Merge tag 'single-binary-20241015' of https://github.com/philmd/qemu into staging

Remove some target-specific endianness knowledge from target/.

For MIPS, propagate endianness at the board level, u

Merge tag 'single-binary-20241015' of https://github.com/philmd/qemu into staging

Remove some target-specific endianness knowledge from target/.

For MIPS, propagate endianness at the board level, using QOM property.

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* tag 'single-binary-20241015' of https://github.com/philmd/qemu: (33 commits)
hw/mips: Have mips_cpu_create_with_clock() take an endianness argument
hw/mips/cps: Set the vCPU 'cpu-big-endian' property
target/mips: Expose MIPSCPU::is_big_endian property
target/mips: Use tcg_constant_tl() instead of tcg_gen_movi_tl()
target/mips: Use gen_op_addr_addi() when possible
target/mips: Have gen_addiupc() expand $pc during translation
target/mips: Replace MO_TE by mo_endian()
target/mips: Introduce mo_endian() helper
target/mips: Remove unused MEMOP_IDX() macro
target/mips: Rename unused sysemu argument of OP_LD_ATOMIC()
target/mips: Explode MO_TExx -> MO_TE | MO_xx
target/mips: Factor mo_endian_rev() out of MXU code
target/mips: Convert mips16e decr_and_load/store() macros to functions
target/mips: Replace MO_TE by mo_endian_env() in get_pte()
target/mips: Introduce mo_endian_env() helper
target/mips: Rename cpu_is_bigendian() -> disas_is_bigendian()
target/mips: Declare mips_env_is_bigendian() in 'internal.h'
hw/xtensa/xtfpga: Remove TARGET_BIG_ENDIAN #ifdef'ry
target/ppc: Use tcg_constant_tl() instead of tcg_gen_movi_tl()
target/tricore: Use tcg_constant_tl() instead of tcg_gen_movi_tl()
...

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

show more ...

linux-user/i386: Use explicit little-endian LD/ST API

The x86 architecture uses little endianness. Directly use
the little-endian LD/ST API.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org

linux-user/i386: Use explicit little-endian LD/ST API

The x86 architecture uses little endianness. Directly use
the little-endian LD/ST API.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20241003234211.53644-4-philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

Merge tag 'pull-lu-20240526' of https://gitlab.com/rth7680/qemu into staging

target/i386: Introduce X86Access and use for xsave and friends
linux-user/i386: Fix allocation and alignment of fp state

Merge tag 'pull-lu-20240526' of https://gitlab.com/rth7680/qemu into staging

target/i386: Introduce X86Access and use for xsave and friends
linux-user/i386: Fix allocation and alignment of fp state in signal frame

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# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [ultimate]

* tag 'pull-lu-20240526' of https://gitlab.com/rth7680/qemu: (28 commits)
target/i386: Pass host pointer and size to cpu_x86_{xsave,xrstor}
target/i386: Pass host pointer and size to cpu_x86_{fxsave,fxrstor}
target/i386: Pass host pointer and size to cpu_x86_{fsave,frstor}
target/i386: Convert do_xrstor to X86Access
target/i386: Convert do_xsave to X86Access
linux-user/i386: Honor xfeatures in xrstor_sigcontext
linux-user/i386: Fix allocation and alignment of fp state
linux-user/i386: Return boolean success from xrstor_sigcontext
linux-user/i386: Return boolean success from restore_sigcontext
linux-user/i386: Fix -mregparm=3 for signal delivery
linux-user/i386: Split out struct target_fregs_state
linux-user/i386: Replace target_fpstate_fxsave with X86LegacyXSaveArea
linux-user/i386: Remove xfeatures from target_fpstate_fxsave
linux-user/i386: Drop xfeatures_size from sigcontext arithmetic
target/i386: Add {hw,sw}_reserved to X86LegacyXSaveArea
target/i386: Add rbfm argument to cpu_x86_{xsave,xrstor}
target/i386: Split out do_xsave_chk
target/i386: Convert do_xrstor_* to X86Access
target/i386: Convert do_xsave_* to X86Access
tagret/i386: Convert do_fxsave, do_fxrstor to X86Access
...

