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These functions are no longer used after making the generators
object oriented.
Signed-off-by: Taylor Simpson <ltaylorsimpson@gmail.com>
Reviewed-by: Brian Cain <bcain@quicinc.com>
Message-Id: <20231210220712.491494-10-ltaylorsimpson@gmail.com>
Signed-off-by: Brian Cain <bcain@quicinc.com>
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This is the only remaining use of the is_written function. We will
remove it in the subsequent commit.
Signed-off-by: Taylor Simpson <ltaylorsimpson@gmail.com>
Reviewed-by: Brian Cain <bcain@quicinc.com>
Message-Id: <20231210220712.491494-9-ltaylorsimpson@gmail.com>
Signed-off-by: Brian Cain <bcain@quicinc.com>
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This patch conflicts with
https://lists.gnu.org/archive/html/qemu-devel/2023-11/msg00729.html
If that series goes in first, we'll rework this patch and vice versa.
Signed-off-by: Taylor Simpson <ltaylorsimpson@gmail.com>
Reviewed-by: Brian Cain <bcain@quicinc.com>
Message-Id: <20231210220712.491494-8-ltaylorsimpson@gmail.com>
Signed-off-by: Brian Cain <bcain@quicinc.com>
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Reviewed-by: Brian Cain <bcain@quicinc.com>
Signed-off-by: Taylor Simpson <ltaylorsimpson@gmail.com>
Message-Id: <20231210220712.491494-7-ltaylorsimpson@gmail.com>
Signed-off-by: Brian Cain <bcain@quicinc.com>
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Signed-off-by: Taylor Simpson <ltaylorsimpson@gmail.com>
Reviewed-by: Brian Cain <bcain@quicinc.com>
Message-Id: <20231210220712.491494-6-ltaylorsimpson@gmail.com>
Signed-off-by: Brian Cain <bcain@quicinc.com>
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Signed-off-by: Taylor Simpson <ltaylorsimpson@gmail.com>
Reviewed-by: Brian Cain <bcain@quicinc.com>
Message-Id: <20231210220712.491494-5-ltaylorsimpson@gmail.com>
Signed-off-by: Brian Cain <bcain@quicinc.com>
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Signed-off-by: Taylor Simpson <ltaylorsimpson@gmail.com>
Reviewed-by: Brian Cain <bcain@quicinc.com>
Message-Id: <20231210220712.491494-4-ltaylorsimpson@gmail.com>
Signed-off-by: Brian Cain <bcain@quicinc.com>
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The generators are generally a bunch of Python if-then-else
statements based on the regtype and regid. Encapsulate regtype/regid
into a class hierarchy. Clients lookup the register and invoke
methods.
This has several advantages for making the code easier to read,
understand, and maintain
- The class name makes it more clear what the operand does
- All the methods for a given type of operand are together
- Don't need hex_common.bad_register
If a regtype/regid is missing, the lookup in hex_common.get_register
will fail
- We can remove the functions in hex_common that use regtype/regid
(e.g., is_read)
This patch creates the class hierarchy in hex_common and converts
gen_tcg_funcs.py. The other scripts will be converted in subsequent
patches in this series.
Signed-off-by: Taylor Simpson <ltaylorsimpson@gmail.com>
Reviewed-by: Brian Cain <bcain@quicinc.com>
Message-Id: <20231210220712.491494-3-ltaylorsimpson@gmail.com>
Signed-off-by: Brian Cain <bcain@quicinc.com>
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Currently, the register number (MuN) for modifier registers is the
modifier register number rather than the index into hex_gpr. This
patch changes MuN to the hex_gpr index, which is consistent with
the handling of control registers.
Note that HELPER(fcircadd) needs the CS register corresponding to the
modifier register specified in the instruction. We create a TCGv
variable "CS" to hold the value to pass to the helper.
Reviewed-by: Brian Cain <bcain@quicinc.com>
Signed-off-by: Taylor Simpson <ltaylorsimpson@gmail.com>
Message-Id: <20231210220712.491494-2-ltaylorsimpson@gmail.com>
Signed-off-by: Brian Cain <bcain@quicinc.com>
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Adding -Werror=shadow=compatible-local causes Hexagon not to build
when idef-parser is off. The "label" variable in CHECK_NOSHUF_PRED
shadows a variable in the surrounding code.
