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8 hoursMerge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into stagingRichard Henderson1-1/+1
* cpu-exec: more cleanups to CPU loop exits * python: bump bundled Meson to 1.9.0 * rust: require Rust 1.83.0 * rust: temporarily remove from Ubuntu CI * rust: vmstate: convert to use builder pattern * rust: split "qemu-api" crate * rust: rename qemu_api_macros -> qemu_macros * rust: re-export qemu macros from other crates * x86: fix functional test failure for Xen emulation * x86: cleanups # -----BEGIN PGP SIGNATURE----- # # iQFIBAABCgAyFiEE8TM4V0tmI4mGbHaCv/vSX3jHroMFAmjK6ZsUHHBib256aW5p # QHJlZGhhdC5jb20ACgkQv/vSX3jHroNBKwf/aadInCT4vASOfpxbwZgYfYgR2m2m # BJE9oYKxZJ6MlEOU/1Wfywf9fg4leMSh3XxkDKkEIL19yS6emwin8n3SNYrdAFn3 # 6u4IIWO4NI1Ht3NKytrqFk9wtbH9pAs/gVHLlnmpMxIqtOtZLumPAKNz8rlantmK # UVDYL3Y0L4pD9i5FK1ObMNpk5AsWNr8Tr64fmb+nTkHutld3sBrEMCLI0+EByGyN # lQ16sLn9PGqHOr210zuQP7wP2T3NCI3YokFSPQrUUL8LZGxRdXoNF4hI4uZDKGdn # UbtRu9EkM052qzfsFMrEw5JSbdxEfIjKlPoFKseMv+aWvNAuximAraD3Vg== # =Lr+x # -----END PGP SIGNATURE----- # gpg: Signature made Wed 17 Sep 2025 10:02:19 AM PDT # gpg: using RSA key F13338574B662389866C7682BFFBD25F78C7AE83 # gpg: issuer "pbonzini@redhat.com" # gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [unknown] # gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" [unknown] # gpg: WARNING: The key's User ID is not certified with a trusted signature! # gpg: There is no indication that the signature belongs to the owner. # Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1 # Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83 * tag 'for-upstream' of https://gitlab.com/bonzini/qemu: (60 commits) accel/kvm: Set guest_memfd_offset to non-zero value only when guest_memfd is valid accel/kvm: Zero out mem explicitly in kvm_set_user_memory_region() accel/kvm: Switch to check KVM_CAP_GUEST_MEMFD and KVM_CAP_USER_MEMORY2 on VM i386/kvm: Drop KVM_CAP_X86_SMM check in kvm_arch_init() multiboot: Fix the split lock target/i386: Define enum X86ASIdx for x86's address spaces i386/cpu: Enable SMM cpu address space under KVM hpet: guard IRQ handling with BQL rust: do not inline do_init_io rust: meson: remove unnecessary complication in device crates docs: update rust.rst rust: re-export qemu macros from common/qom/hwcore rust: re-export qemu_macros internal helper in "bits" rust: repurpose qemu_api -> tests rust/pl011: drop dependency on qemu_api rust/hpet: drop now unneeded qemu_api dep rust: rename qemu_api_macros -> qemu_macros rust: split "hwcore" crate rust: split "system" crate rust: split "chardev" crate ... Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
29 hoursbsd-user, linux-user: introduce qemu_process_cpu_eventsPaolo Bonzini1-1/+1
Add a user-mode emulation version of the function. More will be added later, for now it is just process_queued_cpu_work. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2 daystarget/arm: Drop ARM_FEATURE_IWMMXT handlingPeter Maydell2-68/+0
We have now removed all the CPU types which had the Intel XScale extensions indicated via ARM_FEATURE_IWMMXT, so this feature bit is never set. Remove all the code that can only be reached when using this flag. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-id: 20250828140422.3271703-6-peter.maydell@linaro.org
2025-08-30linux-user: Standardize on ELF_MACHINE not ELF_ARCHRichard Henderson1-1/+1
PowerPC was the one outlier that defined both ELF_ARCH and ELF_MACHINE; ELF_ARCH was defined incorrectly, necessitating the definition of elf_check_arch. However, the elf file header field in question is called e_machine, so ELF_MACHINE is in fact the better name. Mechanically change most target/target_elf.h files, then adjust ppc/target_elf.h manually. Do not provide a default for ELF_MACHINE. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-08-30linux-user: Move elf parameters to {arm,aarch64}/target_elf.hRichard Henderson1-0/+4
