 2011-10-16 13:19:17 +0200 | [diff] [blame] | 638 | int128_sub(fr->addr.start, |
| 639 | int128_make64(fr->offset_in_region))); |
Avi Kivity | 3e9d69e | 2011-07-26 14:26:11 +0300 | [diff] [blame] | 640 | if (addrrange_intersects(fr->addr, tmp)) { |
| 641 | ++ioeventfd_nb; |
Anthony Liguori | 7267c09 | 2011-08-20 22:09:37 -0500 | [diff] [blame] | 642 | ioeventfds = g_realloc(ioeventfds, |
Avi Kivity | 3e9d69e | 2011-07-26 14:26:11 +0300 | [diff] [blame] | 643 | ioeventfd_nb * sizeof(*ioeventfds)); |
| 644 | ioeventfds[ioeventfd_nb-1] = fr->mr->ioeventfds[i]; |
| 645 | ioeventfds[ioeventfd_nb-1].addr = tmp; |
| 646 | } |
| 647 | } |
| 648 | } |
| 649 | |
| 650 | address_space_add_del_ioeventfds(as, ioeventfds, ioeventfd_nb, |
| 651 | as->ioeventfds, as->ioeventfd_nb); |
| 652 | |
Anthony Liguori | 7267c09 | 2011-08-20 22:09:37 -0500 | [diff] [blame] | 653 | g_free(as->ioeventfds); |
Avi Kivity | 3e9d69e | 2011-07-26 14:26:11 +0300 | [diff] [blame] | 654 | as->ioeventfds = ioeventfds; |
| 655 | as->ioeventfd_nb = ioeventfd_nb; |
| 656 | } |
| 657 | |
Avi Kivity | b8af1af | 2011-07-26 14:26:12 +0300 | [diff] [blame] | 658 | static void address_space_update_topology_pass(AddressSpace *as, |
| 659 | FlatView old_view, |
| 660 | FlatView new_view, |
| 661 | bool adding) |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 662 | { |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 663 | unsigned iold, inew; |
| 664 | FlatRange *frold, *frnew; |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 665 | |
| 666 | /* Generate a symmetric difference of the old and new memory maps. |
| 667 | * Kill ranges in the old map, and instantiate ranges in the new map. |
| 668 | */ |
| 669 | iold = inew = 0; |
| 670 | while (iold < old_view.nr || inew < new_view.nr) { |
| 671 | if (iold < old_view.nr) { |
| 672 | frold = &old_view.ranges[iold]; |
| 673 | } else { |
| 674 | frold = NULL; |
| 675 | } |
| 676 | if (inew < new_view.nr) { |
| 677 | frnew = &new_view.ranges[inew]; |
| 678 | } else { |
| 679 | frnew = NULL; |
| 680 | } |
| 681 | |
| 682 | if (frold |
| 683 | && (!frnew |
Avi Kivity | 08dafab | 2011-10-16 13:19:17 +0200 | [diff] [blame] | 684 | || int128_lt(frold->addr.start, frnew->addr.start) |
| 685 | || (int128_eq(frold->addr.start, frnew->addr.start) |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 686 | && !flatrange_equal(frold, frnew)))) { |
| 687 | /* In old, but (not in new, or in new but attributes changed). */ |
| 688 | |
Avi Kivity | b8af1af | 2011-07-26 14:26:12 +0300 | [diff] [blame] | 689 | if (!adding) { |
Avi Kivity | 72e22d2 | 2012-02-08 15:05:50 +0200 | [diff] [blame] | 690 | MEMORY_LISTENER_UPDATE_REGION(frold, as, Reverse, region_del); |
Avi Kivity | b8af1af | 2011-07-26 14:26:12 +0300 | [diff] [blame] | 691 | } |
| 692 | |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 693 | ++iold; |
| 694 | } else if (frold && frnew && flatrange_equal(frold, frnew)) { |
| 695 | /* In both (logging may have changed) */ |
| 696 | |
Avi Kivity | b8af1af | 2011-07-26 14:26:12 +0300 | [diff] [blame] | 697 | if (adding) { |
Avi Kivity | 50c1e14 | 2012-02-08 21:36:02 +0200 | [diff] [blame] | 698 | MEMORY_LISTENER_UPDATE_REGION(frnew, as, Forward, region_nop); |
Avi Kivity | b8af1af | 2011-07-26 14:26:12 +0300 | [diff] [blame] | 699 | if (frold->dirty_log_mask && !frnew->dirty_log_mask) { |
Avi Kivity | 72e22d2 | 2012-02-08 15:05:50 +0200 | [diff] [blame] | 700 | MEMORY_LISTENER_UPDATE_REGION(frnew, as, Reverse, log_stop); |
Avi Kivity | b8af1af | 2011-07-26 14:26:12 +0300 | [diff] [blame] | 701 | } else if (frnew->dirty_log_mask && !frold->dirty_log_mask) { |
Avi Kivity | 72e22d2 | 2012-02-08 15:05:50 +0200 | [diff] [blame] | 702 | MEMORY_LISTENER_UPDATE_REGION(frnew, as, Forward, log_start); |
Avi Kivity | b8af1af | 2011-07-26 14:26:12 +0300 | [diff] [blame] | 703 | } |
Avi Kivity | 5a58334 | 2011-07-26 14:26:02 +0300 | [diff] [blame] | 704 | } |
| 705 | |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 706 | ++iold; |
| 707 | ++inew; |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 708 | } else { |
| 709 | /* In new */ |
| 710 | |
Avi Kivity | b8af1af | 2011-07-26 14:26:12 +0300 | [diff] [blame] | 711 | if (adding) { |
Avi Kivity | 72e22d2 | 2012-02-08 15:05:50 +0200 | [diff] [blame] | 712 | MEMORY_LISTENER_UPDATE_REGION(frnew, as, Forward, region_add); |
Avi Kivity | b8af1af | 2011-07-26 14:26:12 +0300 | [diff] [blame] | 713 | } |
| 714 | |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 715 | ++inew; |
| 716 | } |
| 717 | } |
Avi Kivity | b8af1af | 2011-07-26 14:26:12 +0300 | [diff] [blame] | 718 | } |
| 719 | |
| 720 | |
| 721 | static void address_space_update_topology(AddressSpace *as) |
| 722 | { |
Avi Kivity | 8786db7 | 2012-10-02 13:53:41 +0200 | [diff] [blame] | 723 | FlatView old_view = *as->current_map; |
Avi Kivity | b8af1af | 2011-07-26 14:26:12 +0300 | [diff] [blame] | 724 | FlatView new_view = generate_memory_topology(as->root); |
| 725 | |
| 726 | address_space_update_topology_pass(as, old_view, new_view, false); |
| 727 | address_space_update_topology_pass(as, old_view, new_view, true); |
| 728 | |
Avi Kivity | 8786db7 | 2012-10-02 13:53:41 +0200 | [diff] [blame] | 729 | *as->current_map = new_view; |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 730 | flatview_destroy(&old_view); |
Avi Kivity | 3e9d69e | 2011-07-26 14:26:11 +0300 | [diff] [blame] | 731 | address_space_update_ioeventfds(as); |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 732 | } |
| 733 | |
Avi Kivity | 4ef4db8 | 2011-07-26 14:26:13 +0300 | [diff] [blame] | 734 | void memory_region_transaction_begin(void) |
| 735 | { |
Jan Kiszka | bb880de | 2012-08-23 13:02:32 +0200 | [diff] [blame] | 736 | qemu_flush_coalesced_mmio_buffer(); |
Avi Kivity | 4ef4db8 | 2011-07-26 14:26:13 +0300 | [diff] [blame] | 737 | ++memory_region_transaction_depth; |
| 738 | } |
| 739 | |
| 740 | void memory_region_transaction_commit(void) |
| 741 | { |
Avi Kivity | 0d673e3 | 2012-10-02 15:28:50 +0200 | [diff] [blame] | 742 | AddressSpace *as; |
| 743 | |
Avi Kivity | 4ef4db8 | 2011-07-26 14:26:13 +0300 | [diff] [blame] | 744 | assert(memory_region_transaction_depth); |
| 745 | --memory_region_transaction_depth; |
Jan Kiszka | 02e2b95 | 2012-08-23 13:02:31 +0200 | [diff] [blame] | 746 | if (!memory_region_transaction_depth) { |
| 747 | MEMORY_LISTENER_CALL_GLOBAL(begin, Forward); |
| 748 | |
Avi Kivity | 0d673e3 | 2012-10-02 15:28:50 +0200 | [diff] [blame] | 749 | QTAILQ_FOREACH(as, &address_spaces, address_spaces_link) { |
| 750 | address_space_update_topology(as); |
Jan Kiszka | 02e2b95 | 2012-08-23 13:02:31 +0200 | [diff] [blame] | 751 | } |
| 752 | |
| 753 | MEMORY_LISTENER_CALL_GLOBAL(commit, Forward); |
Avi Kivity | e87c099 | 2011-09-14 12:16:20 +0300 | [diff] [blame] | 754 | } |
Avi Kivity | 4ef4db8 | 2011-07-26 14:26:13 +0300 | [diff] [blame] | 755 | } |
| 756 | |
Avi Kivity | 545e92e | 2011-08-08 19:58:48 +0300 | [diff] [blame] | 757 | static void memory_region_destructor_none(MemoryRegion *mr) |
| 758 | { |
| 759 | } |
| 760 | |
| 761 | static void memory_region_destructor_ram(MemoryRegion *mr) |
| 762 | { |
| 763 | qemu_ram_free(mr->ram_addr); |
| 764 | } |
| 765 | |
| 766 | static void memory_region_destructor_ram_from_ptr(MemoryRegion *mr) |
| 767 | { |
| 768 | qemu_ram_free_from_ptr(mr->ram_addr); |
