Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

Porting non-mmu code to MMU -- MMU memcpy SEGV

Thanks in Advance. With the non-mmu nios2 our design defined sdram regions that we utilized for buffers in our custom device driver. **** device driver sharedMem = kmalloc( SHARED_MEMSIZE...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

Thanks! I figured there was a way.

Now - my mapping needs to be fixed because this buffer is used in a contiguous manner in the firmware.

So, I'm assuming that this command WILL adhere to that because I have already allocated this area in my device driver? and I'll use: MAP_FIXED with the address.