Map qxl rom read-only into the guest, so the guest can't tamper with the
content. qxl has a shadow copy of the rom to deal with that, but the
shadow doesn't cover the mode list. A privilidged user in the guest can
manipulate the mode list and that to trick qemu into oob reads, leading
to a DoS via segfault if that read access happens to hit unmapped memory.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20200225055920.17261-2-kraxel@redhat.com
To calculate screen size in centimeters we should calculate:
pixels/dpi*2.54
but not
pixels*dpi/2540
Using wrong formula we actually get 65 DPI and very small fonts.
Signed-off-by: Anton V. Boyarshinov <boyarsh@altlinux.org>
Message-id: 20200226122054.366b9cda@table.localdomain
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Use an explicit boolean type.
This commit was produced with the included Coccinelle script
scripts/coccinelle/exec_rw_const.
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
This commit was produced with the included Coccinelle script
scripts/coccinelle/exec_rw_const.
Suggested-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20200214001303.12873-5-f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
We want to have an early exit path. Delay some initializations
before the variables are used.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Acked-by: Sven Schnelle <svens@stackframe.org>
Message-Id: <20200214001303.12873-4-f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Instead of emitting the trace event before each call to
draw_line(), call it once at draw_line() entrance.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Acked-by: Sven Schnelle <svens@stackframe.org>
Message-Id: <20200214001303.12873-2-f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Fix warning reported by Clang static code analyzer:
hw/display/qxl.c:1634:14: warning: Value stored to 'orig_io_port' during its initialization is never read
uint32_t orig_io_port = io_port;
^~~~~~~~~~~~ ~~~~~~~
Reported-by: Clang Static Analyzer
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200215161557.4077-3-philmd@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
The only difference to hardware revision 4 is that the device doesn't
switch to VGA mode in case someone happens to touch a VGA register,
which should make things more robust in configurations with multiple
vga devices.
Swtiching back to VGA mode happens on reset, either full machine
reset or qxl device reset (QXL_IO_RESET ioport command).
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-id: 20200206074358.4274-1-kraxel@redhat.com
We have many files that apparently do not depend on the target CPU
configuration, i.e. which can be put into common-obj-y instead of
obj-y. This way, the code can be shared for example between
qemu-system-arm and qemu-system-aarch64, or the various big and
little endian variants like qemu-system-sh4 and qemu-system-sh4eb,
so that we do not have to compile the code multiple times anymore.
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20200130133841.10779-1-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
The preferred way to test whether a trace event is enabled is to
use trace_event_get_state_backends(), because this will give the
correct answer (allowing expensive computations to be skipped)
whether the trace event is compile-time or run-time disabled.
Convert the old-style direct use of TRACE_FOO_ENABLED.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20200120151142.18954-4-peter.maydell@linaro.org
Message-Id: <20200120151142.18954-4-peter.maydell@linaro.org>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This adds emulation of Artist graphics good enough to get a text
console on both Linux and HP-UX. The X11 server from HP-UX also works.
Adjust boot-serial-test to disable graphics, so that SeaBIOS outputs
to the serial port, as expected by the test.
Signed-off-by: Sven Schnelle <svens@stackframe.org>
Message-Id: <20191220211512.3289-6-svens@stackframe.org>
[rth: Merge Helge's test for machine->enable_graphics]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
When building with GCC9 using CFLAG -Wimplicit-fallthrough=2 we get:
hw/display/tcx.c: In function ‘tcx_dac_writel’:
hw/display/tcx.c:453:26: error: this statement may fall through [-Werror=implicit-fallthrough=]
453 | s->dac_index = (s->dac_index + 1) & 0xff; /* Index autoincrement */
| ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
hw/display/tcx.c:454:9: note: here
454 | default:
| ^~~~~~~
hw/display/tcx.c: In function ‘tcx_dac_readl’:
hw/display/tcx.c:412:22: error: this statement may fall through [-Werror=implicit-fallthrough=]
412 | s->dac_index = (s->dac_index + 1) & 0xff; /* Index autoincrement */
| ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
hw/display/tcx.c:413:5: note: here
413 | default:
| ^~~~~~~
cc1: all warnings being treated as errors
Give a hint to GCC by adding the missing fall through comments.
