Merge tag 'pull-tcg-20250501-v2' of https://gitlab.com/rth7680/qemu into staging

include: Remove 'exec/exec-all.h'
accel/tcg: Build tb-maint.c twice
accel/tcg: Build cpu-exec.c twice
accel/tcg: Buil

Merge tag 'pull-tcg-20250501-v2' of https://gitlab.com/rth7680/qemu into staging

include: Remove 'exec/exec-all.h'
accel/tcg: Build tb-maint.c twice
accel/tcg: Build cpu-exec.c twice
accel/tcg: Build translate-all.c twice
accel/tcg: Build tcg-all.c twice
accel/tcg: Build cputlb.c once
accel/tcg: Build user-exec.c once

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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-20250501-v2' of https://gitlab.com/rth7680/qemu: (59 commits)
accel/tcg: Build user-exec.c once
accel/tcg: Avoid abi_ptr in user-exec.c
accel/tcg: Remove TARGET_PAGE_DATA_SIZE
accel/tcg: Move TARGET_TAGGED_ADDRESSES to TCGCPUOps.untagged_addr
include/user: Use vaddr in guest-host.h
include/user: Convert GUEST_ADDR_MAX to a variable
accel/tcg: Build cputlb.c once
accel/tcg: Use vaddr for plugin_{load,store}_cb
accel/tcg: Use target_long_bits() in cputlb.c
accel/tcg: Move tlb_vaddr_to_host declaration to probe.h
accel/tcg: Move user-only tlb_vaddr_to_host out of line
accel/tcg: Use vaddr in cpu_loop.h
accel/tcg: Build tcg-all.c twice
accel/tcg: Build translate-all.c twice
accel/tcg: Use target_long_bits() in translate-all.c
accel/tcg: Don't use TARGET_LONG_BITS in decode_sleb128
tcg: Define INSN_START_WORDS as constant 3
qemu: Introduce target_long_bits()
qemu/target_info: Add %target_cpu_type field to TargetInfo
system/vl: Filter machine list available for a particular target binary
...

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

show more ...

include: Remove 'exec/exec-all.h'

"exec/exec-all.h" is now fully empty, let's remove it.

Mechanical change running:

$ sed -i '/exec\/exec-all.h/d' $(git grep -wl exec/exec-all.h)

Signed-off-by:

include: Remove 'exec/exec-all.h'

"exec/exec-all.h" is now fully empty, let's remove it.

Mechanical change running:

$ sed -i '/exec\/exec-all.h/d' $(git grep -wl exec/exec-all.h)

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Mark Cave-Ayland <mark.caveayland@nutanix.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20250424202412.91612-14-philmd@linaro.org>

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 ...

exec/cpu-all: remove system/memory include

We include this header where needed. When includes set already have
ifdef CONFIG_USER_ONLY, we add it here, else, we don't condition the
include.

Reviewed

exec/cpu-all: remove system/memory include

We include this header where needed. When includes set already have
ifdef CONFIG_USER_ONLY, we add it here, else, we don't condition the
include.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20250325045915.994760-5-pierrick.bouvier@linaro.org>

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: 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-ppc-for-9.2-1-20241104' of https://gitlab.com/npiggin/qemu into staging

* Various bug fixes
* Big cleanup of deprecated machines
* Power11 support for spapr
* XIVE improvements
* Goo

Merge tag 'pull-ppc-for-9.2-1-20241104' of https://gitlab.com/npiggin/qemu into staging

* Various bug fixes
* Big cleanup of deprecated machines
* Power11 support for spapr
* XIVE improvements
* Goodbye to Cedric and David as ppc reviewers, thank you both o7

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# gpg: using RSA key 4E437DDA56616F4329B0A79567B30276A8621CAE
# gpg: Good signature from "Nicholas Piggin <npiggin@gmail.com>" [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: 4E43 7DDA 5661 6F43 29B0 A795 67B3 0276 A862 1CAE

