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123213 commits

Author SHA1 Message Date
Stefan Hajnoczi
e240f6cc25 Second RISC-V PR for 10.1
* sstc extension fixes
 * Fix zama16b order in isa_edata_arr
 * Profile handling fixes
 * Extend PMP region up to 64
 * Remove capital 'Z' CPU properties
 * Add missing named features
 * Support atomic instruction fetch (Ziccif)
 * Add max_satp_mode from host cpu
 * Extend and configure PMP region count
 * Fix PPN field of Translation-reponse register
 * Use qemu_chr_fe_write_all() in DBCN_CONSOLE_WRITE_BYTE
 * Fix fcvt.s.bf16 NaN box checking
 * Avoid infinite delay of async xmit function
 * Device tree reg cleanups
 * Add Kunminghu CPU and platform
 * Fix missing exit TB flow for ldff_trans
 * Fix migration failure when aia is configured as aplic-imsic
 * Fix MEPC/SEPC bit masking for IALIGN
 * Add a property to set vill bit on reserved usage of vsetvli instruction
 * Add Svrsw60t59b extension support
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Merge tag 'pull-riscv-to-apply-20250704' of https://github.com/alistair23/qemu into staging

Second RISC-V PR for 10.1

* sstc extension fixes
* Fix zama16b order in isa_edata_arr
* Profile handling fixes
* Extend PMP region up to 64
* Remove capital 'Z' CPU properties
* Add missing named features
* Support atomic instruction fetch (Ziccif)
* Add max_satp_mode from host cpu
* Extend and configure PMP region count
* Fix PPN field of Translation-reponse register
* Use qemu_chr_fe_write_all() in DBCN_CONSOLE_WRITE_BYTE
* Fix fcvt.s.bf16 NaN box checking
* Avoid infinite delay of async xmit function
* Device tree reg cleanups
* Add Kunminghu CPU and platform
* Fix missing exit TB flow for ldff_trans
* Fix migration failure when aia is configured as aplic-imsic
* Fix MEPC/SEPC bit masking for IALIGN
* Add a property to set vill bit on reserved usage of vsetvli instruction
* Add Svrsw60t59b extension support

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# gpg: Signature made Fri 04 Jul 2025 07:11:26 EDT
# 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-20250704' of https://github.com/alistair23/qemu: (40 commits)
  target: riscv: Add Svrsw60t59b extension support
  target/riscv: Add a property to set vill bit on reserved usage of vsetvli instruction
  tests/tcg/riscv64: Add test for MEPC bit masking
  target/riscv: Fix MEPC/SEPC bit masking for IALIGN
  migration: Fix migration failure when aia is configured as aplic-imsic
  target/riscv: rvv: Fix missing exit TB flow for ldff_trans
  hw/riscv: Initial support for BOSC's Xiangshan Kunminghu FPGA prototype
  target/riscv: Add BOSC's Xiangshan Kunminghu CPU
  hw/riscv/virt: Use setprop_sized_cells for pcie
  hw/riscv/virt: Use setprop_sized_cells for iommu
  hw/riscv/virt: Use setprop_sized_cells for rtc
  hw/riscv/virt: Use setprop_sized_cells for uart
  hw/riscv/virt: Use setprop_sized_cells for reset
  hw/riscv/virt: Use setprop_sized_cells for virtio
  hw/riscv/virt: Use setprop_sized_cells for plic
  hw/riscv/virt: Use setprop_sized_cells for aclint
  hw/riscv/virt: Use setprop_sized_cells for aplic
  hw/riscv/virt: Use setprop_sized_cells for memory
  hw/riscv/virt: Use setprop_sized_cells for clint
  hw/riscv/virt: Fix clint base address type
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2025-07-04 08:58:58 -04:00
Stefan Hajnoczi
989dd906ed Accelerators patches
- Generic API consolidation, cleanups (dead code removal, documentation added)
 - Remove monitor TCG 'info opcount' and @x-query-opcount
 - Have HVF / NVMM / WHPX use generic CPUState::vcpu_dirty field
 - Expose nvmm_enabled() and whpx_enabled() to common code
 - Have hmp_info_registers() dump vector registers
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Merge tag 'accel-20250704' of https://github.com/philmd/qemu into staging

