blob: b1663baf967d65346fc6b184bd33289c9cf39178 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
|
#!/usr/bin/env sh
# MIT License, Copyright (c) 2021 Marvin Borner
set -e
cd "$(dirname "$0")"
MAKE=make
NPROC=nproc
SUDO=sudo
TAGS=ctags
mode="${1}"
no_ask="${2}"
build_cross() {
if [ ! -d "./cross/" ]; then
if [ "$no_ask" != "-y" ]; then
echo -n "Do you want to compile a cross compiler (this can take around 20 minutes)? [yn] "
read -r answer
if ! [ "$answer" != "${answer#[Yy]}" ]; then
echo "The compilation of SegelBoot requires a cross compiler!"
exit 1
fi
fi
# Create directory
mkdir -p cross
cd cross
DIR=$(pwd)
# Get sources
mkdir "${DIR}/src" && cd "${DIR}/src"
echo "Downloading..."
curl "https://ftp.gnu.org/gnu/binutils/binutils-2.36.1.tar.gz" >binutils.tar.gz
tar xzf binutils.tar.gz
curl "https://ftp.gnu.org/gnu/gcc/gcc-11.1.0/gcc-11.1.0.tar.gz" >gcc.tar.gz
tar xzf gcc.tar.gz
# Prepare compiling
mkdir -p "${DIR}/opt/bin"
export PREFIX="${DIR}/opt"
export TARGET=i686-elf
export PATH="$PREFIX/bin:$PATH"
# Compile binutils
mkdir "${DIR}/src/build-binutils" && cd "${DIR}/src/build-binutils"
../binutils-2.36.1/configure --target="$TARGET" --prefix="$PREFIX" --with-sysroot --disable-nls --disable-werror
$MAKE -j $($NPROC)
$MAKE install
# Compile GCC
mkdir "${DIR}/src/build-gcc" && cd "${DIR}/src/build-gcc"
../gcc-11.1.0/configure --target="$TARGET" --prefix="$PREFIX" --disable-nls --enable-languages=c --without-headers
$MAKE -j $($NPROC) all-gcc all-target-libgcc
$MAKE install-gcc install-target-libgcc
# Remove sources
rm -rf "${DIR}/src/"
cd "${DIR}/.."
fi
}
# Generate configs for better development experience
generate() {
ctags -R --exclude=.git --exclude=build --exclude=cross .
# Compile commands for ALE in Vim
make --always-make --dry-run |
grep -wE 'gcc|g\+\+' |
grep -w '\-c' |
jq -nR '[inputs|{directory:".", command:., file: match(" [^ ]+$").string[1:]}]' \
>compile_commands.json
}
build() {
mkdir -p build/
# Build
printf "\nBuilding...\n"
$MAKE -j $($NPROC)
# Create disk image
dd if=/dev/zero of=build/disk.img bs=1k count=32k status=none
DEV=$($SUDO losetup --find --partscan --show build/disk.img)
PART="p1"
$SUDO parted -s "$DEV" mklabel msdos mkpart primary ext2 32k 100% -a minimal set 1 boot on
$SUDO mke2fs -b 1024 -q "$DEV$PART"
# Write bootsector but jump over partition table (at 440 to 510)
$SUDO dd if=build/boot.bin of="$DEV" bs=1 count=440 conv=notrunc status=none
$SUDO dd if=build/boot.bin of="$DEV" bs=1 skip=510 seek=510 conv=notrunc status=none
# Mount disk and copy files
mkdir -p mnt/
$SUDO mount "$DEV$PART" mnt/
$SUDO mkdir -p mnt/boot/
$SUDO cp example/segelboot.cfg mnt/boot/
$SUDO cp build/examples/* mnt/boot/
#$SUDO cp -r "$HOME"/code/melvix/disk/* mnt/ || true
#$SUDO cp -r "$HOME"/code/melvix/build/apps/ mnt/apps/ || true
$SUDO umount mnt/ || (sync && $SUDO umount mnt/)
rm -rf mnt/
$SUDO losetup -d "$DEV"
}
emulate() {
qemu-system-i386 -enable-kvm -d guest_errors -cpu max -serial stdio -m 256M -vga std -drive file=build/disk.img,format=raw,index=1,media=disk
}
# Always generate updated configurations
generate
if [ "${mode}" = "cross" ]; then
build_cross
elif [ "${mode}" = "build" ]; then
build_cross
$MAKE clean
build
else
build_cross
$MAKE clean
build
emulate
fi
|
