#include "qemu/osdep.h"
#include "qapi/error.h"
-#include "qemu-common.h"
#include "cpu.h"
#include "exec/memory.h"
#include "exec/address-spaces.h"
#include "qapi/visitor.h"
#include "qemu/bitops.h"
#include "qemu/error-report.h"
+#include "qemu/qemu-print.h"
#include "qom/object.h"
#include "trace-root.h"
#include "exec/ram_addr.h"
#include "sysemu/kvm.h"
#include "sysemu/sysemu.h"
+#include "sysemu/tcg.h"
+#include "sysemu/accel.h"
#include "hw/qdev-properties.h"
+#include "hw/boards.h"
#include "migration/vmstate.h"
//#define DEBUG_UNASSIGNED
static unsigned memory_region_transaction_depth;
static bool memory_region_update_pending;
static bool ioeventfd_update_pending;
-static bool global_dirty_log = false;
+bool global_dirty_log;
static QTAILQ_HEAD(, MemoryListener) memory_listeners
= QTAILQ_HEAD_INITIALIZER(memory_listeners);
/* Attempt to simplify a view by merging adjacent ranges */
static void flatview_simplify(FlatView *view)
{
- unsigned i, j;
+ unsigned i, j, k;
i = 0;
while (i < view->nr) {
++j;
}
++i;
+ for (k = i; k < j; k++) {
+ memory_region_unref(view->ranges[k].mr);
+ }
memmove(&view->ranges[i], &view->ranges[j],
(view->nr - j) * sizeof(view->ranges[j]));
view->nr -= j - i;
uint64_t size,
void *ptr)
{
- memory_region_init_ram_ptr(mr, owner, name, size, ptr);
+ memory_region_init(mr, owner, name, size);
+ mr->ram = true;
+ mr->terminates = true;
mr->ram_device = true;
mr->ops = &ram_device_mem_ops;
mr->opaque = mr;
+ mr->destructor = memory_region_destructor_ram;
+ mr->dirty_log_mask = tcg_enabled() ? (1 << DIRTY_MEMORY_CODE) : 0;
+ /* qemu_ram_alloc_from_ptr cannot fail with ptr != NULL. */
+ assert(ptr != NULL);
+ mr->ram_block = qemu_ram_alloc_from_ptr(size, ptr, mr, &error_fatal);
}
void memory_region_init_alias(MemoryRegion *mr,
memory_region_transaction_commit();
}
-bool memory_region_get_dirty(MemoryRegion *mr, hwaddr addr,
- hwaddr size, unsigned client)
-{
- assert(mr->ram_block);
- return cpu_physical_memory_get_dirty(memory_region_get_ram_addr(mr) + addr,
- size, client);
-}
-
void memory_region_set_dirty(MemoryRegion *mr, hwaddr addr,
hwaddr size)
{
}
}
+void memory_region_clear_dirty_bitmap(MemoryRegion *mr, hwaddr start,
+ hwaddr len)
+{
+ MemoryRegionSection mrs;
+ MemoryListener *listener;
+ AddressSpace *as;
+ FlatView *view;
+ FlatRange *fr;
+ hwaddr sec_start, sec_end, sec_size;
+
+ QTAILQ_FOREACH(listener, &memory_listeners, link) {
+ if (!listener->log_clear) {
+ continue;
+ }
+ as = listener->address_space;
+ view = address_space_get_flatview(as);
+ FOR_EACH_FLAT_RANGE(fr, view) {
+ if (!fr->dirty_log_mask || fr->mr != mr) {
+ /*
+ * Clear dirty bitmap operation only applies to those
+ * regions whose dirty logging is at least enabled
+ */
+ continue;
+ }
+
+ mrs = section_from_flat_range(fr, view);
+
+ sec_start = MAX(mrs.offset_within_region, start);
+ sec_end = mrs.offset_within_region + int128_get64(mrs.size);
+ sec_end = MIN(sec_end, start + len);
+
+ if (sec_start >= sec_end) {
+ /*
+ * If this memory region section has no intersection
+ * with the requested range, skip.
