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/qemu/tcg/tci/
H A DREADME1 TCG Interpreter (TCI) - Copyright (c) 2011 Stefan Weil.
7 TCG (Tiny Code Generator) is a code generator which translates
16 interpreter for the generated bytecode, it is possible to
19 This is what TCI (Tiny Code Interpreter) does.
23 Like each TCG host frontend, TCI implements the code generator in
24 tcg-target.c.inc, tcg-target.h. Both files are in directory tcg/tci.
26 The additional file tcg/tci.c adds the interpreter and disassembler.
29 the same same numeric values and semantics as used by TCG), and up
30 to six arguments packed into a 32-bit integer. See comments in tci.c
35 For hosts without native TCG, the interpreter TCI must be enabled by
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/qemu/.gitlab-ci.d/custom-runners/
H A Dubuntu-22.04-s390x.yml1 # All ubuntu-22.04 jobs should run successfully in an environment
2 # setup by the scripts/ci/setup/ubuntu/build-environment.yml task
5 ubuntu-22.04-s390x-all-linux:
10 - ubuntu_22.04
11 - s390x
13 - if: '$CI_PROJECT_NAMESPACE == "qemu-project" && $CI_COMMIT_BRANCH =~ /^staging/'
14 - if: "$S390X_RUNNER_AVAILABLE"
16 - mkdir build
17 - cd build
18 - ../configure --enable-debug --disable-system --disable-tools --disable-docs
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H A Dubuntu-22.04-aarch64.yml1 # All ubuntu-22.04 jobs should run successfully in an environment
2 # setup by the scripts/ci/setup/ubuntu/build-environment.yml task
5 ubuntu-22.04-aarch64-all-linux-static:
10 - ubuntu_22.04
11 - aarch64
13 - if: '$CI_PROJECT_NAMESPACE == "qemu-project" && $CI_COMMIT_BRANCH =~ /^staging/'
14 - if: "$AARCH64_RUNNER_AVAILABLE"
16 - mkdir build
17 - cd build
18 # Disable -static-pie due to build error with system libc:
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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/.gitlab-ci.d/
H A Dcrossbuilds.yml2 - local: '/.gitlab-ci.d/crossbuild-template.yml'
4 cross-armhf-user:
7 job: armhf-debian-cross-container
9 IMAGE: debian-armhf-cross
11 cross-arm64-system:
14 job: arm64-debian-cross-container
16 IMAGE: debian-arm64-cross
18 cross-arm64-user:
21 job: arm64-debian-cross-container
23 IMAGE: debian-arm64-cross
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H A Dbuildtest.yml2 - local: '/.gitlab-ci.d/buildtest-template.yml'
4 build-system-alpine:
6 - .native_build_job_template
7 - .native_build_artifact_template
9 - job: amd64-alpine-container
12 TARGETS: avr-softmmu loongarch64-softmmu mips64-softmmu mipsel-softmmu
13 MAKE_CHECK_ARGS: check-build
14 CONFIGURE_ARGS: --enable-docs --enable-trace-backends=log,simple,syslog
16 check-system-alpine:
19 - job: build-system-alpine
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/qemu/docs/devel/
H A Dcontrol-flow-integrity.rst4 Control-Flow Integrity (CFI)
7 This document describes the current control-flow integrity (CFI) mechanism in
12 ------
16 The type used in QEMU is a forward-edge control-flow integrity that ensures
21 This type of CFI is entirely compiler-based and relies on the compiler knowing
28 In case of a CFI violation (i.e. call to a non-compatible function) QEMU will
32 -----------------
34 NOTE: CFI requires the use of link-time optimization. Therefore, when CFI is
38 are planning to also enable fuzzing, then Clang 11+ is needed (more on this
44 AR=llvm-ar-9 CC=clang-9 CXX=clang++-9 /path/to/configure --enable-cfi
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H A Dbuild-system.rst14 - build artifacts outside of QEMU source tree entirely::
22 - build artifacts in a subdir of QEMU source tree::
38 - detect the host architecture
40 - list the targets for which to build emulators; the list of
43 - find the compilers (native and cross) used to build executables,
45 fragments (``config-host.mak``) or a Meson machine file
46 (``config-meson.cross``)
48 - create a virtual environment in which all Python code runs during
51 - invoke Meson in the virtual environment, to perform the actual
55 which a same-named Meson option exists; dashes in the command line are
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/qemu/docs/about/
H A Dbuild-platforms.rst1 .. _Supported-build-platforms:
25 support for those backports, unless the feature is auto-detectable in a
33 :ref:`setup-build-env` page.
