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authorBenji Dial <benji3.141@gmail.com>2020-05-25 11:08:59 -0400
committerBenji Dial <benji3.141@gmail.com>2020-05-25 11:08:59 -0400
commitc99a319d3405d4ac76881cae288c29624fa34a44 (patch)
tree18beb40c378cc4dd177cdabb88137f295363dfb5
parent3ec479833bbe4c116bc149122aec582532866128 (diff)
downloadportland-os-c99a319d3405d4ac76881cae288c29624fa34a44.tar.gz
script to debug with qemu and gdb
-rw-r--r--makefile8
-rw-r--r--qemu-debug.gdb6
2 files changed, 10 insertions, 4 deletions
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