Signed-off-by: Taylor Simpson <ltaylorsimpson@gmail.com>
Reviewed-by: Brian Cain <bcain@quicinc.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20231130183955.54314-1-ltaylorsimpson@gmail.com>
Signed-off-by: Brian Cain <bcain@quicinc.com>
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This update includes support for privileged instructions.
Signed-off-by: Brian Cain <bcain@quicinc.com>
Reviewed-by: Matheus Tavares Bernardino <quic_mathbern@quicinc.com>
Tested-by: Matheus Tavares Bernardino <quic_mathbern@quicinc.com>
Message-Id: <20240114232354.4109231-1-bcain@quicinc.com>
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staging
- Fix s390x ISM reset
- Remove deprecated CLI options -no-hpet, -no-acpi, -async-teardown,
-chroot and -singlestep
- Fix installation of the netbsd VM
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# gpg: Signature made Fri 19 Jan 2024 15:21:49 GMT
# gpg: using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg: issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg: aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg: aka "Thomas Huth <huth@tuxfamily.org>" [full]
# gpg: aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3 EAB9 2ED9 D774 FE70 2DB5
* tag 'pull-request-2024-01-19' of https://gitlab.com/thuth/qemu:
tests/vm/netbsd: Remove missing py311-expat package
cli: Remove deprecated '-singlestep' command line option
hmp: Remove deprecated 'singlestep' command
qapi: Remove deprecated 'singlestep' member of StatusInfo
qemu-options: Remove the deprecated -chroot option
qemu-options: Remove the deprecated -async-teardown option
qemu-options: Remove the deprecated -no-acpi option
qemu-options: Remove the deprecated -no-hpet option
s390x/pci: drive ISM reset from subsystem reset
s390x/pci: refresh fh before disabling aif
s390x/pci: avoid double enable/disable of aif
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Since the pkgsrc-2023Q3 release [*], the py-expat package has been
merged into the base 'python' package:
- Several packages have been folded into base packages. While the
result is simpler, those updating may need to force-remove the
secondary packages, depending on the update method. When doing
make replace, one has to pkg_delete -f the secondary packages.
pkgin handles at least the python packages correctly, removing the
split package when updating python. Specific packages and the
former packages now included:
* cairo: cairo-gobject
* python: py-cElementTree py-curses py-cursespanel py-expat
py-readline py-sqlite3
Remove py311-expat from the package list in order to avoid:
### Installing packages ...
processing remote summary (http://cdn.NetBSD.org/pub/pkgsrc/packages/NetBSD/amd64/9.3/All)...
database for http://cdn.NetBSD.org/pub/pkgsrc/packages/NetBSD/amd64/9.3/All is up-to-date
py311-expat is not available in the repository
...
calculating dependencies.../py311-expat is not available in the repository
pkg_install error log can be found in /var/db/pkgin/pkg_install-err.log
[*] https://mail-index.netbsd.org/netbsd-announce/2024/01/01/msg000360.html
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2109
Tested-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240117140746.23511-1-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
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This option has been deprecated before the 8.1 release,
in commit 12fd0f41d0 ("Document that -singlestep command
line option is deprecated"). Time to drop it.
Inspired-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240117151430.29235-4-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
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This command has been deprecated before the 8.1 release,
in commit e9ccfdd91d ("hmp: Add 'one-insn-per-tb' command
equivalent to 'singlestep'"). Time to drop it.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: "Dr. David Alan Gilbert" <dave@treblig.org>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240117151430.29235-3-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
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This member has been deprecated before the 8.1 release, in commit
34c18203d4 ("qmp: Deprecate 'singlestep' member of StatusInfo").
Time to drop it.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240117151430.29235-2-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
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It's been marked as deprecated since QEMU 8.1, so it should be fine
to remove this now.
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240118103759.130748-5-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
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It's been marked as deprecated since QEMU 8.1 (and was only available
since QEMU 8.0 anyway), so it should be fine to remove this now.
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240118103759.130748-4-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
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It's been marked as deprecated since QEMU 8.0, so it should be fine
to remove this now.
Message-ID: <20240118103759.130748-3-thuth@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Thomas Huth <thuth@redhat.com>
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It's been marked as deprecated since QEMU 8.0, so it should be fine
to remove this now.
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240118103759.130748-2-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
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ISM devices are sensitive to manipulation of the IOMMU, so the ISM device
needs to be reset before the vfio-pci device is reset (triggering a full
UNMAP). In order to ensure this occurs, trigger ISM device resets from
subsystem_reset before triggering the PCI bus reset (which will also
trigger vfio-pci reset). This only needs to be done for ISM devices
which were enabled for use by the guest.
