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Access x86 Shared PCIe Memory from Host

I am using MCSDK Video application v2.2 & I am trying to allocate memory on DSP in x86 shared region (shared_mem_x86). How can I access the memory on Host Application?

On Host, using dnldmgr_get_symbol_address(), I have accessed the Buffer Address allocated from DSP, but I could not see the data updated from DSP.

Note : The same buffer, if allocated from DDR (insted of x86 region) on DSP, I can able to see the updated data on Host.