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functionsppc.c
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// Copyright (c) 2019, 2020 Dennis van der Boon
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
#pragma pack(push,2)
#include <exec/types.h>
#include <devices/timer.h>
#include <powerpc/powerpc.h>
#include <powerpc/tasksPPC.h>
#include <powerpc/memoryPPC.h>
#include <powerpc/semaphoresPPC.h>
#include <powerpc/portsPPC.h>
#include "constants.h"
#include "libstructs.h"
#include "Internalsppc.h"
#pragma pack(pop)
/********************************************************************************************
*
* LONG = Run68K(struct Library* PowerPCBase, struct PPCArgs* PPStruct)
*
*********************************************************************************************/
PPCFUNCTION LONG myRun68K(__reg("r3") struct PrivatePPCBase* PowerPCBase, __reg("r4") struct PPCArgs* PPStruct)
{
if (PPStruct->PP_Offset)
{
if ((PPStruct->PP_Code) && (PPStruct->PP_Code == PowerPCBase->pp_UtilityBase) && (PPStruct->PP_Offset == _LVOStricmp))
{
PPStruct->PP_Regs[0] = (ULONG)StricmpPPC((STRPTR)PPStruct->PP_Regs[8], (STRPTR)PPStruct->PP_Regs[9]);
return PPERR_SUCCESS;
}
}
struct DebugArgs args;
args.db_Function = 0 | (3<<8) | (1<<16) | (1<<17);
args.db_Arg[0] = (ULONG)PPStruct;
args.db_Arg[1] = (ULONG)PPStruct->PP_Code; //Extra info
args.db_Arg[2] = PPStruct->PP_Offset; //Extra info
printDebug(PowerPCBase, (struct DebugArgs*)&args);
if (!(PPStruct->PP_Code))
{
HaltError(ERR_R68K);
}
if (PPStruct->PP_Flags)
{
HaltError(ERR_ESNC);
}
PowerPCBase->pp_NumRun68k += 1;
struct MsgFrame* myFrame = CreateMsgFramePPC(PowerPCBase);
myCopyMemPPC(PowerPCBase, (APTR)PPStruct, (APTR)&myFrame->mf_PPCArgs, sizeof(struct PPCArgs));
struct PrivateTask* privTask = (struct PrivateTask*)PowerPCBase->pp_ThisPPCProc;
struct TaskPPC* myTask = PowerPCBase->pp_ThisPPCProc;
myFrame->mf_Identifier = ID_T68K;
myFrame->mf_PPCTask = (struct TaskPPC*)myTask;
myFrame->mf_MirrorPort = privTask->pt_MirrorPort;
myFrame->mf_Arg[0] = myTask->tp_Task.tc_SigAlloc;
myFrame->mf_Arg[1] = 0;
myFrame->mf_Arg[2] = 0;
while(!(LockMutexPPC((volatile ULONG)&PowerPCBase->pp_Mutex)));
myFrame->mf_Signals = myTask->tp_Task.tc_SigRecvd & ~0xfff;
myTask->tp_Task.tc_SigRecvd &= 0xfff;
FreeMutexPPC((ULONG)&PowerPCBase->pp_Mutex);
if (PPStruct->PP_Stack)
{
if(PPStruct->PP_StackSize)
{
mySetCache(PowerPCBase, CACHE_DCACHEFLUSH, PPStruct->PP_Stack, PPStruct->PP_StackSize);
}
else
{
myFrame->mf_PPCArgs.PP_Stack = NULL;
}
}
myFrame->mf_Message.mn_Node.ln_Type = NT_MESSAGE;
myFrame->mf_Message.mn_Length = sizeof(struct MsgFrame);
if (PowerPCBase->pp_PowerPCBase.PPC_SysLib == PPStruct->PP_Code)
{
if((PPStruct->PP_Offset == _LVOAllocMem) || (PPStruct->PP_Offset == _LVOAllocVec))
{
if(!(PPStruct->PP_Regs[1] & MEMF_CHIP))
{
myFrame->mf_PPCArgs.PP_Regs[1] |= MEMF_PPC;
}
}
}
SendMsgFramePPC(PowerPCBase, myFrame);
myWaitFor68K(PowerPCBase, PPStruct);
args.db_Arg[0] = PPStruct->PP_Regs[0];
printDebug(PowerPCBase, (struct DebugArgs*)&args);
return PPERR_SUCCESS;
}
/********************************************************************************************
*
* LONG = WaitFor68K(struct Library*, struct PPCArgs*)
*
*********************************************************************************************/
PPCFUNCTION LONG myWaitFor68K(__reg("r3") struct PrivatePPCBase* PowerPCBase, __reg("r4") struct PPCArgs* PPStruct)
{
struct DebugArgs args;
args.db_Function = 1 | (1<<8) | (1<<16) | (1<<17);
args.db_Arg[0] = (ULONG)PPStruct;
printDebug(PowerPCBase, (struct DebugArgs*)&args);
ULONG recvdSigs, signals;
ULONG sigMask = SIGF_DOS;
struct TaskPPC* myTask = PowerPCBase->pp_ThisPPCProc;
