/**
Processes the core image file to produce a directory tree.
@return KErrNone for successful read or error number if failed
*/
TInt CCoreImage::ProcessImage()
{
iRomFileName = iReader->Filename();
int result = CreateRootDir();
if (result == KErrNone)
{
if (iReader->Open())
{
RCoreImageReader::TImageType imageType = iReader->ReadImageType();
if (imageType == RCoreImageReader::E_ROFS)
{
TRofsHeader header;
result = iReader->ReadCoreHeader(header);
if (result == KErrNone)
{
SaveDirInfo(header);
result = ProcessDirectory(0);
}
}
else
result = KErrNotSupported;
}
else
result = KErrGeneral;
}
return result;
}
bool SDS(void)
{
TRACEENTER();
static dword Timeout = 0;
static tHookHandlerState LastHHS = HHS_Exit;
static dword EF00FilterTimeout = 0;
if(LastHHS != HookHandlerState)
{
switch(HookHandlerState)
{
case HHS_Init: WriteLog("HHS_Init"); break;
case HHS_Idle: WriteLog("HHS_Idle"); break;
case HHS_EF00Received: WriteLog("HHS_EF00Received"); break;
case HHS_PowerOffCancel: WriteLog("HHS_PowerOffCancel"); break;
case HHS_ShutdownTimerDiags: WriteLog("HHS_ShutdownTimerDiags"); break;
case HHS_Shutdown: WriteLog("HHS_Shutdown"); break;
case HHS_Exit: WriteLog("HHS_Exit"); break;
}
LastHHS = HookHandlerState;
}
switch(HookHandlerState)
{
case HHS_Init:
{
char *TAPFileName;
tTAPInfo TAPInfo;
CreateRootDir();
//Init some firmware routines
if(!__DevFront_PowerOffReply)
{
__DevFront_PowerOffReply = (void*)FIS_fwDevFront_PowerOffReply();
if(!__DevFront_PowerOffReply)
{
if(LastStatus != -1) WriteLog("Failed to resolve DevFront_PowerOffReply()");
LastStatus = -1;
HookHandlerState = HHS_Exit;
TRACEEXIT();
return FALSE;
}
}
if(!__DevFront_PowerOffCancel)
{
__DevFront_PowerOffCancel = (void*)FIS_fwDevFront_PowerOffCancel();
if(!__DevFront_PowerOffCancel)
{
if(LastStatus != -2) WriteLog("Failed to resolve DevFront_PowerOffCancel()");
LastStatus = -2;
HookHandlerState = HHS_Exit;
TRACEEXIT();
return FALSE;
}
}
//Modify the handler pointer of the ef00 event queue
if(!SetHandler(0xef00, Hooked_ApplEvent_CallHandler, (void*)&OrigHandler))
{
TRACEEXIT();
return FALSE;
}
if(!LibInitialized && !InitTAPex())
{
TRACEEXIT();
return FALSE;
}
if(HDD_TAP_GetFileNameByIndex(TAP_TableIndex, &TAPFileName))
{
if(!HDD_TAP_GetInfo(TAPFileName, &TAPInfo)) strcpy(TAPInfo.TAPName, "???");
}
else
strcpy(TAPInfo.TAPName, "???");
TAP_SPrint(Log, "SDS has been activated by '%s'", TAPInfo.TAPName);
WriteLog(Log);
HookHandlerState = HHS_Idle;
break;
}
case HHS_Idle:
{
if(EF00FilterTimeout && TAP_GetTick() > EF00FilterTimeout) EF00FilterTimeout = 0;
if(ShutdownHooked)
{
HookHandlerState = HHS_EF00Received;
ShutdownHooked = FALSE;
}
break;
}
case HHS_EF00Received:
{
__DevFront_PowerOffReply();
if(EF00FilterTimeout)
{
Timeout = TAP_GetTick() + 50;
HookHandlerState = HHS_PowerOffCancel;
}
else
{
dword ret = HDD_TAP_SendEvent(0, TRUE, EVT_STOP, 2, 0);
if(ret == 0)
{