+ */
+ continue;
+ }
+
+ /* Valid case; shrink the section if needed */
+ mrs.offset_within_address_space +=
+ sec_start - mrs.offset_within_region;
+ mrs.offset_within_region = sec_start;
+ sec_size = sec_end - sec_start;
+ mrs.size = int128_make64(sec_size);
+ listener->log_clear(listener, &mrs);
+ }
+ flatview_unref(view);
+ }
+}
+
DirtyBitmapSnapshot *memory_region_snapshot_and_clear_dirty(MemoryRegion *mr,
hwaddr addr,
hwaddr size,
{
assert(mr->ram_block);
memory_region_sync_dirty_bitmap(mr);
- return cpu_physical_memory_snapshot_and_clear_dirty(
- memory_region_get_ram_addr(mr) + addr, size, client);
+ return cpu_physical_memory_snapshot_and_clear_dirty(mr, addr, size, client);
}
bool memory_region_snapshot_get_dirty(MemoryRegion *mr, DirtyBitmapSnapshot *snap,
MEMORY_LISTENER_CALL_GLOBAL(log_global_start, Forward);
- /* Refresh DIRTY_LOG_MIGRATION bit. */
+ /* Refresh DIRTY_MEMORY_MIGRATION bit. */
memory_region_transaction_begin();
memory_region_update_pending = true;
memory_region_transaction_commit();
{
global_dirty_log = false;
- /* Refresh DIRTY_LOG_MIGRATION bit. */
+ /* Refresh DIRTY_MEMORY_MIGRATION bit. */
memory_region_transaction_begin();
memory_region_update_pending = true;
memory_region_transaction_commit();
listener->address_space = NULL;
}
+void address_space_remove_listeners(AddressSpace *as)
+{
+ while (!QTAILQ_EMPTY(&as->listeners)) {
+ memory_listener_unregister(QTAILQ_FIRST(&as->listeners));
+ }
+}
+
void address_space_init(AddressSpace *as, MemoryRegion *root, const char *name)
{
memory_region_ref(root);
int128_sub((size), int128_one())) : 0)
#define MTREE_INDENT " "
-static void mtree_expand_owner(fprintf_function mon_printf, void *f,
- const char *label, Object *obj)
+static void mtree_expand_owner(const char *label, Object *obj)
{
DeviceState *dev = (DeviceState *) object_dynamic_cast(obj, TYPE_DEVICE);
- mon_printf(f, " %s:{%s", label, dev ? "dev" : "obj");
+ qemu_printf(" %s:{%s", label, dev ? "dev" : "obj");
if (dev && dev->id) {
- mon_printf(f, " id=%s", dev->id);
+ qemu_printf(" id=%s", dev->id);
} else {
gchar *canonical_path = object_get_canonical_path(obj);
if (canonical_path) {
- mon_printf(f, " path=%s", canonical_path);
+ qemu_printf(" path=%s", canonical_path);
g_free(canonical_path);
} else {
- mon_printf(f, " type=%s", object_get_typename(obj));
+ qemu_printf(" type=%s", object_get_typename(obj));
}
}
- mon_printf(f, "}");
+ qemu_printf("}");
}
-static void mtree_print_mr_owner(fprintf_function mon_printf, void *f,
- const MemoryRegion *mr)
+static void mtree_print_mr_owner(const MemoryRegion *mr)
{
Object *owner = mr->owner;
Object *parent = memory_region_owner((MemoryRegion *)mr);
if (!owner && !parent) {
- mon_printf(f, " orphan");
+ qemu_printf(" orphan");
return;
}
if (owner) {
- mtree_expand_owner(mon_printf, f, "owner", owner);
+ mtree_expand_owner("owner", owner);
}
if (parent && parent != owner) {
- mtree_expand_owner(mon_printf, f, "parent", parent);
+ mtree_expand_owner("parent", parent);
}
}
-static void mtree_print_mr(fprintf_function mon_printf, void *f,
- const MemoryRegion *mr, unsigned int level,
+static void mtree_print_mr(const MemoryRegion *mr, unsigned int level,
hwaddr base,
MemoryRegionListHead *alias_print_queue,
bool owner)
}
for (i = 0; i < level; i++) {
- mon_printf(f, MTREE_INDENT);
+ qemu_printf(MTREE_INDENT);
}
cur_start = base + mr->addr;
* user who is observing this.
