adsp-ts101_c.ldf

ADI TS系列的DSP FFT源代码

ARCHITECTURE(ADSP-TS101)

#ifndef __NO_STD_LIB
SEARCH_DIR( $ADI_DSP/TS/lib )
#endif

// Set this macro if you want to use the run-time support libraries that
// contain workarounds, including not using predicted branches.
//          "-flags-link -MD__WORKAROUNDS_ENABLED"
//   in the IDDE, add -MD__WORKAROUNDS_ENABLED to the linker additional
//   options.
// For ADSP-TS101 no silicon revision or silicon revisions 0.2 and 
// later this option is not passed to the linker by default.

#ifndef __WORKAROUNDS_ENABLED
#define _PREDICTED_BRANCH_LIBS
#endif  // !__WORKAROUNDS_ENABLED

// Libsim provides fast, mostly host emulated IO only supported by
// the simulator. The libio library provides IO processing (including 
// file support) mostly done by the TigerSHARC target that is supported 
// by the emulator and simulator. Libio together with libsim is the 
// default used, but if __USING_LIBSIM is defined only libsim will be used.
//   From the driver command line, use options,
//          "-flags-link -MD__USING_LIBSIM=1"
//   in the IDDE, add -MD__USING_LIBSIM=1 to the linker additional
//   options

#ifndef __USING_LIBSIM
#ifdef _PREDICTED_BRANCH_LIBS
 #ifdef __TS_BYTE_ADDRESS
  $IOLIB     = libio_TS101_ba.dlb;
  $IOLIB_MT  = libio_TS101_mt_ba.dlb;
 #else
  // default option, using libio and libsim
  $IOLIB     = libio_TS101.dlb;
  $IOLIB_MT  = libio_TS101_mt.dlb.dlb;
 #endif  // __TS_BYTE_ADDRESS
#else
 #ifdef __TS_BYTE_ADDRESS
  $IOLIB     = libio_TS101_ba_np.dlb;
  $IOLIB_MT  = libio_TS101_mt_ba_np.dlb;
 #else
  $IOLIB     = libio_TS101_np.dlb;
  $IOLIB_MT  = libio_TS101_mt_np.dlb;
 #endif  // __TS_BYTE_ADDRESS
#endif  // _PREDICTED_BRANCH_LIBS
#else  
  // using only libsim
  $IOLIB     = ;
  $IOLIB_MT  = ;
#endif //  __USING_LIBSIM

$MEMINIT = meminit_ts101.doj;
$MEMINIT_NP = meminit_ts101_np.doj;

#ifdef __TS_BYTE_ADDRESS
$LIBC = libc_TS101_ba.dlb;
$LIBC_MT =  libc_TS101_mt_ba.dlb;
$LIBC_NP = libc_TS101_ba_np.dlb;
$LIBC_MT_NP =  libc_TS101_mt_ba_np.dlb;
$LIBDSP    =  libdsp_TS101_ba.dlb;
$LIBDSP_NP =  libdsp_TS101_ba_np.dlb;
$LIBCPP       = libcpprt_TS101_ba.dlb;
$LIBCPP_MT    = libcpprt_TS101_mt_ba.dlb;
$LIBCPP_NP    = libcpprt_TS101_ba_np.dlb;
$LIBCPP_MT_NP = libcpprt_TS101_mt_ba_np.dlb;
$EXIT         = ts_exit_TS101_ba.doj;
$EXIT_MT      = ts_exit_TS101_mt_ba.doj;
$EXIT_NP      = ts_exit_TS101_ba_np.doj;
$EXIT_MT_NP   = ts_exit_TS101_mt_ba_np.doj;
$HDR          = ts_hdr_TS101_ba.doj;
$HDR_MT       = ts_hdr_TS101_mt_ba.doj;
$HDR_NP       = ts_hdr_TS101_ba_np.doj;
$HDR_MT_NP    = ts_hdr_TS101_mt_ba_np.doj;
#else
$LIBC = libc_TS101.dlb;
$LIBC_MT = libc_TS101_mt.dlb;
$LIBC_NP = libc_TS101_np.dlb;
$LIBC_MT_NP = libc_TS101_mt_np.dlb;
$LIBDSP    =  libdsp_TS101.dlb;
$LIBDSP_NP =  libdsp_TS101_np.dlb;
$LIBCPP       = libcpprt_TS101.dlb;
$LIBCPP_MT    = libcpprt_TS101_mt.dlb;
$LIBCPP_NP    = libcpprt_TS101_np.dlb;
$LIBCPP_MT_NP = libcpprt_TS101_mt_np.dlb;
$EXIT         = ts_exit_TS101.doj;
$EXIT_MT      = ts_exit_TS101_mt.doj;
$EXIT_NP      = ts_exit_TS101_np.doj;
$EXIT_MT_NP   = ts_exit_TS101_mt_np.doj;
$HDR          = ts_hdr_TS101.doj;
$HDR_MT       = ts_hdr_TS101_mt.doj;
$HDR_NP       = ts_hdr_TS101_np.doj;
$HDR_MT_NP    = ts_hdr_TS101_mt_np.doj;
#endif  // __TS_BYTE_ADDRESS

