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2020-06-15qdev: Convert uses of qdev_create() with CoccinelleMarkus Armbruster
This is the transformation explained in the commit before previous. Takes care of just one pattern that needs conversion. More to come in this series. Coccinelle script: @ depends on !(file in "hw/arm/highbank.c")@ expression bus, type_name, dev, expr; @@ - dev = qdev_create(bus, type_name); + dev = qdev_new(type_name); ... when != dev = expr - qdev_init_nofail(dev); + qdev_realize_and_unref(dev, bus, &error_fatal); @@ expression bus, type_name, dev, expr; identifier DOWN; @@ - dev = DOWN(qdev_create(bus, type_name)); + dev = DOWN(qdev_new(type_name)); ... when != dev = expr - qdev_init_nofail(DEVICE(dev)); + qdev_realize_and_unref(DEVICE(dev), bus, &error_fatal); @@ expression bus, type_name, expr; identifier dev; @@ - DeviceState *dev = qdev_create(bus, type_name); + DeviceState *dev = qdev_new(type_name); ... when != dev = expr - qdev_init_nofail(dev); + qdev_realize_and_unref(dev, bus, &error_fatal); @@ expression bus, type_name, dev, expr, errp; symbol true; @@ - dev = qdev_create(bus, type_name); + dev = qdev_new(type_name); ... when != dev = expr - object_property_set_bool(OBJECT(dev), true, "realized", errp); + qdev_realize_and_unref(dev, bus, errp); @@ expression bus, type_name, expr, errp; identifier dev; symbol true; @@ - DeviceState *dev = qdev_create(bus, type_name); + DeviceState *dev = qdev_new(type_name); ... when != dev = expr - object_property_set_bool(OBJECT(dev), true, "realized", errp); + qdev_realize_and_unref(dev, bus, errp); The first rule exempts hw/arm/highbank.c, because it matches along two control flow paths there, with different @type_name. Covered by the next commit's manual conversions. Missing #include "qapi/error.h" added manually. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <20200610053247.1583243-10-armbru@redhat.com> [Conflicts in hw/misc/empty_slot.c and hw/sparc/leon3.c resolved]
2020-05-15qom: Drop parameter @errp of object_property_add() & friendsMarkus Armbruster
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]
2020-02-19arm/mcimx6ul-evk: use memdev for RAMIgor Mammedov
memory_region_allocate_system_memory() API is going away, so replace it with memdev allocated MemoryRegion. The later is initialized by generic code, so board only needs to opt in to memdev scheme by providing MachineClass::default_ram_id and using MachineState::ram instead of manually initializing RAM memory region. PS: remove no longer needed MCIMX6ULEVK Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Andrew Jones <drjones@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20200219160953.13771-21-imammedo@redhat.com>
2019-09-03hw/arm: simplify arm_load_dtbTao Xu
In struct arm_boot_info, kernel_filename, initrd_filename and kernel_cmdline are copied from from MachineState. This patch add MachineState as a parameter into arm_load_dtb() and move the copy chunk of kernel_filename, initrd_filename and kernel_cmdline into arm_load_kernel(). Reviewed-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Liu Jingqi <jingqi.liu@intel.com> Suggested-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Tao Xu <tao3.xu@intel.com> Message-Id: <20190809065731.9097-2-tao3.xu@intel.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Acked-by: Andrew Jeffery <andrew@aj.id.au> Acked-by: Cédric Le Goater <clg@kaod.org> [ehabkost: include hw/boards.h again to fix build failures] Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2019-08-16Include hw/qdev-properties.h lessMarkus Armbruster
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>
2019-07-22hw/arm/fsl-imx6ul.c: Remove dead SMP-related codePeter Maydell
The i.MX6UL always has a single Cortex-A7 CPU (we set FSL_IMX6UL_NUM_CPUS to 1 in line with this). This means that all the code in fsl-imx6ul.c to handle multiple CPUs is dead code, and Coverity is now complaining that it is unreachable (CID 1403008, 1403011). Remove the unreachable code and the only-executes-once loops, and replace the single-entry cpu[] array in the FSLIMX6ULState with a simple cpu member. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20190712115030.26895-1-peter.maydell@linaro.org
2019-07-05hw/arm: Replace global smp variables with machine smp propertiesLike Xu
The global smp variables in arm are replaced with smp machine properties. The init_cpus() and *_create_rpu() are refactored to pass MachineState. A local variable of the same name would be introduced in the declaration phase if it's used widely in the context OR replace it on the spot if it's only used once. No semantic changes. Signed-off-by: Like Xu <like.xu@linux.intel.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-Id: <20190518205428.90532-9-like.xu@linux.intel.com> [ehabkost: Fix hw/arm/sbsa-ref.c and hw/arm/aspeed.c] Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2019-06-12Include qemu-common.h exactly where neededMarkus Armbruster
No header includes qemu-common.h after this commit, as prescribed by qemu-common.h's file comment. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20190523143508.25387-5-armbru@redhat.com> [Rebased with conflicts resolved automatically, except for include/hw/arm/xlnx-zynqmp.h hw/arm/nrf51_soc.c hw/arm/msf2-soc.c block/qcow2-refcount.c block/qcow2-cluster.c block/qcow2-cache.c target/arm/cpu.h target/lm32/cpu.h target/m68k/cpu.h target/mips/cpu.h target/moxie/cpu.h target/nios2/cpu.h target/openrisc/cpu.h target/riscv/cpu.h target/tilegx/cpu.h target/tricore/cpu.h target/unicore32/cpu.h target/xtensa/cpu.h; bsd-user/main.c and net/tap-bsd.c fixed up]
2018-08-16i.MX6UL: Add Freescale i.MX6 UltraLite 14x14 EVK BoardJean-Christophe Dubois
Tested by booting linux 4.18 (built using imx_v6_v7_defconfig) on the emulated board. Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net> Message-id: 3f8eb4300206634dc01e04b12f65b73c0ad2f955.1532984236.git.jcd@tribudubois.net Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>