Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* target/riscv: clean up supported MMU modes, declarative CPU definitions,
remove .instance_post_init (reviewed by Alistair

Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* target/riscv: clean up supported MMU modes, declarative CPU definitions,
remove .instance_post_init (reviewed by Alistair)
* qom: reverse order of instance_post_init calls
* qapi/misc-target: doc and standard improvements for SGX
* hw/pci-host/gt64120: Fix endianness handling
* i386/hvf: Make CPUID_HT supported
* i386/tcg: Make CPUID_HT and CPUID_EXT3_CMP_LEG supported

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# gpg: using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg: issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1
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* tag 'for-upstream' of https://gitlab.com/bonzini/qemu: (35 commits)
qom: reverse order of instance_post_init calls
target/riscv: remove .instance_post_init
target/riscv: convert Xiangshan Nanhu to RISCVCPUDef
target/riscv: convert Ventana V1 to RISCVCPUDef
target/riscv: convert TT Ascalon to RISCVCPUDef
target/riscv: convert THead C906 to RISCVCPUDef
target/riscv: generalize custom CSR functionality
target/riscv: th: make CSR insertion test a bit more intuitive
target/riscv: convert SiFive U models to RISCVCPUDef
target/riscv: convert ibex CPU models to RISCVCPUDef
target/riscv: convert SiFive E CPU models to RISCVCPUDef
target/riscv: convert dynamic CPU models to RISCVCPUDef
target/riscv: convert bare CPU models to RISCVCPUDef
target/riscv: convert profile CPU models to RISCVCPUDef
target/riscv: convert abstract CPU classes to RISCVCPUDef
target/riscv: add more RISCVCPUDef fields
target/riscv: include default value in cpu_cfg_fields.h.inc
target/riscv: move RISCVCPUConfig fields to a header file
target/riscv: merge riscv_cpu_class_init with the class_base function
target/riscv: store RISCVCPUDef struct directly in the class
...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

show more ...

target/riscv: store RISCVCPUDef struct directly in the class

Prepare for adding more fields to RISCVCPUDef and reading them in
riscv_cpu_init: instead of storing the misa_mxl_max field in
RISCVCPUCl

target/riscv: store RISCVCPUDef struct directly in the class

Prepare for adding more fields to RISCVCPUDef and reading them in
riscv_cpu_init: instead of storing the misa_mxl_max field in
RISCVCPUClass, ensure that there's always a valid RISCVCPUDef struct
and go through it.

Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

show more ...

Merge tag 'pull-tcg-20250423' of https://gitlab.com/rth7680/qemu into staging

meson: Introduce top-level libuser_ss and libsystem_ss
meson: Add hw_common_arch dictionary
accel/tcg: Lots of cleanups

Merge tag 'pull-tcg-20250423' of https://gitlab.com/rth7680/qemu into staging

meson: Introduce top-level libuser_ss and libsystem_ss
meson: Add hw_common_arch dictionary
accel/tcg: Lots of cleanups to enable build once for:
user-exec-stub.c,
plugin-gen.c,
translator.c
page-vary: Restrict scope of TARGET_PAGE_BITS_MIN
tcg: Always define TARGET_INSN_START_EXTRA_WORDS
tcg: Convert TARGET_GUEST_DEFAULT_MO to TCGCPUOps::guest_default_memory_order
tcg: Convert TARGET_SUPPORTS_MTTCG to TCGCPUOps::mttcg_supported field
target/riscv: Do not expose rv128 CPU on user mode emulation

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# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A 05C0 64DF 38E8 AF7E 215F

* tag 'pull-tcg-20250423' of https://gitlab.com/rth7680/qemu: (148 commits)
tcg: Convert TARGET_SUPPORTS_MTTCG to TCGCPUOps::mttcg_supported field
target/i386: Remove AccelCPUClass::cpu_class_init need
target/riscv: Remove AccelCPUClass::cpu_class_init need
accel/tcg: Move mttcg warning to tcg_init_machine
tcg: Convert TCGState::mttcg_enabled to TriState
accel/tcg: Remove mttcg_enabled
tcg: Move qemu_tcg_mttcg_enabled() to 'system/tcg.h'
tcg: Pass max_threads not max_cpus to tcg_init
tcg: Move cpu_req_mo() macro to target-agnostic 'backend-ldst.h'
tcg: Remove the TCG_GUEST_DEFAULT_MO definition globally
tcg: Have tcg_req_mo() use TCGCPUOps::guest_default_memory_order
tcg: Propagate CPUState argument to cpu_req_mo()
tcg: Remove use of TCG_GUEST_DEFAULT_MO in tb_gen_code()
tcg: Define guest_default_memory_order in TCGCPUOps
tcg: Simplify tcg_req_mo() macro
tcg: Always define TCG_GUEST_DEFAULT_MO
exec: Do not include 'accel/tcg/cpu-ldst.h' in 'exec-all.h'
exec: Restrict 'cpu_ldst.h' to accel/tcg/
exec: Restrict 'cpu-ldst-common.h' to accel/tcg/
tcg: Always define TARGET_INSN_START_EXTRA_WORDS
...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

show more ...

