Alistair Francis 53c1557b23 hw/char: sifive_uart: Print uart characters async ...

The current approach of using qemu_chr_fe_write() and ignoring the
return values results in dropped characters [1].

Let's update the SiFive UART to use a async sifive_uart_xmit() function
to transmit the characters and apply back pressure to the guest with
the SIFIVE_UART_TXFIFO_FULL status.

This should avoid dropped characters and more realisticly model the
hardware.

1: https://gitlab.com/qemu-project/qemu/-/issues/2114

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Tested-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240910045419.1252277-3-alistair.francis@wdc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

2024-10-30 11:22:08 +10:00

..

avr_usart.h

include/: spelling fixes

2023-09-08 13:08:52 +03:00

bcm2835_aux.h

Use OBJECT_DECLARE_SIMPLE_TYPE when possible

2020-09-18 14:12:32 -04:00

cadence_uart.h

Use OBJECT_DECLARE_SIMPLE_TYPE when possible

2020-09-18 14:12:32 -04:00

cmsdk-apb-uart.h

hw/char/cmsdk-apb-uart: Open-code cmsdk_apb_uart_create()

2023-02-27 13:27:05 +00:00

digic-uart.h

Use OBJECT_DECLARE_SIMPLE_TYPE when possible

2020-09-18 14:12:32 -04:00

escc.h

hw/char/escc: convert Sun mouse to use QemuInputHandler

2024-09-13 20:11:13 +02:00

goldfish_tty.h

include: Include headers where needed

2023-01-08 01:54:22 -05:00

grlib_uart.h

hw/sparc/grlib: split out the headers for each peripherals

2024-02-15 16:58:46 +01:00

ibex_uart.h

include/hw: Do not include "hw/registerfields.h" in headers that don't need it

2023-02-14 09:02:42 +01:00

imx_serial.h

hw/char/imx_serial: Implement receive FIFO and ageing timer

2024-01-26 11:34:21 +00:00

mchp_pfsoc_mmuart.h

hw/char: Extract serial-mm

2024-10-03 19:33:23 +02:00

nrf51_uart.h

Use OBJECT_DECLARE_SIMPLE_TYPE when possible

2020-09-18 14:12:32 -04:00

parallel-isa.h

hw/char/parallel-isa: Implement relocation and enabling/disabling for TYPE_ISA_PARALLEL

2024-02-14 06:09:32 -05:00

parallel.h

hw/char/parallel: Move portio_list from ParallelState to ISAParallelState

2024-02-14 06:09:32 -05:00

pl011.h

hw/char/pl011: Remove unused 'readbuff' field

2024-09-13 20:11:13 +02:00

renesas_sci.h

Use DECLARE_*CHECKER* macros

2020-09-09 09:27:09 -04:00

riscv_htif.h

hw/riscv: Add signature dump function for spike to run ACT tests

2023-05-05 10:49:50 +10:00

serial-isa.h

hw/char/serial.h: Extract serial-isa.h

2024-10-03 19:33:23 +02:00

serial-mm.h

hw/char: Extract serial-mm

2024-10-03 19:33:23 +02:00

serial.h

Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

2024-10-04 19:28:37 +01:00

shakti_uart.h

hw/char: Add Shakti UART emulation

2021-05-11 20:02:05 +10:00

sifive_uart.h

hw/char: sifive_uart: Print uart characters async

2024-10-30 11:22:08 +10:00

stm32f2xx_usart.h

hw/char/stm32f2xx_usart: Add more definitions for CR1 register

2023-11-02 13:36:45 +00:00

stm32l4x5_usart.h

hw/char/stm32l4x5_usart: Enable serial read and write

2024-04-25 10:21:59 +01:00

xilinx_uartlite.h

hw/char/xilinx_uartlite: Open-code xilinx_uartlite_create()

2023-02-27 13:27:05 +00:00