Further, ensure that AIF is disabled as part of the reset event.
Fixes: ef1535901a ("s390x: do a subsystem reset before the unprotect on reboot")
Fixes: 03451953c7 ("s390x/pci: reset ISM passthrough devices on shutdown and system reset")
Reported-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Message-ID: <20240118185151.265329-4-mjrosato@linux.ibm.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
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Typically we refresh the host fh during CLP enable, however it's possible
that the device goes through multiple reset events before the guest
performs another CLP enable. Let's handle this for now by refreshing the
host handle from vfio before disabling aif.
Fixes: 03451953c7 ("s390x/pci: reset ISM passthrough devices on shutdown and system reset")
Reported-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Message-ID: <20240118185151.265329-3-mjrosato@linux.ibm.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
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Use a flag to keep track of whether AIF is currently enabled. This can be
used to avoid enabling/disabling AIF multiple times as well as to determine
whether or not it should be disabled during reset processing.
Fixes: d0bc7091c2 ("s390x/pci: enable adapter event notification for interpreted devices")
Reported-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Message-ID: <20240118185151.265329-2-mjrosato@linux.ibm.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
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HW core patch queue
. Deprecate unmaintained SH-4 models (Samuel)
. HPET: Convert DPRINTF calls to trace events (Daniel)
. Implement buffered block writes in Intel PFlash (Gerd)
. Ignore ELF loadable segments with zero size (Bin)
. ESP/NCR53C9x: PCI DMA fixes (Mark)
. PIIX: Simplify Xen PCI IRQ routing (Bernhard)
. Restrict CPU 'start-powered-off' property to sysemu (Phil)
. target/alpha: Only build sys_helper.c on system emulation (Phil)
. target/xtensa: Use generic instruction breakpoint API & add test (Max)
. Restrict icount to system emulation (Phil)
. Do not set CPUState TCG-specific flags in non-TCG accels (Phil)
. Cleanup TCG tb_invalidate API (Phil)
. Correct LoongArch/KVM include path (Bibo)
. Do not ignore throttle errors in crypto backends (Phil)
. MAINTAINERS updates (Raphael, Zhao)
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# gpg: using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [full]
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* tag 'hw-cpus-20240119' of https://github.com/philmd/qemu: (36 commits)
configure: Add linux header compile support for LoongArch
MAINTAINERS: Update hw/core/cpu.c entry
MAINTAINERS: Update Raphael Norwitz email
hw/elf_ops: Ignore loadable segments with zero size
hw/scsi/esp-pci: set DMA_STAT_BCMBLT when BLAST command issued
hw/scsi/esp-pci: synchronise setting of DMA_STAT_DONE with ESP completion interrupt
hw/scsi/esp-pci: generate PCI interrupt from separate ESP and PCI sources
hw/scsi/esp-pci: use correct address register for PCI DMA transfers
target/riscv: Rename tcg_cpu_FOO() to include 'riscv'
target/i386: Rename tcg_cpu_FOO() to include 'x86'
hw/s390x: Rename cpu_class_init() to include 'sclp'
hw/core/cpu: Rename cpu_class_init() to include 'common'
accel: Rename accel_init_ops_interfaces() to include 'system'
cpus: Restrict 'start-powered-off' property to system emulation
system/watchpoint: Move TCG specific code to accel/tcg/
system/replay: Restrict icount to system emulation
hw/pflash: implement update buffer for block writes
hw/pflash: use ldn_{be,le}_p and stn_{be,le}_p
hw/pflash: refactor pflash_data_write()
hw/i386/pc_piix: Make piix_intx_routing_notifier_xen() more device independent
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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When compiling qemu with system KVM mode for LoongArch, header files
in directory linux-headers/asm-loongarch should be used firstly.
Otherwise it fails to find kvm.h on system with old glibc, since
latest kernel header files are not installed.
This patch adds linux_arch definition for LoongArch system so that
header files in directory linux-headers/asm-loongarch can be included.
Fixes: 714b03c125 ("target/loongarch: Add loongarch kvm into meson build")
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240116013952.264474-1-maobibo@loongson.cn>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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The hw/core/cpu.c was split as hw/core/cpu-common.c and
hw/core/cpu-sysemu.c in the commit df4fd7d5c8a3 ("cpu: Split as
cpu-common / cpu-sysemu").
