From a5a08302d44a8b1a8c5819b1411002f85bb5f847 Mon Sep 17 00:00:00 2001 From: Artyom Tarasenko Date: Mon, 23 Jan 2017 22:08:59 +0100 Subject: [PATCH] niagara: check if a serial port is available Reported-by: Markus Armbruster Reviewed-by: Markus Armbruster Signed-off-by: Artyom Tarasenko --- hw/sparc64/niagara.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/hw/sparc64/niagara.c b/hw/sparc64/niagara.c index edde86ea2f..9a8d6109d4 100644 --- a/hw/sparc64/niagara.c +++ b/hw/sparc64/niagara.c @@ -158,9 +158,10 @@ static void niagara_init(MachineState *machine) 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); }