Commit Graph

100464 Commits

Author SHA1 Message Date
Philippe Mathieu-Daudé
d6b109daee hw/arm/stellaris: Use CamelCase for STELLARIS_ADC type name
Following docs/devel/style.rst guidelines, rename
stellaris_adc_state -> StellarisADCState. This also remove a
use of 'struct' in the DECLARE_INSTANCE_CHECKER() macro call.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230109140306.23161-9-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-01-12 17:15:09 +00:00
Philippe Mathieu-Daudé
66f02065b7 hw/arm/stellaris: Drop useless casts from void * to pointer
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230109140306.23161-8-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-01-12 17:15:09 +00:00
Philippe Mathieu-Daudé
bded15c91c hw/intc/omap_intc: Use CamelCase for TYPE_OMAP_INTC type name
Following docs/devel/style.rst guidelines, rename
omap_intr_handler_s -> OMAPIntcState. This also remove a
use of 'struct' in the DECLARE_INSTANCE_CHECKER() macro call.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230109140306.23161-7-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-01-12 17:15:09 +00:00
Philippe Mathieu-Daudé
bb3d1c61ec hw/gpio/omap_gpio: Use CamelCase for TYPE_OMAP2_GPIO type name
Following docs/devel/style.rst guidelines, rename omap2_gpif_s ->
Omap2GpioState. This also remove a use of 'struct' in the
DECLARE_INSTANCE_CHECKER() macro call.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230109140306.23161-6-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-01-12 17:15:09 +00:00
Philippe Mathieu-Daudé
bbcdf7d038 hw/gpio/omap_gpio: Use CamelCase for TYPE_OMAP1_GPIO type name
Following docs/devel/style.rst guidelines, rename omap_gpif_s ->
Omap1GpioState. This also remove a use of 'struct' in the
DECLARE_INSTANCE_CHECKER() macro call.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230109140306.23161-5-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-01-12 17:15:09 +00:00
Philippe Mathieu-Daudé
a75ed3c430 hw/arm/omap: Drop useless casts from void * to pointer
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230109140306.23161-4-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-01-12 17:15:09 +00:00
Philippe Mathieu-Daudé
28180159ec hw/gpio/omap_gpio: Add local variable to avoid embedded cast
Add a local 'struct omap_gpif_s *' variable to improve readability.
(This also eases next commit conversion).

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230109140306.23161-3-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-01-12 17:15:09 +00:00
Philippe Mathieu-Daudé
c4d15af196 hw/arm/pxa: Avoid forward-declaring PXA2xxI2CState
To avoid forward-declaring PXA2xxI2CState, declare
PXA2XX_I2C before its use in pxa2xx_i2c_init() prototype.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230109140306.23161-2-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-01-12 17:15:09 +00:00
Philippe Mathieu-Daudé
20f822261a hw/arm: Remove unreachable code calling pflash_cfi01_register()
Since its QOM'ification in commit 368a354f02 ("pflash_cfi0x:
QOMified") the pflash_cfi01_register() function does not fail.

This call was later converted with a script to use &error_fatal,
still unable to fail. Remove the unreachable code.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230109115316.2235-14-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-01-12 17:03:14 +00:00
Philippe Mathieu-Daudé
65395b3cdd hw/arm/vexpress: Remove dead code in vexpress_common_init()
Upon introduction in commit b8433303fb ("Set proper device-width
for vexpress flash"), ve_pflash_cfi01_register() was calling
qdev_init_nofail() which can not fail. This call was later
converted with a script to use &error_fatal, still unable to
fail. Remove the unreachable code.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230109115316.2235-13-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-01-12 17:03:14 +00:00
Philippe Mathieu-Daudé
96c85ef86b hw/arm/z2: Use the IEC binary prefix definitions
IEC binary prefixes ease code review: the unit is explicit.

Add the FLASH_SECTOR_SIZE definition.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230109115316.2235-12-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-01-12 17:03:14 +00:00
Philippe Mathieu-Daudé
d7f1bd196e hw/arm/omap_sx1: Use the IEC binary prefix definitions
IEC binary prefixes ease code review: the unit is explicit.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230109115316.2235-11-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-01-12 17:03:14 +00:00
Philippe Mathieu-Daudé
9ab15edebb hw/arm/omap_sx1: Remove unused 'total_ram' definitions
The total_ram_v1/total_ram_v2 definitions were never used.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230109115316.2235-10-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-01-12 17:03:14 +00:00
Philippe Mathieu-Daudé
e0ee64131f hw/arm/musicpal: Use the IEC binary prefix definitions
IEC binary prefixes ease code review: the unit is explicit.

