adp21161fft4.ldf

在ADSP-2126x上编写的优化过的FFT程序（用c和汇编编写）。

ARCHITECTURE(ADSP-21161)

//
// ADSP-21161 Memory Map:
//   ------------------------------------------------
//   Internal memory  0x0000 0000 to 0x000f ffff
//   ------------------------------------------------
//                    0x0000 0000 to 0x0001 ffff  IOP Regs
//           Block 0  0x0002 0000 to 0x0002 1fff  Long Word (64) Addresses
//                    0x0002 2000 to 0x0002 7fff  (reserved)
//           Block 1  0x0002 8000 to 0x0002 9fff  Long Word (64) Addresses
//                    0x0002 a000 to 0x0003 ffff  (reserved)
//           Block 0  0x0004 0000 to 0x0004 3fff  Normal Word (32/48) Addresses
//                    0x0004 4000 to 0x0004 ffff  (reserved)
//           Block 1  0x0005 0000 to 0x0005 3fff  Normal Word (32/48) Addresses
//                    0x0005 4000 to 0x0007 ffff  (reserved)
//           Block 0  0x0008 0000 to 0x0008 7fff  Short Word (16) Addresses
//                    0x0008 8000 to 0x0009 ffff  (reserved)
//           Block 1  0x000a 0000 to 0x000a 7fff  Short Word (16) Addresses
//                    0x000a 8000 to 0x000f ffff  (reserved)
//   ------------------------------------------------
//   Multiproc memory 0x0010 0000 to 0x007f ffff
//   ------------------------------------------------
//                    0x0010 0000 to 0x0011 ffff  2116x ID=001 Internal memory
//                    0x0012 0000 to 0x0013 ffff  2116x ID=010 Internal memory
//                    0x0014 0000 to 0x0015 ffff  2116x ID=011 Internal memory
//                    0x0016 0000 to 0x0017 ffff  2116x ID=100 Internal memory
//                    0x0018 0000 to 0x0019 ffff  2116x ID=101 Internal memory
//                    0x001a 0000 to 0x001b ffff  2116x ID=110 Internal memory
//                    0x001c 0000 to 0x001f ffff  2116x ID=all Internal memory
//   ------------------------------------------------
//   External memory  0x0020 0000 to 0xffff ffff
//   ------------------------------------------------
//
// This architecture file allocates:
//         Internal 256 words of run-time header in memory block 0
//                  256 words of initialization code in memory block 0
//                   6K words of C code space in memory block 0
//                   6K words of C PM data space in memory block 0
//                   8K words of C DM data space in memory block 1
//                   4K words of C heap space in memory block 1
//                   4K words of C stack space in memory block 1

#ifdef __swfa
SEARCH_DIR( $ADI_DSP\211xx\lib\swfa )
#else
SEARCH_DIR( $ADI_DSP\211xx\lib )
#endif

#ifdef _ADI_THREADS
#ifdef __ADI_LIBEH__
$LIBRARIES = libehmt.dlb, libc161mt.dlb, libiomt.dlb, libdsp160.dlb;
#else
$LIBRARIES = libc161mt.dlb, libiomt.dlb, libdsp160.dlb;
#endif
#else
#ifdef __ADI_LIBEH__
$LIBRARIES = libeh.dlb, libc161.dlb, libio.dlb, libdsp160.dlb;
#else
$LIBRARIES = libc161.dlb, libio.dlb, libdsp160.dlb;
#endif
#endif

// Libraries from the command line are included in COMMAND_LINE_OBJECTS.
#ifdef __ADI_LIBEH__
$OBJECTS = 161_hdr_adamagic.doj, $COMMAND_LINE_OBJECTS;
#else
$OBJECTS = 161_hdr.doj, $COMMAND_LINE_OBJECTS;
#endif

MEMORY
{
#ifdef __EZKIT_LICENSE_RESTRICTION_SHARC__

  // Only 5K available for PM

  seg_rth  { TYPE(PM RAM) START(0x00040000) END(0x000400ff) WIDTH(48) }
  seg_init { TYPE(PM RAM) START(0x00040100) END(0x000401ff) WIDTH(48) }
  seg_pmco { TYPE(PM RAM) START(0x00040200) END(0x00040fab) WIDTH(48) }
  seg_pmda { TYPE(PM RAM) START(0x00041782) END(0x00041b58) WIDTH(32) }

#else

	seg_rth  { TYPE(PM RAM) START(0x00040000) END(0x000400ff) WIDTH(48) }
	seg_init { TYPE(PM RAM) START(0x00040100) END(0x000401ff) WIDTH(48) }
	seg_pmco { TYPE(PM RAM) START(0x00040200) END(0x000419ff) WIDTH(48) }
	seg_pmda { TYPE(PM RAM) START(0x00042700) END(0x00043fff) WIDTH(32) }

#endif

	seg_dmda { TYPE(DM RAM) START(0x00050000) END(0x00051fff) WIDTH(32) }
	seg_heap { TYPE(DM RAM) START(0x00052000) END(0x00052fff) WIDTH(32) }
	seg_stak { TYPE(DM RAM) START(0x00053000) END(0x00053fff) WIDTH(32) }
}



PROCESSOR P0
{
    KEEP( _main,___ctor_NULL_marker,___lib_end_of_heap_descriptions )
    OUTPUT( $COMMAND_LINE_OUTPUT_FILE )

    SECTIONS
    {
		// .text output section
		seg_rth
		{
			INPUT_SECTIONS( $OBJECTS(seg_rth) $LIBRARIES(seg_rth))
		} >seg_rth

		seg_init
		{
			ldf_seginit_space = . ;
			INPUT_SECTIONS( $OBJECTS(seg_init) $LIBRARIES(seg_init))
		} >seg_init

		seg_pmco
		{
			INPUT_SECTIONS( $OBJECTS(seg_pmco) $LIBRARIES(seg_pmco))
		} >seg_pmco

		seg_pmda
		{
			INPUT_SECTIONS( $OBJECTS(seg_pmda) $LIBRARIES(seg_pmda))
		} >seg_pmda

		seg_dmda
		{
			INPUT_SECTIONS( $OBJECTS(seg_dmda) $LIBRARIES(seg_dmda))
		} > seg_dmda

#ifdef __ADI_LIBEH__
    .gdt
    {
      INPUT_SECTIONS( $OBJECTS(.gdt) $LIBRARIES(.gdt))
    } > seg_dmda

    .frt
    {
      INPUT_SECTIONS( $OBJECTS(.frt) $LIBRARIES(.frt))
    } > seg_dmda

    .cht
    {
      INPUT_SECTIONS( $OBJECTS(.cht) $LIBRARIES(.cht))
    } > seg_dmda

    .edt
    {
      INPUT_SECTIONS( $OBJECTS(.edt) $LIBRARIES(.edt))
    } > seg_dmda
#endif

		stackseg
		{

			// allocate a stack for the application
			ldf_stack_space = .;
			ldf_stack_length = MEMORY_SIZEOF(seg_stak);
		} > seg_stak

		heap
		{
			// allocate a heap for the application
			ldf_heap_space = .;
			ldf_heap_length = MEMORY_SIZEOF(seg_heap);
			ldf_heap_end = ldf_heap_space + ldf_heap_length - 1;       
		} > seg_heap
		
    }
}