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13 Commits

Author SHA1 Message Date
Philippe Mathieu-Daudé
53c7c92422 hw/char: Have FEWatchFunc handlers return G_SOURCE_CONTINUE/REMOVE 
GLib recommend to use G_SOURCE_REMOVE / G_SOURCE_CONTINUE
for GSourceFunc callbacks. Our FEWatchFunc is a GSourceFunc
returning such value. Use such definitions which are
"more memorable" [*].

[*] https://docs.gtk.org/glib/callback.SourceFunc.html#return-value

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20230705133139.54419-5-philmd@linaro.org>
 2023-08-31 19:47:43 +02:00
Thomas Huth
8c6631e66e include/hw: Do not include "hw/registerfields.h" in headers that don't need it 
Include "hw/registerfields.h" in the .c files instead (if needed).

Message-Id: <20230210112315.1116966-1-thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
 2023-02-14 09:02:42 +01:00
Bin Meng
34229c46a7 hw/char: ibex_uart: Register device in 'input' category 
The category of ibex_uart device is not set. Put it into the
'input' category.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20210926105003.2716-1-bmeng.cn@gmail.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
 2021-10-07 08:41:33 +10:00
Marc-André Lureau
bf7b1eab25 chardev: mark explicitly first argument as poisoned 
Since commit 9894dc0cdc "char: convert
from GIOChannel to QIOChannel", the first argument to the watch callback
can actually be a QIOChannel, which is not a GIOChannel (but a QEMU
Object).

Even though we never used that pointer, change the callback type to warn
the users. Possibly a better fix later, we may want to store the
callback and call it from intermediary functions.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
 2021-08-05 16:15:33 +04:00
Alistair Francis
24bfb98d06 char: ibex_uart: Update the register layout 
Update the register layout to match the latest OpenTitan bitstream.

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Message-id: 25c8377d32f3e0f0a1a862c8a5092f8a9e3f9928.1625801868.git.alistair.francis@wdc.com
 2021-07-15 08:56:00 +10:00
Alistair Francis
bdc36ce649 hw/char/ibex_uart: Make the register layout private 
We don't need to expose the register layout in the public header, so
don't.

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Message-id: c437f570b2b30ab4170387a3ba2fad7d116a4986.1624001156.git.alistair.francis@wdc.com
 2021-06-24 05:00:12 -07:00
Alexander Wagner
82a4ed8e50 hw/char: disable ibex uart receive if the buffer is full 
Not disabling the UART leads to QEMU overwriting the UART receive buffer with
the newest received byte. The rx_level variable is added to allow the use of
the existing OpenTitan driver libraries.

Signed-off-by: Alexander Wagner <alexander.wagner@ulal.de>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20210309152130.13038-1-alexander.wagner@ulal.de
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
 2021-03-22 21:54:40 -04:00
Peter Maydell
5ee0abed51 clock: Add ClockEvent parameter to callbacks 
The Clock framework allows users to specify a callback which is
called after the clock's period has been updated.  Some users need to
also have a callback which is called before the clock period is
updated.

As the first step in adding support for notifying Clock users on
pre-update events, add an argument to the ClockCallback to specify
what event is being notified, and add an argument to the various
functions for registering a callback to specify which events are
of interest to that callback.

Note that the documentation update renders correct the previously
incorrect claim in 'Adding a new clock' that callbacks "will be
explained in a following section".

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Luc Michel <luc@lmichel.fr>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210219144617.4782-2-peter.maydell@linaro.org
 2021-03-08 17:20:01 +00:00
Eduardo Habkost
ce35e2295e qdev: Move softmmu properties to qdev-properties-system.h 
Move the property types and property macros implemented in
qdev-properties-system.c to a new qdev-properties-system.h
header.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20201211220529.2290218-16-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
 2020-12-18 15:20:17 -05:00
Alistair Francis
59093cc407 hw/char: Convert the Ibex UART to use the registerfields API 
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 06372c9cdeec715077899e71c858d9f0a2a3395b.1594332223.git.alistair.francis@wdc.com
Message-Id: <06372c9cdeec715077899e71c858d9f0a2a3395b.1594332223.git.alistair.francis@wdc.com>
 2020-07-13 17:25:37 -07:00
Alistair Francis
940aabb9f4 hw/char: Convert the Ibex UART to use the qdev Clock model 
Conver the Ibex UART to use the recently added qdev-clock functions.

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: b0136fad870a29049959ec161c1217b967d7e19d.1594332223.git.alistair.francis@wdc.com
Message-Id: <b0136fad870a29049959ec161c1217b967d7e19d.1594332223.git.alistair.francis@wdc.com>
 2020-07-13 17:25:37 -07:00
Paolo Bonzini
c8d7fd059d ibex_uart: fix XOR-as-pow 
The xor-as-pow warning in clang actually detected a genuine bug.
Fix it.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
 2020-06-26 09:39:40 -04:00
Alistair Francis
a7d2d98c59 hw/char: Initial commit of Ibex UART 
This is the initial commit of the Ibex UART device. Serial TX is
working, while RX has been implemeneted but untested.

This is based on the documentation from:
https://docs.opentitan.org/hw/ip/uart/doc/

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: LIU Zhiwei<zhiwei_liu@c-sky.com>
 2020-06-19 08:24:07 -07:00