void TSysInfoWindow::GetSysInformation( void )
{
DWORD SysFlags;
char tempstr[ 31 ];
WORD ArgList[ 2 ];
WORD Ver;
DWORD Available;
HINSTANCE hInstance = GetApplication()->hInstance;
SysFlags = GetWinFlags();
ArgList[ 0 ] = GetModuleUsage( hInstance );
wvsprintf( (LPSTR) TransferRecord.InstanceNumber, (LPSTR) "%d", (LPSTR) ArgList );
Ver = GetVersion();
ArgList[0] = (WORD) LOBYTE(LOWORD( Ver ));
ArgList[1] = (WORD) HIBYTE(LOWORD( Ver ));
wvsprintf( (LPSTR) TransferRecord.WindowsVersion, (LPSTR) "%d.%d", (LPSTR) ArgList );
if ( SysFlags & WF_ENHANCED )
LoadString( hInstance, ID_ENHANCED, tempstr, sizeof( tempstr ) );
else if ( SysFlags & WF_STANDARD )
LoadString( hInstance, ID_STANDARD, tempstr, sizeof( tempstr ) );
else if ( SysFlags & WF_PMODE )
LoadString( hInstance, ID_REAL, tempstr, sizeof( tempstr ) );
else
LoadString( hInstance, ID_UNKNOWN, tempstr, sizeof( tempstr ) );
strcpy( TransferRecord.OperationMode, tempstr );
if ( SysFlags & WF_CPU086 )
LoadString( hInstance, ID_CPU8086, tempstr, sizeof( tempstr ) );
else if ( SysFlags & WF_CPU186 )
LoadString( hInstance, ID_CPU80186, tempstr, sizeof( tempstr ) );
else if ( SysFlags & WF_CPU286 )
LoadString( hInstance, ID_CPU80286, tempstr, sizeof( tempstr ) );
else if ( SysFlags & WF_CPU386 )
LoadString( hInstance, ID_CPU80386, tempstr, sizeof( tempstr ) );
else if ( SysFlags & WF_CPU486 )
LoadString( hInstance, ID_CPU80486, tempstr, sizeof( tempstr ) );
else
LoadString( hInstance, ID_UNKNOWN, tempstr, sizeof( tempstr ) );
strcpy( TransferRecord.CPUType, tempstr );
if ( SysFlags & WF_80x87 )
LoadString( hInstance, ID_YES, tempstr, sizeof( tempstr ) );
else
LoadString( hInstance, ID_NO, tempstr, sizeof( tempstr ) );
strcpy( TransferRecord.CoProcessor, tempstr );
Available = GetFreeSpace( 0 ) / 1024;
ArgList[0] = LOWORD( Available );
ArgList[1] = HIWORD( Available );
wvsprintf( (LPSTR) TransferRecord.Global, (LPSTR) "%lu", (LPSTR) ArgList );
ArgList[0] = _osmajor;
ArgList[1] = _osminor;
wvsprintf( (LPSTR) TransferRecord.VersionDos, (LPSTR) "%d.%d", (LPSTR) ArgList );
TransferBuffer = (LPSTR) &TransferRecord;
}
TInt CFileEngine::CheckDiskSpace(const TDesC& aSourceFile,const TDesC& aDestFile)
{
RFile file;
TInt rv =0;
TInt nFileLen=0;
rv = file.Open(iFs, aSourceFile, EFileWrite|EFileShareAny);
if (KErrNone != rv)
{
return 2;
}
file.Size(nFileLen);
nFileLen=nFileLen/1024;
TInt64 nDriverSize=GetFreeSpace(aDestFile.Mid(0,1));
if((TInt64)nFileLen>nDriverSize)
{
//存储空间不足
file.Close();
return 1;
}
file.Close();
return 0;
}
unsigned long GetMaxRecordingTime(void)
{
unsigned long free_space;
if ((free_space = GetFreeSpace()) == 0)
{
return 0;
}
unsigned long minutes_of_recording = (free_space / (ONE_MINUTE_LOW_QUALITY));
return (minutes_of_recording * MILLISECONDS);
}
bool cByteBuffer::Write(const char * a_Bytes, int a_Count)
{
CHECK_THREAD;
CheckValid();
// Store the current free space for a check after writing:
int CurFreeSpace = GetFreeSpace();
int CurReadableSpace = GetReadableSpace();
int WrittenBytes = 0;
if (GetFreeSpace() < a_Count)
{
return false;
}
int TillEnd = m_BufferSize - m_WritePos;
if (TillEnd <= a_Count)
{
// Need to wrap around the ringbuffer end
if (TillEnd > 0)
{
memcpy(m_Buffer + m_WritePos, a_Bytes, TillEnd);
a_Bytes += TillEnd;
a_Count -= TillEnd;
WrittenBytes = TillEnd;
}
m_WritePos = 0;
}
// We're guaranteed that we'll fit in a single write op
if (a_Count > 0)
{
memcpy(m_Buffer + m_WritePos, a_Bytes, a_Count);
m_WritePos += a_Count;
WrittenBytes += a_Count;
}
ASSERT(GetFreeSpace() == CurFreeSpace - WrittenBytes);
ASSERT(GetReadableSpace() == CurReadableSpace + WrittenBytes);
return true;
}
void fastPoll( void )
{
RANDOM_STATE randomState;
BYTE buffer[ RANDOM_BUFSIZE ];
SYSHEAPINFO sysHeapInfo;
MEMMANINFO memManInfo;
TIMERINFO timerInfo;
POINT point;
initRandomData( randomState, buffer, RANDOM_BUFSIZE );
/* Get various basic pieces of system information: Handle of the window
with mouse capture, handle of window with input focus, amount of
space in global heap, whether system queue has any events, cursor
position for last message, 55 ms time for last message, number of
active tasks, 55 ms time since Windows started, current mouse cursor
position, current caret position */
addRandomValue( randomState, GetCapture() );
addRandomValue( randomState, GetFocus() );
addRandomValue( randomState, GetFreeSpace( 0 ) );
addRandomValue( randomState, GetInputState() );
addRandomValue( randomState, GetMessagePos() );
addRandomValue( randomState, GetMessageTime() );
