/*---------------------------------------------------------------------------*
  Project:  NintendoWare
  File:     gfx_MemoryUtil.cpp

  Copyright (C)2009-2010 Nintendo Co., Ltd./HAL Laboratory, Inc.  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.

  $Revision: 23207 $
 *---------------------------------------------------------------------------*/

#include "precompiled.h"

#include <nw/gfx/gfx_MemoryUtil.h>

namespace nw
{
namespace gfx
{
namespace internal
{

#include <nn/hw/ARM/code32.h>

asm void
copy_asm_declarations()
{
    MACRO
    COPY8WORD
    LDM r1!,{r2-r5}
    PLD [r1, #0x40]
    LDM r1!,{r9-r12}
    STM r0!,{r2-r5}
    STM r0!,{r9-r12}
    MEND

    MACRO
    COPY6WORD
    LDM r1!,{r2-r5}
    LDM r1!,{r11-r12}
    STM r0!,{r2-r5}
    STM r0!,{r11-r12}
    MEND

    MACRO
    COPY4WORD
    LDM r1!,{r2-r3}
    LDM r1!,{r11-r12}
    STM r0!,{r2-r3}
    STM r0!,{r11-r12}
    MEND

    MACRO
    COPY2WORD
    LDM r1!,{r2}
    LDM r1!,{r3}
    STM r0!,{r2}
    STM r0!,{r3}
    MEND

    MACRO
    COPYNWORD $val
    PUSH {r4-r5,r9-r11}

    LCLA count
count SETA $val
    WHILE count >= 8
count SETA count-8
    COPY8WORD
    WEND

    IF count == 2
        COPY2WORD
    ELSE
      IF count == 4
          COPY4WORD
      ELSE
          IF count == 6
              COPY6WORD
          ENDIF
      ENDIF
    ENDIF

    POP {r4-r5,r9-r11}
    BX          lr
    MEND
}

#define DECL_SUB(size) \
asm u32* FastWordCopyAsm_##size(u32* /*dst*/, u32* /*src*/) \
{ \
    COPYNWORD size \
}

DECL_SUB(2)
DECL_SUB(4)
DECL_SUB(6)
DECL_SUB(8)
DECL_SUB(10)
DECL_SUB(12)
DECL_SUB(14)
DECL_SUB(16)
DECL_SUB(18)
DECL_SUB(20)
DECL_SUB(22)
DECL_SUB(24)
DECL_SUB(26)
DECL_SUB(28)
DECL_SUB(30)
DECL_SUB(32)
DECL_SUB(34)
DECL_SUB(36)
DECL_SUB(38)
DECL_SUB(78)

#undef DECL_SUB

#include <nn/hw/ARM/codereset.h>

} // namespace internal
} // namespace gfx
} // namespace nw