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-08-30linux-user: Move get_vdso_image_info to arm/elfload.cRichard Henderson2-0/+21
Rename from vdso_image_info to avoid a symbol clash. Define HAVE_VDSO_IMAGE_INFO to signal the external definition exists. Provide fallback versions for other targets. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-08-30linux-user: Move init_guest_commpage to arm/elfload.cRichard Henderson2-0/+48
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-08-30linux-user/arm: Expand target_elf_gregset_tRichard Henderson2-9/+10
Make use of the fact that target_elf_gregset_t is a proper structure. Drop ELF_NREG, target_elf_greg_t, and tswapreg. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-08-30linux-user/arm: Create target_ptrace.hRichard Henderson2-8/+16
Move the target_pt_regs structure from target_syscall.h. Replace the array with proper structure fields. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-08-30linux-user: Move elf_core_copy_regs to arm/elfload.cRichard Henderson2-0/+20
Move elf_core_copy_regs to elfload.c. Move HAVE_ELF_CORE_DUMP, ELF_NREGS, target_elf_gregset_t to target_elf.h. For now, duplicate the definitions of target_elf_greg_t and tswapreg. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-08-28linux-user/arm: Remove a.out startup remenentsRichard Henderson1-4/+0
The setting of r1/r2 was removed in kernel commit acfdd4b1f7590d0 ("ARM: 7791/1: a.out: remove partial a.out support"), and the kernel commit message explains the history. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-08-28linux-user/arm: Create init_main_threadRichard Henderson1-10/+43
Merge init_thread and target_cpu_copy_regs. There's no point going through a target_pt_regs intermediate. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-08-28linux-user: Move get_elf_platform to arm/elfload.cRichard Henderson2-0/+30
Move the aarch32 get_elf_platform to arm/elfload.c; pass in CPUState. Create a simple version in aarch64/elfload.c, which we must do at the same time because of the ifdef dependency between TARGET_AARCH64 and TARGET_ARM. Since all versions of get_elf_platform now have the same signature, remove the ifdef from the declaration in loader.h. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-08-28linux-user: Move hwcap functions to {arm,aarch64}/elfload.cRichard Henderson3-2/+166
For get_elf_hwcap and get_elf_hwcap2, change the return type to abi_ulong, and pass in the cpu. We must do these targets at the same time because of the ifdef dependency between TARGET_AARCH64 and TARGET_ARM. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-08-28linux-user: Move get_elf_cpu_model to target/elfload.cRichard Henderson2-4/+11
Rename from cpu_get_model to emphasize that this is an elf-specific function. Declare the function once in loader.h. This frees up target_elf.h for other uses. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-08-28linux-user: Create target/elfload.c filesRichard Henderson1-0/+1
Prepare to split the main linux-user/elfload.c. Create empty files for each target, and add the common build rule. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-08-28semihosting: Initialize heap once per processRichard Henderson1-14/+11
While semihosting isn't really thread aware, the current implementation allocates space for the heap per-thread. Remove the heap_base and heap_limit fields from TaskState. Replace with static variables within do_common_semihosting. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-08-28semihosting: Retrieve stack top from image_infoRichard Henderson1-1/+0
Remove the write-once field TaskState.stack_base, and use the same value from struct image_info. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-06-16linux-user/arm: Fix return value of SYS_cacheflushJ. Neuschäfer1-0/+1
