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-rw-r--r--sys/boot/uboot/lib/copy.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/sys/boot/uboot/lib/copy.c b/sys/boot/uboot/lib/copy.c
index bb658e3..51416ac 100644
--- a/sys/boot/uboot/lib/copy.c
+++ b/sys/boot/uboot/lib/copy.c
@@ -118,6 +118,13 @@ uboot_loadaddr(u_int type, void *data, uint64_t addr)
this_block = eubldr;
this_size = eblock - eubldr;
}
+ } else if (subldr < sblock && eubldr < eblock) {
+ /* Loader is below or engulfs the sblock */
+ this_block = (eubldr < sblock) ? sblock : eubldr;
+ this_size = eblock - this_block;
+ } else {
+ this_block = 0;
+ this_size = 0;
}
if (biggest_size < this_size) {
biggest_block = this_block;
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