36 ----------------------------
40 .. list-table::
41 :header-rows: 1
43 * - CPU Architecture
44 - Accelerators
45 * - Arm
46 - hvf (64 bit only), kvm (64 bit only), tcg, xen
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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')
40 # Everything else can be set via --enable/--disable-* option
42 # here make sure to run "make update-buildoptions".
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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/tcg/
H A Dtci.c2 * Tiny Code Interpreter for QEMU
21 #include "tcg/tcg.h"
22 #include "tcg/helper-info.h"
23 #include "tcg/tcg-ldst.h"
24 #include "disas/dis-asm.h"
25 #include "tcg-has.h"
35 * Enable TCI assertions only when debugging TCG (and without NDEBUG defined).
36 * Without assertions, the interpreter runs much faster.
332 * Therefore, disable CFI checks in the interpreter function
375 n = cif->nargs; in tcg_qemu_tb_exec()
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H A Dtcg.c30 #include "qemu/error-report.h"
32 #include "qemu/host-utils.h"
33 #include "qemu/qemu-print.h"
38 #include "exec/translation-block.h"
39 #include "exec/tlb-common.h"
40 #include "tcg/startup.h"
41 #include "tcg/tcg-op-common.h"
56 #include "tcg/tcg-ldst.h"
57 #include "tcg/tcg-temp-internal.h"
58 #include "tcg-internal.h"
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/qemu/bsd-user/
H A Dmain.c4 * Copyright (c) 2003-2008 Fabrice Bellard
5 * Copyright (c) 2013-14 Stacey Son
25 #include "qemu/help-texts.h"
28 #include "qemu-version.h"
33 #include "qemu/config-file.h"
34 #include "qemu/error-report.h"
39 #include "user/guest-base.h"
40 #include "user/page-protection.h"
41 #include "tcg/startup.h"
48 #include "qemu/guest-random.h"
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/qemu/linux-user/
H A Dmain.c4 * Copyright (c) 2003-2008 Fabrice Bellard
21 #include "qemu/help-texts.h"
24 #include "qemu-version.h"
32 #include "user-internals.h"
35 #include "qemu/config-file.h"
37 #include "qemu/error-report.h"
41 #include "user/guest-base.h"
42 #include "user/page-protection.h"
45 #include "tcg/startup.h"
48 #include "qemu/guest-random.h"
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H A Delfload.c1 /* This is the Linux kernel elf-loading code, ported into user space */
10 #include "user/tswap-target.h"
11 #include "user/page-protection.h"
12 #include "exec/page-protection.h"
13 #include "exec/mmap-lock.h"
14 #include "exec/translation-block.h"
16 #include "user/guest-base.h"
17 #include "user-internals.h"
18 #include "signal-common.h"
20 #include "user-mma
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/qemu/target/sh4/
H A Dtranslate.c22 #include "tcg/tcg-op.h"
23 #include "exec/helper-proto.h"
24 #include "exec/helper-gen.h"
25 #include "exec/translation-block.h"
29 #include "qemu/qemu-print.h"
32 #include "exec/helper-info.c.inc"
40 uint32_t envflags; /* should stay in sync with env->flags using TCG ops */
54 #define UNALIGN(C) (ctx->tbflags & TB_FLAG_UNALIGN ? MO_UNALN : MO_ALIGN)
56 #define IS_USER(ctx) (!(ctx->tbflags & (1u << SR_MD)))
60 /* Target-specific values for ctx->base.is_jmp. */
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