Installing Xenix 2.x on Qemu
As of Qemu 0.14.0 you can actually install Xenix version 2. This works for both the i386 & the i286 versions.
I've documented it here on my blog.
The whole thing hinges on changing the boot strings so that instead of detecting the media type, it is instead forced to use the actual media type. For example, using the 3 1/2 inch diskette the boot string goes from:
fd(64)xenix root=fd(64) swap=ram(0) pipe=ram(1) swplo=0 nswap=1000 ronly
Into this:
fd(60)xenix root=fd(60) swap=ram(0) pipe=ram(1) swplo=0 nswap=1000 ronly
Things to keep in mind is that the largest IDE hard disk that Xenix 2.x can support is 500MB.
media table
| Device Name | Description | Major | Minor |
|---|---|---|---|
| fd0135 | 3 1/2" floppy drive | 2 | 60 |
| fd0135ds18 | high density 1.44Mb diskette | 2 | 60 |
| fd0135ds9 | low density 720Kb diskette | 2 | 36 |
| fd048 | 5 1/4" floppy drive (low density) | 2 | 4 |
| fd048ds9 | 360K double sided nine sector diskette | 2 | 4 |
| fd048ds8 | DOS version 1.1 double sided eight sector diskette | 12 | |
| fd048ss8 | DOS version 1.1 single sided eight sector diskette | 2 | 8 |
| fd048ss9 | DOS single sided nine sector diskette | 2 | 0 |
| fd096 | 5 1/4" floppy drive (high density) | 2 | 52 |
| fd096ds15 | 1.2MB diskette | 2 | 52 |
| fd096ds18 | DMF format for 5 1/4" disks | 2 | 60 |
| fd096ds9 | 720K 5 1/4" diskette | 2 | 36 |
Hopefully this will make some sense.. Esp with the floppy driver being very touch, but at least with the device table at hand you can hard code /dev/install and friends so that things will 'just work'. The big thing to watch for is high density vs low density....
I've also demonstrated how to do this in a video.
