uint32_t clear_smi_status(void)
{
uint32_t sts = reset_smi_status();
/*
* Check for power button status if nothing else is indicating an SMI
* and SMIs aren't turned into SCIs. Apparently, there is no PM1 status
* bit in the SMI status register. That makes things difficult for
* determining if the power button caused an SMI.
*/
if (sts == 0 && !(inl(ACPI_PMIO_BASE + PM1_CNT) & SCI_EN)) {
uint16_t pm1_sts = inw(ACPI_PMIO_BASE + PM1_STS);
/* Fake PM1 status bit if power button pressed. */
if (pm1_sts & PWRBTN_STS)
sts |= (1 << FAKE_PM1_SMI_STS);
}
return print_smi_status(sts);
}
uint32_t clear_smi_status(void)
{
return print_smi_status(reset_smi_status());
}
