Kevin O'Connor wrote: > > I used libx86 library to catch all IO. It was quite painful until I > > realize that the emulator cannot handle properly opcodes like > > > > 0x66 0xe8 .. .. 0xff 0xff and also mov al,cs:[ebx] which I get > > caught in Sebios int 15 routine. > > Most of SeaBIOS is compiled with gcc. gcc generates regular 32bit > code. Then a gnu assembler (gas) hack is used to make that 32bit > code run while the processor is in 16bit mode. > > As such, I can't think of any way to stop the 0x66/0x67 prefixes - > they are inherent to the process.
I think the issue is with VGA BIOSes (any option ROMs, really) and that the various emulators used by coreboot don't handle the prefixes. //Peter -- coreboot mailing list: [email protected] http://www.coreboot.org/mailman/listinfo/coreboot
