The HAXM project has been retired (see https://github.com/intel/haxm#status),
so we should mark the code in QEMU as deprecated (and finally remove it
unless somebody else picks the project up again - which is quite unlikely
since there are now whpx and hvf on these operating systems, too).
Message-Id: <20230126121034.1035138-1-thuth@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Abort the maintenance of Guest CPU Cores (HAXM).
* Clean up the maintainer list of X86 HAXM CPUs
* Remove the web page URL and the mailing list
* Change the status to Orphan
Reviewed-by: Hang Yuan <hang.yuan@intel.com>
Signed-off-by: Wenchao Wang <wenchao.wang@intel.com>
Message-Id: <DM6PR11MB40903B55C23D5140E5BEF17687C49@DM6PR11MB4090.namprd11.prod.outlook.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Since commit efc6c070ac ("configure: Add a test for the minimum
compiler version") the minimum compiler version required for GCC
is 4.8, which supports __builtin_bswap().
Remove the NetBSD specific ifdef'ry.
This reverts commit 1360677cfe
("makes NetBSD use the native bswap functions").
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230111163147.71761-7-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Since commit efc6c070ac ("configure: Add a test for the minimum
compiler version") the minimum compiler version required for GCC
is 4.8, which supports __builtin_bswap().
Remove the FreeBSD specific ifdef'ry.
This reverts commit de03c3164a
("bswap: Fix build on FreeBSD 10.0").
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230111163147.71761-6-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Since commit efc6c070ac ("configure: Add a test for the minimum
compiler version") the minimum compiler version required for GCC
is 4.8, which supports __builtin_bswap().
Remove the Haiku specific ifdef'ry.
This reverts commit 652a46ebba
("bswap.h: Include <endian.h> on Haiku for bswap operations").
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230111163147.71761-5-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Since commit efc6c070ac ("configure: Add a test for the minimum
compiler version") the minimum compiler version required for GCC
is 4.8, which supports __builtin_bswap().
Drop the <byteswap.h> dependency.
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230111163147.71761-4-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230111163147.71761-3-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Use the compiler built-in function to byte swap values,
as the compiler is clever and will fold constants.
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230111163147.71761-2-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
No need to recompile the dtc submodule here again and again, we can
use the pre-built binary from the distribution instead.
(And this will also help in case we finally get rid of the dtc submodule
in QEMU one day)
Message-Id: <20230124143824.844040-1-thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Each job uses its own addons section nowadays, so the generic section
is completely unused and outdated, thus we can remove it now.
Message-Id: <20230119135914.2040853-1-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
No need to compile-test third party submodules over and over again if
we can simply use the pre-build library from the distribution instead.
By also adding --enable-fdt=system to the configure options, we can
also avoid to check out the "dtc" submodule here.
Message-Id: <20230120075330.2076773-1-thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
qemu-system-nios2 uses the functions from libfdt in hw/nios2/boot.c,
so this target has to be marked with TARGET_NEED_FDT=y in its config
file.
Message-Id: <20230119125745.2028814-1-thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
'-drive if=none' is meant for configuring back-end devices only, so this
got marked as deprecated in QEMU 6.2. Users should now only use the new
way with '-drive if=pflash' instead.
Message-Id: <20230112083921.887828-1-thuth@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
We are facing the issues that our test logs in the gitlab CI are
too big (and thus cut off). The bios-tables-test is one of the few
qtests that prints many lines of output by default when running with
V=1, so it contributes to this problem. Almost all other qtests are
silent with V=1 and only print debug messages with V=2 and higher.
Thus let's change the bios-tables-test to behave more like the
other tests and only print the debug messages with V=2 (or higher).
Message-Id: <20230118125132.1694469-1-thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
We are still facing the issues that our test logs in the gitlab CI
are too big (and thus cut off). A huge part is still caused by the
qom-test that prints the path and name of each object it looks at
by default. That's too much. Let's be silent by default, and only
print the object path+name when running with V=2 (and the properties
only with V=3 and higher).