| 769 | } |
| 770 | |
| 771 | static void memory_region_destructor_iomem(MemoryRegion *mr) |
| 772 | { |
Avi Kivity | 545e92e | 2011-08-08 19:58:48 +0300 | [diff] [blame] | 773 | } |
| 774 | |
Avi Kivity | d0a9b5b | 2011-08-08 19:58:49 +0300 | [diff] [blame] | 775 | static void memory_region_destructor_rom_device(MemoryRegion *mr) |
| 776 | { |
| 777 | qemu_ram_free(mr->ram_addr & TARGET_PAGE_MASK); |
Avi Kivity | d0a9b5b | 2011-08-08 19:58:49 +0300 | [diff] [blame] | 778 | } |
| 779 | |
Avi Kivity | be675c9 | 2011-11-20 16:22:55 +0200 | [diff] [blame] | 780 | static bool memory_region_wrong_endianness(MemoryRegion *mr) |
| 781 | { |
Andreas Färber | 2c3579a | 2012-01-07 09:45:14 +0100 | [diff] [blame] | 782 | #ifdef TARGET_WORDS_BIGENDIAN |
Avi Kivity | be675c9 | 2011-11-20 16:22:55 +0200 | [diff] [blame] | 783 | return mr->ops->endianness == DEVICE_LITTLE_ENDIAN; |
| 784 | #else |
| 785 | return mr->ops->endianness == DEVICE_BIG_ENDIAN; |
| 786 | #endif |
| 787 | } |
| 788 | |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 789 | void memory_region_init(MemoryRegion *mr, |
| 790 | const char *name, |
| 791 | uint64_t size) |
| 792 | { |
| 793 | mr->ops = NULL; |
| 794 | mr->parent = NULL; |
Avi Kivity | 08dafab | 2011-10-16 13:19:17 +0200 | [diff] [blame] | 795 | mr->size = int128_make64(size); |
| 796 | if (size == UINT64_MAX) { |
| 797 | mr->size = int128_2_64(); |
| 798 | } |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 799 | mr->addr = 0; |
Avi Kivity | b3b00c7 | 2012-01-02 13:20:11 +0200 | [diff] [blame] | 800 | mr->subpage = false; |
Avi Kivity | 6bba19b | 2011-09-14 11:54:58 +0300 | [diff] [blame] | 801 | mr->enabled = true; |
Avi Kivity | 14a3c10 | 2011-07-26 14:26:06 +0300 | [diff] [blame] | 802 | mr->terminates = false; |
Avi Kivity | 8ea9252 | 2011-12-08 15:58:43 +0200 | [diff] [blame] | 803 | mr->ram = false; |
Avi Kivity | d0a9b5b | 2011-08-08 19:58:49 +0300 | [diff] [blame] | 804 | mr->readable = true; |
Avi Kivity | fb1cd6f | 2011-09-25 14:48:47 +0300 | [diff] [blame] | 805 | mr->readonly = false; |
Avi Kivity | 75c578d | 2012-01-02 15:40:52 +0200 | [diff] [blame] | 806 | mr->rom_device = false; |
Avi Kivity | 545e92e | 2011-08-08 19:58:48 +0300 | [diff] [blame] | 807 | mr->destructor = memory_region_destructor_none; |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 808 | mr->priority = 0; |
| 809 | mr->may_overlap = false; |
| 810 | mr->alias = NULL; |
| 811 | QTAILQ_INIT(&mr->subregions); |
| 812 | memset(&mr->subregions_link, 0, sizeof mr->subregions_link); |
| 813 | QTAILQ_INIT(&mr->coalesced); |
Anthony Liguori | 7267c09 | 2011-08-20 22:09:37 -0500 | [diff] [blame] | 814 | mr->name = g_strdup(name); |
Avi Kivity | 5a58334 | 2011-07-26 14:26:02 +0300 | [diff] [blame] | 815 | mr->dirty_log_mask = 0; |
Avi Kivity | 3e9d69e | 2011-07-26 14:26:11 +0300 | [diff] [blame] | 816 | mr->ioeventfd_nb = 0; |
| 817 | mr->ioeventfds = NULL; |
Jan Kiszka | d410515 | 2012-08-23 13:02:29 +0200 | [diff] [blame] | 818 | mr->flush_coalesced_mmio = false; |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 819 | } |
| 820 | |
| 821 | static bool memory_region_access_valid(MemoryRegion *mr, |
| 822 | target_phys_addr_t addr, |
Avi Kivity | 897fa7c | 2011-11-13 13:05:27 +0200 | [diff] [blame] | 823 | unsigned size, |
| 824 | bool is_write) |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 825 | { |
Avi Kivity | 897fa7c | 2011-11-13 13:05:27 +0200 | [diff] [blame] | 826 | if (mr->ops->valid.accepts |
| 827 | && !mr->ops->valid.accepts(mr->opaque, addr, size, is_write)) { |
| 828 | return false; |
| 829 | } |
| 830 | |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 831 | if (!mr->ops->valid.unaligned && (addr & (size - 1))) { |
| 832 | return false; |
| 833 | } |
| 834 | |
| 835 | /* Treat zero as compatibility all valid */ |
| 836 | if (!mr->ops->valid.max_access_size) { |
| 837 | return true; |
| 838 | } |
| 839 | |
| 840 | if (size > mr->ops->valid.max_access_size |
| 841 | || size < mr->ops->valid.min_access_size) { |
| 842 | return false; |
| 843 | } |
| 844 | return true; |
| 845 | } |
| 846 | |
Avi Kivity | a621f38 | 2012-01-02 13:12:08 +0200 | [diff] [blame] | 847 | static uint64_t memory_region_dispatch_read1(MemoryRegion *mr, |
| 848 | target_phys_addr_t addr, |
| 849 | unsigned size) |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 850 | { |
Avi Kivity | 164a4dc | 2011-08-11 10:40:25 +0300 | [diff] [blame] | 851 | uint64_t data = 0; |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 852 | |
Avi Kivity | 897fa7c | 2011-11-13 13:05:27 +0200 | [diff] [blame] | 853 | if (!memory_region_access_valid(mr, addr, size, false)) { |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 854 | return -1U; /* FIXME: better signalling */ |
| 855 | } |
| 856 | |
Avi Kivity | 74901c3 | 2011-07-26 14:26:10 +0300 | [diff] [blame] | 857 | if (!mr->ops->read) { |
| 858 | return mr->ops->old_mmio.read[bitops_ffsl(size)](mr->opaque, addr); |
| 859 | } |
| 860 | |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 861 | /* FIXME: support unaligned access */ |
Avi Kivity | 2b50aa1 | 2012-01-08 19:51:35 +0200 | [diff] [blame] | 862 | access_with_adjusted_size(addr, &data, size, |
Avi Kivity | 164a4dc | 2011-08-11 10:40:25 +0300 | [diff] [blame] | 863 | mr->ops->impl.min_access_size, |
| 864 | mr->ops->impl.max_access_size, |
| 865 | memory_region_read_accessor, mr); |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 866 | |
| 867 | return data; |
| 868 | } |
| 869 | |
Avi Kivity | a621f38 | 2012-01-02 13:12:08 +0200 | [diff] [blame] | 870 | static void adjust_endianness(MemoryRegion *mr, uint64_t *data, unsigned size) |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 871 | { |
Avi Kivity | a621f38 | 2012-01-02 13:12:08 +0200 | [diff] [blame] | 872 | if (memory_region_wrong_endianness(mr)) { |
| 873 | switch (size) { |
| 874 | case 1: |
| 875 | break; |
| 876 | case 2: |
| 877 | *data = bswap16(*data); |
| 878 | break; |
| 879 | case 4: |
| 880 | *data = bswap32(*data); |
Andreas Färber | 1470a0c | 2012-01-07 09:45:15 +0100 | [diff] [blame] | 881 | break; |
Avi Kivity | a621f38 | 2012-01-02 13:12:08 +0200 | [diff] [blame] | 882 | default: |
| 883 | abort(); |
| 884 | } |
| 885 | } |
| 886 | } |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 887 | |
Avi Kivity | a621f38 | 2012-01-02 13:12:08 +0200 | [diff] [blame] | 888 | static uint64_t memory_region_dispatch_read(MemoryRegion *mr, |
| 889 | target_phys_addr_t addr, |
| 890 | unsigned size) |
| 891 | { |
| 892 | uint64_t ret; |
| 893 | |
| 894 | ret = memory_region_dispatch_read1(mr, addr, size); |
| 895 | adjust_endianness(mr, &ret, size); |
| 896 | return ret; |
| 897 | } |
| 898 | |
| 899 | static void memory_region_dispatch_write(MemoryRegion *mr, |
| 900 | target_phys_addr_t addr, |
| 901 | uint64_t data, |
| 902 | unsigned size) |
| 903 | { |
Avi Kivity | 897fa7c | 2011-11-13 13:05:27 +0200 | [diff] [blame] | 904 | if (!memory_region_access_valid(mr, addr, size, true)) { |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 905 | return; /* FIXME: better signalling */ |
| 906 | } |
| 907 | |
Avi Kivity | a621f38 | 2012-01-02 13:12:08 +0200 | [diff] [blame] | 908 | adjust_endianness(mr, &data, size); |
| 909 | |
Avi Kivity | 74901c3 | 2011-07-26 14:26:10 +0300 | [diff] [blame] | 910 | if (!mr->ops->write) { |
