#include "exec-obsolete.h"
unsigned memory_region_transaction_depth = 0;
-static bool memory_region_update_pending = false;
static bool global_dirty_log = false;
-static QLIST_HEAD(, MemoryListener) memory_listeners
- = QLIST_HEAD_INITIALIZER(memory_listeners);
+static QTAILQ_HEAD(memory_listeners, MemoryListener) memory_listeners
+ = QTAILQ_HEAD_INITIALIZER(memory_listeners);
typedef struct AddrRange AddrRange;
return addrrange_make(start, int128_sub(end, start));
}
+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; \
+ \
+ switch (_direction) { \
+ case Forward: \
+ QTAILQ_FOREACH(_listener, &memory_listeners, link) { \
+ _listener->_callback(_listener, ##_args); \
+ } \
+ break; \
+ case Reverse: \
+ QTAILQ_FOREACH_REVERSE(_listener, &memory_listeners, \
+ memory_listeners, link) { \
+ _listener->_callback(_listener, ##_args); \
+ } \
+ break; \
+ default: \
+ abort(); \
+ } \
+ } while (0)
+
+#define MEMORY_LISTENER_CALL(_callback, _direction, _section, _args...) \
+ do { \
+ MemoryListener *_listener; \
+ \
+ switch (_direction) { \
+ case Forward: \
+ QTAILQ_FOREACH(_listener, &memory_listeners, link) { \
+ if (memory_listener_match(_listener, _section)) { \
+ _listener->_callback(_listener, _section, ##_args); \
+ } \
+ } \
+ break; \
+ case Reverse: \
+ QTAILQ_FOREACH_REVERSE(_listener, &memory_listeners, \
+ memory_listeners, link) { \
+ if (memory_listener_match(_listener, _section)) { \
+ _listener->_callback(_listener, _section, ##_args); \
+ } \
+ } \
+ break; \
+ default: \
+ abort(); \
+ } \
+ } while (0)
+
+#define MEMORY_LISTENER_UPDATE_REGION(fr, as, dir, callback) \
+ MEMORY_LISTENER_CALL(callback, dir, (&(MemoryRegionSection) { \
+ .mr = (fr)->mr, \
+ .address_space = (as)->root, \
+ .offset_within_region = (fr)->offset_in_region, \
+ .size = int128_get64((fr)->addr.size), \
+ .offset_within_address_space = int128_get64((fr)->addr.start), \
+ .readonly = (fr)->readonly, \
+ }))
+
struct CoalescedMemoryRange {
AddrRange addr;
QTAILQ_ENTRY(CoalescedMemoryRange) link;
AddrRange addr;
bool match_data;
uint64_t data;
- int fd;
+ EventNotifier *e;
};
static bool memory_region_ioeventfd_before(MemoryRegionIoeventfd a,
return false;
}
}
- if (a.fd < b.fd) {
+ if (a.e < b.e) {
return true;
- } else if (a.fd > b.fd) {
+ } else if (a.e > b.e) {
return false;
}
return false;
/* A system address space - I/O, memory, etc. */
struct AddressSpace {
- const AddressSpaceOps *ops;
MemoryRegion *root;
FlatView current_map;
int ioeventfd_nb;
MemoryRegionIoeventfd *ioeventfds;
};
-struct AddressSpaceOps {
- void (*range_add)(AddressSpace *as, FlatRange *fr);
- void (*range_del)(AddressSpace *as, FlatRange *fr);
- void (*log_start)(AddressSpace *as, FlatRange *fr);
- void (*log_stop)(AddressSpace *as, FlatRange *fr);
- void (*ioeventfd_add)(AddressSpace *as, MemoryRegionIoeventfd *fd);
- void (*ioeventfd_del)(AddressSpace *as, MemoryRegionIoeventfd *fd);
-};
-
#define FOR_EACH_FLAT_RANGE(var, view) \
for (var = (view)->ranges; var < (view)->ranges + (view)->nr; ++var)
MemoryRegion *mr = opaque;
uint64_t tmp;
+ if (mr->flush_coalesced_mmio) {
+ qemu_flush_coalesced_mmio_buffer();
+ }
tmp = mr->ops->read(mr->opaque, addr, size);
