1. Add some information about how to boot the LoongArch virt
machine by uefi bios and linux kernel and how to access the
source code or binary file.
2. Move the explanation of LoongArch system emulation in the
target/loongarch/README to docs/system/loongarch/loongson3.rst
Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20220812091957.3338126-1-yangxiaojuan@loongson.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Commit 06680b15b4 moved qemu_*_exec_dir() to cutils but forgot
to move the macOS dyld(3) include, resulting in the following
error (when building with Homebrew GCC on macOS Monterey 12.4):
[313/1197] Compiling C object libqemuutil.a.p/util_cutils.c.o
FAILED: libqemuutil.a.p/util_cutils.c.o
../../util/cutils.c:1039:13: error: implicit declaration of function '_NSGetExecutablePath' [-Werror=implicit-function-declaration]
1039 | if (_NSGetExecutablePath(fpath, &len) == 0) {
| ^~~~~~~~~~~~~~~~~~~~
../../util/cutils.c:1039:13: error: nested extern declaration of '_NSGetExecutablePath' [-Werror=nested-externs]
Fix by moving the include line to cutils.
Fixes: 06680b15b4 ("include: move qemu_*_exec_dir() to cutils")
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20220809222046.30812-1-f4bug@amsat.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
With the introduction of the new TCG GICv4, build_madt() is badly broken
as we do not present any GIC Redistributor structure in MADT for GICv4
guests, so that they have no idea about where the Redistributor
register frames are. This fixes a Linux guest crash at boot time with
ACPI enabled and '-machine gic-version=4'.
While at it, let's convert the remaining hard coded gic_version into
enumeration VIRT_GIC_VERSION_2 for consistency.
Signed-off-by: Zenghui Yu <yuzenghui@huawei.com>
Message-id: 20220812022018.1069-1-yuzenghui@huawei.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
../tests/test-qobject-input-visitor.c: In function ‘test_visitor_in_list’:
../tests/test-qobject-input-visitor.c:454:49: warning: ‘%d’ directive output may be truncated writing between 1 and 10 bytes into a region of size 6 [-Wformat-truncation=]
454 | snprintf(string, sizeof(string), "string%d", i);
| ^~
../tests/test-qobject-input-visitor.c:454:42: note: directive argument in the range [0, 2147483606]
454 | snprintf(string, sizeof(string), "string%d", i);
| ^~~~~~~~~~
../tests/test-qobject-input-visitor.c:454:9: note: ‘snprintf’ output between 8 and 17 bytes into a destination of size 12
454 | snprintf(string, sizeof(string), "string%d", i);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Rather than trying to be clever, since this is called 3 times during
tests, let's simply use g_strdup_printf().
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-id: 20220810121513.1356081-1-marcandre.lureau@redhat.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
[PMM: fixed commit message typos]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Hongren (Zenithal) Zheng <i@zenithal.me>
Message-id: 20220812075642.1200578-1-sw@weilnetz.de
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The newly added neoverse-n1 CPU has ID register values which indicate
the presence of the Statistical Profiling Extension, because the real
hardware has this feature. QEMU's TCG emulation does not yet
implement SPE, though (not even as a minimal stub implementation), so
guests will crash if they try to use it because the SPE system
registers don't exist.
Force ID_AA64DFR0_EL1.PMSVer to 0 in CPU realize for TCG, so that
we don't advertise to the guest a feature that doesn't exist.
(We could alternatively do this by editing the value that
aarch64_neoverse_n1_initfn() sets for this ID register, but
suppressing the field in realize means we won't re-introduce this bug
when we add other CPUs that have SPE in hardware, such as the
Neoverse-V1.)
An example of a non-booting guest is current mainline Linux (5.19),
when booting in EL2 on the virt board (ie with -machine
virtualization=on).
Reported-by: Zenghui Yu <yuzenghui@huawei.com>
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>
Reviewed-by: Zenghui Yu <yuzenghui@huawei.com>
Message-id: 20220811131127.947334-1-peter.maydell@linaro.org
aarch64 stores MTE tags in target_date, and they should be reset by
MADV_DONTNEED.
