nixpkgs/pkgs/os-specific/linux/minimal-bootstrap/mes/default.nix
2023-05-22 22:05:21 +10:00

238 lines
8 KiB
Nix

{ lib
, fetchurl
, callPackage
, kaem
, m2libc
, mescc-tools
}:
# Maintenance note:
# Build steps have been adapted from build-aux/bootstrap.sh.in
# as well as the live-bootstrap project
# https://github.com/fosslinux/live-bootstrap/blob/1bc4296091c51f53a5598050c8956d16e945b0f5/sysa/mes-0.24.2/mes-0.24.2.kaem
let
pname = "mes";
version = "0.24.2";
src = fetchurl {
url = "mirror://gnu/mes/mes-${version}.tar.gz";
sha256 = "0vp8v88zszh1imm3dvdfi3m8cywshdj7xcrsq4cgmss69s2y1nkx";
};
nyacc = callPackage ./nyacc.nix { inherit nyacc; };
config_h = builtins.toFile "config.h" ''
#undef SYSTEM_LIBC
#define MES_VERSION "${version}"
'';
sources = (import ./sources.nix).x86.linux.mescc;
inherit (sources) libc_mini_SOURCES libmescc_SOURCES libc_SOURCES mes_SOURCES;
# add symlink() to libc+tcc so we can use it in ln-boot
libc_tcc_SOURCES = sources.libc_tcc_SOURCES ++ [ "lib/linux/symlink.c" ];
meta = with lib; {
description = "Scheme interpreter and C compiler for bootstrapping";
homepage = "https://www.gnu.org/software/mes";
license = licenses.gpl3Plus;
maintainers = teams.minimal-bootstrap.members;
platforms = [ "i686-linux" ];
};
srcPost = kaem.runCommand "${pname}-src-${version}" {
outputs = [ "out" "bin" ];
inherit meta;
} ''
# Unpack source
ungz --file ${src} --output mes.tar
mkdir ''${out}
cd ''${out}
untar --non-strict --file ''${NIX_BUILD_TOP}/mes.tar # ignore symlinks
MES_PREFIX=''${out}/mes-${version}
cd ''${MES_PREFIX}
cp ${config_h} include/mes/config.h
mkdir include/arch
cp include/linux/x86/syscall.h include/arch/syscall.h
cp include/linux/x86/kernel-stat.h include/arch/kernel-stat.h
# Remove pregenerated files
rm mes/module/mes/psyntax.pp mes/module/mes/psyntax.pp.header
# These files are symlinked in the repo
cp mes/module/srfi/srfi-9-struct.mes mes/module/srfi/srfi-9.mes
cp mes/module/srfi/srfi-9/gnu-struct.mes mes/module/srfi/srfi-9/gnu.mes
# Fixes to support newer M2-Planet
catm x86_defs.M1 ${m2libc}/x86/x86_defs.M1 lib/m2/x86/x86_defs.M1
cp x86_defs.M1 lib/m2/x86/x86_defs.M1
rm x86_defs.M1
# Remove environment impurities
__GUILE_LOAD_PATH="\"''${MES_PREFIX}/mes/module:''${MES_PREFIX}/module:${nyacc.guilePath}\""
boot0_scm=mes/module/mes/boot-0.scm
guile_mes=mes/module/mes/guile.mes
replace --file ''${boot0_scm} --output ''${boot0_scm} --match-on "(getenv \"GUILE_LOAD_PATH\")" --replace-with ''${__GUILE_LOAD_PATH}
replace --file ''${guile_mes} --output ''${guile_mes} --match-on "(getenv \"GUILE_LOAD_PATH\")" --replace-with ''${__GUILE_LOAD_PATH}
module_mescc_scm=module/mescc/mescc.scm
replace --file ''${module_mescc_scm} --output ''${module_mescc_scm} --match-on "(getenv \"M1\")" --replace-with "\"${mescc-tools}/bin/M1\""
replace --file ''${module_mescc_scm} --output ''${module_mescc_scm} --match-on "(getenv \"HEX2\")" --replace-with "\"${mescc-tools}/bin/hex2\""
replace --file ''${module_mescc_scm} --output ''${module_mescc_scm} --match-on "(getenv \"BLOOD_ELF\")" --replace-with "\"${mescc-tools}/bin/blood-elf\""
replace --file ''${module_mescc_scm} --output ''${module_mescc_scm} --match-on "(getenv \"srcdest\")" --replace-with "\"''${MES_PREFIX}\""
mes_c=src/mes.c
replace --file ''${mes_c} --output ''${mes_c} --match-on "getenv (\"MES_PREFIX\")" --replace-with "\"''${MES_PREFIX}\""
replace --file ''${mes_c} --output ''${mes_c} --match-on "getenv (\"srcdest\")" --replace-with "\"''${MES_PREFIX}\""
# Increase runtime resource limits
gc_c=src/gc.c
replace --file ''${gc_c} --output ''${gc_c} --match-on "getenv (\"MES_ARENA\")" --replace-with "\"100000000\""
replace --file ''${gc_c} --output ''${gc_c} --match-on "getenv (\"MES_MAX_ARENA\")" --replace-with "\"100000000\""
replace --file ''${gc_c} --output ''${gc_c} --match-on "getenv (\"MES_STACK\")" --replace-with "\"6000000\""
