/*****************************************************************
 * Initialize data: copy data 
 * from __data_load_start ( = _etext) to __data_start
 * can be overwriten by user function with the same name
 *****************************************************************/
        .section .init4, "ax", @progbits

        .weak   __do_copy_data
        .func   __do_copy_data

__do_copy_data:
        mov     #__data_size, r15
        tst     r15
        jz      .L__copy_data_end
.L__copy_data_loop:
        decd    r15
#if defined(__MSP430X__) && !defined(__MSP430X_ADDR_16BIT__)
        ; __data_load_start can be anywhere, use 430X instruction
        movx.w  __data_load_start(r15), __data_start(r15)    ; data section is word-aligned, so word transfer is acceptable
#else
        ; __data_load_start is in lower 64K, RAM is in lower 64K, use 430 instruction
        mov.w   __data_load_start(r15), __data_start(r15)    ; data section is word-aligned, so word transfer is acceptable
#endif
        jne     .L__copy_data_loop
.L__copy_data_end:

        .endfunc