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+>TX39 Architectural Simulator Setup</TITLE
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+><A
+NAME="SETUP-TX39-SIM">TX39 Architectural Simulator Setup</H1
+><P
+>The TX39 simulator is an architectural simulator which implements
+all the features of the Toshiba TX39 needed to run eCos. The current
+implementation provides accurate simulation of the instruction set,
+ interrupt controller, and timers, as well as having generic support
+for diagnostic output, serial I/O, and exceptions.</P
+><P
+>In this release, you can run the same eCos binaries in the
+simulator that can run on target hardware, if it is built for ROM
+start-up.</P
+><P
+>To simplify connection to the simulator, you are advised to
+create a GDB macro by putting the following code in your personal
+GDB start-up file (gdb.ini on Windows and .gdbinit on UNIX).</P
+><TABLE
+BORDER="5"
+BGCOLOR="#E0E0F0"
+WIDTH="70%"
+><TR
+><TD
+><PRE
+CLASS="PROGRAMLISTING"
+>define tsim
+ target sim --board=jmr3904pal --memory-region 0xffff8000,0x900 \
+ --memory-region 0xffffe000,0x4 \
+ --memory-region 0xb2100000,0x4
+ rbreak cyg_test_exit
+ rbreak cyg_assert_fail
+end</PRE
+></TD
+></TR
+></TABLE
+><P
+>You can then connect to the simulator by invoking the command <B
+CLASS="COMMAND"
+>tsim</B
+> on
+the command line:</P
+><TABLE
+BORDER="5"
+BGCOLOR="#E0E0F0"
+WIDTH="70%"
+><TR
+><TD
+><PRE
+CLASS="PROGRAMLISTING"
+>(gdb) tsim</PRE
+></TD
+></TR
+></TABLE
+><P
+>You can achieve the same effect by typing out the macro’s
+content on the command line if necessary.</P
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