# Create mescc.scm
mescc_in=scripts/mescc.scm.in
replace --file ''${mescc_in} --output ''${mescc_in} --match-on "(getenv \"MES_PREFIX\")" --replace-with "\"''${MES_PREFIX}\""
replace --file ''${mescc_in} --output ''${mescc_in} --match-on "(getenv \"includedir\")" --replace-with "\"''${MES_PREFIX}/include\""
replace --file ''${mescc_in} --output ''${mescc_in} --match-on "(getenv \"libdir\")" --replace-with "\"''${MES_PREFIX}/lib\""
replace --file ''${mescc_in} --output ''${mescc_in} --match-on @prefix@ --replace-with ''${MES_PREFIX}
replace --file ''${mescc_in} --output ''${mescc_in} --match-on @VERSION@ --replace-with ${version}
replace --file ''${mescc_in} --output ''${mescc_in} --match-on @mes_cpu@ --replace-with x86
replace --file ''${mescc_in} --output ''${mescc_in} --match-on @mes_kernel@ --replace-with linux
mkdir -p ''${bin}/bin
cp ''${mescc_in} ''${bin}/bin/mescc.scm
# Build mes-m2
mes_cpu=x86
stage0_cpu=x86
kaem --verbose --strict --file kaem.run
cp bin/mes-m2 ''${bin}/bin/mes-m2
chmod 555 ''${bin}/bin/mes-m2
'';
srcPrefix = "${srcPost.out}/mes-${version}";
cc = "${srcPost.bin}/bin/mes-m2";
ccArgs = [
"-e" "main"
"${srcPost.bin}/bin/mescc.scm"
"--"
"-D" "HAVE_CONFIG_H=1"
"-I" "${srcPrefix}/include"
"-I" "${srcPrefix}/include/linux/x86"
];
CC = toString ([ cc ] ++ ccArgs);
stripExt = source:
lib.replaceStrings
[ ".c" ]
[ "" ]
(builtins.baseNameOf source);
compile = source: kaem.runCommand (stripExt source) {} ''
mkdir ''${out}
cd ''${out}
${CC} -c ${srcPrefix}/${source}
'';
crt1 = compile "/lib/linux/x86-mes-mescc/crt1.c";
getRes = suffix: res: "${res}/${res.name}${suffix}";
archive = out: sources:
"catm ${out} ${lib.concatMapStringsSep " " (getRes ".o") sources}";
sourceArchive = out: sources:
"catm ${out} ${lib.concatMapStringsSep " " (getRes ".s") sources}";
mkLib = libname: sources: let
os = map compile sources;
in kaem.runCommand "${pname}-${libname}-${version}" {
inherit meta;
} ''
LIBDIR=''${out}/lib
mkdir -p ''${LIBDIR}
cd ''${LIBDIR}
${archive "${libname}.a" os}
${sourceArchive "${libname}.s" os}
'';
libc-mini = mkLib "libc-mini" libc_mini_SOURCES;
libmescc = mkLib "libmescc" libmescc_SOURCES;
libc = mkLib "libc" libc_SOURCES;
libc_tcc = mkLib "libc+tcc" libc_tcc_SOURCES;
# Recompile Mes and Mes C library using mes-m2 bootstrapped Mes
libs = kaem.runCommand "${pname}-m2-libs-${version}" {
inherit pname version;
passthru.tests.get-version = result: kaem.runCommand "${pname}-get-version-${version}" {} ''
${result}/bin/mes --version
mkdir ''${out}
'';
inherit meta;
}
''
LIBDIR=''${out}/lib
mkdir -p ''${out} ''${LIBDIR}
mkdir -p ''${LIBDIR}/x86-mes
# crt1.o
cp ${crt1}/crt1.o ''${LIBDIR}/x86-mes
cp ${crt1}/crt1.s ''${LIBDIR}/x86-mes
# libc-mini.a
cp ${libc-mini}/lib/libc-mini.a ''${LIBDIR}/x86-mes
cp ${libc-mini}/lib/libc-mini.s ''${LIBDIR}/x86-mes
# libmescc.a
cp ${libmescc}/lib/libmescc.a ''${LIBDIR}/x86-mes
cp ${libmescc}/lib/libmescc.s ''${LIBDIR}/x86-mes
# libc.a
cp ${libc}/lib/libc.a ''${LIBDIR}/x86-mes
cp ${libc}/lib/libc.s ''${LIBDIR}/x86-mes
# libc+tcc.a
cp ${libc_tcc}/lib/libc+tcc.a ''${LIBDIR}/x86-mes
cp ${libc_tcc}/lib/libc+tcc.s ''${LIBDIR}/x86-mes
'';
# Build mes itself
compiler = kaem.runCommand "${pname}-${version}" {
inherit pname version;
passthru.tests.get-version = result: kaem.runCommand "${pname}-get-version-${version}" {} ''
${result}/bin/mes --version
mkdir ''${out}
'';
inherit meta;
}
''
mkdir -p ''${out}/bin
${srcPost.bin}/bin/mes-m2 -e main ${srcPost.bin}/bin/mescc.scm -- \
--base-address 0x08048000 \
-L ''${srcPrefix}/lib \
-L ${libs}/lib \
-lc \
-lmescc \
-nostdlib \
-o ''${out}/bin/mes \
${libs}/lib/x86-mes/crt1.o \
${lib.concatMapStringsSep " " (getRes ".o") (map compile mes_SOURCES)}
'';
in {
inherit srcPost srcPrefix nyacc;
inherit compiler libs;
}