Commit Graph

88657 Commits

Author SHA1 Message Date
Peter Maydell
ef4989b0a8 hw/gpio/pl061: Convert to 3-phase reset and assert GPIO lines correctly on reset
The PL061 comes out of reset with all its lines configured as input,
which means they might need to be pulled to 0 or 1 depending on the
'pullups' and 'pulldowns' properties.  Currently we do not assert
these lines on reset; they will only be set whenever the guest first
touches a register that triggers a call to pl061_update().

Convert the device to three-phase reset so we have a place where we
can safely call qemu_set_irq() to set the floating lines to their
correct values.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2021-07-09 16:09:12 +01:00
Peter Maydell
d6773a1f99 hw/arm/virt: Make PL061 GPIO lines pulled low, not high
For the virt board we have two PL061 devices -- one for NonSecure which
is inputs only, and one for Secure which is outputs only. For the former,
we don't care whether its outputs are pulled low or high when the line is
configured as an input, because we don't connect them. For the latter,
we do care, because we wire the lines up to the gpio-pwr device, which
assumes that level 1 means "do the action" and 1 means "do nothing".
For consistency in case we add more outputs in future, configure both
PL061s to pull GPIO lines down to 0.

Reported-by: Maxim Uvarov <maxim.uvarov@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2021-07-09 16:09:12 +01:00
Peter Maydell
c1e69e92ae hw/gpio/pl061: Make pullup/pulldown of outputs configurable
The PL061 GPIO does not itself include pullup or pulldown resistors
to set the value of a GPIO line treated as an output when it is
configured as an input (ie when the PL061 itself is not driving it).
In real hardware it is up to the board to add suitable pullups or
pulldowns.  Currently our implementation hardwires this to "outputs
pulled high", which is correct for some boards (eg the realview ones:
see figure 3-29 in the "RealView Platform Baseboard for ARM926EJ-S
User Guide" DUI0224I), but wrong for others.

In particular, the wiring in the 'virt' board and the gpio-pwr device
assumes that wires should be pulled low, because otherwise the
pull-to-high will trigger a shutdown or reset action.  (The only
reason this doesn't happen immediately on startup is due to another
bug in the PL061, where we don't assert the GPIOs to the correct
value on reset, but will do so as soon as the guest touches a
register and pl061_update() gets called.)

Add properties to the pl061 so the board can configure whether it
wants GPIO lines to have pullup, pulldown, or neither.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2021-07-09 16:09:12 +01:00
Peter Maydell
ad06d56fc7 hw/gpio/pl061: Honour Luminary PL061 PUR and PDR registers
The Luminary variant of the PL061 has registers GPIOPUR and GPIOPDR
which lets the guest configure whether the GPIO lines are pull-up,
pull-down, or truly floating. Instead of assuming all lines are pulled
high, honour the PUR and PDR registers.

For the plain PL061, continue to assume that lines have an external
pull-up resistor, as we did before.

The stellaris board actually relies on this behaviour -- the CD line
of the ssd0323 display device is connected to GPIO output C7, and it
is only because of a different bug which we're about to fix that we
weren't incorrectly driving this line high on reset and putting the
ssd0323 into data mode.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2021-07-09 16:09:12 +01:00
Peter Maydell
455736df2c hw/gpio/pl061: Document the interface of this device
Add a comment documenting the "QEMU interface" of this device:
which MMIO regions, IRQ lines, GPIO lines, etc it exposes.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2021-07-09 16:09:12 +01:00
Peter Maydell
74d359b52d hw/gpio/pl061: Add tracepoints for register read and write
Add tracepoints for reads and writes to the PL061 registers. This requires
restructuring pl061_read() to only return after the tracepoint, rather
than having lots of early-returns.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2021-07-09 16:09:12 +01:00
Peter Maydell
e24a9f6a59 hw/gpio/pl061: Clean up read/write offset handling logic
Currently the pl061_read() and pl061_write() functions handle offsets
using a combination of three if() statements and a switch().  Clean
this up to use just a switch, using case ranges.