Message-Id: <20230118122557.1668860-1-thuth@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20230118120405.1876329-1-lvivier@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
After recent header file inclusion rework the build fails when the blkio
module is enabled:
../block/blkio.c: In function ‘blkio_detach_aio_context’:
../block/blkio.c:321:24: error: implicit declaration of function ‘bdrv_get_aio_context’; did you mean ‘qemu_get_aio_context’? [-Werror=implicit-function-declaration]
321 | aio_set_fd_handler(bdrv_get_aio_context(bs),
| ^~~~~~~~~~~~~~~~~~~~
| qemu_get_aio_context
../block/blkio.c:321:24: error: nested extern declaration of ‘bdrv_get_aio_context’ [-Werror=nested-externs]
../block/blkio.c:321:24: error: passing argument 1 of ‘aio_set_fd_handler’ makes pointer from integer without a cast [-Werror=int-conversion]
321 | aio_set_fd_handler(bdrv_get_aio_context(bs),
| ^~~~~~~~~~~~~~~~~~~~~~~~
| |
| int
In file included from /home/pipo/git/qemu.git/include/qemu/job.h:33,
from /home/pipo/git/qemu.git/include/block/blockjob.h:30,
from /home/pipo/git/qemu.git/include/block/block_int-global-state.h:28,
from /home/pipo/git/qemu.git/include/block/block_int.h:27,
from ../block/blkio.c:13:
/home/pipo/git/qemu.git/include/block/aio.h:476:37: note: expected ‘AioContext *’ but argument is of type ‘int’
476 | void aio_set_fd_handler(AioContext *ctx,
| ~~~~~~~~~~~~^~~
../block/blkio.c: In function ‘blkio_file_open’:
../block/blkio.c:821:34: error: passing argument 2 of ‘blkio_attach_aio_context’ makes pointer from integer without a cast [-Werror=int-conversion]
821 | blkio_attach_aio_context(bs, bdrv_get_aio_context(bs));
| ^~~~~~~~~~~~~~~~~~~~~~~~
| |
| int
Fix it by including 'block/block-io.h' which contains the required
declarations.
Fixes: e2c1c34f13
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-id: 2bc956011404a1ab03342aefde0087b5b4762562.1674477350.git.pkrempa@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
virtio_blk_dma_restart_cb() is tricky because the BH must deal with
virtio_blk_data_plane_start()/virtio_blk_data_plane_stop() being called.
There are two issues with the code:
1. virtio_blk_realize() should use qdev_add_vm_change_state_handler()
instead of qemu_add_vm_change_state_handler(). This ensures the
ordering with virtio_init()'s vm change state handler that calls
virtio_blk_data_plane_start()/virtio_blk_data_plane_stop() is
well-defined. Then blk's AioContext is guaranteed to be up-to-date in
virtio_blk_dma_restart_cb() and it's no longer necessary to have a
special case for virtio_blk_data_plane_start().
2. Only blk_drain() waits for virtio_blk_dma_restart_cb()'s
blk_inc_in_flight() to be decremented. The bdrv_drain() family of
functions do not wait for BlockBackend's in_flight counter to reach
zero. virtio_blk_data_plane_stop() relies on blk_set_aio_context()'s
implicit drain, but that's a bdrv_drain() and not a blk_drain().
Note that virtio_blk_reset() already correctly relies on blk_drain().
If virtio_blk_data_plane_stop() switches to blk_drain() then we can
properly wait for pending virtio_blk_dma_restart_bh() calls.
Once these issues are taken care of the code becomes simpler. This
change is in preparation for multiple IOThreads in virtio-blk where we
need to clean up the multi-threading behavior.
I ran the reproducer from commit 49b44549ac ("virtio-blk: On restart,
process queued requests in the proper context") to check that there is
no regression.
Cc: Sergio Lopez <slp@redhat.com>
Cc: Kevin Wolf <kwolf@redhat.com>
Cc: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Message-id: 20221102182337.252202-1-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
When we measure FIO read performance (cache=writethrough, bs=4k,
iodepth=64) in VMs, ~80K/s notifications (e.g., EPT_MISCONFIG) are observed
from guest to qemu.
