From cd839d484a3f8c374f613a9065d59c89d4d94d25 Mon Sep 17 00:00:00 2001
From: zhangxinyu <840317537@qq.com>
Date: Mon, 29 May 2023 16:15:23 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=94=B9Makefile,=20=E7=8E=B0?=
 =?UTF-8?q?=E5=9C=A8=E6=AF=8F=E6=AC=A1debug=E5=8F=AF=E4=BB=A5=E6=AD=A3?=
 =?UTF-8?q?=E7=A1=AE=E7=9A=84=E5=85=B3=E9=97=AD=E4=B8=8A=E6=AC=A1=E7=9A=84?=
 =?UTF-8?q?qemu=E8=BF=9B=E7=A8=8B?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 ch3/os/Makefile | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/ch3/os/Makefile b/ch3/os/Makefile
index 0c03143..04340cd 100644
--- a/ch3/os/Makefile
+++ b/ch3/os/Makefile
@@ -5,7 +5,6 @@ KERNEL_ELF := target/$(TARGET)/$(MODE)/os
 KERNEL_BIN := $(KERNEL_ELF).bin
 SYMBOL_MAP := target/system.map
 QEMU_CMD_PATH := ../../tools/qemu-system-riscv64
-QEMU_PID = $(shell ps aux | grep "[q]emu-system' | awk '{print $$2}")
 OBJDUMP := rust-objdump --arch-name=riscv64
 OBJCOPY := rust-objcopy --binary-architecture=riscv64
 
@@ -47,5 +46,5 @@ clean:
 	rm -rf ./target* && rm -rf ./src/link_app.S
 
 kill:
-	-kill -9 $(QEMU_PID)
+	pkill -9 qemu