| 911 | mr->ops->old_mmio.write[bitops_ffsl(size)](mr->opaque, addr, data); |
| 912 | return; |
| 913 | } |
| 914 | |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 915 | /* FIXME: support unaligned access */ |
Avi Kivity | 2b50aa1 | 2012-01-08 19:51:35 +0200 | [diff] [blame] | 916 | access_with_adjusted_size(addr, &data, size, |
Avi Kivity | 164a4dc | 2011-08-11 10:40:25 +0300 | [diff] [blame] | 917 | mr->ops->impl.min_access_size, |
| 918 | mr->ops->impl.max_access_size, |
| 919 | memory_region_write_accessor, mr); |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 920 | } |
| 921 | |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 922 | void memory_region_init_io(MemoryRegion *mr, |
| 923 | const MemoryRegionOps *ops, |
| 924 | void *opaque, |
| 925 | const char *name, |
| 926 | uint64_t size) |
| 927 | { |
| 928 | memory_region_init(mr, name, size); |
| 929 | mr->ops = ops; |
| 930 | mr->opaque = opaque; |
Avi Kivity | 14a3c10 | 2011-07-26 14:26:06 +0300 | [diff] [blame] | 931 | mr->terminates = true; |
Avi Kivity | 26a83ad | 2012-01-01 18:02:31 +0200 | [diff] [blame] | 932 | mr->destructor = memory_region_destructor_iomem; |
Avi Kivity | 97161e1 | 2012-03-08 19:16:39 +0200 | [diff] [blame] | 933 | mr->ram_addr = ~(ram_addr_t)0; |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 934 | } |
| 935 | |
| 936 | void memory_region_init_ram(MemoryRegion *mr, |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 937 | const char *name, |
| 938 | uint64_t size) |
| 939 | { |
| 940 | memory_region_init(mr, name, size); |
Avi Kivity | 8ea9252 | 2011-12-08 15:58:43 +0200 | [diff] [blame] | 941 | mr->ram = true; |
Avi Kivity | 14a3c10 | 2011-07-26 14:26:06 +0300 | [diff] [blame] | 942 | mr->terminates = true; |
Avi Kivity | 545e92e | 2011-08-08 19:58:48 +0300 | [diff] [blame] | 943 | mr->destructor = memory_region_destructor_ram; |
Avi Kivity | c5705a7 | 2011-12-20 15:59:12 +0200 | [diff] [blame] | 944 | mr->ram_addr = qemu_ram_alloc(size, mr); |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 945 | } |
| 946 | |
| 947 | void memory_region_init_ram_ptr(MemoryRegion *mr, |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 948 | const char *name, |
| 949 | uint64_t size, |
| 950 | void *ptr) |
| 951 | { |
| 952 | memory_region_init(mr, name, size); |
Avi Kivity | 8ea9252 | 2011-12-08 15:58:43 +0200 | [diff] [blame] | 953 | mr->ram = true; |
Avi Kivity | 14a3c10 | 2011-07-26 14:26:06 +0300 | [diff] [blame] | 954 | mr->terminates = true; |
Avi Kivity | 545e92e | 2011-08-08 19:58:48 +0300 | [diff] [blame] | 955 | mr->destructor = memory_region_destructor_ram_from_ptr; |
Avi Kivity | c5705a7 | 2011-12-20 15:59:12 +0200 | [diff] [blame] | 956 | mr->ram_addr = qemu_ram_alloc_from_ptr(size, ptr, mr); |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 957 | } |
| 958 | |
| 959 | void memory_region_init_alias(MemoryRegion *mr, |
| 960 | const char *name, |
| 961 | MemoryRegion *orig, |
| 962 | target_phys_addr_t offset, |
| 963 | uint64_t size) |
| 964 | { |
| 965 | memory_region_init(mr, name, size); |
| 966 | mr->alias = orig; |
| 967 | mr->alias_offset = offset; |
| 968 | } |
| 969 | |
Avi Kivity | d0a9b5b | 2011-08-08 19:58:49 +0300 | [diff] [blame] | 970 | void memory_region_init_rom_device(MemoryRegion *mr, |
| 971 | const MemoryRegionOps *ops, |
Avi Kivity | 75f5941 | 2011-08-26 00:35:15 +0300 | [diff] [blame] | 972 | void *opaque, |
Avi Kivity | d0a9b5b | 2011-08-08 19:58:49 +0300 | [diff] [blame] | 973 | const char *name, |
| 974 | uint64_t size) |
| 975 | { |
| 976 | memory_region_init(mr, name, size); |
Avi Kivity | 7bc2b9c | 2011-08-25 14:56:14 +0300 | [diff] [blame] | 977 | mr->ops = ops; |
Avi Kivity | 75f5941 | 2011-08-26 00:35:15 +0300 | [diff] [blame] | 978 | mr->opaque = opaque; |
Avi Kivity | d0a9b5b | 2011-08-08 19:58:49 +0300 | [diff] [blame] | 979 | mr->terminates = true; |
Avi Kivity | 75c578d | 2012-01-02 15:40:52 +0200 | [diff] [blame] | 980 | mr->rom_device = true; |
Avi Kivity | d0a9b5b | 2011-08-08 19:58:49 +0300 | [diff] [blame] | 981 | mr->destructor = memory_region_destructor_rom_device; |
Avi Kivity | c5705a7 | 2011-12-20 15:59:12 +0200 | [diff] [blame] | 982 | mr->ram_addr = qemu_ram_alloc(size, mr); |
Avi Kivity | d0a9b5b | 2011-08-08 19:58:49 +0300 | [diff] [blame] | 983 | } |
| 984 | |
Jan Kiszka | 1660e72 | 2011-10-23 16:01:19 +0200 | [diff] [blame] | 985 | static uint64_t invalid_read(void *opaque, target_phys_addr_t addr, |
| 986 | unsigned size) |
| 987 | { |
| 988 | MemoryRegion *mr = opaque; |
| 989 | |
| 990 | if (!mr->warning_printed) { |
| 991 | fprintf(stderr, "Invalid read from memory region %s\n", mr->name); |
| 992 | mr->warning_printed = true; |
| 993 | } |
| 994 | return -1U; |
| 995 | } |
| 996 | |
| 997 | static void invalid_write(void *opaque, target_phys_addr_t addr, uint64_t data, |
| 998 | unsigned size) |
| 999 | { |
| 1000 | MemoryRegion *mr = opaque; |
| 1001 | |
| 1002 | if (!mr->warning_printed) { |
| 1003 | fprintf(stderr, "Invalid write to memory region %s\n", mr->name); |
| 1004 | mr->warning_printed = true; |
| 1005 | } |
| 1006 | } |
| 1007 | |
| 1008 | static const MemoryRegionOps reservation_ops = { |
| 1009 | .read = invalid_read, |
| 1010 | .write = invalid_write, |
| 1011 | .endianness = DEVICE_NATIVE_ENDIAN, |
| 1012 | }; |
| 1013 | |
| 1014 | void memory_region_init_reservation(MemoryRegion *mr, |
| 1015 | const char *name, |
| 1016 | uint64_t size) |
| 1017 | { |
| 1018 | memory_region_init_io(mr, &reservation_ops, mr, name, size); |
| 1019 | } |
| 1020 | |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 1021 | void memory_region_destroy(MemoryRegion *mr) |
| 1022 | { |
| 1023 | assert(QTAILQ_EMPTY(&mr->subregions)); |
Avi Kivity | 545e92e | 2011-08-08 19:58:48 +0300 | [diff] [blame] | 1024 | mr->destructor(mr); |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 1025 | memory_region_clear_coalescing(mr); |
Anthony Liguori | 7267c09 | 2011-08-20 22:09:37 -0500 | [diff] [blame] | 1026 | g_free((char *)mr->name); |
| 1027 | g_free(mr->ioeventfds); |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 1028 | } |
| 1029 | |
| 1030 | uint64_t memory_region_size(MemoryRegion *mr) |
| 1031 | { |
Avi Kivity | 08dafab | 2011-10-16 13:19:17 +0200 | [diff] [blame] | 1032 | if (int128_eq(mr->size, int128_2_64())) { |
| 1033 | return UINT64_MAX; |
| 1034 | } |
| 1035 | return int128_get64(mr->size); |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 1036 | } |
| 1037 | |
Avi Kivity | 8991c79 | 2011-12-20 15:53:11 +0200 | [diff] [blame] | 1038 | const char *memory_region_name(MemoryRegion *mr) |
| 1039 | { |
| 1040 | return mr->name; |
| 1041 | } |
| 1042 | |
Avi Kivity | 8ea9252 | 2011-12-08 15:58:43 +0200 | [diff] [blame] | 1043 | bool memory_region_is_ram(MemoryRegion *mr) |
| 1044 | { |
| 1045 | return mr->ram; |
| 1046 | } |
| 1047 | |
Avi Kivity | 55043ba | 2011-12-15 17:20:34 +0200 | [diff] [blame] | 1048 | bool memory_region_is_logging(MemoryRegion *mr) |
| 1049 | { |
| 1050 | return mr->dirty_log_mask; |
| 1051 | } |
| 1052 | |
Avi Kivity | ce7923d | 2011-12-08 16:05:11 +0200 | [diff] [blame] | 1053 | bool memory_region_is_rom(MemoryRegion *mr) |
| 1054 | { |
| 1055 | return mr->ram && mr->readonly; |
| 1056 | } |