if(LastStatus != -4) WriteLog("A TAP has intercepted the shutdown notfication");
LastStatus = -4;
Timeout = TAP_GetTick() + 50;
HookHandlerState = HHS_PowerOffCancel;
}
else
{
HookHandlerState = HHS_ShutdownTimerDiags;
}
}
break;
}
case HHS_PowerOffCancel:
{
if(TAP_GetTick() > Timeout)
{
if(LastStatus != -5) WriteLog("The shutdown has been canceled");
LastStatus = -5;
__DevFront_PowerOffCancel();
EF00FilterTimeout = TAP_GetTick() + 200;
HookHandlerState = HHS_Idle;
}
break;
}
case HHS_ShutdownTimerDiags:
{
if(LastStatus != -6) WriteLog("Notifiying TimerDiags about the shutdown");
LastStatus = -6;
HDD_TAP_SendEvent(0x8E0A4224, FALSE, EVT_STOP, 0, 0);
Timeout = TAP_GetTick() + 200;
HookHandlerState = HHS_Shutdown;
break;
}
case HHS_Shutdown:
{
if(TAP_GetTick() > Timeout)
{
if(OrigHandler)
{
SetHandler(0xef00, OrigHandler, NULL);
OrigHandler = NULL;
}
if(LastStatus != -7) WriteLog("Notifiying all TAPs about the shutdown");
LastStatus = -7;
HDD_TAP_SendEvent(0, FALSE, EVT_STOP, 0, 0);
//TAP_Exit();
if(LastStatus != -8) WriteLog("Enqueuing the shutdown event");
LastStatus = -8;
Shutdown(TaskPower);
HookHandlerState = HHS_Exit;
}
break;
}
case HHS_Exit:
{
if(OrigHandler)
{
SetHandler(0xef00, OrigHandler, NULL);
OrigHandler = NULL;
if(LastStatus != -9) WriteLog("SDS has been deactivated");
LastStatus = -9;
}
TRACEEXIT();
return FALSE;
}
}
TRACEEXIT();
return TRUE;
}
word FSFormat( byte Device, byte PartyID, byte Type )
/*
- if DataParty==FALSE => swap party is created
Format:
- check BR
- check size ( minimal/maximal size for file system )
- create system info file in mem
- nr of groups on volume
- nr of sectors on volume
- nr of sectors in last group ( not whole )
- striping table
- create groups
- fill groups bitmaps
- create and fill group info system file in mem
- found bad blocks
- write report to bad blocks system file in mem
- create ROOT directory
- create dir ->file system files.system<-
- create subdir ->transactions.system<- for transactions
- create file ->logfiles list.system<- list of logfiles
- create file ->STRIPING TABLE.system<- ( flush it to disk )
- create file ->GROUP info.system<- ( flush it to disk )
- create file ->BAD SECs.system<- ( flush it to disk )
- create file ->BAD GROUPSs.system<- ( flush it to disk ) has bad bitmap sectors
*/
{
MasterBootRecord BR;
dword GroupStatisticSectors;
// load partition boot record
#ifdef DEBUG
printf("\n\n Party %d on device 0x%x will be FORMATED...", PartyID, Device );
printf("\n Loading BR...");
#endif
if( LoadBoot( Device, PartyID, &BR ) )
{
#ifdef DEBUG
printf("\n Error reading BR..." );
#endif
return ERR_FS_FATAL_ERROR;
}
else
{
#ifdef DEBUG
printf(" OK..." );
#endif
}
// fill format specific structures ( use them for something useful... )
BR.BPB.CATCopies =0; // filled with format - not used
BR.BPB.RootRecords =0; // filled with format - not used
BR.BPB.SizeOfCat =0; // filled with format - not used
