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2024-11-16linux-user/ppc: Reduce vdso alignment to 4kRichard Henderson
Reduce vdso alignment to minimum page size. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-10-22linux-user/ppc: Fix sigmask endianness issue in sigreturnIlya Leoshkevich
do_setcontext() copies the target sigmask without endianness handling and then uses target_to_host_sigset_internal(), which expects a byte-swapped one. Use target_to_host_sigset() instead. Fixes: bcd4933a23f1 ("linux-user: ppc signal handling") Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-ID: <20241017125811.447961-2-iii@linux.ibm.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-09-27Merge tag 'pull-tcg-20240922' of https://gitlab.com/rth7680/qemu into stagingPeter Maydell
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 v6.10Laurent Vivier
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-Daudé
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>
2024-04-26exec: Move [b]tswapl() declarations to 'exec/user/tswap-target.h'Philippe Mathieu-Daudé
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>
2024-03-13linux-user: Move tswap_siginfo out of target codeGustavo Romero
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 Leoshkevich
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>
2023-11-15linux-user: spelling fixes: othe, necesaryMichael Tokarev
Fixes: e34136d93059 "linux-user/ppc: Add vdso" Fixes: 86f04735ac20 "linux-user: Fix brk() to release pages" Reviewed-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2023-10-30linux-user/ppc: Add vdsoRichard Henderson
Add support in gen-vdso-elfn.c.inc for the DT_PPC64_OPT dynamic tag: this is an integer, so does not need relocation. Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-09-01linux-user: Split out cpu/target_proc.hRichard Henderson
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 Henderson
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 Henderson
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>
2023-07-15linux-user: Split TARGET_MAP_* out of syscall_defs.hRichard Henderson
Move the values into the per-target target_mman.h headers Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20230707204054.8792-7-richard.henderson@linaro.org>
2023-05-05ppc: spapr: cleanup cr get/set with helpers.Harsh Prateek Bora
The bits in cr reg are grouped into eight 4-bit fields represented by env->crf[8] and the related calculations should be abstracted to keep the calling routines simpler to read. This is a step towards cleaning up the related/calling code for better readability. Signed-off-by: Harsh Prateek Bora <harshpb@linux.ibm.com> Reviewed-by: Fabiano Rosas <farosas@suse.de> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20230503093619.2530487-2-harshpb@linux.ibm.com> [danielhb: add 'const' modifier to fix linux-user build] Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
2022-09-27linux-user: Provide MADV_* definitionsIlya Leoshkevich
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>
2022-04-06Remove qemu-common.h include from most unitsMarc-André Lureau
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20220323155743.1585078-33-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-04-06Replace TARGET_WORDS_BIGENDIANMarc-André Lureau
Convert the TARGET_WORDS_BIGENDIAN macro, similarly to what was done with HOST_BIG_ENDIAN. The new TARGET_BIG_ENDIAN macro is either 0 or 1, and thus should always be defined to prevent misuse. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Suggested-by: Halil Pasic <pasic@linux.ibm.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220323155743.1585078-8-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-04-06Replace config-time define HOST_WORDS_BIGENDIANMarc-André Lureau
Replace a config-time define with a compile time condition define (compatible with clang and gcc) that must be declared prior to its usage. This avoids having a global configure time define, but also prevents from bad usage, if the config header wasn't included before. This can help to make some code independent from qemu too. gcc supports __BYTE_ORDER__ from about 4.6 and clang from 3.2. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> [ For the s390x parts I'm involved in ] Acked-by: Halil Pasic <pasic@linux.ibm.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220323155743.1585078-7-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-04-04linux-user/ppc: Narrow type of ccr in save_user_regsRichard Henderson
Coverity warns that we shift a 32-bit value by N, and then accumulate it into a 64-bit type (target_ulong on ppc64). The ccr is always 8 * 4-bit fields, and thus is always a 32-bit quantity; narrow the type to avoid the warning. Fixes: Coverity CID 1487223 Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Cédric Le Goater <clg@kaod.org> Message-Id: <20220401191643.330393-1-richard.henderson@linaro.org> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-03-08linux-user/ppc: deliver SIGTRAP on POWERPC_EXCP_TRAPMatheus Ferst
