qwex333 / nachos-2

NachOS with new file system

NachOS

NachOS with new file system

• support file I/O system call

int Create(char *name, int size);
OpenFileId Open(char *name);
int Read(char *buf, int size, OpenFileId id);
int Write(char *buf, int size, OpenFileId id);
int Close(OpenFileId id);

• support larger file size(Support up to 64MB single file)
• support subdirectory
• support recursive operations on directories

>nachos -lr <directory_to_be_listed>

Recursively list the file/directory in a directory. The Directory will always exist.

>nachos -rr <file/directory_to_be_removed>

Remove the file or recursively remove the directory.

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Building Instructions:

• got to the directory build., where is your working OS
• do a "make depend" to build depenencies (DO IT!)
• do a "make" to build NachOS

Usage: see "nachos -u" for all command line options

Building and starting user-level programs in NachOS:

• use Mips cross-compiler to build and link coff-binaries
• use coff2noff to translate the binaries to the NachOS-format
• start binary with nachos -x <path_to_file/file>