It turns out those frequent notificatons are caused by interference from
worker threads. Worker threads queue bottom halves after completing IO
requests. Pending bottom halves may lead to either aio_compute_timeout()
zeros timeout and pass it to try_poll_mode() or run_poll_handlers() returns
no progress after noticing pending aio_notify() events. Both cause
run_poll_handlers() to call poll_set_started(false) to disable poll mode.
However, for both cases, as timeout is already zeroed, the event loop
(i.e., aio_poll()) just processes bottom halves and then starts the next
event loop iteration. So, disabling poll mode has no value but leads to
unnecessary notifications from guest.
To minimize unnecessary notifications from guest, defer disabling poll
mode to when the event loop is about to be blocked.
With this patch applied, FIO seq-read performance (bs=4k, iodepth=64,
cache=writethrough) in VMs increases from 330K/s to 413K/s IOPS.
Suggested-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Chao Gao <chao.gao@intel.com>
Message-id: 20220710120849.63086-1-chao.gao@intel.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Do not encode the pointer as a constant in the opcode stream.
This pointer is specific to the cpu that first generated the
translation, which runs into problems with both hot-pluggable
cpus and user-only threads, as cpus are removed. It's also a
potential correctness issue in the theoretical case of a
slightly-heterogenous system, because if CPU 0 generates a
TB and then CPU 1 executes it, CPU 1 will end up using CPU 0's
hash table, which might have a wrong set of registers in it.
(All our current systems are either completely homogenous,
M-profile, or have CPUs sufficiently different that they
wouldn't be sharing TBs anyway because the differences would
show up in the TB flags, so the correctness issue is only
theoretical, not practical.)
Perform the lookup in either helper_access_check_cp_reg,
or a new helper_lookup_cp_reg.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230106194451.1213153-3-richard.henderson@linaro.org
[PMM: added note in commit message about correctness issue]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Move the ri == NULL case to the top of the function and return.
This allows the else to be removed and the code unindented.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20230106194451.1213153-2-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Qemu doesn't implement Debug Communication Channel, as well as the rest
of external debug interface. However, Microsoft Hyper-V in tries to
access some of those registers during an EL2 context switch.
Since there is no architectural way to not advertise support for external
debug, provide RAZ/WI stubs for OSDTRRX_EL1, OSDTRTX_EL1 and OSECCR_EL1
registers in the same way the rest of DCM is currently done. Do account
for access traps though with access_tda.
Signed-off-by: Evgeny Iakovlev <eiakovlev@linux.microsoft.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20230120155929.32384-3-eiakovlev@linux.microsoft.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The architecture does not define any functionality for the CLAIM tag bits.
So we will just keep the raw bits, as per spec.
Signed-off-by: Evgeny Iakovlev <eiakovlev@linux.microsoft.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230120155929.32384-2-eiakovlev@linux.microsoft.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
In v7m_exception_taken(), for v8M we set the EXC_RETURN.ES bit if
either the exception targets Secure or if the CPU doesn't implement
the Security Extension. This is incorrect: the v8M Arm ARM specifies
that the ES bit should be RES0 if the Security Extension is not
implemented, and the pseudocode agrees.
Remove the incorrect condition, so that we leave the ES bit 0
if the Security Extension isn't implemented.
This doesn't have any guest-visible effects for our current set of
emulated CPUs, because all our v8M CPUs implement the Security
Extension; but it's worth fixing in case we add a v8M CPU without
the extension in future.
Reported-by: Igor Kotrasinski <i.kotrasinsk@samsung.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Unify the two helper_set_pstate_{sm,za} in this function.
Do not call helper_* functions from svcr_write.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20230112102436.1913-8-philmd@linaro.org
Message-Id: <20230112004322.161330-1-richard.henderson@linaro.org>
[PMD: Split patch in multiple tiny steps]
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
ARM_SBCON_I2C() macro and ArmSbconI2CState typedef are
already declared via the QOM DECLARE_INSTANCE_CHECKER()
macro in "hw/i2c/arm_sbcon_i2c.h". Drop the VERSATILE_I2C
declarations from versatile_i2c.c.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230110082508.24038-5-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230110082508.24038-4-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
In order to rename TYPE_VERSATILE_I2C as TYPE_ARM_SBCON_I2C
(the formal ARM naming), start renaming its state.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230110082508.24038-3-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230110082508.24038-2-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Define TYPE_GPIO_I2C in the public "hw/i2c/bitbang_i2c.h"
header and use it in hw/arm/musicpal.c.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: Corey Minyard <cminyard@mvista.com>
Message-id: 20230111085016.44551-2-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
BASEPRI, FAULTMASK, and their _NS equivalents only exist on devices with
the Main Extension. However, the MRS instruction did not check this,
and the MSR instruction handled it inconsistently (warning BASEPRI, but
silently ignoring writes to BASEPRI_NS). Unify this behavior and always
warn when reading or writing any of these registers if the extension is
not present.
