From b549d087248cd840899ddfc189b7709c7e0aa209 Mon Sep 17 00:00:00 2001
From: WangRunji <wangrunji0408@163.com>
Date: Thu, 12 Apr 2018 23:44:25 +0800
Subject: [PATCH] Add debug_asm in Makefile

---
 Makefile | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index bf0abd5..454d611 100644
--- a/Makefile
+++ b/Makefile
@@ -30,13 +30,14 @@ else
 endif
 
 ld := $(prefix)ld
+objdump := $(prefix)objdump
 
-.PHONY: all clean run iso kernel build
+.PHONY: all clean run iso kernel build debug_asm
 
 all: $(kernel)
 
 clean:
-	@rm -r build
+	@rm -r build target
 
 run: $(iso)
 	@qemu-system-$(arch) $(qemu_opts) || [ $$? -eq 11 ] # run qemu and assert it exit 11
@@ -45,6 +46,9 @@ iso: $(iso)
 
 build: iso
 
+debug_asm:
+	@$(objdump) -dS $(kernel) | less
+
 $(iso): $(kernel) $(grub_cfg)
 	@mkdir -p build/isofiles/boot/grub
 	@cp $(kernel) build/isofiles/boot/kernel.bin