| 1057 | |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 1058 | void memory_region_set_log(MemoryRegion *mr, bool log, unsigned client) |
| 1059 | { |
Avi Kivity | 5a58334 | 2011-07-26 14:26:02 +0300 | [diff] [blame] | 1060 | uint8_t mask = 1 << client; |
| 1061 | |
Jan Kiszka | 59023ef | 2012-08-23 13:02:30 +0200 | [diff] [blame] | 1062 | memory_region_transaction_begin(); |
Avi Kivity | 5a58334 | 2011-07-26 14:26:02 +0300 | [diff] [blame] | 1063 | mr->dirty_log_mask = (mr->dirty_log_mask & ~mask) | (log * mask); |
Jan Kiszka | 59023ef | 2012-08-23 13:02:30 +0200 | [diff] [blame] | 1064 | memory_region_transaction_commit(); |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 1065 | } |
| 1066 | |
| 1067 | bool memory_region_get_dirty(MemoryRegion *mr, target_phys_addr_t addr, |
Blue Swirl | cd7a45c | 2012-01-22 16:38:21 +0000 | [diff] [blame] | 1068 | target_phys_addr_t size, unsigned client) |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 1069 | { |
Avi Kivity | 14a3c10 | 2011-07-26 14:26:06 +0300 | [diff] [blame] | 1070 | assert(mr->terminates); |
Blue Swirl | cd7a45c | 2012-01-22 16:38:21 +0000 | [diff] [blame] | 1071 | return cpu_physical_memory_get_dirty(mr->ram_addr + addr, size, |
| 1072 | 1 << client); |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 1073 | } |
| 1074 | |
Blue Swirl | fd4aa97 | 2011-10-16 16:04:59 +0000 | [diff] [blame] | 1075 | void memory_region_set_dirty(MemoryRegion *mr, target_phys_addr_t addr, |
| 1076 | target_phys_addr_t size) |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 1077 | { |
Avi Kivity | 14a3c10 | 2011-07-26 14:26:06 +0300 | [diff] [blame] | 1078 | assert(mr->terminates); |
Blue Swirl | fd4aa97 | 2011-10-16 16:04:59 +0000 | [diff] [blame] | 1079 | return cpu_physical_memory_set_dirty_range(mr->ram_addr + addr, size, -1); |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 1080 | } |
| 1081 | |
| 1082 | void memory_region_sync_dirty_bitmap(MemoryRegion *mr) |
| 1083 | { |
Avi Kivity | 0d673e3 | 2012-10-02 15:28:50 +0200 | [diff] [blame] | 1084 | AddressSpace *as; |
Avi Kivity | 5a58334 | 2011-07-26 14:26:02 +0300 | [diff] [blame] | 1085 | FlatRange *fr; |
| 1086 | |
Avi Kivity | 0d673e3 | 2012-10-02 15:28:50 +0200 | [diff] [blame] | 1087 | QTAILQ_FOREACH(as, &address_spaces, address_spaces_link) { |
| 1088 | FOR_EACH_FLAT_RANGE(fr, as->current_map) { |
| 1089 | if (fr->mr == mr) { |
| 1090 | MEMORY_LISTENER_UPDATE_REGION(fr, as, Forward, log_sync); |
| 1091 | } |
Avi Kivity | 5a58334 | 2011-07-26 14:26:02 +0300 | [diff] [blame] | 1092 | } |
| 1093 | } |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 1094 | } |
| 1095 | |
| 1096 | void memory_region_set_readonly(MemoryRegion *mr, bool readonly) |
| 1097 | { |
Avi Kivity | fb1cd6f | 2011-09-25 14:48:47 +0300 | [diff] [blame] | 1098 | if (mr->readonly != readonly) { |
Jan Kiszka | 59023ef | 2012-08-23 13:02:30 +0200 | [diff] [blame] | 1099 | memory_region_transaction_begin(); |
Avi Kivity | fb1cd6f | 2011-09-25 14:48:47 +0300 | [diff] [blame] | 1100 | mr->readonly = readonly; |
Jan Kiszka | 59023ef | 2012-08-23 13:02:30 +0200 | [diff] [blame] | 1101 | memory_region_transaction_commit(); |
Avi Kivity | fb1cd6f | 2011-09-25 14:48:47 +0300 | [diff] [blame] | 1102 | } |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 1103 | } |
| 1104 | |
Avi Kivity | d0a9b5b | 2011-08-08 19:58:49 +0300 | [diff] [blame] | 1105 | void memory_region_rom_device_set_readable(MemoryRegion *mr, bool readable) |
| 1106 | { |
| 1107 | if (mr->readable != readable) { |
Jan Kiszka | 59023ef | 2012-08-23 13:02:30 +0200 | [diff] [blame] | 1108 | memory_region_transaction_begin(); |
Avi Kivity | d0a9b5b | 2011-08-08 19:58:49 +0300 | [diff] [blame] | 1109 | mr->readable = readable; |
Jan Kiszka | 59023ef | 2012-08-23 13:02:30 +0200 | [diff] [blame] | 1110 | memory_region_transaction_commit(); |
Avi Kivity | d0a9b5b | 2011-08-08 19:58:49 +0300 | [diff] [blame] | 1111 | } |
| 1112 | } |
| 1113 | |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 1114 | void memory_region_reset_dirty(MemoryRegion *mr, target_phys_addr_t addr, |
| 1115 | target_phys_addr_t size, unsigned client) |
| 1116 | { |
Avi Kivity | 14a3c10 | 2011-07-26 14:26:06 +0300 | [diff] [blame] | 1117 | assert(mr->terminates); |
Avi Kivity | 5a58334 | 2011-07-26 14:26:02 +0300 | [diff] [blame] | 1118 | cpu_physical_memory_reset_dirty(mr->ram_addr + addr, |
| 1119 | mr->ram_addr + addr + size, |
| 1120 | 1 << client); |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 1121 | } |
| 1122 | |
| 1123 | void *memory_region_get_ram_ptr(MemoryRegion *mr) |
| 1124 | { |
| 1125 | if (mr->alias) { |
| 1126 | return memory_region_get_ram_ptr(mr->alias) + mr->alias_offset; |
| 1127 | } |
| 1128 | |
Avi Kivity | 14a3c10 | 2011-07-26 14:26:06 +0300 | [diff] [blame] | 1129 | assert(mr->terminates); |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 1130 | |
Jan Kiszka | 021d26d | 2011-08-30 00:38:24 +0200 | [diff] [blame] | 1131 | return qemu_get_ram_ptr(mr->ram_addr & TARGET_PAGE_MASK); |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 1132 | } |
| 1133 | |
Avi Kivity | 0d673e3 | 2012-10-02 15:28:50 +0200 | [diff] [blame] | 1134 | static void memory_region_update_coalesced_range_as(MemoryRegion *mr, AddressSpace *as) |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 1135 | { |
| 1136 | FlatRange *fr; |
| 1137 | CoalescedMemoryRange *cmr; |
| 1138 | AddrRange tmp; |
| 1139 | |
Avi Kivity | 0d673e3 | 2012-10-02 15:28:50 +0200 | [diff] [blame] | 1140 | FOR_EACH_FLAT_RANGE(fr, as->current_map) { |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 1141 | if (fr->mr == mr) { |
Avi Kivity | 08dafab | 2011-10-16 13:19:17 +0200 | [diff] [blame] | 1142 | qemu_unregister_coalesced_mmio(int128_get64(fr->addr.start), |
| 1143 | int128_get64(fr->addr.size)); |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 1144 | QTAILQ_FOREACH(cmr, &mr->coalesced, link) { |
| 1145 | tmp = addrrange_shift(cmr->addr, |
Avi Kivity | 08dafab | 2011-10-16 13:19:17 +0200 | [diff] [blame] | 1146 | int128_sub(fr->addr.start, |
| 1147 | int128_make64(fr->offset_in_region))); |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 1148 | if (!addrrange_intersects(tmp, fr->addr)) { |
| 1149 | continue; |
| 1150 | } |
| 1151 | tmp = addrrange_intersection(tmp, fr->addr); |
Avi Kivity | 08dafab | 2011-10-16 13:19:17 +0200 | [diff] [blame] | 1152 | qemu_register_coalesced_mmio(int128_get64(tmp.start), |
| 1153 | int128_get64(tmp.size)); |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 1154 | } |
| 1155 | } |
| 1156 | } |
| 1157 | } |
| 1158 | |
Avi Kivity | 0d673e3 | 2012-10-02 15:28:50 +0200 | [diff] [blame] | 1159 | static void memory_region_update_coalesced_range(MemoryRegion *mr) |
| 1160 | { |
| 1161 | AddressSpace *as; |
| 1162 | |
| 1163 | QTAILQ_FOREACH(as, &address_spaces, address_spaces_link) { |
| 1164 | memory_region_update_coalesced_range_as(mr, as); |
| 1165 | } |
| 1166 | } |
| 1167 | |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 1168 | void memory_region_set_coalescing(MemoryRegion *mr) |
| 1169 | { |
| 1170 | memory_region_clear_coalescing(mr); |
Avi Kivity | 08dafab | 2011-10-16 13:19:17 +0200 | [diff] [blame] | 1171 | memory_region_add_coalescing(mr, 0, int128_get64(mr->size)); |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 1172 | } |
| 1173 | |