*value |= (tmp & mask) << shift;
}
MemoryRegion *mr = opaque;
uint64_t tmp;
+ if (mr->flush_coalesced_mmio) {
+ qemu_flush_coalesced_mmio_buffer();
+ }
tmp = (*value >> shift) & mask;
mr->ops->write(mr->opaque, addr, tmp, size);
}
}
}
-static void as_memory_range_add(AddressSpace *as, FlatRange *fr)
-{
- MemoryRegionSection section = {
- .mr = fr->mr,
- .offset_within_address_space = int128_get64(fr->addr.start),
- .offset_within_region = fr->offset_in_region,
- .size = int128_get64(fr->addr.size),
- };
-
- cpu_register_physical_memory_log(§ion, fr->readable, fr->readonly);
-}
-
-static void as_memory_range_del(AddressSpace *as, FlatRange *fr)
-{
- MemoryRegionSection section = {
- .mr = &io_mem_unassigned,
- .offset_within_address_space = int128_get64(fr->addr.start),
- .offset_within_region = int128_get64(fr->addr.start),
- .size = int128_get64(fr->addr.size),
- };
-
- cpu_register_physical_memory_log(§ion, true, false);
-}
-
-static void as_memory_log_start(AddressSpace *as, FlatRange *fr)
-{
-}
-
-static void as_memory_log_stop(AddressSpace *as, FlatRange *fr)
-{
-}
-
-static void as_memory_ioeventfd_add(AddressSpace *as, MemoryRegionIoeventfd *fd)
-{
- int r;
-
- assert(fd->match_data && int128_get64(fd->addr.size) == 4);
-
- r = kvm_set_ioeventfd_mmio_long(fd->fd, int128_get64(fd->addr.start),
- fd->data, true);
- if (r < 0) {
- abort();
- }
-}
-
-static void as_memory_ioeventfd_del(AddressSpace *as, MemoryRegionIoeventfd *fd)
-{
- int r;
-
- r = kvm_set_ioeventfd_mmio_long(fd->fd, int128_get64(fd->addr.start),
- fd->data, false);
- if (r < 0) {
- abort();
- }
-}
-
-static const AddressSpaceOps address_space_ops_memory = {
- .range_add = as_memory_range_add,
- .range_del = as_memory_range_del,
- .log_start = as_memory_log_start,
- .log_stop = as_memory_log_stop,
- .ioeventfd_add = as_memory_ioeventfd_add,
- .ioeventfd_del = as_memory_ioeventfd_del,
-};
-
-static AddressSpace address_space_memory = {
- .ops = &address_space_ops_memory,
-};
+static AddressSpace address_space_memory;
static const MemoryRegionPortio *find_portio(MemoryRegion *mr, uint64_t offset,
unsigned width, bool write)
unsigned width,
uint64_t *data)
{
- MemoryRegion *mr = container_of(iorange, MemoryRegion, iorange);
+ MemoryRegionIORange *mrio
+ = container_of(iorange, MemoryRegionIORange, iorange);
+ MemoryRegion *mr = mrio->mr;
+ offset += mrio->offset;
if (mr->ops->old_portio) {
- const MemoryRegionPortio *mrp = find_portio(mr, offset, width, false);
+ const MemoryRegionPortio *mrp = find_portio(mr, offset - mrio->offset,
+ width, false);
*data = ((uint64_t)1 << (width * 8)) - 1;
if (mrp) {
- *data = mrp->read(mr->opaque, offset + mr->offset);
+ *data = mrp->read(mr->opaque, offset);
} else if (width == 2) {
- mrp = find_portio(mr, offset, 1, false);
+ mrp = find_portio(mr, offset - mrio->offset, 1, false);
assert(mrp);
- *data = mrp->read(mr->opaque, offset + mr->offset) |
- (mrp->read(mr->opaque, offset + mr->offset + 1) << 8);
+ *data = mrp->read(mr->opaque, offset) |
+ (mrp->read(mr->opaque, offset + 1) << 8);
}
return;
}
*data = 0;
- access_with_adjusted_size(offset + mr->offset, data, width,
