There is also pci_new() which creates non-multifunction PCI devices.
Accordingly the parameter is always set to true when a multi function PCI
device is to be created.
The reason for the parameter's existence seems to be that it is used in the
internal PCI code as well which is the only location where it gets set to
false. This one usage can be resolved by factoring out an internal helper
function.
Remove this redundant, error-prone parameter.
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Message-Id: <20230304114043.121024-6-shentey@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
The modern, declarative way to set up VM state handling is to assign to
DeviceClass::vmsd attribute.
There shouldn't be any change in behavior since dc->vmsd causes
vmstate_register_with_alias_id() to be called on the instance during
the instance init phase. vmstate_register() was also called during the
instance init phase which forwards to vmstate_register_with_alias_id()
internally. Checking the migration schema before and after this patch confirms:
before:
> qemu-system-x86_64 -S
> qemu > migrate -d exec:cat>before.mig
after:
> qemu-system-x86_64 -S
> qemu > migrate -d exec:cat>after.mig
> analyze-migration.py -d desc -f before.mig > before.json
> analyze-migration.py -d desc -f after.mig > after.json
> diff before.json after.json
-> empty
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Message-Id: <20230531211043.41724-8-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Message-Id: <20230531211043.41724-7-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Every TYPE_PCI_IDE device performs the same not-so-trivial bit manipulation by
copy'n'paste code. Extract this into bmdma_status_writeb(), mirroring
bmdma_cmd_writeb().
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-Id: <20230531211043.41724-6-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Every invocation of bmdma_init() is followed by `d->bmdma[i].bus = &d->bus[i]`.
Resolve this redundancy by extracting it into bmdma_init().
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20230531211043.41724-5-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Now that via_isa_set_irq() is unused it can be removed.
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20230531211043.41724-4-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Resolves circular depencency between IDE function and south bridge.
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20230531211043.41724-3-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Exposing the legacy IDE interrupts as GPIOs allows them to be connected in the
parent device through qdev_connect_gpio_out(), i.e. without accessing private
data of TYPE_PCI_IDE.
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20230531211043.41724-2-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
GINVI and GINVT operations are supported on MIPS I6400 and I6500 cores,
so indicate that properly in CP0.Config5 register bits [16:15].
Cc: qemu-stable@nongnu.org
Signed-off-by: Marcin Nowakowski <marcin.nowakowski@fungible.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230630072806.3093704-1-marcin.nowakowski@fungible.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
The instruction implements SAD (sum-absolute-difference) operation which
is used in motion estimation algorithms. The instruction handles four
8-bit data in parallel.
Signed-off-by: Siarhei Volkau <lis8215@gmail.com>
Message-Id: <20230608104222.1520143-34-lis8215@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
The instruction shuffles 8 bytes in two registers by
one of 4 predefined patterns.
Signed-off-by: Siarhei Volkau <lis8215@gmail.com>
Message-Id: <20230608104222.1520143-33-lis8215@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
The instruction is used to parallel multiply and accumulate
four 8-bit data.
Signed-off-by: Siarhei Volkau <lis8215@gmail.com>
Message-Id: <20230608104222.1520143-32-lis8215@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
The instruction is used to determine sign of four 16-bit
packed data in parallel.
Signed-off-by: Siarhei Volkau <lis8215@gmail.com>
Message-Id: <20230608104222.1520143-31-lis8215@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
These instructions do parallel quad 8-bit multiply and accumulate.
They are close to existing Q8MUL Q8MULSU so the generation
function modified to support all of them.
Also the patch fixes decoding of Q8MULSU according to tests on
hardware.
Signed-off-by: Siarhei Volkau <lis8215@gmail.com>
Message-Id: <20230608104222.1520143-30-lis8215@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
These instructions are:
- single 32-bit
- dual 16-bit packed
- quad 8-bit packed
conditional moves.
They are grouped in pool20 in the source code.
Signed-off-by: Siarhei Volkau <lis8215@gmail.com>
Message-Id: <20230608104222.1520143-29-lis8215@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
These instructions are counterparts for D32/Q16-SLL/SLR/SAR with
difference that the shift amount placed into GPR.
Signed-off-by: Siarhei Volkau <lis8215@gmail.com>
Message-Id: <20230608104222.1520143-28-lis8215@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
These instructions are same data shift in various directions, thus one
generation function is implemented for all three.
Signed-off-by: Siarhei Volkau <lis8215@gmail.com>
Message-Id: <20230608104222.1520143-27-lis8215@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
These instructions are same data shift in various directions, thus one
generation function is implemented for all three.
