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-rwxr-xr-xscripts/boot-image.sh65
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diff --git a/scripts/boot-image.sh b/scripts/boot-image.sh
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1#!/usr/bin/env bash
2#
3# scripts/boot-image.sh — boot rs-dos full chain disk image in QEMU
4#
5# Builds the image first if needed, then boots with UEFI firmware through
6# the real boot chain: firmware → rsboot → rsnix kernel.
7#
8# Usage:
9# ./scripts/boot-image.sh [--gui] [--debug] [--mem 512M] [--smp 2]
10#
11# Keybindings:
12# Ctrl-A X — quit
13# Ctrl-A C — QEMU monitor
14#
15# Environment:
16# OVMF path to OVMF firmware (default: /usr/share/edk2/x64/OVMF.4m.fd)
17# MEM memory size (default: 256M)
18# SMP CPU count (default: 1)
19#
20set -euo pipefail
21
22SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
23PROJECT_DIR="$(cd "$SCRIPT_DIR/.." && pwd)"
24cd "$PROJECT_DIR"
25
26IMAGE="${1:-rs-dos.img}"
27
28# ---- config ----
29OVMF="${OVMF:-/usr/share/edk2/x64/OVMF.4m.fd}"
30MEM="${MEM:-256M}"
31SMP="${SMP:-1}"
32GUI=""
33DEBUG=""
34
35# ---- args ----
36source "$SCRIPT_DIR/lib-boot-args.sh"
37parse_boot_args "$@"
38
39# ---- build image if missing ----
40if [ ! -f "$IMAGE" ]; then
41 echo "Image not found, building..."
42 "$SCRIPT_DIR/mksystem.sh" --chain --gpt "$IMAGE"
43fi
44
45# ---- boot ----
46echo ""
47echo "=== Booting (full chain: firmware → rsboot → rsnix) ==="
48echo " image: $IMAGE"
49echo " ovmf: $OVMF"
50echo " mem: $MEM smp: $SMP"
51echo " gui: $([ -n "$GUI" ] && echo yes || echo no)"
52echo " gdb: $([ -n "$DEBUG" ] && echo ':1234' || echo off)"
53echo ""
54
55exec qemu-system-x86_64 \
56 -bios "$OVMF" \
57 -drive file="$IMAGE",format=raw,if=none,id=hd \
58 -device ide-hd,drive=hd \
59 -serial stdio \
60 -m "$MEM" \
61 -machine q35 \
62 -cpu qemu64 \
63 -no-reboot \
64 -smp "$SMP" \
65 $GUI $DEBUG