+ access_with_adjusted_size(offset, data, width,
mr->ops->impl.min_access_size,
mr->ops->impl.max_access_size,
memory_region_read_accessor, mr);
unsigned width,
uint64_t data)
{
- MemoryRegion *mr = container_of(iorange, MemoryRegion, iorange);
+ MemoryRegionIORange *mrio
+ = container_of(iorange, MemoryRegionIORange, iorange);
+ MemoryRegion *mr = mrio->mr;
+ offset += mrio->offset;
if (mr->ops->old_portio) {
- const MemoryRegionPortio *mrp = find_portio(mr, offset, width, true);
+ const MemoryRegionPortio *mrp = find_portio(mr, offset - mrio->offset,
+ width, true);
if (mrp) {
- mrp->write(mr->opaque, offset + mr->offset, data);
+ mrp->write(mr->opaque, offset, data);
} else if (width == 2) {
- mrp = find_portio(mr, offset, 1, false);
+ mrp = find_portio(mr, offset - mrio->offset, 1, true);
assert(mrp);
- mrp->write(mr->opaque, offset + mr->offset, data & 0xff);
- mrp->write(mr->opaque, offset + mr->offset + 1, data >> 8);
+ mrp->write(mr->opaque, offset, data & 0xff);
+ mrp->write(mr->opaque, offset + 1, data >> 8);
}
return;
}
- access_with_adjusted_size(offset + mr->offset, &data, width,
+ access_with_adjusted_size(offset, &data, width,
mr->ops->impl.min_access_size,
mr->ops->impl.max_access_size,
memory_region_write_accessor, mr);
}
-static const IORangeOps memory_region_iorange_ops = {
- .read = memory_region_iorange_read,
- .write = memory_region_iorange_write,
-};
-
-static void as_io_range_add(AddressSpace *as, FlatRange *fr)
-{
- iorange_init(&fr->mr->iorange, &memory_region_iorange_ops,
- int128_get64(fr->addr.start), int128_get64(fr->addr.size));
- ioport_register(&fr->mr->iorange);
-}
-
-static void as_io_range_del(AddressSpace *as, FlatRange *fr)
-{
- isa_unassign_ioport(int128_get64(fr->addr.start),
- int128_get64(fr->addr.size));
-}
-
-static void as_io_ioeventfd_add(AddressSpace *as, MemoryRegionIoeventfd *fd)
+static void memory_region_iorange_destructor(IORange *iorange)
{
- int r;
-
- assert(fd->match_data && int128_get64(fd->addr.size) == 2);
-
- r = kvm_set_ioeventfd_pio_word(fd->fd, int128_get64(fd->addr.start),
- fd->data, true);
- if (r < 0) {
- abort();
- }
-}
-
-static void as_io_ioeventfd_del(AddressSpace *as, MemoryRegionIoeventfd *fd)
-{
- int r;
-
- r = kvm_set_ioeventfd_pio_word(fd->fd, int128_get64(fd->addr.start),
- fd->data, false);
- if (r < 0) {
- abort();
- }
+ g_free(container_of(iorange, MemoryRegionIORange, iorange));
}
-static const AddressSpaceOps address_space_ops_io = {
- .range_add = as_io_range_add,
- .range_del = as_io_range_del,
- .ioeventfd_add = as_io_ioeventfd_add,
- .ioeventfd_del = as_io_ioeventfd_del,
+const IORangeOps memory_region_iorange_ops = {
+ .read = memory_region_iorange_read,
+ .write = memory_region_iorange_write,
+ .destructor = memory_region_iorange_destructor,
};
-static AddressSpace address_space_io = {
- .ops = &address_space_ops_io,
-};
+static AddressSpace address_space_io;
static AddressSpace *memory_region_to_address_space(MemoryRegion *mr)
{
unsigned fds_old_nb)
{
unsigned iold, inew;
+ MemoryRegionIoeventfd *fd;
+ MemoryRegionSection section;
/* Generate a symmetric difference of the old and new fd sets, adding
* and deleting as necessary.
