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handle LstSetDrawFunction manually

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This commit is contained in:
ehouse 2004-10-01 01:35:22 +00:00
parent 2c63a52de1
commit a9e4fb8125
2 changed files with 104 additions and 4 deletions
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102
palm/pace_man.c
View file

@ -612,7 +612,7 @@ EvtAddEventToQueue( const EventType* event )
} /* EvtAddEventToQueue */
void
flipRect( RectangleType* rout, RectangleType* rin )
flipRect( RectangleType* rout, const RectangleType* rin )
{
rout->topLeft.x = Byte_Swap16(rin->topLeft.x);
rout->topLeft.y = Byte_Swap16(rin->topLeft.y);
@ -739,7 +739,7 @@ params68KtoParamsArm( SysNotifyParamType* paramsArm,
case sysNotifyVolumeUnmountedEvent:
case sysNotifyVolumeMountedEvent:
break;
#ifdef FEATURE_HIGHRES
#ifdef FEATURE_SILK
case sysNotifyDisplayChangeEvent:
break;
#endif
@ -858,3 +858,101 @@ SysNotifyRegister( UInt16 cardNo, LocalID dbID, UInt32 notifyType,
EMIT_NAME("SysNotifyRegister","'S','y','s','N','o','t','i','f','y','R','e','g','i','s','t','e','r'");
return result;
} /* SysNotifyRegister */
unsigned long
listDrawEntryPoint( const void* emulStateP,
void* userData68KP,
Call68KFuncType* call68KFuncP )
{
unsigned long* data = (unsigned long*)userData68KP;
ListDrawDataFuncPtr listDrawProc
= (ListDrawDataFuncPtr)read_unaligned32( (unsigned long*)&data[0] );
PNOState* state = getStorageLoc();
unsigned long oldR10;
Int16 index;
RectanglePtr bounds;
char** itemsText;
/* set up stack here too? */
asm( "mov %0, r10" : "=r" (oldR10) );
asm( "mov r10, %0" : : "r" (state->gotTable) );
XP_ASSERT( emulStateP == state->emulStateP );
XP_ASSERT( call68KFuncP == state->call68KFuncP );
index = (Int16)read_unaligned32( &data[1] );
bounds = (RectanglePtr)read_unaligned32( &data[2] );
itemsText = (char**)read_unaligned32( &data[3] );
(*listDrawProc)( index, bounds, itemsText );
asm( "mov r10, %0" : : "r" (oldR10) );
return 0L; /* no result to return */
} /* listDrawEntryPoint */
static unsigned char*
makeListDrawStub( ListDrawDataFuncPtr func )
{
/* called function looks like this:
void listDrawFunc(Int16 index, RectanglePtr bounds, char** itemsText)
{
unsigned long data[] = { func, index,
bounds, itemsText };
return (Err)PceNativeCall( listDrawEntryPoint, (void*)data );
}
*/
unsigned char* stub;
unsigned char code_68k[] = {
/* 0:*/ 0x4e, 0x56, 0xff, 0xf0, // linkw %fp,#-16
/* 4:*/ 0x30, 0x2e, 0x00, 0x08, // movew %fp@(8),%d0
/* 8:*/ 0x22, 0x2e, 0x00, 0x0a, // movel %fp@(10),%d1
/* c:*/ 0x24, 0x2e, 0x00, 0x0e, // movel %fp@(14),%d2
/*10:*/ 0x2d, 0x7c, 0x11, 0x22,0x33,0x44,// movel #287454020,%fp@(-16)
/*16:*/ 0xff, 0xf0,
/*18:*/ 0x30, 0x40, // moveaw %d0,%a0
/*1a:*/ 0x2d, 0x48, 0xff, 0xf4, // movel %a0,%fp@(-12)
/*1e:*/ 0x2d, 0x41, 0xff, 0xf8, // movel %d1,%fp@(-8)
/*22:*/ 0x2d, 0x42, 0xff, 0xfc, // movel %d2,%fp@(-4)
/*26:*/ 0x48, 0x6e, 0xff, 0xf0, // pea %fp@(-16)
/*2a:*/ 0x2f, 0x3c, 0x55, 0x66, 0x77, 0x88, // movel #1432778632,%sp@-
/*30:*/ 0x4e, 0x4f, // trap #15
/*32:*/ 0xa4, 0x5a, // 0122132
/*34:*/ 0x4e, 0x5e, // unlk %fp
/*36:*/ 0x4e, 0x75 // rts
};
stub = MemPtrNew( sizeof(code_68k) );
memcpy( stub, code_68k, sizeof(code_68k) );
write_unaligned32( &stub[0x12],
/* replace 0x11223344 */
(unsigned long)func );
write_unaligned32( &stub[0x2c],
/* replace 0x55667788 */
(unsigned long)listDrawEntryPoint );
return (unsigned char*)stub;
} /* makeListDrawStub */
/* from file List.h */
void
LstSetDrawFunction( ListType* listP, ListDrawDataFuncPtr func )
{
FUNC_HEADER(LstSetDrawFunction);
/* var decls */
/* swapIns */
{
PNOState* sp = GET_CALLBACK_STATE();
unsigned char* stub = makeListDrawStub( func );
STACK_START(unsigned char, stack, 8);
/* pushes */
ADD_TO_STACK4(stack, listP, 0);
ADD_TO_STACK4(stack, stub, 4);
STACK_END(stack);
(*sp->call68KFuncP)( sp->emulStateP,
PceNativeTrapNo(sysTrapLstSetDrawFunction),
stack, 8 );
/* swapOuts */
}
FUNC_TAIL(LstSetDrawFunction);
EMIT_NAME("LstSetDrawFunction","'L','s','t','S','e','t','D','r','a','w','F','u','n','c','t','i','o','n'");
} /* LstSetDrawFunction */

