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authorAlexander Bulekov <alxndr@bu.edu>2020-10-23 11:07:30 -0400
committerThomas Huth <thuth@redhat.com>2020-10-24 07:43:48 +0200
commitfb5ef4eeecd88b583d5a6dc8f7dc217179cbfc98 (patch)
tree015e22472b9e1a7141dd6c72c6e58116180aead1
parentd232b87ec6e3a8a04db9b647f61a1e3a6855a58f (diff)
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memory: Add FlatView foreach function
Acked-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Darren Kenny <darren.kenny@oracle.com> Signed-off-by: Alexander Bulekov <alxndr@bu.edu> Message-Id: <20201023150746.107063-2-alxndr@bu.edu> Signed-off-by: Thomas Huth <thuth@redhat.com>
-rw-r--r--include/exec/memory.h5
-rw-r--r--softmmu/memory.c13
2 files changed, 18 insertions, 0 deletions
diff --git a/include/exec/memory.h b/include/exec/memory.h
index 622207b..042918d 100644
--- a/include/exec/memory.h
+++ b/include/exec/memory.h
@@ -719,6 +719,11 @@ static inline FlatView *address_space_to_flatview(AddressSpace *as)
return qatomic_rcu_read(&as->current_map);
}
+typedef int (*flatview_cb)(Int128 start,
+ Int128 len,
+ const MemoryRegion*, void*);
+
+void flatview_for_each_range(FlatView *fv, flatview_cb cb , void *opaque);
/**
* struct MemoryRegionSection: describes a fragment of a #MemoryRegion
diff --git a/softmmu/memory.c b/softmmu/memory.c
index 403ff3a..a5d1641 100644
--- a/softmmu/memory.c
+++ b/softmmu/memory.c
@@ -656,6 +656,19 @@ static void render_memory_region(FlatView *view,
}
}
+void flatview_for_each_range(FlatView *fv, flatview_cb cb , void *opaque)
+{
+ FlatRange *fr;
+
+ assert(fv);
+ assert(cb);
+
+ FOR_EACH_FLAT_RANGE(fr, fv) {
+ if (cb(fr->addr.start, fr->addr.size, fr->mr, opaque))
+ break;
+ }
+}
+
static MemoryRegion *memory_region_get_flatview_root(MemoryRegion *mr)
{
while (mr->enabled) {