&& (inew == fds_new_nb
|| memory_region_ioeventfd_before(fds_old[iold],
fds_new[inew]))) {
- as->ops->ioeventfd_del(as, &fds_old[iold]);
+ fd = &fds_old[iold];
+ section = (MemoryRegionSection) {
+ .address_space = as->root,
+ .offset_within_address_space = int128_get64(fd->addr.start),
+ .size = int128_get64(fd->addr.size),
+ };
+ MEMORY_LISTENER_CALL(eventfd_del, Forward, §ion,
+ fd->match_data, fd->data, fd->e);
++iold;
} else if (inew < fds_new_nb
&& (iold == fds_old_nb
|| memory_region_ioeventfd_before(fds_new[inew],
fds_old[iold]))) {
- as->ops->ioeventfd_add(as, &fds_new[inew]);
+ fd = &fds_new[inew];
+ section = (MemoryRegionSection) {
+ .address_space = as->root,
+ .offset_within_address_space = int128_get64(fd->addr.start),
+ .size = int128_get64(fd->addr.size),
+ };
+ MEMORY_LISTENER_CALL(eventfd_add, Reverse, §ion,
+ fd->match_data, fd->data, fd->e);
++inew;
} else {
++iold;
as->ioeventfd_nb = ioeventfd_nb;
}
-typedef void ListenerCallback(MemoryListener *listener,
- MemoryRegionSection *mrs);
-
-/* Want "void (&MemoryListener::*callback)(const MemoryRegionSection& s)" */
-static void memory_listener_update_region(FlatRange *fr, AddressSpace *as,
- size_t callback_offset)
-{
- MemoryRegionSection section = {
- .mr = fr->mr,
- .address_space = as->root,
- .offset_within_region = fr->offset_in_region,
- .size = int128_get64(fr->addr.size),
- .offset_within_address_space = int128_get64(fr->addr.start),
- };
- MemoryListener *listener;
-
- QLIST_FOREACH(listener, &memory_listeners, link) {
- ListenerCallback *callback
- = *(ListenerCallback **)((void *)listener + callback_offset);
- callback(listener, §ion);
- }
-}
-
-#define MEMORY_LISTENER_UPDATE_REGION(fr, as, callback) \
- memory_listener_update_region(fr, as, offsetof(MemoryListener, callback))
-
static void address_space_update_topology_pass(AddressSpace *as,
FlatView old_view,
FlatView new_view,
/* In old, but (not in new, or in new but attributes changed). */
if (!adding) {
- MEMORY_LISTENER_UPDATE_REGION(frold, as, region_del);
- as->ops->range_del(as, frold);
+ MEMORY_LISTENER_UPDATE_REGION(frold, as, Reverse, region_del);
}
++iold;
/* In both (logging may have changed) */
if (adding) {
+ MEMORY_LISTENER_UPDATE_REGION(frnew, as, Forward, region_nop);
if (frold->dirty_log_mask && !frnew->dirty_log_mask) {
- MEMORY_LISTENER_UPDATE_REGION(frnew, as, log_stop);
- as->ops->log_stop(as, frnew);
+ MEMORY_LISTENER_UPDATE_REGION(frnew, as, Reverse, log_stop);
} else if (frnew->dirty_log_mask && !frold->dirty_log_mask) {
- as->ops->log_start(as, frnew);
- MEMORY_LISTENER_UPDATE_REGION(frnew, as, log_start);
+ MEMORY_LISTENER_UPDATE_REGION(frnew, as, Forward, log_start);
}
}
/* In new */
if (adding) {
- as->ops->range_add(as, frnew);
- MEMORY_LISTENER_UPDATE_REGION(frnew, as, region_add);
+ MEMORY_LISTENER_UPDATE_REGION(frnew, as, Forward, region_add);
}
++inew;
address_space_update_ioeventfds(as);
}
-static void memory_region_update_topology(MemoryRegion *mr)
-{
- if (memory_region_transaction_depth) {
- memory_region_update_pending |= !mr || mr->enabled;
- return;