Although the emulated cacheflush syscall does nothing, it still needs to return zero to indicate success. Cc: qemu-stable@nongnu.org Signed-off-by: J. Neuschäfer <j.neuschaefer@gmx.net> Message-id: 20250613-cache-v1-1-ee9f4a9ba81b@gmx.net Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2025-04-23include/exec: Split out mmap-lock.hRichard Henderson1-0/+1
Split out mmap_lock, et al from page-protection.h to a new header. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-03-14linux-user/arm: Remove unused get_put_user macrosPeter Maydell1-39/+4
In linux-user/arm/cpu_loop.c we define a full set of get/put macros for both code and data (since the endianness handling is different between the two). However the only one we actually use is get_user_code_u32(). Remove the rest. We leave a comment noting how data-side accesses should be handled for big-endian, because that's a subtle point and we just removed the macros that were effectively documenting it. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2025-02-18linux-user: Move TARGET_SA_RESTORER out of generic/signal.hAndreas Schwab1-0/+2
SA_RESTORER and the associated sa_restorer field of struct sigaction are an obsolete feature, not expected to be used by future architectures. They are also absent on RISC-V, LoongArch, Hexagon and OpenRISC, but defined due to their use of generic/signal.h. This leads to corrupted data and out-of-bounds accesses. Move the definition of TARGET_SA_RESTORER out of generic/signal.h into the target_signal.h files that need it. Note that m68k has the sa_restorer field, but does not use it and does not define SA_RESTORER. Reported-by: Thomas Weißschuh <thomas@t-8ch.de> Signed-off-by: Andreas Schwab <schwab@suse.de> Reviewed-by: Thomas Weißschuh <thomas@t-8ch.de> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-ID: <mvmed060xc9.fsf@suse.de>
2024-12-20user: Move 'linux-user/cpu_loop-common.h' -> 'user/cpu_loop.h'Philippe Mathieu-Daudé1-1/+1
"linux-user/cpu_loop-common.h" is generic enough to be used by bsd-user, so rename it as "user/cpu_loop.h". Mechanical change running: $ sed -i -e 's,cpu_loop-common.h,user/cpu_loop.h,' \ $(git grep -l cpu_loop-common.h) Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20241212185341.2857-17-philmd@linaro.org>
2024-12-20user: Forward declare target_cpu_copy_regs structurePhilippe Mathieu-Daudé1-1/+1
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20241212185341.2857-16-philmd@linaro.org>
2024-12-20accel/tcg: Move user-related declarations out of 'exec/cpu-all.h' (4/4)Philippe Mathieu-Daudé1-0/+1
Move declarations related to page protection under user emulation from "exec/cpu-all.h" to "user/page-protection.h". Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20241212185341.2857-15-philmd@linaro.org>
2024-12-11target/arm: Set default NaN pattern explicitlyPeter Maydell1-0/+5
Set the default NaN pattern explicitly for the arm target. This includes setting it for the old linux-user nwfpe emulation. For nwfpe, our default doesn't match the real kernel, but we avoid making a behaviour change in this commit. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20241202131347.498124-41-peter.maydell@linaro.org
2024-11-16linux-user/arm: Select vdso for be8 and be32 modesRichard Henderson4-6/+16
In be8 mode, instructions are little-endian. In be32 mode, instructions are big-endian. Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2333 Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-11-16linux-user/arm: Reduce vdso alignment to 4kRichard Henderson3-1/+1
Reduce vdso alignment to minimum page size. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-11-05target/arm: Explicitly set 2-NaN propagation rulePeter Maydell1-0/+18