Accelerators patches

- Generic API consolidation, cleanups (dead code removal, documentation added)
- Remove monitor TCG 'info opcount' and @x-query-opcount
- Have HVF / NVMM / WHPX use generic CPUState::vcpu_dirty field
- Expose nvmm_enabled() and whpx_enabled() to common code
- Have hmp_info_registers() dump vector registers

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# gpg: Signature made Fri 04 Jul 2025 06:18:06 EDT
# gpg:                using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [full]
# Primary key fingerprint: FAAB E75E 1291 7221 DCFD  6BB2 E3E3 2C2C DEAD C0DE

* tag 'accel-20250704' of https://github.com/philmd/qemu: (31 commits)
  MAINTAINERS: Add me as reviewer of overall accelerators section
  monitor/hmp-cmds-target: add CPU_DUMP_VPU in hmp_info_registers()
  accel: Pass AccelState argument to gdbstub_supported_sstep_flags()
  accel: Remove unused MachineState argument of AccelClass::setup_post()
  accel: Directly pass AccelState argument to AccelClass::has_memory()
  accel/kvm: Directly pass KVMState argument to do_kvm_create_vm()
  accel/kvm: Prefer local AccelState over global MachineState::accel
  accel/tcg: Prefer local AccelState over global current_accel()
  accel: Propagate AccelState to AccelClass::init_machine()
  accel: Keep reference to AccelOpsClass in AccelClass
  accel: Expose and register generic_handle_interrupt()
  accel/dummy: Extract 'dummy-cpus.h' header from 'system/cpus.h'
  accel/whpx: Expose whpx_enabled() to common code
  accel/nvmm: Expose nvmm_enabled() to common code
  accel/system: Document cpu_synchronize_state_post_init/reset()
  accel/system: Document cpu_synchronize_state()
  accel/kvm: Remove kvm_cpu_synchronize_state() stub
  accel/whpx: Replace @dirty field by generic CPUState::vcpu_dirty field
  accel/nvmm: Replace @dirty field by generic CPUState::vcpu_dirty field
  accel/hvf: Replace @dirty field by generic CPUState::vcpu_dirty field
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2025-07-04 08:58:49 -04:00
Stefan Hajnoczi
563ac3d181 vfio queue:
* Added small cleanups for b4 and scope
 * Restricted TDX build to 64-bit target
 * Fixed issues introduced in first part of VFIO live update support
 * Added full VFIO live update support
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Merge tag 'pull-vfio-20250704' of https://github.com/legoater/qemu into staging

vfio queue:

* Added small cleanups for b4 and scope
* Restricted TDX build to 64-bit target
* Fixed issues introduced in first part of VFIO live update support
* Added full VFIO live update support

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# gpg: Signature made Fri 04 Jul 2025 04:42:59 EDT
# gpg:                using RSA key A0F66548F04895EBFE6B0B6051A343C7CFFBECA1
# gpg: Good signature from "Cédric Le Goater <clg@redhat.com>" [full]
# gpg:                 aka "Cédric Le Goater <clg@kaod.org>" [full]
# Primary key fingerprint: A0F6 6548 F048 95EB FE6B  0B60 51A3 43C7 CFFB ECA1

* tag 'pull-vfio-20250704' of https://github.com/legoater/qemu: (27 commits)
  vfio: doc changes for cpr
  vfio/container: delete old cpr register
  iommufd: preserve DMA mappings
  vfio/iommufd: change process
  vfio/iommufd: reconstruct hwpt
  vfio/iommufd: reconstruct device
  vfio/iommufd: preserve descriptors
  vfio/iommufd: cpr state
  migration: vfio cpr state hook
  vfio/iommufd: register container for cpr
  vfio/iommufd: device name blocker
  vfio/iommufd: add vfio_device_free_name
  vfio/iommufd: invariant device name
  vfio/iommufd: use IOMMU_IOAS_MAP_FILE
  physmem: qemu_ram_get_fd_offset
  backends/iommufd: change process ioctl
  backends/iommufd: iommufd_backend_map_file_dma
  migration: cpr_get_fd_param helper
  migration: close kvm after cpr
  vfio-pci: preserve INTx
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2025-07-04 08:58:39 -04:00
Stefan Hajnoczi
a876b05d38 aspeed queue:
* Improved AST2700 SoC modeling (SDMC, SCU)
 * Fixed hardware strapping of 'bletchley-bmc' machine
 * Added new Meta 'catalina-bmc' machine and functional test using OpenBMC
 * Improved AST2600 SCU protection key modeling
 * Introduced AST2600 SCU unit tests
 * Deprecated 'ast2700a0-evb' machine
 * Added new NVIDIA 'gb200-bmc' machine and functional test using OpenBMC
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Merge tag 'pull-aspeed-20250704' of https://github.com/legoater/qemu into staging

