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| author | Krste Asanovic <krste@eecs.berkeley.edu> | 2018-08-26 16:29:25 -0700 |
|---|---|---|
| committer | Krste Asanovic <krste@eecs.berkeley.edu> | 2018-08-26 16:29:25 -0700 |
| commit | 4cc3c1e5b4241b0fbbd36b85f54b6a02218ee421 (patch) | |
| tree | 5a2592c68fc4d679c2082ad89bdffb3dcef588f9 | |
| parent | 9cf5c8e3eff9973bb97869419c4375fabd6e64b8 (diff) | |
| parent | d0b01fde5f10730ce898124633ac898850b31323 (diff) | |
| download | riscv-isa-manual-4cc3c1e5b4241b0fbbd36b85f54b6a02218ee421.zip riscv-isa-manual-4cc3c1e5b4241b0fbbd36b85f54b6a02218ee421.tar.gz riscv-isa-manual-4cc3c1e5b4241b0fbbd36b85f54b6a02218ee421.tar.bz2 | |
Merge branch 'master' of github.com:riscv/riscv-isa-manual
| -rw-r--r-- | src/instr-table.tex | 12 | ||||
| -rw-r--r-- | src/rv32.tex | 4 |
2 files changed, 9 insertions, 7 deletions
diff --git a/src/instr-table.tex b/src/instr-table.tex index fb312e3..bf2fb3e 100644 --- a/src/instr-table.tex +++ b/src/instr-table.tex @@ -433,20 +433,18 @@ \multicolumn{2}{|c|}{fm} & \multicolumn{3}{c|}{pred} & \multicolumn{1}{c|}{succ} & -\multicolumn{1}{c|}{00000} & +\multicolumn{1}{c|}{rs1} & \multicolumn{1}{c|}{000} & -\multicolumn{1}{c|}{00000} & +\multicolumn{1}{c|}{rd} & \multicolumn{1}{c|}{0001111} & FENCE \\ \cline{2-11} & -\multicolumn{2}{|c|}{0000} & -\multicolumn{3}{c|}{0000} & -\multicolumn{1}{c|}{0000} & -\multicolumn{1}{c|}{00000} & +\multicolumn{6}{|c|}{imm[11:0]} & +\multicolumn{1}{c|}{rs1} & \multicolumn{1}{c|}{001} & -\multicolumn{1}{c|}{00000} & +\multicolumn{1}{c|}{rd} & \multicolumn{1}{c|}{0001111} & FENCE.I \\ \cline{2-11} 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. |