Orians, Jeremiah (DTMB) writes: >> Interesting... I'm looking at >> https://github.com/oriansj/M2-Planet/blob/master/seed.M1 >> How was it written? It seems like a monumental task to write all >> that and keep enough context in one's head! > Then again, I have >> never written assembly before... > > If you'll notice https://github.com/oriansj/M2-Planet/blob/master/seed.M1#L2 > > It explicitly says it was generated from stage0 > https://savannah.nongnu.org/projects/stage0/ > Specifically cc_x86 > http://git.savannah.nongnu.org/cgit/stage0.git/tree/stage2/cc_x86.s > Which was built by M0: > http://git.savannah.nongnu.org/cgit/stage0.git/tree/stage1/M0-macro.hex2 > Which was built by hex2: > http://git.savannah.nongnu.org/cgit/stage0.git/tree/stage1/stage1_assembler-2.hex1 > Which was built by hex1: > http://git.savannah.nongnu.org/cgit/stage0.git/tree/stage1/stage1_assembler-1.hex0 > Which was built by hex0: > http://git.savannah.nongnu.org/cgit/stage0.git/tree/stage1/stage1_assembler-0.hex0 > Which was the 250byte seed used > > Well the work started back in 2016 with > http://git.savannah.nongnu.org/cgit/stage0.git/tree/Linux%20Bootstrap/hex0.s > and > http://git.savannah.nongnu.org/cgit/stage0.git/tree/Linux%20Bootstrap/hex0.hex > > It was written one function at a time, with the arguments passed in registers > and careful preservation of everything passed. > > - Jeremiah Orians
Ah very interesting! Thanks for the history :)