aspeed queue:

* Improved AST2700 SoC modeling (SDMC, SCU)
* Fixed hardware strapping of 'bletchley-bmc' machine
* Added new Meta 'catalina-bmc' machine and functional test using OpenBMC
* Improved AST2600 SCU protection key modeling
* Introduced AST2600 SCU unit tests
* Deprecated 'ast2700a0-evb' machine
* Added new NVIDIA 'gb200-bmc' machine and functional test using OpenBMC

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# gpg: Signature made Fri 04 Jul 2025 04:36:05 EDT
# gpg:                using RSA key A0F66548F04895EBFE6B0B6051A343C7CFFBECA1
# gpg: Good signature from "Cédric Le Goater <clg@redhat.com>" [full]
# gpg:                 aka "Cédric Le Goater <clg@kaod.org>" [full]
# Primary key fingerprint: A0F6 6548 F048 95EB FE6B  0B60 51A3 43C7 CFFB ECA1

* tag 'pull-aspeed-20250704' of https://github.com/legoater/qemu:
  tests/functional: Add gb200 tests
  hw/arm/aspeed: Add GB200 BMC target
  docs: add support for gb200-bmc
  hw/arm/aspeed: Add second SPI chip to Aspeed model
  aspeed: Deprecate the ast2700a0-evb machine
  tests/qtest: Add test for ASPEED SCU
  hw/misc/aspeed_scu: Handle AST2600 protection key registers correctly
  hw/arm/aspeed: add Catalina machine type
  hw/arm/aspeed: bletchley: update hw strap values
  hw/misc/aspeed_scu: Support the Frequency Counter Control register for AST2700
  hw/misc/aspeed_sdmc: Skipping dram_init in u-boot for AST2700

