summaryrefslogtreecommitdiffstats
path: root/linux-user/main.c
Commit message (Collapse)AuthorAgeFilesLines
...
* Include qemu/module.h where needed, drop it from qemu-common.hMarkus Armbruster2019-06-121-0/+1
| | | | | | | | | Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20190523143508.25387-4-armbru@redhat.com> [Rebased with conflicts resolved automatically, except for hw/usb/dev-hub.c hw/misc/exynos4210_rng.c hw/misc/bcm2835_rng.c hw/misc/aspeed_scu.c hw/display/virtio-vga.c hw/arm/stm32f205_soc.c; ui/cocoa.m fixed up]
* qemu-common: Move tcg_enabled() etc. to sysemu/tcg.hMarkus Armbruster2019-06-111-0/+2
| | | | | | | | | | | | | | | | | | | Other accelerators have their own headers: sysemu/hax.h, sysemu/hvf.h, sysemu/kvm.h, sysemu/whpx.h. Only tcg_enabled() & friends sit in qemu-common.h. This necessitates inclusion of qemu-common.h into headers, which is against the rules spelled out in qemu-common.h's file comment. Move tcg_enabled() & friends into their own header sysemu/tcg.h, and adjust #include directives. Cc: Richard Henderson <rth@twiddle.net> Cc: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20190523143508.25387-2-armbru@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> [Rebased with conflicts resolved automatically, except for accel/tcg/tcg-all.c]
* cpu: Replace ENV_GET_CPU with env_cpuRichard Henderson2019-06-101-1/+1
| | | | | | | | | Now that we have both ArchCPU and CPUArchState, we can define this generically instead of via macro in each target's cpu.h. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Acked-by: Alistair Francis <alistair.francis@wdc.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* linux-user: Remove srand callRichard Henderson2019-05-221-11/+0Star
| | | | | | | | We no longer use rand() within linux-user. Reviewed-by: Laurent Vivier <lvivier@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* linux-user: Call qcrypto_init if not using -seedRichard Henderson2019-05-221-9/+19
| | | | | | | | | When not using -seed, we will use the crypto subsystem for random numbers. Reviewed-by: Laurent Vivier <lvivier@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* linux-user: Initialize pseudo-random seeds for all guest cpusRichard Henderson2019-05-221-11/+19
| | | | | | | | | | | When the -seed option is given, call qemu_guest_random_seed_main, putting the subsystem into deterministic mode. Pass derived seeds to each cpu created during clone; which is a no-op unless the subsystem is in deterministic mode. Reviewed-by: Laurent Vivier <lvivier@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* cpu: Rename parse_cpu_model() to parse_cpu_option()Eduardo Habkost2019-04-251-1/+1
| | | | | | | | | | | | | The "model[,option...]" string parsed by the function is not just a CPU model. Rename the function and its argument to indicate it expects the full "-cpu" option to be provided. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Message-Id: <20190417025944.16154-2-ehabkost@redhat.com> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Reviewed-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
* target: Simplify how the TARGET_cpu_list() printMarkus Armbruster2019-04-181-1/+1
| | | | | | | | | | | | | | | | | The various TARGET_cpu_list() take an fprintf()-like callback and a FILE * to pass to it. Their callers (vl.c's main() via list_cpus(), bsd-user/main.c's main(), linux-user/main.c's main()) all pass fprintf() and stdout. Thus, the flexibility provided by the (rather tiresome) indirection isn't actually used. Drop the callback, and call qemu_printf() instead. Calling printf() would also work, but would make the code unsuitable for monitor context without making it simpler. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20190417191805.28198-10-armbru@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
