CPUWriteMemoryFunc *write[3];
};
+/* Internal use; thunks between old-style IORange and MemoryRegions. */
+typedef struct MemoryRegionIORange MemoryRegionIORange;
+struct MemoryRegionIORange {
+ IORange iorange;
+ MemoryRegion *mr;
+ target_phys_addr_t offset;
+};
+
/*
* Memory region callbacks
*/
target_phys_addr_t addr;
void (*destructor)(MemoryRegion *mr);
ram_addr_t ram_addr;
- IORange iorange;
bool subpage;
bool terminates;
bool readable;
* @size: the size of the section; will not exceed @mr's boundaries
* @offset_within_address_space: the address of the first byte of the section
* relative to the region's address space
+ * @readonly: writes to this section are ignored
*/
struct MemoryRegionSection {
MemoryRegion *mr;
target_phys_addr_t offset_within_region;
uint64_t size;
target_phys_addr_t offset_within_address_space;
+ bool readonly;
};
typedef struct MemoryListener MemoryListener;
* Use with memory_listener_register() and memory_listener_unregister().
*/
struct MemoryListener {
+ void (*begin)(MemoryListener *listener);
+ void (*commit)(MemoryListener *listener);
void (*region_add)(MemoryListener *listener, MemoryRegionSection *section);
void (*region_del)(MemoryListener *listener, MemoryRegionSection *section);
+ void (*region_nop)(MemoryListener *listener, MemoryRegionSection *section);
void (*log_start)(MemoryListener *listener, MemoryRegionSection *section);
void (*log_stop)(MemoryListener *listener, MemoryRegionSection *section);
void (*log_sync)(MemoryListener *listener, MemoryRegionSection *section);
void (*log_global_start)(MemoryListener *listener);
void (*log_global_stop)(MemoryListener *listener);
+ void (*eventfd_add)(MemoryListener *listener, MemoryRegionSection *section,
+ bool match_data, uint64_t data, int fd);
+ void (*eventfd_del)(MemoryListener *listener, MemoryRegionSection *section,
+ bool match_data, uint64_t data, int fd);
/* Lower = earlier (during add), later (during del) */
unsigned priority;
+ MemoryRegion *address_space_filter;
QTAILQ_ENTRY(MemoryListener) link;
};
* space
*
* @listener: an object containing the callbacks to be called
+ * @filter: if non-%NULL, only regions in this address space will be observed
*/
-void memory_listener_register(MemoryListener *listener);
+void memory_listener_register(MemoryListener *listener, MemoryRegion *filter);
/**
* memory_listener_unregister: undo the effect of memory_listener_register()