diff --git a/bsps/riscv/noel/include/bsp/riscv.h b/bsps/riscv/noel/include/bsp/riscv.h
index 533ca1e4be..2c4bf9c688 100644
--- a/bsps/riscv/noel/include/bsp/riscv.h
+++ b/bsps/riscv/noel/include/bsp/riscv.h
@@ -50,6 +50,8 @@ extern uint32_t riscv_hart_count;
 
 uint32_t riscv_get_hart_index_by_phandle( uint32_t phandle );
 
+void riscv_send_ipi(uint32_t cpu_index);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/spec/build/bsps/riscv/noel/obj.yml b/spec/build/bsps/riscv/noel/obj.yml
index ee508d7ae6..5640f5d1d4 100644
--- a/spec/build/bsps/riscv/noel/obj.yml
+++ b/spec/build/bsps/riscv/noel/obj.yml
@@ -18,20 +18,21 @@ install:
   - bsps/riscv/noel/include/bsp/riscv.h
 links: []
 source:
-- bsps/riscv/riscv/clock/clockdrv.c
 - bsps/riscv/noel/console/console-config.c
-- bsps/riscv/riscv/irq/irq.c
 - bsps/riscv/noel/start/bsp_fatal_halt.c
+- bsps/riscv/riscv/clock/clockdrv.c
+- bsps/riscv/riscv/irq/irq.c
 - bsps/riscv/riscv/start/bspstart.c
 - bsps/riscv/shared/fdt/riscv-fdt.c
 - bsps/riscv/shared/start/bspgetworkarea.c
+- bsps/riscv/shared/start/sendipi.c
 - bsps/shared/cache/nocache.c
 - bsps/shared/dev/btimer/btimer-cpucounter.c
 - bsps/shared/dev/getentropy/getentropy-cpucounter.c
 - bsps/shared/dev/serial/console-termios.c
+- bsps/shared/grlib/uart/apbuart_polled.c
+- bsps/shared/grlib/uart/apbuart_termios.c
 - bsps/shared/irq/irq-default-handler.c
 - bsps/shared/start/bsp-fdt.c
 - bsps/shared/start/gettargethash-default.c
-- bsps/shared/grlib/uart/apbuart_polled.c
-- bsps/shared/grlib/uart/apbuart_termios.c
 type: build