Update the related entry.
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240115094852.3597165-2-zhao1.liu@linux.intel.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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I will be leaving Nutanix so updating my email in MAINTAINERS to my
personal email for now.
Signed-off-by: Raphael Norwitz <raphael.norwitz@nutanix.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240111192846.111699-1-raphael.norwitz@nutanix.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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Some ELF files really do have segments of zero size, e.g.:
Program Headers:
Type Offset VirtAddr PhysAddr
FileSiz MemSiz Flags Align
RISCV_ATTRIBUT 0x00000000000025b8 0x0000000000000000 0x0000000000000000
0x000000000000003e 0x0000000000000000 R 0x1
LOAD 0x0000000000001000 0x0000000080200000 0x0000000080200000
0x00000000000001d1 0x00000000000001d1 R E 0x1000
LOAD 0x00000000000011d1 0x00000000802001d1 0x00000000802001d1
0x0000000000000e37 0x0000000000000e37 RW 0x1000
LOAD 0x0000000000000120 0x0000000000000000 0x0000000000000000
0x0000000000000000 0x0000000000000000 0x1000
The current logic does not check for this condition, resulting in
the incorrect assignment of 'lowaddr' as zero.
There is already a piece of codes inside the segment traversal loop
that checks for zero-sized loadable segments for not creating empty
ROM blobs. Let's move this check to the beginning of the loop to
cover both scenarios.
Signed-off-by: Bin Meng <bmeng@tinylab.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20240116155049.390301-1-bmeng@tinylab.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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Even though the BLAST command isn't fully implemented in QEMU, the DMA_STAT_BCMBLT
bit should be set after the command has been issued to indicate that the command
has completed.
This fixes an issue with the DC390 DOS driver which issues the BLAST command as
part of its normal error recovery routine at startup, and otherwise sits in a
tight loop waiting for DMA_STAT_BCMBLT to be set before continuing.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Message-ID: <20240112131529.515642-5-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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interrupt
The setting of DMA_STAT_DONE at the end of a DMA transfer can be configured to
generate an interrupt, however the Linux driver manually checks for DMA_STAT_DONE
being set and if it is, considers that a DMA transfer has completed.
If DMA_STAT_DONE is set but the ESP device isn't indicating an interrupt then
the Linux driver considers this to be a spurious interrupt. However this can
occur in QEMU as there is a delay between the end of DMA transfer where
DMA_STAT_DONE is set, and the ESP device raising its completion interrupt.
This appears to be an incorrect assumption in the Linux driver as the ESP and
PCI DMA interrupt sources are separate (and may not be raised exactly
together), however we can work around this by synchronising the setting of
DMA_STAT_DONE at the end of a DMA transfer with the ESP completion interrupt.
In conjunction with the previous commit Linux is now able to correctly boot
from an am53c974 PCI SCSI device on the hppa C3700 machine without emitting
"iget: checksum invalid" and "Spurious irq, sreg=10" errors.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Message-ID: <20240112131529.515642-4-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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The am53c974/dc390 PCI interrupt has two separate sources: the first is from the
internal ESP device, and the second is from the PCI DMA transfer logic.
Update the ESP interrupt handler so that it sets DMA_STAT_SCSIINT rather than
driving the PCI IRQ directly, and introduce a new esp_pci_update_irq() function
to generate the correct PCI IRQ level. In particular this fixes spurious interrupts
being generated by setting DMA_STAT_DONE at the end of a transfer if DMA_CMD_INTE_D
isn't set in the DMA_CMD register.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Message-ID: <20240112131529.515642-3-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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The current code in esp_pci_dma_memory_rw() sets the DMA address to the value
of the DMA_SPA (Starting Physical Address) register which is incorrect: this
means that for each callback from the SCSI layer the DMA address is set back
to the starting address.
In the case where only a single SCSI callback occurs (currently for transfer
lengths < 128kB) this works fine, however for larger transfers the DMA address
wraps back to the initial starting address, corrupting the buffer holding the
data transferred to the guest.
