STATUS vmLibInit(
int pageSize
)
{
STATUS status;
int i;
int j;
int tableSize;
unsigned state;
unsigned mask;
VM2MMU_STATE_TRANS *thisElement;
unsigned vmState;
unsigned mmuState;
unsigned vmMask;
unsigned mmuMask;
/* Check if already installed */
if (vmLibInstalled == TRUE)
{
status = OK;
}
else
{
/* Check for zero pagesize */
if (pageSize == 0)
{
status = ERROR;
}
else
{
/* Store page size */
vmPageSize = pageSize;
for (i = 0; i < NUM_PAGE_STATES; i++)
{
state = 0;
for (j = 0; j < mmuStateTransTableSize; j++)
{
thisElement = &mmuStateTransTable[j];
vmState = thisElement->vmState;
mmuState = thisElement->mmuState;
vmMask = thisElement->vmMask;
if ((i & vmMask) == vmState)
{
state |= mmuState;
}
}
vmStateTransTable[i] = state;
}
for (i = 0; i < NUM_PAGE_STATES; i++)
{
mask = 0;
for (j = 0; j < mmuStateTransTableSize; j++)
{
thisElement = &mmuStateTransTable[j];
vmMask = thisElement->vmMask;
mmuMask = thisElement->mmuMask;
if ((i & vmMask) == vmMask)
{
mask |= mmuMask;
}
}
vmMaskTransTable[i] = mask;
}
/* Global page block table size */
tableSize = (unsigned) 0x80000000 / (mmuPageBlockSize / 2);
globalPageBlockTable = (char *) calloc(
tableSize,
sizeof(globalPageBlockTable[0])
);
if (globalPageBlockTable == NULL)
{
status = ERROR;
}
else
{
/* Initialize class */
if (classInit(
vmContextClassId,
sizeof(VM_CONTEXT),
OFFSET(VM_CONTEXT, objCore),
memSysPartId,
(FUNCPTR) vmContextCreate,
(FUNCPTR) vmContextInit,
(FUNCPTR) vmContextDestroy) != OK)
{
status = ERROR;
}
else
{
semMInit(&globalMemMutex, vmMutexOptions);
/* Enable mmu for cache library */
cacheMmuAvailable = TRUE;
cacheFuncsSet();
/* Set as installed */
vmLibInstalled = TRUE;
status = OK;
}
}
}
}
return status;
}
STATUS cacheLsn2eLibInit
(
CACHE_MODE instMode, /* instruction cache mode */
CACHE_MODE dataMode /* data cache mode */
#if 0
UINT32 iCacheSize,
UINT32 iCacheLineSize,
UINT32 dCacheSize,
UINT32 dCacheLineSize,
UINT32 sCacheSize,
UINT32 sCacheLineSize
#endif
)
{
#if 0
cacheLsn2eICacheSize = iCacheSize;
cacheLsn2eDCacheSize = dCacheSize;
cacheLsn2eSCacheSize = sCacheSize;
cacheLsn2eICacheLineSize = iCacheLineSize;
cacheLsn2eDCacheLineSize = dCacheLineSize;
cacheLsn2eSCacheLineSize = sCacheLineSize;
#endif
cacheLib.enableRtn = cacheLsn2eEnable;
cacheLib.disableRtn = cacheLsn2eDisable;
cacheLib.lockRtn = NULL; /* cacheLock */
cacheLib.unlockRtn = NULL; /* cacheUnlock */
cacheLib.flushRtn = cacheLsn2eFlush; /* cacheFlush() */
cacheLib.pipeFlushRtn = cacheLsn2ePipeFlush; /* cachePipeFlush() */
cacheLib.textUpdateRtn = cacheLsn2eTextUpdate;/* cacheTextUpdate() */
cacheLib.invalidateRtn = cacheLsn2eInvalidate;/* cacheInvalidate() */
cacheLib.clearRtn = cacheLsn2eInvalidate; /* cacheClear() */
cacheLib.dmaMallocRtn = (FUNCPTR) cacheLsn2eMalloc; /* cacheDmaMalloc() */
cacheLib.dmaFreeRtn = cacheLsn2eFree; /* cacheDmaFree() */
#ifdef IS_KSEGM
if (!IS_KSEGM(cacheLsn2eLibInit))
{
cacheLib.dmaVirtToPhysRtn = (FUNCPTR) cacheLsn2eVirtToPhys;
cacheLib.dmaPhysToVirtRtn = (FUNCPTR) cacheLsn2ePhysToVirt;
_func_mipsCacheSync = (VOIDFUNCPTR) cacheLsn2eSync;
}
else
{
_func_mipsCacheSync = (VOIDFUNCPTR) KM_TO_K0(cacheLsn2eSync);
_func_mmuMipsVirtPageFlush = (VOIDFUNCPTR) cacheLsn2eVirtPageFlush;
_func_mmuMipsVirtPageFlush = NULL;
}
#else /* IS_KSEGM */
cacheLib.dmaVirtToPhysRtn = (FUNCPTR) cacheLsn2eVirtToPhys;
cacheLib.dmaPhysToVirtRtn = (FUNCPTR) cacheLsn2ePhysToVirt;
#endif /* IS_KSEGM */
cacheDataMode = dataMode; /* save dataMode for enable */
cacheDataEnabled = TRUE; /* d-cache is currently on */
cacheMmuAvailable = TRUE; /* mmu support is provided */
cacheFuncsSet (); /* update cache func ptrs */
#if 0
cacheDmaFuncs.flushRtn = cacheLib.flushRtn;
cacheDmaFuncs.invalidateRtn = cacheLib.invalidateRtn;
cacheDmaFuncs.virtToPhysRtn = cacheLib.dmaVirtToPhysRtn;
cacheDmaFuncs.physToVirtRtn = cacheLib.dmaPhysToVirtRtn;
cacheDmaMallocRtn = cacheLib.dmaMallocRtn;
cacheDmaFreeRtn = cacheLib.dmaFreeRtn;
cacheUserFuncs.flushRtn = cacheLib.flushRtn;
cacheUserFuncs.invalidateRtn = cacheLib.invalidateRtn;
/* cacheUserFuncs.virtToPhysRtn = cacheLib.dmaVirtToPhysRtn;
cacheUserFuncs.physToVirtRtn = cacheLib.dmaPhysToVirtRtn;*/
#endif
return (OK);
}
