diff options
Diffstat (limited to 'vl.c')
| -rw-r--r-- | vl.c | 17 |
1 files changed, 14 insertions, 3 deletions
@@ -4949,6 +4949,11 @@ int drive_get_max_bus(BlockInterfaceType type) return max_bus; } +static void bdrv_format_print(void *opaque, const char *name) +{ + fprintf(stderr, " %s", name); +} + static int drive_init(struct drive_opt *arg, int snapshot, QEMUMachine *machine) { @@ -5138,6 +5143,12 @@ static int drive_init(struct drive_opt *arg, int snapshot, } if (get_param_value(buf, sizeof(buf), "format", str)) { + if (strcmp(buf, "?") == 0) { + fprintf(stderr, "qemu: Supported formats:"); + bdrv_iterate_format(bdrv_format_print, NULL); + fprintf(stderr, "\n"); + return -1; + } drv = bdrv_find_format(buf); if (!drv) { fprintf(stderr, "qemu: '%s' invalid format\n", buf); @@ -7634,9 +7645,9 @@ static void help(int exitcode) "-hda/-hdb file use 'file' as IDE hard disk 0/1 image\n" "-hdc/-hdd file use 'file' as IDE hard disk 2/3 image\n" "-cdrom file use 'file' as IDE cdrom image (cdrom is ide1 master)\n" - "-drive [file=file][,if=type][,bus=n][,unit=m][,media=d][index=i]\n" - " [,cyls=c,heads=h,secs=s[,trans=t]][snapshot=on|off]" - " [,cache=on|off]\n" + "-drive [file=file][,if=type][,bus=n][,unit=m][,media=d][,index=i]\n" + " [,cyls=c,heads=h,secs=s[,trans=t]][,snapshot=on|off]\n" + " [,cache=on|off][,format=f]\n" " use 'file' as a drive image\n" "-mtdblock file use 'file' as on-board Flash memory image\n" "-sd file use 'file' as SecureDigital card image\n" |