zephyr/drivers/serial/Kconfig.xen

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# Xen hypervisor console via UART setup
#
# Copyright (c) 2021 EPAM Systems
# SPDX-License-Identifier: Apache-2.0
#
config UART_XEN_HVC
bool "Xen hypervisor DomU console UART driver"
default y
depends on DT_HAS_XEN_HVC_UART_ENABLED
select SERIAL_HAS_DRIVER
select SERIAL_SUPPORT_INTERRUPT
depends on !XEN_INITIAL_DOMAIN
help
Enable Xen ring buffer based hypervisor console driver. Used
for Zephyr as unprivileged domain.
config UART_XEN_HVC_CONSOLEIO
bool "Xen hypervisor Dom0 console UART driver"
select SERIAL_HAS_DRIVER
depends on BOARD_XENVM
depends on XEN_INITIAL_DOMAIN
default y
help
Enable Xen hypervisor console driver. Used for Zephyr as
privileged domain (Dom0).
config XEN_HVC_INIT_PRIORITY
int "Xen hypervisor console init priority"
depends on UART_XEN_HVC || UART_XEN_HVC_CONSOLEIO
default 55
help
Set init priority for Xen HVC, should be inited before UART
console driver (HVC gets inited on PRE_KERNEL_1 stage).
config XEN_EARLY_CONSOLEIO
bool "Early printk/stdout through console_io Xen interface"
depends on BOARD_XENVM
depends on UART_XEN_HVC
help
Enable setting of console_io symbol hook for stdout and printk.
Log output will become available on PRE_KERNEL_1 stage. Requires
Xen, compiled with CONFIG_DEBUG flag.