Signed-off-by: Vitaly Buka <vitalybuka@google.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220711220028.2467290-1-vitalybuka@google.com>
[lv: fix code style issues]
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
The latest glibc 2.36 has extended sys/mount.h so that it
defines the FSCONFIG_* enum constants. These are historically
defined in linux/mount.h, and thus if you include both headers
the compiler complains:
In file included from /usr/include/linux/fs.h:19,
from ../linux-user/syscall.c:98:
/usr/include/linux/mount.h:95:6: error: redeclaration of 'enum fsconfig_command'
95 | enum fsconfig_command {
| ^~~~~~~~~~~~~~~~
In file included from ../linux-user/syscall.c:31:
/usr/include/sys/mount.h:189:6: note: originally defined here
189 | enum fsconfig_command
| ^~~~~~~~~~~~~~~~
/usr/include/linux/mount.h:96:9: error: redeclaration of enumerator 'FSCONFIG_SET_FLAG'
96 | FSCONFIG_SET_FLAG = 0, /* Set parameter, supplying no value */
| ^~~~~~~~~~~~~~~~~
/usr/include/sys/mount.h:191:3: note: previous definition of 'FSCONFIG_SET_FLAG' with type 'enum fsconfig_command'
191 | FSCONFIG_SET_FLAG = 0, /* Set parameter, supplying no value */
| ^~~~~~~~~~~~~~~~~
...snip...
QEMU doesn't include linux/mount.h, but it does use
linux/fs.h and thus gets linux/mount.h indirectly.
glibc acknowledges this problem but does not appear to
be intending to fix it in the forseeable future, simply
documenting it as a known incompatibility with no
workaround:
https://sourceware.org/glibc/wiki/Release/2.36#Usage_of_.3Clinux.2Fmount.h.3E_and_.3Csys.2Fmount.h.3Ehttps://sourceware.org/glibc/wiki/Synchronizing_Headers
To address this requires either removing use of sys/mount.h
or linux/fs.h, despite QEMU needing declarations from
both.
This patch removes linux/fs.h, meaning we have to define
various FS_IOC constants that are now unavailable.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Tested-by: Richard W.M. Jones <rjones@redhat.com>
Message-Id: <20220802164134.1851910-1-berrange@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
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Merge tag 'net-pull-request' of https://github.com/jasowang/qemu into staging
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# gpg: WARNING: This key is not certified with a trusted signature!
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* tag 'net-pull-request' of https://github.com/jasowang/qemu:
hw/net/rocker: Avoid undefined shifts with more than 31 ports
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The function icount_prepare_for_run() is called with the iothread
unlocked, but it can call icount_notify_aio_contexts() which will
run qemu timer handlers. Those are supposed to be run only with
the iothread lock held, so take the lock while we do that.
Since icount mode runs everything on a single thread anyway,
not holding the lock is likely mostly not going to introduce
races, but it can cause us to trip over assertions that we
do hold the lock, such as the one reported in issue 1130.
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1130
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Pavel Dovgalyuk <Pavel.Dovgalyuk@ispras.ru>
Message-id: 20220801164527.3134765-1-peter.maydell@linaro.org
In rocker_port_phys_link_status() and rocker_port_phys_enable_read()
we construct a 64-bit value with one bit per front-panel port.
However we accidentally do the shift as 32-bit arithmetic, which
means that if there are more than 31 front-panel ports this is
undefined behaviour.
Fix the problem by ensuring we use 64-bit arithmetic for the whole
calculation. (We won't ever shift off the 64-bit value because
ROCKER_FP_PORTS_MAX is 62.)
Resolves: Coverity CID 1487121, 1487160
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
All of the fpu operations are defined with TCG_CALL_NO_WG, but they
all modify FCSR0. The most efficient way to fix this is to remove
cpu_fcsr0, and instead use explicit load and store operations for the
two instructions that manipulate that value.
