The VECTPENDING field in the ICSR is 9 bits wide, in bits [20:12] of
the register. We were incorrectly masking it to 8 bits, so it would
report the wrong value if the pending exception was greater than 256.
Fix the bug.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210723162146.5167-6-peter.maydell@linaro.org
The ISCR.ISRPENDING bit is set when an external interrupt is pending.
This is true whether that external interrupt is enabled or not.
This means that we can't use 's->vectpending == 0' as a shortcut to
"ISRPENDING is zero", because s->vectpending indicates only the
highest priority pending enabled interrupt.
Remove the incorrect optimization so that if there is no pending
enabled interrupt we fall through to scanning through the whole
interrupt array.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210723162146.5167-5-peter.maydell@linaro.org
For M-profile, we weren't reporting alignment faults triggered by the
generic TCG code correctly to the guest. These get passed into
arm_v7m_cpu_do_interrupt() as an EXCP_DATA_ABORT with an A-profile
style exception.fsr value of 1. We didn't check for this, and so
they fell through into the default of "assume this is an MPU fault"
and were reported to the guest as a data access violation MPU fault.
Report these alignment faults as UsageFaults which set the UNALIGNED
bit in the UFSR.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210723162146.5167-4-peter.maydell@linaro.org
In do_v7m_exception_exit(), we perform various checks as part of
performing the exception return. If one of these checks fails, the
architecture requires that we take an appropriate exception on the
existing stackframe. We implement this by calling
v7m_exception_taken() to set up to take the new exception, and then
immediately returning from do_v7m_exception_exit() without proceeding
any further with the unstack-and-exception-return process.
In a couple of checks that are new in v8.1M, we forgot the "return"
statement, with the effect that if bad code in the guest tripped over
these checks we would set up to take a UsageFault exception but then
blunder on trying to also unstack and return from the original
exception, with the probable result that the guest would crash.
Add the missing return statements.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210723162146.5167-3-peter.maydell@linaro.org
For M-profile, unlike A-profile, the low 2 bits of SP are defined to be
RES0H, which is to say that they must be hardwired to zero so that
guest attempts to write non-zero values to them are ignored.
Implement this behaviour by masking out the low bits:
* for writes to r13 by the gdbstub
* for writes to any of the various flavours of SP via MSR
* for writes to r13 via store_reg() in generated code
Note that all the direct uses of cpu_R[] in translate.c are in places
where the register is definitely not r13 (usually because that has
been checked for as an UNDEFINED or UNPREDICTABLE case and handled as
UNDEF).
All the other writes to regs[13] in C code are either:
* A-profile only code
* writes of values we can guarantee to be aligned, such as
- writes of previous-SP-value plus or minus a 4-aligned constant
- writes of the value in an SP limit register (which we already
enforce to be aligned)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210723162146.5167-2-peter.maydell@linaro.org
The documentation of the -machine memory-backend has some minor
formatting errors:
* Misindentation of the initial line meant that the whole option
section is incorrectly indented in the HTML output compared to
the other -machine options
* The examples weren't indented, which meant that they were formatted
as plain run-on text including outputting the "::" as text.
* The a) b) list has no rst-format markup so it is rendered as
a single run-on paragraph
Fix the formatting.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-id: 20210719105257.3599-1-peter.maydell@linaro.org
The bit to see if a CD is valid is the last bit of the first word of the CD.
Signed-off-by: Joe Komlodi <joe.komlodi@xilinx.com>
Message-id: 1626728232-134665-2-git-send-email-joe.komlodi@xilinx.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Replace bitrev8 with revbit8.
Fixes for set but not used warnings.
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Merge remote-tracking branch 'remotes/rth-gitlab/tags/pull-tcg-20210726' into staging
Fix icount accounting.
Replace bitrev8 with revbit8.
Fixes for set but not used warnings.
