Update things lately

figures/Makefile

-built_figs= comparator.pdf simple_graph_reductions.pdf ski_combinators.pdf 4ph.pdf add-sub.pdf mul.pdf clean.pdf tree.pdf add_fsm.pdf mul_fsm.pdf
+built_figs= comparator.pdf simple_graph_reductions.pdf ski_combinators.pdf 4ph.pdf add-sub.pdf mul.pdf clean.pdf tree.pdf add_fsm.pdf mul_fsm.pdf lambda.pdf
 
-other_figs= andor.png gr_ex_0.pdf gr_ex_1.pdf gr_ex_2.pdf gr_ex_3.pdf gr_ex_4.pdf
+other_figs= andor.png gr_ex_0.pdf gr_ex_1.pdf gr_ex_2.pdf gr_ex_3.pdf gr_ex_4.pdf tam.png
 
 figs: $(built_figs) $(other_figs) add_fsm_figs mul_fsm_figs
 

slides.tex

@@ -48,6 +48,17 @@
 
 \titlepage
 
+
+\begin{frame}{Context}
+  \begin{itemize}
+    \item<1-> IoT is not secure
+    \item<2-> But Octopi is here: software + hardware tools
+    \item<3-> Focus on hardware: ALU
+    \item<4-> IoT special needs: security and energy preservation rather than
+      performance
+  \end{itemize}
+\end{frame}
+
 \begin{frame}{Outline of the presentation}
   \setcounter{tocdepth}{2}
   \tableofcontents
@@ -58,13 +69,22 @@
 \subsection{Functional assembly code}
 
 \begin{frame}{What does a functional program \emph{mean}?}
+  \begin{minipage}{0.69\textwidth}
   \inputminted{OCaml}{code/simple.ml}
 
-  \phantom{A}
+  \phantom{a}
 
-  \uncover<2>{
-    transformed into $(\lambda x . + 1 x) 3$
-  }
+  \uncover<2,3>{transformed into $(\lambda x . + 1 x) 3$}
+  \end{minipage}
+  \begin{minipage}{0.3\textwidth}
+    \uncover<3>{
+      \begin{figure}[h]
+        \centering
+        \includegraphics[width=\textwidth]{figures/lambda.pdf}
+        \label{fig:lambda}
+      \end{figure}
+    }
+  \end{minipage}
 \end{frame}
 
 \begin{frame}{Combinators}
@@ -104,11 +124,12 @@
   \begin{minipage}{0.45\textwidth}
     \centering
     \begin{itemize}
-      \item Application node (@)
+      \item Application node (@): \texttt{(addr, addr)}
       \item Combinator node (\emph{S}, \emph{K}, \emph{I})
-      \item Primitive node
-      \item Indirection node (=)
-      \item Integer node
+      \item Primitive node (arithmetic operations, comparisons, logical
+        operations)
+      \item Indirection node (=): \texttt{addr}
+      \item Integer node: \texttt{(int, addr)}
     \end{itemize}
   \end{minipage}
   \begin{minipage}{0.45\textwidth}
@@ -124,41 +145,59 @@
 \subsubsection{Arbitrary precision integers}
 
 \begin{frame}{Arbitrary precision integers}
-    \input{tables/arith_2cpl.tex}
-
-    How to represent -42
-    in binary (chunks of 3 bits)?
-    \begin{itemize}
-      \item<2-5> Write 42
-        in binary: \texttt{0101010}
-      \item<3-5> Perform 2's complement: \texttt{1010110}
-      \item<4-5> Cut in chunks: \texttt{1·010·110}
-      \item<5> Sign extend (if needed): \texttt{111·010·110}
-    \end{itemize}
+  \input{tables/arith_2cpl.tex}
+  How to represent -42
+  in binary (chunks of 3 bits)?
+  \begin{itemize}
+    \item<2-6> Write 42
+      in binary: \texttt{0101010}
+    \item<3-6> Perform 2's complement: \texttt{1010110}
+    \item<4-6> Cut in chunks: \texttt{1·010·110}
+    \item<5-6> Sign extend (if needed): \texttt{111·010·110}
+  \end{itemize}
+  \uncover<6>{
+    Here, -42 is stored in address \texttt{0x1}:
+    \begin{minipage}{\textwidth}
+      \centering
+      \begin{tabular}[h]{c|c|c}
+        \texttt{0x1}                & \texttt{0x2}              & \texttt{0x3} \\
+        \texttt{(INT, 110, 0x2)}    & \texttt{(INT, 010, 0x3)}  & \texttt{(INT, 111, 0x0)}
+      \end{tabular}
+    \end{minipage}
+  }
 \end{frame}
 
 \section[ALU]{Designing the ALU}
 
-\subsection{\emph{“Simple”} units}
-
-\begin{frame}{Logic Unit}
-  NOT, AND, OR, COND (if then else)\\
-
-  \phantom{CO}
-  \begin{minipage}{0.8\textwidth}
-    \begin{itemize}
-      \item<2-5>[NOT] straightforward
-      \item<3-5>[AND] \texttt{AND A B} is \texttt{FALSE} if \texttt{NOT A} else
-        \texttt{B}
-      \item<4-5>[OR] \texttt{OR A B} is \texttt{TRUE} if \texttt{A} else
-        \texttt{B}
-      \item<5>[COND] \texttt{COND A B C} is \texttt{B} if \texttt{A} else
-        \texttt{C}
-    \end{itemize}
-  \end{minipage}
+\begin{frame}{Module interface}
+  \begin{figure}[h]
+    \centering
+    \includegraphics[width=\textwidth]{figures/tam.png}
+    \label{fig:tam}
+  \end{figure}
 \end{frame}
 
-\begin{frame}{Comparator Unit}
+%\subsection{\emph{“Simple”} units}
+\subsection{Comparison Unit}
+
+%\begin{frame}{Logic Unit}
+%  NOT, AND, OR, COND (if then else)\\
+%
+%  \phantom{CO}
+%  \begin{minipage}{0.8\textwidth}
+%    \begin{itemize}
+%      \item<2-5>[NOT] straightforward
+%      \item<3-5>[AND] \texttt{AND A B} is \texttt{FALSE} if \texttt{NOT A} else
+%        \texttt{B}
+%      \item<4-5>[OR] \texttt{OR A B} is \texttt{TRUE} if \texttt{A} else
+%        \texttt{B}
+%      \item<5>[COND] \texttt{COND A B C} is \texttt{B} if \texttt{A} else
+%        \texttt{C}
+%    \end{itemize}
+%  \end{minipage}
+%\end{frame}
+
+\begin{frame}{Comparison Unit}
   Operations: $=$, $\neq$, $\geq$, $>$
   \begin{figure}[h]
     \centering