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Altera_Forum's avatar
Altera_Forum
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11 years ago

NiosII memory reservation

Hello guys, I have a system running a NiosII processor. In my Qsys system I have connected one port of a dual-port-onchipmem to the Nios data master port and the second port has been exported...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

You don't want to "allocate" the dual port RAM - you most likely just want to refer to it through a pointer set to the corresponding xxx_BASE address that is automatically generated in the system.h file.

Something like: 


volatile uint8_t *my_dp_ram = (volatile uint8_t *)alt_remap_uncached(MY_DUAL_PORT_RAM_BASE, MY_DUAL_PORT_RAM_SIZE);