[c25d12c] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?> |
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| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" |
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| 3 | "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [ |
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| 4 | <!ENTITY % general-entities SYSTEM "../../general.ent"> |
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| 5 | %general-entities; |
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| 6 | ]> |
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| 7 | |
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| 8 | <sect1 id="ch-system-yaboot" role="wrap"> |
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| 9 | <?dbhtml filename="yaboot.html"?> |
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| 10 | |
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| 11 | <title>Yaboot-&yaboot-version;</title> |
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| 12 | |
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| 13 | <indexterm zone="ch-system-yaboot"> |
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| 14 | <primary sortas="a-Yaboot">Yaboot</primary> |
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| 15 | </indexterm> |
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| 16 | |
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[da23eb8] | 17 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 18 | href="../ppc/yaboot.xml" |
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| 19 | xpointer="xpointer(//*[@role='package'])"/> |
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[c25d12c] | 20 | |
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| 21 | <sect2 role="installation"> |
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| 22 | <title>Installation of Yaboot</title> |
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| 23 | |
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[da23eb8] | 24 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 25 | href="../ppc/yaboot.xml" |
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| 26 | xpointer="xpointer(//*[@os='a'])"/> |
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[c25d12c] | 27 | |
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[da23eb8] | 28 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 29 | href="../ppc/yaboot.xml" |
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| 30 | xpointer="xpointer(//*[@os='b'])"/> |
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[c25d12c] | 31 | |
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[da23eb8] | 32 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 33 | href="../ppc/yaboot.xml" |
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| 34 | xpointer="xpointer(//*[@os='c'])"/> |
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[c25d12c] | 35 | |
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[da23eb8] | 36 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 37 | href="../ppc/yaboot.xml" |
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| 38 | xpointer="xpointer(//*[@os='d'])"/> |
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[c25d12c] | 39 | |
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[da23eb8] | 40 | <para>Existing multilib distributions alter gcc to default to 32-bit |
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| 41 | output. Because our gcc defaults to 64-bit, we need to pass appropriate |
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| 42 | options to both the compiler and the linker. The Makefile already |
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| 43 | overrides any CC and ignores LDFLAGS in favour of its own variables, so we |
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| 44 | need to use the following seds for a successful compile and install.</para> |
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[c25d12c] | 45 | |
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[da23eb8] | 46 | <screen><userinput>sed -i -e "s/\(-print-libgcc-file-name\)/${BUILD32} \1/" \ |
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| 47 | -e "s/\(-Bstatic\)/-melf32ppclinux \1/" Makefile |
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| 48 | </userinput></screen> |
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[c25d12c] | 49 | |
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[da23eb8] | 50 | <variablelist os="j"> |
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| 51 | <title>The meaning of the sed parameters:</title> |
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[c25d12c] | 52 | |
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[da23eb8] | 53 | <varlistentry> |
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| 54 | <term><parameter>"s/\(-print-libgcc-file-name\)/${BUILD32} \1/"</parameter></term> |
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[c25d12c] | 55 | <listitem> |
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[da23eb8] | 56 | <para>This picks a convenient place within the Makefile's lgcc |
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| 57 | variable and inserts the flag to force <command>gcc</command> to |
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| 58 | create 32-bit code when compiling yaboot.</para> |
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[c25d12c] | 59 | </listitem> |
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| 60 | </varlistentry> |
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[da23eb8] | 61 | <varlistentry> |
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| 62 | <term><parameter>"s/\(-Bstatic\)/-melf32ppclinux \1/"</parameter></term> |
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[c25d12c] | 63 | <listitem> |
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[da23eb8] | 64 | <para>This picks the end of the LFLAGS which the Makefile passes to |
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| 65 | the linker to create the second-stage linux loader, and inserts a |
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| 66 | flag to force <command>ld</command> to use a suitable 32-bit |
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| 67 | emulation picked from the output of <command>'ld -V'</command>.</para> |
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[c25d12c] | 68 | </listitem> |
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| 69 | </varlistentry> |
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| 70 | |
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[da23eb8] | 71 | </variablelist> |
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[c25d12c] | 72 | |
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[da23eb8] | 73 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 74 | href="../ppc/yaboot.xml" |
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| 75 | xpointer="xpointer(//*[@os='e'])"/> |
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[c25d12c] | 76 | |
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[da23eb8] | 77 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 78 | href="../ppc/yaboot.xml" |
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| 79 | xpointer="xpointer(//*[@os='f'])"/> |
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[c25d12c] | 80 | |
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[da23eb8] | 81 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 82 | href="../ppc/yaboot.xml" |
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| 83 | xpointer="xpointer(//*[@os='g'])"/> |
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[c25d12c] | 84 | |
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[26332de] | 85 | <screen os="h"><userinput>CFLAGS="${BUILD32}" make PREFIX=/usr</userinput></screen> |
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| 86 | |
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[da23eb8] | 87 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 88 | href="../ppc/yaboot.xml" |
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| 89 | xpointer="xpointer(//*[@os='i'])"/> |
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| 90 | |
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[370b16d] | 91 | <important os="j0"> |
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| 92 | <para>The multilib install of yaboot can fail if you miss any of the |
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| 93 | patches or seds, or omit the CFLAGS variable. <command>ld</command> will |
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| 94 | issue warnings, but the install will appear to complete successfully. |
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| 95 | That would result in an unbootable system, so you need to log the output |
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| 96 | to check it.</para> |
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| 97 | </important> |
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| 98 | |
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| 99 | <screen><userinput>make PREFIX=/usr install 2>&1 | tee instlog</userinput></screen> |
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[26332de] | 100 | |
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| 101 | <para os='k'>To ensure that the install was successful, run the following |
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| 102 | command:</para> |
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| 103 | |
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| 104 | <screen os='l'><userinput>grep 'powerpc:common64' instlog</userinput></screen> |
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| 105 | |
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| 106 | <para os='m'>If the command gave you <emphasis>any</emphasis> output |
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[370b16d] | 107 | (... is incompatible with powerpc:common output) the build of yaboot is |
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| 108 | broken and you will have to correct your error(s) and repeat it.</para> |
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[c25d12c] | 109 | |
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| 110 | </sect2> |
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| 111 | |
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[da23eb8] | 112 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 113 | href="../ppc/yaboot.xml" |
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| 114 | xpointer="xpointer(id('contents-yaboot'))"/> |
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| 115 | |
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[c25d12c] | 116 | </sect1> |
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