* GNU GPL, version 2 or (at your option) any later version.
*/
+#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 "exec/ioport.h"
#include "qapi/visitor.h"
#include "qemu/bitops.h"
+#include "qemu/error-report.h"
#include "qom/object.h"
-#include "trace.h"
-#include <assert.h>
+#include "trace-root.h"
#include "exec/memory-internal.h"
#include "exec/ram_addr.h"
+#include "sysemu/kvm.h"
#include "sysemu/sysemu.h"
//#define DEBUG_UNASSIGNED
-#define RAM_ADDR_INVALID (~(ram_addr_t)0)
-
static unsigned memory_region_transaction_depth;
static bool memory_region_update_pending;
static bool ioeventfd_update_pending;
enum ListenerDirection { Forward, Reverse };
-static bool memory_listener_match(MemoryListener *listener,
- MemoryRegionSection *section)
-{
- return !listener->address_space_filter
- || listener->address_space_filter == section->address_space;
-}
-
#define MEMORY_LISTENER_CALL_GLOBAL(_callback, _direction, _args...) \
do { \
MemoryListener *_listener; \
} \
} while (0)
-#define MEMORY_LISTENER_CALL(_callback, _direction, _section, _args...) \
+#define MEMORY_LISTENER_CALL(_as, _callback, _direction, _section, _args...) \
do { \
MemoryListener *_listener; \
+ struct memory_listeners_as *list = &(_as)->listeners; \
\
switch (_direction) { \
case Forward: \
- QTAILQ_FOREACH(_listener, &memory_listeners, link) { \
- if (_listener->_callback \
- && memory_listener_match(_listener, _section)) { \
+ QTAILQ_FOREACH(_listener, list, link_as) { \
+ if (_listener->_callback) { \
_listener->_callback(_listener, _section, ##_args); \
} \
} \
break; \
case Reverse: \
- QTAILQ_FOREACH_REVERSE(_listener, &memory_listeners, \
- memory_listeners, link) { \
- if (_listener->_callback \
- && memory_listener_match(_listener, _section)) { \
+ QTAILQ_FOREACH_REVERSE(_listener, list, memory_listeners_as, \
+ link_as) { \
+ if (_listener->_callback) { \
_listener->_callback(_listener, _section, ##_args); \
} \
} \
/* No need to ref/unref .mr, the FlatRange keeps it alive. */
#define MEMORY_LISTENER_UPDATE_REGION(fr, as, dir, callback, _args...) \
- MEMORY_LISTENER_CALL(callback, dir, (&(MemoryRegionSection) { \
- .mr = (fr)->mr, \
- .address_space = (as), \
- .offset_within_region = (fr)->offset_in_region, \
- .size = (fr)->addr.size, \
- .offset_within_address_space = int128_get64((fr)->addr.start), \
- .readonly = (fr)->readonly, \
- }), ##_args)
+ do { \
+ MemoryRegionSection mrs = section_from_flat_range(fr, as); \
+ MEMORY_LISTENER_CALL(as, callback, dir, &mrs, ##_args); \
+ } while(0)
struct CoalescedMemoryRange {
AddrRange addr;
#define FOR_EACH_FLAT_RANGE(var, view) \
for (var = (view)->ranges; var < (view)->ranges + (view)->nr; ++var)
+static inline MemoryRegionSection
+section_from_flat_range(FlatRange *fr, AddressSpace *as)
+{
+ return (MemoryRegionSection) {
+ .mr = fr->mr,
+ .address_space = as,
+ .offset_within_region = fr->offset_in_region,
+ .size = fr->addr.size,
+ .offset_within_address_space = int128_get64(fr->addr.start),
+ .readonly = fr->readonly,
+ };
+}
+
static bool flatrange_equal(FlatRange *a, FlatRange *b)
{
return a->mr == b->mr
}
}
+static hwaddr memory_region_to_absolute_addr(MemoryRegion *mr, hwaddr offset)
+{
+ MemoryRegion *root;
+ hwaddr abs_addr = offset;
+
+ abs_addr += mr->addr;
+ for (root = mr; root->container; ) {
+ root = root->container;
+ abs_addr += root->addr;
+ }
+
+ return abs_addr;
+}
+
+static int get_cpu_index(void)
+{
+ if (current_cpu) {
+ return current_cpu->cpu_index;
+ }
+ return -1;
+}
+
static MemTxResult memory_region_oldmmio_read_accessor(MemoryRegion *mr,
hwaddr addr,
uint64_t *value,
uint64_t tmp;
tmp = mr->ops->old_mmio.read[ctz32(size)](mr->opaque, addr);
- trace_memory_region_ops_read(mr, addr, tmp, size);
+ if (mr->subpage) {
+ trace_memory_region_subpage_read(get_cpu_index(), mr, addr, tmp, size);
+ } else if (mr == &io_mem_notdirty) {
+ /* Accesses to code which has previously been translated into a TB show
+ * up in the MMIO path, as accesses to the io_mem_notdirty
+ * MemoryRegion. */
+ trace_memory_region_tb_read(get_cpu_index(), addr, tmp, size);
+ } else if (TRACE_MEMORY_REGION_OPS_READ_ENABLED) {
+ hwaddr abs_addr = memory_region_to_absolute_addr(mr, addr);
+ trace_memory_region_ops_read(get_cpu_index(), mr, abs_addr, tmp, size);
+ }
*value |= (tmp & mask) << shift;
return MEMTX_OK;
}
uint64_t tmp;
tmp = mr->ops->read(mr->opaque, addr, size);
- trace_memory_region_ops_read(mr, addr, tmp, size);
+ if (mr->subpage) {
+ trace_memory_region_subpage_read(get_cpu_index(), mr, addr, tmp, size);
+ } else if (mr == &io_mem_notdirty) {
+ /* Accesses to code which has previously been translated into a TB show
+ * up in the MMIO path, as accesses to the io_mem_notdirty
+ * MemoryRegion. */
+ trace_memory_region_tb_read(get_cpu_index(), addr, tmp, size);
+ } else if (TRACE_MEMORY_REGION_OPS_READ_ENABLED) {
+ hwaddr abs_addr = memory_region_to_absolute_addr(mr, addr);
