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* env: don't generate callback list entries for SPLScott Wood2012-12-22-0/+8
| | | | | | | | | | | | | | SPL doesn't write to the environment. These list entries prevent the functions from being garbage-collected, even though nothing will look at the list. This caused several SPL builds (e.g. P2020RDB-PC_NAND) to break due to size limitations and/or unresolved symbols. A static inline function is used to provide a context in which we can consume the callback, and thus avoid unused function warnings. Signed-off-by: Scott Wood <scottwood@freescale.com> Acked-by: Joe Hershberger <joe.hershberger@gmail.com> Acked-by: Kim Phillips <kim.phillips@freescale.com>
* env: Add environment variable flagsJoe Hershberger2012-12-13-0/+2
| | | | | | | | | | | Currently just validates variable types as decimal, hexidecimal, boolean, ip address, and mac address. If the entry is not found in the env ".flags", then look in the static one. This allows the env to override the static definitions, but prevents the need to have every definition in the environment distracting you. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
* env: Add a silent env handlerJoe Hershberger2012-12-13-0/+7
| | | | | | | | The silent variable now updates the global data flag anytime it is changed as well as after the env relocation (in case its value is different from the default env in such cases as NAND env) Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
* env: Add a console env handlerJoe Hershberger2012-12-13-0/+1
| | | | | | Remove the hard-coded console handler and use a callback instead Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
* env: Add a loadaddr env handlerJoe Hershberger2012-12-13-0/+1
| | | | | | Remove the hard-coded loadaddr handler and use a callback instead Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
* env: Add a baudrate env handlerJoe Hershberger2012-12-13-0/+1
| | | | | | Remove the hard-coded baudrate handler and use a callback instead Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
* env: Add a bootfile env handlerJoe Hershberger2012-12-13-0/+1
| | | | | | Remove the hard-coded bootfile handler and use a callback instead Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
* env: Add support for callbacks to environment varsJoe Hershberger2012-12-13-0/+62
Add support for per-variable callbacks to the "hashtable" functions. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> !!!fix comment in callback
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