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List:       bochs-cvs
Subject:    [Bochs-cvs] CVS: bochs/doc/docbook/user user.dbk,1.215,1.216
From:       Volker Ruppert <vruppert () users ! sourceforge ! net>
Date:       2006-06-22 18:50:52
Message-ID: E1FtUGS-00054t-EN () sc8-pr-cvs3 ! sourceforge ! net
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Update of /cvsroot/bochs/bochs/doc/docbook/user
In directory sc8-pr-cvs3.sourceforge.net:/tmp/cvs-serv19479/doc/docbook/user

Modified Files:
	user.dbk 
Log Message:
- new user.dbk section describes the usage of the save/restore feature
- description of the 'cpu' option updated


Index: user.dbk
===================================================================
RCS file: /cvsroot/bochs/bochs/doc/docbook/user/user.dbk,v
retrieving revision 1.215
retrieving revision 1.216
diff -u -d -r1.215 -r1.216
--- user.dbk	17 Jun 2006 07:45:27 -0000	1.215
+++ user.dbk	22 Jun 2006 18:50:47 -0000	1.216
@@ -2421,7 +2421,8 @@
       <entry>
       Enables limited save/restore support. The state of CPU, memory and all
       devices can be saved now (state of harddisk images not handled yet).
-      <footnote><para>&FIXME; Add save/restore documentation</para></footnote>
+      See <link linkend="using-save-restore">Save and restore simulation</link>
+      for more information.
       </entry>
     </row>
   </tbody>
@@ -3052,11 +3053,17 @@
 </para>
 <para><command>count</command></para>
 <para>
-Set the number of processors when Bochs is compiled for SMP emulation.
-Bochs currently supports up to 8 processors. If Bochs is compiled
-without SMP support, it won't accept values different from 1.
+Set the number of processors:cores per processor:threads per core when Bochs
+is compiled for SMP emulation. Bochs currently supports up to 8 processors.
+If Bochs is compiled without SMP support, it won't accept values different from 1.
 For more information on SMP see <xref linkend="SMP">.
 </para>
+<para><command>quantum</command></para>
+<para>
+Maximum amount of instructions allowed to execute by processor before
+returning control to another cpu. This option exists only in Bochs 
+binary compiled with SMP support.
+</para>
 <para><command>reset-on-triple-fault</command></para>
 <para>
 Reset the CPU when triple fault occur (highly recommended) rather than PANIC.
@@ -4668,6 +4675,10 @@
   <entry>don't try to load a configuration file</entry>
 </row>
 <row>
+  <entry>-r <replaceable>path</replaceable></entry>
+  <entry>specify path for restoring state (if save/restore support is compiled in)</entry>
+</row>
+<row>
   <entry>--help</entry>
   <entry>display help message and exit</entry>
 </row>
@@ -4888,6 +4899,33 @@
 </para>
 </section>
 </section>
+<section id="using-save-restore"><title>Save and restore simulation</title>
+<para>
+Starting with release 2.3 Bochs has limited save/restore support. The state of
+cpu(s), memory and all devices can be saved now. To enable this feature, Bochs
+must be compile with the <option>--enable-save-restore</option> option. When running
+Bochs with save/restore support there will be a new button in the header bar called
+"Suspend". Depending on config interface and gui there will be a prompt where you
+can enter a path or a gui folder selection dialog box. After pressing OK/Enter,
+Bochs will save a set of files into the selected folder. The state of hard disk
+images is not handled yet, so Bochs will ask you if you want to continue after
+saving state. We don't recommend to continue unless you are running a read-only
+guest system (e.g. Live-CD).
+</para>
+<para>
+To restore the saved simulation state you can select the restore function in the
+text mode start menu or specify the restore path at the command line:
+<screen>
+bochs -r /path/to/save-restore-data
+</screen>
+</para>
+<para>
+Then Bochs will start up using the saved configuration and log options, restores
+the state of the hardware and begins the simulation. In the restore mode Bochs
+will ignore bochsrc options from the command line and does not load a normal
+config file.
+</para>
+</section>
 </chapter>
 
 <chapter id="common-problems">


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