On Fri, May 22, 2009 at 01:11:14AM +0800, Jason Wang wrote: > Hi all, > I am trying to make optionrom can be run in PM 32 bit mode, and my work > flow is 1)load gdt 2)open A20 3) set cro bit 4) take the long jump to 32 > bit PM. After step 3) optionrom has already in 16bit PM,but the long jump > did not work, which should run in to 32bit PM. I paste the whole assemble > file here. Is there any one who can give a hand about this?
You can look at how SeaBIOS does it: http://git.linuxtogo.org/?p=kevin/seabios.git;a=blob;f=src/romlayout.S;h=9fe5c71b11f15b9990e9e61c9f656eeadf7f0eed;hb=HEAD#l28 -Kevin -- coreboot mailing list: [email protected] http://www.coreboot.org/mailman/listinfo/coreboot