* tag 'pull-ppc-for-9.2-1-20241104' of https://gitlab.com/npiggin/qemu: (67 commits)
MAINTAINERS: Remove myself as reviewer
MAINTAINERS: Remove myself from XIVE
MAINTAINERS: Remove myself from the PowerNV machines
hw/ppc: Consolidate ppc440 initial mapping creation functions
hw/ppc: Consolidate e500 initial mapping creation functions
tests/qtest: Add XIVE tests for the powernv10 machine
pnv/xive2: TIMA CI ops using alternative offsets or byte lengths
pnv/xive2: TIMA support for 8-byte OS context push for PHYP
pnv/xive: Update PIPR when updating CPPR
pnv/xive: Add special handling for pool targets
ppc/xive2: Support "Pull Thread Context to Odd Thread Reporting Line"
ppc/xive2: Change context/ring specific functions to be generic
ppc/xive2: Support "Pull Thread Context to Register" operation
ppc/xive2: Allow 1-byte write of Target field in TIMA
ppc/xive2: Dump the VP-group and crowd tables with 'info pic'
ppc/xive2: Dump more NVP state with 'info pic'
pnv/xive2: Support for "OS LGS Push" TIMA operation
ppc/xive2: Support TIMA "Pull OS Context to Odd Thread Reporting Line"
pnv/xive2: Define OGEN field in the TIMA
pnv/xive: TIMA patch sets pre-req alignment and formatting changes
...

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

show more ...

target/ppc: Fix VRMA to not check virtual page class key protection

Hash virtual real mode addressing is defined by the architecture
to not perform virtual page class key protection checks.

Reviewe

target/ppc: Fix VRMA to not check virtual page class key protection

Hash virtual real mode addressing is defined by the architecture
to not perform virtual page class key protection checks.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>

show more ...

Merge tag 'pull-ppc-for-9.1-2-20240726-1' of https://gitlab.com/npiggin/qemu into staging

fixes

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Merge tag 'pull-ppc-for-9.1-2-20240726-1' of https://gitlab.com/npiggin/qemu into staging

fixes

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# gpg: using RSA key 4E437DDA56616F4329B0A79567B30276A8621CAE
# gpg: Good signature from "Nicholas Piggin <npiggin@gmail.com>" [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: 4E43 7DDA 5661 6F43 29B0 A795 67B3 0276 A862 1CAE

* tag 'pull-ppc-for-9.1-2-20240726-1' of https://gitlab.com/npiggin/qemu: (96 commits)
target/ppc: Remove includes from mmu-book3s-v3.h
target/ppc/mmu-radix64: Remove externally unused parts from header
target/ppc: Unexport some functions from mmu-book3s-v3.h
target/ppc/mmu-hash32.c: Move get_pteg_offset32() to the header
target/ppc/mmu-hash32.c: Inline and remove ppc_hash32_pte_raddr()
target/ppc/mmu_common.c: Remove mmu_ctx_t
target/ppc/mmu_common.c: Stop using ctx in get_bat_6xx_tlb()
target/ppc: Remove bat_size_prot()
target/ppc/mmu_common.c: Use defines instead of numeric constants
target/ppc/mmu_common.c: Rename function parameter
target/ppc/mmu_common.c: Stop using ctx in ppc6xx_tlb_check()
target/ppc/mmu_common.c: Remove key field from mmu_ctx_t
target/ppc/mmu_common.c: Init variable in function that relies on it
target/ppc/mmu-hash32.c: Inline and remove ppc_hash32_pte_prot()
target/ppc: Add function to get protection key for hash32 MMU
target/ppc/mmu_common.c: Remove ptem field from mmu_ctx_t
target/ppc/mmu_common.c: Inline and remove ppc6xx_tlb_pte_check()
target/ppc/mmu_common.c: Simplify a switch statement
target/ppc/mmu_common.c: Remove single use local variable
target/ppc/mmu_common.c: Convert local variable to bool
...

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

show more ...

target/ppc: Remove includes from mmu-book3s-v3.h

Drop includes from header that is not needed by the header itself and
only include them from C files that really need it.