* log: Make glib logging go through QEMUChristophe Fergeau2019-04-171-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This commit adds a error_init() helper which calls g_log_set_default_handler() so that glib logs (g_log, g_warning, ...) are handled similarly to other QEMU logs. This means they will get a timestamp if timestamps are enabled, and they will go through the HMP monitor if one is configured. This commit also adds a call to error_init() to the binaries installed by QEMU. Since error_init() also calls error_set_progname(), this means that *-linux-user, *-bsd-user and qemu-pr-helper messages output with error_report, info_report, ... will slightly change: they will be prefixed by the binary name. glib debug messages are enabled through G_MESSAGES_DEBUG similarly to the glib default log handler. At the moment, this change will mostly impact SPICE logging if your spice version is >= 0.14.1. With older spice versions, this is not going to work as expected, but will not have any ill effect, so this call is not conditional on the SPICE version. Signed-off-by: Christophe Fergeau <cfergeau@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-Id: <20190131164614.19209-3-cfergeau@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
* avoid TABs in files that only contain a fewPaolo Bonzini2019-01-111-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Most files that have TABs only contain a handful of them. Change them to spaces so that we don't confuse people. disas, standard-headers, linux-headers and libdecnumber are imported from other projects and probably should be exempted from the check. Outside those, after this patch the following files still contain both 8-space and TAB sequences at the beginning of the line. Many of them have a majority of TABs, or were initially committed with all tabs. bsd-user/i386/target_syscall.h bsd-user/x86_64/target_syscall.h crypto/aes.c hw/audio/fmopl.c hw/audio/fmopl.h hw/block/tc58128.c hw/display/cirrus_vga.c hw/display/xenfb.c hw/dma/etraxfs_dma.c hw/intc/sh_intc.c hw/misc/mst_fpga.c hw/net/pcnet.c hw/sh4/sh7750.c hw/timer/m48t59.c hw/timer/sh_timer.c include/crypto/aes.h include/disas/bfd.h include/hw/sh4/sh.h libdecnumber/decNumber.c linux-headers/asm-generic/unistd.h linux-headers/linux/kvm.h linux-user/alpha/target_syscall.h linux-user/arm/nwfpe/double_cpdo.c linux-user/arm/nwfpe/fpa11_cpdt.c linux-user/arm/nwfpe/fpa11_cprt.c linux-user/arm/nwfpe/fpa11.h linux-user/flat.h linux-user/flatload.c linux-user/i386/target_syscall.h linux-user/ppc/target_syscall.h linux-user/sparc/target_syscall.h linux-user/syscall.c linux-user/syscall_defs.h linux-user/x86_64/target_syscall.h slirp/cksum.c slirp/if.c slirp/ip.h slirp/ip_icmp.c slirp/ip_icmp.h slirp/ip_input.c slirp/ip_output.c slirp/mbuf.c slirp/misc.c slirp/sbuf.c slirp/socket.c slirp/socket.h slirp/tcp_input.c slirp/tcpip.h slirp/tcp_output.c slirp/tcp_subr.c slirp/tcp_timer.c slirp/tftp.c slirp/udp.c slirp/udp.h target/cris/cpu.h target/cris/mmu.c target/cris/op_helper.c target/sh4/helper.c target/sh4/op_helper.c target/sh4/translate.c tcg/sparc/tcg-target.inc.c tests/tcg/cris/check_addo.c tests/tcg/cris/check_moveq.c tests/tcg/cris/check_swap.c tests/tcg/multiarch/test-mmap.c ui/vnc-enc-hextile-template.h ui/vnc-enc-zywrle.h util/envlist.c util/readline.c The following have only TABs: bsd-user/i386/target_signal.h bsd-user/sparc64/target_signal.h bsd-user/sparc64/target_syscall.h bsd-user/sparc/target_signal.h bsd-user/sparc/target_syscall.h bsd-user/x86_64/target_signal.h crypto/desrfb.c hw/audio/intel-hda-defs.h hw/core/uboot_image.h hw/sh4/sh7750_regnames.c hw/sh4/sh7750_regs.h include/hw/cris/etraxfs_dma.h linux-user/alpha/termbits.h linux-user/arm/nwfpe/fpopcode.h linux-user/arm/nwfpe/fpsr.h linux-user/arm/syscall_nr.h linux-user/arm/target_signal.h linux-user/cris/target_signal.h linux-user/i386/target_signal.h linux-user/linux_loop.h linux-user/m68k/target_signal.h linux-user/microblaze/target_signal.h linux-user/mips64/target_signal.h linux-user/mips/target_signal.h linux-user/mips/target_syscall.h linux-user/mips/termbits.h