On Mon, Nov 27, 2017 at 12:47:09AM +0000, Andre Przywara wrote: > In the moment our exception entry code needs 34 instructions, so we > can't use put it directly into the table entry, which offers "only" > 32 instructions there. Right now we just put an unconditional branch > there, then use a macro to place the 34 instructions *per entry* after > that. That effectivly doubles the size of our exception table, which > is quite a waste, given that we use it mostly for debugging purposes. > > Since the register saving part is actually identical, let's just convert > that macro into a function, and "bl" into it directly from the exception > slot, of course after having saved at least the original LR. > This saves us about 950 bytes of code, which is quite a relief for some > tight SPLs, in particular the 64-bit Allwinner ones. > > Signed-off-by: Andre Przywara <andre.przyw...@arm.com>
Applied to u-boot/master, thanks! -- Tom
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