// Libraries from the command line are included in COMMAND_LINE_OBJECTS.
// The order of the default libraries within $OBJECTS is header/startup, 
// libc, I/O libraries, libdsp, libcpp and exit routine. 
// This order has to be maintained.

#ifdef _PREDICTED_BRANCH_LIBS
#ifdef _ADI_THREADS
  // This list describes the libraries/ object files used to build programs
  // with thread support. Any custom file that falls into this category 
  // should be added here.
  $OBJECTS = $HDR_MT, $COMMAND_LINE_OBJECTS, $MEMINIT, $EXIT_MP;
  $LIBRARIES = $LIBC_MT, $IOLIB_MT, $LIBDSP,
               $LIBCPP_MT, libsim.dlb;
#else
  // This list describes the libraries/ object files used to build programs
  // without thread support. Any custom file that falls into this category
  // should be added here.
  $OBJECTS = $HDR, $COMMAND_LINE_OBJECTS, $MEMINIT, $EXIT;
  $LIBRARIES = $LIBC, $IOLIB,  $LIBDSP,
               $LIBCPP, libsim.dlb;
#endif  // _ADI_THREADS
#else  // _PREDICTED_BRANCH_LIBS
#ifdef _ADI_THREADS
  // This list describes the libraries/ object files used to build programs
  // with thread support. Any custom file that falls into this category 
  // should be added here.
  $OBJECTS = $HDR_MT_NP, $COMMAND_LINE_OBJECTS, $MEMINIT_NP, $EXIT_MT_NP;
  $LIBRARIES = $LIBC_MT_NP, $IOLIB_MT, $LIBDSP_NP,
               $LIBCPP_MT_NP, libsim.dlb;
#else  
  // This list describes the libraries/ object files used to build programs
  // without thread support. Any custom file that falls into this category
  // should be added here.
  $OBJECTS = $HDR_NP, $COMMAND_LINE_OBJECTS, $MEMINIT_NP, $EXIT_NP;
  $LIBRARIES = $LIBC_NP, $IOLIB,  $LIBDSP_NP,
               $LIBCPP_NP, libsim.dlb;
#endif  // _ADI_THREADS
#endif  // _PREDICTED_BRANCH_LIBS


// Internal memory blocks are 0x10000 (64k)

MEMORY
 
{
    M0Code      { TYPE(RAM) START(0x00000000) END(0x0000FFFF) WIDTH(32) }
    M1Data      { TYPE(RAM) START(0x00080000) END(0x0008BFFF) WIDTH(32) }
    M1Heap      { TYPE(RAM) START(0x0008C000) END(0x0008C7FF) WIDTH(32) }
    M1Stack     { TYPE(RAM) START(0x0008C800) END(0x0008FFFF) WIDTH(32) }
    M2Data      { TYPE(RAM) START(0x00100000) END(0x0010BFFF) WIDTH(32) }
    M2Stack     { TYPE(RAM) START(0x0010C000) END(0x0010FFFF) WIDTH(32) }
    SDRAM       { TYPE(RAM) START(0x04000000) END(0x07FFFFFF) WIDTH(32) }
    MS0         { TYPE(RAM) START(0x08000000) END(0x0BFFFFFF) WIDTH(32) }
    MS1         { TYPE(RAM) START(0x0C000000) END(0x0FFFFFFF) WIDTH(32) }
// Memory blocks need to be less than 2 Gig.
    HOST        { TYPE(RAM) START(0x10000000) END(0x2FFFFFFF) WIDTH(32) }
    HOST1       { TYPE(RAM) START(0x30000000) END(0x4FFFFFFF) WIDTH(32) }
    HOST2       { TYPE(RAM) START(0x50000000) END(0x6FFFFFFF) WIDTH(32) }
    HOST3       { TYPE(RAM) START(0x70000000) END(0x8FFFFFFF) WIDTH(32) }
    HOST4       { TYPE(RAM) START(0x90000000) END(0xAFFFFFFF) WIDTH(32) }
    HOST5       { TYPE(RAM) START(0xB0000000) END(0xCFFFFFFF) WIDTH(32) }
    HOST6       { TYPE(RAM) START(0xD0000000) END(0xEFFFFFFF) WIDTH(32) }
    HOST7       { TYPE(RAM) START(0xF0000000) END(0xFFFFFFFF) WIDTH(32) }
}