+ trace_memory_region_ops_read(get_cpu_index(), mr, abs_addr, tmp, size);
+ }
*value |= (tmp & mask) << shift;
return MEMTX_OK;
}
MemTxResult r;
r = mr->ops->read_with_attrs(mr->opaque, addr, &tmp, size, attrs);
- trace_memory_region_ops_read(mr, addr, tmp, size);
+ if (mr->subpage) {
+ trace_memory_region_subpage_read(get_cpu_index(), mr, addr, tmp, size);
+ } else if (mr == &io_mem_notdirty) {
+ /* Accesses to code which has previously been translated into a TB show
+ * up in the MMIO path, as accesses to the io_mem_notdirty
+ * MemoryRegion. */
+ trace_memory_region_tb_read(get_cpu_index(), addr, tmp, size);
+ } else if (TRACE_MEMORY_REGION_OPS_READ_ENABLED) {
+ hwaddr abs_addr = memory_region_to_absolute_addr(mr, addr);
+ trace_memory_region_ops_read(get_cpu_index(), mr, abs_addr, tmp, size);
+ }
*value |= (tmp & mask) << shift;
return r;
}
uint64_t tmp;
tmp = (*value >> shift) & mask;
- trace_memory_region_ops_write(mr, addr, tmp, size);
+ if (mr->subpage) {
+ trace_memory_region_subpage_write(get_cpu_index(), mr, addr, tmp, size);
+ } else if (mr == &io_mem_notdirty) {
+ /* Accesses to code which has previously been translated into a TB show
+ * up in the MMIO path, as accesses to the io_mem_notdirty
+ * MemoryRegion. */
+ trace_memory_region_tb_write(get_cpu_index(), addr, tmp, size);
+ } else if (TRACE_MEMORY_REGION_OPS_WRITE_ENABLED) {
+ hwaddr abs_addr = memory_region_to_absolute_addr(mr, addr);
+ trace_memory_region_ops_write(get_cpu_index(), mr, abs_addr, tmp, size);
+ }
mr->ops->old_mmio.write[ctz32(size)](mr->opaque, addr, tmp);
return MEMTX_OK;
}
uint64_t tmp;
tmp = (*value >> shift) & mask;
- trace_memory_region_ops_write(mr, addr, tmp, size);
+ if (mr->subpage) {
+ trace_memory_region_subpage_write(get_cpu_index(), mr, addr, tmp, size);
+ } else if (mr == &io_mem_notdirty) {
+ /* Accesses to code which has previously been translated into a TB show
+ * up in the MMIO path, as accesses to the io_mem_notdirty
+ * MemoryRegion. */
+ trace_memory_region_tb_write(get_cpu_index(), addr, tmp, size);
+ } else if (TRACE_MEMORY_REGION_OPS_WRITE_ENABLED) {
+ hwaddr abs_addr = memory_region_to_absolute_addr(mr, addr);
+ trace_memory_region_ops_write(get_cpu_index(), mr, abs_addr, tmp, size);
+ }
mr->ops->write(mr->opaque, addr, tmp, size);
return MEMTX_OK;
}
uint64_t tmp;
tmp = (*value >> shift) & mask;
- trace_memory_region_ops_write(mr, addr, tmp, size);
+ if (mr->subpage) {
+ trace_memory_region_subpage_write(get_cpu_index(), mr, addr, tmp, size);
+ } else if (mr == &io_mem_notdirty) {
+ /* Accesses to code which has previously been translated into a TB show
+ * up in the MMIO path, as accesses to the io_mem_notdirty
+ * MemoryRegion. */
+ trace_memory_region_tb_write(get_cpu_index(), addr, tmp, size);
+ } else if (TRACE_MEMORY_REGION_OPS_WRITE_ENABLED) {
+ hwaddr abs_addr = memory_region_to_absolute_addr(mr, addr);
+ trace_memory_region_ops_write(get_cpu_index(), mr, abs_addr, tmp, size);
+ }
return mr->ops->write_with_attrs(mr->opaque, addr, tmp, size, attrs);
}
.offset_within_address_space = int128_get64(fd->addr.start),
.size = fd->addr.size,
};
- MEMORY_LISTENER_CALL(eventfd_del, Forward, §ion,
+ MEMORY_LISTENER_CALL(as, eventfd_del, Forward, §ion,
fd->match_data, fd->data, fd->e);
++iold;
} else if (inew < fds_new_nb
.offset_within_address_space = int128_get64(fd->addr.start),
.size = fd->addr.size,
};
- MEMORY_LISTENER_CALL(eventfd_add, Reverse, §ion,
+ MEMORY_LISTENER_CALL(as, eventfd_add, Reverse, §ion,
fd->match_data, fd->data, fd->e);
++inew;
} else {
++memory_region_transaction_depth;
}
-static void memory_region_clear_pending(void)
-{
- memory_region_update_pending = false;
- ioeventfd_update_pending = false;
-}
-
void memory_region_transaction_commit(void)
{
AddressSpace *as;
assert(memory_region_transaction_depth);
+ assert(qemu_mutex_iothread_locked());
+
--memory_region_transaction_depth;
if (!memory_region_transaction_depth) {
if (memory_region_update_pending) {
QTAILQ_FOREACH(as, &address_spaces, address_spaces_link) {
address_space_update_topology(as);
}
-
+ memory_region_update_pending = false;
MEMORY_LISTENER_CALL_GLOBAL(commit, Forward);
} else if (ioeventfd_update_pending) {
QTAILQ_FOREACH(as, &address_spaces, address_spaces_link) {
address_space_update_ioeventfds(as);
}
+ ioeventfd_update_pending = false;
}
- memory_region_clear_pending();
}
}
static void memory_region_destructor_ram(MemoryRegion *mr)
{
- qemu_ram_free(mr->ram_addr);
-}
-
-static void memory_region_destructor_alias(MemoryRegion *mr)
-{
- memory_region_unref(mr->alias);
-}
-
-static void memory_region_destructor_ram_from_ptr(MemoryRegion *mr)
-{
- qemu_ram_free_from_ptr(mr->ram_addr);
-}
-
-static void memory_region_destructor_rom_device(MemoryRegion *mr)
-{
- qemu_ram_free(mr->ram_addr & TARGET_PAGE_MASK);
+ qemu_ram_free(mr->ram_block);
}
static bool memory_region_need_escape(char c)
const char *name,
uint64_t size)
{
- if (!owner) {
