Wolfgang Denk wrote:
Dear "A. Geisreiter",
In message 001701ca2d55$f30b6200$d9222600$@de you wrote:
What makes you think that the uncompression code used by bootm would be any faster than the one used by unzip? It ain't faster, as it is the very same code actually.
If bootm use the same code like the unzip command, then it couldn't be faster.
Indeed.
But I have compressed a nk.bin Windows Image file with GZIP. Then I uncompressed the 10MB File with U-Boot. It takes roughly 1 minute. And this is to much I think. What could I do to reduce the uncompression time? My hardware works with an PXA270 CPU.
You probably want to enable caches on your system, to get faster performance. Jean-Christophe (on Cc:) claimed several times before that he was working on such patches. Maybe you ask him when he will post this stuff.
Unfortunately, there was no answer to
http://lists.denx.de/pipermail/u-boot/2009-August/058700.html
Dirk