Compared to submodules, .wrap files have several advantages:
* option parsing and downloading is delegated to meson
* the commit is stored in a text file instead of a magic entry in the
git tree object
* we could stop shipping external dependencies that are only used as a
fallback, but not break compilation on platforms that lack them.
For example it may make sense to download dtc at build time, controlled
by --enable-download, even when building from a tarball. Right now,
this patch does the opposite: make-release treats dtc like libvfio-user
(which is not stable API and therefore hasn't found its way into any
distros) and keycodemap (which is a copylib, for better or worse).
dependency() can fall back to a wrap automatically. However, this
is only possible for libraries that come with a .pc file, and this
is not very common for libfdt even though the upstream project in
principle provides it; it also removes the control that we provide with
--enable-fdt={system,internal}. Therefore, the logic to pick system
vs. internal libfdt is left untouched.
--enable-fdt=git is removed; it was already a synonym for
--enable-fdt=internal.
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Print exactly which submodules have been updated, by reusing the logic of
"git-submodule.sh validate" after executing "git submodule update --init'.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Allow a specific subdirectory to run git-submodule.sh with only a
subset of submodules, without removing the others from the
.git-submodule-status file.
This also allows scripts/git-submodule.sh to be more lenient:
validating an empty set of submodules is not a mistake.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The behavior of --{enable,disable}-pypi is similar to that of
-Dwrapmode={default,nodownload} respectively. In particular,
in both cases a feature needs to be explicitly enabled for the
dependency to be downloaded.
So, use a single option to control both cases. Now, --enable-slirp
will trigger cloning and building of libslirp if the .pc file
is not found on the machine.
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The scenario for which --with-git= was introduced was to use a SOCKS proxy
such as tsocks. However, this was back in 2017 when QEMU's submodules
used the git:// protocol, and it is not as important when using the
"smart HTTP" backend; for example, neither "meson subprojects download"
nor scripts/checkpatch.pl obey the GIT environment variable.
So remove the knob, but test for the presence of git in the configure and
git-submodule.sh scripts, and suggest using --with-git-submodules=validate
+ a manual invocation of git-submodule.sh when git does not work. Hopefully
in the future the GIT environment variable will be supported by Meson.
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Let pip decide whether a new version should be installed or the current
one is okay. This ensures that the virtual environment is updated
(either upgraded or downgraded) whenever a new version of a package is
requested.
The hardest part here is figuring out if a package is installed in
the venv (which also has to be done twice to account for the presence
of either setuptools in Python <3.8, or importlib in Python >=3.8).
Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Cc: John Snow <jsnow@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This reverts commits eea2d14117 ("Makefile: remove $(TESTS_PYTHON)",
2023-05-26) and 9c6692db55 ("tests: Use configure-provided pyvenv for
tests", 2023-05-18).
Right now, there is a conflict between wanting a ">=" constraint when
using a distro-provided package and wanting a "==" constraint when
installing Avocado from PyPI; this would provide the best of both worlds
in terms of resiliency for both distros that have required packages and
distros that don't.
The conflict is visible also for meson, where we would like to install
the latest 0.63.x version but also accept a distro 1.1.x version.
But it is worse for avocado, for two reasons:
1) we cannot use an "==" constraint to install avocado if the venv
includes a system avocado. The distro will package plugins that have
"==" constraints on the version that is included in the distro, and, using
"pip install avocado==88.1" on a venv that includes system packages will
result in this error:
ERROR: pip's dependency resolver does not currently take into account all the packages that are installed. This behaviour is the source of the following dependency conflicts.
avocado-framework-plugin-varianter-yaml-to-mux 98.0 requires avocado-framework==98.0, but you have avocado-framework 88.1 which is incompatible.
avocado-framework-plugin-result-html 98.0 requires avocado-framework==98.0, but you have avocado-framework 88.1 which is incompatible.
make[1]: Leaving directory '/home/berrange/src/virt/qemu/build'
2) we cannot use ">=" either if the venv does _not_ include a system
avocado, because that would result in the installation of v101.0 which
is the one we've just reverted.
