/*---------------------------------------------------------------------------*
  Project:  TwlSDK - WXC - demos - wxc-dataShare
  File:     common.c

  Copyright 2005-2009 Nintendo. All rights reserved.

  These coded instructions, statements, and computer programs contain
  proprietary information of Nintendo of America Inc. and/or Nintendo
  Company Ltd., and are protected by Federal copyright law. They may
  not be disclosed to third parties or copied or duplicated in any form,
  in whole or in part, without the prior written consent of Nintendo.

  $Date:: 2007-11-15#$
  $Rev: 2414 $
  $Author: hatamoto_minoru $
 *---------------------------------------------------------------------------*/


#include <nitro.h>

#include "common.h"
#include "disp.h"

void VBlankIntr(void);

/*---------------------------------------------------------------------------*
  Name:         CommonInit

  Description:  Common initialization functions.

  Arguments:    None.

  Returns:      None.
 *---------------------------------------------------------------------------*/
void CommonInit(void)
{
    /* OS initialization */
    OS_Init();
    OS_InitTick();
    OS_InitAlarm();
    FX_Init();

    /* GX initialization */
    GX_Init();
    GX_DispOff();
    GXS_DispOff();

    /* V-Blank interrupt configuration */
    (void)OS_SetIrqFunction(OS_IE_V_BLANK, VBlankIntr);
    (void)OS_EnableIrqMask(OS_IE_V_BLANK);
    (void)OS_EnableIrqMask(OS_IE_FIFO_RECV);
    (void)GX_VBlankIntr(TRUE);

    (void)OS_EnableIrq();
    (void)OS_EnableInterrupts();

    {                                  /* FS initialization */
        static u32 fs_tablework[0x100 / 4];
        FS_Init(FS_DMA_NOT_USE);
        (void)FS_LoadTable(fs_tablework, sizeof(fs_tablework));
    }
}


/*---------------------------------------------------------------------------*
  Name:         InitAllocateSystem

  Description:  Initializes the memory allocation system in the main memory arena.

  Arguments:    None.

  Returns:      None.
 *---------------------------------------------------------------------------*/
void InitAllocateSystem(void)
{
    void *tempLo;
    OSHeapHandle hh;

    // Based on the premise that OS_Init has been already called
    tempLo = OS_InitAlloc(OS_ARENA_MAIN, OS_GetMainArenaLo(), OS_GetMainArenaHi(), 1);
    OS_SetArenaLo(OS_ARENA_MAIN, tempLo);
    hh = OS_CreateHeap(OS_ARENA_MAIN, OS_GetMainArenaLo(), OS_GetMainArenaHi());
    if (hh < 0)
    {
        OS_Panic("ARM9: Fail to create heap...\n");
    }
    hh = OS_SetCurrentHeap(OS_ARENA_MAIN, hh);
}