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2023-03-01i386/xen: add monitor commands to test event injectionJoao Martins
Specifically add listing, injection of event channels. Signed-off-by: Joao Martins <joao.m.martins@oracle.com> Signed-off-by: David Woodhouse <dwmw@amazon.co.uk> Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Paul Durrant <paul@xen.org>
2023-03-01hw/xen: Implement EVTCHNOP_resetDavid Woodhouse
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk> Reviewed-by: Paul Durrant <paul@xen.org>
2023-03-01hw/xen: Implement EVTCHNOP_bind_vcpuDavid Woodhouse
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk> Reviewed-by: Paul Durrant <paul@xen.org>
2023-03-01hw/xen: Implement EVTCHNOP_bind_interdomainDavid Woodhouse
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk> Reviewed-by: Paul Durrant <paul@xen.org>
2023-03-01hw/xen: Implement EVTCHNOP_alloc_unboundDavid Woodhouse
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk> Reviewed-by: Paul Durrant <paul@xen.org>
2023-03-01hw/xen: Implement EVTCHNOP_sendDavid Woodhouse
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk> Reviewed-by: Paul Durrant <paul@xen.org>
2023-03-01hw/xen: Implement EVTCHNOP_bind_ipiDavid Woodhouse
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk> Reviewed-by: Paul Durrant <paul@xen.org>
2023-03-01hw/xen: Implement EVTCHNOP_bind_virqDavid Woodhouse
Add the array of virq ports to each vCPU so that we can deliver timers, debug ports, etc. Global virqs are allocated against vCPU 0 initially, but can be migrated to other vCPUs (when we implement that). The kernel needs to know about VIRQ_TIMER in order to accelerate timers, so tell it via KVM_XEN_VCPU_ATTR_TYPE_TIMER. Also save/restore the value of the singleshot timer across migration, as the kernel will handle the hypercalls automatically now. Signed-off-by: David Woodhouse <dwmw@amazon.co.uk> Reviewed-by: Paul Durrant <paul@xen.org>
2023-03-01hw/xen: Implement EVTCHNOP_unmaskDavid Woodhouse
This finally comes with a mechanism for actually injecting events into the guest vCPU, with all the atomic-test-and-set that's involved in setting the bit in the shinfo, then the index in the vcpu_info, and injecting either the lapic vector as MSI, or letting KVM inject the bare vector. Signed-off-by: David Woodhouse <dwmw@amazon.co.uk> Reviewed-by: Paul Durrant <paul@xen.org>
2023-03-01hw/xen: Implement EVTCHNOP_closeDavid Woodhouse
It calls an internal close_port() helper which will also be used from EVTCHNOP_reset and will actually do the work to disconnect/unbind a port once any of that is actually implemented in the first place. That in turn calls a free_port() internal function which will be in error paths after allocation. Signed-off-by: David Woodhouse <dwmw@amazon.co.uk> Reviewed-by: Paul Durrant <paul@xen.org>
2023-03-01hw/xen: Implement EVTCHNOP_statusDavid Woodhouse
This adds the basic structure for maintaining the port table and reporting the status of ports therein. Signed-off-by: David Woodhouse <dwmw@amazon.co.uk> Reviewed-by: Paul Durrant <paul@xen.org>
2023-03-01hw/xen: Add xen_evtchn device for event channel emulationDavid Woodhouse
Include basic support for setting HVM_PARAM_CALLBACK_IRQ to the global vector method HVM_PARAM_CALLBACK_TYPE_VECTOR, which is handled in-kernel by raising the vector whenever the vCPU's vcpu_info->evtchn_upcall_pending flag is set. Signed-off-by: David Woodhouse <dwmw@amazon.co.uk> Reviewed-by: Paul Durrant <paul@xen.org>
2023-03-01i386/xen: manage and save/restore Xen guest long_mode settingDavid Woodhouse
Xen will "latch" the guest's 32-bit or 64-bit ("long mode") setting when the guest writes the MSR to fill in the hypercall page, or when the guest sets the event channel callback in HVM_PARAM_CALLBACK_IRQ. KVM handles the former and sets the kernel's long_mode flag accordingly. The latter will be handled in userspace. Keep them in sync by noticing when a hypercall is made in a mode that doesn't match qemu's idea of the guest mode, and resyncing from the kernel. Do that same sync right before serialization too, in case the guest has set the hypercall page but hasn't yet made a system call. Signed-off-by: David Woodhouse <dwmw@amazon.co.uk> Reviewed-by: Paul Durrant <paul@xen.org>