Signed-off-by: David Reiss <dreiss@meta.com>
Message-id: 167330628518.10497.13100425787268927786-0@git.sr.ht
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This is a 64-bit register on AArch64, even if the high 44 bits
are RES0. Because this is defined as ARM_CP_STATE_BOTH, we are
asserting that the cpreg field is 64-bits.
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1400
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230115171633.3171890-1-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
* riscv_htif: Support console output via proxy syscall
* Cleanup firmware and device tree loading
* Fix elen check when using vector extensions
* add RISC-V OpenSBI boot test
* Ensure we always follow MISA parsing
* Fix up masking of vsip/vsie accesses
* Trap on writes to stimecmp from VS when hvictl.VTI=1
* Introduce helper_set_rounding_mode_chkfrm
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Merge tag 'pull-riscv-to-apply-20230120' of https://github.com/alistair23/qemu into staging
Second RISC-V PR for QEMU 8.0
* riscv_htif: Support console output via proxy syscall
* Cleanup firmware and device tree loading
* Fix elen check when using vector extensions
* add RISC-V OpenSBI boot test
* Ensure we always follow MISA parsing
* Fix up masking of vsip/vsie accesses
* Trap on writes to stimecmp from VS when hvictl.VTI=1
* Introduce helper_set_rounding_mode_chkfrm
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# gpg: Signature made Fri 20 Jan 2023 07:38:37 GMT
# gpg: using RSA key F6C4AC46D4934868D3B8CE8F21E10D29DF977054
# gpg: Good signature from "Alistair Francis <alistair@alistair23.me>" [full]
# Primary key fingerprint: F6C4 AC46 D493 4868 D3B8 CE8F 21E1 0D29 DF97 7054
* tag 'pull-riscv-to-apply-20230120' of https://github.com/alistair23/qemu: (37 commits)
hw/riscv/virt.c: move create_fw_cfg() back to virt_machine_init()
target/riscv: Remove helper_set_rod_rounding_mode
target/riscv: Introduce helper_set_rounding_mode_chkfrm
tcg/riscv: Use tcg_pcrel_diff in tcg_out_ldst
target/riscv: Trap on writes to stimecmp from VS when hvictl.VTI=1
target/riscv: Fix up masking of vsip/vsie accesses
hw/riscv: use ms->fdt in riscv_socket_fdt_write_distance_matrix()
hw/riscv: use MachineState::fdt in riscv_socket_fdt_write_id()
hw/riscv/virt.c: remove 'is_32_bit' param from create_fdt_socket_cpus()
hw/riscv/sifive_u.c: simplify create_fdt()
hw/riscv/virt.c: simplify create_fdt()
hw/riscv/spike.c: simplify create_fdt()
target/riscv: Use TARGET_FMT_lx for env->mhartid
target/riscv/cpu.c: do not skip misa logic in riscv_cpu_realize()
target/riscv/cpu: set cpu->cfg in register_cpu_props()
hw/riscv/boot.c: use MachineState in riscv_load_kernel()
hw/riscv/boot.c: use MachineState in riscv_load_initrd()
hw/riscv: write bootargs 'chosen' FDT after riscv_load_kernel()
hw/riscv: write initrd 'chosen' FDT inside riscv_load_initrd()
hw/riscv/spike.c: load initrd right after riscv_load_kernel()
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
PnvChip is typedef'ed in five places, and PnvPhb4PecState in two.
Keep one, drop the others.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20221222104628.659681-5-armbru@redhat.com>