# gpg: Signature made Mon 26 Jul 2021 22:45:37 BST
# gpg: using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg: issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A 05C0 64DF 38E8 AF7E 215F
* remotes/rth-gitlab/tags/pull-tcg-20210726:
tests/unit: Remove unused variable from test_io
linux-user/syscall: Remove unused variable from execve
hw/pci-hist/pnv_phb4: Fix typo in pnv_phb4_ioda_write
hw/ppc/spapr_events: Remove unused variable from check_exception
hw/audio/adlib: Remove unused variable in adlib_callback
net/checksum: Remove unused variable in net_checksum_add_iov
util/selfmap: Discard mapping on error
accel/tcg: Remove unused variable in cpu_exec
nbd/server: Mark variable unused in nbd_negotiate_meta_queries
bitops.h: revert db1ffc32dd ("qemu/bitops.h: add bitrev8 implementation")
accel/tcg: Remove unnecessary check on icount_extra in cpu_loop_exec_tb()
accel/tcg: Don't use CF_COUNT_MASK as the max value of icount_decr.u16.low
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
From clang-13:
tests/unit/test-iov.c:161:26: error: variable 't' set but not used \
[-Werror,-Wunused-but-set-variable]
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
From clang-13:
linux-user/syscall.c:8503:17: error: variable 'total_size' set but not used \
[-Werror,-Wunused-but-set-variable]
Acked-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
From clang-13:
hw/pci-host/pnv_phb4.c:375:18: error: variable 'v' set but not used \
[-Werror,-Wunused-but-set-variable]
It's pretty clear that we meant to write back 'v' after
all that computation and not 'val'.
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
From clang-13:
hw/ppc/spapr_events.c:937:14: error: variable 'xinfo' set but not used \
[-Werror,-Wunused-but-set-variable]
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
From clang-13:
hw/audio/adlib.c:189:18: error: variable 'net' set but not used \
[-Werror,-Wunused-but-set-variable]
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
From clang-13:
../qemu/net/checksum.c:189:23: error: variable 'buf_off' set but not used \
[-Werror,-Wunused-but-set-variable]
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
From clang-13:
util/selfmap.c:26:21: error: variable 'errors' set but not used \
[-Werror,-Wunused-but-set-variable]
Quite right of course, but there's no reason not to check errors.
First, incrementing errors is incorrect, because qemu_strtoul
returns an errno not a count -- just or them together so that
we have a non-zero value at the end.
Second, if we have an error, do not add the struct to the list,
but free it instead.
Cc: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
From clang-13:
accel/tcg/cpu-exec.c:783:15: error: variable 'cc' set but not used \
[-Werror,-Wunused-but-set-variable]
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
From clang-13:
nbd/server.c:976:22: error: variable 'bitmaps' set but not used \
[-Werror,-Wunused-but-set-variable]
which is incorrect; see //bugs.llvm.org/show_bug.cgi?id=3888.
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Commit db1ffc32dd ("qemu/bitops.h: add bitrev8 implementation") introduced
a bitrev8() function to reverse the bit ordering required for storing the
MAC address in the q800 PROM.
This function is not required since QEMU implements its own revbit8()
function which does exactly the same thing. Remove the extraneous
bitrev8() function and switch its only caller in hw/m68k/q800.c to
use revbit8() instead.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210725110557.3007-1-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
In cpu_loop_exec_tb(), we decide whether to look for a TB with
exactly insns_left instructions in it using the condition
(!cpu->icount_extra && insns_left > 0 && insns_left < tb->icount)
The check for icount_extra == 0 is unnecessary, because we just set
insns_left = MIN(0xffff, cpu->icount_budget);
icount_extra = icount_budget - insns_left;
and so icount_extra can only be non-zero if icount_budget > 0xffff
and insns_left == 0xffff. But in that case insns_left >= tb->icount
because 0xffff is much larger than TCG_MAX_INSNS, so the condition
will be false anyway.
