resources describing a musl port to a new architecture
http://brightrain.aerifal.cx/~niklata/PORTING
http://www.openwall.com/lists/musl/2012/07/08/1
commit introducing a new C-based crt framework, which makes writing arch-specific startup-code much simpler.
commit of the or1k port, which shows the porting work required for a new arch.
the unsquashed history of the powerpc port has been archived @ https://github.com/rofl0r/musl-ppc (branch ppc)
the unsquashed history of the x32 port has been archived @ https://github.com/rofl0r/musl (branch x32g)
[AArch64][Porting/AArch64] porting page.
use the [libc-test] testsuite to test your port.