Add the FLASH_SECTOR_SIZE definition.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230109115316.2235-9-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-01-12 17:03:14 +00:00
Philippe Mathieu-Daudé
c0e3a4bf77 hw/arm/mainstone: Use the IEC binary prefix definitions
IEC binary prefixes ease code review: the unit is explicit.

Add the FLASH_SECTOR_SIZE definition.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230109115316.2235-8-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-01-12 17:03:14 +00:00
Philippe Mathieu-Daudé
38cb336fe9 hw/arm/gumstix: Use the IEC binary prefix definitions
IEC binary prefixes ease code review: the unit is explicit.

Add definitions for RAM / Flash / Flash blocksize.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230109115316.2235-7-philmd@linaro.org
Message-Id: <20200223231044.8003-3-philmd@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-01-12 17:03:14 +00:00
Philippe Mathieu-Daudé
1c2addee1a hw/arm/gumstix: Improve documentation
Add a comment describing the Connex uses a Numonyx RC28F128J3F75
flash, and the Verdex uses a Micron RC28F256P30TFA.

Correct the Verdex machine description (we model the 'Pro' board).

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230109115316.2235-6-philmd@linaro.org
Message-Id: <20200223231044.8003-3-philmd@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-01-12 17:03:14 +00:00
Philippe Mathieu-Daudé
ec177b7300 hw/arm/collie: Simplify flash creation using for() loop
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230109115316.2235-5-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-01-12 17:03:14 +00:00
Philippe Mathieu-Daudé
50f9b33b1d hw/arm/collie: Use the IEC binary prefix definitions
IEC binary prefixes ease code review: the unit is explicit.

Add definitions for RAM / Flash / Flash blocksize.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230109115316.2235-4-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-01-12 17:03:14 +00:00
Philippe Mathieu-Daudé
2990bf5da7 hw/arm/pxa2xx: Simplify pxa270_init()
Since pxa270_init() must map the device in the system memory,
there is no point in passing get_system_memory() by argument.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230109115316.2235-3-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-01-12 17:03:14 +00:00
Philippe Mathieu-Daudé
abf8361cf7 hw/arm/pxa2xx: Simplify pxa255_init()
Since pxa255_init() must map the device in the system memory,
there is no point in passing get_system_memory() by argument.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20230109115316.2235-2-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-01-12 17:03:14 +00:00
Richard Henderson
ce848378b9 target/arm: Fix sve_probe_page
Don't dereference CPUTLBEntryFull until we verify that
the page is valid.  Move the other user-only info field
updates after the valid check to match.

Cc: qemu-stable@nongnu.org
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1412
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20230104190056.305143-1-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-01-12 16:50:19 +00:00
Strahinja Jankovic
22bd244a1c tests/avocado: Add SD boot test to Cubieboard
Cubieboard now can boot directly from SD card, without the need to pass
`-kernel` parameter. Update Avocado tests to cover this functionality.

Signed-off-by: Strahinja Jankovic <strahinja.p.jankovic@gmail.com>
Reviewed-by: Niek Linnenbank <nieklinnenbank@gmail.com>
Tested-by: Niek Linnenbank <nieklinnenbank@gmail.com>
Message-id: 20221226220303.14420-8-strahinja.p.jankovic@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-01-12 16:50:19 +00:00
Strahinja Jankovic
bb9271cadb hw/arm: Allwinner A10 enable SPL load from MMC
This patch enables copying of SPL from MMC if `-kernel` parameter is not
passed when starting QEMU. SPL is copied to SRAM_A.

The approach is reused from Allwinner H3 implementation.

Tested with Armbian and custom Yocto image.

Signed-off-by: Strahinja Jankovic <strahinja.p.jankovic@gmail.com>

Reviewed-by: Niek Linnenbank <nieklinnenbank@gmail.com>
Message-id: 20221226220303.14420-7-strahinja.p.jankovic@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-01-12 16:50:19 +00:00
Strahinja Jankovic
28057e490b hw/arm: Add AXP209 to Cubieboard
SPL Boot for Cubieboard expects AXP209 connected to I2C0 bus.