linux-user/ppc/target_signal.h linux-user/sh4/target_signal.h linux-user/sh4/termbits.h linux-user/sparc64/target_syscall.h linux-user/sparc/target_signal.h linux-user/x86_64/target_signal.h linux-user/x86_64/termbits.h pc-bios/optionrom/optionrom.h slirp/mbuf.h slirp/misc.h slirp/sbuf.h slirp/tcp.h slirp/tcp_timer.h slirp/tcp_var.h target/i386/svm.h target/sparc/asi.h target/xtensa/core-dc232b/xtensa-modules.inc.c target/xtensa/core-dc233c/xtensa-modules.inc.c target/xtensa/core-de212/core-isa.h target/xtensa/core-de212/xtensa-modules.inc.c target/xtensa/core-fsf/xtensa-modules.inc.c target/xtensa/core-sample_controller/core-isa.h target/xtensa/core-sample_controller/xtensa-modules.inc.c target/xtensa/core-test_kc705_be/core-isa.h target/xtensa/core-test_kc705_be/xtensa-modules.inc.c tests/tcg/cris/check_abs.c tests/tcg/cris/check_addc.c tests/tcg/cris/check_addcm.c tests/tcg/cris/check_addoq.c tests/tcg/cris/check_bound.c tests/tcg/cris/check_ftag.c tests/tcg/cris/check_int64.c tests/tcg/cris/check_lz.c tests/tcg/cris/check_openpf5.c tests/tcg/cris/check_sigalrm.c tests/tcg/cris/crisutils.h tests/tcg/cris/sys.c tests/tcg/i386/test-i386-ssse3.c ui/vgafont.h Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <20181213223737.11793-3-pbonzini@redhat.com> Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Wainer dos Santos Moschetta <wainersm@redhat.com> Acked-by: Richard Henderson <richard.henderson@linaro.org> Acked-by: Eric Blake <eblake@redhat.com> Acked-by: David Gibson <david@gibson.dropbear.id.au> Reviewed-by: Stefan Markovic <smarkovic@wavecomp.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* qom: convert the CPU list to RCUEmilio G. Cota2018-08-231-1/+1
| | | | | | | | | | | | | | Iterating over the list without using atomics is undefined behaviour, since the list can be modified concurrently by other threads (e.g. every time a new thread is created in user-mode). Fix it by implementing the CPU list as an RCU QTAILQ. This requires a little bit of extra work to traverse list in reverse order (see previous patch), but other than that the conversion is trivial. Signed-off-by: Emilio G. Cota <cota@braap.org> Message-Id: <20180819091335.22863-12-cota@braap.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* linux-user: fix mmap_find_vma_reserved()Laurent Vivier2018-07-151-7/+12
| | | | | | | | | | | | | | | | | | The value given by mmap_find_vma_reserved() is used with mmap(), so it is needed to be aligned with the host page size. Since commit 18e80c55bb, reserved_va is only aligned to TARGET_PAGE_SIZE, and it works well if this size is greater or equal to the host page size. But ppc64 hosts have 64kB page size and when we start a 4kiB page size guest (like i386), it fails when it tries to mmap the stack: mmap stack: Invalid argument Fixes: 18e80c55bb (linux-user: Tidy and enforce reserved_va initialization) Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20180714193553.30846-1-laurent@vivier.eu>
* linux-user: Use the IEC binary prefix definitionsPhilippe Mathieu-Daudé2018-07-021-2/+3
| | | | | | | | | | | | | | | It eases code review, unit is explicit. Patch generated using: $ git grep -n '[<>][<>]= ?[1-5]0' and modified manually. Suggested-by: Eric Blake <eblake@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20180625124238.25339-46-f4bug@amsat.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* tcg: remove tb_lockEmilio G. Cota2018-06-151-3/+0Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use mmap_lock in user-mode to protect TCG state and the page descriptors. In !user-mode, each vCPU has its own TCG state, so no locks needed. Per-page locks are used to protect the page descriptors. Per-TB locks are used in both modes to protect TB jumps. Some notes: - tb_lock is removed from notdirty_mem_write by passing a locked page_collection to tb_invalidate_phys_page_fast. - tcg_tb_lookup/remove/insert/etc have their own internal lock(s), so there is no need to further serialize access to them. - do_tb_flush