build: refactor to use autotools (still wip)

.github/workflows/ci.yml

@@ -25,7 +25,7 @@ jobs:
         key: toolchain-${{ matrix.arch }}
 
     - name: Build toolchain ${{ matrix.arch }}
-      run: ARCH=${{ matrix.arch }} ./scripts/build_toolchain.sh
+      run: ARCH=${{ matrix.arch }} ./tools/build_toolchain.sh
 
     - name: Build Fukuro ${{ matrix.arch }}
       run: ARCH=${{ matrix.arch }} make

.github/workflows/codeql-analysis.yml

@@ -26,11 +26,18 @@ jobs:
     steps:
     - name: Checkout repository
       uses: actions/checkout@v2
+      run: |
+        sudo apt-get update
+        sudo apt-get install build-essential libcmocka-dev
 
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v2
       with:
         languages: ${{ matrix.language }}
 
+    - name: Build
+      run: |
+        make test
+
     - name: Perform CodeQL Analysis
       uses: github/codeql-action/analyze@v2

.gitignore

@@ -4,7 +4,30 @@ node_modules/
 toolchain/
 fukuro.iso
 *~
-test
 *.gcda
 *.gcno
-docs/
+docs/html
+*.img
+
+.config
+.config.mk
+config.h
+*.old
+test.exe
+
+*.in
+/aclocal.m4
+*.sub
+*.guess
+/configure
+/install-sh
+Makefile
+/tmp
+/build
+build.mk
+/build-aux/ar-lib
+/build-aux/compile
+/build-aux/depcomp
+/build-aux/install-sh
+/build-aux/missing
+*.cache

Makefile.am

@@ -0,0 +1 @@
+SUBDIRS = lib sys srv

build-aux/git-version

@@ -0,0 +1,20 @@
+#!/bin/sh
+
+v=`git describe --abbrev=4 --match='v[0-9]*' HEAD 2>/dev/null`
+
+if [ ! -n "$v" ]
+then
+	v="0.0"
+fi
+
+c=`git rev-parse --short HEAD`
+
+v="${v}-${c}"
+
+s=`git status`
+if [ -n "$s" ]
+then
+	v="${v}-dirty"
+fi
+
+echo "$v" | tr -d '\012'

codecov.yml

@@ -1,2 +1,2 @@
 ignore:
-  - "**/tests"
+  - "test"

compile_flags.txt

@@ -0,0 +1,10 @@
+-ansi
+-pedantic
+-pedantic-errors
+-Wall
+-Werror
+-Wextra
+-fno-builtin
+-Wno-variadic-macros
+-Dinline=__inline__
+-Isrc/lib

