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+ Lots of bughunting to do, probably lots of off-by-one and so on
errors, and I make a lot of naive and possibly dangerous assumptions.
But cool start nonetheless. Should also come up with some method of
exchanging data between the init and actual kernel, probably some struct
of some sort. TODO
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+ For future reference, apos now requires initrd to be found in fdt.
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At least as far as reading memory info, cool.
One issue I have is that .(ro)data is apparently accessed by absolute
addresses, so I need to know at which address the kernel is going to be
loaded. I would prefer completely position independent code, but if
that's not possible then eh.
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+ Added new common/ directory, into which code that should be shared
with init and kernel is to be added. Currently string.c and bytes.c.
Code in common/ should be marked with __weak, so as to allow the arch to
implement a better, more optimised version of the function if
possible/required.
+ Created include/apos/types.h with macros essentially providing the
libc limits.h and stdint.h. At the moment I use gcc/clang predefined
macros for most things.
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