PROCESSOR p0
{
          RESOLVE( _____system_start, 0x00000000 )
          KEEP( _____system_start, _main, ___ctor_end, __sw_handler_ctor )

    OUTPUT( $COMMAND_LINE_OUTPUT_FILE )

    SECTIONS
    {
        code
        {
            FILL(0xb3c00000)
            INPUT_SECTION_ALIGN(4)
            INPUT_SECTIONS( $OBJECTS(program) $LIBRARIES(program) )
            // The next line adds 8 nops to the end of the code section.
            // This is required on TS101 to prevent uninitialised memory
            // getting into the pipeline.
            . = . + 8;
        } >M0Code

        // Provide support for initialization, including C++ static
        // initialization. This section builds a table of
        // initialization function pointers. These functions are
        // called in order before the main routine is entered. The
        // order is determined by the linker section in which the
        // function pointer has been defined: the C library uses
        // ctor0 through ctor4, and the compiler uses ctor for C++
        // static initializers. The C library uses several sections
        // to satisfy ordering requirements among initializers.

        ctor
        {
            INPUT_SECTIONS( $OBJECTS(ctor0) $LIBRARIES(ctor0) )
            INPUT_SECTIONS( $OBJECTS(ctor1) $LIBRARIES(ctor1) )
            INPUT_SECTIONS( $OBJECTS(ctor2) $LIBRARIES(ctor2) )
            INPUT_SECTIONS( $OBJECTS(ctor3) $LIBRARIES(ctor3) )
            INPUT_SECTIONS( $OBJECTS(ctor4) $LIBRARIES(ctor4) )
            INPUT_SECTIONS( $OBJECTS(ctor) $LIBRARIES(ctor) )
            INPUT_SECTIONS( $OBJECTS(ctorl) $LIBRARIES(ctorl) )
        } >M1Data

        // Table containing heap segment descriptors
        heaptab
        {
            INPUT_SECTIONS( $OBJECTS(heaptab) $LIBRARIES(heaptab) )
        } >M1Data

        data1ab
        {
            INPUT_SECTIONS( $OBJECTS(data1ab))
        } >M1Data

        data3ab
        {
            INPUT_SECTIONS( $OBJECTS(data3ab))
        } >M1Data

        data2ab
        {
            INPUT_SECTIONS( $OBJECTS(data2ab))
        } >M2Data


        data1
        {
            INPUT_SECTIONS( $OBJECTS(data1) $LIBRARIES(data1) )
        } >M1Data


        bsz_init
        {
            INPUT_SECTIONS( $OBJECTS(bsz_init) $LIBRARIES(bsz_init))
        } >M1Data

        .meminit {} >M1Data

        bsz ZERO_INIT
        {
            INPUT_SECTIONS( $OBJECTS(bsz) $LIBRARIES(bsz) )
        } >M1Data

        MEM_ARGV
        {
            INPUT_SECTIONS( $OBJECTS(MEM_ARGV) $LIBRARIES(MEM_ARGV) )
        } >M1Data

        data6b
        {
            INPUT_SECTIONS( $OBJECTS(data6b))
        } >M2Data

        data2
        {
            INPUT_SECTIONS( $OBJECTS(data2) $LIBRARIES(data2) )
        } >M2Data

        // Allocate stacks for the application. Note that stacks
        // grow downward, and must be quad-word aligned. This means
        // that the location just after the highest word of the stack
        // is quad-word aligned (evenly divisible by 4). There are two
        // labels for each stack: "*_base" is the location just ABOVE
        // the top of the stack, and "*_limit" is the lowest word that
        // is part of the stack. Each stack occupies all of its own
        // memory block.

        jstackseg
        {
            ldf_jstack_limit = .;
            ldf_jstack_base = . + MEMORY_SIZEOF(M1Stack);
        } >M1Stack

        kstackseg
        {
            ldf_kstack_limit = .;
            ldf_kstack_base = . + MEMORY_SIZEOF(M2Stack);
        } >M2Stack

        // The default heap occupies its own memory block
        defheapseg
        {
            ldf_defheap_base = .;
            ldf_defheap_size = MEMORY_SIZEOF(M1Heap);
        } >M1Heap
    }
}