is run in a safe async context, meaning no other vCPU threads are running. Therefore acquiring mmap_lock there is just to please tools such as thread sanitizer. - Not visible in the diff, but tb_invalidate_phys_page already has an assert_memory_lock. - cpu_io_recompile is !user-only, so no mmap_lock there. - Added mmap_unlock()'s before all siglongjmp's that could be called in user-mode while mmap_lock is held. + Added an assert for !have_mmap_lock() after returning from the longjmp in cpu_exec, just like we do in cpu_exec_step_atomic. Performance numbers before/after: Host: AMD Opteron(tm) Processor 6376 ubuntu 17.04 ppc64 bootup+shutdown time 700 +-+--+----+------+------------+-----------+------------*--+-+ | + + + + + *B | | before ***B*** ** * | |tb lock removal ###D### *** | 600 +-+ *** +-+ | ** # | | *B* #D | | *** * ## | 500 +-+ *** ### +-+ | * *** ### | | *B* # ## | | ** * #D# | 400 +-+ ** ## +-+ | ** ### | | ** ## | | ** # ## | 300 +-+ * B* #D# +-+ | B *** ### | | * ** #### | | * *** ### | 200 +-+ B *B #D# +-+ | #B* * ## # | | #* ## | | + D##D# + + + + | 100 +-+--+----+------+------------+-----------+------------+--+-+ 1 8 16 Guest CPUs 48 64 png: https://imgur.com/HwmBHXe debian jessie aarch64 bootup+shutdown time 90 +-+--+-----+-----+------------+------------+------------+--+-+ | + + + + + + | | before ***B*** B | 80 +tb lock removal ###D### **D +-+ | **### | | **## | 70 +-+ ** # +-+ | ** ## | | ** # | 60 +-+ *B ## +-+ | ** ## | | *** #D | 50 +-+ *** ## +-+ | * ** ### | | **B* ### | 40 +-+ **** # ## +-+ | **** #D# | | ***B** ### | 30 +-+ B***B** #### +-+ | B * * # ### | | B ###D# | 20 +-+ D ##D## +-+ | D# | | + + + + + + | 10 +-+--+-----+-----+------------+------------+------------+--+-+ 1 8 16 Guest CPUs 48 64 png: https://imgur.com/iGpGFtv The gains are high for 4-8 CPUs. Beyond that point, however, unrelated lock contention significantly hurts scalability. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Emilio G. Cota <cota@braap.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* linux-user: update comments to point to tcg_exec_init()Igor Mammedov2018-05-251-3/+2Star
| | | | | | | | | | | | | cpu_init() was replaced by cpu_create() since 2.12 but comments weren't updated. So update stale comments to point that page sizes arei actually initialized by tcg_exec_init(). Also move another qemu_host_page_size related comment before tcg_exec_init() where it belongs. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Message-Id: <1526557877-293151-1-git-send-email-imammedo@redhat.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
* linux-user: move xtensa cpu loop to xtensa directoryLaurent Vivier2018-04-301-250/+0Star
| | | | | | | | | No code change, only move code from main.c to xtensa/cpu_loop.c. Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20180411185651.21351-20-laurent@vivier.eu>
* linux-user: move hppa cpu loop to hppa directoryLaurent Vivier2018-04-301-193/+1Star
| | | | | | | | | | No code change, only move code from main.c to hppa/cpu_loop.c. 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: <20180411185651.21351-19-laurent@vivier.eu>
* linux-user: move riscv cpu loop to riscv directoryLaurent Vivier2018-04-301-100/+1Star
| | | | | | | | | | | No code change, only move code from main.c to riscv/cpu_loop.c. Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Michael Clark <mjc@sifive.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20180411185651.21351-18-laurent@vivier.eu>
* linux-user: move tilegx cpu loop to tilegx directoryLaurent Vivier2018-04-301-267/+0Star
| | | | | | | | | No code change, only move code from main.c to tilegx/cpu_loop.c. Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20180411185651.21351-17-laurent@vivier.eu>
* linux-user: move s390x cpu loop to s390x directoryLaurent Vivier2018-04-301-146/+0Star
| | | | | | | | | | | No code change, only move code from main.c to s390x/cpu_loop.c. Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Acked-by: Cornelia Huck <cohuck@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20180411185651.21351-16-laurent@vivier.eu>
