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Ease 68K/ARM communication

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svn-id: r19042
This commit is contained in:
Chris Apers 2005-10-12 20:17:13 +00:00
parent 89e27f5edc
commit 625520882c
2 changed files with 50 additions and 7 deletions
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48
backends/PalmOS/Src/args.cpp
View File

@ -1,9 +1,19 @@
#include <PalmOS.h>
#include "palmdefs.h"
#include "args.h"
#include "pace.h"
Char **ArgsInit() {
MemHandle argvH = MemHandleNew(MAX_ARG * sizeof(Char *));
Char **argvP = (Char **)MemHandleLock(argvH);
// first 4 bytes keep the real address of the chunk
MemHandle argvH = MemHandleNew(sizeof(Char *) + (MAX_ARG * sizeof(Char **) + 2));
// real addr
Char *lockP = (Char *)MemHandleLock(argvH);
// 4byte aligned
Char **argvP = (Char **)ALIGN_4BYTE(lockP);
// save real addr
argvP[0] = lockP;
// initial position
argvP++;
for(UInt8 count = 0; count < MAX_ARG; count++)
argvP[count] = NULL;
@ -45,7 +55,8 @@ void ArgsFree(Char **argvP) {
MemHandleFree(oldH);
}
oldH = MemPtrRecoverHandle(argvP);
argvP--;
oldH = MemPtrRecoverHandle(argvP[0]);
MemHandleUnlock(oldH);
MemHandleFree(oldH);
}
@ -60,10 +71,35 @@ void ArgsSetOwner(Char **argvP, UInt16 owner) {
if (argvP[count]) {
oldH = MemPtrRecoverHandle(argvP[count]);
MemHandleSetOwner(oldH, owner);
// MemPtrSetOwner(argvP[count], 0);
}
oldH = MemPtrRecoverHandle(argvP);
argvP--;
oldH = MemPtrRecoverHandle(argvP[0]);
MemHandleSetOwner(oldH, owner);
// MemPtrSetOwner(argvP, 0);
}
void ArgsExportInit(Char **argvP, UInt32 countArg, Boolean arm) {
if (arm) {
for(UInt8 count = 0; count < MAX_ARG; count++)
if (argvP[count])
argvP[count] = (Char *)ByteSwap32(argvP[count]);
}
FtrSet(appFileCreator, ftrArgsData , (UInt32)argvP);
FtrSet(appFileCreator, ftrArgsCount, (UInt32)countArg);
}
void ArgsExportRelease(Boolean arm) {
if (arm) {
Char **argvP;
Err e = FtrGet(appFileCreator, ftrArgsData, (UInt32 *)&argvP);
if (argvP)
for(UInt8 count = 0; count < MAX_ARG; count++)
if (argvP[count])
argvP[count] = (Char *)ByteSwap32(argvP[count]);
}
FtrUnregister(appFileCreator, ftrArgsCount);
FtrUnregister(appFileCreator, ftrArgsData);
}

9
backends/PalmOS/Src/args.h
View File

@ -3,9 +3,16 @@
#define MAX_ARG 25
#define ftrArgsData 1300
#define ftrArgsCount 1301
#define ftrVars 1302
Char **ArgsInit();
void ArgsAdd(Char **argvP, const Char *argP, const Char *parmP, UInt8 *countArgP);
void ArgsFree(Char **argvP);
void ArgsSetOwner(Char **argvP, UInt16 owner);
#endif
void ArgsExportInit(Char **argvP, UInt32 countArg, Boolean arm);
void ArgsExportRelease(Boolean arm);
#endif