include/exec: Split out icount.h

Split icount stuff from system/cpu-timers.h.
There are 17 files which only require icount.h, 7 that only
require cpu-timers.h, and 7 that require both.

Reviewed-by:

include/exec: Split out icount.h

Split icount stuff from system/cpu-timers.h.
There are 17 files which only require icount.h, 7 that only
require cpu-timers.h, and 7 that require both.

Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

Merge tag 'pull-riscv-to-apply-20250305-1' of https://github.com/alistair23/qemu into staging

Third RISC-V PR for 10.0

* CSR coverity fixes
* Fix unexpected behavior of vector reduction instruction

Merge tag 'pull-riscv-to-apply-20250305-1' of https://github.com/alistair23/qemu into staging

Third RISC-V PR for 10.0

* CSR coverity fixes
* Fix unexpected behavior of vector reduction instructions when vl is 0
* Fix incorrect vlen comparison in prop_vlen_set
* Throw debug exception before page fault
* Remove redundant "hart_idx" masking from APLIC
* Add support for Control Transfer Records Ext
* Remove redundant struct members from the IOMMU
* Remove duplicate definitions from the IOMMU
* Fix tick_offset migration for Goldfish RTC
* Add serial alias in virt machine DTB
* Remove Bin Meng from RISC-V maintainers
* Add support for Control Transfer Records Ext
* Log guest errors when reserved bits are set in PTEs
* Add missing Sdtrig disas CSRs
* Correct the hpmevent sscofpmf mask
* Mask upper sscofpmf bits during validation
* Remove warnings about Smdbltrp/Smrnmi being disabled
* Respect mseccfg.RLB bit for TOR mode PMP entry
* Update KVM support to Linux 6.14-rc3
* IOMMU HPM support
* Support Sscofpmf/Svade/Svadu/Smnpm/Ssnpm extensions in KVM
* Add --ignore-family option to binfmt
* Refinement for AIA with KVM acceleration
* Reset time changes for KVM

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# gpg: Signature made Wed 05 Mar 2025 09:52:01 HKT
# 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-20250305-1' of https://github.com/alistair23/qemu: (59 commits)
target/riscv/kvm: add missing KVM CSRs
target/riscv/kvm: add kvm_riscv_reset_regs_csr()
target/riscv/cpu: remove unneeded !kvm_enabled() check
hw/intc/aplic: refine kvm_msicfgaddr
hw/intc/aplic: refine the APLIC realize
hw/intc/imsic: refine the IMSIC realize
binfmt: Add --ignore-family option
binfmt: Normalize host CPU architecture
binfmt: Shuffle things around
target/riscv/kvm: Add some exts support
docs/specs/riscv-iommu.rst: add HPM support info
hw/riscv: add IOMMU HPM trace events
hw/riscv/riscv-iommu.c: add RISCV_IOMMU_CAP_HPM cap
hw/riscv/riscv-iommu: add hpm events mmio write
hw/riscv/riscv-iommu: add IOHPMCYCLES mmio write
hw/riscv/riscv-iommu: add IOCOUNTINH mmio writes
hw/riscv/riscv-iommu: instantiate hpm_timer
hw/riscv/riscv-iommu: add riscv_iommu_hpm_incr_ctr()
hw/riscv/riscv-iommu: add riscv-iommu-hpm file
hw/riscv/riscv-iommu-bits.h: HPM bits
...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

show more ...

target/riscv: machine: Add Control Transfer Record state description

Add a subsection to machine.c to migrate CTR CSR state

Signed-off-by: Rajnesh Kanwal <rkanwal@rivosinc.com>
Acked-by: Alistair F

target/riscv: machine: Add Control Transfer Record state description

Add a subsection to machine.c to migrate CTR CSR state

Signed-off-by: Rajnesh Kanwal <rkanwal@rivosinc.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20250205-b4-ctr_upstream_v6-v6-6-439d8e06c8ef@rivosinc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

show more ...

