KevEvI OS

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WARNING:

Some scripts need sudo to write directly to devices using dd and loopback interfaces

None of the scripts ask questions -- they WILL clobber your files

Read and understand the scripts before you use them and before you run make

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Scripts:

Running make runs one or more of these scripts:

• lo: sets up disk.img as a loopback device
• unlo: tears down the loopback device set up by lo
• createdisk: creates the disk image disk.img
• formatdisk: formats disk.img using FAT12
• copyboot: copies the bootloader bin/boot to the disk image
• copystage2: mounts the filesystem on the disk image and copies the stage 2 loader

Requirements:

• nasm
• qemu

Building and running:

The following targets are available for make:

• makedisk: creates the disk image and copies the files to it
• runonly: runs the emulator with the disk image
• full: compiles and assembles all files
• run: same as full, but also runs the emulator
• clean: removes all generated files
• doc: compile the README and file comments; output in doc/

Notes:

• when jumping to a location in memory, make sure it contains executable code, and not a string -- this has been a problem