From a694be46628d02844eff053adf5b0ad7881bc70f Mon Sep 17 00:00:00 2001
From: lucic71 <lucic71@ctrl-c.club>
Date: Tue, 28 Jun 2022 19:40:51 +0300
Subject: [PATCH] Reformatting project structure 2: Added shell scripts

---
 build.sh                  |  7 +++++++
 clean.sh                  | 11 +++++++++++
 config.sh                 | 28 ++++++++++++++++++++++++++++
 default-host.sh           |  2 ++
 headers.sh                |  9 +++++++++
 iso.sh                    | 15 +++++++++++++++
 qemu.sh                   |  5 +++++
 target-triplet-to-arch.sh |  6 ++++++
 8 files changed, 83 insertions(+)
 create mode 100755 build.sh
 create mode 100755 clean.sh
 create mode 100755 config.sh
 create mode 100755 default-host.sh
 create mode 100755 headers.sh
 create mode 100755 iso.sh
 create mode 100755 qemu.sh
 create mode 100755 target-triplet-to-arch.sh

diff --git a/build.sh b/build.sh
new file mode 100755
index 0000000..ac56821
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,7 @@
+#!/bin/sh
+set -e
+. ./headers.sh
+
+for PROJECT in $PROJECTS; do
+  (echo "\nMoving in $PROJECT" && cd $PROJECT && DESTDIR="$SYSROOT" $MAKE install)
+done
diff --git a/clean.sh b/clean.sh
new file mode 100755
index 0000000..30878ba
--- /dev/null
+++ b/clean.sh
@@ -0,0 +1,11 @@
+#!/bin/sh
+set -e
+. ./config.sh
+
+for PROJECT in $PROJECTS; do
+  (echo "\nMoving in $PROJECT" && cd $PROJECT && $MAKE clean)
+done
+
+rm -rf sysroot
+rm -rf isodir
+rm -rf os.iso
diff --git a/config.sh b/config.sh
new file mode 100755
index 0000000..a662e38
--- /dev/null
+++ b/config.sh
@@ -0,0 +1,28 @@
+SYSTEM_HEADER_PROJECTS="libc kernel"
+PROJECTS="libc kernel"
+
+export MAKE=${MAKE:-make}
+export HOST=${HOST:-$(./default-host.sh)}
+
+export AR=${HOST}-ar
+export AS=${HOST}-as
+export CC=${HOST}-gcc
+
+export PREFIX=/usr
+export EXEC_PREFIX=$PREFIX
+export BOOTDIR=/boot
+export LIBDIR=$EXEC_PREFIX/lib
+export INCLUDEDIR=$PREFIX/include
+
+export CFLAGS='-g3'
+export CPPFLAGS=''
+
+# Configure the cross-compiler to use the desired system root.
+export SYSROOT="$(pwd)/sysroot"
+export CC="$CC --sysroot=$SYSROOT"
+
+# Work around that the -elf gcc targets doesn't have a system include directory
+# because it was configured with --without-headers rather than --with-sysroot.
+if echo "$HOST" | grep -Eq -- '-elf($|-)'; then
+  export CC="$CC -isystem=$INCLUDEDIR"
+fi
diff --git a/default-host.sh b/default-host.sh
new file mode 100755
index 0000000..7e0f795
--- /dev/null
+++ b/default-host.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo i686-elf
diff --git a/headers.sh b/headers.sh
new file mode 100755
index 0000000..41e8255
--- /dev/null
+++ b/headers.sh
@@ -0,0 +1,9 @@
+#!/bin/sh
+set -e
+. ./config.sh
+
+mkdir -p $SYSROOT
+
+for PROJECT in $SYSTEM_HEADER_PROJECTS; do
+  (echo "\nMoving to $PROJECT" && cd $PROJECT && DESTDIR="$SYSROOT" $MAKE install-headers)
+done
diff --git a/iso.sh b/iso.sh
new file mode 100755
index 0000000..12bb4b6
--- /dev/null
+++ b/iso.sh
@@ -0,0 +1,15 @@
+#!/bin/sh
+set -e
+. ./build.sh
+
+mkdir -p isodir
+mkdir -p isodir/boot
+mkdir -p isodir/boot/grub
+
+cp sysroot/boot/os.kernel isodir/boot/os.kernel
+cat > isodir/boot/grub/grub.cfg << EOF
+menuentry "os" {
+	multiboot /boot/os.kernel
+}
+EOF
+grub-mkrescue -o os.iso isodir
diff --git a/qemu.sh b/qemu.sh
new file mode 100755
index 0000000..238371d
--- /dev/null
+++ b/qemu.sh
@@ -0,0 +1,5 @@
+#!/bin/sh
+set -e
+. ./iso.sh
+
+qemu-system-$(./target-triplet-to-arch.sh $HOST) -cdrom os.iso
diff --git a/target-triplet-to-arch.sh b/target-triplet-to-arch.sh
new file mode 100755
index 0000000..3557285
--- /dev/null
+++ b/target-triplet-to-arch.sh
@@ -0,0 +1,6 @@
+#!/bin/sh
+if echo "$1" | grep -Eq 'i[[:digit:]]86-'; then
+  echo i386
+else
+  echo "$1" | grep -Eo '^[[:alnum:]_]*'
+fi