Merge tag 'pull-riscv-to-apply-20250119-1' of https://github.com/alistair23/qemu into staging

Second RISC-V PR for 10.0

* Reduce the overhead for simple RISC-V vector unit-stride loads and stores
*

Merge tag 'pull-riscv-to-apply-20250119-1' of https://github.com/alistair23/qemu into staging

Second RISC-V PR for 10.0

* Reduce the overhead for simple RISC-V vector unit-stride loads and stores
* Add V bit to GDB priv reg
* Add 'sha' support
* Add traces for exceptions in user mode
* Update Pointer Masking to Zjpm v1.0
* Add Smrnmi support
* Fix timebase-frequency when using KVM acceleration
* Add RISC-V Counter delegation ISA extension support
* Add support for Smdbltrp and Ssdbltrp extensions
* Introduce a translation tag for the IOMMU page table cache
* Support Supm and Sspm as part of Zjpm v1.0
* Convert htif debug prints to trace event

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# 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-20250119-1' of https://github.com/alistair23/qemu: (50 commits)
hw/char/riscv_htif: Convert HTIF_DEBUG() to trace events
target/riscv: Support Supm and Sspm as part of Zjpm v1.0
hw/riscv/riscv-iommu.c: Introduce a translation tag for the page table cache
target/riscv: Add Smdbltrp ISA extension enable switch
target/riscv: Implement Smdbltrp behavior
target/riscv: Implement Smdbltrp sret, mret and mnret behavior
target/riscv: Add Smdbltrp CSRs handling
target/riscv: Add Ssdbltrp ISA extension enable switch
target/riscv: Implement Ssdbltrp exception handling
target/riscv: Implement Ssdbltrp sret, mret and mnret behavior
target/riscv: Add Ssdbltrp CSRs handling
target/riscv: Fix henvcfg potentially containing stale bits
target/riscv: Add configuration for S[m|s]csrind, Smcdeleg/Ssccfg
target/riscv: Add implied rule for counter delegation extensions
target/riscv: Invoke pmu init after feature enable
target/riscv: Add counter delegation/configuration support
target/riscv: Add select value range check for counter delegation
target/riscv: Add counter delegation definitions
target/riscv: Add properties for counter delegation ISA extensions
target/riscv: Support generic CSR indirect access
...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

show more ...

target/riscv: Add counter delegation definitions

This adds definitions for counter delegation, including the new
scountinhibit register and the mstateen.CD bit.

Signed-off-by: Kaiwen Xue <kaiwenx@r

target/riscv: Add counter delegation definitions

This adds definitions for counter delegation, including the new
scountinhibit register and the mstateen.CD bit.

Signed-off-by: Kaiwen Xue <kaiwenx@rivosinc.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Message-ID: <20250110-counter_delegation-v5-6-e83d797ae294@rivosinc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

show more ...

target/riscv: Remove obsolete pointer masking extension code.

Zjpm extension is finally ratified. And it's much simplier compared to the experimental one.
The newer version doesn't allow to specify

target/riscv: Remove obsolete pointer masking extension code.

Zjpm extension is finally ratified. And it's much simplier compared to the experimental one.
The newer version doesn't allow to specify custom mask or base for pointer masking.
Instead it allows only certain options for masking top bits.

Signed-off-by: Alexey Baturo <baturo.alexey@gmail.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20250106102346.1100149-2-baturo.alexey@gmail.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

show more ...

Merge tag 'exec-20241220' of https://github.com/philmd/qemu into staging

Accel & Exec patch queue

- Ignore writes to CNTP_CTL_EL0 on HVF ARM (Alexander)
- Add '-d invalid_mem' logging option (Zolta

Merge tag 'exec-20241220' of https://github.com/philmd/qemu into staging

Accel & Exec patch queue

- Ignore writes to CNTP_CTL_EL0 on HVF ARM (Alexander)
- Add '-d invalid_mem' logging option (Zoltan)
- Create QOM containers explicitly (Peter)
- Rename sysemu/ -> system/ (Philippe)
- Re-orderning of include/exec/ headers (Philippe)
Move a lot of declarations from these legacy mixed bag headers:
. "exec/cpu-all.h"
. "exec/cpu-common.h"
. "exec/cpu-defs.h"
. "exec/exec-all.h"
. "exec/translate-all"
to these more specific ones:
. "exec/page-protection.h"
. "exec/translation-block.h"
. "user/cpu_loop.h"
. "user/guest-host.h"
. "user/page-protection.h"