addRandomValue( randomState, GetNumTasks() );
addRandomValue( randomState, GetTickCount() );
GetCursorPos( &point );
addRandomData( randomState, &point, sizeof( POINT ) );
GetCaretPos( &point );
addRandomData( randomState, &point, sizeof( POINT ) );
/* Get the largest free memory block, number of lockable pages, number of
unlocked pages, number of free and used pages, and number of swapped
pages */
memManInfo.dwSize = sizeof( MEMMANINFO );
MemManInfo( &memManInfo );
addRandomData( randomState, &memManInfo, sizeof( MEMMANINFO ) );
/* Get the execution times of the current task and VM to approximately
1ms resolution */
timerInfo.dwSize = sizeof( TIMERINFO );
TimerCount( &timerInfo );
addRandomData( randomState, &timerInfo, sizeof( TIMERINFO ) );
/* Get the percentage free and segment of the user and GDI heap */
sysHeapInfo.dwSize = sizeof( SYSHEAPINFO );
SystemHeapInfo( &sysHeapInfo );
addRandomData( randomState, &sysHeapInfo, sizeof( SYSHEAPINFO ) );
/* Flush any remaining data through */
endRandomData( randomState, 25 );
}
int far pascal __loadds FS_MOUNT(unsigned short usFlag, /* flag */
struct vpfsi far * pvpfsi, /* pvpfsi */
struct vpfsd far * pvpfsd, /* pvpfsd */
unsigned short hVBP, /* hVPB */
char far * pBoot /* pBoot */)
{
PBOOTSECT pSect;
PVOLINFO pVolInfo;
PVOLINFO pNext, pPrev;
USHORT usVolCount;
USHORT hDupVBP;
USHORT rc;
P_DriverCaps pDevCaps;
P_VolChars pVolChars;
_asm push es;
//_asm push bx;
if (f32Parms.fMessageActive & LOG_FS)
Message("FS_MOUNT for %c (%d):, flag = %d",
pvpfsi->vpi_drive + 'A',
pvpfsi->vpi_unit,
usFlag);
switch (usFlag)
{
case MOUNT_MOUNT :
if (FSH_FINDDUPHVPB(hVBP, &hDupVBP))
hDupVBP = 0;
pSect = (PBOOTSECT)pBoot;
if (memicmp(pSect->FileSystem, "FAT32", 5))
{
rc = ERROR_VOLUME_NOT_MOUNTED;
goto FS_MOUNT_EXIT;
}
if (pSect->bpb.BytesPerSector != SECTOR_SIZE)
{
rc = ERROR_VOLUME_NOT_MOUNTED;
goto FS_MOUNT_EXIT;
}
if(( ULONG )pSect->bpb.BytesPerSector * pSect->bpb.SectorsPerCluster > MAX_CLUSTER_SIZE )
{
rc = ERROR_VOLUME_NOT_MOUNTED;
goto FS_MOUNT_EXIT;
}
pvpfsi->vpi_vid = pSect->ulVolSerial;
pvpfsi->vpi_bsize = pSect->bpb.BytesPerSector;
pvpfsi->vpi_totsec = pSect->bpb.BigTotalSectors;
pvpfsi->vpi_trksec = pSect->bpb.SectorsPerTrack;
pvpfsi->vpi_nhead = pSect->bpb.Heads;
memset(pvpfsi->vpi_text, 0, sizeof pvpfsi->vpi_text);
memcpy(pvpfsi->vpi_text, pSect->VolumeLabel, sizeof pSect->VolumeLabel);
pVolInfo = gdtAlloc(STORAGE_NEEDED, FALSE);
if (!pVolInfo)
{
rc = ERROR_NOT_ENOUGH_MEMORY;
goto FS_MOUNT_EXIT;
}
rc = FSH_FORCENOSWAP(SELECTOROF(pVolInfo));
if (rc)
FatalMessage("FSH_FORCENOSWAP on VOLINFO Segment failed, rc=%u", rc);
memset(pVolInfo, 0, (size_t)STORAGE_NEEDED);
InitCache(ulCacheSectors);
memcpy(&pVolInfo->BootSect, pSect, sizeof (BOOTSECT));
pVolInfo->ulActiveFatStart = pSect->bpb.ReservedSectors;
if (pSect->bpb.ExtFlags & 0x0080)
pVolInfo->ulActiveFatStart +=
pSect->bpb.BigSectorsPerFat * (pSect->bpb.ExtFlags & 0x000F);
pVolInfo->ulStartOfData = pSect->bpb.ReservedSectors +
pSect->bpb.BigSectorsPerFat * pSect->bpb.NumberOfFATs;
pVolInfo->pBootFSInfo = (PBOOTFSINFO)(pVolInfo + 1);
pVolInfo->pbFatSector = (PBYTE)(pVolInfo->pBootFSInfo + 1);
pVolInfo->ulCurFatSector = -1L;
pVolInfo->usClusterSize = pSect->bpb.BytesPerSector * pSect->bpb.SectorsPerCluster;
pVolInfo->ulTotalClusters = (pSect->bpb.BigTotalSectors - pVolInfo->ulStartOfData) / pSect->bpb.SectorsPerCluster;
pVolInfo->hVBP = hVBP;
pVolInfo->hDupVBP = hDupVBP;
pVolInfo->bDrive = pvpfsi->vpi_drive;
pVolInfo->bUnit = pvpfsi->vpi_unit;
pVolInfo->pNextVolInfo = NULL;
pVolInfo->fFormatInProgress = FALSE;
if (usDefaultRASectors == 0xFFFF)
pVolInfo->usRASectors = (pVolInfo->usClusterSize / SECTOR_SIZE ) * 2;
else
pVolInfo->usRASectors = usDefaultRASectors;
#if 1
if( pVolInfo->usRASectors > MAX_RASECTORS )
pVolInfo->usRASectors = MAX_RASECTORS;
#else
if (pVolInfo->usRASectors > (pVolInfo->usClusterSize / SECTOR_SIZE) * 4)
pVolInfo->usRASectors = (pVolInfo->usClusterSize / SECTOR_SIZE ) * 4;
#endif
if (pSect->bpb.FSinfoSec != 0xFFFF)
{
ReadSector(pVolInfo, pSect->bpb.FSinfoSec, 1, pVolInfo->pbFatSector, DVIO_OPNCACHE);
memcpy(pVolInfo->pBootFSInfo, pVolInfo->pbFatSector + FSINFO_OFFSET, sizeof (BOOTFSINFO));
}
else
memset(pVolInfo->pBootFSInfo, 0, sizeof (BOOTFSINFO));
*((PVOLINFO *)(pvpfsd->vpd_work)) = pVolInfo;
if (!pGlobVolInfo)
{
pGlobVolInfo = pVolInfo;
usVolCount = 1;
}
else
{
pNext = pGlobVolInfo;
usVolCount = 1;
if (pNext->bDrive == pvpfsi->vpi_drive && !pVolInfo->hDupVBP)
pVolInfo->hDupVBP = pNext->hVBP;
while (pNext->pNextVolInfo)
{