while (1)
{
recvdSigs = myWaitPPC(PowerPCBase, myTask->tp_Task.tc_SigAlloc & 0xfffff100);
if (recvdSigs & sigMask)
{
if (signals = recvdSigs & ~sigMask)
{
while (!(LockMutexPPC((volatile ULONG)&PowerPCBase->pp_Mutex)));
myTask->tp_Task.tc_SigRecvd |= signals;
FreeMutexPPC((ULONG)&PowerPCBase->pp_Mutex);
}
struct MsgFrame* myFrame;
while (myFrame = (struct MsgFrame*)myGetMsgPPC(PowerPCBase, myTask->tp_Msgport))
{
switch (myFrame->mf_Identifier)
{
case ID_DONE:
{
struct NewTask* myNewTask = (struct NewTask*)myTask;
if (!(myNewTask->nt_Task.pt_MirrorPort))
{
myNewTask->nt_Task.pt_MirrorPort = myFrame->mf_MirrorPort;
myNewTask->nt_Task.pt_Mirror68K = (struct Task*)myFrame->mf_Arg[0];
}
while (!(LockMutexPPC((volatile ULONG)&PowerPCBase->pp_Mutex)));
myTask->tp_Task.tc_SigRecvd |= myFrame->mf_Signals;
FreeMutexPPC((ULONG)&PowerPCBase->pp_Mutex);
myCopyMemPPC(PowerPCBase, (APTR)&myFrame->mf_PPCArgs, (APTR)PPStruct, sizeof(struct PPCArgs));
FreeMsgFramePPC(PowerPCBase, myFrame);
return PPERR_SUCCESS;
}
case ID_TPPC:
{
SetupRunPPC(PowerPCBase, myFrame);
break;
}
case ID_DNLL:
{
ULONG value = myFrame->mf_PPCArgs.PP_Regs[0];
FreeMsgFramePPC(PowerPCBase, myFrame);
return (LONG)value;
}
case ID_END:
{
KillTask(PowerPCBase, myFrame);
break;
}
default:
{
HaltError(ERR_EFIF);
break;
}
}
}
}
else
{
struct NewTask* myNewTask = (struct NewTask*)myTask;
struct MsgPort* mirrorPort;
if ((signals = recvdSigs & ~sigMask) && (mirrorPort = myNewTask->nt_Task.pt_MirrorPort))
{
mySignal68K(PowerPCBase, mirrorPort->mp_SigTask, signals);
}
}
}
return 0;
}
/********************************************************************************************
*
* VOID mySPrintF (struct Library*, STRPTR, APTR)
*
*********************************************************************************************/
PPCFUNCTION VOID mySPrintF(__reg("r3") struct PrivatePPCBase* PowerPCBase, __reg("r4") STRPTR Formatstring, __reg("r5") APTR Values)
{
myRun68KLowLevel(PowerPCBase, (ULONG)PowerPCBase, (LONG)_LVOSprintF68K,
(ULONG)Formatstring, (ULONG)Values, 0, 0);
return;
}
/********************************************************************************************
*
*
*
*********************************************************************************************/
PPCFUNCTION APTR myAllocVecPPC(__reg("r3") struct PrivatePPCBase* PowerPCBase, __reg("r4") ULONG size, __reg("r5") ULONG flags, __reg("r6") ULONG align)
{
struct DebugArgs args;
args.db_Function = 2 | (3<<8) | (1<<16) | (2<<17);
args.db_Arg[0] = size;
args.db_Arg[1] = flags;
args.db_Arg[2] = align;
printDebug(PowerPCBase, (struct DebugArgs*)&args);
APTR mem = 0;
flags = (flags & ~MEMF_CHIP) | MEMF_PPC;
struct poolHeader* currPool = (struct poolHeader*)PowerPCBase->pp_ThisPPCProc->tp_TaskPools.lh_Head;
struct poolHeader* nextPool;
while (nextPool = (struct poolHeader*)currPool->ph_Node.mln_Succ)
{
if ((currPool->ph_ThresholdSize == 0x40020) && (currPool->ph_Requirements == flags))
{
break;
}
currPool = nextPool;
}
if (!(align) || (align & 0x1f))
{
align = 32;
}
else
{
ULONG zeros = getLeadZ(align - 1);
zeros = 32 - zeros;
align = 1 << zeros;
}
if (!(nextPool))
{
currPool = myCreatePoolPPC(PowerPCBase, flags, 0x80200, 0x40020);
}
if (currPool)
{
mem = myAllocPooledPPC(PowerPCBase, currPool, size + align + 32);
}
if (mem)
{
ULONG origmem = (ULONG)mem;
mem = (APTR)(((ULONG)mem + 31 + align) & (-align));
ULONG* values = mem;
values[-1] = size + align + 32;
values[-2] = (ULONG)currPool;
values[-3] = origmem;
values[-4] = MAGIC_COOKIE;
}
args.db_Arg[0] = (ULONG)mem;
printDebug(PowerPCBase, (struct DebugArgs*)&args);
return mem;
}
/********************************************************************************************