Remove the unnecessary check, and instead assert:
* that we are only going to execute a partial TB here if the
icount budget has run out (ie icount_extra == 0)
* that the number of insns we're going to execute does fit into
the CF_COUNT_MASK
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210725174405.24568-3-peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
In cpu_loop_exec_tb() we were bounding the number of insns we might
try to execute in a TB using CF_COUNT_MASK. This is incorrect,
because we can validly put up to 0xffff into icount_decr.u16.low. In
particular, since commit 78ff82bb1b reduced CF_COUNT_MASK to
511 this meant that we would incorrectly only try to execute 511
instructions in a 512-instruction TB, which could result in QEMU
hanging when in icount mode.
Use the actual maximum value, which is 0xffff. (This brings this code
in to line with the similar logic in icount_prepare_for_run() in
tcg-accel-ops-icount.c.)
Fixes: 78ff82bb1b
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/499
Message-Id: <20210725174405.24568-2-peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
the signal handler was not called.
Patch 1/2 fixes the Hexagon target
Patch 2/2 drops include qemu.h from target/hexagon/op_helper.c
**** Changes in v2 ****
Drop changes to linux-test.c due to intermittent failures on riscv
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Merge remote-tracking branch 'remotes/quic/tags/pull-hex-20210725' into staging
The Hexagon target was silently failing the SIGSEGV test because
the signal handler was not called.
Patch 1/2 fixes the Hexagon target
Patch 2/2 drops include qemu.h from target/hexagon/op_helper.c
**** Changes in v2 ****
Drop changes to linux-test.c due to intermittent failures on riscv
# gpg: Signature made Sun 25 Jul 2021 22:39:38 BST
# gpg: using RSA key 7B0244FB12DE4422
# gpg: Good signature from "Taylor Simpson (Rock on) <tsimpson@quicinc.com>" [undefined]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 3635 C788 CE62 B91F D4C5 9AB4 7B02 44FB 12DE 4422
* remotes/quic/tags/pull-hex-20210725:
target/hexagon: Drop include of qemu.h
Hexagon (target/hexagon) remove put_user_*/get_user_*
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
- git ignore some file editor detritus
- add overview on device emulation terminology
- remove needless if leg in configure custom devices logic
- numerous gitdm/mailmap updates
- fix plugin_exit race for linux-user
- fix a few bugs in cache modelling plugin
- fix plugin calculation of physical address
- handle pure assembler/linker tcg tests outside of docker
- add tricore build to gitlab
- remove superfluous MacOSX task
- generalise the OpenBSI gitlab rules
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Merge remote-tracking branch 'remotes/stsquad/tags/pull-for-6.1-rc1-230721-1' into staging
Doc, metadata, plugin and testing updates for 6.1-rc1:
- git ignore some file editor detritus
- add overview on device emulation terminology
- remove needless if leg in configure custom devices logic
- numerous gitdm/mailmap updates
- fix plugin_exit race for linux-user
- fix a few bugs in cache modelling plugin
- fix plugin calculation of physical address
- handle pure assembler/linker tcg tests outside of docker
- add tricore build to gitlab
- remove superfluous MacOSX task
- generalise the OpenBSI gitlab rules
# gpg: Signature made Fri 23 Jul 2021 17:28:26 BST
# gpg: using RSA key 6685AE99E75167BCAFC8DF35FBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>" [full]
# Primary key fingerprint: 6685 AE99 E751 67BC AFC8 DF35 FBD0 DB09 5A9E 2A44
* remotes/stsquad/tags/pull-for-6.1-rc1-230721-1: (28 commits)
gitlab-ci: Extract OpenSBI job rules to reusable section
gitlab-ci: Remove the second superfluous macos task
gitlab: enable a very minimal build with the tricore container
tests/tcg/configure.sh: add handling for assembler only builds
plugins: Fix physical address calculation for IO regions
plugins/cache: Fixed "function decl. is not a prototype" warnings
plugins/cache: limited the scope of a mutex lock
plugins/cache: Fixed a bug with destroying FIFO metadata
tcg/plugins: implement a qemu_plugin_user_exit helper
contrib/gitdm: add more individual contributor entries.