| 1174 | void memory_region_add_coalescing(MemoryRegion *mr, |
| 1175 | target_phys_addr_t offset, |
| 1176 | uint64_t size) |
| 1177 | { |
Anthony Liguori | 7267c09 | 2011-08-20 22:09:37 -0500 | [diff] [blame] | 1178 | CoalescedMemoryRange *cmr = g_malloc(sizeof(*cmr)); |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 1179 | |
Avi Kivity | 08dafab | 2011-10-16 13:19:17 +0200 | [diff] [blame] | 1180 | cmr->addr = addrrange_make(int128_make64(offset), int128_make64(size)); |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 1181 | QTAILQ_INSERT_TAIL(&mr->coalesced, cmr, link); |
| 1182 | memory_region_update_coalesced_range(mr); |
Jan Kiszka | d410515 | 2012-08-23 13:02:29 +0200 | [diff] [blame] | 1183 | memory_region_set_flush_coalesced(mr); |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 1184 | } |
| 1185 | |
| 1186 | void memory_region_clear_coalescing(MemoryRegion *mr) |
| 1187 | { |
| 1188 | CoalescedMemoryRange *cmr; |
| 1189 | |
Jan Kiszka | d410515 | 2012-08-23 13:02:29 +0200 | [diff] [blame] | 1190 | qemu_flush_coalesced_mmio_buffer(); |
| 1191 | mr->flush_coalesced_mmio = false; |
| 1192 | |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 1193 | while (!QTAILQ_EMPTY(&mr->coalesced)) { |
| 1194 | cmr = QTAILQ_FIRST(&mr->coalesced); |
| 1195 | QTAILQ_REMOVE(&mr->coalesced, cmr, link); |
Anthony Liguori | 7267c09 | 2011-08-20 22:09:37 -0500 | [diff] [blame] | 1196 | g_free(cmr); |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 1197 | } |
| 1198 | memory_region_update_coalesced_range(mr); |
| 1199 | } |
| 1200 | |
Jan Kiszka | d410515 | 2012-08-23 13:02:29 +0200 | [diff] [blame] | 1201 | void memory_region_set_flush_coalesced(MemoryRegion *mr) |
| 1202 | { |
| 1203 | mr->flush_coalesced_mmio = true; |
| 1204 | } |
| 1205 | |
| 1206 | void memory_region_clear_flush_coalesced(MemoryRegion *mr) |
| 1207 | { |
| 1208 | qemu_flush_coalesced_mmio_buffer(); |
| 1209 | if (QTAILQ_EMPTY(&mr->coalesced)) { |
| 1210 | mr->flush_coalesced_mmio = false; |
| 1211 | } |
| 1212 | } |
| 1213 | |
Avi Kivity | 3e9d69e | 2011-07-26 14:26:11 +0300 | [diff] [blame] | 1214 | void memory_region_add_eventfd(MemoryRegion *mr, |
| 1215 | target_phys_addr_t addr, |
| 1216 | unsigned size, |
| 1217 | bool match_data, |
| 1218 | uint64_t data, |
Paolo Bonzini | 753d5e1 | 2012-07-05 17:16:27 +0200 | [diff] [blame] | 1219 | EventNotifier *e) |
Avi Kivity | 3e9d69e | 2011-07-26 14:26:11 +0300 | [diff] [blame] | 1220 | { |
| 1221 | MemoryRegionIoeventfd mrfd = { |
Avi Kivity | 08dafab | 2011-10-16 13:19:17 +0200 | [diff] [blame] | 1222 | .addr.start = int128_make64(addr), |
| 1223 | .addr.size = int128_make64(size), |
Avi Kivity | 3e9d69e | 2011-07-26 14:26:11 +0300 | [diff] [blame] | 1224 | .match_data = match_data, |
| 1225 | .data = data, |
Paolo Bonzini | 753d5e1 | 2012-07-05 17:16:27 +0200 | [diff] [blame] | 1226 | .e = e, |
Avi Kivity | 3e9d69e | 2011-07-26 14:26:11 +0300 | [diff] [blame] | 1227 | }; |
| 1228 | unsigned i; |
| 1229 | |
Jan Kiszka | 59023ef | 2012-08-23 13:02:30 +0200 | [diff] [blame] | 1230 | memory_region_transaction_begin(); |
Avi Kivity | 3e9d69e | 2011-07-26 14:26:11 +0300 | [diff] [blame] | 1231 | for (i = 0; i < mr->ioeventfd_nb; ++i) { |
| 1232 | if (memory_region_ioeventfd_before(mrfd, mr->ioeventfds[i])) { |
| 1233 | break; |
| 1234 | } |
| 1235 | } |
| 1236 | ++mr->ioeventfd_nb; |
Anthony Liguori | 7267c09 | 2011-08-20 22:09:37 -0500 | [diff] [blame] | 1237 | mr->ioeventfds = g_realloc(mr->ioeventfds, |
Avi Kivity | 3e9d69e | 2011-07-26 14:26:11 +0300 | [diff] [blame] | 1238 | sizeof(*mr->ioeventfds) * mr->ioeventfd_nb); |
| 1239 | memmove(&mr->ioeventfds[i+1], &mr->ioeventfds[i], |
| 1240 | sizeof(*mr->ioeventfds) * (mr->ioeventfd_nb-1 - i)); |
| 1241 | mr->ioeventfds[i] = mrfd; |
Jan Kiszka | 59023ef | 2012-08-23 13:02:30 +0200 | [diff] [blame] | 1242 | memory_region_transaction_commit(); |
Avi Kivity | 3e9d69e | 2011-07-26 14:26:11 +0300 | [diff] [blame] | 1243 | } |
| 1244 | |
| 1245 | void memory_region_del_eventfd(MemoryRegion *mr, |
| 1246 | target_phys_addr_t addr, |
| 1247 | unsigned size, |
| 1248 | bool match_data, |
| 1249 | uint64_t data, |
Paolo Bonzini | 753d5e1 | 2012-07-05 17:16:27 +0200 | [diff] [blame] | 1250 | EventNotifier *e) |
Avi Kivity | 3e9d69e | 2011-07-26 14:26:11 +0300 | [diff] [blame] | 1251 | { |
| 1252 | MemoryRegionIoeventfd mrfd = { |
Avi Kivity | 08dafab | 2011-10-16 13:19:17 +0200 | [diff] [blame] | 1253 | .addr.start = int128_make64(addr), |
| 1254 | .addr.size = int128_make64(size), |
Avi Kivity | 3e9d69e | 2011-07-26 14:26:11 +0300 | [diff] [blame] | 1255 | .match_data = match_data, |
| 1256 | .data = data, |
Paolo Bonzini | 753d5e1 | 2012-07-05 17:16:27 +0200 | [diff] [blame] | 1257 | .e = e, |
Avi Kivity | 3e9d69e | 2011-07-26 14:26:11 +0300 | [diff] [blame] | 1258 | }; |
| 1259 | unsigned i; |
| 1260 | |
Jan Kiszka | 59023ef | 2012-08-23 13:02:30 +0200 | [diff] [blame] | 1261 | memory_region_transaction_begin(); |
Avi Kivity | 3e9d69e | 2011-07-26 14:26:11 +0300 | [diff] [blame] | 1262 | for (i = 0; i < mr->ioeventfd_nb; ++i) { |
| 1263 | if (memory_region_ioeventfd_equal(mrfd, mr->ioeventfds[i])) { |
| 1264 | break; |
| 1265 | } |
| 1266 | } |
| 1267 | assert(i != mr->ioeventfd_nb); |
| 1268 | memmove(&mr->ioeventfds[i], &mr->ioeventfds[i+1], |
| 1269 | sizeof(*mr->ioeventfds) * (mr->ioeventfd_nb - (i+1))); |
| 1270 | --mr->ioeventfd_nb; |
Anthony Liguori | 7267c09 | 2011-08-20 22:09:37 -0500 | [diff] [blame] | 1271 | mr->ioeventfds = g_realloc(mr->ioeventfds, |
Avi Kivity | 3e9d69e | 2011-07-26 14:26:11 +0300 | [diff] [blame] | 1272 | sizeof(*mr->ioeventfds)*mr->ioeventfd_nb + 1); |
Jan Kiszka | 59023ef | 2012-08-23 13:02:30 +0200 | [diff] [blame] | 1273 | memory_region_transaction_commit(); |
Avi Kivity | 3e9d69e | 2011-07-26 14:26:11 +0300 | [diff] [blame] | 1274 | } |
| 1275 | |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 1276 | static void memory_region_add_subregion_common(MemoryRegion *mr, |
| 1277 | target_phys_addr_t offset, |
| 1278 | MemoryRegion *subregion) |
| 1279 | { |
| 1280 | MemoryRegion *other; |
| 1281 | |
Jan Kiszka | 59023ef | 2012-08-23 13:02:30 +0200 | [diff] [blame] | 1282 | memory_region_transaction_begin(); |
| 1283 | |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 1284 | assert(!subregion->parent); |
| 1285 | subregion->parent = mr; |
| 1286 | subregion->addr = offset; |
| 1287 | QTAILQ_FOREACH(other, &mr->subregions, subregions_link) { |
| 1288 | if (subregion->may_overlap || other->may_overlap) { |
| 1289 | continue; |
| 1290 | } |
Avi Kivity | 08dafab | 2011-10-16 13:19:17 +0200 | [diff] [blame] | 1291 | if (int128_gt(int128_make64(offset), |
| 1292 | int128_add(int128_make64(other->addr), other->size)) |
| 1293 | || int128_le(int128_add(int128_make64(offset), subregion->size), |
| 1294 | int128_make64(other->addr))) { |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 1295 | continue; |
| 1296 | } |
Anthony Liguori | a5e1cbc | 2011-08-22 11:14:56 -0500 | [diff] [blame] | 1297 | #if 0 |
Michael Walle | 860329b | 2011-09-15 23:16:49 +0200 | [diff] [blame] | 1298 | printf("warning: subregion collision %llx/%llx (%s) " |
| 1299 | "vs %llx/%llx (%s)\n", |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 1300 | (unsigned long long)offset, |
