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Redesign the diagram for creating the shamt_i value

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This commit is contained in:
John Winans 2021-06-19 13:43:30 -05:00
parent 6f2b427bb5
commit 06c70cb33f
1 changed files with 59 additions and 40 deletions
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99
book/insnformats.tex
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@ -646,6 +646,10 @@
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Draw hex markers with a baseline at zero
% #1 The number of bits in the box
\newcommand\TheHexMark[1]{
\draw [line width=.5mm] (#1+.5,0) -- (#1+.5, .4);
}
\newcommand\DrawHexMarkersRel[1]{
\pgfmathsetmacro\num{int(#1-1)}
\foreach \x in {4,8,...,\num}
@ -1460,67 +1464,82 @@
\begin{scope}[shift={(0,-1.5)}]
\DrawInsnTypeI{0100000hijkl00011000001110000011}
\DrawInsnTypeI{0b00000hijkl00011000001110000011}
\pgfmathsetmacro\ArrowNorth{\BitBoxArrowTailInset}
\pgfmathsetmacro\ArrowSouth{\BitBoxArrowHeadInset}
\pgfmathsetmacro\ZeroNodeY{\ArrowSouth+4}
\pgfmathsetmacro\ZeroNodeX{1}
\node at (\ZeroNodeX,\ZeroNodeY) {0};
\draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=90](1,\ArrowSouth);
\draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=90](2,\ArrowSouth);
\draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=90](3,\ArrowSouth);
\draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=110](4,\ArrowSouth);
\draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=110](5,\ArrowSouth);
\draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=110](6,\ArrowSouth);
\draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=110](7,\ArrowSouth);
\draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=110](8,\ArrowSouth);
\draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=110](9,\ArrowSouth);
\draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=110](10,\ArrowSouth);
\draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=110](11,\ArrowSouth);
\draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=110](12,\ArrowSouth);
\draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=110](13,\ArrowSouth);
\draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=110](14,\ArrowSouth);
\draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=110](15,\ArrowSouth);
\draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=110](16,\ArrowSouth);
\draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=110](17,\ArrowSouth);
\draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=110](18,\ArrowSouth);
\draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=110](19,\ArrowSouth);
\draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=110](20,\ArrowSouth);
\draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=110](21,\ArrowSouth);
\draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=110](22,\ArrowSouth);
\draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=110](23,\ArrowSouth);
\draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=110](24,\ArrowSouth);
\draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=110](25,\ArrowSouth);
\draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=110](26,\ArrowSouth);
\draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=110](27,\ArrowSouth);
% \node at (\ZeroNodeX,\ZeroNodeY) {0};
% \draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=90](1,\ArrowSouth);
% \draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=90](2,\ArrowSouth);
% \draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=90](3,\ArrowSouth);
% \draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=110](4,\ArrowSouth);
% \draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=110](5,\ArrowSouth);
% \draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=110](6,\ArrowSouth);
% \draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=110](7,\ArrowSouth);
% \draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=110](8,\ArrowSouth);
% \draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=110](9,\ArrowSouth);
% \draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=110](10,\ArrowSouth);
% \draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=110](11,\ArrowSouth);
% \draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=110](12,\ArrowSouth);
% \draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=110](13,\ArrowSouth);
% \draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=110](14,\ArrowSouth);
% \draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=110](15,\ArrowSouth);
% \draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=110](16,\ArrowSouth);
% \draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=110](17,\ArrowSouth);
% \draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=110](18,\ArrowSouth);
% \draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=110](19,\ArrowSouth);
% \draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=110](20,\ArrowSouth);
% \draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=110](21,\ArrowSouth);
% \draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=110](22,\ArrowSouth);
% \draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=110](23,\ArrowSouth);
% \draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=110](24,\ArrowSouth);
% \draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=110](25,\ArrowSouth);
% \draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=110](26,\ArrowSouth);
% \draw[red,->](\ZeroNodeX+.5,\ZeroNodeY)to[out=0,in=110](27,\ArrowSouth);
\draw[blue,->](8,\ArrowNorth)to[out=270,in=90](28,\ArrowSouth); % 4
\draw[blue,->](9,\ArrowNorth)to[out=270,in=90](29,\ArrowSouth); % 3
\draw[blue,->](10,\ArrowNorth)to[out=270,in=90](30,\ArrowSouth); % 2
\draw[blue,->](11,\ArrowNorth)to[out=270,in=90](31,\ArrowSouth); % 1
\draw[blue,->](12,\ArrowNorth)to[out=270,in=90](32,\ArrowSouth); % 0
\draw[blue,->](8,\ArrowNorth)to[out=270,in=90](28-8,\ArrowSouth); % 4
\draw[blue,->](9,\ArrowNorth)to[out=270,in=90](29-8,\ArrowSouth); % 3
\draw[blue,->](10,\ArrowNorth)to[out=270,in=90](30-8,\ArrowSouth); % 2
\draw[blue,->](11,\ArrowNorth)to[out=270,in=90](31-8,\ArrowSouth); % 1
\draw[blue,->](12,\ArrowNorth)to[out=270,in=90](32-8,\ArrowSouth); % 0
\draw[blue,->](2,\ArrowNorth)to[out=270,in=90](8,\ArrowSouth); % diff btw logical/arith
\begin{scope}[shift={(0,0)}]\DrawHexMarkersRel{32}\end{scope}
\end{scope}
\begin{scope}[shift={(0,-19.75)}]
% shamt_i box
\begin{scope}[shift={(-8,-19.75)}]
\begin{scope}[shift={(0,1.5)}]
\DrawInsnBoxCastle{31}{5}
\DrawInsnBoxCastle{4}{0}
\end{scope}
\DrawInsnBoxRel{31}{0}{}
\DrawInsnBoxRel{4}{0}{}
\draw(33,.5) node[text width = 10, text height = 1, right]{shamt\_i};
\begin{scope}[shift={(0,0)}]\DrawBitstringX{000000000000000000000000000hijkl}\end{scope}
\begin{scope}[shift={(27,0)}]\DrawBitstringX{hijkl}\end{scope}
\begin{scope}[shift={(0,0)}]\DrawHexMarkersRel{32}\end{scope}
%\begin{scope}[shift={(24,0)}]\DrawHexMarkersRel{0}\end{scope}
\begin{scope}[shift={(28,0)}]\TheHexMark{0}\end{scope}
\InsnBoxFieldWidthArrow{31}{5}
\InsnBoxFieldWidthArrow{4}{0}
\end{scope}
% logical/arith box -- this demonstrates the lack of sane coordinate standards in this file :-/
\begin{scope}[shift={(-24,-19.75)}]
\begin{scope}[shift={(0,1.5)}]
\DrawInsnBoxCastle{0}{0}
\end{scope}
\DrawInsnBoxRel{0}{0}{}
\draw(33,.5) node[text width = 10, text height = 1, right]{srai/srli};
\begin{scope}[shift={(31,0)}]\DrawBitstringX{b}\end{scope}
\InsnBoxFieldWidthArrow{0}{0}
\end{scope}
\EndTikzPicture
}