contrib/gitdm: add a new interns group-map for GSoC/Outreachy work
contrib/gitdm: add an explicit academic entry for BU
contrib/gitdm: add group-map for Netflix
contrib/gitdm: add domain-map for NVIDIA
contrib/gitdm: add domain-map for Crudebyte
contrib/gitdm: un-ironically add a mapping for LWN
contrib/gitdm: add domain-map/group-map for Wind River
contrib/gitdm: add domain-map for Eldorado
contrib/gitdm: add domain-map/group-map mappings for Samsung
gitdm.config: sort the corporate GroupMap entries
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
When the NVMe block driver was introduced (see commit bdd6a90a9e,
January 2018), Linux VFIO_IOMMU_MAP_DMA ioctl was only returning
-ENOMEM in case of error. The driver was correctly handling the
error path to recycle its volatile IOVA mappings.
To fix CVE-2019-3882, Linux commit 492855939bdb ("vfio/type1: Limit
DMA mappings per container", April 2019) added the -ENOSPC error to
signal the user exhausted the DMA mappings available for a container.
The block driver started to mis-behave:
qemu-system-x86_64: VFIO_MAP_DMA failed: No space left on device
(qemu)
(qemu) info status
VM status: paused (io-error)
(qemu) c
VFIO_MAP_DMA failed: No space left on device
(qemu) c
VFIO_MAP_DMA failed: No space left on device
(The VM is not resumable from here, hence stuck.)
Fix by handling the new -ENOSPC error (when DMA mappings are
exhausted) without any distinction to the current -ENOMEM error,
so we don't change the behavior on old kernels where the CVE-2019-3882
fix is not present.
An easy way to reproduce this bug is to restrict the DMA mapping
limit (65535 by default) when loading the VFIO IOMMU module:
# modprobe vfio_iommu_type1 dma_entry_limit=666
Cc: qemu-stable@nongnu.org
Cc: Fam Zheng <fam@euphon.net>
Cc: Maxim Levitsky <mlevitsk@redhat.com>
Cc: Alex Williamson <alex.williamson@redhat.com>
Reported-by: Michal Prívozník <mprivozn@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20210723195843.1032825-1-philmd@redhat.com
Fixes: bdd6a90a9e ("block: Add VFIO based NVMe driver")
Buglink: https://bugs.launchpad.net/qemu/+bug/1863333
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/65
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Since commit 8eb13bbbac ("ui/gtk: vte: fix sending multiple
characeters") it's very easy to lock up QEMU with the GTK ui.
If you configure a guest with a serial device and the guest
doesn't listen on this device, QEMU will lock up after
entering two characters in the serial console. That's because
current code uses a busy loop for the chardev write retries
and the busy loop doesn't terminate in this case.
To fix this problem add a fifo to the VTE consoles and use the
chr_accept_input() callback function to write the remaining
characters in the queue to the chardev.
The fifo has a size of 4096 bytes, so one can copy and paste
a fairly large URL or file path.
Fixes: 8eb13bbbac ("ui/gtk: vte: fix sending multiple characeters")
Signed-off-by: Volker Rümelin <vr_qemu@t-online.de>
Message-Id: <20210725165039.5242-1-vr_qemu@t-online.de>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
ui/egl-headless is only built when CONFIG_OPENGL is defined because it
depends on CONFIG_OPENGL without condition. Remove a redundant
conditonal in ui/egl-headless.c
Signed-off-by: Akihiko Odaki <akihiko.odaki@gmail.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20210714055646.85952-1-akihiko.odaki@gmail.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Some code in ui/spice used CONFIG_OPENGL for OpenGL conditionals, but
SPICE also depends on CONFIG_GBM and SPICE server whose version is
0.13.1 or later for OpenGL. Always use HAVE_SPICE_GL, which defines the
precise condition.
