Add boot menu control via command line switch
Disable the lengthy BIOS prompt for selecting a boot device by default,
but let the user reenable it via '-boot menu=on'.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/vl.c b/vl.c
index 7360d4f..2fbea37 100644
--- a/vl.c
+++ b/vl.c
@@ -254,6 +254,7 @@
#endif
int nb_drives_opt;
struct drive_opt drives_opt[MAX_DRIVES];
+int boot_menu;
int nb_numa_nodes;
uint64_t node_mem[MAX_NODES];
@@ -5121,7 +5122,7 @@
case QEMU_OPTION_boot:
{
static const char * const params[] = {
- "order", "once", NULL
+ "order", "once", "menu", NULL
};
char buf[sizeof(boot_devices)];
char *standard_boot_devices;
@@ -5151,6 +5152,19 @@
qemu_register_reset(restore_boot_devices,
standard_boot_devices);
}
+ if (get_param_value(buf, sizeof(buf),
+ "menu", optarg)) {
+ if (!strcmp(buf, "on")) {
+ boot_menu = 1;
+ } else if (!strcmp(buf, "off")) {
+ boot_menu = 0;
+ } else {
+ fprintf(stderr,
+ "qemu: invalid option value '%s'\n",
+ buf);
+ exit(1);
+ }
+ }
}
}
break;