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

show more ...

target/i386: Pass host pointer and size to cpu_x86_{xsave,xrstor}

We have already validated the memory region in the course of
validating the signal frame. No need to do it again within
the helper

target/i386: Pass host pointer and size to cpu_x86_{xsave,xrstor}

We have already validated the memory region in the course of
validating the signal frame. No need to do it again within
the helper function.

In addition, return failure when the header contains invalid
xstate_bv. The kernel handles this via exception handling
within XSTATE_OP within xrstor_from_user_sigframe.

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

target/i386: Pass host pointer and size to cpu_x86_{fxsave,fxrstor}

We have already validated the memory region in the course of
validating the signal frame. No need to do it again within
the helpe

target/i386: Pass host pointer and size to cpu_x86_{fxsave,fxrstor}

We have already validated the memory region in the course of
validating the signal frame. No need to do it again within
the helper function.

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

target/i386: Pass host pointer and size to cpu_x86_{fsave,frstor}

We have already validated the memory region in the course of
validating the signal frame. No need to do it again within
the helper

target/i386: Pass host pointer and size to cpu_x86_{fsave,frstor}

We have already validated the memory region in the course of
validating the signal frame. No need to do it again within
the helper function.

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

target/i386: Convert do_xsave to X86Access

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

linux-user/i386: Honor xfeatures in xrstor_sigcontext

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

linux-user/i386: Fix allocation and alignment of fp state

For modern cpus, the kernel uses xsave to store all extra
cpu state across the signal handler. For xsave/xrstor to
work, the pointer must b

linux-user/i386: Fix allocation and alignment of fp state

For modern cpus, the kernel uses xsave to store all extra
cpu state across the signal handler. For xsave/xrstor to
work, the pointer must be 64 byte aligned. Moreover, the
regular part of the signal frame must be 16 byte aligned.

Attempt to mirror the kernel code as much as possible.
Use enum FPStateKind instead of use_xsave() and use_fxsr().

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1648
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

linux-user/i386: Return boolean success from xrstor_sigcontext

Invert the sense of the return value and use bool.

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Richard Henderson <

linux-user/i386: Return boolean success from xrstor_sigcontext

Invert the sense of the return value and use bool.

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

linux-user/i386: Return boolean success from restore_sigcontext

Invert the sense of the return value and use bool.

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Richard Henderson

linux-user/i386: Return boolean success from restore_sigcontext

Invert the sense of the return value and use bool.

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

linux-user/i386: Fix -mregparm=3 for signal delivery

Since v2.6.19, the kernel has supported -mregparm=3.

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

linux-user/i386: Split out struct target_fregs_state

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

linux-user/i386: Replace target_fpstate_fxsave with X86LegacyXSaveArea

Use the structure definition from target/i386/cpu.h.
The only minor quirk is re-casting the sw_reserved
area to the OS specific

linux-user/i386: Replace target_fpstate_fxsave with X86LegacyXSaveArea

Use the structure definition from target/i386/cpu.h.
The only minor quirk is re-casting the sw_reserved
area to the OS specific struct target_fpx_sw_bytes.

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

linux-user/i386: Remove xfeatures from target_fpstate_fxsave

This is easily computed by advancing past the structure.
At the same time, replace the magic number "64".

Reviewed-by: Paolo Bonzini <pb

linux-user/i386: Remove xfeatures from target_fpstate_fxsave

This is easily computed by advancing past the structure.
At the same time, replace the magic number "64".

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

linux-user/i386: Drop xfeatures_size from sigcontext arithmetic

This is subtracting sizeof(target_fpstate_fxsave) in
TARGET_FXSAVE_SIZE, then adding it again via &fxsave->xfeatures.
Perform the same

linux-user/i386: Drop xfeatures_size from sigcontext arithmetic

This is subtracting sizeof(target_fpstate_fxsave) in
TARGET_FXSAVE_SIZE, then adding it again via &fxsave->xfeatures.
Perform the same computation using xstate_size alone.

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

target/i386: Add rbfm argument to cpu_x86_{xsave,xrstor}

For now, continue to pass all 1's from signal.c.

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Richard Henderson <richard.

target/i386: Add rbfm argument to cpu_x86_{xsave,xrstor}

For now, continue to pass all 1's from signal.c.

