From 3ce10901ca8da9142dcdcde198fda1a4c290934c Mon Sep 17 00:00:00 2001 From: Paolo Bonzini Date: Tue, 2 Jul 2013 13:40:48 +0200 Subject: memory: introduce memory_region_present This new API will avoid having too many memory_region_ref/unref in paths that currently use memory_region_find. Signed-off-by: Paolo Bonzini --- memory.c | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'memory.c') diff --git a/memory.c b/memory.c index e04d5196b0..24027c5077 100644 --- a/memory.c +++ b/memory.c @@ -1478,6 +1478,15 @@ static FlatRange *address_space_lookup(AddressSpace *as, AddrRange addr) sizeof(FlatRange), cmp_flatrange_addr); } +bool memory_region_present(MemoryRegion *parent, hwaddr addr) +{ + MemoryRegion *mr = memory_region_find(parent, addr, 1).mr; + if (!mr) { + return false; + } + return true; +} + MemoryRegionSection memory_region_find(MemoryRegion *mr, hwaddr addr, uint64_t size) { -- cgit v1.2.1