Signed-off-by: BALATON Zol

target/ppc: Remove includes from mmu-book3s-v3.h

Drop includes from header that is not needed by the header itself and
only include them from C files that really need it.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Acked-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>

show more ...

target/ppc: Unexport some functions from mmu-book3s-v3.h

The ppc_hash64_hpt_base() and ppc_hash64_hpt_mask() functions are
mostly used by mmu-hash64.c only but there is one call to
ppc_hash64_hpt_ma

target/ppc: Unexport some functions from mmu-book3s-v3.h

The ppc_hash64_hpt_base() and ppc_hash64_hpt_mask() functions are
mostly used by mmu-hash64.c only but there is one call to
ppc_hash64_hpt_mask() in hw/ppc/spapr_vhyp_mmu.c.in a helper function
that can be moved to mmu-hash64.c which allows these functions to be
removed from the header.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>

show more ...

Merge tag 'pull-ppc-for-9.1-1-20240524-1' of https://gitlab.com/npiggin/qemu into staging

*** NOTE ***
This replaces the previous PR for tags/pull-ppc-for-9.1-1-20240524

* Fix an interesting TLB in

Merge tag 'pull-ppc-for-9.1-1-20240524-1' of https://gitlab.com/npiggin/qemu into staging

*** NOTE ***
This replaces the previous PR for tags/pull-ppc-for-9.1-1-20240524

* Fix an interesting TLB invalidate race
* Implement more instructions with decodetree
* Add the POWER8/9/10 BHRB facility
* Add missing instructions, registers, SMT support
* First round of a big MMU xlate cleanup

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# gpg: Good signature from "Nicholas Piggin <npiggin@gmail.com>" [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: 4E43 7DDA 5661 6F43 29B0 A795 67B3 0276 A862 1CAE

* tag 'pull-ppc-for-9.1-1-20240524-1' of https://gitlab.com/npiggin/qemu: (72 commits)
target/ppc: Remove pp_check() and reuse ppc_hash32_pp_prot()
target/ppc: Move out BookE and related MMU functions from mmu_common.c
target/ppc: Add a function to check for page protection bit
target/ppc/mmu-radix64.c: Drop a local variable
target/ppc/mmu-hash32.c: Drop a local variable
target/ppc: Split off common embedded TLB init
target/ppc: Remove id_tlbs flag from CPU env
target/ppc: Move mmu_ctx_t type to mmu_common.c
target/ppc: Transform ppc_jumbo_xlate() into ppc_6xx_xlate()
target/ppc: Split off 40x cases from ppc_jumbo_xlate()
target/ppc: Split off real mode handling from get_physical_address_wtlb()
target/ppc: Simplify ppc_booke_xlate() part 2
target/ppc: Simplify ppc_booke_xlate() part 1
target/ppc: Split off BookE handling from ppc_jumbo_xlate()
target/ppc: Remove BookE from direct store handling
target/ppc: Don't use mmu_ctx_t in mmubooke206_get_physical_address()
target/ppc: Don't use mmu_ctx_t in mmubooke_get_physical_address()
target/ppc: Don't use mmu_ctx_t for mmu40x_get_physical_address()
target/ppc: Replace hard coded constants in ppc_jumbo_xlate()
target/ppc: Deindent ppc_jumbo_xlate()
...

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

show more ...

target/ppc: Add a function to check for page protection bit

Checking if a page protection bit is set for a given access type is a
common operation. Add a function to avoid repeating the same check a

target/ppc: Add a function to check for page protection bit

Checking if a page protection bit is set for a given access type is a
common operation. Add a function to avoid repeating the same check at
multiple places. As this relies on access type and page protection bit
values having certain relation also add an assert to ensure that this
assumption holds.

Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>

show more ...

spapr: avoid overhead of finding vhyp class in critical operations

PPC_VIRTUAL_HYPERVISOR_GET_CLASS is used in critical operations like
interrupts and TLB misses and is quite costly. Running the
kvm

spapr: avoid overhead of finding vhyp class in critical operations

PPC_VIRTUAL_HYPERVISOR_GET_CLASS is used in critical operations like
interrupts and TLB misses and is quite costly. Running the
kvm-unit-tests sieve program with radix MMU enabled thrashes the TCG
TLB and spends a lot of time in TLB and page table walking code. The
test takes 67 seconds to complete with a lot of time being spent in
code related to finding the vhyp class:

12.01% [.] g_str_hash
8.94% [.] g_hash_table_lookup
8.06% [.] object_class_dynamic_cast
6.21% [.] address_space_ldq
4.94% [.] __strcmp_avx2
4.28% [.] tlb_set_page_full
4.08% [.] address_space_translate_internal
3.17% [.] object_class_dynamic_cast_assert
2.84% [.] ppc_radix64_xlate

Keep a pointer to the class and avoid this lookup. This reduces the
execution time to 40 seconds.