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2025-07-04 08:58:27 -04:00
William Kosasih
c9bc9f57ff target/arm: Fix VST2 helper store alignment checks
This patch adds alignment checks in the store operations in the VST2
instruction.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1154
Signed-off-by: William Kosasih <kosasihwilliam4@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20250703085604.154449-12-kosasihwilliam4@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-07-04 13:44:20 +01:00
William Kosasih
28b3745991 target/arm: Fix VST4 helper store alignment checks
This patch adds alignment checks in the store operations in the VST4
instruction.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1154
Signed-off-by: William Kosasih <kosasihwilliam4@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20250703085604.154449-11-kosasihwilliam4@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-07-04 13:44:20 +01:00
William Kosasih
26aa0e36bf target/arm: Fix VLD2 helper load alignment checks
This patch adds alignment checks in the load operations in the VLD2
instruction.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1154
Signed-off-by: William Kosasih <kosasihwilliam4@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20250703085604.154449-10-kosasihwilliam4@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-07-04 13:44:20 +01:00
William Kosasih
a7498d625f target/arm: Fix VLD4 helper load alignment checks
This patch adds alignment checks in the load operations in the VLD4
instruction.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1154
Signed-off-by: William Kosasih <kosasihwilliam4@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20250703085604.154449-9-kosasihwilliam4@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-07-04 13:44:20 +01:00
William Kosasih
13ab3764ea target/arm: Fix VSTR_SG helper store alignment checks
This patch adds alignment checks in the store operations in the VSTR_SG
instructions.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1154
Signed-off-by: William Kosasih <kosasihwilliam4@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20250703085604.154449-8-kosasihwilliam4@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-07-04 13:44:20 +01:00
William Kosasih
f8436889a0 target/arm: Fix VLDR_SG helper load alignment checks
This patch adds alignment checks in the load operations in the VLDR_SG
instructions.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1154
Signed-off-by: William Kosasih <kosasihwilliam4@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20250703085604.154449-7-kosasihwilliam4@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-07-04 13:44:20 +01:00
William Kosasih
c8bde49179 target/arm: Fix VSTR helper store alignment checks
This patch adds alignment checks in the store operations in the VSTR
instruction.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1154
Signed-off-by: William Kosasih <kosasihwilliam4@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20250703085604.154449-6-kosasihwilliam4@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-07-04 13:44:20 +01:00
William Kosasih
56249f3e6c target/arm: Fix VLDR helper load alignment checks
This patch adds alignment checks in the load operations in the VLDR
instruction.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1154
Signed-off-by: William Kosasih <kosasihwilliam4@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20250703085604.154449-5-kosasihwilliam4@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-07-04 13:44:20 +01:00
William Kosasih
c4940752ae target/arm: Fix function_return helper load alignment checks
This patch adds alignment checks in the load operations (when unstacking the
return pc and psr) in the FunctionReturn pseudocode.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1154
Signed-off-by: William Kosasih <kosasihwilliam4@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20250703085604.154449-4-kosasihwilliam4@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-07-04 13:44:20 +01:00
William Kosasih
94b07a46d1 target/arm: Fix BLXNS helper store alignment checks
This patch adds alignment checks in the store operations (when stacking the
return pc and psr) in the BLXNS instruction.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1154
Signed-off-by: William Kosasih <kosasihwilliam4@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20250703085604.154449-3-kosasihwilliam4@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-07-04 13:44:20 +01:00
William Kosasih
fa8f6f25ea target/arm: Bring VLSTM/VLLDM helper store/load closer to the ARM pseudocode
This patch brings the VLSTM and VLLDM helper functions closer to the ARM
pseudocode by adding MO_ALIGN to the MemOpIdx of the associated store
(`cpu_stl_mmu`) operations and load (`cpu_ldl_mmu`) operations.

Note that this is not a bug fix: an 8-byte alignment check already exists
and remains in place, enforcing stricter alignment than the 4 bytes
requirement in the individual loads and stores. This change merely makes the
helper implementations closer to the ARM pseudocode.

That said, as a side effect, the MMU index is now resolved once instead of
on every `cpu_*_data_ra` call, reducing redundant lookups

Signed-off-by: William Kosasih <kosasihwilliam4@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20250703085604.154449-2-kosasihwilliam4@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-07-04 13:44:20 +01:00
Philippe Mathieu-Daudé
487b25c9d9 accel: Keep reference to AccelOpsClass in AccelClass
Allow dereferencing AccelOpsClass outside of accel/accel-system.c.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Message-Id: <20250703173248.44995-30-philmd@linaro.org>
2025-07-04 14:43:46 +02:00
Philippe Mathieu-Daudé
b64bb17d14 accel: Expose and register generic_handle_interrupt()
In order to dispatch over AccelOpsClass::handle_interrupt(),
we need it always defined, not calling a hidden handler under
the hood. Make AccelOpsClass::handle_interrupt() mandatory.
Expose generic_handle_interrupt() prototype and register it
for each accelerator.

Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Xiaoyao Li <xiaoyao.li@intel.com>
Reviewed-by: Mads Ynddal <mads@ynddal.dk>
Message-Id: <20250703173248.44995-29-philmd@linaro.org>
2025-07-04 14:43:46 +02:00
Philippe Mathieu-Daudé
20a0181600 accel/dummy: Extract 'dummy-cpus.h' header from 'system/cpus.h'
'dummy' helpers are specific to accelerator implementations,
no need to expose them via "system/cpus.h".

