niagara: check if a serial port is available
Reported-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Artyom Tarasenko <atar4qemu@gmail.com>
diff --git a/hw/sparc64/niagara.c b/hw/sparc64/niagara.c
index edde86e..9a8d610 100644
--- a/hw/sparc64/niagara.c
+++ b/hw/sparc64/niagara.c
@@ -158,9 +158,10 @@
exit(1);
}
}
- serial_mm_init(sysmem, NIAGARA_UART_BASE, 0, NULL, 115200,
- serial_hds[0], DEVICE_BIG_ENDIAN);
-
+ if (serial_hds[0]) {
+ serial_mm_init(sysmem, NIAGARA_UART_BASE, 0, NULL, 115200,
+ serial_hds[0], DEVICE_BIG_ENDIAN);
+ }
empty_slot_init(NIAGARA_IOBBASE, NIAGARA_IOBSIZE);
sun4v_rtc_init(NIAGARA_RTC_BASE);
}