Reviewed-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>

show more ...

Merge tag 'hw-misc-20240508' of https://github.com/philmd/qemu into staging

Misc HW patches

- Few more g_memdup() replaced by safer g_memdup2() wrapper (Phil)
- Endianness access fixed in vfio-user

Merge tag 'hw-misc-20240508' of https://github.com/philmd/qemu into staging

Misc HW patches

- Few more g_memdup() replaced by safer g_memdup2() wrapper (Phil)
- Endianness access fixed in vfio-user config space (Mattias)
- Replace qemu_mutex_lock() -> QEMU_LOCK_GUARD in system/physmem (Phil)
- Per-AddressSpace bounce buffering (Mattias)
- Allow to compile x86 PC machines without Floppy Controller (Thomas)
- Cleanups around i386 "isa-bios" memory regions (Bernhard)
- Remove unused usb rndis_config_parameter structure (David)
- Migrate missing clock in STM32L4x5 GPIOs (Inès)
- Deprecate PPC 'ref405ep' machine and 405 CPUs (Cédric)
- Memory leak fixed in Loongarch Virt machine (Song Gao)
- hw/loongarch/ code moved around (Paolo & Bibo Mao)
- Emulate S3 suspend in loongson3_virt machine (Jiaxun)
- Implement IOCSR address space in Loongson IPI (Jiaxun)
- Use QEMU header path relative to include/ directory (Phil)

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# gpg: Signature made Thu 09 May 2024 12:12:40 AM CEST
# gpg: using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [full]

* tag 'hw-misc-20240508' of https://github.com/philmd/qemu: (28 commits)
misc: Use QEMU header path relative to include/ directory
hw/intc/loongson_ipi: Implement IOCSR address space for MIPS
hw/intc/loongarch_ipi: Rename as loongson_ipi
hw/intc/loongarch_ipi: Remove pointless MAX_CPU check
hw/mips/loongson3_virt: Emulate suspend function
hw/loongarch: Rename LoongArchMachineState with LoongArchVirtMachineState
hw/loongarch: Rename LOONGARCH_MACHINE with LOONGARCH_VIRT_MACHINE
hw/loongarch/virt: Fix memory leak
hw/loongarch: move memory map to boot.c
hw/ppc: Deprecate 'ref405ep' machine and 405 CPUs
hw/gpio: Handle clock migration in STM32L4x5 gpios
hw/usb/dev-network: Remove unused struct 'rndis_config_parameter'
hw/i386/x86: Extract x86_isa_bios_init() from x86_bios_rom_init()
hw/i386/x86: Don't leak "pc.bios" memory region
hw/i386/x86: Don't leak "isa-bios" memory regions
hw/i386: Have x86_bios_rom_init() take X86MachineState rather than MachineState
hw/i386/x86: Eliminate two if statements in x86_bios_rom_init()
hw/i386: Add the possibility to use i440fx and isapc without FDC
hw/i386/Kconfig: Allow to compile Q35 without FDC_ISA
hw/i386/pc: Allow to compile without CONFIG_FDC_ISA
...

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

show more ...

target/ppc: Replace g_memdup() by g_memdup2()

Per https://discourse.gnome.org/t/port-your-module-from-g-memdup-to-g-memdup2-now/5538

The old API took the size of the memory to duplicate as a guin

target/ppc: Replace g_memdup() by g_memdup2()

Per https://discourse.gnome.org/t/port-your-module-from-g-memdup-to-g-memdup2-now/5538

The old API took the size of the memory to duplicate as a guint,
whereas most memory functions take memory sizes as a gsize. This
made it easy to accidentally pass a gsize to g_memdup(). For large
values, that would lead to a silent truncation of the size from 64
to 32 bits, and result in a heap area being returned which is
significantly smaller than what the caller expects. This can likely
be exploited in various modules to cause a heap buffer overflow.

Replace g_memdup() by the safer g_memdup2() wrapper.

Trivially safe because the argument was directly from sizeof.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Message-Id: <20210903174510.751630-27-philmd@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>

show more ...

