To make all serials work well, unify value of the last three serials' registers with the first serial. Otherwise, using ttyS1, ttyS2, ttyS3 as console will slow the output.
Signed-off-by: Liming Wang <[email protected]> --- tools/kvm/hw/serial.c | 17 ++++++++++------- 1 files changed, 10 insertions(+), 7 deletions(-) diff --git a/tools/kvm/hw/serial.c b/tools/kvm/hw/serial.c index 1199264..f817a4e 100644 --- a/tools/kvm/hw/serial.c +++ b/tools/kvm/hw/serial.c @@ -31,6 +31,12 @@ struct serial8250_device { u8 scr; }; +#define SERIAL_REGS_SETTING \ + .iir = UART_IIR_NO_INT, \ + .lsr = UART_LSR_TEMT | UART_LSR_THRE, \ + .msr = UART_MSR_DCD | UART_MSR_DSR | UART_MSR_CTS, \ + .mcr = UART_MCR_OUT2, + static struct serial8250_device devices[] = { /* ttyS0 */ [0] = { @@ -39,10 +45,7 @@ static struct serial8250_device devices[] = { .iobase = 0x3f8, .irq = 4, - .iir = UART_IIR_NO_INT, - .lsr = UART_LSR_TEMT | UART_LSR_THRE, - .msr = UART_MSR_DCD | UART_MSR_DSR | UART_MSR_CTS, - .mcr = UART_MCR_OUT2, + SERIAL_REGS_SETTING }, /* ttyS1 */ [1] = { @@ -51,7 +54,7 @@ static struct serial8250_device devices[] = { .iobase = 0x2f8, .irq = 3, - .iir = UART_IIR_NO_INT, + SERIAL_REGS_SETTING }, /* ttyS2 */ [2] = { @@ -60,7 +63,7 @@ static struct serial8250_device devices[] = { .iobase = 0x3e8, .irq = 4, - .iir = UART_IIR_NO_INT, + SERIAL_REGS_SETTING }, /* ttyS3 */ [3] = { @@ -69,7 +72,7 @@ static struct serial8250_device devices[] = { .iobase = 0x2e8, .irq = 3, - .iir = UART_IIR_NO_INT, + SERIAL_REGS_SETTING }, }; -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
