motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-27 03:51:57 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

memory: add memory_region_is_mapped() API

Browse source 
which allows to check if MemoryRegion is already mapped.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Igor Mammedov 2014-06-02 15:25:06 +02:00 • committed by Michael S. Tsirkin
parent 10b7e74bf2
commit eed2bacfd2
2 changed files with 17 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

10
memory.c
View file

@ -493,7 +493,7 @@ static AddressSpace *memory_region_to_address_space(MemoryRegion *mr)
return as;
}
}
abort();
return NULL;
}
/* Render a memory region into the global view. Ranges in @view obscure
@ -1593,6 +1593,11 @@ bool memory_region_present(MemoryRegion *container, hwaddr addr)
return true;
}
bool memory_region_is_mapped(MemoryRegion *mr)
{
return mr->container ? true : false;
}
MemoryRegionSection memory_region_find(MemoryRegion *mr,
hwaddr addr, uint64_t size)
{
@ -1610,6 +1615,9 @@ MemoryRegionSection memory_region_find(MemoryRegion *mr,
}
as = memory_region_to_address_space(root);
if (!as) {
return ret;
}
range = addrrange_make(int128_make64(addr), int128_make64(size));
view = address_space_get_flatview(as);