This requires that instead of catching accesses to the luminary-only
registers on a stock PL061 via a check on s->rsvd_start we use
an "is this luminary?" check in the cases for each luminary-only
register.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2021-07-09 16:09:12 +01:00
Peter Maydell
102d7d1fba hw/gpio/pl061: Convert DPRINTF to tracepoints
Convert the use of the DPRINTF debug macro in the PL061 model to
use tracepoints.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2021-07-09 16:09:12 +01:00
Ricardo Koller
f4ec71d07c hw/intc/arm_gicv3_cpuif: Fix virtual irq number check in icv_[dir|eoir]_write
icv_eoir_write() and icv_dir_write() ignore invalid virtual IRQ numbers
(like LPIs).  The issue is that these functions check against the number
of implemented IRQs (QEMU's default is num_irq=288) which can be lower
than the maximum virtual IRQ number (1020 - 1).  The consequence is that
if a hypervisor creates an LR for an IRQ between 288 and 1020, then the
guest is unable to deactivate the resulting IRQ. Note that other
functions that deal with large IRQ numbers, like icv_iar_read, check
against 1020 and not against num_irq.

Fix the checks by using GICV3_MAXIRQ (1020) instead of the number of
implemented IRQs.

Signed-off-by: Ricardo Koller <ricarkol@google.com>
Message-id: 20210702233701.3369-1-ricarkol@google.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-07-09 16:09:12 +01:00
Alexandre Iooss
7cb4097f2d tests/boot-serial-test: Add STM32VLDISCOVERY board testcase
New mini-kernel test for STM32VLDISCOVERY USART1.

Signed-off-by: Alexandre Iooss <erdnaxe@crans.org>
Acked-by: Thomas Huth <thuth@redhat.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20210617165647.2575955-5-erdnaxe@crans.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-07-09 16:09:12 +01:00
Alexandre Iooss
1af060e574 docs/system: arm: Add stm32 boards description
This adds the target guide for Netduino 2, Netduino Plus 2 and STM32VLDISCOVERY.

Signed-off-by: Alexandre Iooss <erdnaxe@crans.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20210617165647.2575955-4-erdnaxe@crans.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-07-09 16:09:12 +01:00
Alexandre Iooss
2ac2410c5e stm32vldiscovery: Add the STM32VLDISCOVERY Machine
This is a Cortex-M3 based machine. Information can be found at:
https://www.st.com/en/evaluation-tools/stm32vldiscovery.html

Signed-off-by: Alexandre Iooss <erdnaxe@crans.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20210617165647.2575955-3-erdnaxe@crans.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-07-09 16:09:12 +01:00
Alexandre Iooss
0f76debd1f stm32f100: Add the stm32f100 SoC
This SoC is similar to stm32f205 SoC.
This will be used by the STM32VLDISCOVERY to create a machine.

Signed-off-by: Alexandre Iooss <erdnaxe@crans.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20210617165647.2575955-2-erdnaxe@crans.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-07-09 16:09:11 +01:00
Peter Maydell
05de778b5b pc,pci,virtio: bugfixes, improvements
vhost-user-rng support.
 Fixes all over the place.
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

pc,pci,virtio: bugfixes, improvements

vhost-user-rng support.
Fixes all over the place.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

# gpg: Signature made Wed 07 Jul 2021 14:29:30 BST
# gpg:                using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg:                issuer "mst@redhat.com"
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full]
# gpg:                 aka "Michael S. Tsirkin <mst@redhat.com>" [full]
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17  0970 C350 3912 AFBE 8E67
#      Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA  8A0D 281F 0DB8 D28D 5469

* remotes/mst/tags/for_upstream:
  MAINTAINERS: Add maintainer for vhost-user RNG implementation
  docs: add slot when adding new PCIe root port
  acpi/ged: fix reset cause
  tests: acpi: pc: update expected DSDT blobs
  acpi: pc: revert back to v5.2 PCI slot enumeration
  tests: acpi: prepare for changing DSDT tables
  migration: failover: reset partially_hotplugged
  virtio-pci: Changed return values for "notify", "device" and "isr" read.
  virtio-pci: Added check for virtio device in PCI config cbs.
  virtio-pci: Added check for virtio device presence in mm callbacks.
  hw/pci-host/q35: Ignore write of reserved PCIEXBAR LENGTH field
  virtio: Clarify MR transaction optimization
  virtio: disable ioeventfd for record/replay

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-07-09 14:30:01 +01:00
Peter Maydell
53c0123118 Pull request
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Merge remote-tracking branch 'remotes/stefanha-gitlab/tags/block-pull-request' into staging

Pull request

# gpg: Signature made Thu 08 Jul 2021 14:11:37 BST
# gpg:                using RSA key 8695A8BFD3F97CDAAC35775A9CA4ABB381AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" [full]
# gpg:                 aka "Stefan Hajnoczi <stefanha@gmail.com>" [full]
# Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35  775A 9CA4 ABB3 81AB 73C8