*
*
*
*********************************************************************************************/
PPCFUNCTION LONG myFreeVecPPC(__reg("r3") struct PrivatePPCBase* PowerPCBase, __reg("r4") APTR memblock)
{
struct DebugArgs args;
args.db_Function = 3 | (1<<8) | (1<<16) | (2<<17);
args.db_Arg[0] = (ULONG)memblock;
printDebug(PowerPCBase, (struct DebugArgs*)&args);
if (memblock)
{
ULONG* myMemblock = memblock;
if (myMemblock[-4] != MAGIC_COOKIE)
{
HaltError(ERR_ECOR);
}
else
{
myFreePooledPPC(PowerPCBase, (APTR)myMemblock[-2], (APTR)myMemblock[-3], myMemblock[-1]);
}
}
return MEMERR_SUCCESS;
}
/********************************************************************************************
*
*
*
*********************************************************************************************/
PPCFUNCTION struct TaskPPC* myCreateTaskPPC(__reg("r3") struct PrivatePPCBase* PowerPCBase, __reg("r4") struct TagItem* taglist)
{
struct DebugArgs args;
args.db_Function = 4 | (1<<8) | (1<<16);
args.db_Arg[0] = (ULONG)taglist;
printDebug(PowerPCBase, (struct DebugArgs*)&args);
ULONG value, memStack, myCode;
LONG longvalue;
APTR memBATStorage, memName;
struct TaskPPC* newTask;
struct MemList* memBATml;
struct MemList* memNameml;
struct MemList* memStackml;
struct MemList* memFrameml;
struct iframe* memFrame;
struct MsgPortPPC* memPort;
struct TaskPtr* taskPtr;
struct TaskPPC* currTask = PowerPCBase->pp_ThisPPCProc;
currTask->tp_Flags |= TASKPPCF_CHOWN;
if (myCode = myGetTagDataPPC(PowerPCBase, TASKATTR_CODE, 0, taglist))
{
if (newTask = AllocVec68K(PowerPCBase, sizeof(struct PrivateTask), MEMF_PUBLIC | MEMF_CLEAR))
{
newTask->tp_Link.tl_Task = newTask;
newTask->tp_Link.tl_Sig = 0xfff;
myNewListPPC(PowerPCBase, (struct List*)&newTask->tp_Task.tc_MemEntry);
newTask->tp_Task.tc_Node.ln_Type = NT_PPCTASK;
newTask->tp_Task.tc_Flags = TF_PROCTIME;
newTask->tp_PowerPCBase = PowerPCBase;
if (memBATStorage = AllocVec68K(PowerPCBase, sizeof(struct BATArray) * 4, MEMF_PUBLIC | MEMF_CLEAR))
{
newTask->tp_BATStorage = memBATStorage;
if (memBATml = AllocVec68K(PowerPCBase, sizeof(struct MemList), MEMF_PUBLIC | MEMF_CLEAR))
{
memBATml->ml_NumEntries = 1;
memBATml->ml_ME[0].me_Un.meu_Addr = memBATStorage;
memBATml->ml_ME[0].me_Length = sizeof(struct BATArray) * 4;
myAddHeadPPC(PowerPCBase, (struct List*)&newTask->tp_Task.tc_MemEntry, (struct Node*)memBATml);
if (value = myGetTagDataPPC(PowerPCBase, TASKATTR_NAME, 0, taglist))
{
ULONG nameSize = GetLen((STRPTR)value) + 1;
if (memName = AllocVec68K(PowerPCBase, nameSize, MEMF_PUBLIC | MEMF_CLEAR))
{
if (memNameml = AllocVec68K(PowerPCBase, sizeof(struct MemList), MEMF_PUBLIC | MEMF_CLEAR))
{
memNameml->ml_NumEntries = 1;
memNameml->ml_ME[0].me_Un.meu_Addr = memName;
memNameml->ml_ME[0].me_Length = nameSize;
myAddHeadPPC(PowerPCBase, (struct List*)&newTask->tp_Task.tc_MemEntry, (struct Node*)memNameml);
CopyStr((APTR)value, (APTR)memName);
newTask->tp_Task.tc_Node.ln_Name = memName;
if (value = myGetTagDataPPC(PowerPCBase, TASKATTR_SYSTEM, 0, taglist))
{
newTask->tp_Flags = TASKPPCF_SYSTEM;
}
if (value = myGetTagDataPPC(PowerPCBase, TASKATTR_ATOMIC, 0, taglist))
{
newTask->tp_Flags |= TASKPPCF_ATOMIC;
}
myNewListPPC(PowerPCBase, (struct List*)&newTask->tp_TaskPools);
newTask->tp_Task.tc_Node.ln_Pri = myGetTagDataPPC(PowerPCBase, TASKATTR_PRI, 0, taglist);
longvalue = (LONG)myGetTagDataPPC(PowerPCBase, TASKATTR_NICE, 0, taglist);
if (longvalue < -20)
{
longvalue = -20;
}
else if (longvalue > 20)
{
longvalue = 20;
}
newTask->tp_Nice = longvalue;
if (value = myGetTagDataPPC(PowerPCBase, TASKATTR_MOTHERPRI, 0, taglist))
{
newTask->tp_Task.tc_Node.ln_Pri = currTask->tp_Task.tc_Node.ln_Pri;