2023-03-01i386/xen: add pc_machine_kvm_type to initialize XEN_EMULATE modeDavid Woodhouse
The xen_overlay device (and later similar devices for event channels and grant tables) need to be instantiated. Do this from a kvm_type method on the PC machine derivatives, since KVM is only way to support Xen emulation for now. Signed-off-by: David Woodhouse <dwmw@amazon.co.uk> Reviewed-by: Paul Durrant <paul@xen.org>
2023-03-01hw/xen: Add xen_overlay device for emulating shared xenheap pagesDavid Woodhouse
For the shared info page and for grant tables, Xen shares its own pages from the "Xen heap" to the guest. The guest requests that a given page from a certain address space (XENMAPSPACE_shared_info, etc.) be mapped to a given GPA using the XENMEM_add_to_physmap hypercall. To support that in qemu when *emulating* Xen, create a memory region (migratable) and allow it to be mapped as an overlay when requested. Xen theoretically allows the same page to be mapped multiple times into the guest, but that's hard to track and reinstate over migration, so we automatically *unmap* any previous mapping when creating a new one. This approach has been used in production with.... a non-trivial number of guests expecting true Xen, without any problems yet being noticed. This adds just the shared info page for now. The grant tables will be a larger region, and will need to be overlaid one page at a time. I think that means I need to create separate aliases for each page of the overall grant_frames region, so that they can be mapped individually. Signed-off-by: David Woodhouse <dwmw@amazon.co.uk> Reviewed-by: Paul Durrant <paul@xen.org>
2023-03-01xen-platform: allow its creation with XEN_EMULATE modeJoao Martins
The only thing we need to fix to make this build is the PIO hack which sets the BIOS memory areas to R/W v.s. R/O. Theoretically we could hook that up to the PAM registers on the emulated PIIX, but in practice nobody cares, so just leave it doing nothing. Now it builds without actual Xen, move it to CONFIG_XEN_BUS to include it in the KVM-only builds. Signed-off-by: Joao Martins <joao.m.martins@oracle.com> Signed-off-by: David Woodhouse <dwmw@amazon.co.uk> Reviewed-by: Paul Durrant <paul@xen.org>
2023-03-01xen-platform: exclude vfio-pci from the PCI platform unplugJoao Martins
Such that PCI passthrough devices work for Xen emulated guests. Signed-off-by: Joao Martins <joao.m.martins@oracle.com> Signed-off-by: David Woodhouse <dwmw@amazon.co.uk> Reviewed-by: Paul Durrant <paul@xen.org>
2023-03-01xen: add CONFIG_XEN_BUS and CONFIG_XEN_EMU options for Xen emulationDavid Woodhouse
The XEN_EMU option will cover core Xen support in target/, which exists only for x86 with KVM today but could theoretically also be implemented on Arm/Aarch64 and with TCG or other accelerators (if anyone wants to run the gauntlet of struct layout compatibility, errno mapping, and the rest of that fui). It will also cover the support for architecture-independent grant table and event channel support which will be added in hw/i386/kvm/ (on the basis that the non-KVM support is very theoretical and making it not use KVM directly seems like gratuitous overengineering at this point). The XEN_BUS option is for the xenfv platform support, which will now be used both by XEN_EMU and by real Xen. The XEN option remains dependent on the Xen runtime libraries, and covers support for real Xen. Some code which currently resides under CONFIG_XEN will be moving to CONFIG_XEN_BUS over time as the direct dependencies on Xen runtime libraries are eliminated. The Xen PCI platform device will also reside under CONFIG_XEN_BUS. Signed-off-by: David Woodhouse <dwmw@amazon.co.uk> Reviewed-by: Paul Durrant <paul@xen.org>
