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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2009-04-08 23:24:59 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2009-04-08 23:24:59 +0000 |
commit | a6c401c6f8ef2ad36d4cc76e2e94cc8a5fa71fc7 (patch) | |
tree | 947378478f9a3dd1f39913e9bac75a4400cb0c9c /nuttx/Documentation/NuttxPortingGuide.html | |
parent | 52e9bfad28de743e9072dbd9edf178dbc5b39a5d (diff) | |
download | px4-nuttx-a6c401c6f8ef2ad36d4cc76e2e94cc8a5fa71fc7.tar.gz px4-nuttx-a6c401c6f8ef2ad36d4cc76e2e94cc8a5fa71fc7.tar.bz2 px4-nuttx-a6c401c6f8ef2ad36d4cc76e2e94cc8a5fa71fc7.zip |
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/NuttxPortingGuide.html')
-rw-r--r-- | nuttx/Documentation/NuttxPortingGuide.html | 10 |
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 |