On Monday 27 April 2009 18:15:58 Wolfgang Denk wrote:
> In message Mike Frysinger wrote:
> > The --binary option to envcrc can be used to export the embedded env as a
> > binary blob so that it can be manipulated/examined/whatever externally.
> >
> > @@ -77,19 +78,55 @@ extern unsigned char environment;
> > int main (int argc, char **argv)
> > {
> > #ifdef ENV_IS_EMBEDDED
> > + unsigned char pad = 0x00;
>
> Should we not rather use 0xFF for padding - given that the envrionment
> is frequently stored in NOR flash?i would love to (and with the Blackfin stuff, i do just that), but the problem is that there is no way of forcing the embedded environment to 0xff pad that i know of ... so, to keep the most common behavior from changing (the char[] env is embedded in the .data section padded with 0x00), the padding defaults to 0x00. this way `envcrc` outputs the right value (see common/Makefile). for people (like me) who are using --binary to extract the env blob, we can do --binary=0xff and get what you're talking about. i could extend the behavior so that using plain "--binary" is the same thing as "--binary=0xff" ... -mike
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