So the idea is to encode the dependencies as an (acceptable, locked)
tuple, like this hypothetical TOML that would be committed inside
python/ and used by mkvenv.py:
[meson]
meson = { minimum = "0.63.0", install = "0.63.3", canary = "meson" }
[docs]
# 6.0 drops support for Python 3.7
sphinx = { minimum = "1.6", install = "<6.0", canary = "sphinx-build" }
sphinx_rtd_theme = { minimum = "0.5" }
[avocado]
avocado-framework = { minimum = "88.1", install = "88.1", canary = "avocado" }
Once this is implemented, it would also be possible to install avocado in
pyvenv/ using "mkvenv.py ensure", thus using the distro package on Fedora
and CentOS Stream (the only distros where it's available). But until
this is implemented, keep avocado in a separate venv. There is still the
benefit of using a single python for meson custom_targets and for sphinx.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This reverts commit ec5ffa0056.
Bumping avocado to version 101 has two issues. First, there are problems
where Avocado is not logging of command lines or terminal output, and not
collecting Python logs outside the avocado namespace.
Second, the recent changes to Python handling mean that there is a single
virtual environment for all the build, instead of a separate one for testing.
Requiring a too-new version of avocado causes conflicts with any avocado
plugins installed on the host:
$ make check-venv
make[1]: Entering directory '/home/berrange/src/virt/qemu/build'
GIT ui/keycodemapdb tests/fp/berkeley-testfloat-3 tests/fp/berkeley-softfloat-3 dtc
VENVPIP install -e /home/berrange/src/virt/qemu/python/
VENVPIP install -r /home/berrange/src/virt/qemu/tests/requirements.txt
ERROR: pip's dependency resolver does not currently take into account all the packages that are installed. This behaviour is the source of the following dependency conflicts.
avocado-framework-plugin-varianter-yaml-to-mux 98.0 requires avocado-framework==98.0, but you have avocado-framework 101.0 which is incompatible.
avocado-framework-plugin-result-html 98.0 requires avocado-framework==98.0, but you have avocado-framework 101.0 which is incompatible.
make[1]: Leaving directory '/home/berrange/src/virt/qemu/build'
To avoid this issue, tests/requirements.txt should use a ">=" constraint
and the version of Avocado should be limited to what distros provide
in the system packages. Only Fedora has Avocado, and more specifically
version 92.0 (though 98.0 is also available as a module). As a first
step, this patch reverts the introduction of a too-new Avocado.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Commit 1b0578f5c4 ("qemu-pr-helper: Fix build on CentOS 7") added
code to probe for 'old' libmultipath API on CentOS 7. However since
merge commit 8c345b3e6a (June 2021) we don't build/test CentOS 7 as
it felt out of our list of supported distrib versions. Therefore we
can safely remove the 'old' API check (mostly reverting commit
1b0578f5c4, except the code got converted to meson in commit
6ec0e15d95 "meson: move libmpathpersist test").
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230605174146.87440-2-philmd@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
There is no need to disable this useful compiler warning for
all versions of the SDL. Unfortunately, various versions are
buggy (beside SDL 2.0.8, the version 2.26.0 and 2.26.1 are
broken, too, see https://github.com/libsdl-org/SDL/issues/6619 ),
but we can use a simple compiler check to see whether we need
the -Wno-undef or not.
This also enables the printing of the version number with
good versions of the SDL in the summary of the meson output
again.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20230605114523.282987-1-thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Let's make it easier for the users to spot audio-related entries
in the summary of the meson output.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230602171832.533739-4-thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Let's make it easier for the users to spot network-related entries
in the summary of the meson output.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230602171832.533739-3-thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Let's make it easier for the users to spot UI-related entries in
the summary of the meson output.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230602171832.533739-2-thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
scripts/test-driver.py was used when "make check" was already using meson
introspection data, but it did not execute "meson test". It is dead since
commit 3d2f73ef75 ("build: use "meson test" as the test harness", 2021-12-23).
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
qatomic_mb_read and qatomic_mb_set were the very first atomic primitives
introduced for QEMU; their semantics are unclear and they provide a false
sense of safety.
