1 files changed, 10 insertions, 0 deletions

diff --git a/arch/riscv/kernel/head.S b/arch/riscv/kernel/head.S
index 711190d473d4..fe884cd69abd 100644
--- a/arch/riscv/kernel/head.S
+++ b/arch/riscv/kernel/head.S
@@ -44,6 +44,16 @@ ENTRY(_start)
         amoadd.w a3, a2, (a3)
         bnez a3, .Lsecondary_start
 
+        /* Clear BSS for flat non-ELF images */
+        la a3, __bss_start
+        la a4, __bss_stop
+        ble a4, a3, clear_bss_done
+clear_bss:
+        REG_S zero, (a3)
+        add a3, a3, RISCV_SZPTR
+        blt a3, a4, clear_bss
+clear_bss_done:
+
         /* Save hart ID and DTB physical address */
         mv s0, a0
         mv s1, a1