pNext = (PVOLINFO)pNext->pNextVolInfo;
if (pNext->bDrive == pvpfsi->vpi_drive && !pVolInfo->hDupVBP)
pVolInfo->hDupVBP = pNext->hVBP;
usVolCount++;
}
pNext->pNextVolInfo = pVolInfo;
usVolCount++;
}
if (f32Parms.fMessageActive & LOG_FS)
Message("%u Volumes mounted!", usVolCount);
rc = CheckWriteProtect(pVolInfo);
if (rc && rc != ERROR_WRITE_PROTECT)
{
Message("Cannot access drive, rc = %u", rc);
goto FS_MOUNT_EXIT;
}
if (rc == ERROR_WRITE_PROTECT)
pVolInfo->fWriteProtected = TRUE;
pVolInfo->fDiskCleanOnMount = pVolInfo->fDiskClean = GetDiskStatus(pVolInfo);
if (!pVolInfo->fDiskCleanOnMount)
Message("DISK IS DIRTY!");
if (pVolInfo->fWriteProtected)
pVolInfo->fDiskCleanOnMount = TRUE;
if (!pVolInfo->hDupVBP &&
(f32Parms.fCalcFree ||
pVolInfo->pBootFSInfo->ulFreeClusters == 0xFFFFFFFF ||
/*!pVolInfo->fDiskClean ||*/
pVolInfo->BootSect.bpb.FSinfoSec == 0xFFFF))
GetFreeSpace(pVolInfo);
pDevCaps = pvpfsi->vpi_pDCS;
pVolChars = pvpfsi->vpi_pVCS;
if (pDevCaps->Capabilities & GDC_DD_Read2)
Message("Read2 supported");
if (pDevCaps->Capabilities & GDC_DD_DMA_Word)
Message("DMA on word alligned buffers supported");
if (pDevCaps->Capabilities & GDC_DD_DMA_Byte)
Message("DMA on byte alligned buffers supported");
if (pDevCaps->Capabilities & GDC_DD_Mirror)
Message("Disk Mirroring supported");
if (pDevCaps->Capabilities & GDC_DD_Duplex)
Message("Disk Duplexing supported");
if (pDevCaps->Capabilities & GDC_DD_No_Block)
Message("Strategy2 does not block");
if (pDevCaps->Capabilities & GDC_DD_16M)
Message(">16M supported");
if (pDevCaps->Strategy2)
{
Message("Strategy2 address at %lX", pDevCaps->Strategy2);
Message("ChgPriority address at %lX", pDevCaps->ChgPriority);
pVolInfo->pfnStrategy = (STRATFUNC)pDevCaps->Strategy2;
pVolInfo->pfnPriority = (STRATFUNC)pDevCaps->ChgPriority;
}
rc = 0;
break;
case MOUNT_ACCEPT :
if (FSH_FINDDUPHVPB(hVBP, &hDupVBP))
hDupVBP = 0;
if (pvpfsi->vpi_bsize != SECTOR_SIZE)
{
rc = ERROR_VOLUME_NOT_MOUNTED;
goto FS_MOUNT_EXIT;
}
pVolInfo = gdtAlloc(STORAGE_NEEDED, FALSE);
if (!pVolInfo)
{
rc = ERROR_NOT_ENOUGH_MEMORY;
goto FS_MOUNT_EXIT;
}
rc = FSH_FORCENOSWAP(SELECTOROF(pVolInfo));
if (rc)
FatalMessage("FSH_FORCENOSWAP on VOLINFO Segment failed, rc=%u", rc);
memset(pVolInfo, 0, (size_t)STORAGE_NEEDED);
//InitCache(ulCacheSectors);
memset(&pVolInfo->BootSect, 0, sizeof (BOOTSECT));
pVolInfo->BootSect.bpb.BigTotalSectors = pvpfsi->vpi_totsec;
pVolInfo->BootSect.bpb.BytesPerSector = pvpfsi->vpi_bsize;
pVolInfo->fWriteProtected = FALSE;
pVolInfo->fDiskCleanOnMount = FALSE;
pVolInfo->hVBP = hVBP;
pVolInfo->hDupVBP = hDupVBP;
pVolInfo->bDrive = pvpfsi->vpi_drive;
pVolInfo->bUnit = pvpfsi->vpi_unit;
pVolInfo->pNextVolInfo = NULL;
// the volume is being formatted
pVolInfo->fFormatInProgress = TRUE;
// fake values assuming sector == cluster
pVolInfo->usClusterSize = pvpfsi->vpi_bsize;
pVolInfo->ulTotalClusters = pvpfsi->vpi_totsec;
pVolInfo->usRASectors = usDefaultRASectors;
// undefined
pVolInfo->ulStartOfData = 0;
//*((PVOLINFO *)(pvpfsd->vpd_work)) = pVolInfo;
if (!pGlobVolInfo)
{
pGlobVolInfo = pVolInfo;
usVolCount = 1;
}
else
{
pNext = pGlobVolInfo;
usVolCount = 1;
if (pNext->bDrive == pvpfsi->vpi_drive && !pVolInfo->hDupVBP)
pVolInfo->hDupVBP = pNext->hVBP;
while (pNext->pNextVolInfo)
{
pNext = (PVOLINFO)pNext->pNextVolInfo;
if (pNext->bDrive == pvpfsi->vpi_drive && !pVolInfo->hDupVBP)
pVolInfo->hDupVBP = pNext->hVBP;
usVolCount++;
}
pNext->pNextVolInfo = pVolInfo;
usVolCount++;
}
if (f32Parms.fMessageActive & LOG_FS)
Message("%u Volumes mounted!", usVolCount);
pDevCaps = pvpfsi->vpi_pDCS;
pVolChars = pvpfsi->vpi_pVCS;
if (pDevCaps->Capabilities & GDC_DD_Read2)
Message("Read2 supported");
if (pDevCaps->Capabilities & GDC_DD_DMA_Word)
Message("DMA on word alligned buffers supported");
if (pDevCaps->Capabilities & GDC_DD_DMA_Byte)
Message("DMA on byte alligned buffers supported");
if (pDevCaps->Capabilities & GDC_DD_Mirror)
Message("Disk Mirroring supported");
if (pDevCaps->Capabilities & GDC_DD_Duplex)
Message("Disk Duplexing supported");
if (pDevCaps->Capabilities & GDC_DD_No_Block)
Message("Strategy2 does not block");
if (pDevCaps->Capabilities & GDC_DD_16M)
Message(">16M supported");
if (pDevCaps->Strategy2)
{
Message("Strategy2 address at %lX", pDevCaps->Strategy2);
Message("ChgPriority address at %lX", pDevCaps->ChgPriority);
pVolInfo->pfnStrategy = (STRATFUNC)pDevCaps->Strategy2;
pVolInfo->pfnPriority = (STRATFUNC)pDevCaps->ChgPriority;
}
rc = 0;
break;
case MOUNT_VOL_REMOVED:
case MOUNT_RELEASE:
pVolInfo = GetVolInfo(hVBP);