2023-02-27hw/ide/via: Replace magic 2 value by ARRAY_SIZE / MAX_IDE_DEVSPhilippe Mathieu-Daudé
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Acked-by: John Snow <jsnow@redhat.com> Message-Id: <20210511041848.2743312-5-f4bug@amsat.org> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2023-02-27hw/ide/piix: Refactor pci_piix_init_ports as pci_piix_init_bus per busPhilippe Mathieu-Daudé
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-Id: <20230215112712.23110-21-philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2023-02-27hw/ide/piix: Pass Error* to pci_piix_init_ports() for better error msgPhilippe Mathieu-Daudé
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-Id: <20230215112712.23110-20-philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2023-02-27hw/ide/piix: Remove unused includesPhilippe Mathieu-Daudé
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-Id: <20230215112712.23110-19-philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2023-02-27hw/ide/pci: Unexport bmdma_active_if()Bernhard Beschow
The function is only used inside ide/pci.c, so doesn't need to be exported. Signed-off-by: Bernhard Beschow <shentey@gmail.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-Id: <20230215112712.23110-18-philmd@linaro.org>
2023-02-27hw/ide/ioport: Remove unnecessary includesPhilippe Mathieu-Daudé
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-Id: <20230215112712.23110-17-philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2023-02-27hw/ide: Declare ide_get_[geometry/bios_chs_trans] in 'hw/ide/internal.h'Philippe Mathieu-Daudé
ide_get_geometry() and ide_get_bios_chs_trans() are only used by the TYPE_PC_MACHINE. "hw/ide.h" is a mixed bag of lost IDE declarations. In order to remove this (almost) pointless header soon, move these declarations to "hw/ide/internal.h". Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20230220091358.17038-18-philmd@linaro.org>
2023-02-27hw/ide: Rename idebus_active_if() -> ide_bus_active_if()Philippe Mathieu-Daudé
idebus_active_if() operates on a IDEBus; rename it as ide_bus_active_if() to emphasize its first argument is a IDEBus. Mechanical change using: $ sed -i -e 's/idebus_active_if/ide_bus_active_if/g' \ $(git grep -l idebus_active_if) Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-Id: <20230215112712.23110-16-philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2023-02-27hw/ide: Rename ide_init2() -> ide_bus_init_output_irq()Philippe Mathieu-Daudé
ide_init2() initializes a IDEBus, and set its output IRQ. To emphasize this, rename it as ide_bus_init_output_irq(). Mechanical change using: $ sed -i -e 's/ide_init2/ide_bus_init_output_irq/g' \ $(git grep -l ide_init2) Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-Id: <20230215112712.23110-15-philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2023-02-27hw/ide: Rename ide_exec_cmd() -> ide_bus_exec_cmd()Philippe Mathieu-Daudé
ide_exec_cmd() operates on a IDEBus; rename it as ide_bus_exec_cmd() to emphasize its first argument is a IDEBus. Mechanical change using: $ sed -i -e 's/ide_exec_cmd/ide_bus_exec_cmd/g' \ $(git grep -wl ide_exec_cmd) Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-Id: <20230215112712.23110-14-philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2023-02-27hw/ide: Rename ide_register_restart_cb -> ide_bus_register_restart_cbPhilippe Mathieu-Daudé
ide_register_restart_cb() operates on a IDEBus; rename it as ide_bus_register_restart_cb() to emphasize its first argument is a IDEBus. Mechanical change using: $ sed -i -e 's/ide_register_restart_cb/ide_bus_register_restart_cb/g' \ $(git grep -l ide_register_restart_cb) Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-Id: <20230215112712.23110-13-philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2023-02-27hw/ide: Rename ide_create_drive() -> ide_bus_create_drive()Philippe Mathieu-Daudé
