Added cross-compile-gcc
Clean up
Fixed .travis.yml
Fixed binutils url
Ported newlib
Ported newlib
Start to add ext2 support
Added multiboot support
Fixed multiboot
Prints more information
Move buffers into kernel
New harddisk device number
Clean up some warnings
Cleanup
VFS mount syscall
Use cross toolchain to compile kernel
VFS open syscall
Added ext2fs buffer cache
ext2 alloc block
Fixed conflict