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Xiaoyao Li <xiaoyao.li@intel.com>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Message-Id: <20250703173248.44995-27-philmd@linaro.org>
2025-07-04 14:43:46 +02:00
Philippe Mathieu-Daudé
a9c2afd74b accel/whpx: Expose whpx_enabled() to common code
Currently whpx_enabled() is restricted to target-specific code.
By defining CONFIG_WHPX_IS_POSSIBLE we allow its use anywhere.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250703173248.44995-26-philmd@linaro.org>
2025-07-04 14:43:46 +02:00
Philippe Mathieu-Daudé
80a1efdedd accel/nvmm: Expose nvmm_enabled() to common code
Currently nvmm_enabled() is restricted to target-specific code.
By defining CONFIG_NVMM_IS_POSSIBLE we allow its use anywhere.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Message-Id: <20250703173248.44995-25-philmd@linaro.org>
2025-07-04 14:43:46 +02:00
Philippe Mathieu-Daudé
04bd6c3631 accel/system: Document cpu_synchronize_state_post_init/reset()
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Message-Id: <20250703173248.44995-24-philmd@linaro.org>
2025-07-04 14:43:46 +02:00
Philippe Mathieu-Daudé
8e825755c5 accel/system: Document cpu_synchronize_state()
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Message-Id: <20250703173248.44995-23-philmd@linaro.org>
2025-07-04 14:43:46 +02:00
Philippe Mathieu-Daudé
888a6be775 accel/kvm: Remove kvm_cpu_synchronize_state() stub
Since commit 57038a92bb ("cpus: extract out kvm-specific code
to accel/kvm") the kvm_cpu_synchronize_state() stub is not
necessary.

Fixes: e0715f6abc ("kvm: remove kvm specific functions from global includes")
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Xiaoyao Li <xiaoyao.li@intel.com>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Message-Id: <20250703173248.44995-22-philmd@linaro.org>
2025-07-04 14:43:46 +02:00
Philippe Mathieu-Daudé
36ab216b81 accel/whpx: Replace @dirty field by generic CPUState::vcpu_dirty field
No need for accel-specific @dirty field when we have
a generic one in CPUState.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Xiaoyao Li <xiaoyao.li@intel.com>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Message-Id: <20250703173248.44995-21-philmd@linaro.org>
2025-07-04 14:43:46 +02:00
Philippe Mathieu-Daudé
ffd8ee9d7c accel/nvmm: Replace @dirty field by generic CPUState::vcpu_dirty field
No need for accel-specific @dirty field when we have
a generic one in CPUState.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Xiaoyao Li <xiaoyao.li@intel.com>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Message-Id: <20250703173248.44995-20-philmd@linaro.org>
2025-07-04 14:43:46 +02:00
Philippe Mathieu-Daudé
6f13a0ada0 accel/hvf: Replace @dirty field by generic CPUState::vcpu_dirty field
No need for accel-specific @dirty field when we have
a generic one in CPUState.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Xiaoyao Li <xiaoyao.li@intel.com>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Reviewed-by: Mads Ynddal <mads@ynddal.dk>
Message-Id: <20250703173248.44995-19-philmd@linaro.org>
2025-07-04 14:43:46 +02:00
Philippe Mathieu-Daudé
b6340f5866 cpus: Document CPUState::vcpu_dirty field
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Reviewed-by: Xiaoyao Li <xiaoyao.li@intel.com>
Message-Id: <20250703173248.44995-18-philmd@linaro.org>
2025-07-04 14:43:46 +02:00
Philippe Mathieu-Daudé
5f3bfbd8e2 accel/hvf: Report missing com.apple.security.hypervisor entitlement
We need the QEMU binary signed to be able to use HVF.
Improve the following:

  $ ./qemu-system-aarch64-unsigned -M virt -accel hvf
  qemu-system-aarch64-unsigned: -accel hvf: Error: ret = HV_DENIED (0xfae94007, at ../../accel/hvf/hvf-accel-ops.c:339)
  Abort trap: 6

to:

  $ ./qemu-system-aarch64-unsigned -M virt -accel hvf
  qemu-system-aarch64-unsigned: -accel hvf: Could not access HVF. Is the executable signed with com.apple.security.hypervisor entitlement?

Suggested-by: Shatyuka <shatyuka@qq.com>
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2800
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Mads Ynddal <mads@ynddal.dk>
Message-Id: <20250702185332.43650-29-philmd@linaro.org>
2025-07-04 14:43:45 +02:00
Philippe Mathieu-Daudé
81490432b6 accel/hvf: Move generic method declarations to hvf-all.c
hvf-all.c aims to contain the generic accel methods (TYPE_ACCEL),
while hvf-accel-ops.c the per-vcpu methods (TYPE_ACCEL_OPS).