ide_create_drive() operates on a IDEBus; rename it as ide_bus_create_drive() to emphasize its first argument is a IDEBus. Mechanical change using: $ sed -i -e 's/ide_create_drive/ide_bus_create_drive/g' \ $(git grep -wl ide_create_drive) Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-Id: <20230215112712.23110-12-philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2023-02-27hw/ide: Rename ide_set_irq() -> ide_bus_set_irq()Philippe Mathieu-Daudé
ide_set_irq() operates on a IDEBus; rename it as ide_bus_set_irq() to emphasize its first argument is a IDEBus. Mechanical change using: $ sed -i -e 's/ide_set_irq/ide_bus_set_irq/g' \ $(git grep -l ide_set_irq) Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-Id: <20230215112712.23110-11-philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2023-02-27hw/ide: Un-inline ide_set_irq()Philippe Mathieu-Daudé
Only include "hw/irq.h" where appropriate. Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-Id: <20230215112712.23110-10-philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2023-02-27hw/ide/atapi: Restrict 'scsi/constants.h' inclusionPhilippe Mathieu-Daudé
Only atapi.c requires the SCSI constants. No need to include it in all files including "hw/ide/internal.h". Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-Id: <20230215112712.23110-7-philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
2023-02-27hw/ide/isa: Remove intermediate ISAIDEState::irq variablePhilippe Mathieu-Daudé
The intermediate ISAIDEState::irq variable just add noise, remove it. Message-Id: <20230215112712.23110-6-philmd@linaro.org> Reviewed-by: Bernhard Beschow <shentey@gmail.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2023-02-27hw/ide/isa: Extract TYPE_ISA_IDE declarations to 'hw/ide/isa.h'Philippe Mathieu-Daudé
"hw/ide.h" is a mixed bag of lost IDE declarations. Extract isa_ide_init() and the TYPE_ISA_IDE QOM declarations to a new "hw/ide/isa.h" header. Rename ISAIDEState::isairq as 'irqnum' to emphasize this is not a qemu_irq object but the number (index) of an ISA IRQ. Message-Id: <20230215112712.23110-5-philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Bernhard Beschow <shentey@gmail.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2023-02-27hw/ide/mmio: Extract TYPE_MMIO_IDE declarations to 'hw/ide/mmio.h'Philippe Mathieu-Daudé
"hw/ide.h" is a mixed bag of lost IDE declarations. Extract mmio_ide_init_drives() and the TYPE_MMIO_IDE QOM declarations to a new "hw/ide/mmio.h" header. Document the SysBus interface. Message-Id: <20230215112712.23110-4-philmd@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2023-02-27hw/ide/mmio: Use CamelCase for MMIO_IDE state namePhilippe Mathieu-Daudé
Following docs/devel/style.rst guidelines, rename MMIOIDEState as IdeMmioState. Having the structure name and its typedef named equally, we can manually convert from the old DECLARE_INSTANCE_CHECKER() macro to the more recent OBJECT_DECLARE_SIMPLE_TYPE(). Note, due to that name mismatch, this macro wasn't automatically converted during commit 8063396bf3 ("Use OBJECT_DECLARE_SIMPLE_TYPE when possible"). Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20230220091358.17038-3-philmd@linaro.org>
2023-02-27hw/ide/ahci: Trace ncq write command as write instead of readFiona Ebner
Fixes: e4baa9f00b ("AHCI: Replace DPRINTF with trace-events") Signed-off-by: Fiona Ebner <f.ebner@proxmox.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: John Snow <jsnow@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Message-Id: <20230217103130.42077-1-f.ebner@proxmox.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2023-02-27hw/i386/xen: Remove unused 'hw/ide.h' include from headerPhilippe Mathieu-Daudé
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Acked-by: Paul Durrant <paul@xen.org> Message-Id: <20230220092707.22584-1-philmd@linaro.org>
2023-02-27hw/ppc/sam460ex: Correctly set MAL propertiesPhilippe Mathieu-Daudé
