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ThreadX still declares 6.5.1.202602 with hotfix 'a', which is the previous
release rather than the one being cut.
prepare_release.sh updated the five version constants in tx_api.h and the
version string in 211 port headers across ports, ports_smp, ports_arch and
ports_module. The hotfix letter is cleared, since the target has none. Nothing
else changed: every line in the port commit carries a version, and no file
outside an inc/tx_port.h was touched.
The port consistency checks passed before the branch was cut, which is what the
script gates on. Host regression 113/113 with zero warnings, and the AI
disclosure check passes.
Assisted-by: Claude Code (Opus 5) <[email protected]>
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* Normalized the AI disclosure line across every tracked file type
The repository-wide pass covered source files only, so build files, CMake
toolchain files, shell scripts and the GDB and manifest files kept the older
per-edit form of the disclosure comment, which names a product and a model
version. The Cortex-R52 module manager port then merged after that pass and
brought the old form back into the sources as well.
Replaced it with the fixed text in all of them, using the comment character
each file already uses.
Comment-only. 143 files, one line each. The repository now holds 601 files
carrying exactly one disclosure line, none carrying the old form, and none
carrying more than one.
Assisted-by: Claude Code (Opus 5) <[email protected]>
* Added a check that keeps the AI disclosure comment in its one accepted form
Nothing enforced the disclosure convention, so the drift it exists to prevent
returned twice: once when a port merged after the normalisation pass carrying
the older per-edit form, and once because that pass had covered source files
only, leaving build files and scripts untouched for months.
Added scripts/check_ai_disclosure.sh, which rejects the superseded per-edit
form, a doubled comment marker, more than one disclosure line in a file, and
any spelling of the line that is not exact. It runs from repo_checks.yml, a
workflow with no path filter, because a source-path filter is what hid the
build files the first time.
The check passes on this branch. Each of its four rules was confirmed to fail
on a tree with that defect reintroduced, and to pass once it was removed.
Assisted-by: Claude Code (Opus 5) <[email protected]>
* Normalised the disclosure lines that landed after this branch
Thirteen files reached dev after this branch was written, each carrying the
superseded per-edit form. txm_module_manager_dispatch.h reached it with six
stacked copies, naming the same product and the same model every time -- the
accumulation the fixed text exists to prevent.
Each of those files now carries one disclosure line in the accepted form. Where
the accepted line was already present, the superseded ones are deleted rather
than converted, so no file gains a second.
check_ai_disclosure.sh reported eighteen hits across thirteen files before the
pass and passes after it.
Assisted-by: Claude Code (Opus 5) <[email protected]>
* Exempted Markdown from the near-miss disclosure check
The near-miss rule flags any line carrying the phrase "AI assistance" that is
not the accepted text, which is right for source but wrong for documentation.
The contribution guide has to quote the accepted line and say when it applies,
so the check reports two paragraphs of prose as drift and fails the build.
Markdown is now exempt from that rule alone. The three rules that matter for a
documentation file -- superseded form, doubled comment marker, duplicate line
-- still scan it, so a stale disclosure in a Markdown file is still caught.
The check passes against a tree carrying the rewritten contribution guide, and
still fails when a near miss is planted in a source file.
Assisted-by: Claude Code (Opus 5) <[email protected]>
* Corrected the trailer command named in the disclosure check
The header comment points a reader at git's own trailer parser to find out
which agents have touched a file. That parser reads trailers only from a block
at the very end of a message, so a squash merge -- which concatenates a
branch's messages -- buries every trailer but the last one mid-message, and an
indented trailer is skipped outright. On dev it finds 122 attributions where
163 exist.
The comment now names count_assisted_by.sh, which reads whole bodies.
Assisted-by: Claude Code (Opus 5) <[email protected]>
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The per-edit disclosure named the product and model, so every agent and every
model version appended another line. 74 files carried two to four of them, and
the same five products had accumulated 13 spellings -- Copilot against GitHub
Copilot, Claude Sonnet 4.6 against claude-sonnet-4.6, four spellings of Codex.
Twenty assembly lines carried a doubled comment marker, `; //` or `@ //`.
Every file now carries exactly one line, fixed text naming no product:
Portions of this file were generated with AI assistance.
It is written with the comment character that file already uses, so the `;`
and `@` assembly files keep theirs and the doubled markers are gone. Precise
attribution stays on the commit, where the Assisted-by trailer is per-change,
dated and attached to the diff it describes. A header line cannot hold that
record honestly, because the code it names gets rewritten and the line stays.
A file-level flag answers whether; the history answers who.