Merge tag 'accel-20240506' of https://github.com/philmd/qemu into staging

Accelerator patches

- Extract page-protection definitions to page-protection.h
- Rework in accel/tcg in preparation of extr

Merge tag 'accel-20240506' of https://github.com/philmd/qemu into staging

Accelerator patches

- Extract page-protection definitions to page-protection.h
- Rework in accel/tcg in preparation of extracting TCG fields from CPUState
- More uses of get_task_state() in user emulation
- Xen refactors in preparation for adding multiple map caches (Juergen & Edgar)
- MAINTAINERS updates (Aleksandar and Bin)

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# gpg: Signature made Mon 06 May 2024 05:42:08 AM PDT
# gpg: using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [full]

* tag 'accel-20240506' of https://github.com/philmd/qemu: (28 commits)
MAINTAINERS: Update my email address
MAINTAINERS: Update Aleksandar Rikalo email
system: Pass RAM MemoryRegion and is_write in xen_map_cache()
xen: mapcache: Break out xen_map_cache_init_single()
xen: mapcache: Break out xen_invalidate_map_cache_single()
xen: mapcache: Refactor xen_invalidate_map_cache_entry_unlocked
xen: mapcache: Refactor xen_replace_cache_entry_unlocked
xen: mapcache: Break out xen_ram_addr_from_mapcache_single
xen: mapcache: Refactor xen_remap_bucket for multi-instance
xen: mapcache: Refactor xen_map_cache for multi-instance
xen: mapcache: Refactor lock functions for multi-instance
xen: let xen_ram_addr_from_mapcache() return -1 in case of not found entry
system: let qemu_map_ram_ptr() use qemu_ram_ptr_length()
user: Use get_task_state() helper
user: Declare get_task_state() once in 'accel/tcg/vcpu-state.h'
user: Forward declare TaskState type definition
accel/tcg: Move @plugin_mem_cbs from CPUState to CPUNegativeOffsetState
accel/tcg: Restrict cpu_plugin_mem_cbs_enabled() to TCG
accel/tcg: Restrict qemu_plugin_vcpu_exit_hook() to TCG plugins
accel/tcg: Update CPUNegativeOffsetState::can_do_io field documentation
...

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

show more ...

exec/cpu: Extract page-protection definitions to page-protection.h

Extract page-protection definitions from "exec/cpu-all.h"
to "exec/page-protection.h".

The list of files requiring the new header

exec/cpu: Extract page-protection definitions to page-protection.h

Extract page-protection definitions from "exec/cpu-all.h"
to "exec/page-protection.h".

The list of files requiring the new header was generated
using:

$ git grep -wE \
'PAGE_(READ|WRITE|EXEC|RWX|VALID|ANON|RESERVED|TARGET_.|PASSTHROUGH)'

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Nicholas Piggin <npiggin@gmail.com>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240427155714.53669-3-philmd@linaro.org>

show more ...

Merge tag 'pull-ppc-20230804' of https://gitlab.com/danielhb/qemu into staging

ppc patch queue for 2023-08-04:

This queue contains target/ppc register and VRMA fixes for 8.1. pegasos2
fixes are als

Merge tag 'pull-ppc-20230804' of https://gitlab.com/danielhb/qemu into staging

ppc patch queue for 2023-08-04:

This queue contains target/ppc register and VRMA fixes for 8.1. pegasos2
fixes are also included.

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# gpg: Signature made Fri 04 Aug 2023 08:26:26 AM PDT
# gpg: using EDDSA key 17EBFF9923D01800AF2838193CD9CA96DE033164
# gpg: issuer "danielhb413@gmail.com"
# gpg: Good signature from "Daniel Henrique Barboza <danielhb413@gmail.com>" [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: 17EB FF99 23D0 1800 AF28 3819 3CD9 CA96 DE03 3164

* tag 'pull-ppc-20230804' of https://gitlab.com/danielhb/qemu:
target/ppc: Fix VRMA page size for ISA v3.0
target/ppc: Fix pending HDEC when entering PM state
target/ppc: Implement ASDR register for ISA v3.0 for HPT
ppc/pegasos2: Fix reg property of 64 bit BARs in device tree
ppc/pegasos2: Fix naming of device tree nodes
ppc/pegasos2: Fix reg property of ROM BARs
ppc/pegasos2: Fix reset state of USB functions

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

show more ...

target/ppc: Fix VRMA page size for ISA v3.0

Until v2.07s, the VRMA page size (L||LP) was encoded in LPCR[VRMASD].
In v3.0 that moved to the partition table PS field.