MAL properties are declared as uint8_t: static Property ppc4xx_mal_properties[] = { DEFINE_PROP_UINT8("txc-num", Ppc4xxMalState, txcnum, 0), DEFINE_PROP_UINT8("rxc-num", Ppc4xxMalState, rxcnum, 0), DEFINE_PROP_END_OF_LIST(), }; Correct the API use by setting the property using qdev_prop_set_uint8(). No behavioral change. Fixes: da116a8aab ("ppc/ppc405: QOM'ify MAL") Reviewed-by: BALATON Zoltan <balaton@eik.bme.hu> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-Id: <20230203145536.17585-7-philmd@linaro.org>
2023-02-27hw/display/sm501: Add fallbacks to pixman routinesBALATON Zoltan
Pixman may return false if it does not have a suitable implementation. Add fallbacks to handle such cases. Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu> Reported-by: Rene Engel <ReneEngel80@emailn.de> Tested-by: Rene Engel <ReneEngel80@emailn.de> Message-Id: <20ed9442a0146238254ccc340c0d1efa226c6356.1677445307.git.balaton@eik.bme.hu> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2023-02-27hw/display/sm501: Implement more 2D raster operationsBALATON Zoltan
Add simple implementation for two raster operations that are used by AmigaOS which fixes graphics problems in some programs using these. Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu> Reported-by: Rene Engel <ReneEngel80@emailn.de> Tested-by: Rene Engel <ReneEngel80@emailn.de> Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com> Message-Id: <17ef3c59dc7868f75034e9ebe21e2999c8f718d4.1677445307.git.balaton@eik.bme.hu> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2023-02-27hw/display/sm501: Alias 'dma-offset' QOM property in chipset objectPhilippe Mathieu-Daudé
No need to use an intermediate 'dma-offset' property in the chipset object. Alias the property, so when the machine (here r2d-plus) sets the value on the chipset, it is propagated to the OHCI object. Note we can rename the chipset 'base' property as 'dma-offset' since the object is a non-user-creatable sysbus type. Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: BALATON Zoltan <balaton@eik.bme.hu> Message-Id: <20230203145536.17585-12-philmd@linaro.org>
2023-02-27hw/display/sm501: Embed OHCI QOM child in chipsetPhilippe Mathieu-Daudé
Note this device doesn't implement unrealize(). Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: BALATON Zoltan <balaton@eik.bme.hu> Message-Id: <20230203145536.17585-11-philmd@linaro.org>
2023-02-27hw/usb/xhci-nec: Replace container_of() by NEC_XHCI() QOM cast macroPhilippe Mathieu-Daudé
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20230220150515.32549-8-philmd@linaro.org>
2023-02-27hw/usb/xhci-nec: Declare QOM macros for NEC_XHCIPhilippe Mathieu-Daudé
NEC_XHCI is a QOM object type. Declare its macros / typedefs using OBJECT_DECLARE_SIMPLE_TYPE(). Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20230220150515.32549-7-philmd@linaro.org>
2023-02-27hw/usb/uhci: Replace container_of() by UHCI_GET_CLASS() QOM macroPhilippe Mathieu-Daudé
By using the QOM UHCI_GET_CLASS() cast macro we don't to use the intermediate PCIDeviceClass variable. Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20230220150515.32549-6-philmd@linaro.org>
2023-02-27hw/usb/uhci: Declare QOM macros using OBJECT_DECLARE_TYPE()Philippe Mathieu-Daudé
The automatic conversion done during commit a489d1951c ("Use OBJECT_DECLARE_TYPE when possible") missed this model because the typedefs are in a different file unit (hcd-uhci.c) than where the DECLARE_INSTANCE_CHECKER() is (hcd-uhci.h). Manually convert to OBJECT_DECLARE_TYPE(). Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20230220150515.32549-5-philmd@linaro.org>
2023-02-27hw/usb/ohci: Fix typoPhilippe Mathieu-Daudé
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-Id: <03599fd4db313ac4f651cceb43340109ad6a14b8.1676916640.git.balaton@eik.bme.hu>
2023-02-27hw/usb/ohci: Add trace points for register accessBALATON Zoltan
To help debugging add trace points that print values read from or written to the device's registers. Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu> Message-Id: <1bb4985e5dfc1df5a290e77f76fd827ae3592ab7.1676916640.git.balaton@eik.bme.hu> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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