The last use of qatomic_mb_read() has been removed, so delete it.
qatomic_mb_set() instead can survive as an optimized
qatomic_set()+smp_mb(), similar to Linux's smp_store_mb(), but
rename it to qatomic_set_mb() to match the order of the two
operations.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
While detecting a presence of a function via 'cc.links()'
gives desired result (i.e. detects whether function is present),
it also produces a warning on systems where the function is not
present (into meson-log.txt), e.g.:
qemu.git/build/meson-private/tmph74x3p38/testfile.c:2:34: \
warning: implicit declaration of function 'malloc_trim' [-Wimplicit-function-declaration]
And some distributions (e.g. Gentoo) parse the meson log and
consider these erroneous because it can lead to feature
misdetection (see [1]).
We can check whether given function exists via
'cc.has_function()' or whether STATX_* macros exist via
'cc.has_header_symbol()'.
1: https://wiki.gentoo.org/wiki/Modern_C_porting
Resolves: https://bugs.gentoo.org/898810
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Message-Id: <8e02776d18595a1c575c90a189ff65f1785f76ca.1685442612.git.mprivozn@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Unmap perf_marker.
Remove left over _link_error() definitions.
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Merge tag 'pull-tcg-20230605' of https://gitlab.com/rth7680/qemu into staging
Build tcg/ once for system and once for user.
Unmap perf_marker.
Remove left over _link_error() definitions.
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# gpg: Signature made Mon 05 Jun 2023 01:13:29 PM PDT
# gpg: using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg: issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [ultimate]
* tag 'pull-tcg-20230605' of https://gitlab.com/rth7680/qemu: (52 commits)
tcg/tcg-op-vec: Remove left over _link_error() definitions
accel/tcg: Unmap perf_marker
tcg: Build once for system and once for user-only
exec/poison: Do not poison CONFIG_SOFTMMU
plugins: Drop unused headers from exec/plugin-gen.h
plugins: Move plugin_insn_append to translator.c
tcg: Remove target-specific headers from tcg.[ch]
tcg: Move env defines out of NEED_CPU_H in helper-head.h
tcg: Fix PAGE/PROT confusion
accel/tcg: Tidy includes for translator.[ch]
target/arm: Add missing include of exec/exec-all.h
target/*: Add missing includes of exec/translation-block.h
target/mips: Tidy helpers for translation
target/arm: Tidy helpers for translation
accel/tcg: Move translator_fake_ldb out of line
target/ppc: Inline gen_icount_io_start()
accel/tcg: Introduce translator_io_start
accel/tcg: Move most of gen-icount.h into translator.c
include/exec: Remove CODE_GEN_AVG_BLOCK_SIZE
tcg: Spit out exec/translation-block.h
...
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
In commit d56fea79f9 ("tcg: Move TCG_{LOW,HIGH} to tcg-internal.h")
we replaced the "_link_error" definitions with modern QEMU_ERROR()
attribute markup. We covered tcg-op.c but forgot to completely
clean tcg-op-vec.c. Do it now.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230605175647.88395-3-philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Coverity complains that perf_marker is never unmapped.
Fix by unmapping it in perf_exit().
Fixes: Coverity CID 1507929
Fixes: 5584e2dbe8 ("tcg: add perfmap and jitdump")
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-Id: <20230605114134.1169974-1-iii@linux.ibm.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Create two static libraries for use by each execution mode.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
If CONFIG_USER_ONLY is ok generically, so is CONFIG_SOFTMMU,
because they are exactly opposite.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Two headers are not required for the rest of the
contents of plugin-gen.h.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This function is only used in translator.c, and uses a
target-specific typedef: abi_ptr.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This finally paves the way for tcg/ to be built once per mode.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Since the change to CPUArchState, we have a common typedef
that can always be used.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The bug was hidden because they happen to have the same values.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reduce the header to only bswap.h and cpu_ldst.h.
Move exec/translate-all.h to translator.c.
Reduce tcg.h and tcg-op.h to tcg-op-common.h.
Remove otherwise unused headers.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This had been pulled in via exec/translator.h,
but the include of exec-all.h will be removed.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This had been pulled in via exec/exec-all.h, via exec/translator.h,
but the include of exec-all.h will be removed.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Move most includes from *translate*.c to translate.h, ensuring
that we get the ordering correct. Ensure cpu.h is first.
Use disas/disas.h instead of exec/log.h.
