CPU Special Registers

[MFija]

Hi there,

what kind of special registers are inside the NIOS II (SoC) and what are they used for?

Are they different from a regular CPU special registers?

best regards,

Mateusz

[Ahmed_H_Intel1]

Hi, NIOS II is a soft core processor, while SoC is ARM based hard core processor. May I know which processor are you looking for?

[MFija]

NIOS II

[Ahmed_H_Intel1]

Good, Can you please explain more your question? it is a very generic question for me. There are many purpose for registers like (status, control, id and etc) Can you please tell me what you are looking for?

[MFija]

I meant this which are used by ALU like flag, accumulator.

[Ahmed_H_Intel1]

Hi, It is still a generic question, Can you please check the following references for more information about NIOS II: https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/hb/nios2/n2sw_nii5v2gen2.pdf https://www.intel.com/content/www/us/en/programmable/documentation/iga1409256728501.html#iga1409335505730 Please if you have any issue regarding using any register let us know. It is a pleasure to answer your questions.