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Message-Id: <20250703173248.44995-17-philmd@linaro.org>
2025-07-04 14:43:45 +02:00
Philippe Mathieu-Daudé
3240b69f68 accel/hvf: Move per-cpu method declarations to hvf-accel-ops.c
hvf-all.c aims to contain the generic accel methods (TYPE_ACCEL),
while hvf-accel-ops.c the per-vcpu methods (TYPE_ACCEL_OPS).

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Message-Id: <20250703173248.44995-16-philmd@linaro.org>
2025-07-04 14:43:45 +02:00
Philippe Mathieu-Daudé
4dc480e7da accel/hvf: Restrict internal declarations
Common code only needs to know whether HVF is enabled and
the QOM type. Move the rest to "hvf_int.h", removing the
need for COMPILING_PER_TARGET #ifdef'ry.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Xiaoyao Li <xiaoyao.li@intel.com>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Message-Id: <20250703173248.44995-15-philmd@linaro.org>
2025-07-04 14:43:45 +02:00
Philippe Mathieu-Daudé
dd0b228552 accel/tcg: Unregister the RCU before exiting RR thread
Although unreachable, still unregister the RCU before exiting
the thread, as documented in "qemu/rcu.h":

 /*
  * Important !
  *
  * Each thread containing read-side critical sections must be registered
  * with rcu_register_thread() before calling rcu_read_lock().
  * rcu_unregister_thread() should be called before the thread exits.
  */

Unregister the RCU to be on par with what is done for other
accelerators.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Message-Id: <20250702185332.43650-66-philmd@linaro.org>
2025-07-04 14:43:45 +02:00
Philippe Mathieu-Daudé
6bb8f2c51b accel/tcg: Clear exit_request once in tcg_cpu_exec()
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250701144017.43487-62-philmd@linaro.org>
2025-07-04 14:43:45 +02:00
Philippe Mathieu-Daudé
3955a104bc accel/tcg: Factor tcg_dump_stats() out for re-use
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Message-Id: <20250703173248.44995-11-philmd@linaro.org>
2025-07-04 14:43:45 +02:00
Philippe Mathieu-Daudé
8becf10374 accel/tcg: Factor tcg_dump_flush_info() out
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Xiaoyao Li <xiaoyao.li@intel.com>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Message-Id: <20250703173248.44995-10-philmd@linaro.org>
2025-07-04 14:43:45 +02:00
Philippe Mathieu-Daudé
93d7064e59 accel/tcg: Remove profiler leftover
TCG profiler was removed in commit 1b65b4f54c.

Fixes: 1b65b4f54c ("accel/tcg: remove CONFIG_PROFILER")
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Xiaoyao Li <xiaoyao.li@intel.com>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Message-Id: <20250703173248.44995-9-philmd@linaro.org>
2025-07-04 14:43:45 +02:00
Philippe Mathieu-Daudé
7359f69009 accel/tcg: Remove 'info opcount' and @x-query-opcount
Since commit 1b65b4f54c ("accel/tcg: remove CONFIG_PROFILER",
released with QEMU v8.1.0) we get pointless output:

  (qemu) info opcount
  [TCG profiler not compiled]

