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Track when PilotMain is called reentrantly (as when beaming via

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ExgMgr) and don't unload pnolet when exiting inner invocation.  Also
remove printfs no longer needed.
This commit is contained in:
ehouse 2004-10-02 03:49:55 +00:00
parent 1586797fef
commit 6344be1b75
1 changed files with 22 additions and 26 deletions
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48
xwords4/palm/enter68k.c
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@ -57,21 +57,20 @@ void
storageCallback( void/*PnoletUserData*/* _dataP )
{
PnoletUserData* dataP = (PnoletUserData*)_dataP;
char buf[48];
UInt32 offset;
PNOFtrHeader* ftrBase;
StrPrintF( buf, "storageCallback(%lx)", dataP );
WinDrawChars( buf, StrLen(buf), 5, 40 );
StrPrintF( buf, "src=%lx; dest=%lx", dataP->stateSrc, dataP->stateDest );
WinDrawChars( buf, StrLen(buf), 5, 50 );
if ( dataP->recursive ) {
WinDrawChars( "ERROR: overwriting", 13, 5, 60 );
#ifdef DEBUG
for ( ; ; ); /* make sure we see it. :-) */
#endif
}
ftrBase = (PNOFtrHeader*)dataP->pnoletEntry;
--ftrBase; /* back up over header */
offset = (char*)dataP->stateDest - (char*)ftrBase;
DmWrite( ftrBase, offset, dataP->stateSrc, sizeof(PNOState) );
WinDrawChars( "callback done", 13, 5, 60 );
}
static void
@ -103,14 +102,18 @@ countOrLoadPNOCs( UInt32* pnoSizeP, UInt8* base, UInt32 offset )
}
} /* countOrLoadPNOCs */
static void
/* Return true if we had to load the pnolet. If we didn't, then we're being
* called recursively (probably because of ExgMgr activity); in that case the
* caller better not unload!
*/
static Boolean
setupPnolet( UInt32** entryP, UInt32** gotTableP )
{
char buf[64];
PNOFtrHeader* ftrBase;
Err err = FtrGet( APPID, PNOLET_STORE_FEATURE, (UInt32*)&ftrBase );
XP_Bool mustLoad = err != errNone;
if ( err != errNone ) {
if ( mustLoad ) {
UInt32* gotTable;
UInt32 pnoSize, gotSize, pad;
UInt32 ftrSize = sizeof( PNOFtrHeader );
@ -139,10 +142,6 @@ setupPnolet( UInt32** entryP, UInt32** gotTableP )
FtrPtrNew( APPID, PNOLET_STORE_FEATURE, ftrSize, (void**)&ftrBase );
pnoCode = (UInt32*)&ftrBase[1];
StrPrintF( buf, "code ends at 0x%lx",
((char*)ftrBase) + ftrSize );
WinDrawChars( buf, StrLen(buf), 5, 10 );
countOrLoadPNOCs( NULL, (UInt8*)ftrBase, sizeof(PNOFtrHeader) );
if ( gotSize > 0 ) {
@ -166,8 +165,7 @@ setupPnolet( UInt32** entryP, UInt32** gotTableP )
*gotTableP = ftrBase->gotTable;
*entryP = (UInt32*)&ftrBase[1];
StrPrintF( buf, "got at 0x%lx", *gotTableP );
WinDrawChars( buf, StrLen(buf), 5, 20 );
return mustLoad;
} /* setupPnolet */
static Boolean
@ -206,15 +204,15 @@ PilotMain( UInt16 cmd, MemPtr cmdPBP, UInt16 launchFlags)
it unless the user's said not to. */
if ( shouldRunPnolet() ) {
char buf[64];
UInt32* gotTable;
PnoletUserData* dataP;
UInt32* pnoCode;
UInt32 result;
setupPnolet( &pnoCode, &gotTable );
Boolean loaded = setupPnolet( &pnoCode, &gotTable );
dataP = (PnoletUserData*)MemPtrNew( sizeof(PnoletUserData) );
dataP->recursive = !loaded;
dataP->pnoletEntry = pnoCode;
dataP->gotTable = gotTable;
dataP->storageCallback = storageCallback;
@ -223,21 +221,19 @@ PilotMain( UInt16 cmd, MemPtr cmdPBP, UInt16 launchFlags)
dataP->cmd = cmd;
dataP->launchFlags = launchFlags;
StrPrintF( buf, "armlet starts at 0x%lx", pnoCode );
WinDrawChars( buf, StrLen(buf), 5, 30 );
result = PceNativeCall((NativeFuncType*)pnoCode, (void*)dataP );
MemPtrFree( dataP );
/* Might want to hang onto this, though it's a bit selfish.... */
FtrPtrFree( APPID, PNOLET_STORE_FEATURE );
if ( loaded ) {
FtrPtrFree( APPID, PNOLET_STORE_FEATURE );
}
} else {
#ifdef FEATURE_PNOAND68K
result = PM2(PilotMain)( cmd, cmdPBP, launchFlags);
#else
(void)FrmCustomAlert( XW_ERROR_ALERT_ID,
"Arm-only Crosswords won't run on this device",
" ", " " );
"Arm-only Crosswords won't run on this "
"device", " ", " " );
#endif
}
}