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I'm trying to disable some disturbing warnings (the generated code is fine; don't worry) but the only I find is the warninglevels (0, 1 or 2).
Is there any directive to disable a specific Warning in the C51 compiler?
It could be a really dangerous warning ... or not ...
It's classified as Error/Warning. I would take that even more seriously than just a regular warning.
It seems the compiler casts from xdata to far correctly (adding the third byte to the pointer), but in any case, it also add a warning.
Are you using implicit or explicit casting ? If the former, does the warning go away if you cast explicitly ?
Anyway - casting from a pointer to xdata to a pointer to code memory is a fairly odd operation (I'd really have to think hard to find any operation that requires such casts), and not at all covered by any standard C rule. A different compiler (version) might handle this type of cast entirely differently.