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Diffstat (limited to 'src/rv32.tex')
| -rw-r--r-- | src/rv32.tex | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/rv32.tex b/src/rv32.tex index 9099a30..60723b6 100644 --- a/src/rv32.tex +++ b/src/rv32.tex @@ -1340,6 +1340,10 @@ supervisor-level operating system or debugger. ebreak # Break to debugger srai x0, x0, 7 # NOP encoding the semihosting call number 7 \end{verbatim} + Note that these three instructions must be 32-bit-wide instructions, + i.e., they mustn't be among the compressed 16-bit instructions + described in Chapter~\ref{compressed}. + The shift NOP instructions are still considered available for use as HINTS. |