...

README.md

@@ -4,24 +4,15 @@
 
 ### Building the kernel
 
-- `make`
-- `i386-elf-gcc`
-- `i386-elf-ld`
-- `nasm`
-
-### Creating a disk image
-
 - `grub`
 - `mtools`
+- `make`
+- `x86_64-elf-gcc`
+- `x86_64-elf-ld`
+- `nasm`
 
 ## Building
 
-### Kernel
-
-```sh
-make kernel
-```
-
 ### Disk image
 
 ```sh
@@ -30,8 +21,15 @@ make iso
 
 ## Running
 
-After building, run the following:
+After building the iso, run the following:
 
 ```sh
-qemu-system-i386 -kernel .build/kernel
+qemu-system-x86_64 -cdrom .build/nub-os.iso
+```
+
+## Debugging
+
+```sh
+qemu-system-x86_64 -s -S -cdrom .build/nub-os.iso
+gdb -tui .build/kernel -ex "target remote localhost:1234"
 ```