Signed-off-by: Strahinja Jankovic <strahinja.p.jankovic@gmail.com>

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20221226220303.14420-6-strahinja.p.jankovic@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-01-12 16:50:19 +00:00
Strahinja Jankovic
632dfea36b hw/misc: AXP209 PMU Emulation
This patch adds minimal support for AXP-209 PMU.
Most important is chip ID since U-Boot SPL expects version 0x1. Besides
the chip ID register, reset values for two more registers used by A10
U-Boot SPL are covered.

Signed-off-by: Strahinja Jankovic <strahinja.p.jankovic@gmail.com>
Message-id: 20221226220303.14420-5-strahinja.p.jankovic@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-01-12 16:50:19 +00:00
Strahinja Jankovic
9be8a82c0e {hw/i2c,docs/system/arm}: Allwinner TWI/I2C Emulation
This patch implements Allwinner TWI/I2C controller emulation. Only
master-mode functionality is implemented.

The SPL boot for Cubieboard expects AXP209 PMIC on TWI0/I2C0 bus, so this is
first part enabling the TWI/I2C bus operation.

Since both Allwinner A10 and H3 use the same module, it is added for
both boards.

Docs are also updated for Cubieboard and Orangepi-PC board to indicate
I2C availability.

Signed-off-by: Strahinja Jankovic <strahinja.p.jankovic@gmail.com>
Reviewed-by: Niek Linnenbank <nieklinnenbank@gmail.com>
Message-id: 20221226220303.14420-4-strahinja.p.jankovic@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-01-12 16:50:19 +00:00
Strahinja Jankovic
edd3a59d5b hw/misc: Allwinner A10 DRAM Controller Emulation
During SPL boot several DRAM Controller registers are used. Most
important registers are those related to DRAM initialization and
calibration, where SPL initiates process and waits until certain bit is
set/cleared.

This patch adds these registers, initializes reset values from user's
guide and updates state of registers as SPL expects it.

Signed-off-by: Strahinja Jankovic <strahinja.p.jankovic@gmail.com>

Reviewed-by: Niek Linnenbank <nieklinnenbank@gmail.com>
Message-id: 20221226220303.14420-3-strahinja.p.jankovic@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-01-12 16:50:19 +00:00
Strahinja Jankovic
423ec28bb8 hw/misc: Allwinner-A10 Clock Controller Module Emulation
During SPL boot several Clock Controller Module (CCM) registers are
read, most important are PLL and Tuning, as well as divisor registers.

This patch adds these registers and initializes reset values from user's
guide.

Signed-off-by: Strahinja Jankovic <strahinja.p.jankovic@gmail.com>

Reviewed-by: Niek Linnenbank <nieklinnenbank@gmail.com>
Message-id: 20221226220303.14420-2-strahinja.p.jankovic@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-01-12 16:50:19 +00:00
Felipe Balbi
ee5bffa9fc hw/arm: Add Olimex H405
Olimex makes a series of low-cost STM32 boards. This commit introduces
the minimum setup to support SMT32-H405. See [1] for details

[1] https://www.olimex.com/Products/ARM/ST/STM32-H405/

Signed-off-by: Felipe Balbi <balbi@kernel.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20221230145733.200496-3-balbi@kernel.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-01-12 16:50:19 +00:00
Felipe Balbi
829da0dbe3 hw/arm/stm32f405: correctly describe the memory layout
STM32F405 has 128K of SRAM and another 64K of CCM (Core-coupled
Memory) at a different base address. Correctly describe the memory
layout to give existing FW images a chance to run unmodified.

Reviewed-by: Alistair Francis <alistair@alistair23.me>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
Message-id: 20221230145733.200496-2-balbi@kernel.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-01-12 16:50:18 +00:00
Peter Maydell
3db29dcac2 * Atomic memslot updates for KVM (Emanuele, David)
* libvhost-user/libvduse warnings fixes (Marcel)
 * i386 TCG fixes (Joe, myself)
 * Remove compilation errors when -Werror=maybe-uninitialized (Eric)
 * fix GLIB_VERSION for cross-compilation (Paolo)
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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* Atomic memslot updates for KVM (Emanuele, David)
* libvhost-user/libvduse warnings fixes (Marcel)
* i386 TCG fixes (Joe, myself)
* Remove compilation errors when -Werror=maybe-uninitialized (Eric)
* fix GLIB_VERSION for cross-compilation (Paolo)

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# gpg: Signature made Wed 11 Jan 2023 09:45:42 GMT
# 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