Handle POWERPC_EXCP_TRAP in cpu_loop to deliver SIGTRAP on tw[i]/td[i]. The si_code comes from do_program_check in the kernel source file arch/powerpc/kernel/traps.c Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br> Message-Id: <20220113170456.1796911-2-matheus.ferst@eldorado.org.br> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2022-02-21linux-user: Add missing "qemu/timer.h" includePhilippe Mathieu-Daudé
"qemu/timer.h" declares cpu_get_host_ticks(). Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220207082756.82600-9-f4bug@amsat.org> Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-02-13Merge remote-tracking branch 'remotes/legoater/tags/pull-ppc-20220210' into ↵Peter Maydell
staging ppc-7.0 queue * Exception model rework (Fabiano) * Unused CPU models removal (Fabiano and Cédric) * Fix for VOF installation (Alexey) * Misc fixes # gpg: Signature made Thu 10 Feb 2022 12:59:07 GMT # gpg: using RSA key A0F66548F04895EBFE6B0B6051A343C7CFFBECA1 # gpg: Good signature from "Cédric Le Goater <clg@kaod.org>" [undefined] # 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: A0F6 6548 F048 95EB FE6B 0B60 51A3 43C7 CFFB ECA1 * remotes/legoater/tags/pull-ppc-20220210: (42 commits) spapr/vof: Install rom and nvram binaries docs: rstfy confidential guest documentation target/ppc: Change VSX instructions behavior to fill with zeros target/ppc: books: Remove excp_model argument from ppc_excp_apply_ail target/ppc: Assert if MSR bits differ from msr_mask during exceptions target/ppc: powerpc_excp: Move common code to the caller function target/ppc: Remove powerpc_excp_legacy target/ppc: 7xx: Set SRRs directly in exception code target/ppc: 7xx: Software TLB cleanup target/ppc: 7xx: System Reset cleanup target/ppc: 7xx: System Call exception cleanup target/ppc: 7xx: Program exception cleanup target/ppc: 7xx: External interrupt cleanup target/ppc: 7xx: Machine Check exception cleanup target/ppc: Simplify powerpc_excp_7xx target/ppc: Introduce powerpc_excp_7xx target/ppc: Merge 7x5 and 7x0 exception model IDs target/ppc: 6xx: Set SRRs directly in exception code target/ppc: 6xx: Software TLB exceptions cleanup target/ppc: 6xx: System Reset interrupt cleanup ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-02-09linux-user: Remove the deprecated ppc64abi32 targetThomas Huth
It's likely broken, and nobody cared for picking it up again during the deprecation phase, so let's remove this now. Since this is the last entry in deprecated_targets_list, remove the related code in the configure script, too. Signed-off-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Acked-by: Cédric Le Goater <clg@kaod.org> Acked-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20211215084958.185214-1-thuth@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220112112722.3641051-32-alex.bennee@linaro.org>
2022-02-09target/ppc: Remove PowerPC 601 CPUsCédric Le Goater
The PowerPC 601 processor is the first generation of processors to implement the PowerPC architecture. It was designed as a bridge processor and also could execute most of the instructions of the previous POWER architecture. It was found on the first Macs and IBM RS/6000 workstations. There is not much interest in keeping the CPU model of this POWER-PowerPC bridge processor. We have the 603 and 604 CPU models of the 60x family which implement the complete PowerPC instruction set. Cc: "Hervé Poussineau" <hpoussin@reactos.org> Cc: Laurent Vivier <laurent@vivier.eu> Signed-off-by: Cédric Le Goater <clg@kaod.org> Reviewed-by: Fabiano Rosas <farosas@linux.ibm.com> Message-Id: <20220203142756.1302515-1-clg@kaod.org> Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-02-01linux-user: Move generic TARGET_RLIMIT* definitions to generic/target_resource.hSerge Belyshev
Signed-off-by: Serge Belyshev <belyshev@depni.sinp.msu.ru> Message-Id: <87ee4ql3yk.fsf_-_@depni.sinp.msu.ru> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2022-01-11linux-user/ppc: Use force_sig_faultRichard Henderson
Use the new function instead of setting up a target_siginfo_t and calling queue_signal. Fill in the missing PC for SIGTRAP. The fault address for POWERPC_EXCP_ISI is nip exactly, not nip - 4. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220107213243.212806-20-richard.henderson@linaro.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2022-01-06linux-user: Split out do_prctl and subroutinesRichard Henderson
Since the prctl constants are supposed to be generic, supply any that are not provided by the host. Split out subroutines for PR_GET_FP_MODE, PR_SET_FP_MODE, PR_GET_VL, PR_SET_VL, PR_RESET_KEYS, PR_SET_TAGGED_ADDR_CTRL, PR_GET_TAGGED_ADDR_CTRL. Return EINVAL for guests that do not support these options rather than pass them on to the host. Reviewed-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20211227150127.2659293-2-richard.henderson@linaro.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2022-01-06linux-user: target_syscall.h remove definition TARGET_MINSIGSTKSZSong Gao
