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<a name="1050442"> </a><font color="#003366" face="Verdana, Arial, Helvetica, sans-serif">A.4 Miscellaneous constants</font>
</h2><hr>
<p>
<a name="1050584"> </a><font size=2 face="Verdana, Arial, Helvetica, sans-serif">This section lists the constants which are used in this manual.
<br><br>
<table border="1" cellpadding="5" cellspacing="0">
<caption><b><i><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050579"> </a><font face="Helvetica">Table 49: Constants</font></font></i></b></caption>
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<th><font face="Verdana, Arial, Helvetica, sans-serif" color="#003366"><a name="1050446"> </a><font face="Verdana, Arial, Helvetica, sans-serif">Name</font></font></th>
<th><font face="Verdana, Arial, Helvetica, sans-serif" color="#003366"><a name="1050448"> </a><font face="Verdana, Arial, Helvetica, sans-serif">Value</font></font></th>
<th><font face="Verdana, Arial, Helvetica, sans-serif" color="#003366"><a name="1050450"> </a><font face="Verdana, Arial, Helvetica, sans-serif">Meaning</font></font></th>
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<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050453"> </a><div ><font size=2><em>BitsPerWord</em></font></div></font></td>
<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050455"> </a><div ><font size=2>32</font></div></font></td>
<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050457"> </a><div ><font size=2>The number of bits in a word.</font></div></font></td>
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<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050460"> </a><div ><font size=2><em>BytesPerWord</em></font></div></font></td>
<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050462"> </a><div ><font size=2>4</font></div></font></td>
<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050464"> </a><div ><font size=2>The number of bytes in a word.</font></div></font></td>
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<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050467"> </a><div ><font size=2><em>ExceptionBase</em></font></div></font></td>
<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050469"> </a><div ><font size=2>#80000040</font></div></font></td>
<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050471"> </a><div ><font size=2>The base of the exception descriptor area.</font></div></font></td>
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<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050473"> </a><div ><font size=2><em>ExceptionProcessType</em></font></div></font></td>
<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050476"> </a><div ><font size=2>#1</font></div></font></td>
<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050478"> </a><div ><font size=2>Bit 0 of exception vector table entry for an exception.</font></div></font></td>
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<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050481"> </a><div ><font size=2><em>false</em></font></div></font></td>
<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050483"> </a><div ><font size=2>0</font></div></font></td>
<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050485"> </a><div ><font size=2>The boolean value `false'.</font></div></font></td>
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<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050488"> </a><div ><font size=2><em>HighestException</em></font></div></font></td>
<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050490"> </a><div ><font size=2>255</font></div></font></td>
<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050492"> </a><div ><font size=2>Highest permitted exception level.</font></div></font></td>
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<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050495"> </a><div ><font size=2><em>LongMode</em></font></div></font></td>
<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050497"> </a><div ><font size=2>1</font></div></font></td>
<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050499"> </a><div ><font size=2><strong>smacloop</strong> Q15 data format.</font></div></font></td>
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<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050502"> </a><div ><font size=2><em>LowestException</em></font></div></font></td>
<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050504"> </a><div ><font size=2>-7</font></div></font></td>
<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050506"> </a><div ><font size=2>Lowest permitted exception level.</font></div></font></td>
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<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050509"> </a><div ><font size=2><em>MaxTimesliceCount</em></font></div></font></td>
<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050511"> </a><div ><font size=2>63</font></div></font></td>
<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050513"> </a><div ><font size=2>Maximum value of timeslice count.</font></div></font></td>
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<tr>
<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050516"> </a><div ><font size=2><em>MostNeg</em></font></div></font></td>
<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050518"> </a><div ><font size=2>#80000000</font></div></font></td>
<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050520"> </a><div ><font size=2>The most negative integer value.</font></div></font></td>
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<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050523"> </a><div ><font size=2><em>MostPos</em></font></div></font></td>
<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050525"> </a><div ><font size=2>#7FFFFFFF</font></div></font></td>
<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050527"> </a><div ><font size=2>The most positive signed integer value.</font></div></font></td>
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<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050530"> </a><div ><font size=2><em>NotProcess</em></font></div></font></td>
<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050532"> </a><div ><font size=2><em>MostNeg</em> #80000000</font></div></font></td>
<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050534"> </a><div ><font size=2>Used, wherever a process descriptor is expected, to indicate that there is no process.</font></div></font></td>
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<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050537"> </a><div ><font size=2><em>ProductId</em></font></div></font></td>
<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050539"> </a><div ><font size=2>Depends on processor type.</font></div></font></td>
<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050541"> </a><div ><font size=2>A value used to identify the type and revision of processor, returned by the <strong>ldprodid</strong> instruction.</font></div></font></td>
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<tr>
<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050544"> </a><div ><font size=2><em>SavedTaskDescriptor</em></font></div></font></td>
<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050546"> </a><div ><font size=2>#800000008</font></div></font></td>
<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050548"> </a><div ><font size=2>Address where user process exception is saved when a schedule exception trap occurs.</font></div></font></td>
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<tr>
<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050551"> </a><div ><font size=2><em>SchedulerQptr</em></font></div></font></td>
<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050553"> </a><div ><font size=2><em>MostNeg</em> #80000000</font></div></font></td>
<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050555"> </a><div ><font size=2>The address of the process list data structure for the scheduler list.</font></div></font></td>
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<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050558"> </a><div ><font size=2><em>ShortMode</em></font></div></font></td>
<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050560"> </a><div ><font size=2>0</font></div></font></td>
<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050562"> </a><div ><font size=2><strong>smacloop</strong> Q31 data format.</font></div></font></td>
</tr>
<tr>
<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050565"> </a><div ><font size=2><em>true</em></font></div></font></td>
<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050567"> </a><div ><font size=2>1</font></div></font></td>
<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050569"> </a><div ><font size=2>The boolean value `true'.</font></div></font></td>
</tr>
<tr>
<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050572"> </a><div ><font size=2><em>UserProcessType</em></font></div></font></td>
<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050574"> </a><div ><font size=2>#0</font></div></font></td>
<td><font face="Verdana, Arial, Helvetica, sans-serif"><a name="1050576"> </a><div ><font size=2>Bit 0 of exception vector table entry for a user process.</font></div></font></td>
</tr>
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