Signed-off-by: Siarhei Volkau <lis8215@gmail.com>
Message-Id: <20230608104222.1520143-26-lis8215@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
These instructions are dual 32-bit arithmetic shift right and
pack LSBs to 2x 16-bit into a MXU register.
The difference is the shift amount source: immediate or GP reg.
Signed-off-by: Siarhei Volkau <lis8215@gmail.com>
Message-Id: <20230608104222.1520143-25-lis8215@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
These instructions are part of pool16, see the grand opcode organization
tree on top of the file.
Signed-off-by: Siarhei Volkau <lis8215@gmail.com>
Message-Id: <20230608104222.1520143-24-lis8215@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
These instructions are part of pool15, see the grand opcode organization
tree on top of the file.
Signed-off-by: Siarhei Volkau <lis8215@gmail.com>
Message-Id: <20230608104222.1520143-23-lis8215@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
These instructions are all load/store a halfword from memory
and put it into/get it from MXU register in various combinations.
I-suffix instructions modify the base address GPR by offset provided.
Signed-off-by: Siarhei Volkau <lis8215@gmail.com>
Message-Id: <20230608104222.1520143-22-lis8215@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
These instructions are all load/store a byte from memory
and put it into/get it from MXU register in various combinations.
I-suffix instructions modify the base address GPR by offset provided.
Signed-off-by: Siarhei Volkau <lis8215@gmail.com>
Message-Id: <20230608104222.1520143-21-lis8215@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
These instructions are all dual 8-bit addition/subtraction in
various combinations. Most instructions are grouped in pool14,
see the opcode organization in the file.
Signed-off-by: Siarhei Volkau <lis8215@gmail.com>
Message-Id: <20230608104222.1520143-20-lis8215@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
These instructions are all dual 16-bit addition/subtraction in
various combinations. The instructions are grouped in pool13,
see the opcode organization in the file.
Signed-off-by: Siarhei Volkau <lis8215@gmail.com>
Message-Id: <20230608104222.1520143-19-lis8215@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
The instruction adds two 32-bit values with respect
to corresponding carry flags in MXU_CR.
XRa += XRb + LeftCarry flag;
XRd += XRc + RightCarry flag;
Suddenly, it doesn't modify carry flags as a result of addition.
Signed-off-by: Siarhei Volkau <lis8215@gmail.com>
Message-Id: <20230608104222.1520143-18-lis8215@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
These instructions are all dual 32-bit addition/subtraction in
various combinations. The instructions are grouped in pool12,
see the opcode organization in the file.
Signed-off-by: Siarhei Volkau <lis8215@gmail.com>
Message-Id: <20230608104222.1520143-17-lis8215@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
The instruction adds/subtracts two 32-bit values in XRb and XRc.
Placing results in XRa and XRd and updates carry bits for each
path in the MXU control register.
Signed-off-by: Siarhei Volkau <lis8215@gmail.com>
Message-Id: <20230608104222.1520143-16-lis8215@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
The instruction adds/subtracts four 16-bit packed in XRb and XRc.
Placing packed 16-bit results in XRa and XRd.
Signed-off-by: Siarhei Volkau <lis8215@gmail.com>
Message-Id: <20230608104222.1520143-15-lis8215@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
The instruction is similar to multiply and accumulate
but works with MXU registers set.
Signed-off-by: Siarhei Volkau <lis8215@gmail.com>
Message-Id: <20230608104222.1520143-14-lis8215@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
The instruction is similar to multiply and accumulate
but works with MXU registers set.
Signed-off-by: Siarhei Volkau <lis8215@gmail.com>
Message-Id: <20230608104222.1520143-13-lis8215@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
These instructions are close to D16MAC so common generation function
provided.
Signed-off-by: Siarhei Volkau <lis8215@gmail.com>
Message-Id: <20230608104222.1520143-12-lis8215@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
These instructions are part of pool3, see the grand tree above
in the file.
The instructions are close to D16MUL so common generation function
provided.
Signed-off-by: Siarhei Volkau <lis8215@gmail.com>
Message-Id: <20230608104222.1520143-11-lis8215@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
These instructions are part of pool2, see the grand tree above
in the file.
Signed-off-by: Siarhei Volkau <lis8215@gmail.com>
Message-Id: <20230608104222.1520143-10-lis8215@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
This instruction is used to add/subtract quadruple
8-bit values to another quadruple in parallel.