Set the 2-NaN propagation rule explicitly in the float_status words we use. We wrap this plus the pre-existing setting of the tininess-before-rounding flag in a new function arm_set_default_fp_behaviours() to avoid repetition, since we have a lot of float_status words at this point. The situation with FPA11 emulation in linux-user is a little odd, and arguably "correct" behaviour there would be to exactly match a real Linux kernel's FPA11 emulation. However FPA11 emulation is essentially dead at this point and so it seems better to continue with QEMU's current behaviour and leave a comment describing the situation. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20241025141254.2141506-4-peter.maydell@linaro.org
2024-09-27Merge tag 'pull-tcg-20240922' of https://gitlab.com/rth7680/qemu into stagingPeter Maydell1-4/+21
target/ppc: Fix lxvx/stxvx facility check linux-user: update syscall_nr.h to Linux v6.10 linux-user: update syscall.tbl to Linux v6.11 tcg: Fix iteration step in 32-bit gvec operation tcg: Propagate new TCGOp to add_as_label_use tcg/*: Do not expand cmp_vec, cmpsel_vec early tcg/optimize: Fold movcond with true and false values identical tcg/optimize: Optimize cmp_vec and cmpsel_vec tcg/optimize: Optimize bitsel_vec tcg/i386: Optimize cmpsel with constant 0 operand 3. tcg/i386: Implement cmp_vec with avx512 insns tcg/i386: Implement cmpsel_vec with avx512 insns tcg/i386: Implement vector TST{EQ,NE} for avx512 tcg/ppc: Implement cmpsel_vec and optimize with constant 0/-1 arguments tcg/s390x: Implement cmpsel_vec and optimize with constant 0/-1 arguments # -----BEGIN PGP SIGNATURE----- # # iQFQBAABCgA7FiEEekgeeIaLTbaoWgXAZN846K9+IV8FAmbwBsIdHHJpY2hhcmQu # aGVuZGVyc29uQGxpbmFyby5vcmcACgkQZN846K9+IV/bzwf40V8fsRhfc8u/k2Xw # +bXyfyX7ydgB+82YoO71+Wy15ntmYmbL/6O9kGuJXWX8HRDrAR8Js9zDgveysw5m # m/EG+XAbVjYhjaoaaz2nfr+5auQoos9NoCji3s3UJln6sCuZ2Enl0DTFluoHZfgr # /YVAghJ4dwH0hfzO9kmsKmJ9I19HugMMN4dNvEcjQyDDUhgGGjkUaRtGNxwuiwuf # ArL2XhFauXgloryDmpUKQ0BJJ0t8rdPlaRJ8dHqJUnJwav0TW3QVXbrs8gOkmmbg # 9plYTC9DlTguQobvapCDVjiGy/6yuSF/AUpcdQbTRtTi3BrzhTydfLlOtI64GtaQ # OBKd # =ID/g # -----END PGP SIGNATURE----- # gpg: Signature made Sun 22 Sep 2024 13:00:02 BST # gpg: using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F # gpg: issuer "richard.henderson@linaro.org" # 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-20240922' of https://gitlab.com/rth7680/qemu: (31 commits) linux-user: update syscall.tbl to Linux v6.11 linux-user,loongarch: move to syscalltbl file linux-user,hexagon: move to syscalltbl file linux-user,riscv: move to syscalltbl file linux-user,openrisc: move to syscalltbl file linux-user,aarch64: move to syscalltbl file linux-user: update syscall.tbl to Linux v6.10 linux-user, mips: update syscall-args-o32.c.inc to Linux v6.10 linux-user: update syscall_nr.h to Linux v6.10 target/ppc: Fix lxvx/stxvx facility check tcg/s390x: Optimize cmpsel with constant 0/-1 arguments tcg/s390x: Implement cmpsel_vec tcg/ppc: Optimize cmpsel with constant 0/-1 arguments tcg/ppc: Implement cmpsel_vec tcg/i386: Implement vector TST{EQ,NE} for avx512 tcg/i386: Implement cmpsel_vec with avx512 insns tcg/i386: Add predicate parameters to tcg_out_evex_opc tcg/i386: Implement cmp_vec with avx512 insns tcg/i386: Optimize cmpsel with constant 0 operand 3. tcg/optimize: Optimize bitsel_vec ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-09-22linux-user: update syscall.tbl to Linux v6.11Laurent Vivier1-0/+1
Updated running scripts/update-syscalltbl.sh Signed-off-by: Laurent Vivier <laurent@vivier.eu> Message-ID: <20240920151034.859533-7-laurent@vivier.eu> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-09-22linux-user: update syscall.tbl to Linux v6.10Laurent Vivier1-4/+20
