Simple interfacing between Avalon MM Slave and ARM HPS

Hi to every one! I'm attempting to do something similar to this question.. I want read/write QSYS on chip memory dual access from HPS running a C app under Linux

I make a bootable sd card with angstrom 2018.06 and it runs fine on my self-developed card with CycloneV Soc (!! hard work but it is done!!)

So, I connected DS-5 V29 to my card via remote system SH Connection, it works fine following Hello Word for Linux app tutorial!! DS-5 woks well.

Then I search to access to ONCHIP mem follwoing examples from LED access as you show here ! Virtual memory access and so on

MY PROBLEM is to determine a valid environment IN DS-5 to do it, in terms of libs to include!!!! THERE IS A BUNCH of mman.h, fcntl,h etc etc.. they are under my Linaro distro spl directory

• If I use GCC compiler , I obtain errors on valid simple code C and I must use ARM-5 compiler
• Then, I use ARM-5 compiler, but it doenst' find std.io basic libraries, options 0_SYNC and other options in mmap(NULL, len , PROT_READ|PROT_WRITE, MAP_SHARED , fd , 0) are not acks correctly
• THERE IS A OVERVIEW OR A MANUAL TO CREATE A RELIABLE DS-5 ENVIRONMENT to works fine writing HPS C APP???? It is difficult to link and search a bunch of libraries without a guide! Linux libs for mman.h are interconnetcted and so cannot be simply copied under the project folder, but probavly they must set as path..
• I cannot find any tutorial about this issue!

Do you have solved this bunch?

Thanks in advance for any suggestion!