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* linux-user: create a dummy per arch signal.cLaurent Vivier2018-04-301-0/+18
| | | | | | | | | | Create a signal-common.h for future use by these new files and use it in the existing signal.c Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20180424192635.6027-2-laurent@vivier.eu>
* linux-user: Move CPU type name selection to a functionLaurent Vivier2018-02-251-0/+18
| | | | | | | | | | | | | | | | | Instead of a sequence of "#if ... #endif" move the selection to a function in linux-user/*/target_elf.h We can't add them in linux-user/*/target_cpu.h because we will need to include "elf.h" to use ELF flags with eflags, and including "elf.h" in "target_cpu.h" introduces some conflicts in elfload.c Suggested-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20180220173307.25125-2-laurent@vivier.eu>
* linux-user: Implement ioctl cmd TIOCGPTPEERAndreas Schwab2018-02-181-0/+1
| | | | | | | | | With glibc 2.27 the openpty function prefers the TIOCGPTPEER ioctl. Signed-off-by: Andreas Schwab <schwab@suse.de> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Message-Id: <mvmbmhdosb9.fsf_-_@suse.de> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
* sparc: embed sparc_def_t into CPUSPARCStateIgor Mammedov2017-09-011-1/+1
| | | | | | | | | | | | Make CPUSPARCState::def embedded so it would be allocated as part of cpu instance and we won't have to worry about cleaning def pointer up mannualy on cpu destruction. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <1503592308-93913-4-git-send-email-imammedo@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
* linux-user: Use correct target SHMLBA in shmat()Peter Maydell2016-09-211-0/+16
| | | | | | | | | | | | | | | | | | | | The shmat() handling needs to do target-specific handling of the attach address for shmat(): * if the SHM_RND flag is passed, the address is rounded down to a SHMLBA boundary * if SHM_RND is not passed, then the call is failed EINVAL if the address is not a multiple of SHMLBA Since SHMLBA is target-specific, we need to do this checking and rounding in QEMU and can't leave it up to the host syscall. Allow targets to define TARGET_FORCE_SHMLBA and provide a target_shmlba() function if appropriate, and update do_shmat() to honour them. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
* linux-user: define missing sparc syscallsLaurent Vivier2016-07-191-0/+3
| | | | | | | | NR_lookup_dcookie, NR_fadvise64, NR_fadvise64_64 Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
* linux-user: Clean up target_structs.h header guardsMarkus Armbruster2016-07-121-2/+2
| | | | | | | | | | | | These headers all use TARGET_STRUCTS_H as header guard symbol. Reuse of the same guard symbol in multiple headers is okay as long as they cannot be included together. Since we can avoid guard symbol reuse easily, do so: use guard symbol $target_TARGET_STRUCTS_H for linux-user/$target/target_structs.h. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Richard Henderson <rth@twiddle.net>
* linux-user: Clean up target_signal.h header guardsMarkus Armbruster2016-07-121-3/+3
| | | | | | | | | | | | These headers all use TARGET_SIGNAL_H as header guard symbol. Reuse of the same guard symbol in multiple headers is okay as long as they cannot be included together. Since we can avoid guard symbol reuse easily, do so: use guard symbol $target_TARGET_SIGNAL_H for linux-user/$target/target_signal.h. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Richard Henderson <rth@twiddle.net>
* linux-user: Clean up target_cpu.h header guardsMarkus Armbruster2016-07-121-2/+2
| | | | | | | | | | | | These headers all use TARGET_CPU_H as header guard symbol. Reuse of the same guard symbol in multiple headers is okay as long as they cannot be included together. Since we can avoid guard symbol reuse easily, do so: use guard symbol $target_TARGET_CPU_H for linux-user/$target/target_cpu.h. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Richard Henderson <rth@twiddle.net>
* linux-user: Clean up target_syscall.h header guardsMarkus Armbruster2016-07-121-3/+3
| | | | | | | | | | | | | | | | | | | | Some of them use guard symbol TARGET_SYSCALL_H, but we also have CRIS_SYSCALL_H, MICROBLAZE_SYSCALLS_H, TILEGX_SYSCALLS_H and __UC32_SYSCALL_H__. They all upset scripts/clean-header-guards.pl. Reuse of the same guard symbol TARGET_SYSCALL_H in multiple headers is okay as long as they cannot be included together. The script can't tell, so it warns. The script dislikes the other guard symbols, too. They don't match their file name (they should, to make guard collisions less likely), and __UC32_SYSCALL_H__ is a reserved identifier. Clean them all up: use guard symbol $target_TARGET_SYSCALL_H for linux-user/$target/target_sycall.h. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Richard Henderson <rth@twiddle.net>
* linux-user: Support for restarting system calls for SPARC targetsTimothy E Baldwin2016-05-271-0/+1
