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/qemu/docs/devel/
H A Dtracing.rst16 Enable tracing of ``memory_region_ops_read`` and ``memory_region_ops_write``
19 $ qemu --trace "memory_region_ops_*" ...
24 This output comes from the "log" trace backend that is enabled by default when
25 ``./configure --enable-trace-backends=BACKENDS`` was not explicitly specified.
27 Multiple patterns can be specified by repeating the ``--trace`` option::
29 $ qemu --trace "kvm_*" --trace "virtio_*" ...
32 file to avoid long command-line options::
36 $ qemu --trace events=/tmp/events ...
38 Trace events
41 Sub-directory setup
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/qemu/docs/
H A Dqemu-option-trace.rst.inc4 ``[enable=]PATTERN``
6 Immediately enable events matching *PATTERN*
9 or ``ftrace`` tracing backend. To specify multiple events or patterns,
10 specify the :option:`-trace` option multiple times.
12 Use :option:`-trace help` to print a list of names of trace points.
16 Immediately enable events listed in *FILE*.
17 The file must contain one event name (as listed in the ``trace-events-all``
20 ``ftrace`` tracing backend.
26 the ``simple`` tracing backend.
/qemu/trace/
H A Dcontrol.c4 * Copyright (C) 2011-2016 Lluís Vilanova <vilanova@ac.upc.edu>
7 * See the COPYING file in the top-level directory.
11 #include "trace/control.h"
15 #include "trace/simple.h"
18 #include "trace/ftrace.h"
27 #include "qemu/error-report.h"
28 #include "qemu/config-file.h"
45 .name = "trace",
46 .implied_opt_name = "enable",
50 .name = "enable",
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H A Dsimple.c2 * Simple trace backend
7 * the COPYING file in the top-level directory.
16 #include "trace/control.h"
17 #include "trace/simple.h"
18 #include "qemu/error-report.h"
19 #include "qemu/qemu-print.h"
21 /** Trace file header event ID, picked to avoid conflict with real event IDs */
24 /** Trace file magic number */
27 /** Trace file version number, bump if format changes */
31 #define DROPPED_EVENT_ID (~(uint64_t)0 - 1)
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H A Dsimple.h2 * Simple trace backend
7 * the COPYING file in the top-level directory.
15 bool st_set_trace_file_enabled(bool enable);
29 * Initialize a trace record and claim space for it in the buffer
36 * Append a 64-bit argument to a trace record
41 * Append a string argument to a trace record
46 * Mark a trace record completed
48 * Don't append any more arguments to the trace record after calling this.
H A Dcontrol.h4 * Copyright (C) 2011-2016 Lluís Vilanova <vilanova@ac.upc.edu>
7 * See the COPYING file in the top-level directory.
13 #include "event-internal.h"
41 * with non-matching names.
116 * compiled-in backends.
121 * Returns: true if at least one backend has the event enabled and the event
133 * Use the define 'TRACE_${EVENT_NAME}_ENABLED' for compile-time checks (it will
154 * Pre-condition: trace_event_get_state_static(ev) == true
161 * Initialize the tracing backend.
170 * Record the name of the output file for the tracing backend.
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/qemu/scripts/
H A Dmeson-buildoptions.sh1 # This file is generated by meson-buildoptions.py, do not edit!
3 printf "%s\n" ' --audio-drv-list=CHOICES Set audio driver list [default] (choices: alsa/co'
6 printf "%s\n" ' --bindir=VALUE Executable directory [bin]'
7 printf "%s\n" ' --block-drv-ro-whitelist=VALUE'
8 printf "%s\n" ' set block driver read-only whitelist (by default'
9 printf "%s\n" ' affects only QEMU, not tools like qemu-img)'
10 printf "%s\n" ' --block-drv-rw-whitelist=VALUE'
11 printf "%s\n" ' set block driver read-write whitelist (by default'
12 printf "%s\n" ' affects only QEMU, not tools like qemu-img)'
13 printf "%s\n" ' --datadir=VALUE Data file directory [share]'
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/qemu/
H A Dmeson_options.txt1 # These options do not correspond to a --enable/--disable-* option
3 # scripts/meson-buildoptions.py's SKIP_OPTIONS constant too.
9 option('qemu_firmwarepath', type : 'array', value : ['share/qemu-firmware'],
12 description: 'use specified string as sub-version of the package')
25 …description: 'set block driver read-write whitelist (by default affects only QEMU, not tools like …
27 …description: 'set block driver read-only whitelist (by default affects only QEMU, not tools like q…
28 option('interp_prefix', type : 'string', value : '/usr/gnemul/qemu-%M',
33 description: 'fuzzing engine library for OSS-Fuzz')
34 option('trace_file', type: 'string', value: 'trace',
35 description: 'Trace file prefix for simple backend')
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H A Dqemu-options.hx14 "-h or -help display this help and exit\n", QEMU_ARCH_ALL)
16 ``-h``
21 "-version display version information and exit\n", QEMU_ARCH_ALL)
23 ``-version``
28 "-machine [type=]name[,prop[=value][,...]]\n"
29 " selects emulated machine ('-machine help' for list)\n"
33 " dump-guest-core=on|off include guest memory in a core dump (default=on)\n"
34 " mem-merge=on|off controls memory merge support (default: on)\n"
35 " aes-key-wrap=on|off controls support for AES key wrapping (default=on)\n"
36 " dea-key-wrap=on|off controls support for DEA key wrapping (default=on)\n"
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H A Dqemu-io.c5 * Copyright (c) 2003-2005 Silicon Graphics, Inc.