if (!pVolInfo)
{
rc = ERROR_VOLUME_NOT_MOUNTED;
goto FS_MOUNT_EXIT;
}
//if (!pVolInfo->hDupVBP)
//{
usFlushVolume( pVolInfo, FLUSH_DISCARD, TRUE, PRIO_URGENT );
if (f32Parms.usDirtySectors) // vs
UpdateFSInfo(pVolInfo); //
MarkDiskStatus(pVolInfo, TRUE);
//}
// delete pVolInfo from the list
if (pGlobVolInfo)
{
pNext = pPrev = pGlobVolInfo;
// search for pVolInfo in the list
while (pNext != pVolInfo)
{
pPrev = pNext;
pNext = (PVOLINFO)pNext->pNextVolInfo;
}
// found
if (pNext == pVolInfo)
{
if (pPrev == pVolInfo) // the very 1st list item
pGlobVolInfo = NULL;
else
{
// delete it
pNext = pNext->pNextVolInfo;
pPrev->pNextVolInfo = pNext;
}
usVolCount--;
}
}
RemoveVolume(pVolInfo);
freeseg(pVolInfo);
rc = 0;
break;
default :
rc = ERROR_NOT_SUPPORTED;
break;
}
FS_MOUNT_EXIT:
if (f32Parms.fMessageActive & LOG_FS)
Message("FS_MOUNT returned %u\n", rc);
//_asm int 3
//_asm pop bx;
_asm pop es;
return rc;
}
Bool
I830Allocate3DMemory(ScrnInfoPtr pScrn, const int flags)
{
I830Ptr pI830 = I830PTR(pScrn);
unsigned long size, alloced, align = 0;
int i;
Bool tileable;
Bool dryrun = ((flags & ALLOCATE_DRY_RUN) != 0);
int verbosity = dryrun ? 4 : 1;
const char *s = dryrun ? "[dryrun] " : "";
int lines;
DPRINTF(PFX, "I830Allocate3DMemory\n");
/* Back Buffer */
memset(&(pI830->BackBuffer), 0, sizeof(pI830->BackBuffer));
pI830->BackBuffer.Key = -1;
tileable = !(flags & ALLOC_NO_TILING) &&
IsTileable(pScrn->displayWidth * pI830->cpp);
if (tileable) {
/* Make the height a multiple of the tile height (16) */
lines = (pScrn->virtualY + 15) / 16 * 16;
} else {
lines = pScrn->virtualY;
}
size = ROUND_TO_PAGE(pScrn->displayWidth * lines * pI830->cpp);
/*
* Try to allocate on the best tile-friendly boundaries.
*/
alloced = 0;
if (tileable) {
align = GetBestTileAlignment(size);
for (align = GetBestTileAlignment(size); align >= KB(512); align >>= 1) {
alloced = I830AllocVidMem(pScrn, &(pI830->BackBuffer),
&(pI830->StolenPool), size, align,
flags | FROM_ANYWHERE | ALLOCATE_AT_TOP |
ALIGN_BOTH_ENDS);
if (alloced >= size)
break;
}
}
if (alloced < size) {
/* Give up on trying to tile */
tileable = FALSE;
size = ROUND_TO_PAGE(pScrn->displayWidth * pScrn->virtualY * pI830->cpp);
align = GTT_PAGE_SIZE;
alloced = I830AllocVidMem(pScrn, &(pI830->BackBuffer),
&(pI830->StolenPool), size, align,
flags | FROM_ANYWHERE | ALLOCATE_AT_TOP);
}
if (alloced < size) {
if (!dryrun) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
"Failed to allocate back buffer space.\n");
}
return FALSE;
}
xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, verbosity,
"%sAllocated %d kB for the back buffer at 0x%x.\n", s,
alloced / 1024, pI830->BackBuffer.Start);
/* Depth Buffer -- same size as the back buffer */
memset(&(pI830->DepthBuffer), 0, sizeof(pI830->DepthBuffer));
pI830->DepthBuffer.Key = -1;
/*
* Try to allocate on the best tile-friendly boundaries.
*/
alloced = 0;
if (tileable) {
/* Start with the previous align value. */
for (; align >= KB(512); align >>= 1) {
alloced = I830AllocVidMem(pScrn, &(pI830->DepthBuffer),
&(pI830->StolenPool), size, align,
flags | FROM_ANYWHERE | ALLOCATE_AT_TOP |
ALIGN_BOTH_ENDS);
if (alloced >= size)
break;
}
}
if (alloced < size) {
/* Give up on trying to tile */
tileable = FALSE;
size = ROUND_TO_PAGE(pScrn->displayWidth * pScrn->virtualY * pI830->cpp);
align = GTT_PAGE_SIZE;
alloced = I830AllocVidMem(pScrn, &(pI830->DepthBuffer),
&(pI830->StolenPool), size, align,
flags | FROM_ANYWHERE | ALLOCATE_AT_TOP);
}
if (alloced < size) {
if (!dryrun) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
"Failed to allocate depth buffer space.\n");
}
return FALSE;
}
xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, verbosity,
"%sAllocated %d kB for the depth buffer at 0x%x.\n", s,
alloced / 1024, pI830->DepthBuffer.Start);
/* Space for logical context. 32k is fine for right now. */
memset(&(pI830->ContextMem), 0, sizeof(pI830->ContextMem));
pI830->ContextMem.Key = -1;
size = KB(32);
alloced = I830AllocVidMem(pScrn, &(pI830->ContextMem),
&(pI830->StolenPool), size, GTT_PAGE_SIZE,
flags | FROM_ANYWHERE | ALLOCATE_AT_TOP);
if (alloced < size) {
if (!dryrun) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
"Failed to allocate logical context space.\n");
}
return FALSE;
}
xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, verbosity,
"%sAllocated %d kB for the logical context at 0x%x.\n", s,
alloced / 1024, pI830->ContextMem.Start);
/*
* Space for DMA buffers, only if there's enough free for at least 1MB
* of texture space.
