FlatView *view;
FlatRange *fr;
unsigned ioeventfd_nb = 0;
- MemoryRegionIoeventfd *ioeventfds = NULL;
+ unsigned ioeventfd_max;
+ MemoryRegionIoeventfd *ioeventfds;
AddrRange tmp;
unsigned i;
+ /*
+ * It is likely that the number of ioeventfds hasn't changed much, so use
+ * the previous size as the starting value, with some headroom to avoid
+ * gratuitous reallocations.
+ */
+ ioeventfd_max = QEMU_ALIGN_UP(as->ioeventfd_nb, 4);
+ ioeventfds = g_new(MemoryRegionIoeventfd, ioeventfd_max);
+
view = address_space_get_flatview(as);
FOR_EACH_FLAT_RANGE(fr, view) {
for (i = 0; i < fr->mr->ioeventfd_nb; ++i) {
int128_make64(fr->offset_in_region)));
if (addrrange_intersects(fr->addr, tmp)) {
++ioeventfd_nb;
- ioeventfds = g_realloc(ioeventfds,
- ioeventfd_nb * sizeof(*ioeventfds));
+ if (ioeventfd_nb > ioeventfd_max) {
+ ioeventfd_max = MAX(ioeventfd_max * 2, 4);
+ ioeventfds = g_realloc(ioeventfds,
+ ioeventfd_max * sizeof(*ioeventfds));
+ }
ioeventfds[ioeventfd_nb-1] = fr->mr->ioeventfds[i];
ioeventfds[ioeventfd_nb-1].addr = tmp;
}
owner = container_get(qdev_get_machine(), "/unattached");
}
- object_property_add_child(owner, name_array, OBJECT(mr), &error_abort);
+ object_property_add_child(owner, name_array, OBJECT(mr));
object_unref(OBJECT(mr));
g_free(name_array);
g_free(escaped_name);
memory_region_do_init(mr, owner, name, size);
}
-static void memory_region_get_addr(Object *obj, Visitor *v, const char *name,
- void *opaque, Error **errp)
-{
- MemoryRegion *mr = MEMORY_REGION(obj);
- uint64_t value = mr->addr;
-
- visit_type_uint64(v, name, &value, errp);
-}
-
static void memory_region_get_container(Object *obj, Visitor *v,
const char *name, void *opaque,
Error **errp)
{
MemoryRegion *mr = MEMORY_REGION(obj);
- gchar *path = (gchar *)"";
+ char *path = (char *)"";
if (mr->container) {
path = object_get_canonical_path(OBJECT(mr->container));
"link<" TYPE_MEMORY_REGION ">",
memory_region_get_container,
NULL, /* memory_region_set_container */
- NULL, NULL, &error_abort);
+ NULL, NULL);
op->resolve = memory_region_resolve_container;
- object_property_add(OBJECT(mr), "addr", "uint64",
- memory_region_get_addr,
- NULL, /* memory_region_set_addr */
- NULL, NULL, &error_abort);
+ object_property_add_uint64_ptr(OBJECT(mr), "addr",
+ &mr->addr, OBJ_PROP_FLAG_READ);
object_property_add(OBJECT(mr), "priority", "uint32",
memory_region_get_priority,
NULL, /* memory_region_set_priority */
- NULL, NULL, &error_abort);
+ NULL, NULL);
object_property_add(OBJECT(mr), "size", "uint64",
memory_region_get_size,
NULL, /* memory_region_set_size, */
- NULL, NULL, &error_abort);
+ NULL, NULL);
}
static void iommu_memory_region_initfn(Object *obj)
uint64_t size,
Error **errp)
{
- Error *err = NULL;
- memory_region_init(mr, owner, name, size);
- mr->ram = true;
+ memory_region_init_ram_shared_nomigrate(mr, owner, name, size, false, errp);
mr->readonly = true;
- mr->terminates = true;
- mr->destructor = memory_region_destructor_ram;
- mr->ram_block = qemu_ram_alloc(size, false, mr, &err);
- mr->dirty_log_mask = tcg_enabled() ? (1 << DIRTY_MEMORY_CODE) : 0;
- if (err) {
- mr->size = int128_zero();
- object_unparent(OBJECT(mr));
- error_propagate(errp, err);
- }
}
void memory_region_init_rom_device_nomigrate(MemoryRegion *mr,
qemu_ram_resize(mr->ram_block, newsize, errp);
}
+void memory_region_msync(MemoryRegion *mr, hwaddr addr, hwaddr size)
+{
+ if (mr->ram_block) {
+ qemu_ram_msync(mr->ram_block, addr, size);
+ }
+}
-void memory_region_do_writeback(MemoryRegion *mr, hwaddr addr, hwaddr size)
+void memory_region_writeback(MemoryRegion *mr, hwaddr addr, hwaddr size)
{
/*
* Might be extended case needed to cover
* different types of memory regions
*/
- if (mr->ram_block && mr->dirty_log_mask) {
- qemu_ram_writeback(mr->ram_block, addr, size);