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

Merge tag 'accel-20240426' of https://github.com/philmd/qemu into staging

Accelerators patches

A lot of trivial cleanups and simplifications (moving methods around,
adding/removing #include stateme

Merge tag 'accel-20240426' of https://github.com/philmd/qemu into staging

Accelerators patches

A lot of trivial cleanups and simplifications (moving methods around,
adding/removing #include statements). Most notable changes:

- Rename NEED_CPU_H -> COMPILING_PER_TARGET
- Rename few template headers using the '.h.inc' suffix
- Extract some definitions / declarations into their own header:
- accel/tcg/user-retaddr.h (helper_retaddr)
- include/exec/abi_ptr.h (abi_ptr)
- include/exec/breakpoint.h (CPUBreakpoint, CPUWatchpoint)
- include/exec/mmu-access-type.h (MMUAccessType)
- include/user/tswap-target.h (tswapl, bswaptls)

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# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [full]

* tag 'accel-20240426' of https://github.com/philmd/qemu: (38 commits)
plugins: Include missing 'qemu/bitmap.h' header
hw/core: Avoid including the full 'hw/core/cpu.h' in 'tcg-cpu-ops.h'
exec: Move CPUTLBEntry helpers to cputlb.c
exec: Restrict inclusion of 'user/guest-base.h'
exec: Rename 'exec/user/guest-base.h' as 'user/guest-base.h'
exec: Restrict 'cpu_ldst.h' to TCG accelerator
exec: Restrict TCG specific declarations of 'cputlb.h'
exec: Declare CPUBreakpoint/CPUWatchpoint type in 'breakpoint.h' header
exec: Declare MMUAccessType type in 'mmu-access-type.h' header
exec: Declare abi_ptr type in its own 'abi_ptr.h' header
exec/user: Do not include 'cpu.h' in 'abitypes.h'
exec: Move [b]tswapl() declarations to 'exec/user/tswap-target.h'
exec: Declare target_words_bigendian() in 'exec/tswap.h'
exec/cpu-all: Remove unused tswapls() definitions
exec/cpu-all: Remove unused 'qemu/thread.h' header
exec/cpu-all: Reduce 'qemu/rcu.h' header inclusion
accel/hvf: Use accel-specific per-vcpu @dirty field
accel/nvmm: Use accel-specific per-vcpu @dirty field
accel/whpx: Use accel-specific per-vcpu @dirty field
accel/tcg: Rename helper-head.h -> helper-head.h.inc
...

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

show more ...

exec: Move [b]tswapl() declarations to 'exec/user/tswap-target.h'

tswapl() and bswaptls() are target-dependent and only used
by user emulation. Move their definitions to a new header:
"exec/user/tsw

exec: Move [b]tswapl() declarations to 'exec/user/tswap-target.h'

tswapl() and bswaptls() are target-dependent and only used
by user emulation. Move their definitions to a new header:
"exec/user/tswap-target.h".

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Anton Johansson <anjo@rev.ng>
Message-Id: <20231212123401.37493-17-philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

Merge tag 'pull-maintainer-final-130324-1' of https://gitlab.com/stsquad/qemu into staging

final updates for 9.0 (testing, gdbstub):

- fix the over rebuilding of test VMs
- support Xfer:siginfo

Merge tag 'pull-maintainer-final-130324-1' of https://gitlab.com/stsquad/qemu into staging

final updates for 9.0 (testing, gdbstub):

- fix the over rebuilding of test VMs
- support Xfer:siginfo:read in gdbstub
- fix double close() in gdbstub

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# Primary key fingerprint: 6685 AE99 E751 67BC AFC8 DF35 FBD0 DB09 5A9E 2A44

* tag 'pull-maintainer-final-130324-1' of https://gitlab.com/stsquad/qemu:
gdbstub: Fix double close() of the follow-fork-mode socket
tests/tcg: Add multiarch test for Xfer:siginfo:read stub
gdbstub: Add Xfer:siginfo:read stub
gdbstub: Save target's siginfo
linux-user: Move tswap_siginfo out of target code
gdbstub: Rename back gdb_handlesig
tests/vm: ensure we build everything by default

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

show more ...

linux-user: Move tswap_siginfo out of target code

Move tswap_siginfo from target code to handle_pending_signal. This will
allow some cleanups and having the siginfo ready to be used in gdbstub.