*/
memset(&(pI830->BufferMem), 0, sizeof(pI830->BufferMem));
pI830->BufferMem.Key = -1;
/* This should already be a page multiple */
size = I830_DMA_BUF_NR * I830_DMA_BUF_SZ;
if (dryrun || (GetFreeSpace(pScrn) >= size + MB(1))) {
alloced = I830AllocVidMem(pScrn, &(pI830->BufferMem),
&(pI830->StolenPool), size,
GTT_PAGE_SIZE,
flags | FROM_ANYWHERE | ALLOCATE_AT_TOP);
if (alloced < size) {
if (!dryrun) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
"Failed to allocate DMA buffer space.\n");
}
return FALSE;
}
xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, verbosity,
"%sAllocated %d kB for the DMA buffers at 0x%x.\n", s,
alloced / 1024, pI830->BufferMem.Start);
} else {
if (!dryrun) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
"Not enough free space for DMA buffers.\n");
}
return FALSE;
}
/* Allocate the remaining space for textures. */
memset(&(pI830->TexMem), 0, sizeof(pI830->TexMem));
pI830->TexMem.Key = -1;
size = GetFreeSpace(pScrn);
if (dryrun && (size < MB(1)))
size = MB(1);
i = myLog2(size / I830_NR_TEX_REGIONS);
if (i < I830_LOG_MIN_TEX_REGION_SIZE)
i = I830_LOG_MIN_TEX_REGION_SIZE;
pI830->TexGranularity = i;
/* Truncate size */
size >>= i;
size <<= i;
if (size < KB(512)) {
if (!dryrun) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
"Less than %d kBytes for texture space.\n", size / 1024);
}
return FALSE;
}
alloced = I830AllocVidMem(pScrn, &(pI830->TexMem),
&(pI830->StolenPool), size, GTT_PAGE_SIZE,
flags | FROM_ANYWHERE | ALLOCATE_AT_TOP);
if (alloced < size) {
if (!dryrun) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
"Failed to allocate texture space.\n");
}
return FALSE;
}
xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, verbosity,
"%sAllocated %d kB for textures at 0x%x\n", s,
alloced / 1024, pI830->TexMem.Start);
return TRUE;
}
Bool
I830Allocate2DMemory(ScrnInfoPtr pScrn, const int flags)
{
I830Ptr pI830 = I830PTR(pScrn);
unsigned long size, alloced;
Bool dryrun = ((flags & ALLOCATE_DRY_RUN) != 0);
int verbosity = dryrun ? 4 : 1;
const char *s = dryrun ? "[dryrun] " : "";
Bool tileable;
int align, alignflags;
DPRINTF(PFX, "I830Allocate2DMemory: inital is %s\n",
BOOLTOSTRING(flags & ALLOC_INITIAL));
if (!pI830->StolenOnly &&
(!xf86AgpGARTSupported() || !xf86AcquireGART(pScrn->scrnIndex))) {
if (!dryrun) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
"AGP GART support is either not available or cannot "
"be used.\n"
"\tMake sure your kernel has agpgart support or has the\n"
"\tagpgart module loaded.\n");
}
return FALSE;
}
/*
* The I830 is slightly different from the I830/I815, it has no
* dcache and it has stolen memory by default in its gtt. All
* additional memory must go after it.
*/
DPRINTF(PFX,
"size == %luk (%lu bytes == pScrn->videoRam)\n"
"pI830->StolenSize == %luk (%lu bytes)\n",
pScrn->videoRam, pScrn->videoRam * 1024,
pI830->StolenPool.Free.Size / 1024,
pI830->StolenPool.Free.Size);
if (flags & ALLOC_INITIAL) {
unsigned long minspace, avail, lineSize;
int cacheLines, maxCacheLines;
if (pI830->NeedRingBufferLow)
AllocateRingBuffer(pScrn, flags | FORCE_LOW);
/* Clear everything first. */
memset(&(pI830->FbMemBox), 0, sizeof(pI830->FbMemBox));
memset(&(pI830->FrontBuffer), 0, sizeof(pI830->FrontBuffer));
pI830->FrontBuffer.Key = -1;
pI830->FbMemBox.x1 = 0;
pI830->FbMemBox.x2 = pScrn->displayWidth;
pI830->FbMemBox.y1 = 0;
pI830->FbMemBox.y2 = pScrn->virtualY;
/*
* Calculate how much framebuffer memory to allocate. For the
* initial allocation, calculate a reasonable minimum. This is
* enough for the virtual screen size, plus some pixmap cache
* space.
*/
lineSize = pScrn->displayWidth * pI830->cpp;
minspace = lineSize * pScrn->virtualY;
avail = pScrn->videoRam * 1024;
maxCacheLines = (avail - minspace) / lineSize;
/* This shouldn't happen. */
if (maxCacheLines < 0) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
"Internal Error: "
"maxCacheLines < 0 in I830Allocate2DMemory()\n");
maxCacheLines = 0;
}
if (maxCacheLines > (MAX_DISPLAY_HEIGHT - pScrn->virtualY))
maxCacheLines = MAX_DISPLAY_HEIGHT - pScrn->virtualY;
if (pI830->CacheLines >= 0) {
cacheLines = pI830->CacheLines;
} else {
#if 1
/* Make sure there is enough for two DVD sized YUV buffers */
cacheLines = (pScrn->depth == 24) ? 256 : 384;
if (pScrn->displayWidth <= 1024)
cacheLines *= 2;
#else
/*
* Make sure there is enough for two DVD sized YUV buffers.
* Make that 1.5MB, which is around what was allocated with
* the old algorithm
*/
cacheLines = (MB(1) + KB(512)) / pI830->cpp / pScrn->displayWidth;
#endif
}
if (cacheLines > maxCacheLines)
cacheLines = maxCacheLines;
pI830->FbMemBox.y2 += cacheLines;
xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, verbosity,
"%sAllocating at least %d scanlines for pixmap cache\n",
s, cacheLines);
tileable = !(flags & ALLOC_NO_TILING) && pI830->allowPageFlip &&
IsTileable(pScrn->displayWidth * pI830->cpp);
if (tileable) {
align = KB(512);
alignflags = ALIGN_BOTH_ENDS;
} else {
align = KB(64);
alignflags = 0;
}
size = lineSize * (pScrn->virtualY + cacheLines);
size = ROUND_TO_PAGE(size);
xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, verbosity,
"%sInitial framebuffer allocation size: %d kByte\n", s,
size / 1024);
alloced = I830AllocVidMem(pScrn, &(pI830->FrontBuffer),
&(pI830->StolenPool), size, align,
flags | alignflags |
FROM_ANYWHERE | ALLOCATE_AT_BOTTOM);
if (alloced < size) {
if (!dryrun) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
"Failed to allocate framebuffer.\n");
}
return FALSE;
}
} else {
unsigned long lineSize;
unsigned long extra = 0;
unsigned long maxFb = 0;
/*
* XXX Need to "free" up any 3D allocations if the DRI ended up
* and make them available for 2D. The best way to do this would
* be position all of those regions contiguously at the end of the
* StolenPool.
*/
extra = GetFreeSpace(pScrn);
if (extra == 0)
return TRUE;
maxFb = pI830->FrontBuffer.Size + extra;
lineSize = pScrn->displayWidth * pI830->cpp;
maxFb = ROUND_DOWN_TO(maxFb, lineSize);
if (maxFb > lineSize * MAX_DISPLAY_HEIGHT)
maxFb = lineSize * MAX_DISPLAY_HEIGHT;
if (maxFb > pI830->FrontBuffer.Size) {
unsigned long oldsize;
/*
* Sanity check -- the fb should be the last thing allocated at
* the bottom of the stolen pool.