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# gpg: Signature made Fri 20 Dec 2024 11:45:20 EST
# gpg: using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [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: FAAB E75E 1291 7221 DCFD 6BB2 E3E3 2C2C DEAD C0DE

* tag 'exec-20241220' of https://github.com/philmd/qemu: (59 commits)
util/qemu-timer: fix indentation
meson: Do not define CONFIG_DEVICES on user emulation
system/accel-ops: Remove unnecessary 'exec/cpu-common.h' header
system/numa: Remove unnecessary 'exec/cpu-common.h' header
hw/xen: Remove unnecessary 'exec/cpu-common.h' header
target/mips: Drop left-over comment about Jazz machine
target/mips: Remove tswap() calls in semihosting uhi_fstat_cb()
target/xtensa: Remove tswap() calls in semihosting simcall() helper
accel/tcg: Un-inline translator_is_same_page()
accel/tcg: Include missing 'exec/translation-block.h' header
accel/tcg: Move tcg_cflags_has/set() to 'exec/translation-block.h'
accel/tcg: Restrict curr_cflags() declaration to 'internal-common.h'
qemu/coroutine: Include missing 'qemu/atomic.h' header
exec/translation-block: Include missing 'qemu/atomic.h' header
accel/tcg: Declare cpu_loop_exit_requested() in 'exec/cpu-common.h'
exec/cpu-all: Include 'cpu.h' earlier so MMU_USER_IDX is always defined
target/sparc: Move sparc_restore_state_to_opc() to cpu.c
target/sparc: Uninline cpu_get_tb_cpu_state()
target/loongarch: Declare loongarch_cpu_dump_state() locally
user: Move various declarations out of 'exec/exec-all.h'
...

Conflicts:
hw/char/riscv_htif.c
hw/intc/riscv_aplic.c
target/s390x/cpu.c

Apply sysemu header path changes to not in the pull request.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

show more ...

include: Rename sysemu/ -> system/

Headers in include/sysemu/ are not only related to system
*emulation*, they are also used by virtualization. Rename
as system/ which is clearer.

Files renamed man

include: Rename sysemu/ -> system/

Headers in include/sysemu/ are not only related to system
*emulation*, they are also used by virtualization. Rename
as system/ which is clearer.

Files renamed manually then mechanical change using sed tool.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Lei Yang <leiyang@redhat.com>
Message-Id: <20241203172445.28576-1-philmd@linaro.org>

show more ...

Merge tag 'pull-riscv-to-apply-20241031-1' of https://github.com/alistair23/qemu into staging

RISC-V PR for 9.2

* Fix an access to VXSAT
* Expose RV32 cpu to RV64 QEMU
* Don't clear PLIC pending bi

Merge tag 'pull-riscv-to-apply-20241031-1' of https://github.com/alistair23/qemu into staging

RISC-V PR for 9.2

* Fix an access to VXSAT
* Expose RV32 cpu to RV64 QEMU
* Don't clear PLIC pending bits on IRQ lowering
* Make PLIC zeroth priority register read-only
* Set vtype.vill on CPU reset
* Check and update APLIC pending when write sourcecfg
* Avoid dropping charecters with HTIF
* Apply FIFO backpressure to guests using SiFive UART
* Support for control flow integrity extensions
* Support for the IOMMU with the virt machine
* set 'aia_mode' to default in error path
* clarify how 'riscv-aia' default works

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# =rPaa
# -----END PGP SIGNATURE-----
# gpg: Signature made Thu 31 Oct 2024 03:51:48 GMT
# 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-20241031-1' of https://github.com/alistair23/qemu: (50 commits)
target/riscv: Fix vcompress with rvv_ta_all_1s
target/riscv/kvm: clarify how 'riscv-aia' default works
target/riscv/kvm: set 'aia_mode' to default in error path
docs/specs: add riscv-iommu
qtest/riscv-iommu-test: add init queues test
hw/riscv/riscv-iommu: add DBG support
hw/riscv/riscv-iommu: add ATS support
hw/riscv/riscv-iommu: add Address Translation Cache (IOATC)
test/qtest: add riscv-iommu-pci tests
hw/riscv/virt.c: support for RISC-V IOMMU PCIDevice hotplug
hw/riscv: add riscv-iommu-pci reference device
pci-ids.rst: add Red Hat pci-id for RISC-V IOMMU device
hw/riscv: add RISC-V IOMMU base emulation
hw/riscv: add riscv-iommu-bits.h
exec/memtxattr: add process identifier to the transaction attributes
target/riscv: Expose zicfiss extension as a cpu property
disas/riscv: enable disassembly for compressed sspush/sspopchk
disas/riscv: enable disassembly for zicfiss instructions
target/riscv: compressed encodings for sspush and sspopchk
target/riscv: implement zicfiss instructions
...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

