Marco Dalla Stella @mdallastella

Andrius Štikonas<a href="https://mastodon.social/@ekaitz_zarraga" class="u-url mention" rel="nofollow noopener" target="_blank">@ekaitz_zarraga</a> and I have finally bootstrapped <a href="https://fosstodon.org/tags/TinyCC" class="mention hashtag" rel="nofollow noopener" target="_blank">#TinyCC</a> on <a href="https://fosstodon.org/tags/RISCV" class="mention hashtag" rel="nofollow noopener" target="_blank">#RISCV</a> starting from GNU <a href="https://fosstodon.org/tags/Mes" class="mention hashtag" rel="nofollow noopener" target="_blank">#Mes</a> and <a href="https://fosstodon.org/tags/MesCC" class="mention hashtag" rel="nofollow noopener" target="_blank">#MesCC</a> (and eventually tiny <a href="https://fosstodon.org/tags/hex0" class="mention hashtag" rel="nofollow noopener" target="_blank">#hex0</a> binary if you go further back).The binary that we have built is self-hosting and can build itself, though perhaps a few more bugfixes will be needed to reach the newest version of tcc.<a href="https://todon.nl/@janneke" class="u-url mention" rel="nofollow noopener" target="_blank">@janneke</a> <a href="https://tooot.im/@efraim" class="u-url mention" rel="nofollow noopener" target="_blank">@efraim</a> <a href="https://fosstodon.org/tags/bootstrappableBuilds" class="mention hashtag" rel="nofollow noopener" target="_blank">#bootstrappableBuilds</a> <a href="https://fosstodon.org/tags/reproducibleBuilds" class="mention hashtag" rel="nofollow noopener" target="_blank">#reproducibleBuilds</a>

Andrius Štikonas<a href="https://todon.nl/@janneke" class="u-url mention" rel="nofollow noopener" target="_blank">@janneke</a> <a href="https://functional.cafe/@aziz" class="u-url mention" rel="nofollow noopener" target="_blank">@aziz</a> <a href="https://hostux.social/@fsf" class="u-url mention" rel="nofollow noopener" target="_blank">@fsf</a> <a href="https://mastodon.social/@fsfe" class="u-url mention" rel="nofollow noopener" target="_blank">@fsfe</a> <a href="https://fosstodon.org/@reproducible_builds" class="u-url mention" rel="nofollow noopener" target="_blank">@reproducible_builds</a> <a href="https://mastodon.social/@ekaitz_zarraga" class="u-url mention" rel="nofollow noopener" target="_blank">@ekaitz_zarraga</a> Indeed! Right now we can bootstrap all the way from <a href="https://fosstodon.org/tags/hex0" class="mention hashtag" rel="nofollow noopener" target="_blank">#hex0</a> to <a href="https://fosstodon.org/tags/Mes" class="mention hashtag" rel="nofollow noopener" target="_blank">#Mes</a>, then use <a href="https://fosstodon.org/tags/MesCC" class="mention hashtag" rel="nofollow noopener" target="_blank">#MesCC</a> to build very first build of <a href="https://fosstodon.org/tags/tinycc" class="mention hashtag" rel="nofollow noopener" target="_blank">#tinycc</a> (we can call it mes-tcc). mes-tcc can then build the next build of tinycc (boot0-tcc). Unfortunately, at the moment boot0-tcc segfaults. Today, I fixed one crash which was due to Global Offset Table being all zeros but it turns out we are now hitting another segfault, so more work is needed.<a href="https://fosstodon.org/tags/bootstrappableBuilds" class="mention hashtag" rel="nofollow noopener" target="_blank">#bootstrappableBuilds</a>

Andrius Štikonas<a href="https://social.unboiled.info/users/monk" class="u-url mention" rel="nofollow noopener" target="_blank">@monk</a> Why is it from <a href="https://fosstodon.org/tags/TinyCC" class="mention hashtag" rel="nofollow noopener" target="_blank">#TinyCC</a>. We have successfully bootstrapped kernel and userspace on x86 from far smaller binaries. E.g. builder-hex0 is about 200 bytes of code.

Andrius ŠtikonasSpent part of my <a href="https://fosstodon.org/tags/RechageDay" class="mention hashtag" rel="nofollow noopener" target="_blank">#RechageDay</a> at <a href="https://fosstodon.org/tags/AMD" class="mention hashtag" rel="nofollow noopener" target="_blank">#AMD</a> looking at bootstrapping <a href="https://fosstodon.org/tags/TinyCC" class="mention hashtag" rel="nofollow noopener" target="_blank">#TinyCC</a> 0.9.26 from <a href="https://fosstodon.org/tags/GNUMes" class="mention hashtag" rel="nofollow noopener" target="_blank">#GNUMes</a> on <a href="https://fosstodon.org/tags/x86_64" class="mention hashtag" rel="nofollow noopener" target="_blank">#x86_64</a> architecture. And thanks to <a href="https://fosstodon.org/tags/Mes" class="mention hashtag" rel="nofollow noopener" target="_blank">#Mes</a> mantainer <a href="https://todon.nl/@janneke" class="u-url mention" rel="nofollow noopener" target="_blank">@janneke</a> for his help with debugging various issues. We can now build initial <a href="https://fosstodon.org/tags/tcc" class="mention hashtag" rel="nofollow noopener" target="_blank">#tcc</a> binary and it can even run some simple commands such as --help or -vv.Unfortunately, we still hit some critical bugs when trying to use this tcc binary to rebuild itself but hopefully we are not far now.<a href="https://fosstodon.org/tags/bootstrappable" class="mention hashtag" rel="nofollow noopener" target="_blank">#bootstrappable</a> <a href="https://fosstodon.org/tags/BootstrappableBuilds" class="mention hashtag" rel="nofollow noopener" target="_blank">#BootstrappableBuilds</a> <a href="https://fosstodon.org/tags/ReproducibleBuilds" class="mention hashtag" rel="nofollow noopener" target="_blank">#ReproducibleBuilds</a>

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