Merge pull request #50 from Ultramarine-Linux/pr/41-qemu-scripts

Rewrite QEMU scripts

.gitignore

@@ -1,2 +1,3 @@
 katsu-work/
-.DS_Store
+.DS_Store
+*.env*

qemu.sh

@@ -0,0 +1,80 @@
+#!/bin/bash
+
+set -x
+
+# This script is used to aid in testing Katsu builds. It will help you quickly set up a QEMU VM test environment so
+# you can manually test builds. This script shouldn't be used in prod and is meant for development only.
+
+# USAGE
+# ./qemu.sh [qemu-disk|qemu-iso]
+# If no argument is provided, qemu-disk is used by default
+
+
+# Variables for test environment
+
+# load .env if it exists
+if [ -f .env ]; then
+    source .env
+fi
+
+# default values for QEMU
+: ${QEMU_MEM:="4G"}
+: ${QEMU_CPU:="4"}
+: ${QEMU_BOOT:="uefi"}
+
+TEST_HOME=$(pwd)/.test
+KATSU_WORK=$(pwd)/katsu-work
+
+# Get testing mode from second argument
+
+if [ -z "$1" ]; then
+    SCRIPT_MODE="qemu-disk"
+else
+    SCRIPT_MODE=$1
+fi
+
+function find_iso {
+    iso_path=$(find $KATSU_WORK -name "*.iso" | head -n 1)
+    if [ -z "$iso_path" ]; then
+        echo "No ISO found in $KATSU_WORK"
+        exit 1
+    fi
+    echo $iso_path
+}
+
+
+# Quickly get the absolute path of a file
+
+function abs_path {
+    echo $(realpath $1)
+}
+
+KATSU_IMG_PATH="$KATSU_WORK/image/katsu.img"
+
+
+if [ "$SCRIPT_MODE" = "qemu-disk" ]; then
+    QEMU_ARGS="-drive file="$KATSU_IMG_PATH",format=raw,if=virtio"
+else
+    QEMU_ARGS="-cdrom $(find_iso)"
+fi
+
+# if QEMU_BOOT = "uefi" then add UEFI firmware
+if [ "$QEMU_BOOT" = "uefi" ]; then
+    QEMU_ARGS+=" -bios /usr/share/OVMF/OVMF_CODE.fd"
+fi
+
+
+# Run QEMU
+
+
+function setup_test_home {
+    mkdir -p $TEST_HOME
+    mkdir -p $KATSU_WORK
+}
+
+qemu-kvm \
+    -machine type=q35,accel=kvm \
+    -cpu host \
+    -m $QEMU_MEM \
+    -smp $QEMU_CPU \
+    $QEMU_ARGS