* tag 'for-upstream' of https://gitlab.com/bonzini/qemu: (29 commits)
  configure: remove backwards-compatibility code
  target/i386: fix operand size of unary SSE operations
  libvduse: Add extra compiler warnings
  libvhost-user: Add extra compiler warnings
  libvhost-user: Fix assignment in vring_set_avail_event
  libvduse: Fix assignment in vring_set_avail_event
  libvduse: Switch to unsigned int for inuse field in struct VduseVirtq
  libvduse: Provide _GNU_SOURCE when compiling outside of QEMU
  libvhost-user: Change dev->postcopy_ufd assignment to make it C90 compliant
  libvhost-user: Declare uffdio_register early to make it C90 compliant
  libvhost-user: Use unsigned int i for some for-loop iterations
  libvhost-user: Cast rc variable to avoid compiler warning
  libvhost-user: Replace typeof with __typeof__
  libvhost-user: Provide _GNU_SOURCE when compiling outside of QEMU
  hw/display: avoid creating empty loadable modules
  enforce use of G_GNUC_PRINTF attributes
  tests: add G_GNUC_PRINTF for various functions
  util/error: add G_GNUC_PRINTF for various functions
  tools/virtiofsd: add G_GNUC_PRINTF for logging functions
  hw/xen: use G_GNUC_PRINTF/SCANF for various functions
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-01-12 13:51:36 +00:00
Peter Maydell
a35fa426ee hw/nvme updates
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Merge tag 'nvme-next-pull-request' of https://gitlab.com/birkelund/qemu into staging

hw/nvme updates

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* tag 'nvme-next-pull-request' of https://gitlab.com/birkelund/qemu:
  hw/nvme: cleanup error reporting in nvme_init_pci()
  hw/nvme: clean up confusing use of errp/local_err
  hw/nvme: fix missing cq eventidx update
  hw/nvme: fix missing endian conversions for doorbell buffers
  hw/nvme: rename shadow doorbell related trace events
  hw/nvme: use QOM accessors

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-01-11 16:41:13 +00:00
Paolo Bonzini
75cc286485 configure: remove backwards-compatibility code
The cmd_line.txt mangling is only needed when rebuilding from very old
trees and is kept mostly as an example of how to extend it.  However,
Meson 0.63 introduces a deprecation mechanism for meson_options.txt
that can be used instead, so get rid of our home-grown hack.

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-01-11 10:44:35 +01:00
Paolo Bonzini
3d304620ec target/i386: fix operand size of unary SSE operations
VRCPSS, VRSQRTSS and VCVTSx2Sx have a 32-bit or 64-bit memory operand,
which is represented in the decoding tables by X86_VEX_REPScalar.  Add it
to the tables, and make validate_vex() handle the case of an instruction
that is in exception type 4 without the REP prefix and exception type 5
with it; this is the cas of VRCP and VRSQRT.

Reported-by: yongwoo <https://gitlab.com/yongwoo36>
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1377
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-01-11 10:44:35 +01:00
Marcel Holtmann
8d5666d76b libvduse: Add extra compiler warnings
In case libvhost-user is used externally, that projects compiler
warnings might be more strict. Enforce an extra set of compiler warnings
to catch issues early on.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <08daa1896ad8824e17d57d6a970bc0b4bee73ece.1671741278.git.marcel@holtmann.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-01-11 10:44:35 +01:00
Marcel Holtmann
722b62d97d libvhost-user: Add extra compiler warnings
In case libvhost-user is used externally, that projects compiler
warnings might be more strict. Enforce an extra set of compiler warnings
to catch issues early on.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <737ebf2e697f8640558e6f73d96a692711f548f6.1671741278.git.marcel@holtmann.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-01-11 10:44:35 +01:00
Marcel Holtmann
950a2f2eff libvhost-user: Fix assignment in vring_set_avail_event
Since it was proposed to change the code in libvduse.c to use memcpy
instead of an assignment, the code in libvhost-user.c should also be
changed to use memcpy.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <502b22723264db064e4b05008233a9c1f2f8aaaa.1671741278.git.marcel@holtmann.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-01-11 10:44:35 +01:00
Marcel Holtmann
86e61e4233 libvduse: Fix assignment in vring_set_avail_event
Since the assignment is causing a compiler warning, fix it by using
memcpy instead.

  CC       libvduse.o
libvduse.c: In function ‘vring_set_avail_event’:
libvduse.c:603:7: error: dereferencing type-punned pointer will break strict-aliasing rules [-Werror=strict-aliasin]
  603 |     *((uint16_t *)&vq->vring.used->ring[vq->vring.num]) = htole16(val);
      |      ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Suggested-by: Xie Yongji <xieyongji@bytedance.com>
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <4a0fe2a6436464473119fdbf0bc4076b36fbb37f.1671741278.git.marcel@holtmann.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-01-11 10:44:35 +01:00
Marcel Holtmann
85899f8e6b libvduse: Switch to unsigned int for inuse field in struct VduseVirtq
It seems there is no need to keep the inuse field signed and end up with
compiler warnings for sign-compare.

  CC       libvduse.o
libvduse.c: In function ‘vduse_queue_pop’:
libvduse.c:789:19: error: comparison of integer expressions of different signedness: ‘int’ and ‘unsigned int’ [-Werror=sign-compare]
  789 |     if (vq->inuse >= vq->vring.num) {
      |                   ^~

Instead of casting the comparison to unsigned int, just make the inuse
field unsigned int in the fist place.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Reviewed-by: Xie Yongji <xieyongji@bytedance.com>
Message-Id: <9fe3fd8b042e048bd04d506ca6e43d738b5c45b7.1671741278.git.marcel@holtmann.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-01-11 10:44:34 +01:00
Marcel Holtmann
518ac42879 libvduse: Provide _GNU_SOURCE when compiling outside of QEMU
When the libvduse sources are used by another project, it can not be
guaranteed that _GNU_SOURCE is set by the build system. If it is for
example not set, errors like this show up.

  CC       libvduse.o
libvduse.c: In function ‘vduse_log_get’:
libvduse.c:172:9: error: implicit declaration of function ‘ftruncate’; did you mean ‘strncat’? [-Werror=implicit-function-declaration]
  172 |     if (ftruncate(fd, size) == -1) {
      |         ^~~~~~~~~
      |         strncat

The simplest way to allow external complication of libvduse.[ch] by
setting _GNU_SOURCE if it is not already set by the build system.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Message-Id: <407f3665f0605df936e5bfe60831d180edfb8cca.1671741278.git.marcel@holtmann.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-01-11 10:44:34 +01:00
Marcel Holtmann
f1c563d209 libvhost-user: Change dev->postcopy_ufd assignment to make it C90 compliant
The assignment of dev->postcopy_ufd can be moved into an else clause and
then the code becomes C90 compliant.

  CC       libvhost-user.o
libvhost-user.c: In function ‘vu_set_postcopy_advise’:
libvhost-user.c:1625:5: error: ISO C90 forbids mixed declarations and code [-Werror=declaration-after-statement]
 1625 |     struct uffdio_api api_struct;
      |     ^~~~~~

Understandable, it might be desired to avoid else clauses, but in this
case it seems clear enough and frankly the dev->postcopy_ufd is only
assigned once.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <74db52afb1203c4580ffc7fa462b4b2ba260a353.1671741278.git.marcel@holtmann.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-01-11 10:44:34 +01:00
Marcel Holtmann
d87a642403 libvhost-user: Declare uffdio_register early to make it C90 compliant
When using libvhost-user source in an external project that wants to
comply with the C90 standard, it is best to declare variables before
code.

  CC       libvhost-user.o
libvhost-user.c: In function ‘generate_faults’:
libvhost-user.c:683:9: error: ISO C90 forbids mixed declarations and code [-Werror=declaration-after-statement]
  683 |         struct uffdio_register reg_struct;
      |         ^~~~~~

In this case, it is also simple enough and doesn't cause any extra
ifdef additions.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <556c2d00c01fa134d13c0371d4014c90694c2943.1671741278.git.marcel@holtmann.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-01-11 10:44:34 +01:00
Marcel Holtmann
92bf246130 libvhost-user: Use unsigned int i for some for-loop iterations
The sign-compare warning also hits some of the for-loops, but it easy
fixed by just making the iterator variable unsigned int.

  CC       libvhost-user.o
libvhost-user.c: In function ‘vu_gpa_to_va’:
libvhost-user.c:223:19: error: comparison of integer expressions of different signedness: ‘int’ and ‘uint32_t’ {aka ‘unsigned int’} [-Werror=sign-compare]
  223 |     for (i = 0; i < dev->nregions; i++) {
      |                   ^

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Message-Id: <decb925e1a6fb9538738d2570bda2804f888fa15.1671741278.git.marcel@holtmann.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-01-11 10:44:34 +01:00
Marcel Holtmann
18fa7f1e95 libvhost-user: Cast rc variable to avoid compiler warning
The assert from recvmsg() return value against an uint32_t size field
from a protocol struct throws a compiler warning.

  CC       libvhost-user.o
In file included from libvhost-user.c:27:
libvhost-user.c: In function ‘vu_message_read_default’:
libvhost-user.c:363:19: error: comparison of integer expressions of different signedness: ‘int’ and ‘uint32_t’ {aka ‘unsigned int’} [-Werror=sign-compare]
  363 |         assert(rc == vmsg->size);
      |                   ^~

This is not critical, but annoying when the libvhost-user source are
used in an external project that has this compiler warning switched on.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Message-Id: <7a791e27b7bd3e0a8b8cc8fbb15090a870d226d5.1671741278.git.marcel@holtmann.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-01-11 10:44:34 +01:00
Marcel Holtmann
aa5d395ac4 libvhost-user: Replace typeof with __typeof__
Strictly speaking only -std=gnu99 support the usage of typeof and for
easier inclusion in external projects, it is better to use __typeof__.

  CC       libvhost-user.o
libvhost-user.c: In function ‘vu_log_queue_fill’:
libvhost-user.c:86:13: error: implicit declaration of function ‘typeof’ [-Werror=implicit-function-declaration]
   86 |             typeof(x) _min1 = (x);              \
      |             ^~~~~~

Changing these two users of typeof makes the compiler happy and no extra
flags or pragmas need to be provided.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <981aa822bcaaa2b8d74f245339a99a85c25b346f.1671741278.git.marcel@holtmann.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-01-11 10:44:34 +01:00
Marcel Holtmann
dadc3d01bc libvhost-user: Provide _GNU_SOURCE when compiling outside of QEMU
Then the libvhost-user sources are used by another project, it can not
be guaranteed that _GNU_SOURCE is set by the build system. If it is for
example not set, errors like this show up.

  CC       libvhost-user.o
libvhost-user.c: In function ‘vu_panic’:
libvhost-user.c:195:9: error: implicit declaration of function ‘vasprintf’; did you mean ‘vsprintf’? [-Werror=implicit-function-declaration]
  195 |     if (vasprintf(&buf, msg, ap) < 0) {
      |         ^~~~~~~~~
      |         vsprintf

The simplest way to allow external complication of libvhost-user.[ch] is
by setting _GNU_SOURCE if it is not already set by the build system.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Message-Id: <be27dcc747a6b5cc6f8ae3f79e0b79171382bcef.1671741278.git.marcel@holtmann.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-01-11 10:44:34 +01:00
Daniel P. Berrangé
8b8437259c hw/display: avoid creating empty loadable modules
When using --disable-virglrenderer, QEMU still creates

  hw-display-virtio-gpu-gl.so
  hw-display-virtio-vga-gl.so
  hw-display-virtio-gpu-pci-gl.so

but when these are loaded, they provide no functionality as the code
which registers types is not compiled in. Funtionally this is
relatively harmless, because QEMU is fine loading a module with no
types.

This is rather confusing for users and OS distro maintainers though,
as they think they have the GL functionality built, but in fact the
module they are looking at provides nothing of value.

The root cause is the use of 'when/if_true' rules when adding sources
to the module source set. If all the rules evaluate to false, then we
have declared the module, but not added anything to it.  We need to
put declaration of the entire module inside a condition based on
existance of the 3rd party library deps that are mandatory.

Fixes: https://gitlab.com/qemu-project/qemu/-/issues/1352
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20221219125830.2369169-1-berrange@redhat.com>
[Do not check for pixman. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-01-11 10:44:34 +01:00
Daniel P. Berrangé
88a0ef00d7 enforce use of G_GNUC_PRINTF attributes
We've been very gradually adding G_GNUC_PRINTF annotations
to functions over years. This has been useful in detecting
certain malformed printf strings, or cases where we pass
user data as the printf format which is a potential security
flaw.

Given the inherant memory corruption danger in use of format
strings vs mis-matched variadic arguments, it is worth applying
G_GNUC_PRINTF to all functions using printf, even if we know
they are safe.

The compilers can reasonably reliably identify such places
with the -Wsuggest-attribute=format / -Wmissing-format-attribute
flags.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20221219130205.687815-7-berrange@redhat.com>
[-Wsuggest-attribute=format and -Wmissing-format-attribute are
 synonyms, only include one; disable it for testfloat. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-01-11 10:44:34 +01:00
Daniel P. Berrangé
0472b2e541 tests: add G_GNUC_PRINTF for various functions
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20221219130205.687815-6-berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-01-11 10:44:34 +01:00