On Tue, Dec 28, 2010 at 9:45 PM, Peter Lieven <p...@dlh.net> wrote: > What happens if I set the A20 Gate via the keyboard controller and then read > its status via ioport 0x92? This doesn't work, or does it? > What was wrong reading the A20 via > > int ioport_get_a20(void) > { > return ((first_cpu->a20_mask >> 20) & 1); > } > > every time ioport 0x92 or the keyobard outport is read?
I wonder the same thing. Also, stashing the uint8_t output value away is not migration-friendly at the moment? Stefan