diff options
Diffstat (limited to 'system')
| -rw-r--r-- | system/ioport.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/system/ioport.c b/system/ioport.c index a59e58b..000e0ee 100644 --- a/system/ioport.c +++ b/system/ioport.c @@ -133,6 +133,7 @@ void portio_list_init(PortioList *piolist, piolist->nr = 0; piolist->regions = g_new0(MemoryRegion *, n); piolist->address_space = NULL; + piolist->addr = 0; piolist->opaque = opaque; piolist->owner = owner; piolist->name = name; @@ -282,6 +283,7 @@ void portio_list_add(PortioList *piolist, unsigned int off_low, off_high, off_last, count; piolist->address_space = address_space; + piolist->addr = start; /* Handle the first entry specially. */ off_last = off_low = pio_start->offset; @@ -322,6 +324,23 @@ void portio_list_del(PortioList *piolist) } } +void portio_list_set_address(PortioList *piolist, uint32_t addr) +{ + MemoryRegionPortioList *mrpio; + unsigned i, j; + + for (i = 0; i < piolist->nr; ++i) { + mrpio = container_of(piolist->regions[i], MemoryRegionPortioList, mr); + memory_region_set_address(&mrpio->mr, + mrpio->mr.addr - piolist->addr + addr); + for (j = 0; mrpio->ports[j].size; ++j) { + mrpio->ports[j].offset += addr - piolist->addr; + } + } + + piolist->addr = addr; +} + static void memory_region_portio_list_finalize(Object *obj) { MemoryRegionPortioList *mrpio = MEMORY_REGION_PORTIO_LIST(obj); |