BR.BPB.RootFNODEAddr =0; // filled with format
// BR.BPB.NrOfGroups =0; // init in call CreateNrOfGroups
BR.BPB.DirtyFlag =PARTY_IS_CLEAN;
// fill magic word
// far copy
byte i,
MagicData[]={RFS_MAGIC_WORD_DATA_PARTY},
MagicSwap[]={RFS_MAGIC_WORD_SWAP_PARTY};
if( Type==RFS_DATA )
{
for(i=0; i<=7; i++ ) BR.OSID.ID[i]=MagicData[i];
}
else
{
for(i=0; i<=7; i++ ) BR.OSID.ID[i]=MagicSwap[i];
}
// create groups
TheSecondBoot SecondBoot; // statistic of party => the second boot
SecondBoot.MagicBegin= SecondBoot.MagicEnd = 0xCDAB;
// PartyStat.FreeSecs initialized in CreateNrOfGroups
SecondBoot.Label[0] =0;
strcpy( SecondBoot.Label, "Party label not used!" );
// - BR.BPB.HiddenSectors == first logical sector of party
// - use NrOfGroups to change nr. of reserved sectors
// ( The second boot + group statistic added here )
// change hidden sectors
BR.BPB.ReservedSectors += 1u; // reserving sector for the second boot
CreateNrOfGroups(
Device,
(dword)((dword)BR.BPB.HiddenSectors+(dword)BR.BPB.ReservedSectors),
(dword)((dword)BR.BPB.TotalSectors-(dword)BR.BPB.ReservedSectors),
BR.BPB.NrOfGroups,
SecondBoot.FreeSecs, // free space on party in secs
GroupStatisticSectors // nr of secs with group statistic
);
SecondBoot.StatSectors=GroupStatisticSectors;
// reserving sectors for group statistic
BR.BPB.ReservedSectors += (word)GroupStatisticSectors;
// nr. of sectors used for group statistic,
// each groups needs two bytes:
// in this is nr of free sectors in group
// copy BPB
movmem((const void *)&(BR.BPB), (void *)&(SecondBoot.BPB), sizeof(BIOSParameterBlock) );
// Write The Second Boot
// HiddenSectors == first logical sector of party because of logic. address
if( WriteLogicalSector( Device,
BR.BPB.HiddenSectors+1lu,// stat is 2. sec in party
MK_FP( FP_SEG(&SecondBoot), FP_OFF(&SecondBoot) ) )
)
{
#ifdef SEE_ERROR
printf("\n Error writing The Second Boot..." );
#endif
}
#ifdef DEBUG
printf("\n Party STATISTIC saved:"
"\n Free : %lu sectors"
"\n it is : %lu bytes"
"\n Label : %s"
,
SecondBoot.FreeSecs,
SecondBoot.FreeSecs*512lu,
SecondBoot.Label );
#endif
if( SaveBoot( Device, PartyID, &BR ) )
{
#ifdef DEBUG
printf(" error writing MBR..." );
#endif
return ERR_FS_FATAL_ERROR;
}
Device&=0x0F;
// Creating of root dir here...
CreateRootDir( Device, PartyID, BR.BPB.RootFNODEAddr );
// copy BPB
movmem((const void *)&(BR.BPB), (void *)&(SecondBoot.BPB), sizeof(BIOSParameterBlock) );
if( SaveBoot( Device, PartyID, &BR ) )
{
#ifdef DEBUG
printf(" error writing MBR..." );
#endif
return ERR_FS_FATAL_ERROR;
}
// Write The Second Boot
if( WriteLogicalSector( Device,
BR.BPB.HiddenSectors+1lu,// stat is 2. sec in party
MK_FP( FP_SEG(&SecondBoot), FP_OFF(&SecondBoot) ) )
)
{
#ifdef SEE_ERROR
printf("\n Error writing The Second Boot..." );
#endif
}
#ifdef DEBUG
printf("\n Format results:" );
LoadBoot( Device, PartyID, &BR );
printf("\n Format OK..." );
#endif
return ERR_FS_NO_ERROR;
}