Updated running scripts/update-syscalltbl.sh Signed-off-by: Laurent Vivier <laurent@vivier.eu> Message-ID: <20240918074256.720617-4-laurent@vivier.eu> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-09-20license: Update deprecated SPDX tag GPL-2.0 to GPL-2.0-onlyPhilippe Mathieu-Daudé1-1/+1
The 'GPL-2.0' license identifier has been deprecated since license list version 3.0 [1] and replaced by the 'GPL-2.0-only' tag [2]. [1] https://spdx.org/licenses/GPL-2.0.html [2] https://spdx.org/licenses/GPL-2.0-only.html Mechanical patch running: $ sed -i -e s/GPL-2.0/GPL-2.0-only/ \ $(git grep -l 'SPDX-License-Identifier: GPL-2.0[ $]' \ | egrep -v '^linux-headers|^include/standard-headers') Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2024-05-06exec/cpu: Extract page-protection definitions to page-protection.hPhilippe Mathieu-Daudé1-0/+1
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>
2024-03-13linux-user: Move tswap_siginfo out of target codeGustavo Romero1-1/+1
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>
2024-03-06{linux,bsd}-user: Introduce get_task_state()Ilya Leoshkevich2-3/+3
A CPU's TaskState is stored in the CPUState's void *opaque field, accessing which is somewhat awkward due to having to use a cast. Introduce a wrapper and use it everywhere. Suggested-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com> Reviewed-by: Warner Losh <imp@bsdimp.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20240219141628.246823-3-iii@linux.ibm.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20240305121005.3528075-4-alex.bennee@linaro.org>
2023-10-31Merge tag 'pull-lu-20231030' of https://gitlab.com/rth7680/qemu into stagingStefan Hajnoczi8-17/+305
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>
2023-10-30linux-user/arm: Add vdsoRichard Henderson8-17/+305
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-27target/arm: Move feature test functions to their own headerPeter Maydell1-0/+1
The feature test functions isar_feature_*() now take up nearly a thousand lines in target/arm/cpu.h. This header file is included by a lot of source files, most of which don't need these functions. Move the feature test functions to their own header file. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20231024163510.2972081-2-peter.maydell@linaro.org
2023-09-01linux-user: Emulate /proc/cpuinfo on aarch64 and armHelge Deller1-1/+101
Add emulation for /proc/cpuinfo for arm architecture. The output below mimics output as seen on debian porterboxes. aarch64 output example: processor : 0 model name : ARMv8 Processor rev 0 (v8l) BogoMIPS : 100.00 Features : swp half thumb fast_mult vfp edsp neon vfpv3 tls vfpv4 idiva idivt vfpd32 lpae aes pmull sha1 sha2 crc32 CPU implementer : 0x41 CPU architecture: 8 CPU variant : 0x1 CPU part : 0xd07 CPU revision : 0 arm 32-bit output example: processor : 0 model name : ARMv7 Processor rev 5 (armv7l) BogoMIPS : 100.00 Features : swp half thumb fast_mult vfp edsp thumbee neon vfpv3 tls vfpv4 idiva idivt vfpd32 lpae CPU implementer : 0x41 CPU architecture: 7 CPU variant : 0x0f CPU part : 0xc07 CPU revision : 5 Signed-off-by: Helge Deller <deller@gmx.de> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20230803214450.647040-3-deller@gmx.de> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-09-01linux-user: Split out cpu/target_proc.hRichard Henderson1-0/+1
Move the various open_cpuinfo functions into new files. Move the m68k open_hardware function as well. All other guest architectures get a boilerplate empty file. Tested-by: Helge Deller <deller@gmx.de> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-08-08linux-user: Define ELF_ET_DYN_BASE in $guest/target_mman.hRichard Henderson1-0/+3
Copy each guest kernel's default value, then bound it against reserved_va or the host address space. Tested-by: Helge Deller <deller@gmx.de> Reviewed-by: Helge Deller <deller@gmx.de> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-08-08linux-user: Define TASK_UNMAPPED_BASE in $guest/target_mman.hRichard Henderson1-0/+8