8 * See the COPYING file in the top-level directory.
18 #include "qemu/help-texts.h"
21 #include "qemu-io.h"
22 #include "qemu/error-report.h"
23 #include "qemu/main-loop.h"
26 #include "qemu/config-file.h"
33 #include "system/block-backend.h"
35 #include "trace/control.h"
37 #include "qemu-version.h"
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H A Dmeson.build15 meson.add_postconf_script(find_program('scripts/symlink-install-tree.py'))
28 config_host = keyval.load(meson.current_build_dir() / 'config-host.mak')
35 tmpdir = meson.current_build_dir() / 'meson-private/temp'
66 have_linux_user = have_linux_user or target.endswith('linux-user')
67 have_bsd_user = have_bsd_user or target.endswith('bsd-user')
68 have_system = have_system or target.endswith('-softmmu')
113 …dgen.version() + ' is unsupported. You can install a new version with "cargo install bindgen-cli"')
120 message('To use Rust you can install a new version with "cargo install bindgen-cli"')
128 '--rustc-version', rustc.version(),
129 '--workspace', meson.project_source_root() / 'rust']
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/qemu/hw/char/
H A Dvirtio-console.c10 * the COPYING file in the top-level directory.
14 #include "chardev/char-fe.h"
15 #include "qemu/error-report.h"
17 #include "trace.h"
18 #include "hw/qdev-properties.h"
19 #include "hw/qdev-properties-system.h"
20 #include "hw/virtio/virtio-serial.h"
22 #include "qapi/qapi-events-char.h"
38 * Callback function that's called from chardevs when backend becomes
46 vcon->watch = 0; in chr_write_unblocked()
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H A Dstm32l4x5_usart.c4 * Copyright (c) 2023 Arnaud Minier <arnaud.minier@telecom-paris.fr>
5 * Copyright (c) 2023 Inès Varhol <ines.varhol@telecom-paris.fr>
7 * SPDX-License-Identifier: GPL-2.0-or-later
10 * See the COPYING file in the top-level directory.
15 * for STM32L4x5 and STM32L4x6 advanced Arm ® -based 32-bit MCUs.
22 #include "chardev/char-fe.h"
23 #include "chardev/char-serial.h"
28 #include "hw/qdev-clock.h"
29 #include "hw/qdev-properties.h"
30 #include "hw/qdev-properties-system.h"
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H A Dcmsdk-apb-uart.c12 /* This is a model of the "APB UART" which is part of the Cortex-M
13 * System Design Kit (CMSDK) and documented in the Cortex-M System
15 * https://developer.arm.com/products/system-design/system-design-kits/cortex-m-system-design-kit
22 #include "trace.h"
26 #include "chardev/char-fe.h"
27 #include "chardev/char-serial.h"
28 #include "hw/char/cmsdk-apb-uart.h"
30 #include "hw/qdev-properties-system.h"
78 return s->bauddiv >= 16 && s->bauddiv <= s->pclk_frq; in uart_baudrate_ok()
93 ssp.speed = s->pclk_frq / s->bauddiv; in uart_update_parameters()
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H A Dimx_serial.c7 * Updated by Jean-Christophe Dubois <jcd@tribudubois.net>
10 * See the COPYING file in the top-level directory.
12 * This is a `bare-bones' implementation of the IMX series serial ports.
14 * -- implement FIFOs. The real hardware has 32 word transmit
15 * and receive FIFOs; we currently use a 1-char buffer
16 * -- implement DMA
17 * -- implement BAUD-rate and modem lines, for when the backend
24 #include "hw/qdev-properties.h"
25 #include "hw/qdev-properties-system.h"
30 #include "trace.h"
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H A Dserial.c4 * Copyright (c) 2003-2004 Fabrice Bellard
31 #include "chardev/char-serial.h"
36 #include "qemu/error-report.h"
37 #include "trace.h"
38 #include "hw/qdev-properties.h"
39 #include "hw/qdev-properties-system.h"
43 #define UART_IER_MSI 0x08 /* Enable Modem status interrupt */
44 #define UART_IER_RLSI 0x04 /* Enable receiver line status interrupt */
45 #define UART_IER_THRI 0x02 /* Enable Transmitter holding register int. */
46 #define UART_IER_RDI 0x01 /* Enable receiver data interrupt */
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/qemu/storage-daemon/
H A Dqemu-storage-daemon.c4 * Copyright (c) 2003-2008 Fabrice Bellard
35 #include "monitor/monitor-internal.h"
38 #include "qapi/qapi-visit-block-core.h"
39 #include "qapi/qapi-visit-block-export.h"
40 #include "qapi/qapi-visit-control.h"
43 #include "qapi/qobject-input-visitor.h"
45 #include "qemu/help-texts.h"
46 #include "qemu-version.h"
48 #include "qemu/config-file.h"
49 #include "qemu/error-report.h"
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/qemu/docs/about/
H A Dremoved-features.rst10 --------------------------------------
12 ``-hdachs`` (removed in 2.12)
15 The geometry defined by ``-hdachs c,h,s,t`` should now be specified via
16 ``-device ide-hd,drive=dr,cyls=c,heads=h,secs=s,bios-chs-trans=t``
17 (together with ``-drive if=none,id=dr,...``).