TARGET_MINSIGSTKSZ has been defined in generic/signal.h or target_signal.h, We don't need to define it again. Signed-off-by: Song Gao <gaosong@loongson.cn> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <1637893388-10282-3-git-send-email-gaosong@loongson.cn> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2022-01-06linux-user: Move target_signal.h generic definitions to generic/signal.hSong Gao
No code change Suggested-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Song Gao <gaosong@loongson.cn> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <1637893388-10282-2-git-send-email-gaosong@loongson.cn> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-12-19linux-user: Rename TARGET_QEMU_ESIGRETURN to QEMU_ESIGRETURNRichard Henderson
This value is fully internal to qemu, and so is not a TARGET define. Reviewed-by: Warner Losh <imp@bsdimp.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-12-19linux-user: Rename TARGET_ERESTARTSYS to QEMU_ERESTARTSYSRichard Henderson
This value is fully internal to qemu, and so is not a TARGET define. We use this as an extra marker for both host and target errno. Reviewed-by: Warner Losh <imp@bsdimp.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-11-02linux-user/ppc: Remove POWERPC_EXCP_ALIGN handlingRichard Henderson
We will raise SIGBUS directly from cpu_loop_exit_sigbus. Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2021-10-21linux-user/ppc: Fix XER access in save/restore_user_regsMatheus Ferst
We should use cpu_read_xer/cpu_write_xer to save/restore the complete register since some of its bits are in other fields of CPUPPCState. A test is added to prevent future regressions. Fixes: da91a00f191f ("target-ppc: Split out SO, OV, CA fields from XER") Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br> Message-Id: <20211014223234.127012-2-matheus.ferst@eldorado.org.br> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2021-10-01linux-user/ppc: Implement setup_sigtrampRichard Henderson
Create and record the two signal trampolines. Cc: qemu-ppc@nongnu.org Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20210929130553.121567-20-richard.henderson@linaro.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-10-01linux-user/ppc: Simplify encode_trampolineRichard Henderson
The sigret parameter is never 0, and even if it was the encoding of the LI instruction would still work. Reported-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20210929130553.121567-19-richard.henderson@linaro.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-09-13linux-user: Split linux-user internals out of qemu.hPeter Maydell
qemu.h is included in various non-linux-user files (which mostly want the TaskState struct and the functions for doing usermode access to guest addresses like lock_user(), unlock_user(), get_user*(), etc). Split out the parts that are only used in linux-user itself into a new user-internals.h. This leaves qemu.h with basically three things: * the definition of the TaskState struct * the user-access functions and macros * do_brk() all of which are needed by code outside linux-user that includes qemu.h. The addition of all the extra #include lines was done with sed -i '/include.*qemu\.h/a #include "user-internals.h"' $(git grep -l 'include.*qemu\.h' linux-user) (and then undoing the change to fpa11.h). Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20210908154405.15417-8-peter.maydell@linaro.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-09-13linux-user: Split signal-related prototypes into signal-common.hPeter Maydell
Split the signal related prototypes into the existing header file signal-common.h, and include it in those places that now require it. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20210908154405.15417-4-peter.maydell@linaro.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-07-13linux-user: update syscall.tbl to Linux v5.13Laurent Vivier
Updated running scripts/update-syscalltbl.sh Signed-off-by: Laurent Vivier <laurent@vivier.eu> Message-Id: <20210708215756.268805-4-laurent@vivier.eu> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-07-12linux-user: Extract target errno to 'target_errno_defs.h'Philippe Mathieu-Daudé
We want to access the target errno indepently of the rest of the linux-user code. Move the header containing the generic errno definitions ('errno_defs.h') to 'generic/target_errno_defs.h', create a new 'target_errno_defs.h' in each target which itself includes 'generic/target_errno_defs.h'. Suggested-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20210708170550.1846343-4-f4bug@amsat.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-05-19target/ppc: Replace POWERPC_EXCP_BRANCH with DISAS_NORETURNRichard Henderson
The translation of branch instructions always results in exit from the TB. Remove the synthetic "exception" after no more uses. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br> Message-Id: <20210517205025.3777947-4-matheus.ferst@eldorado.org.br> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2021-05-19target/ppc: Replace POWERPC_EXCP_STOP with DISAS_EXIT_UPDATERichard Henderson