- owner = container_get(qdev_get_machine(), "/unattached");
- }
-
object_initialize(mr, sizeof(*mr), TYPE_MEMORY_REGION);
mr->size = int128_make64(size);
if (size == UINT64_MAX) {
mr->size = int128_2_64();
}
mr->name = g_strdup(name);
+ mr->owner = owner;
+ mr->ram_block = NULL;
if (name) {
char *escaped_name = memory_region_escape_name(name);
char *name_array = g_strdup_printf("%s[*]", escaped_name);
+
+ if (!owner) {
+ owner = container_get(qdev_get_machine(), "/unattached");
+ }
+
object_property_add_child(owner, name_array, OBJECT(mr), &error_abort);
object_unref(OBJECT(mr));
g_free(name_array);
}
}
-static void memory_region_get_addr(Object *obj, Visitor *v, void *opaque,
- const char *name, Error **errp)
+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, &value, name, errp);
+ visit_type_uint64(v, name, &value, errp);
}
-static void memory_region_get_container(Object *obj, Visitor *v, void *opaque,
- const char *name, Error **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 *)"";
if (mr->container) {
path = object_get_canonical_path(OBJECT(mr->container));
}
- visit_type_str(v, &path, name, errp);
+ visit_type_str(v, name, &path, errp);
if (mr->container) {
g_free(path);
}
return OBJECT(mr->container);
}
-static void memory_region_get_priority(Object *obj, Visitor *v, void *opaque,
- const char *name, Error **errp)
+static void memory_region_get_priority(Object *obj, Visitor *v,
+ const char *name, void *opaque,
+ Error **errp)
{
MemoryRegion *mr = MEMORY_REGION(obj);
int32_t value = mr->priority;
- visit_type_int32(v, &value, name, errp);
-}
-
-static bool memory_region_get_may_overlap(Object *obj, Error **errp)
-{
- MemoryRegion *mr = MEMORY_REGION(obj);
-
- return mr->may_overlap;
+ visit_type_int32(v, name, &value, errp);
}
-static void memory_region_get_size(Object *obj, Visitor *v, void *opaque,
- const char *name, Error **errp)
+static void memory_region_get_size(Object *obj, Visitor *v, const char *name,
+ void *opaque, Error **errp)
{
MemoryRegion *mr = MEMORY_REGION(obj);
uint64_t value = memory_region_size(mr);
- visit_type_uint64(v, &value, name, errp);
+ visit_type_uint64(v, name, &value, errp);
}
static void memory_region_initfn(Object *obj)
ObjectProperty *op;
mr->ops = &unassigned_mem_ops;
- mr->ram_addr = RAM_ADDR_INVALID;
mr->enabled = true;
mr->romd_mode = true;
mr->global_locking = true;
memory_region_get_priority,
NULL, /* memory_region_set_priority */
NULL, NULL, &error_abort);
- object_property_add_bool(OBJECT(mr), "may-overlap",
- memory_region_get_may_overlap,
- NULL, /* memory_region_set_may_overlap */
- &error_abort);
object_property_add(OBJECT(mr), "size", "uint64",
memory_region_get_size,
NULL, /* memory_region_set_size, */
.endianness = DEVICE_NATIVE_ENDIAN,
};
+static uint64_t memory_region_ram_device_read(void *opaque,
+ hwaddr addr, unsigned size)
+{
+ MemoryRegion *mr = opaque;
+ uint64_t data = (uint64_t)~0;
+
+ switch (size) {
+ case 1:
+ data = *(uint8_t *)(mr->ram_block->host + addr);
+ break;
+ case 2:
+ data = *(uint16_t *)(mr->ram_block->host + addr);
+ break;
+ case 4:
+ data = *(uint32_t *)(mr->ram_block->host + addr);
+ break;
+ case 8:
+ data = *(uint64_t *)(mr->ram_block->host + addr);
+ break;
+ }
+
+ trace_memory_region_ram_device_read(get_cpu_index(), mr, addr, data, size);
+
+ return data;
+}
+
+static void memory_region_ram_device_write(void *opaque, hwaddr addr,
+ uint64_t data, unsigned size)
+{
+ MemoryRegion *mr = opaque;
+
+ trace_memory_region_ram_device_write(get_cpu_index(), mr, addr, data, size);
+
+ switch (size) {
+ case 1:
+ *(uint8_t *)(mr->ram_block->host + addr) = (uint8_t)data;
+ break;
+ case 2:
+ *(uint16_t *)(mr->ram_block->host + addr) = (uint16_t)data;
+ break;
+ case 4:
+ *(uint32_t *)(mr->ram_block->host + addr) = (uint32_t)data;
+ break;
+ case 8:
+ *(uint64_t *)(mr->ram_block->host + addr) = data;
+ break;
+ }
+}
+
+static const MemoryRegionOps ram_device_mem_ops = {
+ .read = memory_region_ram_device_read,
+ .write = memory_region_ram_device_write,
+ .endianness = DEVICE_HOST_ENDIAN,
+ .valid = {
+ .min_access_size = 1,
+ .max_access_size = 8,
+ .unaligned = true,
+ },
+ .impl = {
+ .min_access_size = 1,
+ .max_access_size = 8,
+ .unaligned = true,
+ },
+};
+
bool memory_region_access_valid(MemoryRegion *mr,
hwaddr addr,
unsigned size,
return r;
}
+/* Return true if an eventfd was signalled */
+static bool memory_region_dispatch_write_eventfds(MemoryRegion *mr,
+ hwaddr addr,
+ uint64_t data,
+ unsigned size,
+ MemTxAttrs attrs)
+{
+ MemoryRegionIoeventfd ioeventfd = {
+ .addr = addrrange_make(int128_make64(addr), int128_make64(size)),
+ .data = data,
+ };
+ unsigned i;
+
+ for (i = 0; i < mr->ioeventfd_nb; i++) {
+ ioeventfd.match_data = mr->ioeventfds[i].match_data;
+ ioeventfd.e = mr->ioeventfds[i].e;
+
+ if (memory_region_ioeventfd_equal(ioeventfd, mr->ioeventfds[i])) {
+ event_notifier_set(ioeventfd.e);
+ return true;
+ }
