xref: /OK3568_Linux_fs/buildroot/board/qemu/post-image.sh (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1#!/bin/bash
2
3QEMU_BOARD_DIR="$(dirname $0)"
4DEFCONFIG_NAME="$(basename $2)"
5README_FILES="${QEMU_BOARD_DIR}/*/readme.txt"
6START_QEMU_SCRIPT="${BINARIES_DIR}/start-qemu.sh"
7
8if [[ "${DEFCONFIG_NAME}" =~ ^"qemu_*" ]]; then
9    # Not a Qemu defconfig, can't test.
10    exit 0
11fi
12
13# Search for "# qemu_*_defconfig" tag in all readme.txt files.
14# Qemu command line on multilines using back slash are accepted.
15QEMU_CMD_LINE=$(sed -r ':a; /\\$/N; s/\\\n//; s/\t/ /; ta; /# '${DEFCONFIG_NAME}'$/!d; s/#.*//' ${README_FILES})
16
17if [ -z "${QEMU_CMD_LINE}" ]; then
18    # No Qemu cmd line found, can't test.
19    exit 0
20fi
21
22# Remove output/images path since the script will be in
23# the same directory as the kernel and the rootfs images.
24QEMU_CMD_LINE="${QEMU_CMD_LINE//output\/images\//}"
25
26# Remove -serial stdio if present, keep it as default args
27DEFAULT_ARGS="$(sed -r -e '/-serial stdio/!d; s/.*(-serial stdio).*/\1/' <<<"${QEMU_CMD_LINE}")"
28QEMU_CMD_LINE="${QEMU_CMD_LINE//-serial stdio/}"
29
30# Remove any string before qemu-system-*
31QEMU_CMD_LINE="$(sed -r -e 's/^.*(qemu-system-)/\1/' <<<"${QEMU_CMD_LINE}")"
32
33# Disable graphical output and redirect serial I/Os to console
34case ${DEFCONFIG_NAME} in
35  (qemu_sh4eb_r2d_defconfig|qemu_sh4_r2d_defconfig)
36    # Special case for SH4
37    SERIAL_ARGS="-serial stdio -display none"
38    ;;
39  (*)
40    SERIAL_ARGS="-nographic"
41    ;;
42esac
43
44cat <<-_EOF_ > "${START_QEMU_SCRIPT}"
45	#!/bin/sh
46	(
47	BINARIES_DIR="\${0%/*}/"
48	cd \${BINARIES_DIR}
49
50	if [ "\${1}" = "serial-only" ]; then
51	    EXTRA_ARGS='${SERIAL_ARGS}'
52	else
53	    EXTRA_ARGS='${DEFAULT_ARGS}'
54	fi
55
56	export PATH="${HOST_DIR}/bin:\${PATH}"
57	exec ${QEMU_CMD_LINE} \${EXTRA_ARGS}
58	)
59_EOF_
60
61chmod +x "${START_QEMU_SCRIPT}"
62