Fixes: 55d7bfe22
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20191218192526.13845-3-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Define the new macro VMSTATE_INSTANCE_ID_ANY for callers who wants to
auto-generate the vmstate instance ID. Previously it was hard coded
as -1 instead of this macro. It helps to change this default value in
the follow up patches. No functional change.
Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Embed the SerialMM sybus device, and re-export its "chardev" property.
That way, we can get rid of PROP_PTR "chr-state" and better track
devices relationship.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
The SM501 is a Mobile Multimedia Companion Chip with 2 UARTs.
This model only implements the first UART. Being part of the
chipset, the UART block is always mapped in memory, regardless
of whether we provide a chardev backend.
Since commit 12051d82f, qemu_chr_fe_init() accepts a NULL chardev.
Let's remove the chardev check and always map the UART in the
chipset memory.
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20191122133623.13004-1-philmd@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Hi,
The following patches have been extracted from the "[PATCH v6 00/25]
monitor: add asynchronous command type", as they are
reviewable/mergeable independantly.
They introduce some internal API changes, and fix
qemu_open()/qemu_close()/unlink() misusages which should be quite
harmless.
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Merge remote-tracking branch 'remotes/elmarco/tags/screendump-pull-request' into staging
console: screendump improvements
Hi,
The following patches have been extracted from the "[PATCH v6 00/25]
monitor: add asynchronous command type", as they are
reviewable/mergeable independantly.
They introduce some internal API changes, and fix
qemu_open()/qemu_close()/unlink() misusages which should be quite
harmless.
# gpg: Signature made Fri 03 Jan 2020 09:07:51 GMT
# gpg: using RSA key 87A9BD933F87C606D276F62DDAE8E10975969CE5
# gpg: issuer "marcandre.lureau@redhat.com"
# gpg: Good signature from "Marc-André Lureau <marcandre.lureau@redhat.com>" [full]
# gpg: aka "Marc-André Lureau <marcandre.lureau@gmail.com>" [full]
# Primary key fingerprint: 87A9 BD93 3F87 C606 D276 F62D DAE8 E109 7596 9CE5
* remotes/elmarco/tags/screendump-pull-request:
screendump: use qemu_unlink()
osdep: add qemu_unlink()
screendump: replace FILE with QIOChannel and fix close()/qemu_close()
object: add g_autoptr support
ui: add pixman image g_autoptr support
ppm-save: pass opened fd
console: add graphic_hw_update_done()
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Add a function to be called when a graphic update is done.
Declare the QXL renderer as async: render_update_cookie_num counts the
number of outstanding updates, and graphic_hw_update_done() is called
when it reaches none.
(note: this is preliminary work for asynchronous screendump support)
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
vga_init_vbe is now used only from ISA VGA cards. Since the alias is
not needed anymore, remove it (effectively reverting commit 8294a64d7f,
"vga: fix vram double-mapping with -vga std and -M pc-0.12", 2012-05-29)
and the now unused vbe_mapped field of VGACommonState. The function now
consists of a single memory_region_add_subregion call, so we can inline
it; this avoids incorrect usage from PCI cards.
Suggested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Based-on: <05af415a-5058-98b4-4a12-9d093a30b1e3@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Now that the old pc-0.x machine types have been removed, we do not need
the old "rombar" hacks anymore.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20191209125248.5849-5-thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The script checkpatch.pl located in scripts folder was
used to detect all errors and warrnings in files:
hw/mips/mips_jazz.c
hw/display/jazz_led.c
hw/dma/rc4030.c
All these mips jazz machine files were edited and
all the errors and warrings generated by the checkpatch.pl
script were corrected and then the script was
ran again to make sure there are no more errors and warnings.
Signed-off-by: Filip Bozuta <Filip.Bozuta@rt-rk.com>
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Message-Id: <1575640687-20744-2-git-send-email-Filip.Bozuta@rt-rk.com>
Fill the audio channel with required number of bytes to cover the
elapsed time. This prevents rate control reset, and avoids debug prints
like below
log:
Resetting rate control (65692 samples)
...
Resetting rate control (65721 samples)
...
Signed-off-by: Sai Pavan Boddu <sai.pavan.boddu@xilinx.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 1573833408-2388-1-git-send-email-sai.pavan.boddu@xilinx.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This patch adds support for a graphic framebuffer device.
This device can be added as a sysbus device or as a NuBus device.
It is accessed as a framebuffer but the color palette can be set.