* linux-user: move alpha cpu loop to alpha directoryLaurent Vivier2018-04-301-204/+0Star
| | | | | | | | | | No code change, only move code from main.c to alpha/cpu_loop.c. 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: <20180411185651.21351-15-laurent@vivier.eu>
* linux-user: move m68k cpu loop to m68k directoryLaurent Vivier2018-04-301-149/+1Star
| | | | | | | | | No code change, only move code from main.c to m68k/cpu_loop.c. Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20180411185651.21351-14-laurent@vivier.eu>
* linux-user: move microblaze cpu loop to microblaze directoryLaurent Vivier2018-04-301-155/+0Star
| | | | | | | | | | No code change, only move code from main.c to microblaze/cpu_loop.c. 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: <20180411185651.21351-13-laurent@vivier.eu>
* linux-user: move cris cpu loop to cris directoryLaurent Vivier2018-04-301-90/+0Star
| | | | | | | | | | No code change, only move code from main.c to cris/cpu_loop.c. 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: <20180411185651.21351-12-laurent@vivier.eu>
* linux-user: move sh4 cpu loop to sh4 directoryLaurent Vivier2018-04-301-90/+0Star
| | | | | | | | | | No code change, only move code from main.c to sh4/cpu_loop.c. 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: <20180411185651.21351-11-laurent@vivier.eu>
* linux-user: move openrisc cpu loop to openrisc directoryLaurent Vivier2018-04-301-96/+0Star
| | | | | | | | | No code change, only move code from main.c to openrisc/cpu_loop.c. Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20180411185651.21351-10-laurent@vivier.eu>
* linux-user: move nios2 cpu loop to nios2 directoryLaurent Vivier2018-04-301-133/+0Star
| | | | | | | | | No code change, only move code from main.c to nios2/cpu_loop.c. Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20180411185651.21351-9-laurent@vivier.eu>
* linux-user: move mips/mips64 cpu loop to mips directoryLaurent Vivier2018-04-301-725/+0Star
| | | | | | | | | | | | | No code change, only move code from main.c to mips/cpu_loop.c. Include mips/cpu_loop.c in mips64/cpu_loop.c to avoid to duplicate code. 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: <20180411185651.21351-8-laurent@vivier.eu>
* linux-user: move ppc/ppc64 cpu loop to ppc directoryLaurent Vivier2018-04-301-559/+1Star
| | | | | | | | | No code change, only move code from main.c to ppc/cpu_loop.c. Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20180411185651.21351-7-laurent@vivier.eu>
* linux-user: move sparc/sparc64 cpu loop to sparc directoryLaurent Vivier2018-04-301-287/+1Star
| | | | | | | | | | | | | No code change, only move code from main.c to sparc/cpu_loop.c. Include sparc/cpu_loop.c in sparc64/cpu_loop.c to avoid to duplicate code. 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: <20180411185651.21351-6-laurent@vivier.eu>
* linux-user: move arm cpu loop to arm directoryLaurent Vivier2018-04-301-431/+2Star
| | | | | | | | | | No code change, only move code from main.c to arm/cpu_loop.c and duplicate some macro defined for both arm and aarch64. Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20180411185651.21351-5-laurent@vivier.eu>
* linux-user: move aarch64 cpu loop to aarch64 directoryLaurent Vivier2018-04-301-107/+2Star
| | | | | | | | | | No code change, only move code from main.c to aarch64/cpu_loop.c and duplicate some macro defined for both arm and aarch64. Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20180411185651.21351-4-laurent@vivier.eu>
* linux-user: move i386/x86_64 cpu loop to i386 directoryLaurent Vivier2018-04-301-347/+1Star
| | | | | | | | | | | | No code change, only move code from main.c to i386/cpu_loop.c. Include i386/cpu_loop.c in x86_64/cpu_loop.c to avoid to duplicate code. Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20180411185651.21351-3-laurent@vivier.eu>