newTask->tp_Nice = currTask->tp_Nice;
}
value = myGetTagDataPPC(PowerPCBase, TASKATTR_STACKSIZE, 0x10000, taglist);
if (value < 0x10000)
{
value = 0x10000;
}
newTask->tp_StackSize = value;
if (memStack = (ULONG)AllocVec68K(PowerPCBase, value, MEMF_PUBLIC | MEMF_CLEAR))
{
ULONG SPointer = memStack + value;
newTask->tp_Task.tc_SPLower = (APTR)memStack;
newTask->tp_Task.tc_SPUpper = (APTR)SPointer;
SPointer = (SPointer - 56) & -32;
newTask->tp_Task.tc_SPReg = (APTR)SPointer;
newTask->tp_StackMem = (APTR)memStack;
if (memStackml = AllocVec68K(PowerPCBase, sizeof(struct MemList), MEMF_PUBLIC | MEMF_CLEAR))
{
memStackml->ml_NumEntries = 1;
memStackml->ml_ME[0].me_Un.meu_Addr = (APTR)memStack;
memStackml->ml_ME[0].me_Length = value;
myAddHeadPPC(PowerPCBase, (struct List*)&newTask->tp_Task.tc_MemEntry, (struct Node*)memStackml);
if (memFrame = AllocVec68K(PowerPCBase, sizeof(struct iframe), MEMF_PUBLIC | MEMF_CLEAR))
{
newTask->tp_ContextMem = memFrame;
memFrame->if_Context.ec_GPR[1] = SPointer;
if (memFrameml = AllocVec68K(PowerPCBase, sizeof(struct MemList), MEMF_PUBLIC | MEMF_CLEAR))
{
memFrameml->ml_NumEntries = 1;
memFrameml->ml_ME[0].me_Un.meu_Addr = (APTR)memFrame;
memFrameml->ml_ME[0].me_Length = sizeof(struct iframe);
myAddHeadPPC(PowerPCBase, (struct List*)&newTask->tp_Task.tc_MemEntry, (struct Node*)memFrameml);
memFrame->if_Context.ec_UPC.ec_SRR0 = myCode;
memFrame->if_Context.ec_SRR1 = MACHINESTATE_DEFAULT;
memFrame->if_Context.ec_GPR[2] = getR2();
if (value = myGetTagDataPPC(PowerPCBase, TASKATTR_BAT, 0, taglist))
{
myCopyMemPPC(PowerPCBase, &PowerPCBase->pp_StoredBATs, &memFrame->if_BATs, sizeof(struct BATArray) * 4); //Not working
myCopyMemPPC(PowerPCBase, &PowerPCBase->pp_StoredBATs, newTask->tp_BATStorage, sizeof(struct BATArray) * 4);
}
else
{
myCopyMemPPC(PowerPCBase, &PowerPCBase->pp_SystemBATs, &memFrame->if_BATs, sizeof(struct BATArray) * 4);
myCopyMemPPC(PowerPCBase, &PowerPCBase->pp_SystemBATs, newTask->tp_BATStorage, sizeof(struct BATArray) * 4);
}
for (int i = 0; i < 16; i++)
{
memFrame->if_Segments[i] = PowerPCBase->pp_SystemSegs[i];
}
value = *((ULONG*)((ULONG)PowerPCBase + _LVOEndTask + 2));
memFrame->if_Context.ec_LR = myGetTagDataPPC(PowerPCBase, TASKATTR_EXITCODE, value, taglist);
if (value = myGetTagDataPPC(PowerPCBase, TASKATTR_PRIVATE, 0, taglist))
{
memFrame->if_Context.ec_GPR[13] = value | 1;
}
else
{
memFrame->if_Context.ec_GPR[13] = (ULONG)PowerPCBase->pp_ThisPPCProc;
}
if (value = myGetTagDataPPC(PowerPCBase, TASKATTR_INHERITR2, 0, taglist))
{
memFrame->if_Context.ec_GPR[2] = getR2();
}
else
{
memFrame->if_Context.ec_GPR[2] = myGetTagDataPPC(PowerPCBase, TASKATTR_R2, 0, taglist);
}
memFrame->if_Context.ec_GPR[3] = myGetTagDataPPC(PowerPCBase, TASKATTR_R3, 0, taglist);
memFrame->if_Context.ec_GPR[4] = myGetTagDataPPC(PowerPCBase, TASKATTR_R4, 0, taglist);
memFrame->if_Context.ec_GPR[5] = myGetTagDataPPC(PowerPCBase, TASKATTR_R5, 0, taglist);
memFrame->if_Context.ec_GPR[6] = myGetTagDataPPC(PowerPCBase, TASKATTR_R6, 0, taglist);
memFrame->if_Context.ec_GPR[7] = myGetTagDataPPC(PowerPCBase, TASKATTR_R7, 0, taglist);
memFrame->if_Context.ec_GPR[8] = myGetTagDataPPC(PowerPCBase, TASKATTR_R8, 0, taglist);
memFrame->if_Context.ec_GPR[9] = myGetTagDataPPC(PowerPCBase, TASKATTR_R9, 0, taglist);
memFrame->if_Context.ec_GPR[10] = myGetTagDataPPC(PowerPCBase, TASKATTR_R10, 0, taglist);
if (memPort = AllocVec68K(PowerPCBase, sizeof(struct MsgPortPPC), MEMF_PUBLIC | MEMF_CLEAR))
{
myNewListPPC(PowerPCBase, (struct List*)&memPort->mp_IntMsg);
myNewListPPC(PowerPCBase, (struct List*)&memPort->mp_Port.mp_MsgList);
newTask->tp_Task.tc_SigAlloc = SYS_SIGALLOC;
memPort->mp_Port.mp_SigBit = SIGB_DOS;