Drop otherwise unused includes.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Move most includes from *translate*.c to translate.h, ensuring
that we get the ordering correct. Ensure cpu.h is first.
Use disas/disas.h instead of exec/log.h.
Drop otherwise unused includes.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This is used by exactly one host in extraordinary circumstances.
This means that translator.h need not include plugin-gen.h;
translator.c already includes plugin-gen.h.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Now that gen_icount_io_start() is a simple wrapper to
translator_io_start(), inline it.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230602095439.48102-1-philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
New wrapper around gen_io_start which takes care of the USE_ICOUNT
check, as well as marking the DisasContext to end the TB.
Remove exec/gen-icount.h.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The only usage of gen_tb_start and gen_tb_end are here.
Move the static icount_start_insn variable into a local
within translator_loop. Simplify the two subroutines
by passing in the existing local cflags variable.
Leave only the declaration of gen_io_start in gen-icount.h.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The last use was removed with 2ac01d6daf.
Fixes: 2ac01d6daf ("translate-all: use a binary search tree to track TBs in TBContext")
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This is all that is required by tcg/ from exec-all.h.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This makes TranslationBlock agnostic to the address size of the guest.
Use vaddr for pc, since that's always a virtual address.
Use uint64_t for cs_base, since usage varies between guests.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This is a step toward making TranslationBlock agnostic
to the address size of the guest.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
From this remove, it's no longer clear what this is attempting
to protect. The last time a use of this define was added to
the source tree, as opposed to merely moved around, was 2008.
There have been many cleanups since that time and this is
no longer required for the build to succeed.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Create tcg/tcg-op-gvec-common.h, moving everything that does not
concern TARGET_LONG_BITS. Adjust tcg-op-gvec.c to use the new header.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The replacement isn't ideal, as the raw count of bits
is not easily synced with exec/cpu-all.h, but it does
remove from tcg.h the target dependency on TARGET_PAGE_BITS_MIN
which is built into TLB_FLAGS_MASK.
Reviewed-by: Anton Johansson <anjo@rev.ng>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This replaces of TCG_GUEST_DEFAULT_MO in tcg-op-ldst.c.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This will enable replacement of TARGET_INSN_START_WORDS in tcg.c.
Split out "tcg/insn-start-words.h" and use it in target/.
Reviewed-by: Anton Johansson <anjo@rev.ng>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Fixes an assert in tcg_gen_code that we don't accidentally
eliminate an insn_start during optimization.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Create helper-proto-common.h without the target specific portion.
Use that in tcg-op-common.h. Include helper-proto.h in target/arm
and target/hexagon before helper-info.c.inc; all other targets are
already correct in this regard.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Create helper-gen-common.h without the target specific portion.
Use that in tcg-op-common.h. Reorg headers in target/arm to
ensure that helper-gen.h is included before helper-info.c.inc.
All other targets are already correct in this regard.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Make tcg_gen_callN a static function. Create tcg_gen_call[0-7]
functions for use by helper-gen.h.inc.
Removes a multiplicty of calls to __stack_chk_fail, saving up
to 143kiB of .text space as measured on an x86_64 host.
Old New Less %Change
8888680 8741816 146864 1.65% qemu-system-aarch64
5911832 5856152 55680 0.94% qemu-system-riscv64
5816728 5767512 49216 0.85% qemu-system-mips64
6707832 6659144 48688 0.73% qemu-system-ppc64
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Removes a multiplicity of calls to __assert_fail, saving up
to 360kiB of .text space as measured on an x86_64 host.
Old New Less %Change
9257272 8888680 368592 3.98% qemu-system-aarch64
6100968 5911832 189136 3.10% qemu-system-riscv64
5839112 5707032 132080 2.26% qemu-system-mips
4447608 4341752 105856 2.38% qemu-system-s390x
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
In preparation for compiling tcg/ only once, eliminate
the all_helpers array. Instantiate the info structs for
the generic helpers in accel/tcg/, and the structs for
the target-specific helpers in each translate.c.
Since we don't see all of the info structs at startup,
initialize at first use, using g_once_init_* to make
sure we don't race while doing so.
Reviewed-by: Anton Johansson <anjo@rev.ng>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
