#include <xdc\std.h>
#include <xdc\runtime\IHeap.h>

#include "paf_heapMgr.h"

Int gPafHeapIdInt       = PAF_HEAP_ID_INT;
Int gPafHeapIdInt1      = PAF_HEAP_ID_INT1;
Int gPafHeapIdExt       = PAF_HEAP_ID_EXT;
Int gPafHeapIdInt1Shm   = PAF_HEAP_ID_INT1_SHM;
Int gPafHeapIdExtShm    = PAF_HEAP_ID_EXT_SHM;

// heap handle array
//static IHeap_Handle gHeapIdToHandle[PAF_NUM_HEAPS] =
IHeap_Handle gHeapIdToHandle[PAF_NUM_HEAPS] =
{
    NULL,
    NULL,
    NULL,
    NULL,
    NULL
};

/* Initialize PAF heap manager */
Void pafHeapMgr_init(
    IHeap_Handle hIntHeap,
    IHeap_Handle hIntHeap1,
    IHeap_Handle hExtHeap,
    IHeap_Handle hIntHeap1Shm,
    IHeap_Handle hExtHeapShm
)
{
    gHeapIdToHandle[PAF_HEAP_ID_INT]        = hIntHeap;
    gHeapIdToHandle[PAF_HEAP_ID_INT1]       = hIntHeap1;
    gHeapIdToHandle[PAF_HEAP_ID_EXT]        = hExtHeap;
    gHeapIdToHandle[PAF_HEAP_ID_INT1_SHM]   = hIntHeap1Shm;
    gHeapIdToHandle[PAF_HEAP_ID_EXT_SHM]    = hExtHeapShm;
}

/* Write heap handle to PAF heap manager for provided index */
Void pafHeapMgr_writeHeapHandle(
    Int heapId,
    IHeap_Handle hHeap
)
{
    if (heapId < PAF_NUM_HEAPS)
    {
        gHeapIdToHandle[heapId] = hHeap;
    }
}

/* Read heap handle from PAF heap manager for provided index */
IHeap_Handle pafHeapMgr_readHeapHandle(
    Int heapId
)
{
    IHeap_Handle hHeap;
    
    if (heapId < PAF_NUM_HEAPS)
    {
        hHeap = gHeapIdToHandle[heapId];
    }
    else
    {
        hHeap = NULL;
    }
    
    return hHeap;
}