bsps/arm: Fix bsp_start_memcpy() for ARMv7-AR

Synchronize data and instruction streams.
2022-03-14 09:22:40 +01:00
parent 3e3393ac1e
commit e7a2470d06
1 changed files with 4 additions and 0 deletions
--- a/bsps/arm/shared/start/bsp-start-memcpy.S
+++ b/bsps/arm/shared/start/bsp-start-memcpy.S
@@ -45,6 +45,10 @@ DEFINE_FUNCTION_ARM(bsp_start_memcpy)
 	adr	ip, worker_begin
 	ldm	ip, {r3-r8}
 	push	{r3-r8}
+#ifdef ARM_MULTILIB_HAS_BARRIER_INSTRUCTIONS
+	dsb
+	isb
+#endif

 	/* Execute worker routine */
 	mov	r3, #0