added a simple serial console output to qemu run mode

reading and writing the VGA cursor correctly on hardware

1 files changed, 11 insertions, 7 deletions

diff --git a/src/Makefile b/src/Makefile
index e0dfedb..fed5c71 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -18,9 +18,9 @@ image.bin: boot.bin kernel.bin magic.bin
 boot.bin: boot.asm gdt.asm stage1_functions.asm stage2_functions.asm switch_mode.asm
 	nasm boot.asm -f bin -o boot.bin
 
-kernel.bin: kernel.o vga.o port.o port_asm.o string.o stdlib.o
+kernel.bin: kernel.o vga.o serial.o port.o port_asm.o string.o stdlib.o
 	$(LD) -o kernel.bin -N -n -Ttext 0x8400 --oformat binary \
-		kernel.o vga.o port.o port_asm.o string.o stdlib.o
+		kernel.o vga.o serial.o port.o port_asm.o string.o stdlib.o
 
 magic.bin: magic.asm
 	nasm magic.asm -f bin -o magic.bin
@@ -28,26 +28,30 @@ magic.bin: magic.asm
 kernel.o: kernel.c
 	$(CC) $(CFLAGS) -c -o kernel.o kernel.c
 
-port.o: port.c
+port.o: port.c port.h
 	$(CC) $(CFLAGS) -c -o port.o port.c
 
-vga.o: vga.c
+vga.o: vga.c vga.h
 	$(CC) $(CFLAGS) -c -o vga.o vga.c
 
+serial.o: serial.c serial.h
+	$(CC) $(CFLAGS) -c -o serial.o serial.c
+
 port_asm.o: port.asm
 	nasm port.asm -f elf32 -o port_asm.o
 
-string.o: string.c
+string.o: string.c string.h
 	$(CC) $(CFLAGS) -c -o string.o string.c
 
-stdlib.o: stdlib.c
+stdlib.o: stdlib.c stdlib.h
 	$(CC) $(CFLAGS) -c -o stdlib.o stdlib.c
 
 clean:
 	-rm -f boot.bin kernel.bin image.bin magic.bin *.o kernel.map image.tmp
 
 run-qemu: image.bin
-	qemu-system-i386 -m 32 -drive "file=image.bin,if=ide,format=raw"
+	qemu-system-i386 -m 32 -drive "file=image.bin,if=ide,format=raw" \
+		-serial file:serial.log
 
 run-bochs:
 	bochs -q -f bochs.config 'boot:floppy' 'floppya: 1_44=image.bin, status=inserted'