* linux-user: create a dummy per arch cpu_loop.cLaurent Vivier2018-04-301-14/+3Star
| | | | | | | | | | | | | | | Create a cpu_loop-common.h for future use by these new files and use it in the existing main.c Introduce target_cpu_copy_regs(): declare the function in cpu_loop-common.h and an empty function for each target, to move all the cpu_loop prologues to this function. Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20180411185651.21351-2-laurent@vivier.eu>
* target/xtensa: linux-user: rewind pc for restarted syscallMax Filippov2018-03-311-0/+3
| | | | | | | | In case of syscall restart request set pc back to the syscall instruction. Reviewed-by: Laurent Vivier <laurent@vivier.eu> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
* Use cpu_create(type) instead of cpu_init(cpu_model)Igor Mammedov2018-03-191-2/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | With all targets defining CPU_RESOLVING_TYPE, refactor cpu_parse_cpu_model(type, cpu_model) to parse_cpu_model(cpu_model) so that callers won't have to know internal resolving cpu type. Place it in exec.c so it could be called from both target independed vl.c and *-user/main.c. That allows us to stop abusing cpu type from MachineClass::default_cpu_type as resolver class in vl.c which were confusing part of cpu_parse_cpu_model(). Also with new parse_cpu_model(), the last users of cpu_init() in null-machine.c and bsd/linux-user targets could be switched to cpu_create() API and cpu_init() API will be removed by follow up patch. With no longer users left remove MachineState::cpu_model field, new code should use MachineState::cpu_type instead and leave cpu_model parsing to generic code in vl.c. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Message-Id: <1518000027-274608-5-git-send-email-imammedo@redhat.com> [ehabkost: Fix bsd-user build error] Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
* Merge remote-tracking branch 'remotes/xtensa/tags/20180316-xtensa' into stagingPeter Maydell2018-03-171-0/+245
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | target/xtensa linux-user support. - small cleanup for xtensa registers dumping (-d cpu); - add support for debugging linux-user process with xtensa-linux-gdb (as opposed to xtensa-elf-gdb), which can only access unprivileged registers; - enable MTTCG for target/xtensa; - cleanup in linux-user/mmap area making sure that it works correctly with limited 30-bit-wide user address space; - import xtensa-specific definitions from the linux kernel, conditionalize user-only/softmmu-only code and add handlers for signals, exceptions, process/thread creation and core registers dumping. # gpg: Signature made Fri 16 Mar 2018 16:46:19 GMT # gpg: using RSA key 51F9CC91F83FA044 # gpg: Good signature from "Max Filippov <filippov@cadence.com>" # gpg: aka "Max Filippov <max.filippov@cogentembedded.com>" # gpg: aka "Max Filippov <jcmvbkbc@gmail.com>" # Primary key fingerprint: 2B67 854B 98E5 327D CDEB 17D8 51F9 CC91 F83F A044 * remotes/xtensa/tags/20180316-xtensa: MAINTAINERS: fix W: address for xtensa qemu-binfmt-conf.sh: add qemu-xtensa target/xtensa: add linux-user support linux-user: drop unused target_msync function linux-user: fix target_mprotect/target_munmap error return values linux-user: fix assertion in shmdt linux-user: fix mmap/munmap/mprotect/mremap/shmat target/xtensa: support MTTCG target/xtensa: use correct number of registers in gdbstub target/xtensa: mark register windows in the dump target/xtensa: dump correct physical registers Signed-off-by: Peter Maydell <peter.maydell@linaro.org> # Conflicts: # linux-user/syscall.c
| * target/xtensa: add linux-user supportMax Filippov2018-03-161-0/+245
| | | | | | | | | | | | | | | | | | | | Import list of syscalls from the kernel source. Conditionalize code/data that is only used with softmmu. Implement exception handlers. Implement signal hander (only the core registers for now, no coprocessors or TIE). Cc: Riku Voipio <riku.voipio@iki.fi> Cc: Laurent Vivier <laurent@vivier.eu> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
* | Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into stagingPeter Maydell2018-03-161-1/+1
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Record-replay lockstep execution, log dumper and fixes (Alex, Pavel) * SCSI fix to pass maximum transfer size (Daniel Barboza) * chardev fixes and improved iothread support (Daniel Berrangé, Peter) * checkpatch tweak (Eric) * make help tweak (Marc-André) * make more PCI NICs available with -net or -nic (myself) * change default q35 NIC to e1000e (myself) * SCSI support for NDOB bit (myself) * membarrier system call support (myself) * SuperIO refactoring (Philippe) * miscellaneous cleanups and fixes (Thomas) # gpg: Signature made Mon 12 Mar 2018 16:10:52 GMT # gpg: using RSA key BFFBD25F78C7AE83 # gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" # gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" # 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 * remotes/bonzini/tags/for-upstream: (69 commits) tcg: fix cpu_io_recompile replay: update documentation replay: save vmstate of the asynchronous events replay: don't process async events when warping the clock scripts/replay-dump.py: replay log dumper replay: avoid recursive call of checkpoints replay: check return values of fwrite replay: push replay_mutex_lock up the call tree replay: don't destroy mutex at exit replay: make locking visible outside replay code replay/replay-internal.c: track holding of replay_lock replay/replay.c: bump REPLAY_VERSION again replay: save prior value of the host clock replay: added replay log format description replay: fix save/load vm for non-empty queue replay: fixed replay_enable_events replay: fix processing async events cpu-exec: fix exception_index handling hw/i386/pc: Factor out the superio code hw/alpha/dp264: Use the TYPE_SMC37C669_SUPERIO ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org> # Conflicts: # default-configs/i386-softmmu.mak # default-configs/x86_64-softmmu.mak
| * | Polish the version strings containing the package versionThomas Huth2018-03-121-1/+1
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since commit 67a1de0d195a there is no space anymore between the version number and the parentheses when running configure with --with-pkgversion=foo : $ qemu-system-s390x --version QEMU emulator version 2.11.50(foo) But the space is included when building without that option when building from a git checkout: $ qemu-system-s390x --version QEMU emulator version 2.11.50 (v2.11.0-1494-gbec9c64-dirty) The same confusion exists with the "query-version" QMP command. Let's fix this by introducing a proper QEMU_FULL_VERSION definition that includes the space and parentheses, while the QEMU_PKGVERSION should just cleanly contain the package version string itself. Note that this also changes the behavior of the "query-version" QMP command (the space and parentheses are not included there anymore), but that's supposed to be OK since the strings there are not meant to be parsed by other tools. Fixes: 67a1de0d195a6185c39b436159c9ffc7720bf979 Buglink: https://bugs.launchpad.net/qemu/+bug/1673373 Signed-off-by: Thomas Huth <thuth@redhat.com> Message-Id: <1518692807-25859-1-git-send-email-thuth@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* / linux-user: Drop unicore32 codePeter Maydell2018-03-091-98/+1Star
|/ | | | | | | | | | | | We dropped the unicore32-linux-user target in commit 5e2b40f7271cf9 in 2016. Nobody has made any attempt to fix the issues that caused us to drop it, so remove the associated code. (The system emulation parts of unicore32 remain.) Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Message-Id: <20180308144733.25615-2-peter.maydell@linaro.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
* RISC-V Linux User EmulationMichael Clark2018-03-061-0/+99
