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Altera_Forum
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14 years ago

Bootloader Elf2Hex Woes

I'm trying to do the seemingly simple task of putting the nios code in fpga ram blocks, and at power-on, the bootloader should copy the code from on-chip memory to external sram. In the sopc I ...
Altera_Forum's avatar
Altera_Forum
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14 years ago

A carefully crafted linker script should let you link most of your code to run from the SRAM address (while being loaded into the internale memory), then just add a small piece of code at the reset vector to copy the code to SRAM.

But I do wonder why you want to do this.

If your code fits in internal memory then I would make it a tightly coupled instruction memory and execute from there - removing the i-cache.

Unless you are later using the memory for something which has to be internal.