Ronald G Minnich <[EMAIL PROTECTED]> writes: > On Mon, 4 Feb 2002, Collins Chen wrote: > > > How can I loaded a 16bit protected mode segment, before disabling protected > > > mode. I am want to do this in file crt0.S. Can you give me a hand? Thanks! > > > Just checking, but why are you doing this. Are you trying to run the VGA > BIOS? If so, we are working on that here too, so we can trade info. > > If you still don't know how to do this tonight I'll send out code.
Ron are you doing this as part of the core LinuxBIOS or as a loadable ELF image? If we could do this as an ELF image I would really appreciate it. (see src/standalone/lbbl if you need an example). I haven't made a real survey of what an x86 16bit Video BIOS does but last I check there is a lot going on there. Dependencies on standard x86 hardward and on some of the standard x86 video BIOS functions. It might be interesting to run dosemu with direct hardware access because it does emulate enough of the system that most Video BIOS's actually work. Eric