* remotes/stefanha-gitlab/tags/block-pull-request:
  block/io: Merge discard request alignments
  block: Add backend_defaults property
  block/file-posix: Optimize for macOS
  util/async: print leaked BH name when AioContext finalizes
  util/async: add a human-readable name to BHs for debugging

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-07-08 22:17:28 +01:00
Peter Maydell
9db3065c62 linux-user pull request 20210708
Code and style cleanup
 Add ppid in self/stat
 ELF_HWCAP for RISC-V
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Merge remote-tracking branch 'remotes/vivier2/tags/linux-user-for-6.1-pull-request' into staging

linux-user pull request 20210708

Code and style cleanup
Add ppid in self/stat
ELF_HWCAP for RISC-V

# gpg: Signature made Thu 08 Jul 2021 11:07:31 BST
# gpg:                using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C
# gpg:                issuer "laurent@vivier.eu"
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg:                 aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg:                 aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F  5173 F30C 38BD 3F2F BE3C

* remotes/vivier2/tags/linux-user-for-6.1-pull-request:
  linux-user/syscall: Remove hardcoded tabs (code style)
  linux-user/alpha: Remove hardcoded tabs (code style)
  linux-user/mips: Handle TARGET_EWOULDBLOCK as TARGET_EAGAIN
  linux-user/hppa: Handle TARGET_EWOULDBLOCK as TARGET_EAGAIN
  linux-user/alpha: Handle TARGET_EWOULDBLOCK as TARGET_EAGAIN
  linux-user: Fix style problems in linuxload.c
  linux-user: fill ppid field in /proc/self/stat
  linux-user/elfload: Implement ELF_HWCAP for RISC-V

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-07-08 16:30:18 +01:00
Alex Bennée
eba61056e4 tests/tcg: generalise the disabling of the signals test
It turns out you push down in one place and failures pop-up elsewhere.
Especially on CI. Disable for now for all targets.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-07-08 14:05:51 +01:00
Philippe Mathieu-Daudé
c632ea1dd9 linux-user/syscall: Remove hardcoded tabs (code style)
We are going to move this code, fix its style first.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210704183755.655002-12-f4bug@amsat.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-07-07 21:34:21 +02:00
Philippe Mathieu-Daudé
04b853935f linux-user/alpha: Remove hardcoded tabs (code style)
We are going to move this code, fix its style first.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210704183755.655002-7-f4bug@amsat.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-07-07 21:30:38 +02:00
Philippe Mathieu-Daudé
bc3359f739 linux-user/mips: Handle TARGET_EWOULDBLOCK as TARGET_EAGAIN
Linux kernel defines EWOULDBLOCK as EAGAIN (since before v2.6.12-rc2).

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210704183755.655002-4-f4bug@amsat.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-07-07 21:26:46 +02:00
Philippe Mathieu-Daudé
db10481c00 linux-user/hppa: Handle TARGET_EWOULDBLOCK as TARGET_EAGAIN
Linux kernel defines EWOULDBLOCK as EAGAIN (since before v2.6.12-rc2).

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210704183755.655002-3-f4bug@amsat.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-07-07 21:26:03 +02:00
Philippe Mathieu-Daudé
f5f35cec5a linux-user/alpha: Handle TARGET_EWOULDBLOCK as TARGET_EAGAIN
Linux kernel defines EWOULDBLOCK as EAGAIN (since before v2.6.12-rc2).

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210704183755.655002-2-f4bug@amsat.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-07-07 21:25:10 +02:00
Richard Henderson
a46955ff61 linux-user: Fix style problems in linuxload.c
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210706234932.356913-3-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-07-07 21:22:35 +02:00
Andreas Schwab
7aa9fe3a52 linux-user: fill ppid field in /proc/self/stat
Signed-off-by: Andreas Schwab <schwab@suse.de>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <mvmwnqnef5g.fsf@suse.de>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-07-07 21:16:58 +02:00
Kito Cheng
cb46938c45 linux-user/elfload: Implement ELF_HWCAP for RISC-V
Set I, M, A, F, D and C bit for hwcap if misa is set.