Avi Kivity | 08dafab | 2011-10-16 13:19:17 +0200 | [diff] [blame] | 1301 | (unsigned long long)int128_get64(subregion->size), |
Michael Walle | 860329b | 2011-09-15 23:16:49 +0200 | [diff] [blame] | 1302 | subregion->name, |
| 1303 | (unsigned long long)other->addr, |
Avi Kivity | 08dafab | 2011-10-16 13:19:17 +0200 | [diff] [blame] | 1304 | (unsigned long long)int128_get64(other->size), |
Michael Walle | 860329b | 2011-09-15 23:16:49 +0200 | [diff] [blame] | 1305 | other->name); |
Anthony Liguori | a5e1cbc | 2011-08-22 11:14:56 -0500 | [diff] [blame] | 1306 | #endif |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 1307 | } |
| 1308 | QTAILQ_FOREACH(other, &mr->subregions, subregions_link) { |
| 1309 | if (subregion->priority >= other->priority) { |
| 1310 | QTAILQ_INSERT_BEFORE(other, subregion, subregions_link); |
| 1311 | goto done; |
| 1312 | } |
| 1313 | } |
| 1314 | QTAILQ_INSERT_TAIL(&mr->subregions, subregion, subregions_link); |
| 1315 | done: |
Jan Kiszka | 59023ef | 2012-08-23 13:02:30 +0200 | [diff] [blame] | 1316 | memory_region_transaction_commit(); |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 1317 | } |
| 1318 | |
| 1319 | |
| 1320 | void memory_region_add_subregion(MemoryRegion *mr, |
| 1321 | target_phys_addr_t offset, |
| 1322 | MemoryRegion *subregion) |
| 1323 | { |
| 1324 | subregion->may_overlap = false; |
| 1325 | subregion->priority = 0; |
| 1326 | memory_region_add_subregion_common(mr, offset, subregion); |
| 1327 | } |
| 1328 | |
| 1329 | void memory_region_add_subregion_overlap(MemoryRegion *mr, |
| 1330 | target_phys_addr_t offset, |
| 1331 | MemoryRegion *subregion, |
| 1332 | unsigned priority) |
| 1333 | { |
| 1334 | subregion->may_overlap = true; |
| 1335 | subregion->priority = priority; |
| 1336 | memory_region_add_subregion_common(mr, offset, subregion); |
| 1337 | } |
| 1338 | |
| 1339 | void memory_region_del_subregion(MemoryRegion *mr, |
| 1340 | MemoryRegion *subregion) |
| 1341 | { |
Jan Kiszka | 59023ef | 2012-08-23 13:02:30 +0200 | [diff] [blame] | 1342 | memory_region_transaction_begin(); |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 1343 | assert(subregion->parent == mr); |
| 1344 | subregion->parent = NULL; |
| 1345 | QTAILQ_REMOVE(&mr->subregions, subregion, subregions_link); |
Jan Kiszka | 59023ef | 2012-08-23 13:02:30 +0200 | [diff] [blame] | 1346 | memory_region_transaction_commit(); |
Avi Kivity | 6bba19b | 2011-09-14 11:54:58 +0300 | [diff] [blame] | 1347 | } |
| 1348 | |
| 1349 | void memory_region_set_enabled(MemoryRegion *mr, bool enabled) |
| 1350 | { |
| 1351 | if (enabled == mr->enabled) { |
| 1352 | return; |
| 1353 | } |
Jan Kiszka | 59023ef | 2012-08-23 13:02:30 +0200 | [diff] [blame] | 1354 | memory_region_transaction_begin(); |
Avi Kivity | 6bba19b | 2011-09-14 11:54:58 +0300 | [diff] [blame] | 1355 | mr->enabled = enabled; |
Jan Kiszka | 59023ef | 2012-08-23 13:02:30 +0200 | [diff] [blame] | 1356 | memory_region_transaction_commit(); |
Avi Kivity | 093bc2c | 2011-07-26 14:26:01 +0300 | [diff] [blame] | 1357 | } |
Avi Kivity | 1c0ffa5 | 2011-07-26 14:26:04 +0300 | [diff] [blame] | 1358 | |
Avi Kivity | 2282e1a | 2011-09-14 12:10:12 +0300 | [diff] [blame] | 1359 | void memory_region_set_address(MemoryRegion *mr, target_phys_addr_t addr) |
| 1360 | { |
| 1361 | MemoryRegion *parent = mr->parent; |
| 1362 | unsigned priority = mr->priority; |
| 1363 | bool may_overlap = mr->may_overlap; |
| 1364 | |
| 1365 | if (addr == mr->addr || !parent) { |
| 1366 | mr->addr = addr; |
| 1367 | return; |
| 1368 | } |
| 1369 | |
| 1370 | memory_region_transaction_begin(); |
| 1371 | memory_region_del_subregion(parent, mr); |
| 1372 | if (may_overlap) { |
| 1373 | memory_region_add_subregion_overlap(parent, addr, mr, priority); |
| 1374 | } else { |
| 1375 | memory_region_add_subregion(parent, addr, mr); |
| 1376 | } |
| 1377 | memory_region_transaction_commit(); |
| 1378 | } |
| 1379 | |
Avi Kivity | 4703359 | 2011-12-04 19:16:50 +0200 | [diff] [blame] | 1380 | void memory_region_set_alias_offset(MemoryRegion *mr, target_phys_addr_t offset) |
| 1381 | { |
Avi Kivity | 4703359 | 2011-12-04 19:16:50 +0200 | [diff] [blame] | 1382 | assert(mr->alias); |
Avi Kivity | 4703359 | 2011-12-04 19:16:50 +0200 | [diff] [blame] | 1383 | |
Jan Kiszka | 59023ef | 2012-08-23 13:02:30 +0200 | [diff] [blame] | 1384 | if (offset == mr->alias_offset) { |
Avi Kivity | 4703359 | 2011-12-04 19:16:50 +0200 | [diff] [blame] | 1385 | return; |
| 1386 | } |
| 1387 | |
Jan Kiszka | 59023ef | 2012-08-23 13:02:30 +0200 | [diff] [blame] | 1388 | memory_region_transaction_begin(); |
| 1389 | mr->alias_offset = offset; |
| 1390 | memory_region_transaction_commit(); |
Avi Kivity | 4703359 | 2011-12-04 19:16:50 +0200 | [diff] [blame] | 1391 | } |
| 1392 | |
Avi Kivity | e34911c | 2011-12-19 12:06:23 +0200 | [diff] [blame] | 1393 | ram_addr_t memory_region_get_ram_addr(MemoryRegion *mr) |
| 1394 | { |
Avi Kivity | e34911c | 2011-12-19 12:06:23 +0200 | [diff] [blame] | 1395 | return mr->ram_addr; |
| 1396 | } |
| 1397 | |
Avi Kivity | e217795 | 2011-12-08 15:00:18 +0200 | [diff] [blame] | 1398 | static int cmp_flatrange_addr(const void *addr_, const void *fr_) |
| 1399 | { |
| 1400 | const AddrRange *addr = addr_; |
| 1401 | const FlatRange *fr = fr_; |
| 1402 | |
| 1403 | if (int128_le(addrrange_end(*addr), fr->addr.start)) { |
| 1404 | return -1; |
| 1405 | } else if (int128_ge(addr->start, addrrange_end(fr->addr))) { |
| 1406 | return 1; |
| 1407 | } |
| 1408 | return 0; |
| 1409 | } |
| 1410 | |
| 1411 | static FlatRange *address_space_lookup(AddressSpace *as, AddrRange addr) |
| 1412 | { |
Avi Kivity | 8786db7 | 2012-10-02 13:53:41 +0200 | [diff] [blame] | 1413 | return bsearch(&addr, as->current_map->ranges, as->current_map->nr, |
Avi Kivity | e217795 | 2011-12-08 15:00:18 +0200 | [diff] [blame] | 1414 | sizeof(FlatRange), cmp_flatrange_addr); |
| 1415 | } |
| 1416 | |
| 1417 | MemoryRegionSection memory_region_find(MemoryRegion *address_space, |
| 1418 | target_phys_addr_t addr, uint64_t size) |
| 1419 | { |
| 1420 | AddressSpace *as = memory_region_to_address_space(address_space); |
| 1421 | AddrRange range = addrrange_make(int128_make64(addr), |
| 1422 | int128_make64(size)); |
| 1423 | FlatRange *fr = address_space_lookup(as, range); |
| 1424 | MemoryRegionSection ret = { .mr = NULL, .size = 0 }; |
| 1425 | |
| 1426 | if (!fr) { |
| 1427 | return ret; |
| 1428 | } |
| 1429 | |
Avi Kivity | 8786db7 | 2012-10-02 13:53:41 +0200 | [diff] [blame] | 1430 | while (fr > as->current_map->ranges |
Avi Kivity | e217795 | 2011-12-08 15:00:18 +0200 | [diff] [blame] | 1431 | && addrrange_intersects(fr[-1].addr, range)) { |
| 1432 | --fr; |
| 1433 | } |
| 1434 | |
| 1435 | ret.mr = fr->mr; |
| 1436 | range = addrrange_intersection(range, fr->addr); |
| 1437 | ret.offset_within_region = fr->offset_in_region; |
| 1438 | ret.offset_within_region += int128_get64(int128_sub(range.start, |
| 1439 | fr->addr.start)); |
| 1440 | ret.size = int128_get64(range.size); |
| 1441 | ret.offset_within_address_space = int128_get64(range.start); |
Avi Kivity | 7a8499e | 2012-02-08 17:01:23 +0200 | [diff] [blame] | 1442 | ret.readonly = fr->readonly; |
Avi Kivity | e217795 | 2011-12-08 15:00:18 +0200 | [diff] [blame] | 1443 | return ret; |
| 1444 | } |
| 1445 | |
