all: import riscv and riscv64 support from /n/sources/contrib/miller/riscv.tar (2021-05-28) (thanks Richard Miller)

all: import mips64 and spim64 support from bitbucket.org/cherry9/4c (thanks Cherry Zhang)

all: import spim support from bitbucket.org/cherry9/plan9-loongson (thanks Cherry Zhang)

all: import power64 support from Charles Forsyth (thanks Charles Forsyth)

all: add sparc support in libmp and libsec

sys/src/libthread: port threadspawn and threadspawnl functions from plan9port

sys/src/libthread: remove xinc/xdec since they were replaced by ainc/adec (thanks Geoff Collyer)

sys/src/libthread: replace sprint by snprint (thanks Geoff Collyer)

Plan 9 from Bell Labs Fourth Edition 2013-09-20

Plan 9 from Bell Labs Fourth Edition 2013-09-18

Plan 9 from Bell Labs Fourth Edition 2013-09-17

Plan 9 from Bell Labs Fourth Edition 2012-09-20