Changeset 49f9234 in clfs-embedded


Ignore:
Timestamp:
Oct 24, 2013, 8:02:31 AM (11 years ago)
Author:
Andrew Bradford <andrew@…>
Branches:
master
Children:
f96a570
Parents:
b50528b
Message:

arm/variables: Reorder and reduce triplets

Reorder so that picking FPU comes first, then pick triplet. Triplets
should be just based on the default FPU settings (arm or armhf,
basically).

File:
1 edited

Legend:

Unmodified
Added
Removed

  • BOOK/cross-tools/arm/variables.xml

    rb50528b r49f9234  
    2222
    2323  <para os="a1">If your processor is an ARM9, good choices include: triplet of
    24   armv5l-linux-musleabi, ARM arch of armv5t, and float of soft.  ARM9
     24  arm-linux-musleabi, ARM arch of armv5t, and float of soft.  ARM9
    2525  processors do not usually have hardware floating point abilities. If your
    2626  processor is a Cortex-A series, which often have hardware floating point
    2727  capability, good choices include: triplet of
    28   armv7a-linux-musleabi, ARM arch of armv7-a, float of hard, and fpu
     28  arm-linux-musleabihf, ARM arch of armv7-a, float of hard, and fpu
    2929  of vfpv3-d16.</para>
    30 
    31   <para os="a2">First, set the host and target triplets:</para>
    32 
    33   <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
    34   href="../common/variables.xml"
    35   xpointer="xpointer(//*[@os='b'])"/>
    36 
    37   <table os="i">
    38     <title>Example Processor Type, ABI, and  Target Triplets</title>
    39     <?dbfo table-width="7in" ?>
    40 
    41     <tgroup cols="3">
    42 
    43       <colspec colnum="1" colwidth="2.5in" colname="Processor"/>
    44       <colspec colnum="2" colwidth="1in" colname="ABI"/>
    45       <colspec colnum="3" colwidth="2.5in" colname="Triplet"/>
    46 
    47       <thead>
    48         <row>
    49           <entry>Processor</entry>
    50           <entry>ABI</entry>
    51           <entry>Target Triplet</entry>
    52         </row>
    53       </thead>
    54 
    55       <tbody>
    56         <row>
    57           <entry>Generic arm, version 5</entry>
    58           <entry>EABI</entry>
    59           <entry>armv5l-linux-musleabi</entry>
    60         </row>
    61         <row>
    62           <entry>Generic arm</entry>
    63           <entry>EABI</entry>
    64           <entry>arm-linux-musleabi</entry>
    65         </row>
    66         <row>
    67           <entry>Generic arm, version 7-a </entry>
    68           <entry>EABI</entry>
    69           <entry>armv7a-linux-musleabi</entry>
    70         </row>
    71       </tbody>
    72 
    73     </tgroup>
    74 
    75   </table>
    76 
    77   <para os="c">Now set the architecture of the CPU:</para>
    78 
    79 <screen os="d"><userinput>export CLFS_ARCH=arm</userinput></screen>
    80 
    81   <para os="e">Choose the ARM architecture (see table below):</para>
    82 
    83 <screen os="f"><userinput>export CLFS_ARM_ARCH="<replaceable>[architecture]</replaceable>"</userinput></screen>
    84 
    85   <table os="j">
    86     <title>ARM Archiecture Choices</title>
    87     <?dbfo table-width="4in" ?>
    88 
    89     <tgroup cols="4">
    90 
    91       <colspec colnum="1" colwidth="1in" colname="Arch Choice"/>
    92       <colspec colnum="2" colwidth="1in" colname="Arch Choice"/>
    93       <colspec colnum="3" colwidth="1in" colname="Arch Choice"/>
    94       <colspec colnum="4" colwidth="1in" colname="Arch Choice"/>
    95 
    96       <tbody>
    97         <row>
    98           <entry>armv4t</entry>
    99           <entry>armv5</entry>
    100           <entry>armv5t</entry>
    101           <entry>armv5te</entry>
    102         </row>
    103         <row>
    104           <entry>armv6</entry>
    105           <entry>armv6j</entry>
    106           <entry>armv6t2</entry>
    107           <entry>armv6z</entry>
    108         </row>
    109         <row>
    110           <entry>armv6zk</entry>
    111           <entry>armv6-m</entry>
    112           <entry>armv7</entry>
    113           <entry>armv7-a</entry>
    114         </row>
    115         <row>
    116           <entry>armv7-r</entry>
    117           <entry>armv7-m</entry>
    118         </row>
    119       </tbody>
    120     </tgroup>
    121   </table>
    12230
    12331  <para os="f1">If your target CPU has hardware floating point support (not all
    … …  
    17987  </table>
    18088
     89  <para os="a2">Then, set the host and target triplets:</para>
     90
     91  <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
     92  href="../common/variables.xml"
     93  xpointer="xpointer(//*[@os='b'])"/>
     94
     95  <table os="i">
     96    <title>Target Triplets</title>
     97    <?dbfo table-width="7in" ?>
     98
     99    <tgroup cols="2">
     100
     101      <colspec colnum="1" colwidth="2.5in" colname="Float Type"/>
     102      <colspec colnum="2" colwidth="2.5in" colname="Triplet"/>
     103
     104      <thead>
     105        <row>
     106          <entry>Float Type</entry>
     107          <entry>Triplet</entry>
     108        </row>
     109      </thead>
     110
     111      <tbody>
     112        <row>
     113          <entry>soft</entry>
     114          <entry>arm-linux-musleabi</entry>
     115        </row>
     116        <row>
     117          <entry>hard or softfp</entry>
     118          <entry>arm-linux-musleabihf</entry>
     119        </row>
     120      </tbody>
     121
     122    </tgroup>
     123
     124  </table>
     125
     126  <para os="c">Now set the architecture of the CPU:</para>
     127
     128<screen os="d"><userinput>export CLFS_ARCH=arm</userinput></screen>
     129
     130  <para os="e">Choose the ARM architecture (see table below):</para>
     131
     132<screen os="f"><userinput>export CLFS_ARM_ARCH="<replaceable>[architecture]</replaceable>"</userinput></screen>
     133
     134  <table os="j">
     135    <title>ARM Archiecture Choices</title>
     136    <?dbfo table-width="4in" ?>
     137
     138    <tgroup cols="4">
     139
     140      <colspec colnum="1" colwidth="1in" colname="Arch Choice"/>
     141      <colspec colnum="2" colwidth="1in" colname="Arch Choice"/>
     142      <colspec colnum="3" colwidth="1in" colname="Arch Choice"/>
     143      <colspec colnum="4" colwidth="1in" colname="Arch Choice"/>
     144
     145      <tbody>
     146        <row>
     147          <entry>armv4t</entry>
     148          <entry>armv5</entry>
     149          <entry>armv5t</entry>
     150          <entry>armv5te</entry>
     151        </row>
     152        <row>
     153          <entry>armv6</entry>
     154          <entry>armv6j</entry>
     155          <entry>armv6t2</entry>
     156          <entry>armv6z</entry>
     157        </row>
     158        <row>
     159          <entry>armv6zk</entry>
     160          <entry>armv6-m</entry>
     161          <entry>armv7</entry>
     162          <entry>armv7-a</entry>
     163        </row>
     164        <row>
     165          <entry>armv7-r</entry>
     166          <entry>armv7-m</entry>
     167        </row>
     168      </tbody>
     169    </tgroup>
     170  </table>
     171
    181172  <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
    182173  href="../common/variables.xml"
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