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Blowing up the debug console with a fajillion FIXME's whenever you
navigate in the web inspector is no fun.
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This commit removes the usage of HashMap in Mutex, thereby making Mutex
be allocation-free.
In order to achieve this several simplifications were made to Mutex,
removing unused code-paths and extra VERIFYs:
* We no longer support 'upgrading' a shared lock holder to an
exclusive holder when it is the only shared holder and it did not
unlock the lock before relocking it as exclusive. NOTE: Unlike the
rest of these changes, this scenario is not VERIFY-able in an
allocation-free way, as a result the new LOCK_SHARED_UPGRADE_DEBUG
debug flag was added, this flag lets Mutex allocate in order to
detect such cases when debugging a deadlock.
* We no longer support checking if a Mutex is locked by the current
thread when the Mutex was not locked exclusively, the shared version
of this check was not used anywhere.
* We no longer support force unlocking/relocking a Mutex if the Mutex
was not locked exclusively, the shared version of these functions
was not used anywhere.
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This sets up the generator plumbing to create the relative-time data
files. This data could probably be included in the date-time generator,
but that generator is large enough that I'd rather put this tangentially
related data in its own file.
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This check isn't needed because download_file() will check if it exists
already before doing the download. Worse, it would prevent the generator
target from being defined if the file existed, which then made CMake not
realize the generated files were important and delete them.
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After fixing the CMake file to use the correct paths, users may have had
to manually remove the existing downloaded pnp.ids.html for CMake to re-
run the generator. So this change renames the downloaded file to
pnp_ids.html to ensure everyone picks up that change without manual
intervention.
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Code generators that generate their files for both Lagom and Serenity
have a blob in their CMake file like this:
set(TIME_ZONE_DATA_HEADER LibTimeZone/TimeZoneData.h)
set(TIME_ZONE_DATA_IMPLEMENTATION LibTimeZone/TimeZoneData.cpp)
set(TIME_ZONE_META_TARGET_PREFIX LibTimeZone_)
if (CMAKE_CURRENT_BINARY_DIR MATCHES ".*/LibTimeZone")
# Serenity build.
set(TIME_ZONE_DATA_HEADER TimeZoneData.h)
set(TIME_ZONE_DATA_IMPLEMENTATION TimeZoneData.cpp)
set(TIME_ZONE_META_TARGET_PREFIX "")
endif()
LibEDID generates files only for Serenity, but was using the Lagom build
version of the _HEADER, _IMPLEMENTATION, and _PREFIX variables. Thus if
pnp_ids.cmake was ever touched, the following error would be raised:
Userland/Libraries/LibEDID/EDID.cpp:18:18: fatal error:
LibEDID/PnpIDs.h: No such file or directory
18 | # include <LibEDID/LibEDID/PnpIDs.h>
Use the Serenity paths in pnp_ids.cmake and in the #include within
LibEDID itself.
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This function will handle download failures. It doesn't support hashing
for integrity yet, but if the download times out or otherwise fails, the
build itself will fail. But default, file(DOWNLOAD) in CMake doesn't
fail the build; we must pass in and check a STATUS variable.
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`PNP_IDS_PATH` does not exist, set this to `PNP_IDS_EXPORT_PATH` to
avoid redownloading the database every reconfigure.
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This commit adds support for building the SerenityOS userland with the
new [mold linker].
This is not enabled by default yet; to link using mold, run the
`Toolchain/BuildMold.sh` script to build the latest release of mold, and
set the `ENABLE_MOLD_LINKER` CMake variable to ON. This option relies on
toolchain support that has been added just recently, so you might need
to rebuild your toolchain for mold to work.
[mold linker]: https://github.com/rui314/mold
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This downloads the UEFI's published PNP ID database and generates a
lookup table for use in LibEDID. The lookup table isn't optimized at
all, but this can be easily done at a later point if needed.
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vdbgln() was responsible for ~10% of samples on pv's flamegraph for
RequestServer (under request_did_finish) when loading github.com in
Browser and recording a whole-system profile. This makes that almost
completely disappear.
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If this option is set, we will not build all components.
