From 6a6255ec67f335639948db8c62385b136809140d Mon Sep 17 00:00:00 2001
From: natrixaeria <upezu@student.kit.edu>
Date: Sat, 2 Nov 2019 21:55:24 +0100
Subject: Rewrite build script

---
 kernel/run | 96 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 96 insertions(+)
 create mode 100755 kernel/run

(limited to 'kernel/run')

diff --git a/kernel/run b/kernel/run
new file mode 100755
index 0000000..df258d8
--- /dev/null
+++ b/kernel/run
@@ -0,0 +1,96 @@
+#!/bin/sh
+
+onerr() {
+    echo -e "\x1b[1;31merror: '$action' failed\x1b[m"
+    exit 1
+}
+
+trap onerr ERR
+
+name="uff"
+build_mode=debug
+action=help
+target=x86_64
+target_name="$target-$name"
+target_path="target/"
+rust_target_path="$target_path/$target_name/$build_mode/"
+iso_path="$target_path/iso/"
+obj_path="$iso_path/obj/"
+src_path="src/"
+asm_path="$src_path/"
+link_script="$src_path/linker.ld"
+grub_cfg="$src_path/grub.cfg"
+
+print_help() {
+    echo "usage: $0 (options) [action]"
+    echo "options:"
+    echo "  -mode=<str>          set build mode (standard: debug)"
+    exit
+}
+
+get_rust_bin() {
+    case "$action" in
+        "test") echo "$rust_target_path/$(ls -t1 $rust_target_path | grep -P '^kernel-[a-fA-F0-9]+$' | head -n1)";;
+        *) echo "$rust_target_path/libkernel.a";;
+    esac
+}
+
+prepare_iso() {
+    mkdir "$target_path" &> /dev/null
+    mkdir "$iso_path" &> /dev/null
+    mkdir "$obj_path" &> /dev/null
+    mkdir "$iso_path/isofiles" &> /dev/null
+    mkdir "$iso_path/isofiles/boot" &> /dev/null
+    mkdir "$iso_path/isofiles/boot/grub" &> /dev/null
+    for f in "$asm_path"/*.asm; do
+        nasm -felf64 "$f" -o "$obj_path/$(basename -s .asm $f).o"
+    done
+    cp "$grub_cfg" "$iso_path/isofiles/boot/grub/grub.cfg"
+}
+
+build_iso() {
+    ld -n -o "$iso_path/isofiles/boot/kernel.bin" -gc-sections -T "$link_script" "$obj_path"/*.o "$(get_rust_bin)"
+    grub-mkrescue -d /usr/lib/grub/i386-pc -o "$iso_path/uff.iso" "$iso_path/isofiles"
+}
+
+build() {
+    if test ! -d "$iso_path/isofiles"; then
+        prepare_iso
+    fi
+    cargo xbuild
+    build_iso
+}
+
+build_test() {
+    if test ! -d "$iso_path/isofiles"; then
+        prepare_iso
+    fi
+    RUSTFLAGS="-Clink-arg=-r -Clink-dead-code" cargo xtest --no-run
+    build_iso
+}
+
+run() {
+    qemu-system-x86_64 -cdrom "$iso_path/uff.iso"
+}
+
+for arg in "$@"; do
+    case "$arg" in
+        -mode=*)
+            build_mode="$(echo $arg | sed "s/^-mode=//")";;
+        "run") action=run;;
+        "build") action=build;;
+        "test") action=test;;
+        "help") action=help;;
+        *)
+            echo "warn: ignoring unknown option '$arg'";;
+    esac
+done
+
+case "$action" in
+    "help") print_help;;
+    "build") build;;
+    "test") build_test; run;;
+    "run") build; run;;
+esac
+
+echo -e "\x1b[1;32mdone\x1b[m"
-- 
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