Signed-off-by: Akihiko Odaki <akihiko.odaki@gmail.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20210714055735.86050-1-akihiko.odaki@gmail.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
To handle relative mouse input the event handler needs to move the mouse
away from the screen edges. Failing to do so results in the mouse
getting stuck at invisible walls. However the current implementation for
this is broken on hosts with multiple monitors.
With multiple monitors the mouse can be located outside of the current
monitor which is not handled by the current code. Also the monitor
itself might be located at coordinates different from (0, 0).
Signed-off-by: Dennis Wölfing <denniswoelfing@gmx.de>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20210720143940.291413-1-denniswoelfing@gmx.de>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
All jobs depending on 'docker-opensbi' job must use at most all
the rules that triggers it. The simplest way to ensure that
is to always use the same rules. Extract all the rules to a
reusable section, and include this section (with the 'extends'
keyword) in both 'docker-opensbi' and 'build-opensbi' jobs.
The problem was introduced in commit c6fc0fc1a7 ("gitlab-ci.yml:
Add jobs to build OpenSBI firmware binaries"), but was revealed in
commit 91e9c47e50 ("docker: OpenSBI build job depends on OpenSBI
container").
This fix is similar to the one used with the EDK2 firmware job in
commit ac0595cf6b ("gitlab-ci: Extract EDK2 job rules to reusable
section").
Reported-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Willian Rampazzo <willianr@redhat.com>
Message-Id: <20210720164829.3949558-1-philmd@redhat.com>
Message-Id: <20210720232703.10650-30-alex.bennee@linaro.org>
While there might have been bigger differnces between the -base and
the -xcode images in the beginning, they almost vanished in the
current builds, e.g. when comparing the output of the "configure"
step after cleaning up the differences due to temporary path names,
I only get:
$ diff -u /tmp/base.txt /tmp/xcode.txt
--- /tmp/base.txt 2021-07-16 09:16:24.211427940 +0200
+++ /tmp/xcode.txt 2021-07-16 09:16:43.029684274 +0200
@@ -19,14 +19,14 @@
Build type: native build
Project name: qemu
Project version: 6.0.50
-C compiler for the host machine: cc (clang 12.0.0 "Apple clang version 12.0.0 (clang-1200.0.32.29)")
+C compiler for the host machine: cc (clang 12.0.0 "Apple clang version 12.0.0 (clang-1200.0.32.28)")
C linker for the host machine: cc ld64 609.8
Host machine cpu family: x86_64
Host machine cpu: x86_64
Program sh found: YES (/bin/sh)
Program python3 found: YES (/usr/local/opt/python@3.9/bin/python3.9)
Program bzip2 found: YES (/usr/bin/bzip2)
-C++ compiler for the host machine: c++ (clang 12.0.0 "Apple clang version 12.0.0 (clang-1200.0.32.29)")
+C++ compiler for the host machine: c++ (clang 12.0.0 "Apple clang version 12.0.0 (clang-1200.0.32.28)")
C++ linker for the host machine: c++ ld64 609.8
Objective-C compiler for the host machine: clang (clang 12.0.0)
Objective-C linker for the host machine: clang ld64 609.8
Since we're not using Xcode itself at all, it seems like it does not
make much sense anymore to waste compute cycles with two images here.
Thus let's delete the -xcode job now.
[AJB: fix up commit formatting which trips up b4]
Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Willian Rampazzo <willianr@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20210719073051.1559348-1-thuth@redhat.com>
Message-Id: <20210720232703.10650-29-alex.bennee@linaro.org>
Rather than base of the shared Debian 10 container which would require
us to bring in even more dependencies just bring in what is needed for
building tricore-softmmu in GitLab. We don't even remove the container
from the DOCKER_PARTIAL_IMAGES lest we cause more confusion.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Willian Rampazzo <willianr@redhat.com>
Message-Id: <20210720232703.10650-28-alex.bennee@linaro.org>
Up until this point we only handled local compilers or assumed we had
everything in the container. This falls down when we are building QEMU
inside the container.
