BOCHS debugging stuff

.gitignore

@@ -4,3 +4,4 @@
 *.bin
 mnt/
 build/
+bx_enh_dbg.ini

Makefile

@@ -8,11 +8,10 @@ image: start32.bin mount grub-cfg roska.img mnt/roska/
 	cp start32.bin mnt/roska/
 	sync
 
-qemu-multiboot: start32.bin
-	qemu-system-i386 -kernel start32.bin -serial stdio
-qemu-image: image roska.img
+qemu-run: image roska.img
 	qemu-system-i386 roska.img -serial stdio
-
+bochs-run: image roska.img
+	bochs -qf bochsrc.txt
 mount: roska.img mnt/
 	@if ! mountpoint -q "mnt/"; then \
 		sudo mount -o loop,offset=1048576,umask=177,dmask=022,uid=$(shell id -u),gid=$(shell id -g) roska.img mnt/; \
@@ -29,7 +28,7 @@ build/:
 	@mkdir build
 
 roska.img: mnt/
-	dd if=/dev/zero of=roska.img bs=16M count=1
+	dd if=/dev/zero of=roska.img bs=1k count=16128
 	echo 'type=83' | sudo sfdisk roska.img
 	sudo losetup /dev/loop0 roska.img
 	sudo losetup /dev/loop1 roska.img -o1048576

bochsrc.txt

@@ -0,0 +1,13 @@
+display_library:	x, options="gui_debug"
+magic_break:	enabled=1
+romimage:	file=$BXSHARE/BIOS-bochs-legacy
+vgaromimage:	file=$BXSHARE/VGABIOS-lgpl-latest
+clock:	sync=realtime
+cpu:	ips=4294967295, reset_on_triple_fault=false
+megs:	128
+ata0:	enabled=1, ioaddr1=0x1f0, ioaddr2=0x3f0, irq=14
+ata0-master:	type=disk, mode=flat, path=roska.img, cylinders=32, heads=16, spt=63
+boot:	disk
+
+# Use `bximage` to get disk geometry
+# TODO: Figure out how to get sensible TTY serial