target/riscv: introduce ssp and enabling controls for zicfiss

zicfiss introduces a new state ssp ("shadow stack register") in cpu.
ssp is expressed as a new unprivileged csr (CSR_SSP=0x11) and holds

target/riscv: introduce ssp and enabling controls for zicfiss

zicfiss introduces a new state ssp ("shadow stack register") in cpu.
ssp is expressed as a new unprivileged csr (CSR_SSP=0x11) and holds
virtual address for shadow stack as programmed by software.

Shadow stack (for each mode) is enabled via bit3 in *envcfg CSRs.
Shadow stack can be enabled for a mode only if it's higher privileged
mode had it enabled for itself. M mode doesn't need enabling control,
it's always available if extension is available on cpu.

This patch also implements helper bcfi function which determines if bcfi
is enabled at current privilege or not.

Adds ssp to migration state as well.

Signed-off-by: Deepak Gupta <debug@rivosinc.com>
Co-developed-by: Jim Shu <jim.shu@sifive.com>
Co-developed-by: Andy Chiu <andy.chiu@sifive.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20241008225010.1861630-12-debug@rivosinc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

show more ...

target/riscv: Introduce elp state and enabling controls for zicfilp

zicfilp introduces a new state elp ("expected landing pad") in cpu.
During normal execution, elp is idle (NO_LP_EXPECTED) i.e not

target/riscv: Introduce elp state and enabling controls for zicfilp

zicfilp introduces a new state elp ("expected landing pad") in cpu.
During normal execution, elp is idle (NO_LP_EXPECTED) i.e not expecting
landing pad. On an indirect call, elp moves LP_EXPECTED. When elp is
LP_EXPECTED, only a subsquent landing pad instruction can set state back
to NO_LP_EXPECTED. On reset, elp is set to NO_LP_EXPECTED.

zicfilp is enabled via bit2 in *envcfg CSRs. Enabling control for M-mode
is in mseccfg CSR at bit position 10.

On trap, elp state is saved away in *status.
Adds elp to the migration state as well.

Signed-off-by: Deepak Gupta <debug@rivosinc.com>
Co-developed-by: Jim Shu <jim.shu@sifive.com>
Co-developed-by: Andy Chiu <andy.chiu@sifive.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20241008225010.1861630-4-debug@rivosinc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

show more ...

Merge tag 'pull-riscv-to-apply-20240718-1' of https://github.com/alistair23/qemu into staging

RISC-V PR for 9.1

* Support the zimop, zcmop, zama16b and zabha extensions
* Validate the mode when set

Merge tag 'pull-riscv-to-apply-20240718-1' of https://github.com/alistair23/qemu into staging

RISC-V PR for 9.1

* Support the zimop, zcmop, zama16b and zabha extensions
* Validate the mode when setting vstvec CSR
* Add decode support for Zawrs extension
* Update the KVM regs to Linux 6.10-rc5
* Add smcntrpmf extension support
* Raise an exception when CSRRS/CSRRC writes a read-only CSR
* Re-insert and deprecate 'riscv,delegate' in virt machine device tree
* roms/opensbi: Update to v1.5

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# -----END PGP SIGNATURE-----
# gpg: Signature made Thu 18 Jul 2024 12:09:11 PM AEST
# 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-20240718-1' of https://github.com/alistair23/qemu: (30 commits)
roms/opensbi: Update to v1.5
hw/riscv/virt.c: re-insert and deprecate 'riscv,delegate'
target/riscv: raise an exception when CSRRS/CSRRC writes a read-only CSR
target/riscv: Expose the Smcntrpmf config
target/riscv: Do not setup pmu timer if OF is disabled
target/riscv: More accurately model priv mode filtering.
target/riscv: Start counters from both mhpmcounter and mcountinhibit
target/riscv: Enforce WARL behavior for scounteren/hcounteren
target/riscv: Save counter values during countinhibit update
target/riscv: Implement privilege mode filtering for cycle/instret
target/riscv: Only set INH fields if priv mode is available
target/riscv: Add cycle & instret privilege mode filtering support
target/riscv: Add cycle & instret privilege mode filtering definitions
target/riscv: Add cycle & instret privilege mode filtering properties
target/riscv: Fix the predicate functions for mhpmeventhX CSRs
target/riscv: Combine set_mode and set_virt functions.
target/riscv/kvm: update KVM regs to Linux 6.10-rc5
disas/riscv: Add decode for Zawrs extension
target/riscv: Validate the mode in write_vstvec
disas/riscv: Support zabha disassemble
...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