6
palm/pace_man.h
View file

@ -47,6 +47,7 @@ extern void LstSetListChoices( ListType* listP, Char** itemsText,
extern Err SysNotifyRegister( UInt16 cardNo, LocalID dbID,
UInt32 notifyType, SysNotifyProcPtr callbackP,
Int8 priority, void* userDataP );
extern void LstSetDrawFunction( ListType* listP, ListDrawDataFuncPtr func );
#if 0
# define FUNC_HEADER(n) XP_LOGF( #n " called" )
@ -75,7 +76,7 @@ extern Err SysNotifyRegister( UInt16 cardNo, LocalID dbID,
#define SET_SEL_REG(trap, sp) ((unsigned long*)((sp)->emulStateP))[3] = (trap)
void flipRect( RectangleType* rout, RectangleType* rin );
void flipRect( RectangleType* rout, const RectangleType* rin );
#define SWAP_RECTANGLETYPE_ARM_TO_68K( dp, sp ) flipRect( (dp), (sp) )
#define SWAP_RECTANGLETYPE_68K_TO_ARM SWAP_RECTANGLETYPE_ARM_TO_68K
@ -88,7 +89,8 @@ void flipEngSocketToArm( ExgSocketType* out, const unsigned char* sin );
#define SWAP_EXGSOCKETTYPE_68K_TO_ARM( dp, sp ) flipEngSocketToArm( (dp), (sp) )
void flipFileInfoFromArm( unsigned char* fiout, const FileInfoType* fiin );
#define SWAP_FILEINFOTYPE_ARM_TO_68K( dp, sp ) flipFileInfoFromArm( (dp), (sp) )
#define SWAP_FILEINFOTYPE_ARM_TO_68K( dp, sp ) \
flipFileInfoFromArm( (unsigned char*)(dp), (sp) )
void flipFileInfotoArm( FileInfoType* fout, const unsigned char* fin );
#define SWAP_FILEINFOTYPE_68K_TO_ARM( dp, sp ) flipFileInfoToArm( (dp), (sp) )