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)
{
}
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);
"-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"