- }
-
- if (mr && !mr->enabled) {
- return;
- }
-
- if (address_space_memory.root) {
- address_space_update_topology(&address_space_memory);
- }
- if (address_space_io.root) {
- address_space_update_topology(&address_space_io);
- }
-
- memory_region_update_pending = false;
-}
-
void memory_region_transaction_begin(void)
{
+ qemu_flush_coalesced_mmio_buffer();
++memory_region_transaction_depth;
}
{
assert(memory_region_transaction_depth);
--memory_region_transaction_depth;
- if (!memory_region_transaction_depth && memory_region_update_pending) {
- memory_region_update_topology(NULL);
+ if (!memory_region_transaction_depth) {
+ MEMORY_LISTENER_CALL_GLOBAL(begin, Forward);
+
+ if (address_space_memory.root) {
+ address_space_update_topology(&address_space_memory);
+ }
+ if (address_space_io.root) {
+ address_space_update_topology(&address_space_io);
+ }
+
+ MEMORY_LISTENER_CALL_GLOBAL(commit, Forward);
}
}
static void memory_region_destructor_iomem(MemoryRegion *mr)
{
- cpu_unregister_io_memory(mr->ram_addr);
}
static void memory_region_destructor_rom_device(MemoryRegion *mr)
{
qemu_ram_free(mr->ram_addr & TARGET_PAGE_MASK);
- cpu_unregister_io_memory(mr->ram_addr & ~TARGET_PAGE_MASK);
}
static bool memory_region_wrong_endianness(MemoryRegion *mr)
mr->size = int128_2_64();
}
mr->addr = 0;
- mr->offset = 0;
mr->subpage = false;
mr->enabled = true;
mr->terminates = false;
mr->dirty_log_mask = 0;
mr->ioeventfd_nb = 0;
mr->ioeventfds = NULL;
+ mr->flush_coalesced_mmio = false;
}
static bool memory_region_access_valid(MemoryRegion *mr,
}
/* FIXME: support unaligned access */
- access_with_adjusted_size(addr + mr->offset, &data, size,
+ access_with_adjusted_size(addr, &data, size,
mr->ops->impl.min_access_size,
mr->ops->impl.max_access_size,
memory_region_read_accessor, mr);
}
/* FIXME: support unaligned access */
- access_with_adjusted_size(addr + mr->offset, &data, size,
+ access_with_adjusted_size(addr, &data, size,
mr->ops->impl.min_access_size,
mr->ops->impl.max_access_size,
memory_region_write_accessor, mr);
mr->opaque = opaque;
mr->terminates = true;
mr->destructor = memory_region_destructor_iomem;
- mr->ram_addr = cpu_register_io_memory(mr);
+ mr->ram_addr = ~(ram_addr_t)0;
}
void memory_region_init_ram(MemoryRegion *mr,
mr->rom_device = true;
mr->destructor = memory_region_destructor_rom_device;
mr->ram_addr = qemu_ram_alloc(size, mr);
- mr->ram_addr |= cpu_register_io_memory(mr);
}
static uint64_t invalid_read(void *opaque, target_phys_addr_t addr,
return mr->ram && mr->readonly;
}
-void memory_region_set_offset(MemoryRegion *mr, target_phys_addr_t offset)
-{
- mr->offset = offset;
-}
-
void memory_region_set_log(MemoryRegion *mr, bool log, unsigned client)
{
uint8_t mask = 1 << client;
+ memory_region_transaction_begin();
mr->dirty_log_mask = (mr->dirty_log_mask & ~mask) | (log * mask);
- memory_region_update_topology(mr);
+ memory_region_transaction_commit();
}
bool memory_region_get_dirty(MemoryRegion *mr, target_phys_addr_t addr,
FOR_EACH_FLAT_RANGE(fr, &address_space_memory.current_map) {
if (fr->mr == mr) {
