85     case 0x10: /* Interrupt Mask */  in mpc8xxx_gpio_read()
101         uint32_t mask = 0x80000000 >> i;  in mpc8xxx_write_data()  local
102         if (!(diff & mask)) {  in mpc8xxx_write_data()
106         if (s->dir & mask) {  in mpc8xxx_write_data()
108             qemu_set_irq(s->out[i], (new_data & mask) != 0);  in mpc8xxx_write_data()
138     case 0x10: /* Interrupt Mask */  in mpc8xxx_gpio_write()
164     uint32_t mask;  in mpc8xxx_gpio_set_irq()  local
166     mask = 0x80000000 >> irq;  in mpc8xxx_gpio_set_irq()
167     if ((s->dir & mask) == 0) {  in mpc8xxx_gpio_set_irq()
168         uint32_t old_value = s->dat & mask;  in mpc8xxx_gpio_set_irq()
170         s->dat &= ~mask;  in mpc8xxx_gpio_set_irq()
172             s->dat |= mask;  in mpc8xxx_gpio_set_irq()
175             s->ier |= mask;  in mpc8xxx_gpio_set_irq()