OpenE2K/qemu-e2k
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f576e0733c
qemu-e2k/hw
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Tong Ho f576e0733c hw/char/pl011: Add support for loopback 
This patch adds loopback for sent characters, sent BREAK,
and modem-control signals.

Loopback of send and modem-control is often used for uart
self tests in real hardware but missing from current pl011
model, resulting in self-test failures when running in QEMU.

This implementation matches what is observed in real pl011
hardware placed in loopback mode:
1. Input characters and BREAK events from serial backend
   are ignored, but
2. Both TX characters and BREAK events are still sent to
   serial backend, in addition to be looped back to RX.

Signed-off-by: Tong Ho <tong.ho@amd.com>
Signed-off-by: Francisco Iglesias <francisco.iglesias@amd.com>
Message-id: 20240227054855.44204-1-tong.ho@amd.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-03-05 13:22:55 +00:00
..
9pfs * configure: use a native non-cross compiler for linux-user 2024-01-04 19:55:20 +00:00
acpi hw/acpi/cpu_hotplug: Include 'x86.h' instead of 'pc.h' 2024-02-20 20:34:21 +03:00
adc hw/adc: Constify VMState 2023-12-29 11:17:30 +11:00
alpha hw/alpha/dp264: use pci_init_nic_devices() 2024-02-02 16:23:47 +00:00
arm hw/arm: Connect BSC to BCM2835 board as I2C0, I2C1 and I2C2 2024-03-05 13:22:55 +00:00
audio hw/audio/sb16: Do not migrate qdev properties 2024-01-05 16:20:15 +01:00
avr hw/avr/atmega: Fix wrong initial value of stack pointer 2023-11-28 14:27:12 +01:00
block block: m25p80: Add support of mt35xu02gbba 2024-02-27 13:01:41 +00:00
char hw/char/pl011: Add support for loopback 2024-03-05 13:22:55 +00:00
core plugins: create CPUPluginState and migrate plugin_mask 2024-02-28 09:11:42 +00:00
cpu target/arm: Move GTimer definitions to new 'gtimer.h' header 2024-01-26 11:30:49 +00:00
cris hw/net/etraxfs-eth: use qemu_configure_nic_device() 2024-02-02 16:23:47 +00:00
cxl hw/cxl: Standardize all references on CXL r3.1 and minor updates 2024-02-14 06:09:33 -05:00
display hw/usb: extract sysbus-ohci to a separate file 2024-02-27 09:37:25 +01:00
dma hw/dma: Pass parent object to i8257_dma_init() 2024-02-15 16:58:46 +01:00
fsi hw/fsi: Aspeed APB2OPB & On-chip peripheral bus 2024-02-01 08:33:18 +01:00
gpio hw/gpio: Connect SD controller to BCM2838 GPIO 2024-02-27 13:01:42 +00:00
hppa hw/hppa: do not require CONFIG_USB 2024-02-27 09:37:13 +01:00
hyperv hv-balloon: use get_min_alignment() to express 32 GiB alignment 2024-02-04 17:42:03 +01:00
i2c hw/i2c: Implement Broadcom Serial Controller (BSC) 2024-03-05 13:22:55 +00:00
i386 vl, pc: turn -no-fd-bootchk into a machine property 2024-02-28 00:23:36 +01:00
ide ide, vl: turn -win2k-hack into a property on IDE devices 2024-02-28 00:23:39 +01:00
input hw/input/pckbd: Open-code i8042_setup_a20_line() wrapper 2024-02-22 12:47:35 +01:00
intc hw/intc/Kconfig: Fix GIC settings when using "--without-default-devices" 2024-03-01 08:27:33 +01:00
ipack hw/ipack: Constify VMState 2023-12-29 11:17:30 +11:00
ipmi hw/ipmi: Constify VMState 2023-12-29 11:17:30 +11:00
isa Misc HW patch queue 2024-02-22 15:44:29 +00:00
loongarch loongarch: Change the UEFI loading mode to loongarch 2024-02-29 19:32:45 +08:00
m68k hw/m68k/q800: use qemu_find_nic_info() 2024-02-02 16:23:47 +00:00
mem hw/cxl: Standardize all references on CXL r3.1 and minor updates 2024-02-14 06:09:33 -05:00