Remove that unstable and unuseful command.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Dr. David Alan Gilbert <dave@treblig.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Xiaoyao Li <xiaoyao.li@intel.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Message-Id: <20250703173248.44995-8-philmd@linaro.org>
2025-07-04 14:43:45 +02:00
Philippe Mathieu-Daudé
af065855ce accel/kvm: Reduce kvm_create_vcpu() declaration scope
kvm_create_vcpu() is only used within the same file unit.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Xiaoyao Li <xiaoyao.li@intel.com>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Message-Id: <20250703173248.44995-7-philmd@linaro.org>
2025-07-04 14:43:45 +02:00
Philippe Mathieu-Daudé
597ae563ba accel/kvm: Remove kvm_init_cpu_signals() stub
Since commit 57038a92bb ("cpus: extract out kvm-specific code
to accel/kvm") the kvm_init_cpu_signals() stub is not necessary.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Xiaoyao Li <xiaoyao.li@intel.com>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Message-Id: <20250703173248.44995-6-philmd@linaro.org>
2025-07-04 14:43:42 +02:00
Thomas Huth
9526b9b620 hw/arm/highbank: Mark the "highbank" and the "midway" machine as deprecated
We don't have any automatic regression tests for these machines and
when asking the usual suspects on the mailing list we came to the
conclusion that nobody tests these machines manually, too, so it seems
like this is currently just completely unused code. Mark them as depre-
cated to see whether anybody still speaks up during the deprecation
period, otherwise we can likely remove these two machines in a couple
of releases.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Message-id: 20250702113051.46483-1-thuth@redhat.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
[PMM: tweaked deprecation.rst text]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-07-04 13:39:30 +01:00
Alexandre Ghiti
dc8bffc4eb target: riscv: Add Svrsw60t59b extension support
The Svrsw60t59b extension allows to free the PTE reserved bits 60 and 59
for software to use.

Reviewed-by: Deepak Gupta <debug@rivosinc.com>
Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Nutty Liu<liujingqi@lanxincomputing.com>
Message-ID: <20250702-dev-alex-svrsw60b59b_v2-v2-1-504ddf0f8530@rivosinc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2025-07-04 21:09:49 +10:00
Vasilis Liaskovitis
5625817e8b target/riscv: Add a property to set vill bit on reserved usage of vsetvli instruction
Usage of vsetvli instruction is reserved if VLMAX is changed when vsetvli rs1
and rd arguments are x0.

In this case, if the new property is true, only the vill bit will be set.

See https://github.com/riscv/riscv-isa-manual/blob/main/src/v-st-ext.adoc#avl-encoding
According to the spec, the above use cases are reserved, and
"Implementations may set vill in either case."

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2422
Signed-off-by: Vasilis Liaskovitis <vliaskovitis@suse.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-ID: <20250618213542.22873-1-vliaskovitis@suse.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2025-07-04 21:09:49 +10:00
Charalampos Mitrodimas
a1f44e0c59 tests/tcg/riscv64: Add test for MEPC bit masking
Add a regression test to verify that MEPC properly masks the lower
bits when an address with mode bits is written to it, as required by
the RISC-V Privileged Architecture specification.

The test sets STVEC to an address with bit 0 set (vectored mode),
triggers an illegal instruction exception, copies STVEC to MEPC in the
trap handler, and verifies that MEPC masks bits [1:0] correctly for
IALIGN=32.

Without the fix, MEPC retains the mode bits (returns non-zero/FAIL).
With the fix, MEPC clears bits [1:0] (returns 0/PASS).

Signed-off-by: Charalampos Mitrodimas <charmitro@posteo.net>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-ID: <20250703182157.281320-3-charmitro@posteo.net>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2025-07-04 21:09:49 +10:00
Charalampos Mitrodimas
b3452452e6 target/riscv: Fix MEPC/SEPC bit masking for IALIGN
According to the RISC-V Privileged Architecture specification, the low
bit of MEPC/SEPC must always be zero. When IALIGN=32, the two low bits
must be zero.

This commit fixes the behavior of MEPC/SEPC CSR reads and writes, and
the implicit reads by MRET/SRET instructions to properly mask the
lowest bit(s) based on whether the C extension is enabled:
- When C extension is enabled (IALIGN=16): mask bit 0
- When C extension is disabled (IALIGN=32): mask bits [1:0]

Previously, when vectored mode bits from STVEC (which sets bit 0 for
vectored mode) were written to MEPC, the bits would not be cleared
correctly, causing incorrect behavior on MRET.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2855
Signed-off-by: Charalampos Mitrodimas <charmitro@posteo.net>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-ID: <20250703182157.281320-2-charmitro@posteo.net>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2025-07-04 21:09:49 +10:00
liu.xuemei1@zte.com.cn
bc2200134c migration: Fix migration failure when aia is configured as aplic-imsic
Address an error in migration when aia is configured as 'aplic-imsic' in
riscv kvm vm by adding riscv_aplic_state_needed() and
riscv_imsic_state_needed() to determine whether the corresponding sates are
needed.