*/
if (pI830->StolenPool.Free.Start != pI830->FrontBuffer.End) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
"Internal error in I830Allocate2DMemory():\n\t"
"Framebuffer isn't the last allocation at the bottom"
" of StolenPool\n\t(%x != %x).\n",
pI830->FrontBuffer.End,
pI830->StolenPool.Free.Start);
return FALSE;
}
/*
* XXX Maybe should have a "Free" function. This should be
* the only place where a region is resized, and we know that
* the fb is always at the bottom of the aperture/stolen pool,
* and is the only region that is allocated bottom-up.
* Allowing for more general realloction would require a smarter
* allocation system.
*/
oldsize = pI830->FrontBuffer.Size;
pI830->StolenPool.Free.Size += pI830->FrontBuffer.Size;
pI830->StolenPool.Free.Start -= pI830->FrontBuffer.Size;
xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, verbosity,
"%sUpdated framebuffer allocation size from %d "
"to %d kByte\n", s, oldsize / 1024, maxFb / 1024);
xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, verbosity,
"%sUpdated pixmap cache from %d scanlines to %d "
"scanlines\n", s,
oldsize / lineSize - pScrn->virtualY,
maxFb / lineSize - pScrn->virtualY);
pI830->FbMemBox.y2 = maxFb / lineSize;
tileable = !(flags & ALLOC_NO_TILING) && pI830->allowPageFlip &&
IsTileable(pScrn->displayWidth * pI830->cpp);
if (tileable) {
align = KB(512);
alignflags = ALIGN_BOTH_ENDS;
} else {
align = KB(64);
alignflags = 0;
}
alloced = I830AllocVidMem(pScrn, &(pI830->FrontBuffer),
&(pI830->StolenPool), maxFb, align,
flags | alignflags |
FROM_ANYWHERE | ALLOCATE_AT_BOTTOM);
if (alloced < maxFb) {
if (!dryrun) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
"Failed to re-allocate framebuffer\n");
}
return FALSE;
}
}
return TRUE;
}
#if REMAP_RESERVED
/*
* Allocate a dummy page to pass when attempting to rebind the
* pre-allocated region.
*/
if (!dryrun) {
memset(&(pI830->Dummy), 0, sizeof(pI830->Dummy));
pI830->Dummy.Key =
xf86AllocateGARTMemory(pScrn->scrnIndex, size, 0, NULL);
pI830->Dummy.Offset = 0;
}
#endif
/* Clear cursor info */
memset(&(pI830->CursorMem), 0, sizeof(pI830->CursorMem));
pI830->CursorMem.Key = -1;
if (!pI830->SWCursor) {
int cursFlags = 0;
/*
* Mouse cursor -- The i810-i830 need a physical address in system
* memory from which to upload the cursor. We get this from
* the agpgart module using a special memory type.
*/
size = HWCURSOR_SIZE;
cursFlags = FROM_ANYWHERE | ALLOCATE_AT_TOP;
if (pI830->CursorNeedsPhysical)
cursFlags |= NEED_PHYSICAL_ADDR;
alloced = I830AllocVidMem(pScrn, &(pI830->CursorMem),
&(pI830->StolenPool), size,
GTT_PAGE_SIZE, flags | cursFlags);
if (alloced < size) {
if (!dryrun) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
"Failed to allocate HW cursor space.\n");
}
} else {
xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, verbosity,
"%sAllocated %d kB for HW cursor at 0x%x", s,
alloced / 1024, pI830->CursorMem.Start);
if (pI830->CursorNeedsPhysical)
xf86ErrorFVerb(verbosity, " (0x%08x)", pI830->CursorMem.Physical);
xf86ErrorFVerb(verbosity, "\n");
}
}
#ifdef I830_XV
AllocateOverlay(pScrn, flags);
#endif
if (!pI830->NeedRingBufferLow)
AllocateRingBuffer(pScrn, flags);
/* Clear scratch info */
memset(&(pI830->Scratch), 0, sizeof(pI830->Scratch));
pI830->Scratch.Key = -1;
if (!pI830->noAccel) {
size = MAX_SCRATCH_BUFFER_SIZE;
alloced = I830AllocVidMem(pScrn, &(pI830->Scratch), &(pI830->StolenPool),
size, GTT_PAGE_SIZE,
flags | FROM_ANYWHERE | ALLOCATE_AT_TOP);
if (alloced < size) {
size = MIN_SCRATCH_BUFFER_SIZE;
alloced = I830AllocVidMem(pScrn, &(pI830->Scratch),
&(pI830->StolenPool), size,
GTT_PAGE_SIZE,
flags | FROM_ANYWHERE | ALLOCATE_AT_TOP);
}
if (alloced < size) {
if (!dryrun) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
"Failed to allocate scratch buffer space\n");
}
return FALSE;
}
xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, verbosity,
"%sAllocated %d kB for the scratch buffer at 0x%x\n", s,
alloced / 1024, pI830->Scratch.Start);
}
return TRUE;
}
int far pascal FS_MOUNT(unsigned short usFlag, /* flag */
struct vpfsi far * pvpfsi, /* pvpfsi */
struct vpfsd far * pvpfsd, /* pvpfsd */
unsigned short hVBP, /* hVPB */
char far * pBoot /* pBoot */)
{
PBOOTSECT pSect;
PVOLINFO pVolInfo;
PVOLINFO pNext;
USHORT usVolCount;
USHORT hDupVBP;
USHORT rc;
P_DriverCaps pDevCaps;
P_VolChars pVolChars;
if (f32Parms.fMessageActive & LOG_FS)
Message("FS_MOUNT for %c (%d):, flag = %d",
pvpfsi->vpi_drive + 'A',
pvpfsi->vpi_unit,
usFlag);
switch (usFlag)
{
case MOUNT_MOUNT :
if (FSH_FINDDUPHVPB(hVBP, &hDupVBP))
hDupVBP = 0;
pSect = (PBOOTSECT)pBoot;
if (memicmp(pSect->FileSystem, "FAT32", 5))
{
rc = ERROR_VOLUME_NOT_MOUNTED;
goto FS_MOUNT_EXIT;
}
if (pSect->bpb.BytesPerSector != SECTOR_SIZE)
{
rc = ERROR_VOLUME_NOT_MOUNTED;
goto FS_MOUNT_EXIT;
}
pvpfsi->vpi_vid = pSect->ulVolSerial;
pvpfsi->vpi_bsize = pSect->bpb.BytesPerSector;
pvpfsi->vpi_totsec = pSect->bpb.BigTotalSectors;
pvpfsi->vpi_trksec = pSect->bpb.SectorsPerTrack;
pvpfsi->vpi_nhead = pSect->bpb.Heads;