if (myInitSemaphorePPC(PowerPCBase, &memPort->mp_Semaphore) == -1)
{
memPort->mp_Port.mp_SigTask = newTask;
memPort->mp_Port.mp_Flags = PA_SIGNAL;
memPort->mp_Port.mp_Node.ln_Type = NT_MSGPORTPPC;
newTask->tp_Msgport = memPort;
newTask->tp_PoolMem = myGetTagDataPPC(PowerPCBase, TASKATTR_NOTIFYMSG, 0, taglist);
if (newTask->tp_MessageRIP = AllocVec68K(PowerPCBase, 928, MEMF_PUBLIC | MEMF_CLEAR))
{
if (taskPtr = AllocVec68K(PowerPCBase, sizeof(struct TaskPtr), MEMF_PUBLIC | MEMF_CLEAR))
{
taskPtr->tptr_Task = newTask;
newTask->tp_TaskPtr = taskPtr;
taskPtr->tptr_Node.ln_Name = newTask->tp_Task.tc_Node.ln_Name;
myObtainSemaphorePPC(PowerPCBase, (struct SignalSemaphorePPC*)&PowerPCBase->pp_SemTaskList);
myAddTailPPC(PowerPCBase, (struct List*)&PowerPCBase->pp_AllTasks, (struct Node*)taskPtr);
PowerPCBase->pp_NumAllTasks += 1;
myReleaseSemaphorePPC(PowerPCBase, (struct SignalSemaphorePPC*)&PowerPCBase->pp_SemTaskList);
while (!(LockMutexPPC((volatile ULONG)&PowerPCBase->pp_Mutex)));
if (newTask->tp_Flags & TASKPPCF_SYSTEM)
{
PowerPCBase->pp_IdSysTasks += 1;
newTask->tp_Id = PowerPCBase->pp_IdSysTasks;
}
else
{
PowerPCBase->pp_IdUsrTasks += 1;
newTask->tp_Id = PowerPCBase->pp_IdUsrTasks;
}
newTask->tp_Quantum = PowerPCBase->pp_StdQuantum;
newTask->tp_Task.tc_State = TS_READY;
newTask->tp_Desired = 0; //from NICE table TBI
newTask->tp_Flags |= TASKPPCF_CREATORPPC;
InsertOnPri(PowerPCBase, (struct List*)&PowerPCBase->pp_ReadyTasks, newTask);
PowerPCBase->pp_FlagReschedule = -1;
FreeMutexPPC((ULONG)&PowerPCBase->pp_Mutex);
myObtainSemaphorePPC(PowerPCBase, (struct SignalSemaphorePPC*)&PowerPCBase->pp_SemSnoopList);
struct SnoopData* currSnoop = (struct SnoopData*)PowerPCBase->pp_Snoop.mlh_Head;
struct SnoopData* nextSnoop;
while (nextSnoop = (struct SnoopData*)currSnoop->sd_Node.ln_Succ)
{
if (currSnoop->sd_Type == SNOOP_START)
{
ULONG (*runSnoop)(__reg("r2") ULONG, __reg("r3") struct TaskPPC*,
__reg("r4") ULONG, __reg("r5") struct TaskPPC*,
__reg("r6") ULONG) = currSnoop->sd_Code;
ULONG tempR2 = getR2();
runSnoop(currSnoop->sd_Data, newTask, myCode, currTask, CREATOR_PPC);
storeR2(tempR2);
}
currSnoop = nextSnoop;
}
myReleaseSemaphorePPC(PowerPCBase, (struct SignalSemaphorePPC*)&PowerPCBase->pp_SemSnoopList);
CauseDECInterrupt(PowerPCBase);
currTask->tp_Flags &= ~TASKPPCF_CHOWN;
args.db_Arg[0] = (ULONG)newTask;
printDebug(PowerPCBase, (struct DebugArgs*)&args);
return newTask;
}
FreeVec68K(PowerPCBase, newTask->tp_MessageRIP);
}
FreeVec68K(PowerPCBase, memPort->mp_Semaphore.ssppc_reserved);
}
FreeVec68K(PowerPCBase, memPort);
}
FreeVec68K(PowerPCBase, memFrameml);
}
FreeVec68K(PowerPCBase, memFrame);
}
FreeVec68K(PowerPCBase, memStackml);
}
FreeVec68K(PowerPCBase, (APTR)memStack);
}
FreeVec68K(PowerPCBase, memNameml);
}
FreeVec68K(PowerPCBase, memName);
}
}
FreeVec68K(PowerPCBase, memBATml);
}
FreeVec68K(PowerPCBase, memBATStorage);
}
FreeVec68K(PowerPCBase, newTask);
}
}
args.db_Arg[0] = NULL;
printDebug(PowerPCBase, (struct DebugArgs*)&args);
return NULL;
}
/********************************************************************************************
*
*
*
*********************************************************************************************/
PPCFUNCTION VOID myDeleteTaskPPC(__reg("r3") struct PrivatePPCBase* PowerPCBase, __reg("r4") struct TaskPPC* PPCtask)
{
struct DebugArgs args;
args.db_Function = 5 | (1<<8) | (1<<16);
args.db_Arg[0] = (ULONG)PPCtask;
printDebug(PowerPCBase, (struct DebugArgs*)&args);
ULONG ownFlag = 0;
struct TaskPPC* myTask = PowerPCBase->pp_ThisPPCProc;
if ((!(PPCtask)) || (PPCtask == myTask))
{
ownFlag = 1;
PPCtask = myTask;
}
myObtainSemaphorePPC(PowerPCBase, (struct SignalSemaphorePPC*)&PowerPCBase->pp_SemSnoopList);
