Unit 05 Errors?

dylancvdean

Hi,

Noticed a couple issues with unit 05. First, and of note to students, is that in the section titled "The Zicsr Extension" a line reads:

"CSRR simply reads the csr to rd, and is encoded as CSRR rd x0 csr."

The line should read

"CSRR simply reads the csr to rd, and is encoded as CSRRS rd x0 csr."

Additionally, the section “The D Extension” contains an incomplete paragraph, with the final sentence “Note that some instructions, like those that move.”

manuelmmc

Right now I'm at "More Instructions in the F Extension", which mentions the R4-type format, but shows the wrong format.
The correct R4-type format has an rs3 field instead of the funct5 field (bits 31-27).