* Authors:
* Wen Congyang <wency@cn.fujitsu.com>
*
- * This work is licensed under the terms of the GNU GPL, version 2. See
- * the COPYING file in the top-level directory.
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
*
*/
QTAILQ_INIT(&list->head);
}
-#if defined(CONFIG_HAVE_GET_MEMORY_MAPPING)
-
static CPUArchState *find_paging_enabled_cpu(CPUArchState *start_cpu)
{
CPUArchState *env;
return 0;
}
-#endif
void qemu_get_guest_simple_memory_mapping(MemoryMappingList *list)
{
create_new_memory_mapping(list, block->offset, 0, block->length);
}
}
+
+void memory_mapping_filter(MemoryMappingList *list, int64_t begin,
+ int64_t length)
+{
+ MemoryMapping *cur, *next;
+
+ QTAILQ_FOREACH_SAFE(cur, &list->head, next, next) {
+ if (cur->phys_addr >= begin + length ||
+ cur->phys_addr + cur->length <= begin) {
+ QTAILQ_REMOVE(&list->head, cur, next);
+ list->num--;
+ continue;
+ }
+
+ if (cur->phys_addr < begin) {
+ cur->length -= begin - cur->phys_addr;
+ if (cur->virt_addr) {
+ cur->virt_addr += begin - cur->phys_addr;
+ }
+ cur->phys_addr = begin;
+ }
+
+ if (cur->phys_addr + cur->length > begin + length) {
+ cur->length -= cur->phys_addr + cur->length - begin - length;
+ }
+ }
+}