| | | | | | | | | | | | | | | Update the SPARC main loop and sigreturn code: * on TARGET_ERESTARTSYS, wind guest PC backwards to repeat syscall insn * set all guest CPU state within signal.c code on sigreturn * handle TARGET_QEMU_ESIGRETURN in the main loop as the indication that the main loop should not touch any guest CPU state Signed-off-by: Timothy Edward Baldwin <T.E.Baldwin99@members.leeds.ac.uk> Message-id: 1441497448-32489-9-git-send-email-T.E.Baldwin99@members.leeds.ac.uk [PMM: Commit message tweaks; drop TARGET_USE_ERESTARTSYS define] Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
* linux-user: correct timerfd_create syscall numbersRiku Voipio2016-02-231-1/+1
| | | | | | | | | | | | x86, m68k, ppc, sh4 and sparc failed to enable timerfd, because they didn't have timerfd_create system call defined. Instead QEMU defined timerfd syscall. Checking with kernel sources, it appears kernel developers reused timerfd syscall number with timerfd_create, presumably since no userspace called the old syscall number. Reported-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
* linux-user: sync syscall numbers with kernelRiku Voipio2016-02-231-0/+14
| | | | | | | Sync syscall numbers to match the linux v4.5-rc1 kernel. Reviewed-by: Laurent Vivier <laurent@vivier.eu> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
* build: [linux-user] Rename "syscall.h" to "target_syscall.h" in target ↵Lluís Vilanova2016-02-231-0/+5
| | | | | | | | | | | directories This fixes double-definitions in linux-user builds when using the UST tracing backend (which indirectly includes the system's "syscall.h"). Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
* linux-user: Support target-to-host translation of mlockall argumentTom Musta2014-08-221-0/+2
| | | | | | | | | | | | | The argument to the mlockall system call is not necessarily the same on all platforms and thus may require translation prior to passing to the host. For example, PowerPC 64 bit platforms define values for MCL_CURRENT (0x2000) and MCL_FUTURE (0x4000) which are different from Intel platforms (0x1 and 0x2, respectively) Signed-off-by: Tom Musta <tommusta@gmail.com> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
* linux-user: Minimum Sig Handler Stack Size for PPC64 ELF V2Tom Musta2014-08-221-0/+1
| | | | | | | | The ELF V2 ABI for PPC64 defines MINSIGSTKSZ as 4096 bytes whereas it was 2048 previously. Signed-off-by: Tom Musta <tommusta@gmail.com> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
* linux-user: set minimum kernel version to 2.6.32Riku Voipio2014-03-101-0/+1
| | | | | | | | | | | | | | | Popular glibc based distributions[1] require minimum 2.6.32 as kernel version. For some targets 2.6.18 would be enough, but dropping so low would mean some suboptimal system calls could get used. Set the minimum kernel advertized to 2.6.32 for all architectures but aarch64 to ensure working qemu linux-user in case host kernel is older. [1] https://bugs.launchpad.net/ubuntu/+source/eglibc/+bug/921078 Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
* linux-user: sync syscall numbers upto 3.13Riku Voipio2014-02-181-0/+7
| | | | | | | All others updated except unicore, which doesn't look right to begin with. Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
* linux-user: create target_structs header to place ipc_perm and shmid_dsPetar Jovanovic2013-11-291-0/+63
| | | | | | | | | Creating target_structs header in linux-user/$arch/ and making target_ipc_perm and target_shmid_ds its first inhabitants. The struct defintions may/should be further fine-tuned by arch maintainers. Signed-off-by: Petar Jovanovic <petar.jovanovic@imgtec.com> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
* linux-user: Clean up handling of clone() argument orderPeter Maydell2013-07-221-0/+7
| | | | | | | | | | | | | | | | | | | Linux manages to have three separate orderings of the arguments to the clone() syscall on different architectures. In the kernel these are selected via CONFIG_CLONE_BACKWARDS and CONFIG_CLONE_BACKWARDS2. Clean up our implementation of this to use similar #define names rather than a TARGET_* ifdef ladder. This includes behaviour changes fixing bugs on cris, x86-64, m68k, openrisc and unicore32. cris had explicit but wrong handling; the others were just incorrectly using QEMU's default, which happened to be the equivalent of CONFIG_CLONE_BACKWARDS. (unicore32 appears to be broken in the mainline kernel in that it tries to use arg3 for both parent_tidptr and newtls simultaneously -- we don't attempt to emulate this bug...) Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
* linux-user: Enable NPTL for SPARC targetsPeter Maydell2013-07-221-4/+12
| | | | | | | | | | Provide the missing cpu_set_tls(), and resolve the FIXME in cpu_clone_regs() by clearing the carry flag for the child. This allows us to turn on building with NPTL for SPARC. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
