On Sun, Mar 04, 2012 at 08:08:12PM +0000, Julian Pidancet wrote: > On Sun, Mar 4, 2012 at 7:54 PM, Kevin O'Connor <[email protected]> wrote: > > > > The only thing I can think of would be to post-process the assembler > > and replace "retl" instructions with "retw $2" instructions. I'm not > > sure if it would work and it would be real ugly. > > > > As I mentionned, ret is not the only instruction causing problems. > I've identified issues with leave, enter, iret, and even some forms of > the call instruction, and the list is probaly not complete yet. So it > could be even more complicated that we think.
Okay. > It looks like x86emu was never tested with gcc produced code before. > And it looks like handling of the 0x66 instruction prefix has been > neglected in a lot of different places in the code. The coreboot project has an improved x86emu - it may have many of these issues fixed. -Kevin _______________________________________________ SeaBIOS mailing list [email protected] http://www.seabios.org/mailman/listinfo/seabios