Signed-off-by: Siarhei Volkau <lis8215@gmail.com>
Message-Id: <20230608104222.1520143-9-lis8215@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
These instructions are part of pool1, see the grand tree above
in the file. Q8ADD is part of pool1 too but belong to another
category of instructions, thus will be made in later patches.
Signed-off-by: Siarhei Volkau <lis8215@gmail.com>
Message-Id: <20230608104222.1520143-8-lis8215@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
These instructions were designed that they overwrite source
register during partial storing of result.
Signed-off-by: Siarhei Volkau <lis8215@gmail.com>
Message-Id: <20230608104222.1520143-7-lis8215@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
These instructions are used to set bits depending on
comparison result in each byte respectively.
Signed-off-by: Siarhei Volkau <lis8215@gmail.com>
Message-Id: <20230608104222.1520143-6-lis8215@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
These instructions used to multiply 2x32-bit GPR sources & accumulate
result into 64-bit pair of XRF registers.
These instructions stain HI/LO registers with the final result.
Their opcode is close to the MIPS32R1 MADD[U]/MSUB[U], so it have to
call decode_opc_special2_legacy when failing to find MXU opcode.
Moreover, it solves issue with reinventing MUL and malfunction
MULU/CLZ/CLO instructions.
Signed-off-by: Siarhei Volkau <lis8215@gmail.com>
Message-Id: <20230608104222.1520143-5-lis8215@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
These instructions used to load from memory to GPR via indexed address
divided by base and index parts in GPR registers.
Signed-off-by: Siarhei Volkau <lis8215@gmail.com>
Message-Id: <20230608104222.1520143-4-lis8215@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
XBurstR1 - is the MIPS32R1 CPU which aims to cover all Ingenic SoCs
older than JZ4770 and some newer.
XBurstR2 - is the MIPS32R2 CPU which aims to cover all Ingenic SoCs
starting from to JZ4770.
Signed-off-by: Siarhei Volkau <lis8215@gmail.com>
Message-Id: <20230608104222.1520143-3-lis8215@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Add support for emulating:
- S32LDDV and S32LDDVR
- S32STD and S32STDR
- S32STDV and S32STDVR
MXU instructions.
Add support for emulating MXU instructions with address register
post-modify counterparts:
- S32LDI and S32LDIR
- S32LDIV and S32LDIVR
- S32SDI and S32SDIR
- S32SDIV and S32SDIVR
Refactor support for emulating the S32LDD and S32LDDR instructions.
Signed-off-by: Siarhei Volkau <lis8215@gmail.com>
Message-Id: <20230608104222.1520143-2-lis8215@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
After implemented CPUCFG and CSR, we are now able to boot Linux
kernel with Loongson-3A4000 CPU, so there is no point to restrict
CPU type to 3A1000 only, instead we just check for presence of
INSN_LOONGSON3A.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Message-Id: <20230521214832.20145-3-jiaxun.yang@flygoat.com>
[JY: Check for cpu_type_supports_isa(INSN_LOONGSON3A)]
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Loongson introduced CSR instructions since 3A4000, which looks
similar to IOCSR and CPUCFG instructions we seen in LoongArch.
Unfortunately we don't have much document about those instructions,
bit fields of CPUCFG instructions and IOCSR registers can be found
at 3A4000's user manual, while instruction encodings can be found
at arch/mips/include/asm/mach-loongson64/loongson_regs.h from
Linux Kernel.