- MEMORY_LISTENER_UPDATE_REGION(fr, &address_space_memory, log_sync);
+ MEMORY_LISTENER_UPDATE_REGION(fr, &address_space_memory,
+ Forward, log_sync);
}
}
}
void memory_region_set_readonly(MemoryRegion *mr, bool readonly)
{
if (mr->readonly != readonly) {
+ memory_region_transaction_begin();
mr->readonly = readonly;
- memory_region_update_topology(mr);
+ memory_region_transaction_commit();
}
}
void memory_region_rom_device_set_readable(MemoryRegion *mr, bool readable)
{
if (mr->readable != readable) {
+ memory_region_transaction_begin();
mr->readable = readable;
- memory_region_update_topology(mr);
+ memory_region_transaction_commit();
}
}
cmr->addr = addrrange_make(int128_make64(offset), int128_make64(size));
QTAILQ_INSERT_TAIL(&mr->coalesced, cmr, link);
memory_region_update_coalesced_range(mr);
+ memory_region_set_flush_coalesced(mr);
}
void memory_region_clear_coalescing(MemoryRegion *mr)
{
CoalescedMemoryRange *cmr;
+ qemu_flush_coalesced_mmio_buffer();
+ mr->flush_coalesced_mmio = false;
+
while (!QTAILQ_EMPTY(&mr->coalesced)) {
cmr = QTAILQ_FIRST(&mr->coalesced);
QTAILQ_REMOVE(&mr->coalesced, cmr, link);
memory_region_update_coalesced_range(mr);
}
+void memory_region_set_flush_coalesced(MemoryRegion *mr)
+{
+ mr->flush_coalesced_mmio = true;
+}
+
+void memory_region_clear_flush_coalesced(MemoryRegion *mr)
+{
+ qemu_flush_coalesced_mmio_buffer();
+ if (QTAILQ_EMPTY(&mr->coalesced)) {
+ mr->flush_coalesced_mmio = false;
+ }
+}
+
void memory_region_add_eventfd(MemoryRegion *mr,
target_phys_addr_t addr,
unsigned size,
bool match_data,
uint64_t data,
- int fd)
+ EventNotifier *e)
{
MemoryRegionIoeventfd mrfd = {
.addr.start = int128_make64(addr),
.addr.size = int128_make64(size),
.match_data = match_data,
.data = data,
- .fd = fd,
+ .e = e,
};
unsigned i;
+ memory_region_transaction_begin();
for (i = 0; i < mr->ioeventfd_nb; ++i) {
if (memory_region_ioeventfd_before(mrfd, mr->ioeventfds[i])) {
break;
memmove(&mr->ioeventfds[i+1], &mr->ioeventfds[i],
sizeof(*mr->ioeventfds) * (mr->ioeventfd_nb-1 - i));
mr->ioeventfds[i] = mrfd;
- memory_region_update_topology(mr);
+ memory_region_transaction_commit();
}
void memory_region_del_eventfd(MemoryRegion *mr,
unsigned size,
bool match_data,
uint64_t data,
- int fd)
+ EventNotifier *e)
{
MemoryRegionIoeventfd mrfd = {
.addr.start = int128_make64(addr),
.addr.size = int128_make64(size),
.match_data = match_data,
.data = data,
- .fd = fd,
+ .e = e,
};
unsigned i;
+ memory_region_transaction_begin();
for (i = 0; i < mr->ioeventfd_nb; ++i) {
if (memory_region_ioeventfd_equal(mrfd, mr->ioeventfds[i])) {
break;
--mr->ioeventfd_nb;
mr->ioeventfds = g_realloc(mr->ioeventfds,
sizeof(*mr->ioeventfds)*mr->ioeventfd_nb + 1);
- memory_region_update_topology(mr);
+ memory_region_transaction_commit();
}
static void memory_region_add_subregion_common(MemoryRegion *mr,
{
MemoryRegion *other;
+ memory_region_transaction_begin();
+
assert(!subregion->parent);
subregion->parent = mr;
subregion->addr = offset;
}
QTAILQ_INSERT_TAIL(&mr->subregions, subregion, subregions_link);
done:
- memory_region_update_topology(mr);
