diff options
| -rw-r--r-- | include/exec/ioport.h | 2 | ||||
| -rw-r--r-- | ioport.c | 9 |
2 files changed, 11 insertions, 0 deletions
diff --git a/include/exec/ioport.h b/include/exec/ioport.h index b3848be684..3bd6722627 100644 --- a/include/exec/ioport.h +++ b/include/exec/ioport.h @@ -64,11 +64,13 @@ typedef struct PortioList { struct MemoryRegion **regions; void *opaque; const char *name; + bool flush_coalesced_mmio; } PortioList; void portio_list_init(PortioList *piolist, Object *owner, const struct MemoryRegionPortio *callbacks, void *opaque, const char *name); +void portio_list_set_flush_coalesced(PortioList *piolist); void portio_list_destroy(PortioList *piolist); void portio_list_add(PortioList *piolist, struct MemoryRegion *address_space, diff --git a/ioport.c b/ioport.c index 707cce88ab..3d91e79edc 100644 --- a/ioport.c +++ b/ioport.c @@ -139,6 +139,12 @@ void portio_list_init(PortioList *piolist, piolist->opaque = opaque; piolist->owner = owner; piolist->name = name; + piolist->flush_coalesced_mmio = false; +} + +void portio_list_set_flush_coalesced(PortioList *piolist) +{ + piolist->flush_coalesced_mmio = true; } void portio_list_destroy(PortioList *piolist) @@ -231,6 +237,9 @@ static void portio_list_add_1(PortioList *piolist, */ memory_region_init_io(&mrpio->mr, piolist->owner, &portio_ops, mrpio, piolist->name, off_high - off_low); + if (piolist->flush_coalesced_mmio) { + memory_region_set_flush_coalesced(&mrpio->mr); + } memory_region_add_subregion(piolist->address_space, start + off_low, &mrpio->mr); piolist->regions[piolist->nr] = &mrpio->mr; |