Comment-only. 455 files, 455 insertions and 574 deletions: every removed line
was a disclosure line, every added line is the fixed text, and no file is left
with zero or with more than one. `scripts/check_ports.sh` passes, including the
reproducibility check that would catch a ports_arch master and its generated
copies drifting apart. Recompiled against dev, every file that builds without a
vendor toolchain gives a byte-identical object: 19 of 19 C files under common,
100 of 100 GNU assembly files, and all 16 assemblable files whose comment
marker changed. The 10 remaining marker changes are ac5 and IAR sources where
`;` already started the comment and only the redundant `//` was removed.
Assisted-by: Claude Code (Opus 5) <[email protected]>
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Fixes #551
`_tx_thread_system_return_inline()` in the Cortex-M `tx_port.h` headers spells
its barriers `dsb 0xF` and `isb 0xF`. A bare hexadecimal operand is a GNU
assembler extension, and IAR rejects it with `operand syntax error`, so the
header cannot be included at all. The block is guarded for GCC, armclang and IAR
together, so every IAR user of an affected port hits it -- four independent
reports on Cortex-M33 and M7 with EWARM 9.50 and 9.70.
Both operands become `sy`, the Arm UAL name for exactly what `0xF` encodes. The
generated instruction is unchanged. Applied to the two `ports_arch` masters and
all 32 copies under `ports`, covering M0, M23, M3, M33, M4, M52, M55, M7 and M85
across ac5, ac6, gnu, iar and keil, plus the `scripts/check_ports.sh` probes that
matched the old spelling.
`check_ports.sh` passes, the copy scripts still reproduce every generated port
byte for byte, and `arm-none-eabi-gcc -O2` compiles a caller for every patched
header, emitting `dsb sy` and `isb sy`. Three headers that need toolchain
intrinsics GCC does not ship fail identically on `dev`.
Assisted-by: Copilot (Opus 5) <[email protected]>
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the Cortex-M low-level initialization (#714)
_tx_initialize_low_level wrote VTOR and derived _tx_thread_system_stack_ptr from
the reset vector on every Cortex-M port. Programming VTOR is the job of the
low-level startup code that runs before the kernel is entered, and doing it again
inside ThreadX silently overrode a vector table that the application, a
bootloader or a firmware update had already installed. It also forced every
application to export a vector table symbol that the kernel itself never needed.
_tx_thread_system_stack_ptr is never read by any Cortex-M port, so the value
copied out of the reset vector served no purpose.
Both blocks are removed from all Cortex-M ports, together with the now-unused
symbol declarations. The GreenHills files keep the NVIC base address load that
the removed block used to leave in r0 for the SysTick setup that follows.
Applications that relied on ThreadX programming VTOR must now set it in their
startup code. The bundled examples link their vector table at address zero and
run on the reset default.
Fixes #370
Assisted-by: Copilot (Opus 5) <[email protected]>
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no longer get warnings from ThreadX headers (#713)
* Marked every published ThreadX include directory as SYSTEM so applications no longer get warnings from ThreadX headers
Commit 8c3c08f added the SYSTEM keyword to the target_include_directories
call in common/CMakeLists.txt, but the same call in every port, in the
SMP common directory's consumers, in the POSIX and FreeRTOS compatibility
layers, and for the generated tx_user.h directory was left unchanged.
A consumer building with a strict warning set therefore still saw
diagnostics coming from tx_port.h and from the compatibility layer
headers, which is exactly what the original change set out to avoid.
Added the SYSTEM keyword to all of those calls so CMake emits -isystem
rather than -I for every directory holding a ThreadX public header. The
ARMv7-M, ARMv8-M, ARMv7-A and ARMv8-A architecture sources under
ports_arch were updated alongside the ports they generate, keeping the
two in step.
Directories that are PRIVATE to an example or test build were left as
they are, since nothing is published from them.
Fixes #290
Assisted-by: Copilot (Opus 5) <[email protected]>
* Stopped apt-get update being a gate it was never meant to be
apt-get update fails if any configured repository serves a bad index,
including ones this project never reads. The GitHub runner image carries
Google's and Microsoft's apt repositories, and a Hash Sum mismatch from
Google's, their CDN caught mid-publish with the index and the Release
file eight hours apart, failed all three attempts and turned a run red
over a browser nobody was installing.
Made a failed update warn and carry on, leaving apt-get install as the
gate. Nothing is weakened by that: the install still exits on a package
it cannot find, so an unreachable archive still stops the script, one
step later and naming the package it could not get, which is a better
diagnostic than a hash mismatch in a repository nobody asked for.