* linux-user: Move cpu_clone_regs() and cpu_set_tls() into linux-userPeter Maydell2013-07-091-0/+36
| | | | | | | | | | | | | The functions cpu_clone_regs() and cpu_set_tls() are not purely CPU related -- they are specific to the TLS ABI for a a particular OS. Move them into the linux-user/ tree where they belong. target-lm32 had entirely unused implementations, since it has no linux-user target; just drop them. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Acked-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Andreas Färber <afaerber@suse.de>
* linux-user: Add more sparc syscall numbersDillon Amburgey2013-03-111-0/+2
| | | | | Signed-off-by: Dillon Amburgey <dillona@dillona.com> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
* linux-user: Merge pread/pwrite into pread64/pwrite64Peter Maydell2012-12-081-2/+2
| | | | | | | | | | | | | | | | The Linux syscalls underlying pread() and pwrite() take a 64 bit offset on all architectures, even if some of them name the syscall "pread/pwrite" rather than "pread64/pwrite64" for historical reasons. So move the four QEMU target architectures (arm, i386, sparc, unicore32) which were defining TARGET_NR_pread/pwrite to define TARGET_NR_pread64/pwrite64 instead, and drop the TARGET_NR_pread/pwrite implementation code completely. (Based on examination of the kernel sources for the four architectures this patch affects.) Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
* sparc-linux-user: Add some missing syscall numbersRichard Henderson2011-10-271-0/+3
| | | | | Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
* linux-user: Add syscall numbers from kernel 2.6.39.2Peter Maydell2011-07-111-0/+12
| | | | | | | | Add syscall numbers for new syscall numbers; this brings us into line with Linux 2.6.39.2. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
* Revert "Get rid of _t suffix"Anthony Liguori2009-10-011-1/+1
| | | | | | | | | | | | In the very least, a change like this requires discussion on the list. The naming convention is goofy and it causes a massive merge problem. Something like this _must_ be presented on the list first so people can provide input and cope with it. This reverts commit 99a0949b720a0936da2052cb9a46db04ffc6db29. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
* Get rid of _t suffixmalc2009-10-011-1/+1
| | | | | | | Some not so obvious bits, slirp and Xen were left alone for the time being. Signed-off-by: malc <av1474@comtv.ru>
* linux-user: update syscall listRiku Voipio2009-06-161-0/+9
| | | | | | In preparation for supporting pipe2() Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
* Remove unnecessary trailing newlinesblueswir12008-12-131-1/+0Star
| | | | git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6000 c046a42c-6fe2-441c-8c8c-71466251a162
* Support for 32 bit ABI on 64 bit targets (only enabled Sparc64)blueswir12007-10-142-9/+9
| | | | git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3396 c046a42c-6fe2-441c-8c8c-71466251a162
* Move get_sp_from_cpustate from cpu.h to target_signal.h.ths2007-09-271-0/+12
| | | | | | | Enable sigaltstack processing for more architectures. git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3253 c046a42c-6fe2-441c-8c8c-71466251a162
* linux-user sigaltstack() syscall, by Thayne Harbaugh.ths2007-09-271-0/+24
| | | | git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3252 c046a42c-6fe2-441c-8c8c-71466251a162
* Update Linux kernel syscall list.ths2007-09-241-1/+59
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* Sync termbits.h with current Linux kernel.ths2007-09-241-0/+1
| | | | git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3215 c046a42c-6fe2-441c-8c8c-71466251a162
* find -type f | xargs sed -i 's/[\t ]$//g' # on most filesths2007-09-161-1/+1
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* uname fixbellard2004-09-131-0/+2
| | | | git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1066 c046a42c-6fe2-441c-8c8c-71466251a162
* removed test codebellard2004-01-041-1/+1
| | | | git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@498 c046a42c-6fe2-441c-8c8c-71466251a162
* termios support for SPARC and PPCbellard2004-01-041-0/+279
| | | | git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@496 c046a42c-6fe2-441c-8c8c-71466251a162
* SPARC fixes: corrected PC/NPC logic (now slower but can be optimized a lot) ↵bellard2004-01-041-1/+1
| | | | | | - fixed flags computations - added register window exceptions support - fixed mul and div - added mulscc - fixed immediate field decoding git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@484 c046a42c-6fe2-441c-8c8c-71466251a162
* sparc emulation target (thanx to Thomas M. Ogrisegg)bellard2003-09-302-0/+227
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@386 c046a42c-6fe2-441c-8c8c-71466251a162
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