+ }
+
+ return false;
+}
+
MemTxResult memory_region_dispatch_write(MemoryRegion *mr,
hwaddr addr,
uint64_t data,
adjust_endianness(mr, &data, size);
+ if ((!kvm_eventfds_enabled()) &&
+ memory_region_dispatch_write_eventfds(mr, addr, data, size, attrs)) {
+ return MEMTX_OK;
+ }
+
if (mr->ops->write) {
return access_with_adjusted_size(addr, &data, size,
mr->ops->impl.min_access_size,
uint64_t size)
{
memory_region_init(mr, owner, name, size);
- mr->ops = ops;
+ mr->ops = ops ? ops : &unassigned_mem_ops;
mr->opaque = opaque;
mr->terminates = true;
}
mr->ram = true;
mr->terminates = true;
mr->destructor = memory_region_destructor_ram;
- mr->ram_addr = qemu_ram_alloc(size, mr, errp);
+ mr->ram_block = qemu_ram_alloc(size, mr, errp);
mr->dirty_log_mask = tcg_enabled() ? (1 << DIRTY_MEMORY_CODE) : 0;
}
mr->ram = true;
mr->terminates = true;
mr->destructor = memory_region_destructor_ram;
- mr->ram_addr = qemu_ram_alloc_resizeable(size, max_size, resized, mr, errp);
+ mr->ram_block = qemu_ram_alloc_resizeable(size, max_size, resized,
+ mr, errp);
mr->dirty_log_mask = tcg_enabled() ? (1 << DIRTY_MEMORY_CODE) : 0;
}
mr->ram = true;
mr->terminates = true;
mr->destructor = memory_region_destructor_ram;
- mr->ram_addr = qemu_ram_alloc_from_file(size, mr, share, path, errp);
+ mr->ram_block = qemu_ram_alloc_from_file(size, mr, share, path, errp);
mr->dirty_log_mask = tcg_enabled() ? (1 << DIRTY_MEMORY_CODE) : 0;
}
#endif
memory_region_init(mr, owner, name, size);
mr->ram = true;
mr->terminates = true;
- mr->destructor = memory_region_destructor_ram_from_ptr;
+ 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_addr = qemu_ram_alloc_from_ptr(size, ptr, mr, &error_abort);
+ mr->ram_block = qemu_ram_alloc_from_ptr(size, ptr, mr, &error_fatal);
}
-void memory_region_set_skip_dump(MemoryRegion *mr)
+void memory_region_init_ram_device_ptr(MemoryRegion *mr,
+ Object *owner,
+ const char *name,
+ uint64_t size,
+ void *ptr)
{
- mr->skip_dump = true;
+ memory_region_init_ram_ptr(mr, owner, name, size, ptr);
+ mr->ram_device = true;
+ mr->ops = &ram_device_mem_ops;
+ mr->opaque = mr;
}
void memory_region_init_alias(MemoryRegion *mr,
uint64_t size)
{
memory_region_init(mr, owner, name, size);
- memory_region_ref(orig);
- mr->destructor = memory_region_destructor_alias;
mr->alias = orig;
mr->alias_offset = offset;
}
+void memory_region_init_rom(MemoryRegion *mr,
+ struct Object *owner,
+ const char *name,
+ uint64_t size,
+ Error **errp)
+{
+ memory_region_init(mr, owner, name, size);
+ mr->ram = true;
+ mr->readonly = true;
+ mr->terminates = true;
+ mr->destructor = memory_region_destructor_ram;
+ mr->ram_block = qemu_ram_alloc(size, mr, errp);
+ mr->dirty_log_mask = tcg_enabled() ? (1 << DIRTY_MEMORY_CODE) : 0;
+}
+
void memory_region_init_rom_device(MemoryRegion *mr,
Object *owner,
const MemoryRegionOps *ops,
uint64_t size,
Error **errp)
{
+ assert(ops);
memory_region_init(mr, owner, name, size);
mr->ops = ops;
mr->opaque = opaque;
mr->terminates = true;
mr->rom_device = true;
- mr->destructor = memory_region_destructor_rom_device;
- mr->ram_addr = qemu_ram_alloc(size, mr, errp);
+ mr->destructor = memory_region_destructor_ram;
+ mr->ram_block = qemu_ram_alloc(size, mr, errp);
}
void memory_region_init_iommu(MemoryRegion *mr,
memory_region_init(mr, owner, name, size);
mr->iommu_ops = ops,
mr->terminates = true; /* then re-forwards */
- notifier_list_init(&mr->iommu_notify);
-}
-
-void memory_region_init_reservation(MemoryRegion *mr,
- Object *owner,
- const char *name,
- uint64_t size)
-{
- memory_region_init_io(mr, owner, &unassigned_mem_ops, mr, name, size);
+ QLIST_INIT(&mr->iommu_notify);
+ mr->iommu_notify_flags = IOMMU_NOTIFIER_NONE;
}
static void memory_region_finalize(Object *obj)
{
MemoryRegion *mr = MEMORY_REGION(obj);
- assert(QTAILQ_EMPTY(&mr->subregions));
+ assert(!mr->container);
+
+ /* We know the region is not visible in any address space (it
+ * does not have a container and cannot be a root either because
+ * it has no references, so we can blindly clear mr->enabled.
+ * memory_region_set_enabled instead could trigger a transaction
+ * and cause an infinite loop.
+ */
+ mr->enabled = false;
+ memory_region_transaction_begin();
+ while (!QTAILQ_EMPTY(&mr->subregions)) {
+ MemoryRegion *subregion = QTAILQ_FIRST(&mr->subregions);
+ memory_region_del_subregion(mr, subregion);
+ }
+ memory_region_transaction_commit();
+
mr->destructor(mr);
memory_region_clear_coalescing(mr);
g_free((char *)mr->name);
* The memory region is a child of its owner. As long as the
* owner doesn't call unparent itself on the memory region,
* ref-ing the owner will also keep the memory region alive.
- * Memory regions without an owner are supposed to never go away,
- * but we still ref/unref them for debugging purposes.
+ * Memory regions without an owner are supposed to never go away;
+ * we do not ref/unref them because it slows down DMA sensibly.