struct SnoopData* currSnoop = (struct SnoopData*)PowerPCBase->pp_Snoop.mlh_Head;
struct SnoopData* nextSnoop;
while (nextSnoop = (struct SnoopData*)currSnoop->sd_Node.ln_Succ)
{
if (currSnoop->sd_Type == SNOOP_EXIT)
{
ULONG tempR2 = getR2();
ULONG (*runSnoop)(__reg("r2") ULONG, __reg("r3") struct TaskPPC*) = currSnoop->sd_Code;
runSnoop(currSnoop->sd_Data, PPCtask);
storeR2(tempR2);
}
currSnoop = nextSnoop;
}
myReleaseSemaphorePPC(PowerPCBase, (struct SignalSemaphorePPC*)&PowerPCBase->pp_SemSnoopList);
if ((PPCtask->tp_Flags & TASKPPCF_CREATORPPC) && (PPCtask->tp_Msgport))
{
FreeVec68K(PowerPCBase, PPCtask->tp_Msgport->mp_Semaphore.ssppc_reserved);
FreeVec68K(PowerPCBase, PPCtask->tp_Msgport);
}
myObtainSemaphorePPC(PowerPCBase, (struct SignalSemaphorePPC*)&PowerPCBase->pp_SemTaskList);
if (PPCtask->tp_TaskPtr)
{
myRemovePPC(PowerPCBase, (struct Node*)PPCtask->tp_TaskPtr);
}
PowerPCBase->pp_NumAllTasks -= 1;
myReleaseSemaphorePPC(PowerPCBase, (struct SignalSemaphorePPC*)&PowerPCBase->pp_SemTaskList);
struct MsgPort* mirrorPort;
struct NewTask* PPCNewtask = (struct NewTask*)PPCtask;
if (mirrorPort = PPCNewtask->nt_Task.pt_MirrorPort)
{
struct MsgFrame* myFrame = CreateMsgFramePPC(PowerPCBase);
myFrame->mf_Identifier = ID_END;
myFrame->mf_MirrorPort = mirrorPort;
SendMsgFramePPC(PowerPCBase, myFrame);
}
if (ownFlag)
{
PPCtask->tp_Task.tc_State = TS_REMOVED;
PowerPCBase->pp_FlagReschedule = -1;
CauseDECInterrupt(PowerPCBase);
TaskHalt();
}
else if (!(PPCtask->tp_Flags & (TASKPPCF_CRASHED)))
{
while (!(LockMutexPPC((volatile ULONG)&PowerPCBase->pp_Mutex)));
myRemovePPC(PowerPCBase, (struct Node*)PPCtask);
myAddTailPPC(PowerPCBase, (struct List*)&PowerPCBase->pp_RemovedTasks, (struct Node*)PPCtask);
PPCtask->tp_Task.tc_State = TS_REMOVED;
FreeMutexPPC((ULONG)&PowerPCBase->pp_Mutex);
}
return;
}
/********************************************************************************************
*
*
*
*********************************************************************************************/
PPCFUNCTION struct TaskPPC* myFindTaskPPC(__reg("r3") struct PrivatePPCBase* PowerPCBase, __reg("r4") STRPTR name)
{
struct DebugArgs args;
args.db_Function = 6 | (1<<8) | (1<<16);
args.db_Arg[0] = (ULONG)name;
printDebug(PowerPCBase, (struct DebugArgs*)&args);
if(!(name))
{
return PowerPCBase->pp_ThisPPCProc;
}
myObtainSemaphorePPC(PowerPCBase, (struct SignalSemaphorePPC*)&PowerPCBase->pp_SemTaskList);
struct TaskPPC* fndTask;
struct TaskPtr* taskPtr = (struct TaskPtr*)myFindNamePPC(PowerPCBase,
(struct List*)&PowerPCBase->pp_AllTasks, name);
if (taskPtr)
{
fndTask = taskPtr->tptr_Task;
}
else
{
fndTask = NULL;
}
myReleaseSemaphorePPC(PowerPCBase, (struct SignalSemaphorePPC*)&PowerPCBase->pp_SemTaskList);
args.db_Arg[0] = (ULONG)fndTask;
printDebug(PowerPCBase, (struct DebugArgs*)&args);
return fndTask;
}
/********************************************************************************************
*
*
*
*********************************************************************************************/
PPCFUNCTION LONG myInitSemaphorePPC(__reg("r3") struct PrivatePPCBase* PowerPCBase, __reg("r4") struct SignalSemaphorePPC* SemaphorePPC)
{
struct DebugArgs args;
args.db_Function = 7 | (1<<8) | (1<<16);
args.db_Arg[0] = (ULONG)SemaphorePPC;
printDebug(PowerPCBase, (struct DebugArgs*)&args);
LONG result = 0;
APTR reserved;
myNewListPPC(PowerPCBase, (struct List*)&SemaphorePPC->ssppc_SS.ss_WaitQueue);
SemaphorePPC->ssppc_SS.ss_Owner = 0;
SemaphorePPC->ssppc_SS.ss_NestCount = 0;
SemaphorePPC->ssppc_SS.ss_QueueCount = -1;
if (reserved = AllocVec68K(PowerPCBase, 32, MEMF_PUBLIC|MEMF_CLEAR|MEMF_PPC)) //sizeof?