Provide default values that are as close as possible to the values used by the guest's kernel. Tested-by: Helge Deller <deller@gmx.de> Reviewed-by: Helge Deller <deller@gmx.de> Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-07-31linux-user/armeb: Fix __kernel_cmpxchg() for armebHelge Deller1-2/+7
Commit 7f4f0d9ea870 ("linux-user/arm: Implement __kernel_cmpxchg with host atomics") switched to use qatomic_cmpxchg() to swap a word with the memory content, but missed to endianess-swap the oldval and newval values when emulating an armeb CPU, which expects words to be stored in big endian in the guest memory. The bug can be verified with qemu >= v7.0 on any little-endian host, when starting the armeb binary of the upx program, which just hangs without this patch. Cc: qemu-stable@nongnu.org Signed-off-by: Helge Deller <deller@gmx.de> Reported-by: "Markus F.X.J. Oberhumer" <markus@oberhumer.com> Reported-by: John Reiser <jreiser@BitWagon.com> Closes: https://github.com/upx/upx/issues/687 Message-Id: <ZMQVnqY+F+5sTNFd@p100> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-28include/exec: Change reserved_va semantics to last byteRichard Henderson1-1/+1
Change the semantics to be the last byte of the guest va, rather than the following byte. This avoids some overflow conditions. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-02-16target/arm: Convert CPUARMState::eabi to booleanPhilippe Mathieu-Daudé1-2/+2
Suggested-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20230206223502.25122-6-philmd@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-02-03linux-user: move target_flat.h to target subdirsMike Frysinger1-0/+1
This makes target_flat.h behave like every other target_xxx.h header. It also makes it actually work -- while the current header says adding a header to the target subdir overrides the common one, it doesn't. This is for two reasons: * meson.build adds -Ilinux-user before -Ilinux-user/$arch * the compiler search path for "target_flat.h" looks in the same dir as the source file before searching -I paths. This can be seen with the xtensa port -- the subdir settings aren't used which breaks stack setup. Move it to the generic/ subdir and add include stubs like every other target_xxx.h header is handled. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20230129004625.11228-1-vapier@gentoo.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2022-09-27linux-user: Provide MADV_* definitionsIlya Leoshkevich1-0/+1
Provide MADV_* definitions using target_mman.h header, similar to what kernel does. Most architectures use the same values, with the exception of alpha and hppa. Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220906000839.1672934-2-iii@linux.ibm.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2022-09-06linux-user/arm: Mark the commpage executableRichard Henderson1-2/+2
We're about to start validating PAGE_EXEC, which means that we've got to mark the commpage executable. We had been placing the commpage outside of reserved_va, which was incorrect and lead to an abort. Acked-by: Ilya Leoshkevich <iii@linux.ibm.com> Tested-by: Ilya Leoshkevich <iii@linux.ibm.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-06-28semihosting: Return void from do_common_semihostingRichard Henderson1-1/+1
Perform the cleanup in the FIXME comment in common_semi_gdb_syscall. Do not modify guest registers until the syscall is complete, which in the gdbstub case is asynchronous. In the synchronous non-gdbstub case, use common_semi_set_ret to set the result. Merge set_swi_errno into common_semi_cb. Rely on the latter for combined return value / errno setting. Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
generated by cgit v1.1 at 2025-09-18 21:48:04 +0000