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 <walimisdev@xxxxxxxxx>
---
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
--
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