target/riscv: Save counter values during countinhibit update

Currently, if a counter monitoring cycle/instret is stopped via
mcountinhibit we just update the state while the value is saved
during th

target/riscv: Save counter values during countinhibit update

Currently, if a counter monitoring cycle/instret is stopped via
mcountinhibit we just update the state while the value is saved
during the next read. This is not accurate as the read may happen
many cycles after the counter is stopped. Ideally, the read should
return the value saved when the counter is stopped.

Thus, save the value of the counter during the inhibit update
operation and return that value during the read if corresponding bit
in mcountihibit is set.

Acked-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Message-ID: <20240711-smcntrpmf_v7-v8-8-b7c38ae7b263@rivosinc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

show more ...

Merge tag 'pull-riscv-to-apply-20240308-1' of https://github.com/alistair23/qemu into staging

RISC-V PR for 9.0

* Update $ra with current $pc in trans_cm_jalt
* Enable SPCR for SCPI virt machine
*

Merge tag 'pull-riscv-to-apply-20240308-1' of https://github.com/alistair23/qemu into staging

RISC-V PR for 9.0

* Update $ra with current $pc in trans_cm_jalt
* Enable SPCR for SCPI virt machine
* Allow large kernels to boot by moving the initrd further away in RAM
* Sync hwprobe keys with kernel
* Named features riscv,isa, 'svade' rework
* FIX xATP_MODE validation
* Add missing include guard in pmu.h
* Add SRAT and SLIT ACPI tables
* libqos fixes and add a riscv machine
* Add Ztso extension
* Use 'zfa' instead of 'Zfa'
* Update KVM exts to Linux 6.8
* move ratified/frozen exts to non-experimental
* Ensure mcountinhibit, mcounteren, scounteren, hcounteren are 32-bit
* mark_vs_dirty() before loads and stores
* Remove 'is_store' bool from load/store fns
* Fix shift count overflow
* Fix setipnum_le write emulation for APLIC MSI-mode
* Fix in_clrip[x] read emulation
* Fix privilege mode of G-stage translation for debugging
* Fix ACPI MCFG table for virt machine

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# -----END PGP SIGNATURE-----
# gpg: Signature made Fri 08 Mar 2024 11:10:50 GMT
# 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-20240308-1' of https://github.com/alistair23/qemu: (34 commits)
target/riscv: fix ACPI MCFG table
target/riscv: Fix privilege mode of G-stage translation for debugging
hw/intc/riscv_aplic: Fix in_clrip[x] read emulation
hw/intc/riscv_aplic: Fix setipnum_le write emulation for APLIC MSI-mode
target/riscv: Fix shift count overflow
trans_rvv.c.inc: remove 'is_store' bool from load/store fns
trans_rvv.c.inc: mark_vs_dirty() before loads and stores
target/riscv: mcountinhibit, mcounteren, scounteren, hcounteren is 32-bit
target/riscv: move ratified/frozen exts to non-experimental
target/riscv/kvm: update KVM exts to Linux 6.8
linux-headers: Update to Linux v6.8-rc6
tests: riscv64: Use 'zfa' instead of 'Zfa'
linux-user/riscv: Add Ztso extension to hwprobe
RISC-V: Add support for Ztso
tests/libqos: add riscv/virt machine nodes
hw/riscv/virt.c: make aclint compatible with 'qtest' accel
hw/riscv/virt.c: add virtio-iommu-pci hotplug support
hw/riscv/virt.c: create '/soc/pci@...' fdt node earlier
hw/riscv/virt-acpi-build.c: Add SRAT and SLIT ACPI tables
target/riscv: Add missing include guard in pmu.h
...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

target/riscv: mcountinhibit, mcounteren, scounteren, hcounteren is 32-bit

mcountinhibit, mcounteren, scounteren and hcounteren must always be 32-bit
by privileged spec

Signed-off-by: Vadim Shakirov

target/riscv: mcountinhibit, mcounteren, scounteren, hcounteren is 32-bit

mcountinhibit, mcounteren, scounteren and hcounteren must always be 32-bit
by privileged spec

Signed-off-by: Vadim Shakirov <vadim.shakirov@syntacore.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Message-ID: <20240202113919.18236-1-vadim.shakirov@syntacore.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

show more ...