Disabling third-party sources before updating would keep the update
strict, but this script also runs on a contributor's own machine, and
rewriting someone's apt configuration to suit CI would be worse than
tolerating a stale index for an archive we do not read.
Assisted-by: Copilot (Opus 5) <[email protected]>
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(#711)
The idle loop in _tx_thread_schedule masks interrupts before re-reading
_tx_thread_execute_ptr, so that an interrupt cannot make a thread ready
between that read and the WFI and then be lost. With PRIMASK that is safe:
the architecture excludes PRIMASK from the WFI wake-up condition, so the
interrupt still wakes the processor and is taken as soon as the loop
re-enables interrupts.
BASEPRI is not excluded. When TX_PORT_USE_BASEPRI is defined, the mask
written at the top of the loop is still in place at the WFI, so any
interrupt at or below TX_PORT_BASEPRI fails to wake the processor at all.
On a system where every interrupt is managed by ThreadX, that is every
interrupt, and the processor stays in WFI or in the low power mode entered
by tx_low_power_enter until something outside the mask happens.
Set PRIMASK and clear BASEPRI for the duration of the WFI, then restore
BASEPRI and clear PRIMASK. Interrupts remain masked across the whole
window, so the original race is still closed, but the wake-up condition is
now evaluated with BASEPRI clear and any enabled interrupt can end the wait.
A pending interrupt is taken at the CPSIE i, or at the existing unmask
further down the loop if it falls below TX_PORT_BASEPRI.
The change is made in the ARMv7-M and ARMv8-M sources under ports_arch,
including the module manager, and propagated to the generated ports with
the copy scripts. The ghs and keil ports do not implement
TX_PORT_USE_BASEPRI, and Cortex-M0/M0+/M23 have no BASEPRI register, so
those ports are unaffected.
Verified by assembling every patched GNU port for Cortex-M3, M4, M7, M33,
M55 and M85, with and without TX_PORT_USE_BASEPRI, TX_LOW_POWER and
TX_ENABLE_EXECUTION_CHANGE_NOTIFY, and by checking the disassembly of the
idle loop.
Fixes #279
Assisted-by: Copilot (Opus 5) <[email protected]>
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The IAR multithreaded library support code allocates its file lock
mutexes from an array of _MAX_FLOCK entries, but the wrap-around check
and the exhaustion check in __iar_file_Mtxinit() both compared against
_MAX_LOCK, the bound of the unrelated system lock mutex array.
When _MAX_FLOCK is greater than _MAX_LOCK, the free mutex index wrapped
early and the exhaustion check reported failure while free entries
remained, so *m was set to TX_NULL and the application faulted the first
time a file lock was taken. When _MAX_FLOCK is smaller than _MAX_LOCK,
the free mutex index was allowed to run past the end of
__tx_iar_file_lock_mutexes and the exhaustion check could never fire.
Corrected all four comparisons in each of the 27 copies of tx_iar.c.
Fixes #444
Assisted-by: Copilot (Opus 5) <[email protected]>
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The BASEPRI-masking path in tx_thread_schedule wrote "MOV r0, 0" rather
than "MOV r0, #0". UAL requires the "#" prefix on an immediate operand.
GNU as and the LLVM-based assemblers accept the unprefixed form and emit
the intended encoding, but stricter assemblers reject it outright, so the
affected ports could not be built with those toolchains.
The GNU and AC6 sources had already been corrected; this brings the IAR
and AC5 sources into line. Verified that both spellings assemble to the
same Thumb-2 encoding (f04f 0000), so this is a source-correctness fix
with no change in generated code or runtime behaviour.
Covers 31 occurrences across the Cortex-M3, M4, M7, M33, M52, M55 and M85
ports, their module manager counterparts, and the shared ARMv7-M and
ARMv8-M architecture sources.
Fixes #461
Assisted-by: Copilot (Opus 5) <[email protected]>
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The Arm Development Studio launch configurations and the IAR project files
carried absolute paths from the machines they were last opened on: four
individuals' home directories, a Broadcom support build tree, and directories
such as C:\release\threadx, C:\temp1702\tx and D:\threadx. They are published in
the repository and none of them resolves for anyone else.
In the launch files all of it is saved session state, which files that were never
opened in a debugger simply do not have:
breakpoints 72 files, saved breakpoints anchored to source
paths under cortex_a35 on one machine. Emptied
rather than deleted, matching the 27 launch files
that already carry an empty list.
scripts_view_script_links 70 files, a scripts view cache. The script the
launch actually runs is named one line earlier
through ${workspace_loc:...}, which is portable.
substitutePath 65 files, source lookup remapping. 30 map a path
to itself, and the rest point at one machine's
copy of libgloss or a build directory.
