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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2010-08-15 15:24:08 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2010-08-15 15:24:08 +0000 |
commit | b2769ae6a5785363554e9c77953eed7bf8a9e1f9 (patch) | |
tree | 8412a28f19908f9c44b1e07bcbdc0c6a3d7f40eb /nuttx/Documentation/NuttxPortingGuide.html | |
parent | 69d005f5d9e7923a794569ead8177ce4a59038b4 (diff) | |
download | px4-nuttx-b2769ae6a5785363554e9c77953eed7bf8a9e1f9.tar.gz px4-nuttx-b2769ae6a5785363554e9c77953eed7bf8a9e1f9.tar.bz2 px4-nuttx-b2769ae6a5785363554e9c77953eed7bf8a9e1f9.zip |
update
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2855 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/Documentation/NuttxPortingGuide.html')
-rw-r--r-- | nuttx/Documentation/NuttxPortingGuide.html | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/nuttx/Documentation/NuttxPortingGuide.html b/nuttx/Documentation/NuttxPortingGuide.html index 9275258de..428537f65 100644 --- a/nuttx/Documentation/NuttxPortingGuide.html +++ b/nuttx/Documentation/NuttxPortingGuide.html @@ -12,7 +12,7 @@ <h1><big><font color="#3c34ec"> <i>NuttX RTOS Porting Guide</i> </font></big></h1> - <p>Last Updated: July 12, 2010</p> + <p>Last Updated: August 14, 2010</p> </td> </tr> </table> @@ -98,7 +98,8 @@ <a href="#schedprocesstimer">4.2.3 <code>sched_process_timer()</code></a><br> <a href="#irqdispatch">4.2.4 <code>irq_dispatch()</code></a> </ul> - <a href="#ledsupport">4.3 LED Support</a> + <a href="#demandpaging">4.3 On-Demand Paging</a><br> + <a href="#ledsupport">4.4 LED Support</a> <ul> <a href="#ledheaders">4.3.1 Header Files</a><br> <a href="#leddefinitions">4.3.2 LED Definitions</a><br> @@ -1483,7 +1484,17 @@ The system can be re-made subsequently by just typing <code>make</code>. the appropriate, registered handling logic. </p> -<h2><a name="ledsupport">4.3 LED Support</a></h2> +<h2><a name="demandpaging">4.3 On-Demand Paging</a></h2> + +<p> + The NuttX On-Demand Paging feature permits embedded MCUs with some limited RAM space to execute large programs from some non-random access media. + If the platform meets certiain requirements, then NuttX can provide on-demand paging: + It can copy .text from the large program in non-volatile media into RAM as needed to execute a huge program from the small RAM. + Design and porting issues for this feature are discussed in a sepate document. + Please see the <a href="NuttXDemandPaging.html">NuttX Demand Paging</a> design document for further information. +</p> + +<h2><a name="ledsupport">4.4 LED Support</a></h2> <p> A board architecture may or may not have LEDs. |