PM1A_EVT_ADDR
fadt.Pm1aEventBlock = htole32(PM1A_EVT_ADDR);
ACPI_GAS_ACCESS_WIDTH_WORD, PM1A_EVT_ADDR);
INOUT_PORT(pm1_status, PM1A_EVT_ADDR, IOPORT_F_INOUT, pm1_status_handler);
INOUT_PORT(pm1_enable, PM1A_EVT_ADDR + 2, IOPORT_F_INOUT, pm1_enable_handler);
SYSRES_IO(PM1A_EVT_ADDR, 8);