TREE_NODE_PROPERTIES 39 files, which rows the variables view had
expanded.
DebugCommandLine.History 2 files, the debug console command history,
including a typed absolute path.
The two IAR cases are not session state and are corrected rather than removed:
IarchiveOutput 23 files. The librarian output path pointed at
another machine, so the library was written
outside the project. Set to ###Unitialized###,
which 86 other option blocks already use, letting
IAR derive $EXE_DIR$\$PROJ_FNAME$.a.
IlinkIcfFile 1 file. The linker configuration file is load
bearing, so the file name is kept and the path
made project relative, as 33 other option blocks
spell it.
Seven of the files are ports_arch templates, so the generators would otherwise
have copied the paths back.
Verified: all 162 launch and IAR project files in the tree parse as well-formed
XML afterwards, no tracked launch or project file mentions any of the four user
names, and scripts/check_ports.sh passes, so the templates and their generated
copies still agree.
Assisted-by: Claude Code (Opus 5) <[email protected]>
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The Cortex-M ports under ports/ are generated. scripts/copy_armv7_m.sh copies
one tx_port.h and the per tool sources to fifteen M3, M4 and M7 targets, and
scripts/copy_armv8_m.sh does the same for nine M33, M55 and M85 targets. The
ports_arch_check workflow runs both scripts and fails if the tree is not
reproducible, so those copies are meant never to be edited directly.
They were. Every Cortex-M fix since #523 was applied to the generated copies
and not to the source, so the source fell behind and the check went red:
running the three scripts on dev changes 35 files. The check triggers only on
pull requests targeting master, which is why nothing caught it while the fixes
were merged into dev.
Left alone, the next run of these scripts would have reverted three separate
pieces of work: the memory barriers and clobbers from #523, the correction of
the IAR assembly header to use the assembler's own comment syntax, and the move
of tx_initialize_low_level.S into example_build for the M33, M55 and M85 GNU
ports from #514.
Bring the sources up to what the ports carry today, and regenerate. Two
behavioural changes come with that, both deliberate. The barriers from #523
reach the ac5 and keil variants of M3, M4 and M7, which were outside the scope
of that fix and never received it. The barrier that follows restoring the
interrupt posture, which #523 gave only to the GNU ports because GNU was the
only toolchain that could be tested, now applies to every tool; the identical
asm statement already shipped in the AC6 and IAR ports, so this adds a pipeline
flush rather than any new compiler exposure.
Regenerating also drops a stray #endif at the end of the Cortex-M85 IAR
tx_port.h, added by #523, which left that header with one more #endif than #if
and unable to compile. Every other ARMv8-M port was balanced.
Verified that the scripts are idempotent afterwards, that ports_arch_check
would pass, that no port loses a barrier or a clobber, that every regenerated
header is preprocessor balanced, and that every Cortex-M port covered by the
two scripts now carries the entry barrier.
Assisted-by: Claude Code (Opus 5) <[email protected]>
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Use explicit immediate syntax when clearing BASEPRI in GNU and AC6 Cortex-M scheduler assembly.
Co-authored-by: Codex <[email protected]>
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* Add SysTick counter reset in Cortex-M ports
The SysTick counter value (SYST_CVR @0xE000E018) is indeterminate after
reset. Without clearing it prior to enabling the counter, the first tick
interval becomes unpredictable.
* Fixed missing comment and added generated-by header in Cortex-M0/AC6 port
Added the missing inline comment on the LDR r1, =0 instruction
(Build value for SysTick reset) and the required AI-generated
attribution comment under the copyright header.
---------
Co-authored-by: Frédéric Desbiens <[email protected]>
Co-authored-by: Copilot <[email protected]>
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* Updated version number constants
* Updated port version strings
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Co-authored-by: Copilot <[email protected]>
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Applied the standard MIT license header to all project-owned C, header,
assembly, shell, and Python files that were missing a copyright notice.
Third-party, toolchain startup, and auto-generated files were excluded.
Co-authored-by: Copilot <[email protected]>
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* Updated version number constants
* Updated port version strings
---------
Co-authored-by: Copilot <[email protected]>
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* Updated version number constants
* Removed revision history from all files
* Added Eclipse ThreadX contributors' copyright header
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* Update version number in API header
* Update release date and version
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* Include tx_user.h in ARMv7-M IAR port
* Include tx_user.h in ARMv7-M AC5 port
* Include tx_user.h in cortex_m3/4/7 IAR and AC5 port
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* Release ARMv7-M and ARMv8-M architecture ports
* Add a pipeline to check ports_arch
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