*/
if (cur_start < base || cur_end < cur_start) {
- mon_printf(f, "[DETECTED OVERFLOW!] ");
+ qemu_printf("[DETECTED OVERFLOW!] ");
}
if (mr->alias) {
ml->mr = mr->alias;
QTAILQ_INSERT_TAIL(alias_print_queue, ml, mrqueue);
}
- mon_printf(f, 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]");
+ 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(mon_printf, f, mr);
+ mtree_print_mr_owner(mr);
}
} else {
- mon_printf(f,
- 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]");
+ 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(mon_printf, f, mr);
+ mtree_print_mr_owner(mr);
}
}
- mon_printf(f, "\n");
+ qemu_printf("\n");
QTAILQ_INIT(&submr_print_queue);
}
QTAILQ_FOREACH(ml, &submr_print_queue, mrqueue) {
- mtree_print_mr(mon_printf, f, ml->mr, level + 1, cur_start,
+ mtree_print_mr(ml->mr, level + 1, cur_start,
alias_print_queue, owner);
}
}
struct FlatViewInfo {
- fprintf_function mon_printf;
- void *f;
int counter;
bool dispatch_tree;
bool owner;
+ AccelClass *ac;
+ const char *ac_name;
};
static void mtree_print_flatview(gpointer key, gpointer value,
FlatView *view = key;
GArray *fv_address_spaces = value;
struct FlatViewInfo *fvi = user_data;
- fprintf_function p = fvi->mon_printf;
- void *f = fvi->f;
FlatRange *range = &view->ranges[0];
MemoryRegion *mr;
int n = view->nr;
int i;
AddressSpace *as;
- p(f, "FlatView #%d\n", fvi->counter);
+ qemu_printf("FlatView #%d\n", fvi->counter);
++fvi->counter;
for (i = 0; i < fv_address_spaces->len; ++i) {
as = g_array_index(fv_address_spaces, AddressSpace*, i);
- p(f, " AS \"%s\", root: %s", as->name, memory_region_name(as->root));
+ qemu_printf(" AS \"%s\", root: %s",
+ as->name, memory_region_name(as->root));
if (as->root->alias) {
- p(f, ", alias %s", memory_region_name(as->root->alias));
+ qemu_printf(", alias %s", memory_region_name(as->root->alias));
}
- p(f, "\n");
+ qemu_printf("\n");
}
- p(f, " Root memory region: %s\n",
+ qemu_printf(" Root memory region: %s\n",
view->root ? memory_region_name(view->root) : "(none)");
if (n <= 0) {
- p(f, MTREE_INDENT "No rendered FlatView\n\n");
+ qemu_printf(MTREE_INDENT "No rendered FlatView\n\n");
return;
}
while (n--) {
mr = range->mr;
if (range->offset_in_region) {
- p(f, MTREE_INDENT TARGET_FMT_plx "-"
- TARGET_FMT_plx " (prio %d, %s%s): %s @" TARGET_FMT_plx,
- int128_get64(range->addr.start),
- int128_get64(range->addr.start) + MR_SIZE(range->addr.size),
- mr->priority,
- range->nonvolatile ? "nv-" : "",
- range->readonly ? "rom" : memory_region_type(mr),
- memory_region_name(mr),
- range->offset_in_region);
+ qemu_printf(MTREE_INDENT TARGET_FMT_plx "-" TARGET_FMT_plx
+ " (prio %d, %s%s): %s @" TARGET_FMT_plx,
+ int128_get64(range->addr.start),
+ int128_get64(range->addr.start)
+ + MR_SIZE(range->addr.size),
+ mr->priority,
+ range->nonvolatile ? "nv-" : "",
+ range->readonly ? "rom" : memory_region_type(mr),
+ memory_region_name(mr),
+ range->offset_in_region);
} else {