configure.ac

@@ -0,0 +1,97 @@
+m4_define([fukuro_VERSION],
+    m4_esyscmd([build-aux/git-version]))
+AC_INIT([Fukuro],
+    m4_defn([fukuro_VERSION]),
+    [https://github.com/d0p1s4m4/Fukuro/issues])
+AC_COPYRIGHT([Copyright (C) 2023 d0p1])
+
+CFLAGS="-ffreestanding -nostdlib -fno-builtin"
+
+AC_CONFIG_AUX_DIR([build-aux])
+
+AM_INIT_AUTOMAKE([foreign subdir-objects])
+
+dnl overide default AC_LANG_PROGRAM(C) macro
+m4_ifdef([AC_LANG_PROGRAM(c)], m4_undefine[AC_LANG_PROGRAM(c)])
+m4_define([AC_LANG_PROGRAM(C)],
+[$1
+
+int
+_start (void)
+{
+$2
+  ;
+  return 0;
+}])
+
+AC_CANONICAL_HOST
+
+AS_CASE([$host_cpu],
+    [i?86], [
+        systype=i686
+    ],
+    [x86_64], [systype=amd64],
+    [systype=$host_cpu]
+)
+AC_SUBST([systype])
+
+m4_include([sys/configfrag.ac])
+
+AS_IF([! test -d "$srcdir/sys/$systype"],
+    [AC_MSG_ERROR(["$host_cpu isn't supported by Fukuro"])])
+
+AC_CONFIG_HEADERS([config.h])
+AC_CONFIG_FILES([Makefile lib/Makefile srv/Makefile sys/Makefile])
+
+AC_LANG([C])
+save_cross_compiling=$cross_compiling
+cross_compiling=yes
+AM_PROG_AS
+cross_compiling=$save_cross_compiling
+AC_PROG_CC
+AC_PROG_CPP
+AC_PROG_RANLIB
+AC_PROG_LN_S
+AC_PROG_MKDIR_P
+AC_PROG_CC_C_O
+AM_PROG_AR
+
+AC_CHECK_TOOL([STRIP], [strip])
+AC_CHECK_TOOL([OBJCOPY], [objcopy])
+AC_CHECK_PROG([GZIP], [gzip], [gzip])
+AC_CHECK_PROG([QEMU], [qemu-system-$host_cpu], [qemu-system-$host_cpu])
+AC_CHECK_PROG([PYTHON3], [python3], [python3])
+AC_CHECK_PROG([DOXYGEN], [doxygen], [doxygen])
+
+AC_C_CONST
+AC_C_INLINE
+AC_C_VOLATILE
+AC_C_BIGENDIAN
+AC_CHECK_HEADERS([stdarg.h])
+AC_C_STRINGIZE
+
+AC_CHECK_TYPE(uintptr_t)
+AC_TYPE_SIZE_T
+
+AC_CONFIG_LINKS(["sys/machine":"$srcdir/sys/$systype"])
+
+AC_ARG_ENABLE([ncpus],
+	AS_HELP_STRING([--enable-ncpus=N], []),
+	[ncpu=$enable_ncpus]
+	[ncpu=1])
+AC_DEFINE_UNQUOTED([NCPUS], [$ncpus], [number of CPUs])
+
+m4_include([srv/configfrag.ac])
+
+AC_OUTPUT
+AC_MSG_RESULT([
+    Fukurō version: $PACKAGE_STRING
+    Architecture:   $host_cpu
+
+    C Compiler:     $CC
+    Asm Compiler:   $CCAS
+
+    CFLAGS:         $CFLAGS
+    CCASFLAGS:      $CCASFLAG
+    LDFLAGS:        $LDFLAGS
+])

docs/credits.md

@@ -0,0 +1,44 @@
+# Credits
+
+Fukurō takes inspirations and/or reuse code from the following projects:
+
+## BRUTAL
+
+Striking modernist shapes and bold use of modern C are the hallmarks of BRUTAL. Inspired by brutalist design BRUTAL combines the ideals of UNIX from the 1970s with modern technology and engineering. 
+
+URL: <https://github.com/brutal-org/brutal>
+
+```
+MIT License
+
+Copyright (c) 2021-2022 The brutal operating system contributors
+```
+
+## cute-engineewing
+
+A group of hackers who design minimalist software.
+
+URL: <https://github.com/cute-engineewing>
+
+```
+BSD 3-Clause License
+
+Copyright (c) 2021, cute-engineewing
+Copyright (c) 2021, The µnix Contributors
+```
+
+## Minix 3
+
+Minix (from mini-Unix) is a Unix-like operating system.
+
+URL: <https://wiki.minix3.org>
+
+```
+BSD 3-Clause License
+
+Copyright (c) 1987,1997,2001 Prentice Hall
+```
+
+## Albert Hofmann
+
+The first known person to synthesize, ingest, and learn of the psychedelic effects of lysergic acid diethylamide (LSD).

docs/layout.md

@@ -0,0 +1,26 @@
+# Source layout
+
+- `docs/` Documentation
+- `make/` Makefiles helper
+    - `aarch64/`
+	- `arm/`
+    - `x86/`
+        - `32/`
+        - `64/`
+- `src/`
+    - `kernel/`
+        - `arch/`
+            - `aarch64/`
+            - `arm/`
+            - `x86/`
+                - `32/`
+                - `64/`
+    - `lib/`
+        - `minic/`
+        - `fukuro/`
+    - `server/`
+        - `net/`
+        - `rtl8139/`
+- `test/`
+- `thirdparty/` Sources code from external source
+- `tools/` Scripts used in order to build Fukurō