Sig

linux-user: Move tswap_siginfo out of target code

Move tswap_siginfo from target code to handle_pending_signal. This will
allow some cleanups and having the siginfo ready to be used in gdbstub.

Signed-off-by: Gustavo Romero <gustavo.romero@linaro.org>
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240309030901.1726211-3-gustavo.romero@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>

show more ...

Merge tag 'pull-lu-20231030' of https://gitlab.com/rth7680/qemu into staging

linux-user: Fix guest signal remapping after adjusting SIGABRT
linux-user: Implement VDSOs

* tag 'pull-lu-20231030' of h

Merge tag 'pull-lu-20231030' of https://gitlab.com/rth7680/qemu into staging

linux-user: Fix guest signal remapping after adjusting SIGABRT
linux-user: Implement VDSOs

* tag 'pull-lu-20231030' of https://gitlab.com/rth7680/qemu: (21 commits)
build: Add update-linux-vdso makefile rule
linux-user: Show vdso address in /proc/pid/maps
linux-user/s390x: Add vdso
linux-user/s390x: Rename __SIGNAL_FRAMESIZE to STACK_FRAME_OVERHEAD
linux-user/ppc: Add vdso
linux-user/loongarch64: Add vdso
linux-user/riscv: Add vdso
linux-user/hppa: Add vdso
linux-user/arm: Add vdso
linux-user/aarch64: Add vdso
linux-user/x86_64: Add vdso
linux-user/i386: Add vdso
linux-user: Add gen-vdso tool
linux-user: Load vdso image if available
linux-user: Replace bprm->fd with bprm->src.fd
linux-user: Use ImageSource in load_symbols
linux-user: Use ImageSource in load_elf_image
linux-user: Do not clobber bprm_buf swapping ehdr
linux-user: Tidy loader_exec
linux-user: Introduce imgsrc_read, imgsrc_read_alloc
...

Conflicts:
linux-user/arm/signal.c
Fix an #include context conflict.

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

show more ...

linux-user/i386: Add vdso

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1267
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@lin

linux-user/i386: Add vdso

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1267
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

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

* scsi-disk: support setting CD-ROM block size via device options
* target/i386: Implement MSR_CORE_THREAD_COUNT MSR
* target

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

* scsi-disk: support setting CD-ROM block size via device options
* target/i386: Implement MSR_CORE_THREAD_COUNT MSR
* target/i386: notify VM exit support
* target/i386: PC-relative translation block support
* target/i386: support for XSAVE state in signal frames (linux-user)

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* tag 'for-upstream' of https://gitlab.com/bonzini/qemu: (37 commits)
linux-user: i386/signal: support XSAVE/XRSTOR for signal frame fpstate
linux-user: i386/signal: support FXSAVE fpstate on 32-bit emulation
linux-user: i386/signal: move fpstate at the end of the 32-bit frames
KVM: x86: Implement MSR_CORE_THREAD_COUNT MSR
i386: kvm: Add support for MSR filtering
x86: Implement MSR_CORE_THREAD_COUNT MSR
target/i386: Enable TARGET_TB_PCREL
target/i386: Inline gen_jmp_im
target/i386: Add cpu_eip
target/i386: Create eip_cur_tl
target/i386: Merge gen_jmp_tb and gen_goto_tb into gen_jmp_rel
target/i386: Remove MemOp argument to gen_op_j*_ecx
target/i386: Use gen_jmp_rel for DISAS_TOO_MANY
target/i386: Use gen_jmp_rel for gen_jcc
target/i386: Use gen_jmp_rel for loop, repz, jecxz insns
target/i386: Create gen_jmp_rel
target/i386: Use DISAS_TOO_MANY to exit after gen_io_start
target/i386: Create eip_next_*
target/i386: Truncate values for lcall_real to i32
target/i386: Introduce DISAS_JUMP
...

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

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linux-user: i386/signal: support XSAVE/XRSTOR for signal frame fpstate

Add support for saving/restoring extended save states when signals
are delivered. This allows using AVX, MPX or PKRU registers

linux-user: i386/signal: support XSAVE/XRSTOR for signal frame fpstate

Add support for saving/restoring extended save states when signals
are delivered. This allows using AVX, MPX or PKRU registers in
signal handlers.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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