| | | | | | | | Implementation of linux user emulation for RISC-V. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Sagar Karandikar <sagark@eecs.berkeley.edu> Signed-off-by: Michael Clark <mjc@sifive.com>
* linux-user: introduce functions to detect CPU typeYunQiang Su2018-02-251-10/+10
| | | | | | | | | | | Add a function to return ELF e_flags and use it to select the CPU model. Signed-off-by: YunQiang Su <syq@debian.org> [lv: split the patch and some cleanup in get_elf_eflags()] Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20180220173307.25125-3-laurent@vivier.eu>
* linux-user: Move CPU type name selection to a functionLaurent Vivier2018-02-251-39/+2Star
| | | | | | | | | | | | | | | | | 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: Remove THREAD macroPeter Maydell2018-02-181-1/+1
| | | | | | | | | | | | | | | Back when we used to support compiling either with or without NPTL threading library support, we used a macro THREAD which would expand either to nothing (no thread support) or to __thread (threads supported). For a long time now we have required thread support, so remove the macro and just use __thread directly as other parts of QEMU do. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20180213132246.26844-1-peter.maydell@linaro.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
* target/hppa: Add control registersRichard Henderson2018-01-301-2/+2
| | | | Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* target/hppa: Define hardware exception typesRichard Henderson2018-01-301-3/+23
| | | | Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* linux-user: wrap fork() in a start/end exclusive sectionPeter Maydell2018-01-231-0/+5
| | | | | | | | | | | | | | | | | | | | When we do a fork() in usermode emulation, we need to be in a start/end exclusive section, so that we can ensure that no other thread is in an RCU section. Otherwise you can get this deadlock: - fork thread: has mmap_lock, waits for rcu_sync_lock (because rcu_init_lock() is registered as a pthread_atfork() hook) - RCU thread: has rcu_sync_lock, waits for rcu_read_(un)lock - another CPU thread: in RCU critical section, waits for mmap_lock This can show up if you have a heavily multithreaded guest program that does a fork(). Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reported-by: Stuart Monteith <stuart.monteith@linaro.org> Message-Id: <1512650481-1723-1-git-send-email-peter.maydell@linaro.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
* linux-user: Fix locking order in fork_start()Peter Maydell2018-01-231-2/+2
| | | | | | | | | | | | | | | | | | | | | | | Our locking order is that the tb lock should be taken inside the mmap_lock, but fork_start() grabs locks the other way around. This means that if a heavily multithreaded guest process (such as Java) calls fork() it can deadlock, with the thread that called fork() stuck in fork_start() with the tb lock and waiting for the mmap lock, but some other thread in tb_find() with the mmap lock and waiting for the tb lock. The cpu_list_lock() should also always be taken last, not first. Fix this by making fork_start() grab the locks in the right order. The order in which we drop locks doesn't matter, so we leave fork_end() the way it is. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Cc: qemu-stable@nongnu.org Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <1512397331-15238-1-git-send-email-peter.maydell@linaro.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
* linux-user: Add support for big-endian aarch64Michael Weiser2018-01-111-0/+6
| | | | | | | | | | | | Enable big-endian mode for data accesses on aarch64 for big-endian linux user mode. Activate it for all exception levels as documented by ARM: Set the SCTLR EE bit for ELs 1 through 3. Additionally set bit E0E in EL1 to enable it in EL0 as well. Signed-off-by: Michael Weiser <michael.weiser@gmx.de> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20171220212308.12614-2-michael.weiser@gmx.de Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2024-12-12 05:38:09 +0100