memset(pvpfsi->vpi_text, 0, sizeof pvpfsi->vpi_text);
memcpy(pvpfsi->vpi_text, pSect->VolumeLabel, sizeof pSect->VolumeLabel);
pVolInfo = gdtAlloc(STORAGE_NEEDED, FALSE);
if (!pVolInfo)
{
rc = ERROR_NOT_ENOUGH_MEMORY;
goto FS_MOUNT_EXIT;
}
rc = FSH_FORCENOSWAP(SELECTOROF(pVolInfo));
if (rc)
FatalMessage("FSH_FORCENOSWAP on VOLINFO Segment failed, rc=%u", rc);
memset(pVolInfo, 0, (size_t)STORAGE_NEEDED);
InitCache(ulCacheSectors);
memcpy(&pVolInfo->BootSect, pSect, sizeof (BOOTSECT));
pVolInfo->ulActiveFatStart = pSect->bpb.ReservedSectors;
if (pSect->bpb.ExtFlags & 0x0080)
pVolInfo->ulActiveFatStart +=
pSect->bpb.BigSectorsPerFat * (pSect->bpb.ExtFlags & 0x000F);
pVolInfo->ulStartOfData = pSect->bpb.ReservedSectors +
pSect->bpb.BigSectorsPerFat * pSect->bpb.NumberOfFATs;
pVolInfo->pBootFSInfo = (PBOOTFSINFO)(pVolInfo + 1);
pVolInfo->pbFatSector = (PBYTE)(pVolInfo->pBootFSInfo + 1);
pVolInfo->ulCurFatSector = -1L;
pVolInfo->usClusterSize = pSect->bpb.BytesPerSector * pSect->bpb.SectorsPerCluster;
pVolInfo->ulTotalClusters = (pSect->bpb.BigTotalSectors - pVolInfo->ulStartOfData) / pSect->bpb.SectorsPerCluster;
pVolInfo->hVBP = hVBP;
pVolInfo->hDupVBP = hDupVBP;
pVolInfo->bDrive = pvpfsi->vpi_drive;
pVolInfo->bUnit = pvpfsi->vpi_unit;
pVolInfo->pNextVolInfo = NULL;
if (usDefaultRASectors == 0xFFFF)
pVolInfo->usRASectors = (pVolInfo->usClusterSize * 2) / SECTOR_SIZE;
else
pVolInfo->usRASectors = usDefaultRASectors;
if (pVolInfo->usRASectors > (pVolInfo->usClusterSize * 4) / SECTOR_SIZE)
pVolInfo->usRASectors = (pVolInfo->usClusterSize * 4) / SECTOR_SIZE;
if (pSect->bpb.FSinfoSec != 0xFFFF)
{
ReadSector(pVolInfo, pSect->bpb.FSinfoSec, 1, pVolInfo->pbFatSector, DVIO_OPNCACHE);
memcpy(pVolInfo->pBootFSInfo, pVolInfo->pbFatSector + FSINFO_OFFSET, sizeof (BOOTFSINFO));
}
else
memset(pVolInfo->pBootFSInfo, 0, sizeof (BOOTFSINFO));
*((PVOLINFO *)(pvpfsd->vpd_work)) = pVolInfo;
if (!pGlobVolInfo)
{
pGlobVolInfo = pVolInfo;
usVolCount = 1;
}
else
{
pNext = pGlobVolInfo;
usVolCount = 1;
if (pNext->bDrive == pvpfsi->vpi_drive && !pVolInfo->hDupVBP)
pVolInfo->hDupVBP = pNext->hVBP;
while (pNext->pNextVolInfo)
{
pNext = (PVOLINFO)pNext->pNextVolInfo;
if (pNext->bDrive == pvpfsi->vpi_drive && !pVolInfo->hDupVBP)
pVolInfo->hDupVBP = pNext->hVBP;
usVolCount++;
}
pNext->pNextVolInfo = pVolInfo;
usVolCount++;
}
if (f32Parms.fMessageActive & LOG_FS)
Message("%u Volumes mounted!", usVolCount);
rc = CheckWriteProtect(pVolInfo);
if (rc && rc != ERROR_WRITE_PROTECT)
{
Message("Cannot access drive, rc = %u", rc);
goto FS_MOUNT_EXIT;
}
if (rc == ERROR_WRITE_PROTECT)
pVolInfo->fWriteProtected = TRUE;
pVolInfo->fDiskCleanOnMount = pVolInfo->fDiskClean = GetDiskStatus(pVolInfo);
if (!pVolInfo->fDiskCleanOnMount)
Message("DISK IS DIRTY!");
if (pVolInfo->fWriteProtected)
pVolInfo->fDiskCleanOnMount = TRUE;
if (!pVolInfo->hDupVBP &&
(pVolInfo->pBootFSInfo->ulFreeClusters == 0xFFFFFFFF ||
!pVolInfo->fDiskClean ||
pVolInfo->BootSect.bpb.FSinfoSec == 0xFFFF))
GetFreeSpace(pVolInfo);
pDevCaps = pvpfsi->vpi_pDCS;
pVolChars = pvpfsi->vpi_pVCS;
if (pDevCaps->Capabilities & GDC_DD_Read2)
Message("Read2 supported");
if (pDevCaps->Capabilities & GDC_DD_DMA_Word)
Message("DMA on word alligned buffers supported");
if (pDevCaps->Capabilities & GDC_DD_DMA_Byte)
Message("DMA on byte alligned buffers supported");
if (pDevCaps->Capabilities & GDC_DD_Mirror)
Message("Disk Mirroring supported");
if (pDevCaps->Capabilities & GDC_DD_Duplex)
Message("Disk Duplexing supported");
if (pDevCaps->Capabilities & GDC_DD_No_Block)
Message("Strategy2 does not block");
if (pDevCaps->Capabilities & GDC_DD_16M)
Message(">16M supported");
if (pDevCaps->Strategy2)
{
Message("Strategy2 address at %lX", pDevCaps->Strategy2);
Message("ChgPriority address at %lX", pDevCaps->ChgPriority);
pVolInfo->pfnStrategy = (STRATFUNC)pDevCaps->Strategy2;
pVolInfo->pfnPriority = (STRATFUNC)pDevCaps->ChgPriority;
}
rc = 0;
break;
case MOUNT_VOL_REMOVED:
case MOUNT_RELEASE:
pVolInfo = GetVolInfo(hVBP);
if (!pVolInfo->hDupVBP)
UpdateFSInfo(pVolInfo);
RemoveVolume(pVolInfo);
freeseg(pVolInfo);
rc = 0;
break;
default :
rc = ERROR_NOT_SUPPORTED;
break;
}
FS_MOUNT_EXIT:
if (f32Parms.fMessageActive & LOG_FS)
Message("FS_MOUNT returned %u\n", rc);
return rc;
}
long FAR PASCAL _export WndProc (HWND hwnd,
UINT message,
UINT wParam,
LONG lParam)
{
static DWORD dwFreeMem,dwPrevMem;
static RECT rect;
char cBuffer[STRINGBUF_SZ];
HDC hdc;
PAINTSTRUCT ps;
// TRACE_STR("ENTER WndProc");
switch(message)
{
case WM_TIMER :
{
// MessageBeep(0);
dwFreeMem = GetFreeSpace(0);
if (dwFreeMem != dwPrevMem)
{
InvalidateRect(hwnd,NULL,TRUE);
dwPrevMem = dwFreeMem;
}
return 0;
}
case WM_SIZE :
{
GetClientRect(hwnd,&rect);
return 0;
}
case WM_PAINT :
{
hdc = BeginPaint(hwnd,&ps);
DrawText(hdc,
cBuffer,
sprintf(cBuffer,
"%.2f megs",
dwFreeMem / 1024.0 / 1024.0),
&rect,
DT_WORDBREAK);
EndPaint(hwnd,&ps);
return 0;
}
case WM_QUERYOPEN:
// throw away any requests to maximize us when we are icon-ized
return 0;
case WM_DESTROY :
{
// insert a WM_QUIT in the queue...