19 ``-net channel`` (removed in 2.12)
22 This option has been replaced by ``-net user,guestfwd=...``.
24 ``-net dump`` (removed in 2.12)
27 ``-net dump[,vlan=n][,file=filename][,len=maxlen]`` has been replaced by
28 ``-object filter-dump,id=id,netdev=dev[,file=filename][,maxlen=maxlen]``.
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/qemu/net/
H A Dvhost-user.c2 * vhost-user.c
7 * See the COPYING file in the top-level directory.
14 #include "net/vhost-user.h"
15 #include "hw/virtio/vhost-user.h"
16 #include "chardev/char-fe.h"
18 #include "qapi/qapi-commands-net.h"
19 #include "qapi/qapi-events-net.h"
20 #include "qemu/config-file.h"
21 #include "qemu/error-report.h"
23 #include "trace.h"
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/qemu/hw/virtio/
H A Dvhost.c10 * the COPYING file in the top-level directory.
12 * Contributions after 2012-01-13 are licensed under the terms of the
21 #include "qemu/error-report.h"
24 #include "standard-headers/linux/vhost_types.h"
25 #include "hw/virtio/virtio-bus.h"
26 #include "hw/mem/memory-device.h"
28 #include "migration/qemu-file-types.h"
30 #include "trace.h"
32 /* enabled until disconnected backend stabilizes */
39 strerror(-retval), -retval); \
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/qemu/hw/ppc/
H A Dspapr_irq.c7 * COPYING file in the top-level directory.
12 #include "qemu/error-report.h"
20 #include "hw/qdev-properties.h"
21 #include "cpu-models.h"
24 #include "trace.h"
36 if (SPAPR_MACHINE_GET_CLASS(spapr)->legacy_irq_allocation) { in spapr_irq_msi_init()
41 spapr->irq_map_nr = spapr_irq_nr_msis(spapr); in spapr_irq_msi_init()
42 spapr->irq_map = bitmap_new(spapr->irq_map_nr); in spapr_irq_msi_init()
56 align -= 1; in spapr_irq_msi_alloc()
58 irq = bitmap_find_next_zero_area(spapr->irq_map, spapr->irq_map_nr, 0, num, in spapr_irq_msi_alloc()
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/qemu/hw/block/
H A Dxen-block.c5 * See the COPYING file in the top-level directory.
10 #include "qemu/main-loop.h"
14 #include "qapi/qapi-commands-block-core.h"
15 #include "qapi/qapi-commands-qom.h"
16 #include "qapi/qapi-visit-block-core.h"
17 #include "qapi/qobject-input-visitor.h"
23 #include "hw/qdev-properties.h"
24 #include "hw/xen/xen-block.h"
25 #include "hw/xen/xen-backend.h"
27 #include "system/block-backend.h"
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/qemu/hw/vfio/
H A Dplatform.c2 * vfio based device assignment support - platform devices
11 * the COPYING file in the top-level directory.
23 #include "hw/vfio/vfio-platform.h"
26 #include "qemu/error-report.h"
28 #include "qemu/main-loop.h"
32 #include "system/address-spaces.h"
35 #include "trace.h"
37 #include "hw/platform-bus.h"
38 #include "hw/qdev-properties.h"
40 #include "hw/vfio/vfio-region.h"
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/qemu/system/
H A Dvl.c4 * Copyright (c) 2003-2008 Fabrice Bellard
26 #include "qemu/help-texts.h"
30 #include "qemu/target-info.h"
31 #include "exec/cpu-common.h"
32 #include "exec/page-vary.h"
33 #include "hw/qdev-properties.h"
34 #include "qapi/compat-policy.h"
39 #include "qemu-version.h"
42 #include "qemu/hw-version.h"
44 #include "qemu/target-info.h"
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/qemu/hw/net/
H A Dvirtio-net.c10 * the COPYING file in the top-level directory.
18 #include "qemu/main-loop.h"
24 #include "qemu/error-report.h"
28 #include "qemu/config-file.h"
30 #include "hw/virtio/virtio-net.h"
33 #include "hw/virtio/virtio-bus.h"
35 #include "qapi/qapi-events-net.h"
36 #include "hw/qdev-properties.h"
37 #include "qapi/qapi-types-migration.h"
38 #include "qapi/qapi-events-migration.h"
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