Add option to copy to RAM

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1689 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2009-04-08 23:24:59 +00:00
parent 952fbcc26a
commit 758c8f7a9f

View File

@ -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