Leaked source code of windows server 2003
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/*
* ACPISI.C - ACPI OS Independent System Indicator Routines
*
* Notes:
*
* This file provides OS independent functions for managing system indicators
*
*/
#include "pch.h"
#ifdef ALLOC_PRAGMA
#pragma alloc_text(PAGE, SetSystemIndicator)
#endif
BOOLEAN
SetSystemIndicator (
SYSTEM_INDICATORS SystemIndicators,
ULONG Value
)
{
PNSOBJ pns = NULL, pnssi = NULL;
OBJDATA Arg0,data;
char IndicatorName []= "_SST";
PAGED_CODE();
switch (SystemIndicators) {
case SystemStatus:
// StrCpy (IndicatorName, "_SST",sizeof(IndicatorName));
// init arg0 for the control method
ACPIPrint( (
ACPI_PRINT_POWER,
"System Status Value = %x\n",
Value
) );
Arg0.dwfData = 0;
Arg0.uipDataValue = Value;
Arg0.dwDataType = OBJTYPE_INTDATA;
Arg0.dwDataLen = 0;
Arg0.pbDataBuff = NULL;
break;
case MessageWaiting:
StrCpy (IndicatorName, "_MSG",sizeof(IndicatorName));
// init arg0 for the control method
ACPIPrint( (
ACPI_PRINT_POWER,
"Message Waiting Value = %x\n",
Value
) );
Arg0.dwfData = 0;
Arg0.uipDataValue = Value;
Arg0.dwDataType = OBJTYPE_INTDATA;
Arg0.dwDataLen = 0;
Arg0.pbDataBuff = NULL;
break;
default:
ACPIPrint( (
ACPI_PRINT_FAILURE,
"SetSystemIndicator: Unknown Indicator\n"
) );
return FALSE;
}
if ( AMLIERR(AMLIGetNameSpaceObject ("\\_SI",NULL, &pnssi,0)) != AMLIERR_NONE ) {
ACPIPrint( (
ACPI_PRINT_FAILURE,
"Could not GET \\_SI\n"
) );
ACPIBreakPoint ();
return FALSE;
}
if ( AMLIERR(AMLIGetNameSpaceObject (IndicatorName, pnssi, &pns,NSF_LOCAL_SCOPE)) == AMLIERR_NONE ) {
if ( AMLIERR(AMLIEvalNameSpaceObject (pns,&data, 1, &Arg0)) == AMLIERR_NONE ) {
AMLIFreeDataBuffs (&data,1);
} else {
ACPIPrint( (
ACPI_PRINT_FAILURE,
"Attempt to Eval %s %x failed using objdata %x\n",
IndicatorName,pns,&Arg0
) );
ACPIBreakPoint ();
}
} else {
ACPIPrint( (
ACPI_PRINT_FAILURE,
"Attempt to GET %s failed\n",
IndicatorName,pns,&Arg0
) );
}
return (TRUE);
}