osi-shell: Allow setting qemu args

1 files changed, 8 insertions, 7 deletions

diff --git a/osi-shell b/osi-shell
index f8b6ee8..d282268 100755
--- a/osi-shell
+++ b/osi-shell
@@ -8,6 +8,8 @@ source ./lib/osi.sh
 
 main() {
 	local arg_mode=main
+	local arg_image=
+	local arg_qemu=()
 	local args
 	if ! args="$(getopt -n "${0##*/}" -o hV -l help,version -- "$@")"; then
 		arg_mode=error
@@ -23,15 +25,12 @@ main() {
 		done
 		case "$arg_mode" in
 			main)
-				if (( $# != 1 )); then
-					if (( $# == 0 )); then
-						error 0 "Expected 1 positional argument, got none"
-					else
-						error 0 "Expected 1 positional argument, got %d: %s" "$#" "${*@Q}"
-					fi
+				if (( $# < 1 )); then
+					error 0 "Expected at least 1 positional argument, got none"
 					arg_mode=error
 				else
 					arg_image=$1
+					arg_qemu=("${@:2}")
 				fi
 				;;
 		esac
@@ -43,7 +42,8 @@ main() {
 			return 0
 			;;
 		usage)
-			print 'Usage: %s [OPTIONS] FILENAME.img [< SCRIPT.sh]' "${0##*/}"
+			print 'Usage: %s [OPTIONS] FILENAME.img [-- QEMU_ARGS...] [< SCRIPT.sh]' "${0##*/}"
+			print '   or: %s [OPTIONS] -- FILENAME.img [QEMU_ARGS...] [< SCRIPT.sh]' "${0##*/}"
 			print 'Operating System Image: Interactive Shell'
 			echo
 			print 'OPTIONS:'
@@ -65,6 +65,7 @@ main() {
 			    -drive media=disk,format=raw,if=virtio,file="$arg_image" \
 			    -serial stdio \
 			    -serial file:"$tmp/exit" \
+			    "${arg_qemu[@]}" \
 			    < <(cat <"$tmp/sync" >/dev/null; cat; while sleep 0.1; do printf '\x04'; done) \
 			    > >(read -r -N1 c; printf '%s' "$c"; :>"$tmp/sync"; exec cat)