Signed-off-by: Kito Cheng <kito.cheng@sifive.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210706035015.122899-1-kito.cheng@sifive.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-07-07 21:14:47 +02:00
Mathieu Poirier
e3e01466bf MAINTAINERS: Add maintainer for vhost-user RNG implementation
This patch adds entry for the vhost-user-rng related files.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Message-Id: <20210614202842.581640-6-mathieu.poirier@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2021-07-07 06:11:22 -04:00
Akihiko Odaki
9f460c64e1 block/io: Merge discard request alignments
Signed-off-by: Akihiko Odaki <akihiko.odaki@gmail.com>
Message-id: 20210705130458.97642-3-akihiko.odaki@gmail.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2021-07-06 14:28:55 +01:00
Akihiko Odaki
12a521b56d block: Add backend_defaults property
backend_defaults property allow users to control if default block
properties should be decided with backend information.

If it is off, any backend information will be discarded, which is
suitable if you plan to perform live migration to a different disk backend.

If it is on, a block device may utilize backend information more
aggressively.

By default, it is auto, which uses backend information for block
sizes and ignores the others, which is consistent with the older
versions.

Signed-off-by: Akihiko Odaki <akihiko.odaki@gmail.com>
Message-id: 20210705130458.97642-2-akihiko.odaki@gmail.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2021-07-06 14:28:55 +01:00
Akihiko Odaki
0dfc7af2b2 block/file-posix: Optimize for macOS
This commit introduces "punch hole" operation and optimizes transfer
block size for macOS.

Thanks to Konstantin Nazarov for detailed analysis of a flaw in an
old version of this change:
https://gist.github.com/akihikodaki/87df4149e7ca87f18dc56807ec5a1bc5#gistcomment-3654667

Signed-off-by: Akihiko Odaki <akihiko.odaki@gmail.com>
Message-id: 20210705130458.97642-1-akihiko.odaki@gmail.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2021-07-06 14:28:55 +01:00
Peter Maydell
9aef095419 * More Meson test conversions and configure cleanups
* Generalize XSAVE area offset so that it matches AMD processors on KVM
 * Improvements for -display and deprecation of -no-quit
 * Enable SMP configuration as a compound machine property ("-M smp.cpus=...")
 * Haiku compilation fix
 * Add icon on Darwin
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Merge remote-tracking branch 'remotes/bonzini-gitlab/tags/for-upstream' into staging

* More Meson test conversions and configure cleanups
* Generalize XSAVE area offset so that it matches AMD processors on KVM
* Improvements for -display and deprecation of -no-quit
* Enable SMP configuration as a compound machine property ("-M smp.cpus=...")
* Haiku compilation fix
* Add icon on Darwin

# gpg: Signature made Tue 06 Jul 2021 08:35:23 BST
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* remotes/bonzini-gitlab/tags/for-upstream: (40 commits)
  config-host.mak: remove unused compiler-related lines
  Set icon for QEMU binary on Mac OS
  qemu-option: remove now-dead code
  machine: add smp compound property
  vl: switch -M parsing to keyval
  keyval: introduce keyval_parse_into
  keyval: introduce keyval_merge
  qom: export more functions for use with non-UserCreatable objects
  configure: convert compiler tests to meson, part 6
  configure: convert compiler tests to meson, part 5
  configure: convert compiler tests to meson, part 4
  configure: convert compiler tests to meson, part 3
  configure: convert compiler tests to meson, part 2
  configure: convert compiler tests to meson, part 1
  configure: convert HAVE_BROKEN_SIZE_MAX to meson
  configure, meson: move CONFIG_IVSHMEM to meson
  meson: store dependency('threads') in a variable
  meson: sort existing compiler tests
  configure, meson: convert libxml2 detection to meson
  configure, meson: convert liburing detection to meson
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-07-06 11:24:58 +01:00
Paolo Bonzini
7ca6f2ad37 config-host.mak: remove unused compiler-related lines
Most of the build is not done via Makefiles, therefore the toolchain
variables are mostly unused.  They are still used by tests/tcg
and pc-bios/roms, but most of them are not needed there.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-06 09:35:08 +02:00
John Arbuckle
3983a767e3 Set icon for QEMU binary on Mac OS
Before switching the build system over to Meson, an icon was
added to the QEMU binary on Mac OS. This patch adds back that
feature; it piggybacks on the existing scripts/entitlement.sh,
which already does in-place changes to the executable on Darwin.