Co-developed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Hervé Poussineau <hpoussin@reactos.org>
Reviewed-by: Thomas Huth <huth@tuxfamily.org>
Message-Id: <20191026164546.30020-9-laurent@vivier.eu>
This makes sure reads are confined to vga video memory.
v3: use uint32_t, fix cut+paste bug.
v2: fix ati_cursor_draw_line too.
Reported-by: xu hang <flier_m@outlook.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20190917111441.27405-3-kraxel@redhat.com
The NeXTcube uses a linear framebuffer with 4 greyscale colors and
a fixed resolution of 1120 * 832.
This code has been taken from Bryce Lanham's GSoC 2011 NeXT branch at
https://github.com/blanham/qemu-NeXT/blob/next-cube/hw/next-fb.c
and altered to fit the latest interface of the current QEMU (e.g.
the device has been "qdev"-ified etc.).
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20190831074519.32613-2-huth@tuxfamily.org>
Signed-off-by: Thomas Huth <huth@tuxfamily.org>
The MacOS driver exits if the card does not have an interrupt. If we
set PCI_INTERRUPT_PIN to 1 then it enables VBlank interrupts and it
boots but the mouse pointer cannot be moved. This patch implements a
dummy VBlank interrupt triggered by a 60 Hz timer. With this the
pointer now moves but MacOS still hangs somewhere before completely
finishing boot.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-Id: <89364275f2fb5f85ee73c0e76528aa91691a499a.1565907489.git.balaton@eik.bme.hu>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Various display devices are not target-specific and can
be compiled once for all the targets.
After this commit, the 'make world' target is reduced by
54 objects
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Message-Id: <20190812113739.16587-3-philmd@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
The "cpu.h" include makes devices target-specific. Since it
is not used, remove it, so the device become generic (we can
now compile it once for all targets).
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20190812113739.16587-2-philmd@redhat.com>
[lv: fix conflict with 650d103d3e
("Include hw/hw.h exactly where needed")]
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Set frame buffer endianness according to requested endianness for
frame buffer apertures. We set frame buffer to big endian if any of
the two apertures are set to big endian. Using different endianness
for the two apertures is not implemented. This fixes inverted colors
with MacOS and Xorg frame buffer driver but some Linux drivers may
have endianness issues even on real hardware so this may not fix all
cases. MorphOS uses aper0 in LE, Linux uses aper0 in BE and MacOS uses
aper1 in BE but not sure about others or if MacOS also may need aper0
in which case we'll need a more complex fix but MacOS has other
problems yet so for now this might work.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-id: e2a7ec7af3fc30523213bcd27832ccad34323f2c.1565558093.git.balaton@eik.bme.hu
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
MacOS uses non-0 offset so it needs this and the resulting
vbe_start_addr seems correct but picture is still broken with OpenBIOS
after FCode runs but that maybe due to firmware problems now. After
boot, picture is now correct.
It also occured to me that these CRTC regs are also present in VGA so
I wonder if they should be shared in case some drivers try to poke
them via VGA regs or these are a separate set of regs for extended
mode. Added a comment noting this but drivers I've tried so far
program the card accessing ati regs so I did not attempt to change it.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-id: 1c6fce457ef7e6f889e38dc0423791be92310a62.1565558093.git.balaton@eik.bme.hu
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
The crtc_offset is not needed, cur_offset is relative to the start of
vram not the start of displayed area. This fixes broken pointer image
with MacOS that uses non-0 crtc_offset.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-id: e6acb1fa3ca980dc948045443e5986e2aa79bf7c.1565558093.git.balaton@eik.bme.hu
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Also update bitbang_i2c state when output bits are changed while
enable bits are set. This fixes EDID access by the ATI FCode ROM.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-id: 292e70a92b7fbfd9a4120d433dbdcfda4e5f6c3c.1565558093.git.balaton@eik.bme.hu
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Add names for AMCGPIO regs to make it easier to identify these in
trace output. This is where rage128p has the DDC from the DVI port
among others but because we don't implement the flat panel controller
we don't want to connect an EDID here to make sure drivers use the VGA
output instead. But since these are often probed by drivers it helps
to see what happens by logging these registers by name.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-id: 31ff69ca6959d090869907774faa1af7d2c02b2b.1565558093.git.balaton@eik.bme.hu
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Some drivers (e.g. Linux radeon drm and MacOS) access these to find
apertures to access card. Try to implement these but not sure these
are correct yet.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-id: b2df13655feecd63c0049ec45fd87d1026f67091.1565558093.git.balaton@eik.bme.hu
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
sysemu/sysemu.h is a rather unfocused dumping ground for stuff related
to the system-emulator. Evidence:
* It's included widely: in my "build everything" tree, changing
sysemu/sysemu.h still triggers a recompile of some 1100 out of 6600
objects (not counting tests and objects that don't depend on
qemu/osdep.h, down from 5400 due to the previous two commits).