Our predefined CPUCFG bits are differ from actual 3A4000, since
we can't emulate all CPUCFG features present in 3A4000 for now,
we just enable bits for what we have in TCG.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Message-Id: <20230521214832.20145-2-jiaxun.yang@flygoat.com>
[JY: Fixed typo in ase_lcsr_available(),
retrict GEN_FALSE_TRANS]
[PMD: Fix meson's mips_softmmu_ss -> mips_system_ss,
restrict AddressSpace/MemoryRegion to SysEmu]
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
* Use xl instead of mxl for disassemble
* Factor out extension tests to cpu_cfg.h
* disas/riscv: Add vendor extension support
* disas/riscv: Add support for XVentanaCondOps
* disas/riscv: Add support for XThead* instructions
* Fix mstatus related problems
* Fix veyron-v1 CPU properties
* Fix the xlen for data address when MPRV=1
* opensbi: Upgrade from v1.2 to v1.3
* Enable 32-bit Spike OpenSBI boot testing
* Support the watchdog timer of HiFive 1 rev b
* Only build qemu-system-riscv$$ on rv$$ host
* Add RVV registers to log
* Restrict ACLINT to TCG
* Add syscall riscv_hwprobe
* Add support for BF16 extensions
* KVM_RISCV_SET_TIMER macro is not configured correctly
* Generate devicetree only after machine initialization is complete
* virt: Convert fdt_load_addr to uint64_t
* KVM: fixes and enhancements
* Add support for the Zfa extension
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Merge tag 'pull-riscv-to-apply-20230710-1' of https://github.com/alistair23/qemu into staging
Third RISC-V PR for 8.1
* Use xl instead of mxl for disassemble
* Factor out extension tests to cpu_cfg.h
* disas/riscv: Add vendor extension support
* disas/riscv: Add support for XVentanaCondOps
* disas/riscv: Add support for XThead* instructions
* Fix mstatus related problems
* Fix veyron-v1 CPU properties
* Fix the xlen for data address when MPRV=1
* opensbi: Upgrade from v1.2 to v1.3
* Enable 32-bit Spike OpenSBI boot testing
* Support the watchdog timer of HiFive 1 rev b
* Only build qemu-system-riscv$$ on rv$$ host
* Add RVV registers to log
* Restrict ACLINT to TCG
* Add syscall riscv_hwprobe
* Add support for BF16 extensions
* KVM_RISCV_SET_TIMER macro is not configured correctly
* Generate devicetree only after machine initialization is complete
* virt: Convert fdt_load_addr to uint64_t
* KVM: fixes and enhancements
* Add support for the Zfa extension
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# gpg: Signature made Mon 10 Jul 2023 01:30:33 PM BST
# gpg: using RSA key 6AE902B6A7CA877D6D659296AF7C95130C538013
# gpg: Good signature from "Alistair Francis <alistair@alistair23.me>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 6AE9 02B6 A7CA 877D 6D65 9296 AF7C 9513 0C53 8013
* tag 'pull-riscv-to-apply-20230710-1' of https://github.com/alistair23/qemu: (54 commits)
riscv: Add support for the Zfa extension
target/riscv/kvm.c: read/write (cbom|cboz)_blocksize in KVM
target/riscv/kvm.c: add kvmconfig_get_cfg_addr() helper
target/riscv: update multi-letter extension KVM properties
target/riscv/cpu.c: create KVM mock properties
target/riscv/cpu.c: remove priv_ver check from riscv_isa_string_ext()
target/riscv/cpu.c: add satp_mode properties earlier
target/riscv/kvm.c: add multi-letter extension KVM properties
target/riscv/kvm.c: update KVM MISA bits
target/riscv: add KVM specific MISA properties
target/riscv/cpu: add misa_ext_info_arr[]
target/riscv/kvm.c: init 'misa_ext_mask' with scratch CPU
target/riscv: handle mvendorid/marchid/mimpid for KVM CPUs
target/riscv: read marchid/mimpid in kvm_riscv_init_machine_ids()
target/riscv: use KVM scratch CPUs to init KVM properties
target/riscv/cpu.c: restrict 'marchid' value
target/riscv/cpu.c: restrict 'mimpid' value
target/riscv/cpu.c: restrict 'mvendorid' value
hw/riscv/virt.c: skip 'mmu-type' FDT if satp mode not set
target/riscv: skip features setup for KVM CPUs
...
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
There is also pci_create_simple() which creates non-multifunction PCI
devices. Accordingly the parameter is always set to true when a multi
function PCI device is to be created.
The reason for the parameter's existence seems to be that it is used in the
internal PCI code as well which is the only location where it gets set to
false. This one usage can be replaced by trivial code.
Remove this redundant, error-prone parameter.
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Message-Id: <20230304114043.121024-5-shentey@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
I440FX realization is currently mixed with PIIX3 creation. Furthermore, it is
common practice to only set properties between a device's qdev_new() and
qdev_realize(). Clean up to resolve both issues.
Since I440FX spawns a PCI bus let's also move the pci_bus initialization there.
Note that when running `qemu-system-x86_64 -M pc -S` before and after this
patch, `info mtree` in the QEMU console doesn't show any differences except that
the ordering is different.
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230630073720.21297-18-shentey@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
i440fx_init() is a legacy init function. The previous patches worked towards
TYPE_I440FX_PCI_HOST_BRIDGE to be instantiated the QOM way. Do this now by
transforming the parameters passed to i440fx_init() into property assignments.
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Message-Id: <20230630073720.21297-17-shentey@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
I440FX needs a different PCI device model if the "igd-passthru" property is
enabled. The type name is currently passed as a parameter to i440fx_init(). This
parameter will be replaced by a property assignment once i440fx_init() gets
resolved.
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Message-Id: <20230630073720.21297-16-shentey@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