*/
- Object *obj = OBJECT(mr);
- if (obj && obj->parent) {
- object_ref(obj->parent);
- } else {
- object_ref(obj);
+ if (mr && mr->owner) {
+ object_ref(mr->owner);
}
}
void memory_region_unref(MemoryRegion *mr)
{
- Object *obj = OBJECT(mr);
- if (obj && obj->parent) {
- object_unref(obj->parent);
- } else {
- object_unref(obj);
+ if (mr && mr->owner) {
+ object_unref(mr->owner);
}
}
return mr->name;
}
-bool memory_region_is_ram(MemoryRegion *mr)
-{
- return mr->ram;
-}
-
-bool memory_region_is_skip_dump(MemoryRegion *mr)
+bool memory_region_is_ram_device(MemoryRegion *mr)
{
- return mr->skip_dump;
+ return mr->ram_device;
}
uint8_t memory_region_get_dirty_log_mask(MemoryRegion *mr)
{
uint8_t mask = mr->dirty_log_mask;
- if (global_dirty_log) {
+ if (global_dirty_log && mr->ram_block) {
mask |= (1 << DIRTY_MEMORY_MIGRATION);
}
return mask;
return memory_region_get_dirty_log_mask(mr) & (1 << client);
}
-bool memory_region_is_rom(MemoryRegion *mr)
+static void memory_region_update_iommu_notify_flags(MemoryRegion *mr)
+{
+ IOMMUNotifierFlag flags = IOMMU_NOTIFIER_NONE;
+ IOMMUNotifier *iommu_notifier;
+
+ QLIST_FOREACH(iommu_notifier, &mr->iommu_notify, node) {
+ flags |= iommu_notifier->notifier_flags;
+ }
+
+ if (flags != mr->iommu_notify_flags &&
+ mr->iommu_ops->notify_flag_changed) {
+ mr->iommu_ops->notify_flag_changed(mr, mr->iommu_notify_flags,
+ flags);
+ }
+
+ mr->iommu_notify_flags = flags;
+}
+
+void memory_region_register_iommu_notifier(MemoryRegion *mr,
+ IOMMUNotifier *n)
{
- return mr->ram && mr->readonly;
+ if (mr->alias) {
+ memory_region_register_iommu_notifier(mr->alias, n);
+ return;
+ }
+
+ /* We need to register for at least one bitfield */
+ assert(n->notifier_flags != IOMMU_NOTIFIER_NONE);
+ QLIST_INSERT_HEAD(&mr->iommu_notify, n, node);
+ memory_region_update_iommu_notify_flags(mr);
}
-bool memory_region_is_iommu(MemoryRegion *mr)
+uint64_t memory_region_iommu_get_min_page_size(MemoryRegion *mr)
{
- return mr->iommu_ops;
+ assert(memory_region_is_iommu(mr));
+ if (mr->iommu_ops && mr->iommu_ops->get_min_page_size) {
+ return mr->iommu_ops->get_min_page_size(mr);
+ }
+ return TARGET_PAGE_SIZE;
}
-void memory_region_register_iommu_notifier(MemoryRegion *mr, Notifier *n)
+void memory_region_iommu_replay(MemoryRegion *mr, IOMMUNotifier *n,
+ bool is_write)
{
- notifier_list_add(&mr->iommu_notify, n);
+ hwaddr addr, granularity;
+ IOMMUTLBEntry iotlb;
+
+ granularity = memory_region_iommu_get_min_page_size(mr);
+
+ for (addr = 0; addr < memory_region_size(mr); addr += granularity) {
+ iotlb = mr->iommu_ops->translate(mr, addr, is_write);
+ if (iotlb.perm != IOMMU_NONE) {
+ n->notify(n, &iotlb);
+ }
+
+ /* if (2^64 - MR size) < granularity, it's possible to get an
+ * infinite loop here. This should catch such a wraparound */
+ if ((addr + granularity) < addr) {
+ break;
+ }
+ }
}
-void memory_region_unregister_iommu_notifier(Notifier *n)
+void memory_region_unregister_iommu_notifier(MemoryRegion *mr,
+ IOMMUNotifier *n)
{
- notifier_remove(n);
+ if (mr->alias) {
+ memory_region_unregister_iommu_notifier(mr->alias, n);
+ return;
+ }
+ QLIST_REMOVE(n, node);
+ memory_region_update_iommu_notify_flags(mr);
}
void memory_region_notify_iommu(MemoryRegion *mr,
IOMMUTLBEntry entry)
{
+ IOMMUNotifier *iommu_notifier;
+ IOMMUNotifierFlag request_flags;
+
assert(memory_region_is_iommu(mr));
- notifier_list_notify(&mr->iommu_notify, &entry);
+
+ if (entry.perm & IOMMU_RW) {
+ request_flags = IOMMU_NOTIFIER_MAP;
+ } else {
+ request_flags = IOMMU_NOTIFIER_UNMAP;
+ }
+
+ QLIST_FOREACH(iommu_notifier, &mr->iommu_notify, node) {
+ if (iommu_notifier->notifier_flags & request_flags) {
+ iommu_notifier->notify(iommu_notifier, &entry);
+ }
+ }
}
void memory_region_set_log(MemoryRegion *mr, bool log, unsigned client)
{
uint8_t mask = 1 << client;
+ uint8_t old_logging;
assert(client == DIRTY_MEMORY_VGA);
+ old_logging = mr->vga_logging_count;
+ mr->vga_logging_count += log ? 1 : -1;
+ if (!!old_logging == !!mr->vga_logging_count) {
+ return;
+ }
+
memory_region_transaction_begin();
mr->dirty_log_mask = (mr->dirty_log_mask & ~mask) | (log * mask);
memory_region_update_pending |= mr->enabled;
bool memory_region_get_dirty(MemoryRegion *mr, hwaddr addr,
hwaddr size, unsigned client)
{
- assert(mr->ram_addr != RAM_ADDR_INVALID);
- return cpu_physical_memory_get_dirty(mr->ram_addr + addr, size, 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)
{
- assert(mr->ram_addr != RAM_ADDR_INVALID);
- cpu_physical_memory_set_dirty_range(mr->ram_addr + addr, size,
+ assert(mr->ram_block);
+ cpu_physical_memory_set_dirty_range(memory_region_get_ram_addr(mr) + addr,
+ size,
memory_region_get_dirty_log_mask(mr));
}
bool memory_region_test_and_clear_dirty(MemoryRegion *mr, hwaddr addr,
hwaddr size, unsigned client)
{
- assert(mr->ram_addr != RAM_ADDR_INVALID);
- return cpu_physical_memory_test_and_clear_dirty(mr->ram_addr + addr,
- size, client);
+ assert(mr->ram_block);
+ return cpu_physical_memory_test_and_clear_dirty(
+ memory_region_get_ram_addr(mr) + addr, size, client);
}
void memory_region_sync_dirty_bitmap(MemoryRegion *mr)
{
+ MemoryListener *listener;
AddressSpace *as;
+ FlatView *view;
FlatRange *fr;
- QTAILQ_FOREACH(as, &address_spaces, address_spaces_link) {
- FlatView *view = address_space_get_flatview(as);
+ /* If the same address space has multiple log_sync listeners, we
+ * visit that address space's FlatView multiple times. But because
+ * log_sync listeners are rare, it's still cheaper than walking each
+ * address space once.