* It pulls in more than a dozen additional headers.
Split stuff related to run state management into its own header
sysemu/runstate.h.
Touching sysemu/sysemu.h now recompiles some 850 objects. qemu/uuid.h
also drops from 1100 to 850, and qapi/qapi-types-run-state.h from 4400
to 4200. Touching new sysemu/runstate.h recompiles some 500 objects.
Since I'm touching MAINTAINERS to add sysemu/runstate.h anyway, also
add qemu/main-loop.h.
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190812052359.30071-30-armbru@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
[Unbreak OS-X build]
In my "build everything" tree, changing sysemu/sysemu.h triggers a
recompile of some 1800 out of 6600 objects (not counting tests and
objects that don't depend on qemu/osdep.h, down from 5400 due to the
previous commit).
Several headers include sysemu/sysemu.h just to get typedef
VMChangeStateEntry. Move it from sysemu/sysemu.h to qemu/typedefs.h.
Spell its structure tag the same while there. Drop the now
superfluous includes of sysemu/sysemu.h from headers.
Touching sysemu/sysemu.h now recompiles some 1100 objects.
qemu/uuid.h also drops from 1800 to 1100, and
qapi/qapi-types-run-state.h from 5000 to 4400.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190812052359.30071-29-armbru@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
In my "build everything" tree, changing sysemu/sysemu.h triggers a
recompile of some 5400 out of 6600 objects (not counting tests and
objects that don't depend on qemu/osdep.h).
hw/qdev-core.h includes sysemu/sysemu.h since recent commit e965ffa70a
"qdev: add qdev_add_vm_change_state_handler()". This is a bad idea:
hw/qdev-core.h is widely included.
Move the declaration of qdev_add_vm_change_state_handler() to
sysemu/sysemu.h, and drop the problematic include from hw/qdev-core.h.
Touching sysemu/sysemu.h now recompiles some 1800 objects.
qemu/uuid.h also drops from 5400 to 1800. A few more headers show
smaller improvement: qemu/notify.h drops from 5600 to 5200,
qemu/timer.h from 5600 to 4500, and qapi/qapi-types-run-state.h from
5500 to 5000.
Cc: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20190812052359.30071-28-armbru@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
In my "build everything" tree, changing sysemu/sysemu.h triggers a
recompile of some 5400 out of 6600 objects (not counting tests and
objects that don't depend on qemu/osdep.h).
Almost a third of its inclusions are actually superfluous. Delete
them. Downgrade two more to qapi/qapi-types-run-state.h, and move one
from char/serial.h to char/serial.c.
hw/semihosting/config.c, monitor/monitor.c, qdev-monitor.c, and
stubs/semihost.c define variables declared in sysemu/sysemu.h without
including it. The compiler is cool with that, but include it anyway.
This doesn't reduce actual use much, as it's still included into
widely included headers. The next commit will tackle that.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20190812052359.30071-27-armbru@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
In my "build everything" tree, changing hw/qdev-properties.h triggers
a recompile of some 2700 out of 6600 objects (not counting tests and
objects that don't depend on qemu/osdep.h).
Many places including hw/qdev-properties.h (directly or via hw/qdev.h)
actually need only hw/qdev-core.h. Include hw/qdev-core.h there
instead.
hw/qdev.h is actually pointless: all it does is include hw/qdev-core.h
and hw/qdev-properties.h, which in turn includes hw/qdev-core.h.
Replace the remaining uses of hw/qdev.h by hw/qdev-properties.h.
While there, delete a few superfluous inclusions of hw/qdev-core.h.
Touching hw/qdev-properties.h now recompiles some 1200 objects.
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: "Daniel P. Berrangé" <berrange@redhat.com>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20190812052359.30071-22-armbru@redhat.com>