Avi Kivity | 86e775c | 2011-12-15 16:24:49 +0200 | [diff] [blame] | 1446 | void memory_global_sync_dirty_bitmap(MemoryRegion *address_space) |
| 1447 | { |
Avi Kivity | 7664e80 | 2011-12-11 14:47:25 +0200 | [diff] [blame] | 1448 | AddressSpace *as = memory_region_to_address_space(address_space); |
| 1449 | FlatRange *fr; |
| 1450 | |
Avi Kivity | 8786db7 | 2012-10-02 13:53:41 +0200 | [diff] [blame] | 1451 | FOR_EACH_FLAT_RANGE(fr, as->current_map) { |
Avi Kivity | 72e22d2 | 2012-02-08 15:05:50 +0200 | [diff] [blame] | 1452 | MEMORY_LISTENER_UPDATE_REGION(fr, as, Forward, log_sync); |
Avi Kivity | 7664e80 | 2011-12-11 14:47:25 +0200 | [diff] [blame] | 1453 | } |
| 1454 | } |
| 1455 | |
| 1456 | void memory_global_dirty_log_start(void) |
| 1457 | { |
Avi Kivity | 7664e80 | 2011-12-11 14:47:25 +0200 | [diff] [blame] | 1458 | global_dirty_log = true; |
Avi Kivity | 7376e58 | 2012-02-08 21:05:17 +0200 | [diff] [blame] | 1459 | MEMORY_LISTENER_CALL_GLOBAL(log_global_start, Forward); |
Avi Kivity | 7664e80 | 2011-12-11 14:47:25 +0200 | [diff] [blame] | 1460 | } |
| 1461 | |
| 1462 | void memory_global_dirty_log_stop(void) |
| 1463 | { |
Avi Kivity | 7664e80 | 2011-12-11 14:47:25 +0200 | [diff] [blame] | 1464 | global_dirty_log = false; |
Avi Kivity | 7376e58 | 2012-02-08 21:05:17 +0200 | [diff] [blame] | 1465 | MEMORY_LISTENER_CALL_GLOBAL(log_global_stop, Reverse); |
Avi Kivity | 7664e80 | 2011-12-11 14:47:25 +0200 | [diff] [blame] | 1466 | } |
| 1467 | |
| 1468 | static void listener_add_address_space(MemoryListener *listener, |
| 1469 | AddressSpace *as) |
| 1470 | { |
| 1471 | FlatRange *fr; |
| 1472 | |
Julien Grall | 221b3a3 | 2012-04-04 15:15:41 +0100 | [diff] [blame] | 1473 | if (listener->address_space_filter |
| 1474 | && listener->address_space_filter != as->root) { |
| 1475 | return; |
| 1476 | } |
| 1477 | |
Avi Kivity | 7664e80 | 2011-12-11 14:47:25 +0200 | [diff] [blame] | 1478 | if (global_dirty_log) { |
Avi Kivity | 975aefe | 2012-10-02 16:39:57 +0200 | [diff] [blame^] | 1479 | if (listener->log_global_start) { |
| 1480 | listener->log_global_start(listener); |
| 1481 | } |
Avi Kivity | 7664e80 | 2011-12-11 14:47:25 +0200 | [diff] [blame] | 1482 | } |
Avi Kivity | 975aefe | 2012-10-02 16:39:57 +0200 | [diff] [blame^] | 1483 | |
Avi Kivity | 8786db7 | 2012-10-02 13:53:41 +0200 | [diff] [blame] | 1484 | FOR_EACH_FLAT_RANGE(fr, as->current_map) { |
Avi Kivity | 7664e80 | 2011-12-11 14:47:25 +0200 | [diff] [blame] | 1485 | MemoryRegionSection section = { |
| 1486 | .mr = fr->mr, |
| 1487 | .address_space = as->root, |
| 1488 | .offset_within_region = fr->offset_in_region, |
| 1489 | .size = int128_get64(fr->addr.size), |
| 1490 | .offset_within_address_space = int128_get64(fr->addr.start), |
Avi Kivity | 7a8499e | 2012-02-08 17:01:23 +0200 | [diff] [blame] | 1491 | .readonly = fr->readonly, |
Avi Kivity | 7664e80 | 2011-12-11 14:47:25 +0200 | [diff] [blame] | 1492 | }; |
Avi Kivity | 975aefe | 2012-10-02 16:39:57 +0200 | [diff] [blame^] | 1493 | if (listener->region_add) { |
| 1494 | listener->region_add(listener, §ion); |
| 1495 | } |
Avi Kivity | 7664e80 | 2011-12-11 14:47:25 +0200 | [diff] [blame] | 1496 | } |
| 1497 | } |
| 1498 | |
Avi Kivity | 7376e58 | 2012-02-08 21:05:17 +0200 | [diff] [blame] | 1499 | void memory_listener_register(MemoryListener *listener, MemoryRegion *filter) |
Avi Kivity | 7664e80 | 2011-12-11 14:47:25 +0200 | [diff] [blame] | 1500 | { |
Avi Kivity | 72e22d2 | 2012-02-08 15:05:50 +0200 | [diff] [blame] | 1501 | MemoryListener *other = NULL; |
Avi Kivity | 0d673e3 | 2012-10-02 15:28:50 +0200 | [diff] [blame] | 1502 | AddressSpace *as; |
Avi Kivity | 72e22d2 | 2012-02-08 15:05:50 +0200 | [diff] [blame] | 1503 | |
Avi Kivity | 7376e58 | 2012-02-08 21:05:17 +0200 | [diff] [blame] | 1504 | listener->address_space_filter = filter; |
Avi Kivity | 72e22d2 | 2012-02-08 15:05:50 +0200 | [diff] [blame] | 1505 | if (QTAILQ_EMPTY(&memory_listeners) |
| 1506 | || listener->priority >= QTAILQ_LAST(&memory_listeners, |
| 1507 | memory_listeners)->priority) { |
| 1508 | QTAILQ_INSERT_TAIL(&memory_listeners, listener, link); |
| 1509 | } else { |
| 1510 | QTAILQ_FOREACH(other, &memory_listeners, link) { |
| 1511 | if (listener->priority < other->priority) { |
| 1512 | break; |
| 1513 | } |
| 1514 | } |
| 1515 | QTAILQ_INSERT_BEFORE(other, listener, link); |
| 1516 | } |
Avi Kivity | 0d673e3 | 2012-10-02 15:28:50 +0200 | [diff] [blame] | 1517 | |
| 1518 | QTAILQ_FOREACH(as, &address_spaces, address_spaces_link) { |
| 1519 | listener_add_address_space(listener, as); |
| 1520 | } |
Avi Kivity | 7664e80 | 2011-12-11 14:47:25 +0200 | [diff] [blame] | 1521 | } |
| 1522 | |
| 1523 | void memory_listener_unregister(MemoryListener *listener) |
| 1524 | { |
Avi Kivity | 72e22d2 | 2012-02-08 15:05:50 +0200 | [diff] [blame] | 1525 | QTAILQ_REMOVE(&memory_listeners, listener, link); |
Avi Kivity | 86e775c | 2011-12-15 16:24:49 +0200 | [diff] [blame] | 1526 | } |
Avi Kivity | e217795 | 2011-12-08 15:00:18 +0200 | [diff] [blame] | 1527 | |
Avi Kivity | 9ad2bbc | 2012-10-02 14:59:23 +0200 | [diff] [blame] | 1528 | void address_space_init(AddressSpace *as, MemoryRegion *root) |
Avi Kivity | 1c0ffa5 | 2011-07-26 14:26:04 +0300 | [diff] [blame] | 1529 | { |
Jan Kiszka | 59023ef | 2012-08-23 13:02:30 +0200 | [diff] [blame] | 1530 | memory_region_transaction_begin(); |
Avi Kivity | 8786db7 | 2012-10-02 13:53:41 +0200 | [diff] [blame] | 1531 | as->root = root; |
| 1532 | as->current_map = g_new(FlatView, 1); |
| 1533 | flatview_init(as->current_map); |
Avi Kivity | 0d673e3 | 2012-10-02 15:28:50 +0200 | [diff] [blame] | 1534 | QTAILQ_INSERT_TAIL(&address_spaces, as, address_spaces_link); |
| 1535 | as->name = NULL; |
Jan Kiszka | 59023ef | 2012-08-23 13:02:30 +0200 | [diff] [blame] | 1536 | memory_region_transaction_commit(); |
Avi Kivity | 1c0ffa5 | 2011-07-26 14:26:04 +0300 | [diff] [blame] | 1537 | } |
Avi Kivity | 658b222 | 2011-07-26 14:26:08 +0300 | [diff] [blame] | 1538 | |
Avi Kivity | 8786db7 | 2012-10-02 13:53:41 +0200 | [diff] [blame] | 1539 | void set_system_memory_map(MemoryRegion *mr) |
| 1540 | { |
| 1541 | address_space_init(&address_space_memory, mr); |
Avi Kivity | 0d673e3 | 2012-10-02 15:28:50 +0200 | [diff] [blame] | 1542 | address_space_memory.name = "memory"; |
Avi Kivity | 8786db7 | 2012-10-02 13:53:41 +0200 | [diff] [blame] | 1543 | } |
| 1544 | |
Avi Kivity | 658b222 | 2011-07-26 14:26:08 +0300 | [diff] [blame] | 1545 | void set_system_io_map(MemoryRegion *mr) |
| 1546 | { |
Avi Kivity | 8786db7 | 2012-10-02 13:53:41 +0200 | [diff] [blame] | 1547 | address_space_init(&address_space_io, mr); |
Avi Kivity | 0d673e3 | 2012-10-02 15:28:50 +0200 | [diff] [blame] | 1548 | address_space_io.name = "I/O"; |
Avi Kivity | 658b222 | 2011-07-26 14:26:08 +0300 | [diff] [blame] | 1549 | } |
Blue Swirl | 314e298 | 2011-09-11 20:22:05 +0000 | [diff] [blame] | 1550 | |
Avi Kivity | 37ec01d | 2012-03-08 18:08:35 +0200 | [diff] [blame] | 1551 | uint64_t io_mem_read(MemoryRegion *mr, target_phys_addr_t addr, unsigned size) |
Avi Kivity | acbbec5 | 2011-11-21 12:27:03 +0200 | [diff] [blame] | 1552 | { |
Avi Kivity | 37ec01d | 2012-03-08 18:08:35 +0200 | [diff] [blame] | 1553 | return memory_region_dispatch_read(mr, addr, size); |
Avi Kivity | acbbec5 | 2011-11-21 12:27:03 +0200 | [diff] [blame] | 1554 | } |
| 1555 | |