Merge tag 'pull-riscv-to-apply-20240209' of https://github.com/alistair23/qemu into staging

RISC-V PR for 9.0

* Check for 'A' extension on all atomic instructions
* Add support for 'B' extension
*

Merge tag 'pull-riscv-to-apply-20240209' of https://github.com/alistair23/qemu into staging

RISC-V PR for 9.0

* Check for 'A' extension on all atomic instructions
* Add support for 'B' extension
* Internally deprecate riscv_cpu_options
* Implement optional CSR mcontext of debug Sdtrig extension
* Internally add cpu->cfg.vlenb and remove cpu->cfg.vlen
* Support vlenb and vregs[] in KVM
* RISC-V gdbstub and TCG plugin improvements
* Remove vxrm and vxsat from FCSR
* Use RISCVException as return type for all csr ops
* Use g_autofree more and fix a memory leak
* Add support for Zaamo and Zalrsc
* Support new isa extension detection devicetree properties
* SMBIOS support for RISC-V virt machine
* Enable xtheadsync under user mode
* Add rv32i,rv32e and rv64e CPUs

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# -----END PGP SIGNATURE-----
# gpg: Signature made Fri 09 Feb 2024 10:57:20 GMT
# 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-20240209' of https://github.com/alistair23/qemu: (61 commits)
target/riscv: add rv32i, rv32e and rv64e CPUs
target/riscv/cpu.c: add riscv_bare_cpu_init()
target/riscv: Enable xtheadsync under user mode
qemu-options: enable -smbios option on RISC-V
target/riscv: SMBIOS support for RISC-V virt machine
smbios: function to set default processor family
smbios: add processor-family option
target/riscv: support new isa extension detection devicetree properties
target/riscv: use misa_mxl_max to populate isa string rather than TARGET_LONG_BITS
target/riscv: Expose Zaamo and Zalrsc extensions
target/riscv: Check 'A' and split extensions for atomic instructions
target/riscv: Add Zaamo and Zalrsc extension infrastructure
hw/riscv/virt.c: use g_autofree in create_fdt_*
hw/riscv/virt.c: use g_autofree in virt_machine_init()
hw/riscv/virt.c: use g_autofree in create_fdt_virtio()
hw/riscv/virt.c: use g_autofree in create_fdt_sockets()
hw/riscv/virt.c: use g_autofree in create_fdt_socket_cpus()
hw/riscv/numa.c: use g_autofree in socket_fdt_write_distance_matrix()
hw/riscv/virt-acpi-build.c: fix leak in build_rhct()
target/riscv: Use RISCVException as return type for all csr ops
...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

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target/riscv: Move misa_mxl_max to class

misa_mxl_max is common for all instances of a RISC-V CPU class so they
are better put into class.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Re

target/riscv: Move misa_mxl_max to class

misa_mxl_max is common for all instances of a RISC-V CPU class so they
are better put into class.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20240203-riscv-v11-2-a23f4848a628@daynix.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

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Merge tag 'pull-20231230' of https://gitlab.com/rth7680/qemu into staging

Mark VMStateField and VMStateDescription arrays const.

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Merge tag 'pull-20231230' of https://gitlab.com/rth7680/qemu into staging

Mark VMStateField and VMStateDescription arrays const.

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* tag 'pull-20231230' of https://gitlab.com/rth7680/qemu: (71 commits)
docs: Constify VMstate in examples
tests/unit/test-vmstate: Constify VMState
util/fifo8: Constify VMState
replay: Constify VMState
system: Constify VMState
migration: Constify VMState
cpu-target: Constify VMState
backends: Constify VMState
audio: Constify VMState
hw/misc/macio: Constify VMState
hw/watchdog: Constify VMState
hw/virtio: Constify VMState
hw/vfio: Constify VMState
hw/usb: Constify VMState
hw/tpm: Constify VMState
hw/timer: Constify VMState
hw/ssi: Constify VMState
hw/sparc: Constify VMState
hw/sensor: Constify VMState
hw/sd: Constify VMState
...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

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target/riscv: Constify VMState in machine.c

Acked-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20231221031652.119827-1

target/riscv: Constify VMState in machine.c

Acked-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20231221031652.119827-16-richard.henderson@linaro.org>

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Merge tag 'pull-riscv-to-apply-20231107' of https://github.com/alistair23/qemu into staging