+ */
+ QTAILQ_FOREACH(listener, &memory_listeners, link) {
+ if (!listener->log_sync) {
+ continue;
+ }
+ as = listener->address_space;
+ view = address_space_get_flatview(as);
FOR_EACH_FLAT_RANGE(fr, view) {
if (fr->mr == mr) {
- MEMORY_LISTENER_UPDATE_REGION(fr, as, Forward, log_sync);
+ MemoryRegionSection mrs = section_from_flat_range(fr, as);
+ listener->log_sync(listener, &mrs);
}
}
flatview_unref(view);
void memory_region_reset_dirty(MemoryRegion *mr, hwaddr addr,
hwaddr size, unsigned client)
{
- assert(mr->ram_addr != RAM_ADDR_INVALID);
- cpu_physical_memory_test_and_clear_dirty(mr->ram_addr + addr, size,
- client);
+ assert(mr->ram_block);
+ cpu_physical_memory_test_and_clear_dirty(
+ memory_region_get_ram_addr(mr) + addr, size, client);
}
int memory_region_get_fd(MemoryRegion *mr)
{
- if (mr->alias) {
- return memory_region_get_fd(mr->alias);
+ int fd;
+
+ rcu_read_lock();
+ while (mr->alias) {
+ mr = mr->alias;
}
+ fd = mr->ram_block->fd;
+ rcu_read_unlock();
- assert(mr->ram_addr != RAM_ADDR_INVALID);
+ return fd;
+}
- return qemu_get_ram_fd(mr->ram_addr & TARGET_PAGE_MASK);
+void memory_region_set_fd(MemoryRegion *mr, int fd)
+{
+ rcu_read_lock();
+ while (mr->alias) {
+ mr = mr->alias;
+ }
+ mr->ram_block->fd = fd;
+ rcu_read_unlock();
}
void *memory_region_get_ram_ptr(MemoryRegion *mr)
{
- if (mr->alias) {
- return memory_region_get_ram_ptr(mr->alias) + mr->alias_offset;
+ void *ptr;
+ uint64_t offset = 0;
+
+ rcu_read_lock();
+ while (mr->alias) {
+ offset += mr->alias_offset;
+ mr = mr->alias;
+ }
+ assert(mr->ram_block);
+ ptr = qemu_map_ram_ptr(mr->ram_block, offset);
+ rcu_read_unlock();
+
+ return ptr;
+}
+
+MemoryRegion *memory_region_from_host(void *ptr, ram_addr_t *offset)
+{
+ RAMBlock *block;
+
+ block = qemu_ram_block_from_host(ptr, false, offset);
+ if (!block) {
+ return NULL;
}
- assert(mr->ram_addr != RAM_ADDR_INVALID);
+ return block->mr;
+}
- return qemu_get_ram_ptr(mr->ram_addr & TARGET_PAGE_MASK);
+ram_addr_t memory_region_get_ram_addr(MemoryRegion *mr)
+{
+ return mr->ram_block ? mr->ram_block->offset : RAM_ADDR_INVALID;
}
void memory_region_ram_resize(MemoryRegion *mr, ram_addr_t newsize, Error **errp)
{
- assert(mr->ram_addr != RAM_ADDR_INVALID);
+ assert(mr->ram_block);
- qemu_ram_resize(mr->ram_addr, newsize, errp);
+ qemu_ram_resize(mr->ram_block, newsize, errp);
}
static void memory_region_update_coalesced_range_as(MemoryRegion *mr, AddressSpace *as)
.size = fr->addr.size,
};
- MEMORY_LISTENER_CALL(coalesced_mmio_del, Reverse, §ion,
+ MEMORY_LISTENER_CALL(as, coalesced_mmio_del, Reverse, §ion,
int128_get64(fr->addr.start),
int128_get64(fr->addr.size));
QTAILQ_FOREACH(cmr, &mr->coalesced, link) {
continue;
}
tmp = addrrange_intersection(tmp, fr->addr);
- MEMORY_LISTENER_CALL(coalesced_mmio_add, Forward, §ion,
+ MEMORY_LISTENER_CALL(as, coalesced_mmio_add, Forward, §ion,
int128_get64(tmp.start),
int128_get64(tmp.size));
}
mr->global_locking = false;
}
+static bool userspace_eventfd_warning;
+
void memory_region_add_eventfd(MemoryRegion *mr,
hwaddr addr,
unsigned size,
};
unsigned i;
- adjust_endianness(mr, &mrfd.data, size);
+ if (kvm_enabled() && (!(kvm_eventfds_enabled() ||
+ userspace_eventfd_warning))) {
+ userspace_eventfd_warning = true;
+ error_report("Using eventfd without MMIO binding in KVM. "
+ "Suboptimal performance expected");
+ }
+
+ if (size) {
+ adjust_endianness(mr, &mrfd.data, size);
+ }
memory_region_transaction_begin();
for (i = 0; i < mr->ioeventfd_nb; ++i) {
if (memory_region_ioeventfd_before(mrfd, mr->ioeventfds[i])) {
};
unsigned i;
- adjust_endianness(mr, &mrfd.data, size);
+ if (size) {
+ adjust_endianness(mr, &mrfd.data, size);
+ }
memory_region_transaction_begin();
for (i = 0; i < mr->ioeventfd_nb; ++i) {
if (memory_region_ioeventfd_equal(mrfd, mr->ioeventfds[i])) {
static void memory_region_update_container_subregions(MemoryRegion *subregion)
{
- hwaddr offset = subregion->addr;
MemoryRegion *mr = subregion->container;
MemoryRegion *other;
memory_region_transaction_begin();
memory_region_ref(subregion);
- QTAILQ_FOREACH(other, &mr->subregions, subregions_link) {
- if (subregion->may_overlap || other->may_overlap) {
- continue;
- }
- if (int128_ge(int128_make64(offset),
- int128_add(int128_make64(other->addr), other->size))
- || int128_le(int128_add(int128_make64(offset), subregion->size),
- int128_make64(other->addr))) {
- continue;
- }
-#if 0
- printf("warning: subregion collision %llx/%llx (%s) "
- "vs %llx/%llx (%s)\n",
- (unsigned long long)offset,
- (unsigned long long)int128_get64(subregion->size),
- subregion->name,
- (unsigned long long)other->addr,