microblaze hw/microblaze: use qemu_configure_nic_device() 2024-02-02 16:23:47 +00:00
mips hw/mips/loongson3_virt: do not require CONFIG_USB 2024-02-27 09:37:11 +01:00
misc hw/misc/bcm2835_property: Add missed BCM2835 properties 2024-02-27 15:24:20 +00:00
net migration: MigrationNotifyFunc 2024-02-28 11:31:28 +08:00
nios2 target/nios2: Deprecate the Nios II architecture 2023-11-23 14:10:04 +00:00
nubus hw/nubus: add nubus-virtio-mmio device 2024-02-27 09:36:39 +01:00
nvme hw/nvme: fix invalid endian conversion 2024-02-27 09:37:30 +01:00
nvram hw/sysbus: Inline and remove sysbus_add_io() 2024-02-22 12:47:40 +01:00
openrisc hw/openrisc/openrisc_sim: use qemu_create_nic_device() 2024-02-02 16:23:47 +00:00
pci target/arm: fix exception syndrome for AArch32 bkpt insn 2024-02-02 18:56:32 +00:00
pci-bridge hw/cxl: Standardize all references on CXL r3.1 and minor updates 2024-02-14 06:09:33 -05:00
pci-host hw/ppc/ppc440_pcix: Move ppc440_pcix.c to hw/pci-host/ 2024-02-22 12:47:40 +01:00
pcmcia hw/pcmcia/pxa2xx: Inline pxa2xx_pcmcia_init() 2023-10-27 12:48:57 +01:00
ppc hw/usb: extract sysbus-ohci to a separate file 2024-02-27 09:37:25 +01:00
rdma hw/rdma/vmw/pvrdma_cmd: Use correct struct in query_port() 2023-10-21 15:00:22 +03:00
remote Replace "iothread lock" with "BQL" in comments 2024-01-08 10:45:43 -05:00
riscv target/riscv: SMBIOS support for RISC-V virt machine 2024-02-09 20:43:14 +10:00
rtc pl031: Update last RTCLR value on write in case it's read back 2024-02-27 13:01:41 +00:00
rx hw/rx/rx62n: Only call qdev_get_gpio_in() when necessary 2024-02-15 16:58:46 +01:00
s390x target/arm: fix exception syndrome for AArch32 bkpt insn 2024-02-02 18:56:32 +00:00
scsi esp.c: add my copyright to the file 2024-02-13 19:37:28 +00:00
sd hw/sd: Constify VMState 2023-12-30 07:38:06 +11:00
sensor hw/sensor: Constify VMState 2023-12-30 07:38:06 +11:00
sh4 hw/usb: extract sysbus-ohci to a separate file 2024-02-27 09:37:25 +01:00
smbios hw/smbios: Fix port connector option validation 2024-02-14 06:09:33 -05:00
sparc hw/sparc/leon3: Fix wrong usage of DO_UPCAST macro 2024-02-22 12:47:40 +01:00
sparc64 hw/sparc64/cpu: Initialize GPIO before realizing CPU devices 2024-02-15 16:58:46 +01:00
ssi xlnx-versal-ospi: disable reentrancy detection for iomem_dac 2024-02-27 13:01:41 +00:00
timer misc: pxa2xx_timer: replace qemu_system_reset_request() call with watchdog_perform_action() 2024-02-27 13:01:41 +00:00
tpm hw/tpm: Remove HOST_PAGE_ALIGN from tpm_ppi_init 2024-02-29 11:35:36 -10:00
tricore hw/tricore/testboard: Use qdev_new() instead of QOM basic API 2024-02-22 12:47:40 +01:00
ufs hw/ufs: avoid generating the same ID string for different LU devices 2023-12-05 13:57:18 +09:00
usb hw/usb/bus.c: PCAP adding 0xA in Windows version 2024-03-01 08:27:33 +01:00
vfio migration: MigrationNotifyFunc 2024-02-28 11:31:28 +08:00
virtio migration: remove error from notifier data 2024-02-28 11:31:28 +08:00
watchdog hw/watchdog: Constify VMState 2023-12-30 07:38:06 +11:00
xen target/arm: fix exception syndrome for AArch32 bkpt insn 2024-02-02 18:56:32 +00:00
xenpv hw/xen: use qemu_create_nic_bus_devices() to instantiate Xen NICs 2024-02-02 16:23:47 +00:00
xtensa hw/xtensa/xtfpga: use qemu_create_nic_device() 2024-02-02 16:23:47 +00:00
Kconfig hw/fsi: Introduce IBM's Local bus 2024-02-01 08:13:30 +01:00
meson.build hw/fsi: Introduce IBM's Local bus 2024-02-01 08:13:30 +01:00