Quote:
Originally Posted by nasser
To run armhf code, do Kindles have the FP unit in their hardware?
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Yes.
Both floating point and vector processors.
That is what the 'hf' indicates, hardware floating point (in this case, also a vector processor).
PW2 and newer, In brief:
i.MX6SL with EPD
Gory details:
data sheet
Picture on page 7.
(If you think a 160+ page data sheet is something, you should read the reference manual - it has War and Peace beat out by a long shot.)
The KT and the PW1 use an earlier model SoC, but they also have hf and vector co-processors (with an earlier, smaller, instruction set, IIRC only integer SIMD).
I posted the reference manual here in the past.
Maybe in my threads about the PW3 or KT2 when they where new.
I also posted a KUAL extension here for selecting which cpu governor the kernel uses.
Pick the 'Performance' one and a modern Kindle can be quite impressive.