- (unsigned long long)int128_get64(other->size),
- other->name);
-#endif
- }
QTAILQ_FOREACH(other, &mr->subregions, subregions_link) {
if (subregion->priority >= other->priority) {
QTAILQ_INSERT_BEFORE(other, subregion, subregions_link);
hwaddr offset,
MemoryRegion *subregion)
{
- subregion->may_overlap = false;
subregion->priority = 0;
memory_region_add_subregion_common(mr, offset, subregion);
}
MemoryRegion *subregion,
int priority)
{
- subregion->may_overlap = true;
subregion->priority = priority;
memory_region_add_subregion_common(mr, offset, subregion);
}
memory_region_transaction_commit();
}
-ram_addr_t memory_region_get_ram_addr(MemoryRegion *mr)
-{
- return mr->ram_addr;
-}
-
uint64_t memory_region_get_alignment(const MemoryRegion *mr)
{
return mr->align;
return mr && mr != container;
}
-void address_space_sync_dirty_bitmap(AddressSpace *as)
+void memory_global_dirty_log_sync(void)
{
+ MemoryListener *listener;
+ AddressSpace *as;
FlatView *view;
FlatRange *fr;
- view = address_space_get_flatview(as);
- FOR_EACH_FLAT_RANGE(fr, view) {
- MEMORY_LISTENER_UPDATE_REGION(fr, as, Forward, log_sync);
+ QTAILQ_FOREACH(listener, &memory_listeners, link) {
+ if (!listener->log_sync) {
+ continue;
+ }
+ as = listener->address_space;
+ view = address_space_get_flatview(as);
+ FOR_EACH_FLAT_RANGE(fr, view) {
+ if (fr->dirty_log_mask) {
+ MemoryRegionSection mrs = section_from_flat_range(fr, as);
+ listener->log_sync(listener, &mrs);
+ }
+ }
+ flatview_unref(view);
}
- flatview_unref(view);
}
void memory_global_dirty_log_start(void)
FlatView *view;
FlatRange *fr;
- if (listener->address_space_filter
- && listener->address_space_filter != as) {
- return;
+ if (listener->begin) {
+ listener->begin(listener);
}
-
if (global_dirty_log) {
if (listener->log_global_start) {
listener->log_global_start(listener);
.offset_within_address_space = int128_get64(fr->addr.start),
.readonly = fr->readonly,
};
+ if (fr->dirty_log_mask && listener->log_start) {
+ listener->log_start(listener, §ion, 0, fr->dirty_log_mask);
+ }
if (listener->region_add) {
listener->region_add(listener, §ion);
}
}
+ if (listener->commit) {
+ listener->commit(listener);
+ }
flatview_unref(view);
}
-void memory_listener_register(MemoryListener *listener, AddressSpace *filter)
+void memory_listener_register(MemoryListener *listener, AddressSpace *as)
{
MemoryListener *other = NULL;
- AddressSpace *as;
- listener->address_space_filter = filter;
+ listener->address_space = as;
if (QTAILQ_EMPTY(&memory_listeners)
|| listener->priority >= QTAILQ_LAST(&memory_listeners,
memory_listeners)->priority) {
QTAILQ_INSERT_BEFORE(other, listener, link);
}
- QTAILQ_FOREACH(as, &address_spaces, address_spaces_link) {
- listener_add_address_space(listener, as);
+ if (QTAILQ_EMPTY(&as->listeners)
+ || listener->priority >= QTAILQ_LAST(&as->listeners,
+ memory_listeners)->priority) {
+ QTAILQ_INSERT_TAIL(&as->listeners, listener, link_as);
+ } else {
+ QTAILQ_FOREACH(other, &as->listeners, link_as) {
+ if (listener->priority < other->priority) {
+ break;
+ }
+ }
+ QTAILQ_INSERT_BEFORE(other, listener, link_as);
}
+
+ listener_add_address_space(listener, as);
}
void memory_listener_unregister(MemoryListener *listener)
{
+ if (!listener->address_space) {
+ return;
+ }
+
QTAILQ_REMOVE(&memory_listeners, listener, link);
+ QTAILQ_REMOVE(&listener->address_space->listeners, listener, link_as);
+ listener->address_space = NULL;
}
void address_space_init(AddressSpace *as, MemoryRegion *root, const char *name)
{
memory_region_ref(root);
memory_region_transaction_begin();
+ as->ref_count = 1;
as->root = root;
+ as->malloced = false;
as->current_map = g_new(FlatView, 1);
flatview_init(as->current_map);
as->ioeventfd_nb = 0;
as->ioeventfds = NULL;
+ QTAILQ_INIT(&as->listeners);
QTAILQ_INSERT_TAIL(&address_spaces, as, address_spaces_link);
as->name = g_strdup(name ? name : "anonymous");
address_space_init_dispatch(as);
static void do_address_space_destroy(AddressSpace *as)
{
- MemoryListener *listener;
+ bool do_free = as->malloced;
address_space_destroy_dispatch(as);
-
- QTAILQ_FOREACH(listener, &memory_listeners, link) {
- assert(listener->address_space_filter != as);
- }
+ assert(QTAILQ_EMPTY(&as->listeners));
flatview_unref(as->current_map);
g_free(as->name);
g_free(as->ioeventfds);
memory_region_unref(as->root);
+ if (do_free) {
+ g_free(as);
+ }
+}
+
+AddressSpace *address_space_init_shareable(MemoryRegion *root, const char *name)
+{
+ AddressSpace *as;
+
+ QTAILQ_FOREACH(as, &address_spaces, address_spaces_link) {
+ if (root == as->root && as->malloced) {
+ as->ref_count++;
+ return as;
+ }
+ }
+
