From 2c277077fe16ef203a29f5dea84aab634a93c7ab Mon Sep 17 00:00:00 2001
From: Huang Qi <757509347@qq.com>
Date: Fri, 13 Sep 2019 00:06:00 +0000
Subject: [PATCH] arch: riscv: Use infinite loop instead of simple wfi to halt
 slave core

If it's a multicore system, infinite loop wfi to halt slave core

Signed-off-by: Huang Qi <757509347@qq.com>
---
 arch/riscv/core/reset.S | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/riscv/core/reset.S b/arch/riscv/core/reset.S
index 522426809cc..7e3d285e10a 100644
--- a/arch/riscv/core/reset.S
+++ b/arch/riscv/core/reset.S
@@ -37,7 +37,10 @@ SECTION_FUNC(TEXT, __initialize)
 	 */
 	csrr a0, mhartid
 	beqz a0, boot_master_core
+
+loop_slave_core:
 	wfi
+	j loop_slave_core
 
 boot_master_core: