Commit Graph

113 Commits

Author SHA1 Message Date
Joel Stanley
98edb134c3 hw: aspeed_gpio: Clarify GPIO controller name
There are two GPIO controllers in the ast2600; one is 3.3V and the other
is 1.8V.

Signed-off-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Rashmica Gupta <rashmica.g@gmail.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20210713065854.134634-4-joel@jms.id.au>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2021-09-20 08:50:59 +02:00
Joel Stanley
64e5758b75 hw: aspeed_gpio: Simplify 1.8V defines
There's no need to define the registers relative to the 0x800 offset
where the controller is mapped, as the device is instantiated as it's
own model at the correct memory address.

Simplify the defines and remove the offset to save future confusion.

Signed-off-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Rashmica Gupta <rashmica.g@gmail.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210713065854.134634-3-joel@jms.id.au>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2021-09-20 08:50:59 +02:00
Joel Stanley
e229a179a5 hw: aspeed_gpio: Fix memory size
The macro used to calculate the maximum memory size of the MMIO region
had a mistake, causing all GPIO models to create a mapping of 0x9D8.
The intent was to have it be 0x9D8 - 0x800.

This extra size doesn't matter on ast2400 and ast2500, which have a 4KB
region set aside for the GPIO controller.

On the ast2600 the 3.3V and 1.8V GPIO controllers are 2KB apart, so the
regions would overlap. Worse was the 1.8V controller would map over the
top of the following peripheral, which happens to be the RTC.

The mmio region used by each device is a maximum of 2KB, so avoid the
calculations and hard code this as the maximum.

Fixes: 36d737ee82 ("hw/gpio: Add in AST2600 specific implementation")
Signed-off-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Rashmica Gupta <rashmica.g@gmail.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-id: 20210713065854.134634-2-joel@jms.id.au
[PMM: fix autocorrect error in commit message]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-07-27 11:00:00 +01:00
Peter Maydell
0642e159d2 hw/gpio/pl061: Document a shortcoming in our implementation
The Luminary PL061s in the Stellaris LM3S9695 don't all have the same
reset value for GPIOPUR.  We can get away with not letting the board
configure the PUR reset value because we don't actually wire anything
up to the lines which should reset to pull-up.  Add a comment noting
this omission.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2021-07-09 16:09:12 +01:00
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
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
Maxim Uvarov
e3bcf57c1a hw/gpio/gpio_pwr: use shutdown function for reboot
qemu has 2 type of functions: shutdown and reboot. Shutdown
function has to be used for machine shutdown. Otherwise we cause
a reset with a bogus "cause" value, when we intended a shutdown.

Signed-off-by: Maxim Uvarov <maxim.uvarov@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20210625111842.3790-3-maxim.uvarov@linaro.org
[PMM: tweaked commit message]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-07-02 11:48:36 +01:00
Philippe Mathieu-Daudé
585190902a misc: Correct relative include path
Headers should be included from the 'include/' directory,
not from the root directory.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Message-Id: <20210516205034.694788-1-f4bug@amsat.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-06-05 21:10:42 +02:00
Stefano Garzarella
d0fb9657a3 docs: fix references to docs/devel/tracing.rst
Commit e50caf4a5c ("tracing: convert documentation to rST")
converted docs/devel/tracing.txt to docs/devel/tracing.rst.

We still have several references to the old file, so let's fix them
with the following command:

  sed -i s/tracing.txt/tracing.rst/ $(git grep -l docs/devel/tracing.txt)

Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20210517151702.109066-2-sgarzare@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2021-06-02 06:51:09 +02:00
Peter Maydell
367196caa0 Pull request trivial-branch 20210515
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Merge remote-tracking branch 'remotes/vivier2/tags/trivial-branch-for-6.1-pull-request' into staging

Pull request trivial-branch 20210515

# gpg: Signature made Sat 15 May 2021 11:02:59 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/trivial-branch-for-6.1-pull-request:
  target/avr: Ignore unimplemented WDR opcode
  hw/avr/atmega.c: use the avr51 cpu for atmega1280
  target/sh4: Return error if CPUClass::get_phys_page_debug() fails
  multi-process: Avoid logical AND of mutually exclusive tests
  hw/pci-host: Do not build gpex-acpi.c if GPEX is not selected
  hw/mem/meson: Fix linking sparse-mem device with fuzzer
  cutils: fix memory leak in get_relocated_path()
  hw/rtc/mc146818rtc: Convert to 3-phase reset (Resettable interface)
  hw/timer/etraxfs_timer: Convert to 3-phase reset (Resettable interface)
  hw/gpio/aspeed: spelling fix (addtional)
  qapi: spelling fix (addtional)
  virtiofsd: Fix check of chown()'s return value
  virtio-net: Constify VirtIOFeature feature_sizes[]
  virtio-blk: Constify VirtIOFeature feature_sizes[]
  hw/virtio: Pass virtio_feature_get_config_size() a const argument
  backends/tpm: Replace qemu_mutex_lock calls with QEMU_LOCK_GUARD

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-05-17 16:44:47 +01:00
Michael Tokarev
bcfec3763e hw/gpio/aspeed: spelling fix (addtional)
Fixes: 36d737ee82
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210508093615.411920-1-mjt@msgid.tls.msk.ru>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-05-13 17:58:45 +02:00
Markus Armbruster
4369223902 Drop the deprecated unicore32 target
Target unicore32 was deprecated in commit 8e4ff4a8d2, v5.2.0.  See
there for rationale.

Cc: Guan Xuetao <gxt@mprc.pku.edu.cn>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20210503084034.3804963-3-armbru@redhat.com>
Acked-by: Thomas Huth <thuth@redhat.com>
2021-05-12 18:20:52 +02:00
Maxim Uvarov
c97377652d hw: gpio: implement gpio-pwr driver for qemu reset/poweroff
Implement gpio-pwr driver to allow reboot and poweroff machine.
This is simple driver with just 2 gpios lines. Current use case
is to reboot and poweroff virt machine in secure mode. Secure
pl066 gpio chip is needed for that.

Signed-off-by: Maxim Uvarov <maxim.uvarov@linaro.org>
Reviewed-by: Hao Wu <wuhaotsh@google.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-01-29 10:47:28 +00:00
Chetan Pant
61f3c91a67 nomaintainer: Fix Lesser GPL version number
There is no "version 2" of the "Lesser" General Public License.
It is either "GPL version 2.0" or "Lesser GPL version 2.1".
This patch replaces all occurrences of "Lesser GPL version 2" with
"Lesser GPL version 2.1" in comment section.

This patch contains all the files, whose maintainer I could not get
from ‘get_maintainer.pl’ script.

Signed-off-by: Chetan Pant <chetan4windows@gmail.com>
Message-Id: <20201023124424.20177-1-chetan4windows@gmail.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
[thuth: Adapted exec.c and qdev-monitor.c to new location]
Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-11-15 17:04:40 +01:00
Havard Skinnemoen
526dbbe087 hw/gpio: Add GPIO model for Nuvoton NPCM7xx
The NPCM7xx chips have multiple GPIO controllers that are mostly
identical except for some minor differences like the reset values of
some registers. Each controller controls up to 32 pins.

Each individual pin is modeled as a pair of unnamed GPIOs -- one for
emitting the actual pin state, and one for driving the pin externally.
Like the nRF51 GPIO controller, a gpio level may be negative, which
means the pin is not driven, or floating.

Reviewed-by: Tyrone Ting <kfting@nuvoton.com>
Signed-off-by: Havard Skinnemoen <hskinnemoen@google.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-10-27 11:10:32 +00:00
Peter Maydell
834b9273d5 Pull request trivial patches 20200919
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Merge remote-tracking branch 'remotes/vivier2/tags/trivial-branch-for-5.2-pull-request' into staging

Pull request trivial patches 20200919

# gpg: Signature made Sat 19 Sep 2020 19:43:35 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/trivial-branch-for-5.2-pull-request:
  contrib/: fix some comment spelling errors
  qapi/: fix some comment spelling errors
  disas/: fix some comment spelling errors
  linux-user/: fix some comment spelling errors
  util/: fix some comment spelling errors
  scripts/: fix some comment spelling errors
  docs/: fix some comment spelling errors
  migration/: fix some comment spelling errors
  qemu/: fix some comment spelling errors
  scripts/git.orderfile: Display meson files along with buildsys ones
  hw/timer/hpet: Fix debug format strings
  hw/timer/hpet: Remove unused functions hpet_ram_readb, hpet_ram_readw
  meson: remove empty else and duplicated gio deps
  manual: escape backslashes in "parsed-literal" blocks
  ui/spice-input: Remove superfluous forward declaration
  hw/ppc/ppc4xx_pci: Replace magic value by the PCI_NUM_PINS definition
  hw/gpio/max7310: Remove impossible check

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-09-22 15:42:23 +01:00
Eduardo Habkost
8063396bf3 Use OBJECT_DECLARE_SIMPLE_TYPE when possible
This converts existing DECLARE_INSTANCE_CHECKER usage to
OBJECT_DECLARE_SIMPLE_TYPE when possible.

$ ./scripts/codeconverter/converter.py -i \
  --pattern=AddObjectDeclareSimpleType $(git grep -l '' -- '*.[ch]')

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Acked-by: Paul Durrant <paul@xen.org>
Message-Id: <20200916182519.415636-6-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-09-18 14:12:32 -04:00
Philippe Mathieu-Daudé
03a3c6f16f hw/gpio/max7310: Remove impossible check
The max7310_gpio_set() handler is static and only used by
qdev_init_gpio_in, initialized with 8 IRQs. The 'line'
argument can not be out of the [0-8[ range.
Replace the dead code by an assertion.

Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200910072325.439344-2-f4bug@amsat.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-09-16 10:43:48 +02:00
Peter Maydell
f00f57f344 This PR includes multiple fixes and features for RISC-V:
- Fixes a bug in printing trap causes
  - Allows 16-bit writes to the SiFive test device. This fixes the
    failure to reboot the RISC-V virt machine
  - Support for the Microchip PolarFire SoC and Icicle Kit
  - A reafactor of RISC-V code out of hw/riscv
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Merge remote-tracking branch 'remotes/alistair/tags/pull-riscv-to-apply-20200910' into staging

This PR includes multiple fixes and features for RISC-V:
 - Fixes a bug in printing trap causes
 - Allows 16-bit writes to the SiFive test device. This fixes the
   failure to reboot the RISC-V virt machine
 - Support for the Microchip PolarFire SoC and Icicle Kit
 - A reafactor of RISC-V code out of hw/riscv

# gpg: Signature made Thu 10 Sep 2020 19:08:06 BST
# 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

* remotes/alistair/tags/pull-riscv-to-apply-20200910: (30 commits)
  hw/riscv: Sort the Kconfig options in alphabetical order
  hw/riscv: Drop CONFIG_SIFIVE
  hw/riscv: Always build riscv_hart.c
  hw/riscv: Move sifive_test model to hw/misc
  hw/riscv: Move sifive_uart model to hw/char
  hw/riscv: Move riscv_htif model to hw/char
  hw/riscv: Move sifive_plic model to hw/intc
  hw/riscv: Move sifive_clint model to hw/intc
  hw/riscv: Move sifive_gpio model to hw/gpio
  hw/riscv: Move sifive_u_otp model to hw/misc
  hw/riscv: Move sifive_u_prci model to hw/misc
  hw/riscv: Move sifive_e_prci model to hw/misc
  hw/riscv: sifive_u: Connect a DMA controller
  hw/riscv: clint: Avoid using hard-coded timebase frequency
  hw/riscv: microchip_pfsoc: Hook GPIO controllers
  hw/riscv: microchip_pfsoc: Connect 2 Cadence GEMs
  hw/arm: xlnx: Set all boards' GEM 'phy-addr' property value to 23
  hw/net: cadence_gem: Add a new 'phy-addr' property
  hw/riscv: microchip_pfsoc: Connect a DMA controller
  hw/dma: Add SiFive platform DMA controller emulation
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

# Conflicts:
#	hw/riscv/trace-events
2020-09-13 20:29:35 +01:00
Peter Maydell
842038f55c trivial patches pull request 20200911
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Merge remote-tracking branch 'remotes/vivier2/tags/trivial-branch-for-5.2-pull-request' into staging

trivial patches pull request 20200911

# gpg: Signature made Fri 11 Sep 2020 20:32:27 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/trivial-branch-for-5.2-pull-request:
  target/i386/kvm: Add missing fallthrough comment
  util/hexdump: Reorder qemu_hexdump() arguments
  util/hexdump: Convert to take a void pointer argument
  hw/arm/pxa2xx: Add missing fallthrough comment
  target/i386/kvm: Rename host_tsx_blacklisted() as host_tsx_broken()
  test-vmstate: remove unnecessary code in match_interval_mapping_node
  hw: hyperv: vmbus: Fix 32bit compilation
  kconfig: fix comment referring to old Makefiles
  meson.build: tweak sdl-image error message
  hw/net/e1000e: Remove duplicated write handler for FLSWDATA register
  hw/net/e1000e: Remove overwritten read handler for STATUS register
  Makefile: Skip the meson subdir in cscope/TAGS/ctags
  Makefile: Drop extra phony cscope
  hw/gpio/max7310: Replace disabled printf() by qemu_log_mask(UNIMP)
  hw/gpio/omap_gpio: Replace fprintf() by qemu_log_mask(GUEST_ERROR)
  hw/acpi/tco: Remove unused definitions
  hw/isa/isa-bus: Replace hw_error() by assert()
  hw/mips/fuloong2e: Convert pointless error message to an assert()

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

# Conflicts:
#	net/colo-compare.c
2020-09-12 14:23:15 +01:00
Bin Meng
4921a0ce86 hw/riscv: Move sifive_gpio model to hw/gpio
This is an effort to clean up the hw/riscv directory. Ideally it
should only contain the RISC-V SoC / machine codes plus generic
codes. Let's move sifive_gpio model to hw/gpio directory.

Note this also removes the trace-events in the hw/riscv directory,
since gpio is the only supported trace target in that directory.

Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <1599129623-68957-5-git-send-email-bmeng.cn@gmail.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2020-09-09 15:54:19 -07:00
Philippe Mathieu-Daudé
1c3bd33a5e hw/gpio/max7310: Replace disabled printf() by qemu_log_mask(UNIMP)
Replace disabled printf() by qemu_log_mask(UNIMP).

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20200901104234.92159-3-f4bug@amsat.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-09-09 15:28:59 +02:00
Philippe Mathieu-Daudé
dfd4981a68 hw/gpio/omap_gpio: Replace fprintf() by qemu_log_mask(GUEST_ERROR)
Replace fprintf() by qemu_log_mask(LOG_GUEST_ERROR).

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20200901104234.92159-2-f4bug@amsat.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-09-09 15:27:48 +02:00
Eduardo Habkost
8110fa1d94 Use DECLARE_*CHECKER* macros
Generated using:

 $ ./scripts/codeconverter/converter.py -i \
   --pattern=TypeCheckMacro $(git grep -l '' -- '*.[ch]')

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20200831210740.126168-12-ehabkost@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20200831210740.126168-13-ehabkost@redhat.com>
Message-Id: <20200831210740.126168-14-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-09-09 09:27:09 -04:00
Eduardo Habkost
db1015e92e Move QOM typedefs and add missing includes
Some typedefs and macros are defined after the type check macros.
This makes it difficult to automatically replace their
definitions with OBJECT_DECLARE_TYPE.

Patch generated using:

 $ ./scripts/codeconverter/converter.py -i \
   --pattern=QOMStructTypedefSplit $(git grep -l '' -- '*.[ch]')

which will split "typdef struct { ... } TypedefName"
declarations.

Followed by:

 $ ./scripts/codeconverter/converter.py -i --pattern=MoveSymbols \
    $(git grep -l '' -- '*.[ch]')

which will:
- move the typedefs and #defines above the type check macros
- add missing #include "qom/object.h" lines if necessary

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20200831210740.126168-9-ehabkost@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20200831210740.126168-10-ehabkost@redhat.com>
Message-Id: <20200831210740.126168-11-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-09-09 09:26:43 -04:00
Liao Pingfang
830b925094 hw: Remove superfluous breaks
Remove superfluous breaks, as there is a "return" before them.

Signed-off-by: Liao Pingfang <liao.pingfang@zte.com.cn>
Signed-off-by: Yi Wang <wang.yi59@zte.com.cn>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1594631126-36631-1-git-send-email-wang.yi59@zte.com.cn>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-09-01 08:38:00 +02:00
Marc-André Lureau
a7b057d1d0 meson: convert hw/gpio
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-08-21 06:30:31 -04:00
Paolo Bonzini
243af0225a trace: switch position of headers to what Meson requires
Meson doesn't enjoy the same flexibility we have with Make in choosing
the include path.  In particular the tracing headers are using
$(build_root)/$(<D).

In order to keep the include directives unchanged,
the simplest solution is to generate headers with patterns like
"trace/trace-audio.h" and place forwarding headers in the source tree
such that for example "audio/trace.h" includes "trace/trace-audio.h".

This patch is too ugly to be applied to the Makefiles now.  It's only
a way to separate the changes to the tracing header files from the
Meson rewrite of the tracing logic.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-08-21 06:18:24 -04:00
Markus Armbruster
668f62ec62 error: Eliminate error_propagate() with Coccinelle, part 1
When all we do with an Error we receive into a local variable is
propagating to somewhere else, we can just as well receive it there
right away.  Convert

    if (!foo(..., &err)) {
        ...
        error_propagate(errp, err);
        ...
        return ...
    }

to

    if (!foo(..., errp)) {
        ...
        ...
        return ...
    }

where nothing else needs @err.  Coccinelle script:

    @rule1 forall@
    identifier fun, err, errp, lbl;
    expression list args, args2;
    binary operator op;
    constant c1, c2;
    symbol false;
    @@
         if (
    (
    -        fun(args, &err, args2)
    +        fun(args, errp, args2)
    |
    -        !fun(args, &err, args2)
    +        !fun(args, errp, args2)
    |
    -        fun(args, &err, args2) op c1
    +        fun(args, errp, args2) op c1
    )
            )
         {
             ... when != err
                 when != lbl:
                 when strict
    -        error_propagate(errp, err);
             ... when != err
    (
             return;
    |
             return c2;
    |
             return false;
    )
         }

    @rule2 forall@
    identifier fun, err, errp, lbl;
    expression list args, args2;
    expression var;
    binary operator op;
    constant c1, c2;
    symbol false;
    @@
    -    var = fun(args, &err, args2);
    +    var = fun(args, errp, args2);
         ... when != err
         if (
    (
             var
    |
             !var
    |
             var op c1
    )
            )
         {
             ... when != err
                 when != lbl:
                 when strict
    -        error_propagate(errp, err);
             ... when != err
    (
             return;
    |
             return c2;
    |
             return false;
    |
             return var;
    )
         }

    @depends on rule1 || rule2@
    identifier err;
    @@
    -    Error *err = NULL;
         ... when != err

Not exactly elegant, I'm afraid.

The "when != lbl:" is necessary to avoid transforming

         if (fun(args, &err)) {
             goto out
         }
         ...
     out:
         error_propagate(errp, err);

even though other paths to label out still need the error_propagate().
For an actual example, see sclp_realize().

Without the "when strict", Coccinelle transforms vfio_msix_setup(),
incorrectly.  I don't know what exactly "when strict" does, only that
it helps here.

The match of return is narrower than what I want, but I can't figure
out how to express "return where the operand doesn't use @err".  For
an example where it's too narrow, see vfio_intx_enable().

Silently fails to convert hw/arm/armsse.c, because Coccinelle gets
confused by ARMSSE being used both as typedef and function-like macro
there.  Converted manually.

Line breaks tidied up manually.  One nested declaration of @local_err
deleted manually.  Preexisting unwanted blank line dropped in
hw/riscv/sifive_e.c.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20200707160613.848843-35-armbru@redhat.com>
2020-07-10 15:18:08 +02:00
Markus Armbruster
4d21fcd524 qom: Don't handle impossible object_property_get_link() failure
Don't handle object_property_get_link() failure that can't happen
unless the programmer screwed up, pass &error_abort.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200707160613.848843-25-armbru@redhat.com>
2020-07-10 15:18:08 +02:00
Markus Armbruster
62a35aaa31 qapi: Use returned bool to check for failure, Coccinelle part
The previous commit enables conversion of

    visit_foo(..., &err);
    if (err) {
        ...
    }

to

    if (!visit_foo(..., errp)) {
        ...
    }

for visitor functions that now return true / false on success / error.
Coccinelle script:

    @@
    identifier fun =~ "check_list|input_type_enum|lv_start_struct|lv_type_bool|lv_type_int64|lv_type_str|lv_type_uint64|output_type_enum|parse_type_bool|parse_type_int64|parse_type_null|parse_type_number|parse_type_size|parse_type_str|parse_type_uint64|print_type_bool|print_type_int64|print_type_null|print_type_number|print_type_size|print_type_str|print_type_uint64|qapi_clone_start_alternate|qapi_clone_start_list|qapi_clone_start_struct|qapi_clone_type_bool|qapi_clone_type_int64|qapi_clone_type_null|qapi_clone_type_number|qapi_clone_type_str|qapi_clone_type_uint64|qapi_dealloc_start_list|qapi_dealloc_start_struct|qapi_dealloc_type_anything|qapi_dealloc_type_bool|qapi_dealloc_type_int64|qapi_dealloc_type_null|qapi_dealloc_type_number|qapi_dealloc_type_str|qapi_dealloc_type_uint64|qobject_input_check_list|qobject_input_check_struct|qobject_input_start_alternate|qobject_input_start_list|qobject_input_start_struct|qobject_input_type_any|qobject_input_type_bool|qobject_input_type_bool_keyval|qobject_input_type_int64|qobject_input_type_int64_keyval|qobject_input_type_null|qobject_input_type_number|qobject_input_type_number_keyval|qobject_input_type_size_keyval|qobject_input_type_str|qobject_input_type_str_keyval|qobject_input_type_uint64|qobject_input_type_uint64_keyval|qobject_output_start_list|qobject_output_start_struct|qobject_output_type_any|qobject_output_type_bool|qobject_output_type_int64|qobject_output_type_null|qobject_output_type_number|qobject_output_type_str|qobject_output_type_uint64|start_list|visit_check_list|visit_check_struct|visit_start_alternate|visit_start_list|visit_start_struct|visit_type_.*";
    expression list args;
    typedef Error;
    Error *err;
    @@
    -    fun(args, &err);
    -    if (err)
    +    if (!fun(args, &err))
         {
             ...
         }

A few line breaks tidied up manually.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20200707160613.848843-19-armbru@redhat.com>
2020-07-10 15:18:08 +02:00
Peter Maydell
a0a8cf78e0 hw/gpio/zaurus.c: Use LOG_GUEST_ERROR for bad guest register accesses
Instead of logging guest accesses to invalid register offsets in this
device using zaurus_printf() (which just prints to stderr), use the
usual qemu_log_mask(LOG_GUEST_ERROR,...).

Since this was the only use of the zaurus_printf() macro outside
spitz.c, we can move the definition of that macro from sharpsl.h
to spitz.c.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20200628142429.17111-14-peter.maydell@linaro.org
2020-07-03 16:59:45 +01:00
Philippe Mathieu-Daudé
3b34ee6780 hw/unicore32/puv3: Use qemu_log_mask(ERROR) instead of debug printf()
Replace some debug printf() calls by qemu_log_mask(LOG_GUEST_ERROR).

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20200524164503.11944-1-f4bug@amsat.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-06-09 19:01:56 +02:00
Geert Uytterhoeven
faf58e5369 ARM: PL061: Introduce N_GPIOS
Add a definition for the number of GPIO lines controlled by a PL061
instance, and use it instead of the hardcoded magic value 8.

Suggested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20200519085143.1376-1-geert+renesas@glider.be
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-05-21 22:05:27 +01:00
Markus Armbruster
d2623129a7 qom: Drop parameter @errp of object_property_add() & friends
The only way object_property_add() can fail is when a property with
the same name already exists.  Since our property names are all
hardcoded, failure is a programming error, and the appropriate way to
handle it is passing &error_abort.

Same for its variants, except for object_property_add_child(), which
additionally fails when the child already has a parent.  Parentage is
also under program control, so this is a programming error, too.

We have a bit over 500 callers.  Almost half of them pass
&error_abort, slightly fewer ignore errors, one test case handles
errors, and the remaining few callers pass them to their own callers.

The previous few commits demonstrated once again that ignoring
programming errors is a bad idea.

Of the few ones that pass on errors, several violate the Error API.
The Error ** argument must be NULL, &error_abort, &error_fatal, or a
pointer to a variable containing NULL.  Passing an argument of the
latter kind twice without clearing it in between is wrong: if the
first call sets an error, it no longer points to NULL for the second
call.  ich9_pm_add_properties(), sparc32_ledma_realize(),
sparc32_dma_realize(), xilinx_axidma_realize(), xilinx_enet_realize()
are wrong that way.

When the one appropriate choice of argument is &error_abort, letting
users pick the argument is a bad idea.

Drop parameter @errp and assert the preconditions instead.

There's one exception to "duplicate property name is a programming
error": the way object_property_add() implements the magic (and
undocumented) "automatic arrayification".  Don't drop @errp there.
Instead, rename object_property_add() to object_property_try_add(),
and add the obvious wrapper object_property_add().

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20200505152926.18877-15-armbru@redhat.com>
[Two semantic rebase conflicts resolved]
2020-05-15 07:07:58 +02:00
Philippe Mathieu-Daudé
6ae1a5a377 hw/gpio/aspeed_gpio: Remove dead assignment
Fix warning reported by Clang static code analyzer:

  hw/gpio/aspeed_gpio.c:717:18: warning: Value stored to 'g_idx' during its initialization is never read
      int set_idx, g_idx = *group_idx;
                   ^~~~~   ~~~~~~~~~~

Reported-by: Clang Static Analyzer
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200422133152.16770-8-philmd@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-05-04 14:43:24 +02:00
Peter Maydell
c88311f272 hw/gpio/aspeed_gpio.c: Don't directly include assert.h
Remove a direct include of assert.h -- this is already
provided by qemu/osdep.h, and it breaks our rule that the
first include must always be osdep.h.

In particular we must get the assert() macro via osdep.h
to avoid compile failures on mingw (see the comment in
osdep.h where we redefine assert() for that platform).

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-id: 20200403124712.24826-1-peter.maydell@linaro.org
2020-04-03 19:24:53 +01:00
Thomas Huth
3ab5a6ece5 hw/*/Makefile.objs: Move many .o files to common-objs
We have many files that apparently do not depend on the target CPU
configuration, i.e. which can be put into common-obj-y instead of
obj-y. This way, the code can be shared for example between
qemu-system-arm and qemu-system-aarch64, or the various big and
little endian variants like qemu-system-sh4 and qemu-system-sh4eb,
so that we do not have to compile the code multiple times anymore.

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20200130133841.10779-1-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-02-04 09:00:57 +01:00
Marc-André Lureau
4f67d30b5e qdev: set properties with device_class_set_props()
The following patch will need to handle properties registration during
class_init time. Let's use a device_class_set_props() setter.

spatch --macro-file scripts/cocci-macro-file.h  --sp-file
./scripts/coccinelle/qdev-set-props.cocci --keep-comments --in-place
--dir .

@@
typedef DeviceClass;
DeviceClass *d;
expression val;
@@
- d->props = val
+ device_class_set_props(d, val)

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20200110153039.1379601-20-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-01-24 20:59:15 +01:00
Marc-André Lureau
ba2aba8370 omap-gpio: remove PROP_PTR
Since clocks are not QOM objects, replace PROP_PTR of clocks with
setters methods.

Move/adapt the existing TODO comment about a clock framework.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2020-01-07 17:24:29 +04:00
PanNengyuan
15cea92d9e gpio: fix memory leak in aspeed_gpio_init()
Address Sanitizer shows memory leak in hw/gpio/aspeed_gpio.c:875

Reported-by: Euler Robot <euler.robot@huawei.com>
Signed-off-by: PanNengyuan <pannengyuan@huawei.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-id: 20191119141211.25716-16-clg@kaod.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-12-16 10:46:34 +00:00
Cédric Le Goater
7811ce8185 hw/gpio: Fix property accessors of the AST2600 GPIO 1.8V model
The property names of AST2600 GPIO 1.8V model are one character bigger
than the names of the other ASPEED GPIO model. Increase the string
buffer size by one and be more strict on the expected pattern of the
property name.

This fixes the QOM test of the ast2600-evb machine under :

  Apple LLVM version 10.0.0 (clang-1000.10.44.4)
  Target: x86_64-apple-darwin17.7.0
  Thread model: posix
  InstalledDir: /Library/Developer/CommandLineTools/usr/bin

Cc: Rashmica Gupta <rashmica.g@gmail.com>
Fixes: 36d737ee82 ("hw/gpio: Add in AST2600 specific implementation")
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-id: 20191023130455.1347-2-clg@kaod.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-10-24 17:16:27 +01:00
Rashmica Gupta
36d737ee82 hw/gpio: Add in AST2600 specific implementation
The AST2600 has the same sets of 3.6v gpios as the AST2400 plus an
addtional two sets of 1.8V gpios.

Signed-off-by: Rashmica Gupta <rashmica.g@gmail.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Acked-by: Joel Stanley <joel@jms.id.au>
Message-id: 20190925143248.10000-15-clg@kaod.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-10-15 18:09:04 +01:00
Rashmica Gupta
4b7f956862 hw/gpio: Add basic Aspeed GPIO model for AST2400 and AST2500
GPIO pins are arranged in groups of 8 pins labeled A,B,..,Y,Z,AA,AB,AC.
(Note that the ast2400 controller only goes up to group AB).
A set has four groups (except set AC which only has one) and is
referred to by the groups it is composed of (eg ABCD,EFGH,...,YZAAAB).
Each set is accessed and controlled by a bank of 14 registers.

These registers operate on a per pin level where each bit in the register
corresponds to a pin, except for the command source registers. The command
source registers operate on a per group level where bits 24, 16, 8 and 0
correspond to each group in the set.

 eg. registers for set ABCD:
 |D7...D0|C7...C0|B7...B0|A7...A0| <- GPIOs
 |31...24|23...16|15....8|7.....0| <- bit position

Note that there are a couple of groups that only have 4 pins.

There are two ways that this model deviates from the behaviour of the
actual controller:
(1) The only control source driving the GPIO pins in the model is the ARM
model (as there currently aren't models for the LPC or Coprocessor).

(2) None of the registers in the model are reset tolerant (needs
integration with the watchdog).

Signed-off-by: Rashmica Gupta <rashmica.g@gmail.com>
Tested-by: Andrew Jeffery <andrew@aj.id.au>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-id: 20190904070506.1052-2-clg@kaod.org
[clg: fixed missing header files
      made use of HWADDR_PRIx to fix compilation on windows ]
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-09-13 16:05:00 +01:00
Markus Armbruster
a27bd6c779 Include hw/qdev-properties.h less
In my "build everything" tree, changing hw/qdev-properties.h triggers
a recompile of some 2700 out of 6600 objects (not counting tests and
objects that don't depend on qemu/osdep.h).

Many places including hw/qdev-properties.h (directly or via hw/qdev.h)
actually need only hw/qdev-core.h.  Include hw/qdev-core.h there
instead.

hw/qdev.h is actually pointless: all it does is include hw/qdev-core.h
and hw/qdev-properties.h, which in turn includes hw/qdev-core.h.
Replace the remaining uses of hw/qdev.h by hw/qdev-properties.h.

While there, delete a few superfluous inclusions of hw/qdev-core.h.

Touching hw/qdev-properties.h now recompiles some 1200 objects.

Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: "Daniel P. Berrangé" <berrange@redhat.com>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20190812052359.30071-22-armbru@redhat.com>
2019-08-16 13:31:53 +02:00