The powernv machine can now run

target/ppc: Fix VRMA page size for ISA v3.0

Until v2.07s, the VRMA page size (L||LP) was encoded in LPCR[VRMASD].
In v3.0 that moved to the partition table PS field.

The powernv machine can now run KVM HPT guests on POWER9/10 CPUs with
this fix and the patch to add ASDR.

Fixes: 3367c62f522b ("target/ppc: Support for POWER9 native hash")
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-ID: <20230730111842.39292-1-npiggin@gmail.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>

show more ...

target/ppc: Implement ASDR register for ISA v3.0 for HPT

The ASDR register was introduced in ISA v3.0. It has not been
implemented for HPT. With HPT, ASDR is the format of the slbmte RS
operand (con

target/ppc: Implement ASDR register for ISA v3.0 for HPT

The ASDR register was introduced in ISA v3.0. It has not been
implemented for HPT. With HPT, ASDR is the format of the slbmte RS
operand (containing VSID), which matches the ppc_slb_t field.

Fixes: 3367c62f522b ("target/ppc: Support for POWER9 native hash")
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-ID: <20230726182230.433945-2-npiggin@gmail.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>

show more ...

Merge tag 'pull-request-2023-01-18' of https://gitlab.com/thuth/qemu into staging

* Fix the FreeBSD CI jobs in Gitlab by upgrading the packages in the beginning
* Fix the Haiku VM test by updating i

Merge tag 'pull-request-2023-01-18' of https://gitlab.com/thuth/qemu into staging

* Fix the FreeBSD CI jobs in Gitlab by upgrading the packages in the beginning
* Fix the Haiku VM test by updating it to r1beta4
* Allow "make uninstall"
* Rename TARGET_FMT_plx to HWADDR_FMT_plx
* Some small qtest fixes/improvements
* Check for valid amount of CPUs before starting a secure execution s390x guest

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# gpg: Signature made Wed 18 Jan 2023 11:31:30 GMT
# gpg: using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg: issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg: aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg: aka "Thomas Huth <huth@tuxfamily.org>" [full]
# gpg: aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3 EAB9 2ED9 D774 FE70 2DB5

* tag 'pull-request-2023-01-18' of https://gitlab.com/thuth/qemu:
s390x/pv: Implement a CGS check helper
tests/vm/haiku.x86_64: Update the Haiku VM to Beta 4
tests/qtest/libqos/e1000e: Remove duplicate register definitions
tests/qtest/e1000e-test: Fix the code style
tests/qtest: Restrict bcm2835-dma-test to CONFIG_RASPI
MAINTAINERS: Remove bouncing mail address from Kamil Rytarowski
bulk: Rename TARGET_FMT_plx -> HWADDR_FMT_plx
Makefile: allow 'make uninstall'
Upgrade all packages in the FreeBSD VMs to ensure the freshness

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

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bulk: Rename TARGET_FMT_plx -> HWADDR_FMT_plx

The 'hwaddr' type is defined in "exec/hwaddr.h" as:

hwaddr is the type of a physical address
(its size can be different from 'target_ulong').

A

bulk: Rename TARGET_FMT_plx -> HWADDR_FMT_plx

The 'hwaddr' type is defined in "exec/hwaddr.h" as:

hwaddr is the type of a physical address
(its size can be different from 'target_ulong').