Avi Kivity | 37ec01d | 2012-03-08 18:08:35 +0200 | [diff] [blame] | 1556 | void io_mem_write(MemoryRegion *mr, target_phys_addr_t addr, |
Avi Kivity | acbbec5 | 2011-11-21 12:27:03 +0200 | [diff] [blame] | 1557 | uint64_t val, unsigned size) |
| 1558 | { |
Avi Kivity | 37ec01d | 2012-03-08 18:08:35 +0200 | [diff] [blame] | 1559 | memory_region_dispatch_write(mr, addr, val, size); |
Avi Kivity | acbbec5 | 2011-11-21 12:27:03 +0200 | [diff] [blame] | 1560 | } |
| 1561 | |
Blue Swirl | 314e298 | 2011-09-11 20:22:05 +0000 | [diff] [blame] | 1562 | typedef struct MemoryRegionList MemoryRegionList; |
| 1563 | |
| 1564 | struct MemoryRegionList { |
| 1565 | const MemoryRegion *mr; |
| 1566 | bool printed; |
| 1567 | QTAILQ_ENTRY(MemoryRegionList) queue; |
| 1568 | }; |
| 1569 | |
| 1570 | typedef QTAILQ_HEAD(queue, MemoryRegionList) MemoryRegionListHead; |
| 1571 | |
| 1572 | static void mtree_print_mr(fprintf_function mon_printf, void *f, |
| 1573 | const MemoryRegion *mr, unsigned int level, |
| 1574 | target_phys_addr_t base, |
Jan Kiszka | 9479c57 | 2011-09-27 15:00:41 +0200 | [diff] [blame] | 1575 | MemoryRegionListHead *alias_print_queue) |
Blue Swirl | 314e298 | 2011-09-11 20:22:05 +0000 | [diff] [blame] | 1576 | { |
Jan Kiszka | 9479c57 | 2011-09-27 15:00:41 +0200 | [diff] [blame] | 1577 | MemoryRegionList *new_ml, *ml, *next_ml; |
| 1578 | MemoryRegionListHead submr_print_queue; |
Blue Swirl | 314e298 | 2011-09-11 20:22:05 +0000 | [diff] [blame] | 1579 | const MemoryRegion *submr; |
| 1580 | unsigned int i; |
| 1581 | |
Blue Swirl | 314e298 | 2011-09-11 20:22:05 +0000 | [diff] [blame] | 1582 | if (!mr) { |
| 1583 | return; |
| 1584 | } |
| 1585 | |
| 1586 | for (i = 0; i < level; i++) { |
| 1587 | mon_printf(f, " "); |
| 1588 | } |
| 1589 | |
| 1590 | if (mr->alias) { |
| 1591 | MemoryRegionList *ml; |
| 1592 | bool found = false; |
| 1593 | |
| 1594 | /* check if the alias is already in the queue */ |
Jan Kiszka | 9479c57 | 2011-09-27 15:00:41 +0200 | [diff] [blame] | 1595 | QTAILQ_FOREACH(ml, alias_print_queue, queue) { |
Blue Swirl | 314e298 | 2011-09-11 20:22:05 +0000 | [diff] [blame] | 1596 | if (ml->mr == mr->alias && !ml->printed) { |
| 1597 | found = true; |
| 1598 | } |
| 1599 | } |
| 1600 | |
| 1601 | if (!found) { |
| 1602 | ml = g_new(MemoryRegionList, 1); |
| 1603 | ml->mr = mr->alias; |
| 1604 | ml->printed = false; |
Jan Kiszka | 9479c57 | 2011-09-27 15:00:41 +0200 | [diff] [blame] | 1605 | QTAILQ_INSERT_TAIL(alias_print_queue, ml, queue); |
Blue Swirl | 314e298 | 2011-09-11 20:22:05 +0000 | [diff] [blame] | 1606 | } |
Jan Kiszka | 4896d74 | 2012-02-04 16:25:42 +0100 | [diff] [blame] | 1607 | mon_printf(f, TARGET_FMT_plx "-" TARGET_FMT_plx |
| 1608 | " (prio %d, %c%c): alias %s @%s " TARGET_FMT_plx |
| 1609 | "-" TARGET_FMT_plx "\n", |
Blue Swirl | 314e298 | 2011-09-11 20:22:05 +0000 | [diff] [blame] | 1610 | base + mr->addr, |
Avi Kivity | 08dafab | 2011-10-16 13:19:17 +0200 | [diff] [blame] | 1611 | base + mr->addr |
| 1612 | + (target_phys_addr_t)int128_get64(mr->size) - 1, |
Jan Kiszka | 4b474ba | 2011-09-27 15:00:31 +0200 | [diff] [blame] | 1613 | mr->priority, |
Jan Kiszka | 4896d74 | 2012-02-04 16:25:42 +0100 | [diff] [blame] | 1614 | mr->readable ? 'R' : '-', |
| 1615 | !mr->readonly && !(mr->rom_device && mr->readable) ? 'W' |
| 1616 | : '-', |
Blue Swirl | 314e298 | 2011-09-11 20:22:05 +0000 | [diff] [blame] | 1617 | mr->name, |
| 1618 | mr->alias->name, |
| 1619 | mr->alias_offset, |
Avi Kivity | 08dafab | 2011-10-16 13:19:17 +0200 | [diff] [blame] | 1620 | mr->alias_offset |
| 1621 | + (target_phys_addr_t)int128_get64(mr->size) - 1); |
Blue Swirl | 314e298 | 2011-09-11 20:22:05 +0000 | [diff] [blame] | 1622 | } else { |
Jan Kiszka | 4896d74 | 2012-02-04 16:25:42 +0100 | [diff] [blame] | 1623 | mon_printf(f, |
| 1624 | TARGET_FMT_plx "-" TARGET_FMT_plx " (prio %d, %c%c): %s\n", |
Blue Swirl | 314e298 | 2011-09-11 20:22:05 +0000 | [diff] [blame] | 1625 | base + mr->addr, |
Avi Kivity | 08dafab | 2011-10-16 13:19:17 +0200 | [diff] [blame] | 1626 | base + mr->addr |
| 1627 | + (target_phys_addr_t)int128_get64(mr->size) - 1, |
Jan Kiszka | 4b474ba | 2011-09-27 15:00:31 +0200 | [diff] [blame] | 1628 | mr->priority, |
Jan Kiszka | 4896d74 | 2012-02-04 16:25:42 +0100 | [diff] [blame] | 1629 | mr->readable ? 'R' : '-', |
| 1630 | !mr->readonly && !(mr->rom_device && mr->readable) ? 'W' |
| 1631 | : '-', |
Blue Swirl | 314e298 | 2011-09-11 20:22:05 +0000 | [diff] [blame] | 1632 | mr->name); |
| 1633 | } |
Jan Kiszka | 9479c57 | 2011-09-27 15:00:41 +0200 | [diff] [blame] | 1634 | |
| 1635 | QTAILQ_INIT(&submr_print_queue); |
| 1636 | |
Blue Swirl | 314e298 | 2011-09-11 20:22:05 +0000 | [diff] [blame] | 1637 | QTAILQ_FOREACH(submr, &mr->subregions, subregions_link) { |
Jan Kiszka | 9479c57 | 2011-09-27 15:00:41 +0200 | [diff] [blame] | 1638 | new_ml = g_new(MemoryRegionList, 1); |
| 1639 | new_ml->mr = submr; |
| 1640 | QTAILQ_FOREACH(ml, &submr_print_queue, queue) { |
| 1641 | if (new_ml->mr->addr < ml->mr->addr || |
| 1642 | (new_ml->mr->addr == ml->mr->addr && |
| 1643 | new_ml->mr->priority > ml->mr->priority)) { |
| 1644 | QTAILQ_INSERT_BEFORE(ml, new_ml, queue); |
| 1645 | new_ml = NULL; |
| 1646 | break; |
| 1647 | } |
| 1648 | } |
| 1649 | if (new_ml) { |
| 1650 | QTAILQ_INSERT_TAIL(&submr_print_queue, new_ml, queue); |
| 1651 | } |
| 1652 | } |
| 1653 | |
| 1654 | QTAILQ_FOREACH(ml, &submr_print_queue, queue) { |
| 1655 | mtree_print_mr(mon_printf, f, ml->mr, level + 1, base + mr->addr, |
| 1656 | alias_print_queue); |
| 1657 | } |
| 1658 | |
Avi Kivity | 88365e4 | 2011-11-13 12:00:55 +0200 | [diff] [blame] | 1659 | QTAILQ_FOREACH_SAFE(ml, &submr_print_queue, queue, next_ml) { |
Jan Kiszka | 9479c57 | 2011-09-27 15:00:41 +0200 | [diff] [blame] | 1660 | g_free(ml); |
Blue Swirl | 314e298 | 2011-09-11 20:22:05 +0000 | [diff] [blame] | 1661 | } |
| 1662 | } |
| 1663 | |
| 1664 | void mtree_info(fprintf_function mon_printf, void *f) |
| 1665 | { |
| 1666 | MemoryRegionListHead ml_head; |
| 1667 | MemoryRegionList *ml, *ml2; |
Avi Kivity | 0d673e3 | 2012-10-02 15:28:50 +0200 | [diff] [blame] | 1668 | AddressSpace *as; |
Blue Swirl | 314e298 | 2011-09-11 20:22:05 +0000 | [diff] [blame] | 1669 | |
| 1670 | QTAILQ_INIT(&ml_head); |
| 1671 | |
Avi Kivity | 0d673e3 | 2012-10-02 15:28:50 +0200 | [diff] [blame] | 1672 | QTAILQ_FOREACH(as, &address_spaces, address_spaces_link) { |
| 1673 | if (!as->name) { |
| 1674 | continue; |
| 1675 | } |
| 1676 | mon_printf(f, "%s\n", as->name); |
| 1677 | mtree_print_mr(mon_printf, f, as->root, 0, 0, &ml_head); |
Blue Swirl | b9f9be8 | 2012-03-10 16:58:35 +0000 | [diff] [blame] | 1678 | } |
| 1679 | |
| 1680 | mon_printf(f, "aliases\n"); |
Blue Swirl | 314e298 | 2011-09-11 20:22:05 +0000 | [diff] [blame] | 1681 | /* print aliased regions */ |
| 1682 | QTAILQ_FOREACH(ml, &ml_head, queue) { |
| 1683 | if (!ml->printed) { |
| 1684 | mon_printf(f, "%s\n", ml->mr->name); |
| 1685 | mtree_print_mr(mon_printf, f, ml->mr, 0, 0, &ml_head); |
| 1686 | } |
| 1687 | } |
| 1688 | |
| 1689 | QTAILQ_FOREACH_SAFE(ml, &ml_head, queue, ml2) { |
Avi Kivity | 88365e4 | 2011-11-13 12:00:55 +0200 | [diff] [blame] | 1690 | g_free(ml); |
Blue Swirl | 314e298 | 2011-09-11 20:22:05 +0000 | [diff] [blame] | 1691 | } |
Blue Swirl | 314e298 | 2011-09-11 20:22:05 +0000 | [diff] [blame] | 1692 | } |