sa_readl
*ret = sa_readl(dev, Mailbox0);
*r1 = sa_readl(dev, Mailbox1);
*r2 = sa_readl(dev, Mailbox2);
*r3 = sa_readl(dev, Mailbox3);
*r4 = sa_readl(dev, Mailbox4);
long status = sa_readl(dev, Mailbox7);
if (sa_readl(dev, Mailbox7) & SELF_TEST_FAILED) {
if (sa_readl(dev, Mailbox7) & KERNEL_PANIC) {
while (!(sa_readl(dev, Mailbox7) & KERNEL_UP_AND_RUNNING)) {
status = sa_readl(dev, Mailbox7);
aac_printf(dev, sa_readl(dev, Mailbox5));