Remove the synthetic "exception" after no more uses. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br> Message-Id: <20210517205025.3777947-3-matheus.ferst@eldorado.org.br> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2021-05-15linux-user: Pass CPUArchState to target_restore_altstackRichard Henderson
In most cases we were already passing get_sp_from_cpustate directly to the function. In other cases, we were passing a local variable which already contained the same value. In the rest of the cases, we were passing the stack pointer out of env directly. Reviewed by: Warner Losh <imp@bsdimp.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20210426025334.1168495-5-richard.henderson@linaro.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-05-15linux-user: Use target_restore_altstack in all sigreturnRichard Henderson
Note that target_restore_altstack uses the host memory pointer that we have already verified, so TARGET_EFAULT is not a possible return value. Note that using -EFAULT was a bug. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20210426025334.1168495-3-richard.henderson@linaro.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-05-04linux-user/ppc: Fix msr updates for signal handlingRichard Henderson
In save_user_regs, there are two bugs where we OR in a bit number instead of the bit, clobbering the low bits of MSR. However: The MSR_VR and MSR_SPE bits control the availability of the insns. If the bits were not already set in MSR, then any attempt to access those registers would result in SIGILL. For linux-user, we always initialize MSR to the capabilities of the cpu. We *could* add checks vs MSR where we currently check insn_flags and insn_flags2, but we know they match. Also, there's a stray cut-and-paste comment in restore. Then, do not force little-endian binaries into big-endian mode. Finally, use ppc_store_msr for the update to affect hflags. Which is the reason none of these bugs were previously noticed. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20210323184340.619757-10-richard.henderson@linaro.org> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2021-02-16exec: Use cpu_untagged_addr in g2h; split out g2h_untaggedRichard Henderson
Use g2h_untagged in contexts that have no cpu, e.g. the binary loaders that operate before the primary cpu is created. As a colollary, target_mmap and friends must use untagged addresses, since they are used by the loaders. Use g2h_untagged on values returned from target_mmap, as the kernel never applies a tag itself. Use g2h_untagged on all pc values. The only current user of tags, aarch64, removes tags from code addresses upon branch, so "pc" is always untagged. Use g2h with the cpu context on hand wherever possible. Use g2h_untagged in lock_user, which will be updated soon. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20210212184902.1251044-13-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-11-15linux user: Fix Lesser GPL version numberChetan Pant
There is no "version 2" of the "Lesser" General Public License. It is either "GPL version 2.0" or "Lesser GPL version 2.1". This patch replaces all occurrences of "Lesser GPL version 2" with "Lesser GPL version 2.1" in comment section. Signed-off-by: Chetan Pant <chetan4windows@gmail.com> Message-Id: <20201023122455.19417-1-chetan4windows@gmail.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-11-11linux-user: Correct definition of stack_tLemonBoy
Some platforms used the wrong definition of stack_t where the flags and size fields were swapped or where the flags field had type ulong instead of int. Due to the presence of padding space in the structure and the prevalence of little-endian machines this problem went unnoticed for a long time. The type definitions have been cross-checked with the ones defined in the Linux kernel v5.9, plus some older versions for a few architecture that have been removed and Xilinx's kernel fork for NiosII [1]. The bsd-user headers remain unchanged as I don't know if they are wrong or not. [1] https://github.com/Xilinx/linux-xlnx/blob/master/arch/nios2/include/uapi/asm/signal.h Signed-off-by: Giuseppe Musacchio <thatlemon@gmail.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-Id: <e9d47692-ee92-009f-6007-0abc3f502b97@gmail.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-10-26linux-user: update syscall.tbl to Linux 5.9-rc7Laurent Vivier
Updated running scripts/update-syscalltbl.sh Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20200930003033.554124-4-laurent@vivier.eu> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-09-06linux-user: fix ppc/termbits.hLaurent Vivier
On ppc, in termios, c_line is after c_cc, not before . Fixes: c218b4ede4f9 ("linux-user: Add missing termbits types and values definitions") Cc: Filip.Bozuta@syrmia.com Signed-off-by: Laurent Vivier <laurent@vivier.eu> Message-Id: <20200830181620.422036-1-laurent@vivier.eu> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
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