Previously, the fields in the vmsds of 'riscv_aplic' and 'riscv_imsic' can
only be initialized under certain special conditions in commit 95a97b3fd2.
However, the corresponding ses of these vmsds are inserted into the
savevm_state.handlers unconditionally. This led to migration failure
characterized by uninitialized fields when save vm state:
qemu-system-riscv64: ../migration/vmstate.c:433: vmstate_save_state_v:
Assertion 'first_elem || !n_elems || !size' failed.

Fixes: 95a97b3fd2 ("target/riscv: update APLIC and IMSIC to support KVM AIA")

Signed-off-by: Xuemei Liu <liu.xuemei1@zte.com.cn>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20250616150034827wuHs_ffe3Qm8cqFXT7HeW@zte.com.cn>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2025-07-04 21:09:49 +10:00
Max Chou
b5092b3db2 target/riscv: rvv: Fix missing exit TB flow for ldff_trans
According to the V spec, the vector fault-only-first load instructions
may change the VL CSR.
So the ldff_trans TCG translation function should generate the
lookup_and_goto_ptr flow as the vsetvl/vsetvli translation function to
make sure the vl_eq_vlmax TB flag is correct.

Signed-off-by: Max Chou <max.chou@sifive.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20250627133013.443997-1-max.chou@sifive.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2025-07-04 21:09:49 +10:00
Huang Borong
29abd3d112 hw/riscv: Initial support for BOSC's Xiangshan Kunminghu FPGA prototype
This implementation provides emulation for the Xiangshan Kunminghu
FPGA prototype platform, including support for UART, CLINT, IMSIC,
and APLIC devices. More details can be found at
https://github.com/OpenXiangShan/XiangShan

Signed-off-by: qinshaoqing <qinshaoqing@bosc.ac.cn>
Signed-off-by: Yang Wang <wangyang@bosc.ac.cn>
Signed-off-by: Yu Hu <819258943@qq.com>
Signed-off-by: Ran Wang <wangran@bosc.ac.cn>
Signed-off-by: Borong Huang <3543977024@qq.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-ID: <20250617074222.17618-1-wangran@bosc.ac.cn>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2025-07-04 21:09:49 +10:00
Huang Borong
60aab7ad11 target/riscv: Add BOSC's Xiangshan Kunminghu CPU
Add a CPU entry for the Xiangshan Kunminghu CPU, an open-source,
high-performance RISC-V processor. More details can be found at:
https://github.com/OpenXiangShan/XiangShan

Note: The ISA extensions supported by the Xiangshan Kunminghu CPU are
categorized based on four RISC-V specifications: Volume I: Unprivileged
Architecture, Volume II: Privileged Architecture, AIA, and RVA23. The
extensions within each category are organized according to the chapter
order in the specifications.

Signed-off-by: Yu Hu <huyu@bosc.ac.cn>
Signed-off-by: Ran Wang <wangran@bosc.ac.cn>
Signed-off-by: Borong Huang <3543977024@qq.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20250425122212.364-1-wangran@bosc.ac.cn>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2025-07-04 21:09:49 +10:00
Joel Stanley
2454fc95ec hw/riscv/virt: Use setprop_sized_cells for pcie
The current device tree property uses two cells for the address (and for
the size), but assumes the they are less than 32 bits by hard coding the
high cell to zero.

Use qemu_fdt_setprop_sized_cells to do the job of splitting the upper
and lower 32 bits across cells.

Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Message-ID: <20250604025450.85327-13-joel@jms.id.au>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2025-07-04 21:09:49 +10:00
Joel Stanley
0e7e0ee639 hw/riscv/virt: Use setprop_sized_cells for iommu
The current device tree property uses two cells for the address (and for
the size), but assumes the they are less than 32 bits by hard coding the
high cell to zero.

Use qemu_fdt_setprop_sized_cells to do the job of splitting the upper
and lower 32 bits across cells.

Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Message-ID: <20250604025450.85327-12-joel@jms.id.au>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2025-07-04 21:09:49 +10:00