+ memory_region_transaction_commit();
}
void memory_region_del_subregion(MemoryRegion *mr,
MemoryRegion *subregion)
{
+ memory_region_transaction_begin();
assert(subregion->parent == mr);
subregion->parent = NULL;
QTAILQ_REMOVE(&mr->subregions, subregion, subregions_link);
- memory_region_update_topology(mr);
+ memory_region_transaction_commit();
}
void memory_region_set_enabled(MemoryRegion *mr, bool enabled)
if (enabled == mr->enabled) {
return;
}
+ memory_region_transaction_begin();
mr->enabled = enabled;
- memory_region_update_topology(NULL);
+ memory_region_transaction_commit();
}
void memory_region_set_address(MemoryRegion *mr, target_phys_addr_t addr)
void memory_region_set_alias_offset(MemoryRegion *mr, target_phys_addr_t offset)
{
- target_phys_addr_t old_offset = mr->alias_offset;
-
assert(mr->alias);
- mr->alias_offset = offset;
- if (offset == old_offset || !mr->parent) {
+ if (offset == mr->alias_offset) {
return;
}
- memory_region_update_topology(mr);
+ memory_region_transaction_begin();
+ mr->alias_offset = offset;
+ memory_region_transaction_commit();
}
ram_addr_t memory_region_get_ram_addr(MemoryRegion *mr)
fr->addr.start));
ret.size = int128_get64(range.size);
ret.offset_within_address_space = int128_get64(range.start);
+ ret.readonly = fr->readonly;
return ret;
}
FlatRange *fr;
FOR_EACH_FLAT_RANGE(fr, &as->current_map) {
- MEMORY_LISTENER_UPDATE_REGION(fr, as, log_sync);
+ MEMORY_LISTENER_UPDATE_REGION(fr, as, Forward, log_sync);
}
}
void memory_global_dirty_log_start(void)
{
- MemoryListener *listener;
-
- cpu_physical_memory_set_dirty_tracking(1);
global_dirty_log = true;
- QLIST_FOREACH(listener, &memory_listeners, link) {
- listener->log_global_start(listener);
- }
+ MEMORY_LISTENER_CALL_GLOBAL(log_global_start, Forward);
}
void memory_global_dirty_log_stop(void)
{
- MemoryListener *listener;
-
global_dirty_log = false;
- QLIST_FOREACH(listener, &memory_listeners, link) {
- listener->log_global_stop(listener);
- }
- cpu_physical_memory_set_dirty_tracking(0);
+ MEMORY_LISTENER_CALL_GLOBAL(log_global_stop, Reverse);
}
static void listener_add_address_space(MemoryListener *listener,
{
FlatRange *fr;
+ if (listener->address_space_filter
+ && listener->address_space_filter != as->root) {
+ return;
+ }
+
if (global_dirty_log) {
listener->log_global_start(listener);
}
.offset_within_region = fr->offset_in_region,
.size = int128_get64(fr->addr.size),
.offset_within_address_space = int128_get64(fr->addr.start),
+ .readonly = fr->readonly,
};
listener->region_add(listener, §ion);
}
}
-void memory_listener_register(MemoryListener *listener)
+void memory_listener_register(MemoryListener *listener, MemoryRegion *filter)
{
- QLIST_INSERT_HEAD(&memory_listeners, listener, link);
+ MemoryListener *other = NULL;
+
+ listener->address_space_filter = filter;
+ if (QTAILQ_EMPTY(&memory_listeners)
+ || listener->priority >= QTAILQ_LAST(&memory_listeners,
+ memory_listeners)->priority) {
+ QTAILQ_INSERT_TAIL(&memory_listeners, listener, link);
+ } else {
+ QTAILQ_FOREACH(other, &memory_listeners, link) {
