筆記---4

筆記---4


ASL code中的CMOS address對應到BIOS某段code

ASL code中的CMOS address (好像0x72都是指CMOS@@?!)

OperationRegion(CMS2, SystemIO, 0x072, 0x2)  // Extended CMOS Address
  Field(CMS2, ByteAcc, NoLock, Preserve) {
        INDX, 8,
        DATA, 8
}

IndexField(INDX, DATA, ByteAcc, NoLock, Preserve)
{
    Offset(0x50),    
        LCDL, 3,
            , 2,
        LBLM, 1,
            , 2,
    Offset(0x51),    
        CPST, 5,
            , 2,
        CSTM, 1,
    Offset(0x56),
        WLST, 1,
        WEBC, 1,
        S4FG, 1,
            , 5,
}

BIOS某段code (xxx.asm)

CREATE_BITFIELD cmosBrightnessLevel, 3, 7, 7, NV1
    PLACE_BITFIELD    cmosBrightnessLevel, 8 * 050h + 0h
        
CREATE_BITFIELD cmosLanBootCfg, 1, 0, 0, CHKSUM + NV1
    PLACE_BITFIELD  cmosLanBootCfg,      8 * 050h + 4h
        
CREATE_BITFIELD cmosLongBatLifeCfg, 1, 0, 0, CHKSUM + NV1
    PLACE_BITFIELD    cmosLongBatLifeCfg,  8 * 050h + 5h
    
CREATE_BITFIELD cmosCPUPState, 5, 0, 0, NV1
    PLACE_BITFIELD    cmosCPUPState,    8 * 051h + 0h
    
CREATE_BITFIELD    cmosCUPSupportTurboMode, 1, 0, 0, NV1
    PLACE_BITFIELD    cmosCUPSupportTurboMode, 8 * 051h + 7h
        
CREATE_BITFIELD cmosWLANState,1, 0, 0, NV1
    PLACE_BITFIELD    cmosWLANState,        8 * 056h + 0h
        
CREATE_BITFIELD cmosWebCamState,1, 0, 0, NV1
    PLACE_BITFIELD    cmosWebCamState,        8 * 056h + 1h
    
CREATE_BITFIELD cmosS4Flag, 1, 0, 0, NV1
    PLACE_BITFIELD  cmosS4Flag,             8 * 056h + 2h