This special handling only affects tricore for now but I put it in a
case just in case we add any other "special" targets. Setting
CROSS_CC_GUEST is a bit of a hack just to ensure the test runs as we
gate on a detected compiler even though the Makefile won't actually
use it. It also means we display something sane in the configure
output.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210720232703.10650-27-alex.bennee@linaro.org>
The address calculation for IO regions introduced by
commit 787148bf92
Author: Aaron Lindsay <aaron@os.amperecomputing.com>
plugins: Expose physical addresses instead of device offsets
is not always accurate. Use the more correct
MemoryRegionSection.offset_within_address_space.
Signed-off-by: Aaron Lindsay <aaron@os.amperecomputing.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20210720195735.3934473-1-aaron@os.amperecomputing.com>
Message-Id: <20210720232703.10650-25-alex.bennee@linaro.org>
It's not necessary to lock the address translation portion of the
vcpu_mem_access callback.
Signed-off-by: Mahmoud Mandour <ma.mandourr@gmail.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210714172151.8494-3-ma.mandourr@gmail.com>
Message-Id: <20210720232703.10650-23-alex.bennee@linaro.org>
This manifests itself when associativity degree is greater than the
number of sets and FIFO is used, otherwise it's also a memory leak
whenever FIFO was used.
Signed-off-by: Mahmoud Mandour <ma.mandourr@gmail.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210714172151.8494-2-ma.mandourr@gmail.com>
Message-Id: <20210720232703.10650-22-alex.bennee@linaro.org>
In user-mode emulation there is a small race between preexit_cleanup
and exit_group() which means we may end up calling instrumented
instructions before the kernel reaps child threads. To solve this we
implement a new helper which ensures the callbacks are flushed along
with any translations before we let the host do it's a thing.
While we are at it make the documentation of
qemu_plugin_register_atexit_cb clearer as to what the user can expect.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Mahmoud Mandour <ma.mandourr@gmail.com>
Acked-by: Warner Losh <imp@bsdimp.com>
Message-Id: <20210720232703.10650-21-alex.bennee@linaro.org>
It makes sense to put our various interns in a group so we can see the
overall impact of GSoC and Outreachy on the project.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Mahmoud Mandour <ma.mandourr@gmail.com>
Cc: Ahmed Karaman <ahmedkhaledkaraman@gmail.com>
Cc: César Belley <cesar.belley@lse.epita.fr>
Message-Id: <20210720232703.10650-19-alex.bennee@linaro.org>
For some reason Alexander's contributions were not getting grouped
from the plain "edu" mapping.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alexander Bulekov <alxndr@bu.edu>
Message-Id: <20210720232703.10650-18-alex.bennee@linaro.org>
Warner confirmed he works for Netflix on IRC.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Message-Id: <20210720232703.10650-17-alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
Message-Id: <20210720232703.10650-15-alex.bennee@linaro.org>
I think this mainly comes from kernel-doc stuff imported into the QEMU
tree.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Message-Id: <20210720232703.10650-14-alex.bennee@linaro.org>
As per discussion at:
http://patchwork.ozlabs.org/project/qemu-devel/patch/20201004180443.2035359-19-f4bug@amsat.org/
I've added Bin's personal email as an individual contributor.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Acked-by: Bin Meng <bin.meng@windriver.com>
Cc: Ruimei Yan <ruimei.yan@windriver.com>
Cc: Xuzhou Cheng <xuzhou.cheng@windriver.com>
Message-Id: <20210720232703.10650-13-alex.bennee@linaro.org>
Luis acked on IRC:
#qemu@znc-oftc_2021-07-13.txt:[15:00:02] <lffpires> stsquad: "eldorado.org.br Eldorado" is fine
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Acked-by: Luis Pires <luis.pires@eldorado.org.br>
Message-Id: <20210720232703.10650-12-alex.bennee@linaro.org>
