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Add CSRxx insns to encoding table

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John Winans 2020-10-23 17:56:55 -05:00
parent 2f04f5a632
commit 95f74223fa
1 changed files with 31 additions and 1 deletions
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32
book/insnformats.tex
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@ -851,6 +851,25 @@
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% #1 opcode
% #2 func3
% #3 mnemonic
% #4 args
% #5 rs1/zimm
\newcommand\DrawInsnOpITypeSystem[5]{
\DrawInsnBoxRel{31}{20}{csr[11:0]}
\DrawInsnBoxRel{19}{15}{#5}
\DrawInsnBoxRel{14}{12}{}
\DrawInsnBoxRel{11}{7}{rd}
\DrawInsnBoxRel{6}{0}{}
\draw(\InsnBoxTypePosY,.75) node[right]{\hyperref[insnformat:itype]{I-type}};
\draw(\InsnBoxMnemonicPosY,.75) node[right]{\tt #3};
\draw(\InsnBoxMnemonicArgPosY,.75) node[right]{\tt #4};
\begin{scope}[shift={(31-6,0)}]\DrawBitstringX{#1}\end{scope}
\begin{scope}[shift={(31-14,0)}]\DrawBitstringX{#2}\end{scope}
}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% #1 opcode
% #2 func3
% #3 func7
% #4 mnemonic
% #5 args
@ -1059,7 +1078,17 @@
\newcommand\DrawAllInsnOpsSim{
\begin{scope}[shift={(0,0)}]\DrawInsnOpSysType{1110011}{000000000000}{\hyperref[insn:ecall]{ecall}}\end{scope}
\begin{scope}[shift={(0,-1.5)}]\DrawInsnOpSysType{1110011}{000000000001}{\hyperref[insn:ebreak]{ebreak}}\end{scope}
\begin{scope}[shift={(0,-1.5)}]\DrawHexMarkersRel{32}\end{scope}
% \begin{scope}[shift={(0,-1.5)}]\DrawHexMarkersRel{32}\end{scope}
}
\newcommand\DrawAllInsnOpsSystem{
\begin{scope}[shift={(0,0)}]\DrawInsnOpITypeSystem{1110011}{001}{\hyperref[insn:csrrw]{csrrw}}{rd,\hyperref[csr.i:decode]{csr},rs1}{rs1}\end{scope}
\begin{scope}[shift={(0,-1.5)}]\DrawInsnOpITypeSystem{1110011}{010}{\hyperref[insn:csrrs]{csrrs}}{rd,\hyperref[csr.i:decode]{csr},rs1}{rs1}\end{scope}
\begin{scope}[shift={(0,-3.0)}]\DrawInsnOpITypeSystem{1110011}{011}{\hyperref[insn:csrrc]{csrrc}}{rd,\hyperref[csr.i:decode]{csr},rs1}{rs1}\end{scope}
\begin{scope}[shift={(0,-4.5)}]\DrawInsnOpITypeSystem{1110011}{101}{\hyperref[insn:csrrwi]{csrrwi}}{rd,\hyperref[csr.i:decode]{csr},zimm}{zimm[4:0]}\end{scope}
\begin{scope}[shift={(0,-6.0)}]\DrawInsnOpITypeSystem{1110011}{110}{\hyperref[insn:csrrwi]{csrrwi}}{rd,\hyperref[csr.i:decode]{csr},zimm}{zimm[4:0]}\end{scope}
\begin{scope}[shift={(0,-7.5)}]\DrawInsnOpITypeSystem{1110011}{111}{\hyperref[insn:csrrwi]{csrrwi}}{rd,\hyperref[csr.i:decode]{csr},zimm}{zimm[4:0]}\end{scope}
\begin{scope}[shift={(0,-7.5)}]\DrawHexMarkersRel{32}\end{scope}
}
\newcommand\DrawAllInsnOps{
@ -1076,6 +1105,7 @@
\begin{scope}[shift={(0,-56.9)}]\DrawAllInsnOpsFence\end{scope}
\begin{scope}[shift={(0,-58.4)}]\DrawAllInsnOpsSim\end{scope}
\begin{scope}[shift={(0,-61.4)}]\DrawAllInsnOpsSystem\end{scope}
\EndTikzPicture
}