All definitions use the 'HWADDR_' prefix, except TARGET_FMT_plx:

$ fgrep define include/exec/hwaddr.h
#define HWADDR_H
#define HWADDR_BITS 64
#define HWADDR_MAX UINT64_MAX
#define TARGET_FMT_plx "%016" PRIx64
^^^^^^
#define HWADDR_PRId PRId64
#define HWADDR_PRIi PRIi64
#define HWADDR_PRIo PRIo64
#define HWADDR_PRIu PRIu64
#define HWADDR_PRIx PRIx64
#define HWADDR_PRIX PRIX64

Since hwaddr's size can be *different* from target_ulong, it is
very confusing to read one of its format using the 'TARGET_FMT_'
prefix, normally used for the target_long / target_ulong types:

$ fgrep TARGET_FMT_ include/exec/cpu-defs.h
#define TARGET_FMT_lx "%08x"
#define TARGET_FMT_ld "%d"
#define TARGET_FMT_lu "%u"
#define TARGET_FMT_lx "%016" PRIx64
#define TARGET_FMT_ld "%" PRId64
#define TARGET_FMT_lu "%" PRIu64

Apparently this format was missed during commit a8170e5e97
("Rename target_phys_addr_t to hwaddr"), so complete it by
doing a bulk-rename with:

$ sed -i -e s/TARGET_FMT_plx/HWADDR_FMT_plx/g $(git grep -l TARGET_FMT_plx)

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230110212947.34557-1-philmd@linaro.org>
[thuth: Fix some warnings from checkpatch.pl along the way]
Signed-off-by: Thomas Huth <thuth@redhat.com>

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Merge tag 'pull-ppc-20220718' of https://gitlab.com/danielhb/qemu into staging

ppc patch queue for 2022-07-18:

This is the last ppc patch queue before the soft freeze. It contains new
TCG instructi

Merge tag 'pull-ppc-20220718' of https://gitlab.com/danielhb/qemu into staging

ppc patch queue for 2022-07-18:

This is the last ppc patch queue before the soft freeze. It contains new
TCG instructions and changes, a tricky bug fix in kvmppc_find_cpu_dt()
and other enhancements/fixes.

- tcg and target/ppc:
- move instructions to decodetree
- check for bad Radix configs
- ISA 3.00 tlbie[l]
- fix gen_*_exception error codes
- check fortb_env != 0 when printing TBU/TBL/DECR
- fix kvmppc_find_cpu_dt() returning the wrong CPU DT path when there's a
'clock-frequency' property in the root node
- spapr, e500: pass a random seed in /chosen/rng-seed
- all boards: allocate IRQ lines with qdev_init_gpio_in()

# gpg: Signature made Mon 18 Jul 2022 18:19:58 BST
# gpg: using EDDSA key 17EBFF9923D01800AF2838193CD9CA96DE033164
# gpg: Good signature from "Daniel Henrique Barboza <danielhb413@gmail.com>" [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: 17EB FF99 23D0 1800 AF28 3819 3CD9 CA96 DE03 3164

* tag 'pull-ppc-20220718' of https://gitlab.com/danielhb/qemu: (30 commits)
target/ppc: Check page dir/table base alignment
target/ppc: Improve Radix xlate level validation
ppc: Check partition and process table alignment
target/ppc: check tb_env != 0 before printing TBU/TBL/DECR
target/ppc: Implement slbiag
target/ppc: Move slbsync to decodetree
target/ppc: Move slbfee to decodetree
target/ppc: Move slbmfee to decodetree
target/ppc: Move slbmfev to decodetree
target/ppc: Move slbmte to decodetree
target/ppc: Move slbia to decodetree
target/ppc: Move slbieg to decodetree
target/ppc: Move slbie to decodetree
target/ppc: add macros to check privilege level
target/ppc: receive DisasContext explicitly in GEN_PRIV
target/ppc: Implement ISA 3.00 tlbie[l]
target/ppc: Move tlbie[l] to decode tree
target/ppc: fix exception error code in spr_write_excp_vector
target/ppc: fix PMU Group A register read/write exceptions
target/ppc: fix exception error code in helper_{load, store}_dcr
...

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

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target/ppc: Implement slbiag

Reviewed-by: Leandro Lupori <leandro.lupori@eldorado.org.br>
Signed-off-by: Lucas Coutinho <lucas.coutinho@eldorado.org.br>
Message-Id: <20220701133507.740619-12-lucas.c

target/ppc: Implement slbiag

Reviewed-by: Leandro Lupori <leandro.lupori@eldorado.org.br>
Signed-off-by: Lucas Coutinho <lucas.coutinho@eldorado.org.br>
Message-Id: <20220701133507.740619-12-lucas.coutinho@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>

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