Acked-by: Qi Hu <huqi@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Reported-by: Feiyang Chen <chenfeiyang@loongson.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
- target/mips: Handle lock_user failure in UHI_plog semihosting (Peter Maydell)
- hw/mips/malta: Turn off x86 specific features of PIIX4 PM (Igor Mammedov)
- hw/misc/grlib_ahb_apb_pnp: Support 8 and 16 bit accesses (Peter Maydell)
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Merge tag 'mips-20220809' of https://github.com/philmd/qemu into staging
MIPS/SPARC patches queue
- target/mips: Handle lock_user failure in UHI_plog semihosting (Peter Maydell)
- hw/mips/malta: Turn off x86 specific features of PIIX4 PM (Igor Mammedov)
- hw/misc/grlib_ahb_apb_pnp: Support 8 and 16 bit accesses (Peter Maydell)
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# gpg: Signature made Mon 08 Aug 2022 03:29:23 PM PDT
# gpg: using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [full]
* tag 'mips-20220809' of https://github.com/philmd/qemu:
hw/misc/grlib_ahb_apb_pnp: Support 8 and 16 bit accesses
hw/mips/malta: turn off x86 specific features of PIIX4_PM
target/mips: Handle lock_user() failure in UHI_plog semihosting call
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
In real hardware, the APB and AHB PNP data tables can be accessed
with byte and halfword reads as well as word reads. Our
implementation currently only handles word reads. Add support for
the 8 and 16 bit accesses. Note that we only need to handle aligned
accesses -- unaligned accesses should continue to trap, as happens on
hardware.
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1132
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Frederic Konrad <fkonrad@amd.com>
Message-Id: <20220802131925.3380923-1-peter.maydell@linaro.org>
Tested-by: Tomasz Martyniak <gitlab.com/tom4r>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
QEMU crashes trying to save VMSTATE when only MIPS target are compiled in
$ qemu-system-mips -monitor stdio
(qemu) migrate "exec:gzip -c > STATEFILE.gz"
Segmentation fault (core dumped)
It happens due to PIIX4_PM trying to parse hotplug vmstate structures
which are valid only for x86 and not for MIPS (as it requires ACPI
tables support which is not existent for ithe later)
Issue was probably exposed by trying to cleanup/compile out unused
ACPI bits from MIPS target (but forgetting about migration bits).
Disable compiled out features using compat properties as the least
risky way to deal with issue.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/995
Reviewed-by: Ani Sinha <ani@anisinha.ca>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20220728115034.1327988-1-imammedo@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Coverity notes that we forgot to check the error return from
lock_user() in one place in the handling of the UHI_plog semihosting
call. Add the missing error handling.
report_fault() is rather brutal in that it will call abort(), but
this is the same error-handling used in the rest of this file.
Resolves: Coverity CID 1490684
Fixes: ea4210600d ("target/mips: Avoid qemu_semihosting_log_out for UHI_plog")
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>
Message-Id: <20220719191737.384744-1-peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
* Fix the replay-linux avocado test
* Relax a time constraint in iotest 264
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Merge tag 'pull-request-2022-08-08' of https://gitlab.com/thuth/qemu into staging
* Fix booting in the s390-ccw bios when physical and logical block sizes differ
* Fix the replay-linux avocado test
* Relax a time constraint in iotest 264
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# gpg: using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg: issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [undefined]
# gpg: aka "Thomas Huth <thuth@redhat.com>" [undefined]
# gpg: aka "Thomas Huth <th.huth@posteo.de>" [unknown]
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# gpg: WARNING: This key is not certified with a trusted signature!
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# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3 EAB9 2ED9 D774 FE70 2DB5
* tag 'pull-request-2022-08-08' of https://gitlab.com/thuth/qemu:
tests/qemu-iotests/264: Allow up to 5s for the BLOCK_JOB_CANCEL event to arrive
tests/avocado: fix replay-linux test
pc-bios/s390-ccw: Update the s390-ccw.img with the block size fix
pc-bios/s390-ccw: Fix booting with logical block size < physical block size
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This test of -readconfig validates the last three regressions we
have fixed with -readconfig:
* Interpretation of memory size units as MiB not bytes
* Allow use of [spice]
* Allow use of [object]
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20220805115529.124544-2-berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
mem_str will never be an empty string, because qemu_opt_get_size() fails
if it encounters one:
$ ./qemu-system-x86_64 -m size=
qemu-system-x86_64: -m size=: Parameter size expects a non-negative number below 2^64
Optional suffix k, M, G, T, P or E means kilo-, mega-, giga-, tera-, peta-
and exabytes, respectively.
Suggested-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The -M memory.* options do not have magic applied to them like the -m
option, namely no "M" (for mebibytes) is tacked at the end of a suffixless
value for "-M memory.size".
This magic is performed by parse_memory_options, and we have to do it for
both "-m" and the [memory] section of a config file. Storing [memory]
sections directly to machine_opts_dict changed the meaning of
[memory]
size = "1024"
in a -readconfig file from 1024MiB to 8KiB (1024 Bytes rounded up to
8KiB silently). To avoid this, the [memory] section has to be changed
back to QemuOpts (combining [memory] and "-m" will work fine thanks to
.merge_lists being true).
