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Re: How do I get rid of a memory hole(in cortexm0plus)?

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Il giorno lunedì 31 ottobre 2016 10:24:15 UTC+1, David Brown ha scritto:

> The "fconf" section here must be at that specific address.  Although the
> OP doesn't say so, I expect this is a Freescale/NXP Kinetis
> microcontroller.  The microcontroller uses the configuration at that
> specific address to determine things like flash security.

I supposed so.
But if I remember correctly the place is not fixed and can be changed.

you should be able to to something like:

__start_fconf = .; #this is the address where fconf begins
KEEP(*(.fconf)) 
__end_fconf = .;   #this is the address after the end of fconf

maybe some ALIGN() before or after is needed.
And use __start_fconf as address in C code to access the needed bytes.

For more info (for example):
<http://www.nxp.com/files/soft_dev_tools/doc/app_note/AN4498.pdf?fasp=1&WT_TYPE=Application%20Notes&WT_VENDOR=FREESCALE&WT_FILE_FORMAT=pdf&WT_ASSET=Documentation&fileExt=.pdf>

Bye Jack

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How do I get rid of a memory hole(in cortexm0plus)? Johann Klammer <klammerj@NOSPAM.a1.net> - 2016-10-30 09:29 +0100
  Re: How do I get rid of a memory hole(in cortexm0plus)? David Brown <david.brown@hesbynett.no> - 2016-10-30 16:50 +0100
  Re: How do I get rid of a memory hole(in cortexm0plus)? Jack <jack4747@gmail.com> - 2016-10-31 01:16 -0700
    Re: How do I get rid of a memory hole(in cortexm0plus)? David Brown <david.brown@hesbynett.no> - 2016-10-31 10:24 +0100
      Re: How do I get rid of a memory hole(in cortexm0plus)? Jack <jack4747@gmail.com> - 2016-10-31 02:43 -0700
        Re: How do I get rid of a memory hole(in cortexm0plus)? David Brown <david.brown@hesbynett.no> - 2016-10-31 11:12 +0100
          Re: How do I get rid of a memory hole(in cortexm0plus)? Jack <jack4747@gmail.com> - 2016-10-31 05:11 -0700
            Re: How do I get rid of a memory hole(in cortexm0plus)? Jack <jack4747@gmail.com> - 2016-10-31 05:23 -0700
              Re: How do I get rid of a memory hole(in cortexm0plus)? David Brown <david.brown@hesbynett.no> - 2016-10-31 14:24 +0100

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