KillTimer (hwnd, ID_TIMER);
TRACE_STR("WM_DESTROY..");
PostQuitMessage (0);
TRACE_STR("EXIT WndProc");
return 0;
}
}//switch
// TRACE_STR("EXIT WndProc");
// *********************extremely important!!! ******************
// ** extremely important!!! **
// ** extremely important!!! **
return DefWindowProc (hwnd, message, wParam, lParam);
// ** extremely important!!! **
// ** extremely important!!! **
// *********************extremely important!!! ******************
} //WndProc
/*
* AboutProc - callback routine for settings dialog
*/
WINEXPORT INT_PTR CALLBACK AboutProc( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
{
char buff[256];
LPABOUTINFO pai;
lparam = lparam;
switch( msg ) {
case WM_INITDIALOG:
pai = (LPABOUTINFO)lparam;
if( pai->title != NULL ) {
SetWindowText( hwnd, pai->title );
}
if( pai->name != NULL ) {
sprintf( buff, banner1p1( "%s" ), pai->name );
SetDlgItemText( hwnd, ABOUT_NAME, buff );
}
if( pai->version != NULL ) {
SetDlgItemText( hwnd, ABOUT_VERSION, pai->version );
}
if( pai->first_cr_year != NULL ) {
#if defined( __WATCOMC__) && !defined( __ALPHA__ )
if( _fstrcmp( pai->first_cr_year, CURR_YEAR ) ) {
#else
if( strcmp( pai->first_cr_year, CURR_YEAR ) ) {
#endif
sprintf( buff, banner2a( "%s" ), pai->first_cr_year );
} else {
strcpy( buff, banner2a( "1984" ) );
}
SetDlgItemText( hwnd, ABOUT_COPYRIGHT, buff );
}
#if defined( __WINDOWS__ ) || defined( __WINDOWS_386__ )
{
DWORD flags;
DWORD kfree;
WORD pcfree;
SYSHEAPINFO shi;
char work[16];
char info[50];
flags = GetWinFlags();
if( flags & WF_ENHANCED ) {
CopyRCString( ABT_386_ENH, info, sizeof( info ) );
} else {
CopyRCString( ABT_STD_MODE, info, sizeof( info ) );
}
SetDlgItemText( hwnd, ABOUT_INFO1, info );
kfree = GetFreeSpace( 0 ) / 1024L;
ltoa( kfree, work, 10 );
RCsprintf( buff, ABT_MEM_X_KB_FREE, (LPSTR)work );
SetDlgItemText( hwnd, ABOUT_INFO2, buff );
shi.dwSize = sizeof( shi );
if( SystemHeapInfo( &shi ) ) {
pcfree = shi.wGDIFreePercent;
if( pcfree > shi.wUserFreePercent )
pcfree = shi.wUserFreePercent;
RCsprintf( buff, ABT_SYS_RESOURCES_FREE, pcfree );
} else {
CopyRCString( ABT_SYS_RESOURCES_N_A, buff, sizeof( buff ) );
}
SetDlgItemText( hwnd, ABOUT_INFO3, buff );
}
#else
{
SYSTEM_INFO si;
MEMORYSTATUS ms;
GetSystemInfo( &si );
switch( si.dwProcessorType ) {
case PROCESSOR_INTEL_386:
CopyRCString( ABT_RUNNING_ON_386, buff, sizeof( buff ) );
break;
case PROCESSOR_INTEL_486:
CopyRCString( ABT_RUNNING_ON_486, buff, sizeof( buff ) );
break;
case PROCESSOR_INTEL_PENTIUM:
CopyRCString( ABT_RUNNING_ON_586, buff, sizeof( buff ) );
break;
case PROCESSOR_MIPS_R4000:
case PROCESSOR_ALPHA_21064:
default:
buff[0] = '\0';
break;
}
SetDlgItemText( hwnd, ABOUT_INFO1, buff );
ms.dwLength = sizeof( ms );
GlobalMemoryStatus( &ms );
RCsprintf( buff, ABT_VIRT_MEM,
(ms.dwAvailPhys + ms.dwAvailPageFile) / 1024L );
SetDlgItemText( hwnd, ABOUT_INFO2, buff );
RCsprintf( buff, ABT_MEM_LOAD, ms.dwMemoryLoad );
SetDlgItemText( hwnd, ABOUT_INFO3, buff );
}
#endif
return( TRUE );
#ifndef NOUSE3D
case WM_SYSCOLORCHANGE:
CvrCtl3dColorChange();
break;
#endif
case WM_CLOSE:
EndDialog( hwnd, 0 );
break;
case WM_COMMAND:
switch( LOWORD( wparam ) ) {
case IDOK:
case IDCANCEL:
EndDialog( hwnd, 0 );
break;
}
}
return( FALSE );
} /* AboutProc */
/*
* DoAbout - show the startup dialog
*/
void DoAbout( LPABOUTINFO ai )
{
FARPROC proc;
proc = MakeDlgProcInstance( AboutProc, ai->inst );
DialogBoxParam( ai->inst, "About", ai->owner, (DLGPROC)proc, (LPARAM)ai );
FreeProcInstance( proc );
} /* DoAbout */
long ramfree(void)
{
return GetFreeSpace(NULL);
}
bool cByteBuffer::CanWriteBytes(int a_Count) const
{
CHECK_THREAD;
CheckValid();
return (a_Count <= GetFreeSpace());
}
/// Returns the number of bytes that are currently in the ringbuffer. Note GetReadableBytes()
int cByteBuffer::GetUsedSpace(void) const
{
CHECK_THREAD;
CheckValid();
return m_BufferSize - GetFreeSpace();
}
/*
* How much memory is available?
*/
long_u
mch_avail_mem(
int special)
{
return GetFreeSpace(0);
}
DWORD AvailableMemory( void )
/************************************************************************/
{
return( GetFreeSpace(0) );
}
