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-rw-r--r--target/linux/ar71xx/image/lzma-loader/src/head.S3
1 files changed, 3 insertions, 0 deletions
diff --git a/target/linux/ar71xx/image/lzma-loader/src/head.S b/target/linux/ar71xx/image/lzma-loader/src/head.S
index 543996a0da..47a7c9bd63 100644
--- a/target/linux/ar71xx/image/lzma-loader/src/head.S
+++ b/target/linux/ar71xx/image/lzma-loader/src/head.S
@@ -109,6 +109,9 @@ __bss_check:
/* Setup new "C" stack */
la sp, _stack
+ /* reserve stack space for a0-a3 registers */
+ subu sp, 16
+
/* jump to the decompressor routine */
la t0, loader_main
jr t0