{
SemaphorePPC->ssppc_reserved = reserved;
result = -1;
}
args.db_Arg[0] = result;
printDebug(PowerPCBase, (struct DebugArgs*)&args);
return result;
}
/********************************************************************************************
*
*
*
*********************************************************************************************/
PPCFUNCTION VOID myFreeSemaphorePPC(__reg("r3") struct PrivatePPCBase* PowerPCBase, __reg("r4") struct SignalSemaphorePPC* SemaphorePPC)
{
struct DebugArgs args;
args.db_Function = 8 | (1<<8) | (1<<16);
args.db_Arg[0] = (ULONG)SemaphorePPC;
printDebug(PowerPCBase, (struct DebugArgs*)&args);
if (SemaphorePPC)
{
FreeVec68K(PowerPCBase, SemaphorePPC->ssppc_reserved);
}
return;
}
/********************************************************************************************
*
*
*
*********************************************************************************************/
PPCFUNCTION LONG myAddSemaphorePPC(__reg("r3") struct PrivatePPCBase* PowerPCBase, __reg("r4") struct SignalSemaphorePPC* SemaphorePPC)
{
struct DebugArgs args;
args.db_Function = 9 | (1<<8) | (1<<16);
args.db_Arg[0] = (ULONG)SemaphorePPC;
printDebug(PowerPCBase, (struct DebugArgs*)&args);
LONG result = 0;
if (result = myInitSemaphorePPC(PowerPCBase, SemaphorePPC))
{
myObtainSemaphorePPC(PowerPCBase, (struct SignalSemaphorePPC*)&PowerPCBase->pp_SemSemList);
myEnqueuePPC(PowerPCBase, (struct List*)&PowerPCBase->pp_Semaphores, (struct Node*)SemaphorePPC);
myReleaseSemaphorePPC(PowerPCBase, (struct SignalSemaphorePPC*)&PowerPCBase->pp_SemSemList);
}
args.db_Arg[0] = result;
printDebug(PowerPCBase, (struct DebugArgs*)&args);
return result;
}
/********************************************************************************************
*
*
*
*********************************************************************************************/
PPCFUNCTION VOID myRemSemaphorePPC(__reg("r3") struct PrivatePPCBase* PowerPCBase, __reg("r4") struct SignalSemaphorePPC* SemaphorePPC)
{
struct DebugArgs args;
args.db_Function = 10 | (1<<8) | (1<<16);
args.db_Arg[0] = (ULONG)SemaphorePPC;
printDebug(PowerPCBase, (struct DebugArgs*)&args);
myObtainSemaphorePPC(PowerPCBase, (struct SignalSemaphorePPC*)&PowerPCBase->pp_SemSemList);
myRemovePPC(PowerPCBase, (struct Node*)SemaphorePPC);
myReleaseSemaphorePPC(PowerPCBase, (struct SignalSemaphorePPC*)&PowerPCBase->pp_SemSemList);
myFreeSemaphorePPC(PowerPCBase, SemaphorePPC);
return;
}
/********************************************************************************************
*
*
*
*********************************************************************************************/
PPCFUNCTION VOID myObtainSemaphorePPC(__reg("r3") struct PrivatePPCBase* PowerPCBase, __reg("r4") struct SignalSemaphorePPC* SemaphorePPC)
{
struct DebugArgs args;
args.db_Function = 11 | (1<<8) | (1<<16) | (2<<17);
args.db_Arg[0] = (ULONG)SemaphorePPC;
printDebug(PowerPCBase, (struct DebugArgs*)&args);
while (!(LockMutexPPC((volatile ULONG)&PowerPCBase->pp_Mutex)));
SemaphorePPC->ssppc_SS.ss_QueueCount += 1;
struct TaskPPC* myTask = PowerPCBase->pp_ThisPPCProc;
if ((SemaphorePPC->ssppc_SS.ss_QueueCount) && ((SemaphorePPC->ssppc_SS.ss_Owner != (struct Task*)myTask)))
{
struct SemWait myWait;
myWait.sw_Task = myTask;
myTask->tp_Task.tc_SigRecvd &= ~SIGF_SINGLE;
