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authorpatacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>2009-04-08 23:24:59 +0000
committerpatacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>2009-04-08 23:24:59 +0000
commita6c401c6f8ef2ad36d4cc76e2e94cc8a5fa71fc7 (patch)
tree947378478f9a3dd1f39913e9bac75a4400cb0c9c /nuttx/Documentation
parent52e9bfad28de743e9072dbd9edf178dbc5b39a5d (diff)
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Add option to copy to RAM
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1689 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/Documentation')
-rw-r--r--nuttx/Documentation/NuttxPortingGuide.html10
1 files changed, 7 insertions, 3 deletions
diff --git a/nuttx/Documentation/NuttxPortingGuide.html b/nuttx/Documentation/NuttxPortingGuide.html
index 1d790ee25..e4e9fea33 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: March 13, 2009</p>
+ <p>Last Updated: April 8, 2009</p>
</td>
</tr>
</table>
@@ -2061,8 +2061,12 @@ The system can be re-made subsequently by just typing <code>make</code>.
<ul>
<li>
- <code>CONFIG_BOOT_FROM_FLASH</code>: Some configurations support XIP
- operation from FLASH.
+ <code>CONFIG_BOOT_RUNFROMFLASH</code>: Some configurations support XIP
+ operation from FLASH but must copy initialized .data sections to RAM.
+ </li>
+ <li>
+ <code>CONFIG_BOOT_COPYTORAM</code>: Some configurations boot in FLASH
+ but copy themselves entirely into RAM for better performance.
</li>
<li>
<code>CONFIG_STACK_POINTER</code>: The initial stack pointer