Fix esp_pci_dma_memory_rw() to use the DMA_WAC (Working Address Counter) for
the DMA address which is correctly incremented across multiple SCSI layer
transfers.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Message-ID: <20240112131529.515642-2-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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The tcg_cpu_FOO() names are riscv specific, so rename
them as riscv_tcg_cpu_FOO() (as other names in this file)
to ease navigating the code.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20240111120221.35072-6-philmd@linaro.org>
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The tcg_cpu_FOO() names are x86 specific, so rename
them as x86_tcg_cpu_FOO() (as other names in this file)
to ease navigating the code.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Message-ID: <20240111120221.35072-5-philmd@linaro.org>
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cpu_class_init() is specific to s390x SCLP, so rename
it as sclp_cpu_class_init() (as other names in this file)
to ease navigating the code.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Message-ID: <20240111120221.35072-4-philmd@linaro.org>
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cpu_class_init() is common, so rename it as cpu_common_class_init()
to ease navigating the code.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-ID: <20240111120221.35072-3-philmd@linaro.org>
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accel_init_ops_interfaces() is system specific, so
rename it as accel_system_init_ops_interfaces() to
ease navigating the code.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20240111120221.35072-2-philmd@linaro.org>
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Since the CPUState::start-powered-off property is irrelevant
to user emulation, restrict it to system emulation.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240111161817.43150-1-philmd@linaro.org>
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Keep system/watchpoint.c accelerator-agnostic by moving
TCG specific code to accel/tcg/watchpoint.c. Update meson.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240111162032.43378-1-philmd@linaro.org>
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Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20231208113529.74067-7-philmd@linaro.org>
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Add an update buffer where all block updates are staged.
Flush or discard updates properly, so we should never see
half-completed block writes in pflash storage.
Drop a bunch of FIXME comments ;)
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240108160900.104835-4-kraxel@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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Use the helper functions we have to read/write multi-byte values
in correct byte order.
Suggested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240108160900.104835-3-kraxel@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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Move the offset calculation, do it once at the start of the function and
let the 'p' variable point directly to the memory location which should
be updated. This makes it simpler to update other buffers than
pfl->storage in an upcoming patch. No functional change.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240108160900.104835-2-kraxel@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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This is a follow-up on commit 89965db43cce "hw/isa/piix3: Avoid Xen-specific
variant of piix3_write_config()" which introduced
piix_intx_routing_notifier_xen(). This function is implemented in board code but
accesses the PCI configuration space of the PIIX ISA function to determine the
PCI interrupt routes. Avoid this by reusing pci_device_route_intx_to_irq() which
makes piix_intx_routing_notifier_xen() more device-agnostic.
One remaining improvement would be making piix_intx_routing_notifier_xen()
agnostic towards the number of PCI interrupt routes and move it to xen-hvm.
This might be useful for possible Q35 Xen efforts but remains a future exercise
for now.
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240107231623.5282-1-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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The 16MiB flash device is only used by the deprecated shix machine.
Its code it old and unmaintained, and has never been adapted to the
QOM architecture. It still contains debug statements and uses global
variables. It is time to deprecate it.
Signed-off-by: Samuel Tardieu <sam@rfc1149.net>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240109083053.2581588-3-sam@rfc1149.net>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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The shix machine has been designed and used at Télécom Paris from 2003
to 2010. It had been added to QEMU in 2005 and has not been maintained
since. Since nobody is using the physical board anymore nor interested
in maintaining the QEMU port, it is time to deprecate it.
Signed-off-by: Samuel Tardieu <sam@rfc1149.net>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240109083053.2581588-2-sam@rfc1149.net>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20231208113529.74067-6-philmd@linaro.org>
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pmu_init() register its event checking the pm_event::supported()
handler. For INST_RETIRED, the event is only registered and the
bit enabled in the PMU Common Event Identification register when
icount is enabled as ICOUNT_PRECISE.
PMU events are TCG-only, hardware accelerators handle them
directly. Unfortunately we register the events in non-TCG builds,
leading to linking error such:
ld: Undefined symbols:
_icount_to_ns, referenced from:
_instructions_ns_per in target_arm_helper.c.o
clang: error: linker command failed with exit code 1 (use -v to see invocation)
As a kludge, give a hint to the compiler by asserting the
pm_event::get_count() and pm_event::ns_per_count() handler will
only be called under this icount mode.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20231208113529.74067-5-philmd@linaro.org>
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Rather than having to lookup for what the 0, 1, 2, ...
icount values are, use a enum definition.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20231208113529.74067-4-philmd@linaro.org>
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Following the example documented since commit e3fe3988d7 ("error:
Document Error API usage rules"), have icount_configure()
return a boolean indicating whether an error is set or not.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20231208113529.74067-2-philmd@linaro.org>
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