myAddTailPPC(PowerPCBase, (struct List*)&SemaphorePPC->ssppc_SS.ss_WaitQueue, (struct Node*)&myWait);
FreeMutexPPC((ULONG)&PowerPCBase->pp_Mutex);
myWaitPPC(PowerPCBase, SIGF_SINGLE);
}
else
{
SemaphorePPC->ssppc_SS.ss_Owner = (struct Task*)myTask;
FreeMutexPPC((ULONG)&PowerPCBase->pp_Mutex);
SemaphorePPC->ssppc_SS.ss_NestCount += 1;
}
return;
}
/********************************************************************************************
*
*
*
*********************************************************************************************/
PPCFUNCTION LONG myAttemptSemaphorePPC(__reg("r3") struct PrivatePPCBase* PowerPCBase, __reg("r4") struct SignalSemaphorePPC* SemaphorePPC)
{
struct DebugArgs args;
args.db_Function = 12 | (1<<8) | (1<<16);
args.db_Arg[0] = (ULONG)SemaphorePPC;
printDebug(PowerPCBase, (struct DebugArgs*)&args);
LONG result = 0;
while (!(LockMutexPPC((volatile ULONG)&PowerPCBase->pp_Mutex)));
struct TaskPPC* myTask = PowerPCBase->pp_ThisPPCProc;
if ((SemaphorePPC->ssppc_SS.ss_QueueCount + 1) && (!(SemaphorePPC->ssppc_SS.ss_Owner == (struct Task*)myTask)))
{
result = ATTEMPT_FAILURE;
}
else
{
SemaphorePPC->ssppc_SS.ss_Owner = (struct Task*)myTask;
SemaphorePPC->ssppc_SS.ss_QueueCount += 1;
SemaphorePPC->ssppc_SS.ss_NestCount += 1;
result = ATTEMPT_SUCCESS;
}
FreeMutexPPC((ULONG)&PowerPCBase->pp_Mutex);
args.db_Arg[0] = result;
printDebug(PowerPCBase, (struct DebugArgs*)&args);
return result;
}
/********************************************************************************************
*
*
*
*********************************************************************************************/
PPCFUNCTION VOID myReleaseSemaphorePPC(__reg("r3") struct PrivatePPCBase* PowerPCBase, __reg("r4") struct SignalSemaphorePPC* SemaphorePPC)
{
struct DebugArgs args;
args.db_Function = 13 | (1<<8) | (1<<16) | (2<<17);
args.db_Arg[0] = (ULONG)SemaphorePPC;
printDebug(PowerPCBase, (struct DebugArgs*)&args);
while (!(LockMutexPPC((volatile ULONG)&PowerPCBase->pp_Mutex)));
SemaphorePPC->ssppc_SS.ss_NestCount -= 1;
if (SemaphorePPC->ssppc_SS.ss_NestCount < 0)
{
FreeMutexPPC((ULONG)&PowerPCBase->pp_Mutex);
HaltError(ERR_ESEM);
}
if (SemaphorePPC->ssppc_SS.ss_NestCount > 0)
{
SemaphorePPC->ssppc_SS.ss_QueueCount -= 1;
FreeMutexPPC((ULONG)&PowerPCBase->pp_Mutex);
}
else
{
SemaphorePPC->ssppc_SS.ss_Owner = 0;
SemaphorePPC->ssppc_SS.ss_QueueCount -= 1;
FreeMutexPPC((ULONG)&PowerPCBase->pp_Mutex);
if (SemaphorePPC->ssppc_SS.ss_QueueCount != -1)
{
SemaphorePPC->ssppc_lock = 1;
struct SemWait* myWait = (struct SemWait*)myRemHeadPPC(PowerPCBase, (struct List*)&SemaphorePPC->ssppc_SS.ss_WaitQueue);
if (myWait)
{
struct TaskPPC* currTask = myWait->sw_Task;
struct TaskPPC* sigTask = (struct TaskPPC*)((ULONG)currTask & ~SM_SHARED);
if (!(SM_SHARED & (ULONG)currTask)) //not shared
{
if (sigTask)
{
SemaphorePPC->ssppc_SS.ss_Owner = (struct Task*)sigTask;
SemaphorePPC->ssppc_SS.ss_NestCount += 1;
mySignalPPC(PowerPCBase, sigTask, SIGF_SINGLE);
}
else
{
SemaphorePPC->ssppc_SS.ss_Owner = (struct Task*)myWait->sw_Semaphore;
myWait->sw_Semaphore = SemaphorePPC;
SemaphorePPC->ssppc_SS.ss_NestCount += 1;
myReplyMsgPPC(PowerPCBase, (struct Message*)myWait);
myWait = (struct SemWait*)SemaphorePPC->ssppc_SS.ss_WaitQueue.mlh_Head;
struct SemWait* nxtWait;
while (nxtWait = (struct SemWait*)myWait->sw_Node.mln_Succ)
{
if (!(myWait->sw_Task))