+ if (listener->priority < other->priority) {
+ break;
+ }
+ }
+ QTAILQ_INSERT_BEFORE(other, listener, link);
+ }
listener_add_address_space(listener, &address_space_memory);
listener_add_address_space(listener, &address_space_io);
}
void memory_listener_unregister(MemoryListener *listener)
{
- QLIST_REMOVE(listener, link);
+ QTAILQ_REMOVE(&memory_listeners, listener, link);
}
void set_system_memory_map(MemoryRegion *mr)
{
+ memory_region_transaction_begin();
address_space_memory.root = mr;
- memory_region_update_topology(NULL);
+ memory_region_transaction_commit();
}
void set_system_io_map(MemoryRegion *mr)
{
+ memory_region_transaction_begin();
address_space_io.root = mr;
- memory_region_update_topology(NULL);
+ memory_region_transaction_commit();
}
-uint64_t io_mem_read(int io_index, target_phys_addr_t addr, unsigned size)
+uint64_t io_mem_read(MemoryRegion *mr, target_phys_addr_t addr, unsigned size)
{
- return memory_region_dispatch_read(io_mem_region[io_index], addr, size);
+ return memory_region_dispatch_read(mr, addr, size);
}
-void io_mem_write(int io_index, target_phys_addr_t addr,
+void io_mem_write(MemoryRegion *mr, target_phys_addr_t addr,
uint64_t val, unsigned size)
{
- memory_region_dispatch_write(io_mem_region[io_index], addr, val, size);
+ memory_region_dispatch_write(mr, addr, val, size);
}
typedef struct MemoryRegionList MemoryRegionList;
ml->printed = false;
QTAILQ_INSERT_TAIL(alias_print_queue, ml, queue);
}
- mon_printf(f, TARGET_FMT_plx "-" TARGET_FMT_plx " (prio %d): alias %s @%s "
- TARGET_FMT_plx "-" TARGET_FMT_plx "\n",
+ mon_printf(f, TARGET_FMT_plx "-" TARGET_FMT_plx
+ " (prio %d, %c%c): alias %s @%s " TARGET_FMT_plx
+ "-" TARGET_FMT_plx "\n",
base + mr->addr,
base + mr->addr
+ (target_phys_addr_t)int128_get64(mr->size) - 1,
mr->priority,
+ mr->readable ? 'R' : '-',
+ !mr->readonly && !(mr->rom_device && mr->readable) ? 'W'
+ : '-',
mr->name,
mr->alias->name,
mr->alias_offset,
mr->alias_offset
+ (target_phys_addr_t)int128_get64(mr->size) - 1);
} else {
- mon_printf(f, TARGET_FMT_plx "-" TARGET_FMT_plx " (prio %d): %s\n",
+ mon_printf(f,
+ TARGET_FMT_plx "-" TARGET_FMT_plx " (prio %d, %c%c): %s\n",
base + mr->addr,
base + mr->addr
+ (target_phys_addr_t)int128_get64(mr->size) - 1,
mr->priority,
+ mr->readable ? 'R' : '-',
+ !mr->readonly && !(mr->rom_device && mr->readable) ? 'W'
+ : '-',
mr->name);
}
mon_printf(f, "memory\n");
mtree_print_mr(mon_printf, f, address_space_memory.root, 0, 0, &ml_head);
+ if (address_space_io.root &&
+ !QTAILQ_EMPTY(&address_space_io.root->subregions)) {
+ mon_printf(f, "I/O\n");
+ mtree_print_mr(mon_printf, f, address_space_io.root, 0, 0, &ml_head);
+ }
+
+ mon_printf(f, "aliases\n");
/* print aliased regions */
QTAILQ_FOREACH(ml, &ml_head, queue) {
if (!ml->printed) {
QTAILQ_FOREACH_SAFE(ml, &ml_head, queue, ml2) {
g_free(ml);
}
-
- if (address_space_io.root &&
- !QTAILQ_EMPTY(&address_space_io.root->subregions)) {
- QTAILQ_INIT(&ml_head);
- mon_printf(f, "I/O\n");
- mtree_print_mr(mon_printf, f, address_space_io.root, 0, 0, &ml_head);
- }
}
projects / qemu.git / blobdiff