+ as = g_malloc0(sizeof *as);
+ address_space_init(as, root, name);
+ as->malloced = true;
+ return as;
}
void address_space_destroy(AddressSpace *as)
{
MemoryRegion *root = as->root;
+ as->ref_count--;
+ if (as->ref_count) {
+ return;
+ }
/* Flush out anything from MemoryListeners listening in on this */
memory_region_transaction_begin();
as->root = NULL;
call_rcu(as, do_address_space_destroy, rcu);
}
+static const char *memory_region_type(MemoryRegion *mr)
+{
+ if (memory_region_is_ram_device(mr)) {
+ return "ramd";
+ } else if (memory_region_is_romd(mr)) {
+ return "romd";
+ } else if (memory_region_is_rom(mr)) {
+ return "rom";
+ } else if (memory_region_is_ram(mr)) {
+ return "ram";
+ } else {
+ return "i/o";
+ }
+}
+
typedef struct MemoryRegionList MemoryRegionList;
struct MemoryRegionList {
typedef QTAILQ_HEAD(queue, MemoryRegionList) MemoryRegionListHead;
+#define MR_SIZE(size) (int128_nz(size) ? (hwaddr)int128_get64( \
+ int128_sub((size), int128_one())) : 0)
+#define MTREE_INDENT " "
+
static void mtree_print_mr(fprintf_function mon_printf, void *f,
const MemoryRegion *mr, unsigned int level,
hwaddr base,
MemoryRegionListHead submr_print_queue;
const MemoryRegion *submr;
unsigned int i;
+ hwaddr cur_start, cur_end;
if (!mr) {
return;
}
for (i = 0; i < level; i++) {
- mon_printf(f, " ");
+ mon_printf(f, MTREE_INDENT);
+ }
+
+ cur_start = base + mr->addr;
+ cur_end = cur_start + MR_SIZE(mr->size);
+
+ /*
+ * Try to detect overflow of memory region. This should never
+ * happen normally. When it happens, we dump something to warn the
+ * user who is observing this.
+ */
+ if (cur_start < base || cur_end < cur_start) {
+ mon_printf(f, "[DETECTED OVERFLOW!] ");
}
if (mr->alias) {
QTAILQ_INSERT_TAIL(alias_print_queue, ml, queue);
}
mon_printf(f, TARGET_FMT_plx "-" TARGET_FMT_plx
- " (prio %d, %c%c): alias %s @%s " TARGET_FMT_plx
+ " (prio %d, %s): alias %s @%s " TARGET_FMT_plx
"-" TARGET_FMT_plx "%s\n",
- base + mr->addr,
- base + mr->addr
- + (int128_nz(mr->size) ?
- (hwaddr)int128_get64(int128_sub(mr->size,
- int128_one())) : 0),
+ cur_start, cur_end,
mr->priority,
- mr->romd_mode ? 'R' : '-',
- !mr->readonly && !(mr->rom_device && mr->romd_mode) ? 'W'
- : '-',
+ memory_region_type((MemoryRegion *)mr),
memory_region_name(mr),
memory_region_name(mr->alias),
mr->alias_offset,
- mr->alias_offset
- + (int128_nz(mr->size) ?
- (hwaddr)int128_get64(int128_sub(mr->size,
- int128_one())) : 0),
+ mr->alias_offset + MR_SIZE(mr->size),
mr->enabled ? "" : " [disabled]");
} else {
mon_printf(f,
- TARGET_FMT_plx "-" TARGET_FMT_plx " (prio %d, %c%c): %s%s\n",
- base + mr->addr,
- base + mr->addr
- + (int128_nz(mr->size) ?
- (hwaddr)int128_get64(int128_sub(mr->size,
- int128_one())) : 0),
+ TARGET_FMT_plx "-" TARGET_FMT_plx " (prio %d, %s): %s%s\n",
+ cur_start, cur_end,
mr->priority,
- mr->romd_mode ? 'R' : '-',
- !mr->readonly && !(mr->rom_device && mr->romd_mode) ? 'W'
- : '-',
+ memory_region_type((MemoryRegion *)mr),
memory_region_name(mr),
mr->enabled ? "" : " [disabled]");
}
}
QTAILQ_FOREACH(ml, &submr_print_queue, queue) {
- mtree_print_mr(mon_printf, f, ml->mr, level + 1, base + mr->addr,
+ mtree_print_mr(mon_printf, f, ml->mr, level + 1, cur_start,
alias_print_queue);
}
}
}
-void mtree_info(fprintf_function mon_printf, void *f)
+static void mtree_print_flatview(fprintf_function p, void *f,
+ AddressSpace *as)
+{
+ FlatView *view = address_space_get_flatview(as);
+ FlatRange *range = &view->ranges[0];
+ MemoryRegion *mr;
+ int n = view->nr;
+
+ if (n <= 0) {
+ p(f, MTREE_INDENT "No rendered FlatView for "
+ "address space '%s'\n", as->name);
+ flatview_unref(view);
+ 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 @" TARGET_FMT_plx "\n",
+ int128_get64(range->addr.start),
+ int128_get64(range->addr.start) + MR_SIZE(range->addr.size),
+ mr->priority,
+ 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\n",
+ int128_get64(range->addr.start),
+ int128_get64(range->addr.start) + MR_SIZE(range->addr.size),
+ mr->priority,
+ range->readonly ? "rom" : memory_region_type(mr),
+ memory_region_name(mr));
+ }
+ range++;
+ }
+
+ flatview_unref(view);
+}
+
+void mtree_info(fprintf_function mon_printf, void *f, bool flatview)
{
MemoryRegionListHead ml_head;
MemoryRegionList *ml, *ml2;
AddressSpace *as;
+ if (flatview) {
+ QTAILQ_FOREACH(as, &address_spaces, address_spaces_link) {
+ mon_printf(f, "address-space (flat view): %s\n", as->name);
+ mtree_print_flatview(mon_printf, f, as);
+ mon_printf(f, "\n");
+ }
+ return;
+ }
+
QTAILQ_INIT(&ml_head);
QTAILQ_FOREACH(as, &address_spaces, address_spaces_link) {
projects / mirror_qemu.git / blobdiff