Instead, we include an external CMake file passed in via a variable
named HACKSTUDIO_BUILD_CMAKE_FILE.
This will be used to build serenity components from Hack Studio.
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We had a hard-coded table of number system digits copied from ECMA-402.
Turns out these digits are in the CLDR, so let's parse the digits from
there instead of hard-coding them.
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No need to have this enabled all the time.
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This set of LINK entries contains the link from "UTC" to "Etc/UTC",
which LibJS will heavily depend upon.
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The IANA Time Zone Database contains data needed, at least, for various
JavaScript objects. This adds plumbing for a parser and code generator
for this data. The generated data will be made available by LibTimeZone,
much like how UCD and CLDR data is available through LibUnicode.
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This function will be used by the time zone database parser. Move it to
the common utilities file, and rename it remove_path_if_version_changed
to be more generic.
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This is to prevent an import cycle in a subsequent commit.
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Add a basic NVMe driver support to serenity
based on NVMe spec 1.4.
The driver can support multiple NVMe drives (subsystems).
But in a NVMe drive, the driver can support one controller
with multiple namespaces.
Each core will get a separate NVMe Queue.
As the system lacks MSI support, PIN based interrupts are
used for IO.
Tested the NVMe support by replacing IDE driver
with the NVMe driver :^)
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Rather than each CMakeLists.txt needing to import unicode_data.cmake and
check if Unicode data generation is enabled, add a helper method to do
this.
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Also removes a few fly-by "StringView x = nullptr;" unnecessary
initializers.
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Unlike most data in the CLDR, hour cycles are not stored on a per-locale
basis. Instead, they are keyed by a string that is usually a region, but
sometimes is a locale. Therefore, given a locale, to determine the hour
cycles for that locale, we:
1. Check if the locale itself is assigned hour cycles.
2. If the locale has a region, check if that region is assigned hour
cycles.
3. Otherwise, maximize that locale, and if the maximized locale has
a region, check if that region is assigned hour cycles.
4. If the above all fail, fallback to the "001" region.
Further, each locale's default hour cycle is the first assigned hour
cycle.
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Similar to number formatting, the data for date-time formatting will be
located in its own generated file. This extracts the cldr-dates package
from the CLDR and sets up the generator plumbing to create the date-time
data files.
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Previously, we only copied the source files of libraries to
`/usr/src/serenity`.
We now also install the source files of userland programs.
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The serenity_install_sources function now infers the path under
`/usr/src/serenity` in which to install the source files according to
the relative path of the source files in the repository.
For example `Userland/Libraries/LibGUI/Widget.h` gets installed at
`/usr/src/serenity/Userland/Libraries/LibGUI/Widget.h`.
This fixes cases where the source files of libraries are not under
`Userland/Libraries` (for example LibShell & LibLanguageServer).
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Makes it a bit easier to add a new generator.
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This is no longer needed now that this generator isn't parsing the
default-content locales.
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The units data is in another CLDR package, cldr-units.
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For example, there isn't a unique set of data for the en-US locale;
rather, it defaults to the data for the en locale. See this commit for
much more detail: 357c97dfa864dbd779d517bac502858aa2618b96
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libc++ uses a Pthread condition variable in one of its initialization
functions. This means that Pthread forwarding has to be set up in LibC
before libc++ can be initialized. Also, because LibPthread is written in
C++, (at least some) parts of the C++ standard library have to be linked
against it.
This is a circular dependency, which means that the order in which these
two libraries' initialization functions are called is undefined. In some
cases, libc++ will come first, which will then trigger an assert due to
the missing Pthread forwarding.
This issue isn't necessarily unique to LibPthread, as all libraries that
libc++ depends on exhibit the same circular dependency issue.
The reason why this issue didn't affect the GNU toolchain is that
libstdc++ is always linked statically. If we were to change that, I
believe that we would run into the same issue.
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The 'master' branch is no longer updated, they've switched to 'main'.
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This allows libraries and binaries to explicitly link against
`<library>.so.serenity`, which avoids some confusion if there are other
libraries with the same name, such as OpenSSL's `libcrypto`.
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Release notes:
https://github.com/unicode-org/cldr-json/releases/tag/40.0.0
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