Read and write working

Project Nightingale

This took 2 ticks so far
created thread 1

test random: 38528356
test unbacked memory: malloc at 0xffffffff802412d0 ... works!
    loading file:0x00000000+0x0340 -> 0x00400000 r-x
    loading file:0x00000340+0x0008 -> 0x00600340 rw-

syscall: 1 at 0x4000c7
This is a test message

syscall: 4 at 0x400100

syscall: 1 at 0x4000c7
 !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abc
syscall: 2 at 0x4000c7
killing pid 2