Signed-off-by: John Arbuckle <programmingkidx@gmail.com>
Message-Id: <20210705195328.36442-1-programmingkidx@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-06 09:35:08 +02:00
Paolo Bonzini
904806c69b qemu-option: remove now-dead code
-M was the sole user of qemu_opts_set and qemu_opts_set_defaults,
remove them and the arguments that they used.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-06 08:33:51 +02:00
Paolo Bonzini
fe68090e8f machine: add smp compound property
Make -smp syntactic sugar for a compound property "-machine
smp.{cores,threads,cpu,...}".  machine_smp_parse is replaced by the
setter for the property.

numa-test will now cover the new syntax, while other tests
still use -smp.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-06 08:33:51 +02:00
Paolo Bonzini
d8fb7d0969 vl: switch -M parsing to keyval
Switch from QemuOpts to keyval.  This enables the introduction
of non-scalar machine properties, and JSON syntax in the future.

For JSON syntax to be supported right now, we would have to
consider what would happen if string-based dictionaries (produced by
-M key=val) were to be merged with strongly-typed dictionaries
(produced by -M {'key': 123}).

The simplest way out is to never enter the situation, and only allow one
-M option when JSON syntax is in use.  However, we want options such as
-smp to become syntactic sugar for -M, and this is a problem; as soon
as -smp becomes a shortcut for -M, QEMU would forbid using -M '{....}'
together with -smp.  Therefore, allowing JSON syntax right now for -M
would be a forward-compatibility nightmare and it would be impossible
anyway to introduce -M incrementally in tools.

Instead, support for JSON syntax is delayed until after the main
options are converted to QOM compound properties.  These include -boot,
-acpitable, -smbios, -m, -semihosting-config, -rtc and -fw_cfg.  Once JSON
syntax is introduced, these options will _also_ be forbidden together
with -M '{...}'.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-06 08:33:51 +02:00
Paolo Bonzini
c445909e1f keyval: introduce keyval_parse_into
Allow parsing multiple keyval sequences into the same dictionary.
This will be used to simplify the parsing of the -M command line
option, which is currently a .merge_lists = true QemuOpts group.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-06 08:33:51 +02:00
Paolo Bonzini
9176e800db keyval: introduce keyval_merge
This patch introduces a function that merges two keyval-produced
(or keyval-like) QDicts.  It can be used to emulate the behavior of
.merge_lists = true QemuOpts groups, merging -readconfig sections and
command-line options in a single QDict, and also to implement -set.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-06 08:33:51 +02:00
Paolo Bonzini
3bb6944585 qom: export more functions for use with non-UserCreatable objects
Machines and accelerators are not user-creatable but they are going
to share similar command-line parsing machinery.  Export functions
that will be used with -machine and -accel in softmmu/vl.c.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-06 08:33:51 +02:00
Paolo Bonzini
d47a8b3b69 configure: convert compiler tests to meson, part 6
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-06 08:33:51 +02:00
Paolo Bonzini
a620fbe9ac configure: convert compiler tests to meson, part 5
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-06 08:33:51 +02:00
Paolo Bonzini
e1fbd2c4ed configure: convert compiler tests to meson, part 4
And remove them from the summary, since now their outcome is verbosely
included in the meson output.

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-06 08:33:51 +02:00
Paolo Bonzini
be7e89f63f configure: convert compiler tests to meson, part 3
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-06 08:33:51 +02:00
Paolo Bonzini
ed3b3f1764 configure: convert compiler tests to meson, part 2
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-06 08:33:51 +02:00
Paolo Bonzini
e66420ac6d configure: convert compiler tests to meson, part 1
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-06 08:33:51 +02:00
Paolo Bonzini
e46bd55d9c configure: convert HAVE_BROKEN_SIZE_MAX to meson
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-06 08:33:51 +02:00
Paolo Bonzini
ccd250aa2d configure, meson: move CONFIG_IVSHMEM to meson
This is a duplicate of CONFIG_EVENTFD, handle it directly in meson.build.

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-06 08:33:51 +02:00
Paolo Bonzini
6d7c7c2d1d meson: store dependency('threads') in a variable
It can be useful for has_function checks.

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-06 08:33:51 +02:00
Paolo Bonzini
69d8de7a2d meson: sort existing compiler tests
The next patches will add more compiler tests.  Sort and group the
existing tests, keeping similar cc.has_* tests together and sorting them
alphabetically by macro name.  This should make it easier to look for
examples when adding new tests to meson.build.

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-06 08:33:51 +02:00
Paolo Bonzini
c5b36c25c2 configure, meson: convert libxml2 detection to meson
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-06 08:33:51 +02:00
Paolo Bonzini
53c22b68e3 configure, meson: convert liburing detection to meson
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-06 08:33:51 +02:00