83 lines
2.8 KiB
Org Mode
83 lines
2.8 KiB
Org Mode
#+COMMENT: -*- org -*-
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#+TITLE: Porting GNU Mes
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* Porting GNU Mes to ARM
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The ARM port can be found in wip-arm on savannah.
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For development, we use Guix's qemu-binfmt-service-type.
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** Guix Setup, see [[info:guix#Virtualization%20Services][Virtualization Services]].
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Add something like
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#+BEGIN_SRC scheme
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(service qemu-binfmt-service-type
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(qemu-binfmt-configuration
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(platforms (lookup-qemu-platforms "arm"))
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(guix-support? #t)))
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#+END_SRC
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to your config.scm and run guix system reconfigure.
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** Setup environment
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For example (note: ARM is no longer a 'port', see HACKING)
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#+BEGIN_SRC bash
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guix shell --system=armhf-linux --pure bash coreutils diffutils findutils gawk gcc-toolchain grep git guile gzip help2man make mescc-tools nyacc openssh-sans-x pkg-config sed tar texinfo
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#+END_SRC
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** Try it
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#+BEGIN_SRC bash
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CC=gnu-triplet-gcc ./configure --with-courage --with-system-libc
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./simple.sh
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#+END_SRC
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some failures are expected.
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** Build it
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#+BEGIN_SRC bash
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./configure --with-courage --with-system-libc
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make MES=guile
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make check
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#+END_SRC
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expect many failures. Non-system-libc, i.e. using the Mes C Library is currently WIP.
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* Porting GNU Mes to x86_64
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The x86_64 port is almost done, only a few bugs remain. The Guix
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bootstrap for x86_64 uses x86 mes and that is not expected to change.
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* Porting GNU Mes to GNU/Hurd
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The Hurd port can be found in wip-hurd on savannah. For development, we
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use a Debian GNU/Hurd vm.
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* Porting GNU Mes to FreeBSD
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The FreeBSD port can be found in wip-freebsd on savannah.
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* Porting the Reduced Binary Seed bootstrap to NixOS
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The NixOS port of the Reduced Binary Seed bootstrap lives on the
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mes-bootstrap branch in https://github.com/xwvvvvwx/nixpkgs
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* Porting the Reduced Binary Seed bootstrap to Debian GNU/Linux
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To port the Reduced Binary Seed bootstrap to a traditional distribution
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such as Debian, two things need to happen: the bootstrap must be ported
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and the distribution build process needs to change to start from a only
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binary seed.
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The porting aspect is probably easiest: we start by packaging GNU Mes as
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a regular package. Having Mes built as a regular package, we can then
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build a bootstrap Mes. This bootstrap Mes can be used to build tinycc,
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and so on.
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Once we have shown that the Debian base system can be bootstrapped from
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a Reduced Binary seed, thus significantly reducing the Trusted Computing
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Base (TCB), strategic decisions about the build process can start.
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* Legalese
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Copyright © 2019,2022 Jan (janneke) Nieuwenhuizen <[[mailto:janneke@gnu.org][janneke@gnu.org]]>
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Copying and distribution of this file, with or without modification,
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are permitted in any medium without royalty provided the copyright
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notice and this notice are preserved.
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