Third RISC-V PR for 8.2

* Rename ext_icboz to ext_zicboz
* Rename ext_icbom to ext_zicbom
* Rename ext

Merge tag 'pull-riscv-to-apply-20231107' of https://github.com/alistair23/qemu into staging

Third RISC-V PR for 8.2

* Rename ext_icboz to ext_zicboz
* Rename ext_icbom to ext_zicbom
* Rename ext_icsr to ext_zicsr
* Rename ext_ifencei to ext_zifencei
* Add RISC-V Virtual IRQs and IRQ filtering support
* Change default linux-user cpu to 'max'
* Update 'virt' machine core limit
* Add query-cpu-model-expansion API
* Rename epmp to smepmp and expose the extension
* Clear pmp/smepmp bits on reset
* Ignore pmp writes when RW=01
* Support zicntr/zihpm flags and disable support
* Correct CSR_MSECCFG operations
* Update mail address for Weiwei Li
* Update RISC-V vector crypto to ratified v1.0.0
* Clear the Ibex/OpenTitan SPI interrupts even if disabled
* Set the OpenTitan priv to 1.12.0
* Support discontinuous PMU counters

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* tag 'pull-riscv-to-apply-20231107' of https://github.com/alistair23/qemu: (49 commits)
docs/about/deprecated: Document RISC-V "pmu-num" deprecation
target/riscv: Add "pmu-mask" property to replace "pmu-num"
target/riscv: Use existing PMU counter mask in FDT generation
target/riscv: Don't assume PMU counters are continuous
target/riscv: Propagate error from PMU setup
target/riscv: cpu: Set the OpenTitan priv to 1.12.0
hw/ssi: ibex_spi_host: Clear the interrupt even if disabled
disas/riscv: Replace TABs with space
disas/riscv: Add support for vector crypto extensions
disas/riscv: Add rv_codec_vror_vi for vror.vi
disas/riscv: Add rv_fmt_vd_vs2_uimm format
target/riscv: Move vector crypto extensions to riscv_cpu_extensions
target/riscv: Expose Zvks[c|g] extnesion properties
target/riscv: Add cfg properties for Zvks[c|g] extensions
target/riscv: Expose Zvkn[c|g] extnesion properties
target/riscv: Add cfg properties for Zvkn[c|g] extensions
target/riscv: Expose Zvkb extension property
target/riscv: Replace Zvbb checking by Zvkb
target/riscv: Add cfg property for Zvkb extension
target/riscv: Expose Zvkt extension property
...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

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target/riscv: Add "pmu-mask" property to replace "pmu-num"

Using a mask instead of the number of PMU devices supports the accurate
emulation of platforms that have a discontinuous set of PMU counter

target/riscv: Add "pmu-mask" property to replace "pmu-num"

Using a mask instead of the number of PMU devices supports the accurate
emulation of platforms that have a discontinuous set of PMU counters.

The "pmu-num" property now generates a warning when used by the user on
the command line.

Rather than storing the value for "pmu-num" convert it directly to the
mask if it is specified (overwriting the default "pmu-mask" value)
likewise the value is calculated from the mask if the property value is
obtained.

In the unusual situation that both "pmu-mask" and "pmu-num" are provided
then then the order on the command line determines which takes
precedence (later overwriting earlier.)

Signed-off-by: Rob Bradford <rbradford@rivosinc.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20231031154000.18134-5-rbradford@rivosinc.com>
[Changes by AF
- Fixup ext_zihpm logic after rebase
]
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

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target/riscv: Add HS-mode virtual interrupt and IRQ filtering support.

This change adds support for inserting virtual interrupts from HS-mode
into VS-mode using hvien and hvip csrs. This also allows

target/riscv: Add HS-mode virtual interrupt and IRQ filtering support.

This change adds support for inserting virtual interrupts from HS-mode
into VS-mode using hvien and hvip csrs. This also allows for IRQ filtering
from HS-mode.

Also, the spec doesn't mandate the interrupt to be actually supported
in hardware. Which allows HS-mode to assert virtual interrupts to VS-mode
that have no connection to any real interrupt events.

This is defined as part of the AIA specification [0], "6.3.2 Virtual
interrupts for VS level".

[0]: https://github.com/riscv/riscv-aia/releases/download/1.0/riscv-interrupts-1.0.pdf

Signed-off-by: Rajnesh Kanwal <rkanwal@rivosinc.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-ID: <20231016111736.28721-7-rkanwal@rivosinc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

show more ...