318 lines
4.6 KiB
HTML
318 lines
4.6 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<HTML
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><HEAD
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><TITLE
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>What is PALO?</TITLE
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><META
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NAME="GENERATOR"
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CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK
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REL="HOME"
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TITLE="PA-RISC/Linux Boot HOWTO"
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HREF="index.html"><LINK
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REL="UP"
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TITLE="PALO, the PA/Linux kernel loader"
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HREF="palo.html"><LINK
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REL="PREVIOUS"
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TITLE="PALO, the PA/Linux kernel loader"
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HREF="palo.html"><LINK
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REL="NEXT"
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TITLE="What does PALO?"
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HREF="whatdoespalo.html"></HEAD
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><BODY
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CLASS="sect1"
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BGCOLOR="#FFFFFF"
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TEXT="#000000"
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LINK="#0000FF"
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VLINK="#840084"
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ALINK="#0000FF"
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><DIV
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CLASS="NAVHEADER"
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><TABLE
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SUMMARY="Header navigation table"
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TH
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COLSPAN="3"
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ALIGN="center"
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>PA-RISC/Linux Boot HOWTO</TH
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></TR
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><TR
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><TD
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WIDTH="10%"
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ALIGN="left"
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VALIGN="bottom"
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><A
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HREF="palo.html"
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ACCESSKEY="P"
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>Prev</A
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></TD
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><TD
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WIDTH="80%"
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ALIGN="center"
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VALIGN="bottom"
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>Chapter 3. <B
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CLASS="command"
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>PALO</B
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>, the PA/Linux kernel loader</TD
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><TD
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WIDTH="10%"
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ALIGN="right"
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VALIGN="bottom"
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><A
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HREF="whatdoespalo.html"
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ACCESSKEY="N"
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>Next</A
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></TD
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></TR
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></TABLE
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><HR
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ALIGN="LEFT"
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WIDTH="100%"></DIV
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><DIV
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CLASS="sect1"
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><H1
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CLASS="sect1"
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><A
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NAME="whatispalo"
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></A
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>3.1. What is <B
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CLASS="command"
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>PALO</B
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>?</H1
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><DIV
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CLASS="highlights"
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><A
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NAME="AEN529"
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></A
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><P
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> <B
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CLASS="command"
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>PALO</B
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> is a set of two programs, a boot loader,
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which is loaded by the PA-RISC <EM
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>firmware</EM
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> into memory
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and then executed, and a boot media management tool, which
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prepares and updates bootable media such as hard disk drives.
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</P
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></DIV
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><P
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> The <B
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CLASS="command"
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>PALO</B
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> boot loader executable is stored in a file called
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<TT
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CLASS="filename"
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>iplboot</TT
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>. '<TT
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CLASS="literal"
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>IPL</TT
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>' is HP
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jargon for <EM
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>Initial Program Loader</EM
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>
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(See <A
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HREF="gloss.html#glossipl"
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>the glossary</A
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>).
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The boot media management tool is called <B
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CLASS="command"
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>PALO</B
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>, which
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stands for PA/Linux LOader, just as on x86 the boot media
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management tool is called <SPAN
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CLASS="application"
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>LILO</SPAN
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>.
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</P
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><P
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> Even though <B
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CLASS="command"
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>PALO</B
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> is much alike <SPAN
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CLASS="application"
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>LILO</SPAN
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>
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(both have a userland application and a boot loader executable),
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it's worth mentioning that <B
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CLASS="command"
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>PALO</B
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> doesn't usually need to be called
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every time you build and install a new kernel, as
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<SPAN
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CLASS="application"
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>LILO</SPAN
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> does<A
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NAME="AEN546"
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HREF="#FTN.AEN546"
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><SPAN
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CLASS="footnote"
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>[1]</SPAN
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></A
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>.
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</P
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><DIV
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CLASS="note"
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><P
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></P
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><TABLE
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CLASS="note"
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WIDTH="100%"
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BORDER="0"
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><TR
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><TD
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WIDTH="25"
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ALIGN="CENTER"
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VALIGN="TOP"
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><IMG
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SRC="../images/note.gif"
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HSPACE="5"
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ALT="Note"></TD
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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><P
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> <B
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CLASS="command"
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>PALO</B
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> is strongly related to PA/Linux development. Thus, several versions have
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been released. Some changes in the way <B
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CLASS="command"
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>make palo</B
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> operates
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are explained by the author of <B
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CLASS="command"
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>PALO</B
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>, <EM
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>Paul Bame</EM
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>, in this
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<A
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HREF="http://lists.parisc-linux.org/hypermail/parisc-linux/9451.html"
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TARGET="_top"
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>mail</A
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>.
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</P
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></TD
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></TR
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></TABLE
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></DIV
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></DIV
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><H3
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CLASS="FOOTNOTES"
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>Notes</H3
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><TABLE
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BORDER="0"
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CLASS="FOOTNOTES"
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WIDTH="100%"
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><TR
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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WIDTH="5%"
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><A
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NAME="FTN.AEN546"
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HREF="whatispalo.html#AEN546"
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><SPAN
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CLASS="footnote"
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>[1]</SPAN
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></A
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></TD
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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WIDTH="95%"
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><P
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>For the knowledge addict:
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<B
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CLASS="command"
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>PALO</B
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> can actually access and read ext2/ext3 filesystem, and therefore follow symlinks,
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whereas <SPAN
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CLASS="application"
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>LILO</SPAN
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> bootloader will only know the physical
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disk address to access the kernel. See
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<A
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HREF="http://home.att.net/~lilo-boot/lbuild.htm"
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TARGET="_top"
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>this</A
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>
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for further details.</P
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></TD
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></TR
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></TABLE
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><DIV
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CLASS="NAVFOOTER"
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><HR
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ALIGN="LEFT"
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WIDTH="100%"><TABLE
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SUMMARY="Footer navigation table"
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TD
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WIDTH="33%"
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ALIGN="left"
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VALIGN="top"
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><A
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HREF="palo.html"
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ACCESSKEY="P"
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>Prev</A
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></TD
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
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><A
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HREF="index.html"
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ACCESSKEY="H"
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>Home</A
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></TD
|
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><TD
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WIDTH="33%"
|
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ALIGN="right"
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VALIGN="top"
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><A
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HREF="whatdoespalo.html"
|
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ACCESSKEY="N"
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>Next</A
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></TD
|
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></TR
|
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><TR
|
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><TD
|
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WIDTH="33%"
|
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ALIGN="left"
|
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VALIGN="top"
|
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><B
|
|
CLASS="command"
|
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>PALO</B
|
|
>, the PA/Linux kernel loader</TD
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><TD
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WIDTH="34%"
|
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ALIGN="center"
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VALIGN="top"
|
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><A
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HREF="palo.html"
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ACCESSKEY="U"
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>Up</A
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></TD
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><TD
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WIDTH="33%"
|
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ALIGN="right"
|
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VALIGN="top"
|
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>What does <B
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CLASS="command"
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>PALO</B
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>?</TD
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></TR
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></TABLE
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></DIV
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></BODY
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></HTML
|
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> |