From c99a319d3405d4ac76881cae288c29624fa34a44 Mon Sep 17 00:00:00 2001
From: Benji Dial <benji3.141@gmail.com>
Date: Mon, 25 May 2020 11:08:59 -0400
Subject: script to debug with qemu and gdb

---
 makefile       | 8 ++++----
 qemu-debug.gdb | 6 ++++++
 2 files changed, 10 insertions(+), 4 deletions(-)
 create mode 100644 qemu-debug.gdb

diff --git a/makefile b/makefile
index ab08254..afac808 100644
--- a/makefile
+++ b/makefile
@@ -7,11 +7,11 @@ disk: kernel boot
 	dd if=out/kernel.bin of=obj/shadow.img seek=1 conv=notrunc
 	mv obj/shadow.img out/disk.img
 
-vbox-image: disk
+vdi-file: disk
 	VBoxManage convertfromraw out/disk.img out/disk.vdi --uuid a61929ed-3bf2-45ff-b98a-44f87c616dba
 
-kdump: kernel
-	objdump -M intel -d obj/kernel.elf > out/kernel.dasm
+debug: vdi-file
+	gdb -x qemu-debug.gdb
 
 kgccargs = -m32 -ffreestanding -fno-asynchronous-unwind-tables
 kernel:
@@ -33,4 +33,4 @@ boot:
 	nasm src/boot.asm -o out/boot.bin
 
 clean:
-	rm -r obj out
\ No newline at end of file
+	rm -r obj out
diff --git a/qemu-debug.gdb b/qemu-debug.gdb
new file mode 100644
index 0000000..de29caa
--- /dev/null
+++ b/qemu-debug.gdb
@@ -0,0 +1,6 @@
+target remote | qemu-system-i386 -S -gdb stdio out/disk.img
+add-symbol-file obj/kernel.elf
+set disassembly-flavor intel
+layout reg
+break *0x30000
+cont
-- 
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