Remap master PIC to IOAddress 0x20 to avoid collisions with CPU
exceptions.

Setup a default interrupt handler and map all interrupts to this handler
by default.

Setup a Keyboard interrupt handler for testing purposes

Wire everything up in the Makefile

Signed-off-by: Carlos Maiolino <cem@toxiclabs.cc>

Write ata_lba_read routine to load 100 disk sectors from the disk into
memory address 0x00100000 (1MiB).

Once the data is loaded, jump to that Address

Signed-off-by: Carlos Maiolino <cem@toxiclabs.cc>

Move the code unders [BITS 32] label to its own file to be loaded as a
kernel by the boot loader.

Add a linker script to link the bootloader and the kernel in a single
binary file.

Add a build script to make it easier to use the cross compiler

Update the Makefile to build everything and pack it into the os.bin

Signed-off-by: Carlos Maiolino <cem@toxiclabs.cc>

Signed-off-by: Carlos Maiolino <cem@toxiclabs.cc>

Signed-off-by: Carlos Maiolino <cem@toxiclabs.cc>