Change parse_memory_options() so that, similar to the older function
set_memory_options(), it operates after command line parsing is done;
and also call it where set_memory_options() used to be.
Note, the parsing code uses exit(1) instead of exit(EXIT_FAILURE) to
match neighboring code.
Reported-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Fixes: ce9d03fb3f ("machine: add mem compound property", 2022-05-12)
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
In xlnx_dp_aux_set_command, when the command leads to the default
branch, xlxn-dp will abort and then crash.
This patch removes this abort and drops this operation.
Fixes: 58ac482 ("introduce xlnx-dp")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/411
Reported-by: Qiang Liu <cyruscyliu@gmail.com>
Tested-by: Qiang Liu <cyruscyliu@gmail.com>
Suggested-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Qiang Liu <cyruscyliu@gmail.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Frederic Konrad <fkonrad@amd.com>
Message-Id: <20220808080116.2184881-1-cyruscyliu@gmail.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
We allocate VuVirtqElement with g_malloc() in
virtqueue_alloc_element(), but free it with free() in
vhost-user-blk.c. Harmless, but use g_free() anyway.
One of the calls is guarded by a "not null" condition. Useless,
because it cannot be null (it's dereferenced right before), and even
it it could be, free() and g_free() do the right thing. Drop the
conditional.
Fixes: Coverity CID 1490290
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Raphael Norwitz <raphael.norwitz@nutanix.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20220630085219.1305519-1-armbru@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
It is possible to hit the assertTrue(delta_t < 2.0) on very loaded
systems. Increase the value to 5.0 to ease the situation a little bit.
Message-Id: <20220802123101.430757-1-thuth@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Last line of the test is missing by accident.
This patch fixes the script.
Signed-off-by: Pavel Dovgalyuk <Pavel.Dovgalyuk@ispras.ru>
Message-Id: <165943656662.362178.2086588841425038338.stgit@pasha-ThinkPad-X280>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
For accessing single blocks during boot, it's the logical block size that
matters. (Physical block sizes are rather interesting e.g. for creating
file systems with the correct alignment for speed reasons etc.).
So the s390-ccw bios has to use the logical block size for calculating
sector numbers during the boot phase, the "physical_block_exp" shift
value must not be taken into account. This change fixes the boot process
when the guest hast been installed on a disk where the logical block size
differs from the physical one, e.g. if the guest has been installed
like this:
qemu-system-s390x -nographic -accel kvm -m 2G \
-drive if=none,id=d1,file=fedora.iso,format=raw,media=cdrom \
-device virtio-scsi -device scsi-cd,drive=d1 \
-drive if=none,id=d2,file=test.qcow2,format=qcow2
-device virtio-blk,drive=d2,physical_block_size=4096,logical_block_size=512
Linux correctly uses the logical block size of 512 for the installation,
but the s390-ccw bios tries to boot from a disk with 4096 block size so
far, as long as this patch has not been applied yet (well, it used to work
by accident in the past due to the virtio_assume_scsi() hack that used to
enforce 512 byte sectors on all virtio-block disks, but that hack has been
well removed in commit 5447de2619 to fix other scenarios).
Fixes: 5447de2619 ("pc-bios/s390-ccw/virtio-blkdev: Remove virtio_assume_scsi()")
Buglink: https://bugzilla.redhat.com/show_bug.cgi?id=2112303
Message-Id: <20220805094214.285223-1-thuth@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
* Display deprecation warnings in -cpu help
* Fix zerocopy IPv6 handling
* Clarify platform support policy on minor release/backports
* Fix closesocket call in error path
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Merge tag 'misc-next-pull-request' of https://gitlab.com/berrange/qemu into staging
Merge misc patches
* Display deprecation warnings in -cpu help
* Fix zerocopy IPv6 handling
* Clarify platform support policy on minor release/backports
* Fix closesocket call in error path
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# gpg: Signature made Fri 05 Aug 2022 08:19:38 AM PDT
# gpg: using RSA key DAF3A6FDB26B62912D0E8E3FBE86EBB415104FDF
# gpg: Good signature from "Daniel P. Berrange <dan@berrange.com>" [full]
# gpg: aka "Daniel P. Berrange <berrange@redhat.com>" [full]
* tag 'misc-next-pull-request' of https://gitlab.com/berrange/qemu:
util/qemu-sockets: Replace the call to close a socket with closesocket()
target/arm: display deprecation status in '-cpu help'
target/s390x: display deprecation status in '-cpu help'
target/i386: display deprecation status in '-cpu help'
QIOChannelSocket: Add support for MSG_ZEROCOPY + IPV6
docs: build-platforms: Clarify stance on minor releases and backports
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
GDB LoongArch fpu use fcc register, update gdb_set_fpu()
and gdb_get_fpu() to match it.
Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20220805033523.1416837-6-gaosong@loongson.cn>
Rename loongarch-fpu64.xml to loongarch-fpu.xml and update
loongarch-fpu.xml to match upstream GDB [1]
[1]:https://github.com/bminor/binutils-gdb/blob/master/gdb/features/loongarch/fpu.xml
Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20220805033523.1416837-5-gaosong@loongson.cn>
Update loongarch-base64.xml to match the upstream GDB [1].
[1]:https://github.com/bminor/binutils-gdb/blob/master/gdb/features/loongarch/base64.xml
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Acked-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20220805033523.1416837-4-gaosong@loongson.cn>
GDB LoongArch add a register orig_a0, see the base64.xml [1].
We should add the orig_a0 to match the upstream GDB.
[1]: https://github.com/bminor/binutils-gdb/blob/master/gdb/features/loongarch/base64.xml
Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20220805033523.1416837-2-gaosong@loongson.cn>
Fix a compiler warning on openbsd:
../src/hw/loongarch/acpi-build.c:416:12: warning: variable 'aml_len'
set but not used [-Wunused-but-set-variable]
size_t aml_len = 0;
^
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220721040046.3985609-1-gaosong@loongson.cn>
[rth: Removing aml_len in turn makes fadt set but not used.]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The macros SET_FPU_* are used to set corresponding bits of fcsr.
Unfortunately it forgets to set the result and it causes fcsr's
"CAUSE" never being updated. This patch is to fix this bug.
Signed-off-by: Qi Hu <huqi@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20220804132450.314329-1-huqi@loongson.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
close() is a *nix function. It works on any file descriptor, and
sockets in *nix are an example of a file descriptor.
closesocket() is a Windows-specific function, which works only
specifically with sockets. Sockets on Windows do not use *nix-style
file descriptors, and socket() returns a handle to a kernel object
instead, so it must be closed with closesocket().
In QEMU there is already a logic to handle such platform difference
in os-posix.h and os-win32.h, that:
* closesocket maps to close on POSIX
* closesocket maps to a wrapper that calls the real closesocket()
on Windows
Replace the call to close a socket with closesocket() instead.
Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
When the user queries CPU models via QMP there is a 'deprecated' flag
present, however, this is not done for the CLI '-cpu help' command.
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
When the user queries CPU models via QMP there is a 'deprecated' flag
present, however, this is not done for the CLI '-cpu help' command.
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
When the user queries CPU models via QMP there is a 'deprecated' flag
present, however, this is not done for the CLI '-cpu help' command.
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
For using MSG_ZEROCOPY, there are two steps:
1 - io_writev() the packet, which enqueues the packet for sending, and
2 - io_flush(), which gets confirmation that all packets got correctly sent
Currently, if MSG_ZEROCOPY is used to send packets over IPV6, no error will
be reported in (1), but it will fail in the first time (2) happens.
This happens because (2) currently checks for cmsg_level & cmsg_type
associated with IPV4 only, before reporting any error.
Add checks for cmsg_level & cmsg_type associated with IPV6, and thus enable
support for MSG_ZEROCOPY + IPV6
Fixes: 2bc58ffc29 ("QIOChannelSocket: Implement io_writev zero copy flag & io_flush for CONFIG_LINUX")
Signed-off-by: Leonardo Bras <leobras@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
These changes match those made in the following libvirt commits:
2ac78307af docs: Clarify our stance on backported packages
78cffd450a docs: Spell out our policy concerning minor releases
Since QEMU's platform support policy is based on libvirt's, it
makes sense to mirror these recent changes made to the latter.
The policy is not altered significantly - we're simply spelling
out some rules that were likely already being implicitly
enforced.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
