Compiler/LAUNCHXL-F28069M: Flash Occupancy in ".map" file

user4957458

Part Number: LAUNCHXL-F28069M
Other Parts Discussed in Thread: C2000WARE

Tool/software: TI C/C++ Compiler

Hi All

After compiling a program in which the ".cmd" file have defined the Flash sectors I noticed that all Flash sectors in the ".map" file are empty.

That is normal? I put several functions in "ramfuncs" that is in RAM but them must be copied from Flash first (I suppose).

Can anyone give some information on this?

Thanks

Luis Gonçalves

over 8 years ago

0 Baskaran Chidambaram over 8 years ago

TI__Genius 17370 points

Hello,
I am writing to let you know that a C2000 team member has been assigned to this post and should be answering shortly.

Regards
Baskaran

0 Christopher Chiarella over 8 years ago

TI__Mastermind 30255 points

Hello

You should see that some memory is used in the flash sections in the MAP file. Do you have .text, .cinit, .pinit, .econst, etc assigned to the flash sections in the linker?

Best regards
Chris

0 user4957458 over 8 years ago in reply to Christopher Chiarella

Expert 1065 points

Chris

Please see, my .cmd files and the .map file. Please, Can you find issues on them?

luisgo.dyndns.org/.../xxxxxxx.map

luisgo.dyndns.org/.../f28069M_ram_lnk.cmd

luisgo.dyndns.org/.../F2809.cmd

luisgo.dyndns.org/.../F2806x_Headers_nonBIOS.cmd

Thanks

Luis Gonçalves

0 George Mock over 8 years ago in reply to user4957458

TI__Guru**** 249420 points

It appears you are using all 3 of these linker command files. I doubt that is correct. One of the C2000 device experts will have to tell you which linker command file(s) to use in your situation.

Thanks and regards,

-George

0 user4957458 over 8 years ago in reply to George Mock

Expert 1065 points

It compiles well with the three. Seems that each gives uncoupled and different information to the compiler. Despite compiling well I did not tried to offload to the board. As my first post, it seems strange that the FLASH has o occupancy

0 Christopher Chiarella over 8 years ago in reply to user4957458

TI__Mastermind 30255 points

Your issue is two things.
1. You are using the f28069m RAM linker which places code in RAM and not flash. You can either edit that or replace with the "F28069M.cmd" in C2000Ware under device support/f2806x/common/cmd
2. "F2809.cmd" is for a completely different device and shouldn't be used.

You should only have two linkers, one for the bit field headers and the other for all your other memory allocation.

Best regards
Chris

0 user4957458 over 8 years ago in reply to Christopher Chiarella

Expert 1065 points

Cris

It seems solved, thanks. I send now the updated .cmd files and .map files if you want to take a look (if any other issues). I changed F28069M.cmd in order to make the linking Ok.

luisgo.dyndns.org/.../F2806x_Headers_nonBIOS.cmd

http://luisgo.dyndns.org/down/F28069M.cmd

luisgo.dyndns.org/.../xxxxxxx2.map

Again Thanks

Luis Gonçalves