Add an iterator over the sections of a flattened address space. Signed-off-by: Steve Sistare <steven.sist...@oracle.com> --- include/exec/memory.h | 3 +++ softmmu/memory.c | 17 +++++++++++++++++ 2 files changed, 20 insertions(+)
diff --git a/include/exec/memory.h b/include/exec/memory.h index 307e527..8dba065 100644 --- a/include/exec/memory.h +++ b/include/exec/memory.h @@ -1894,6 +1894,9 @@ bool memory_region_present(MemoryRegion *container, hwaddr addr); */ bool memory_region_is_mapped(MemoryRegion *mr); +typedef int (*qemu_flat_walk_cb)(MemoryRegionSection *s, void *handle); +int as_flat_walk(AddressSpace *as, qemu_flat_walk_cb func, void *handle); + /** * memory_region_find: translate an address/size relative to a * MemoryRegion into a #MemoryRegionSection. diff --git a/softmmu/memory.c b/softmmu/memory.c index af25987..8cac3bc 100644 --- a/softmmu/memory.c +++ b/softmmu/memory.c @@ -2513,6 +2513,23 @@ bool memory_region_is_mapped(MemoryRegion *mr) return mr->container ? true : false; } +int as_flat_walk(AddressSpace *as, qemu_flat_walk_cb func, void *handle) +{ + FlatView *view = address_space_get_flatview(as); + FlatRange *fr; + int ret; + + FOR_EACH_FLAT_RANGE(fr, view) { + MemoryRegionSection section = section_from_flat_range(fr, view); + ret = func(§ion, handle); + if (ret) { + return ret; + } + } + + return 0; +} + /* Same as memory_region_find, but it does not add a reference to the * returned region. It must be called from an RCU critical section. */ -- 1.8.3.1