- p(f, MTREE_INDENT TARGET_FMT_plx "-"
- TARGET_FMT_plx " (prio %d, %s%s): %s",
- int128_get64(range->addr.start),
- int128_get64(range->addr.start) + MR_SIZE(range->addr.size),
- mr->priority,
- range->nonvolatile ? "nv-" : "",
- range->readonly ? "rom" : memory_region_type(mr),
- memory_region_name(mr));
+ qemu_printf(MTREE_INDENT TARGET_FMT_plx "-" TARGET_FMT_plx
+ " (prio %d, %s%s): %s",
+ int128_get64(range->addr.start),
+ int128_get64(range->addr.start)
+ + MR_SIZE(range->addr.size),
+ mr->priority,
+ range->nonvolatile ? "nv-" : "",
+ range->readonly ? "rom" : memory_region_type(mr),
+ memory_region_name(mr));
}
if (fvi->owner) {
- mtree_print_mr_owner(p, f, mr);
+ mtree_print_mr_owner(mr);
}
- p(f, "\n");
+
+ if (fvi->ac) {
+ for (i = 0; i < fv_address_spaces->len; ++i) {
+ as = g_array_index(fv_address_spaces, AddressSpace*, i);
+ if (fvi->ac->has_memory(current_machine, as,
+ int128_get64(range->addr.start),
+ MR_SIZE(range->addr.size) + 1)) {
+ qemu_printf(" %s", fvi->ac_name);
+ }
+ }
+ }
+ qemu_printf("\n");
range++;
}
#if !defined(CONFIG_USER_ONLY)
if (fvi->dispatch_tree && view->root) {
- mtree_print_dispatch(p, f, view->dispatch, view->root);
+ mtree_print_dispatch(view->dispatch, view->root);
}
#endif
- p(f, "\n");
+ qemu_printf("\n");
}
static gboolean mtree_info_flatview_free(gpointer key, gpointer value,
return true;
}
-void mtree_info(fprintf_function mon_printf, void *f, bool flatview,
- bool dispatch_tree, bool owner)
+void mtree_info(bool flatview, bool dispatch_tree, bool owner)
{
MemoryRegionListHead ml_head;
MemoryRegionList *ml, *ml2;
if (flatview) {
FlatView *view;
struct FlatViewInfo fvi = {
- .mon_printf = mon_printf,
- .f = f,
.counter = 0,
.dispatch_tree = dispatch_tree,
.owner = owner,
};
GArray *fv_address_spaces;
GHashTable *views = g_hash_table_new(g_direct_hash, g_direct_equal);
+ AccelClass *ac = ACCEL_GET_CLASS(current_machine->accelerator);
+
+ if (ac->has_memory) {
+ fvi.ac = ac;
+ fvi.ac_name = current_machine->accel ? current_machine->accel :
+ object_class_get_name(OBJECT_CLASS(ac));
+ }
/* Gather all FVs in one table */
QTAILQ_FOREACH(as, &address_spaces, address_spaces_link) {
QTAILQ_INIT(&ml_head);
QTAILQ_FOREACH(as, &address_spaces, address_spaces_link) {
- mon_printf(f, "address-space: %s\n", as->name);
- mtree_print_mr(mon_printf, f, as->root, 1, 0, &ml_head, owner);
- mon_printf(f, "\n");
+ qemu_printf("address-space: %s\n", as->name);
+ mtree_print_mr(as->root, 1, 0, &ml_head, owner);
+ qemu_printf("\n");
}
/* print aliased regions */
QTAILQ_FOREACH(ml, &ml_head, mrqueue) {
- mon_printf(f, "memory-region: %s\n", memory_region_name(ml->mr));
- mtree_print_mr(mon_printf, f, ml->mr, 1, 0, &ml_head, owner);
- mon_printf(f, "\n");
+ qemu_printf("memory-region: %s\n", memory_region_name(ml->mr));
+ mtree_print_mr(ml->mr, 1, 0, &ml_head, owner);
+ qemu_printf("\n");
}
QTAILQ_FOREACH_SAFE(ml, &ml_head, mrqueue, ml2) {
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