+ if (mr->dirty_log_mask) {
+ memory_region_msync(mr, addr, size);
}
}
static const char *memory_region_type(MemoryRegion *mr)
{
+ if (mr->alias) {
+ return memory_region_type(mr->alias);
+ }
if (memory_region_is_ram_device(mr)) {
return "ramd";
} else if (memory_region_is_romd(mr)) {
if (dev && dev->id) {
qemu_printf(" id=%s", dev->id);
} else {
- gchar *canonical_path = object_get_canonical_path(obj);
+ char *canonical_path = object_get_canonical_path(obj);
if (canonical_path) {
qemu_printf(" path=%s", canonical_path);
g_free(canonical_path);
static void mtree_print_mr(const MemoryRegion *mr, unsigned int level,
hwaddr base,
MemoryRegionListHead *alias_print_queue,
- bool owner)
+ bool owner, bool display_disabled)
{
MemoryRegionList *new_ml, *ml, *next_ml;
MemoryRegionListHead submr_print_queue;
return;
}
- for (i = 0; i < level; i++) {
- qemu_printf(MTREE_INDENT);
- }
-
cur_start = base + mr->addr;
cur_end = cur_start + MR_SIZE(mr->size);
ml->mr = mr->alias;
QTAILQ_INSERT_TAIL(alias_print_queue, ml, mrqueue);
}
- qemu_printf(TARGET_FMT_plx "-" TARGET_FMT_plx
- " (prio %d, %s%s): alias %s @%s " TARGET_FMT_plx
- "-" TARGET_FMT_plx "%s",
- cur_start, cur_end,
- mr->priority,
- mr->nonvolatile ? "nv-" : "",
- memory_region_type((MemoryRegion *)mr),
- memory_region_name(mr),
- memory_region_name(mr->alias),
- mr->alias_offset,
- mr->alias_offset + MR_SIZE(mr->size),
- mr->enabled ? "" : " [disabled]");
- if (owner) {
- mtree_print_mr_owner(mr);
+ if (mr->enabled || display_disabled) {
+ for (i = 0; i < level; i++) {
+ qemu_printf(MTREE_INDENT);
+ }
+ qemu_printf(TARGET_FMT_plx "-" TARGET_FMT_plx
+ " (prio %d, %s%s): alias %s @%s " TARGET_FMT_plx
+ "-" TARGET_FMT_plx "%s",
+ cur_start, cur_end,
+ mr->priority,
+ mr->nonvolatile ? "nv-" : "",
+ memory_region_type((MemoryRegion *)mr),
+ memory_region_name(mr),
+ memory_region_name(mr->alias),
+ mr->alias_offset,
+ mr->alias_offset + MR_SIZE(mr->size),
+ mr->enabled ? "" : " [disabled]");
+ if (owner) {
+ mtree_print_mr_owner(mr);
+ }
+ qemu_printf("\n");
}
} else {
- qemu_printf(TARGET_FMT_plx "-" TARGET_FMT_plx
- " (prio %d, %s%s): %s%s",
- cur_start, cur_end,
- mr->priority,
- mr->nonvolatile ? "nv-" : "",
- memory_region_type((MemoryRegion *)mr),
- memory_region_name(mr),
- mr->enabled ? "" : " [disabled]");
- if (owner) {
- mtree_print_mr_owner(mr);
+ if (mr->enabled || display_disabled) {
+ for (i = 0; i < level; i++) {
+ qemu_printf(MTREE_INDENT);
+ }
+ qemu_printf(TARGET_FMT_plx "-" TARGET_FMT_plx
+ " (prio %d, %s%s): %s%s",
+ cur_start, cur_end,
+ mr->priority,
+ mr->nonvolatile ? "nv-" : "",
+ memory_region_type((MemoryRegion *)mr),
+ memory_region_name(mr),
+ mr->enabled ? "" : " [disabled]");
+ if (owner) {
+ mtree_print_mr_owner(mr);
+ }
+ qemu_printf("\n");
}
}
- qemu_printf("\n");
QTAILQ_INIT(&submr_print_queue);
QTAILQ_FOREACH(ml, &submr_print_queue, mrqueue) {
mtree_print_mr(ml->mr, level + 1, cur_start,
- alias_print_queue, owner);
+ alias_print_queue, owner, display_disabled);
}
QTAILQ_FOREACH_SAFE(ml, &submr_print_queue, mrqueue, next_ml) {
return true;
}
-void mtree_info(bool flatview, bool dispatch_tree, bool owner)
+void mtree_info(bool flatview, bool dispatch_tree, bool owner, bool disabled)
{
MemoryRegionListHead ml_head;
MemoryRegionList *ml, *ml2;
QTAILQ_FOREACH(as, &address_spaces, address_spaces_link) {
qemu_printf("address-space: %s\n", as->name);
- mtree_print_mr(as->root, 1, 0, &ml_head, owner);
+ mtree_print_mr(as->root, 1, 0, &ml_head, owner, disabled);
qemu_printf("\n");
}
/* print aliased regions */
QTAILQ_FOREACH(ml, &ml_head, mrqueue) {
qemu_printf("memory-region: %s\n", memory_region_name(ml->mr));
- mtree_print_mr(ml->mr, 1, 0, &ml_head, owner);
+ mtree_print_mr(ml->mr, 1, 0, &ml_head, owner, disabled);
qemu_printf("\n");
}
projects / qemu.git / blobdiff