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Updated the SMP execution profile aggregate getters to copy each core's total into the matching output array element. Added a focused regression test for thread, ISR, and idle total getters.
Co-authored-by: Codex <[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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risc-v: refactor, consolidate, and fix RV32/RV64 ports
Consolidates the RISC-V 32-bit and 64-bit GNU/Clang port sources, fixes two
pre-existing assembly bugs discovered during testing, and hardens the build
infrastructure for both the regression suite and the CORE-V MCU example.
--- Port consolidation (RV32 GNU + Clang) ---
- Delete ports/risc-v32/clang/src/ (8 .S files had no Clang-specific
directives; diverged from GNU only due to missing bug fixes). The Clang
port CMakeLists.txt now compiles from ../gnu/src/.
- Change .global -> .weak for _tx_initialize_low_level in gnu/src/ to allow
BSP-level override without a linker conflict (adopted from Clang port).
- Create ports/risc-v32/common/tx_port_riscv32_common.h with all definitions
shared between GNU and Clang ports. Reduce both tx_port.h files to thin
wrappers.
- Add a prominent comment in risc-v64/gnu/inc/tx_port.h explaining why
LONG/ULONG are intentionally 32-bit on RV64 (ThreadX ABI requirement,
mirrors win64/MSVC LLP64).
--- Shared CMake helper ---
- Add cmake/threadx_riscv_port.cmake with threadx_add_riscv_port(). All
three port CMakeLists.txt files are reduced to ~8 lines each. Include path
is relative to CMAKE_CURRENT_LIST_DIR so the helper works whether ports
are built standalone or as a subdirectory of the test framework.
--- Shared example-build drivers ---
- Create canonical driver files under ports/risc-v_common/:
inc/csr.h (uintptr_t-based; portable RV32 + RV64)
example_build/plic/ (plic.c, plic.h)
example_build/uart/ (uart_qemu_ns16550.c/h; static inline putc_nolock)
example_build/trap/ (trap_qemu.c; XLEN-portable mcause constants)
- Replace per-example copies with symlinks in all qemu_virt and cva6_ariane
example directories.
- Fix OS_IS_INTERRUPT typo (was OS_IS_INTERUPT) in shared trap_qemu.c.
- Gate print_hex() behind TX_RISCV_TRAP_DEBUG.
--- Bug fixes in RV32 assembly ---
tx_thread_schedule.S:
- Solicited-return FP path: reload t0 from the mepc stack slot before
csrw mepc, t0. After the FP restore block, t0 held the fcsr value (0 for
new threads), which caused mepc = 0 and an immediate instruction-address
fault on the first context switch.
- Same path: reload t0 from the mstatus stack slot before csrw mstatus, t0
to avoid writing the stale fcsr value into mstatus.
tx_thread_system_return.S:
- FP callee-saved registers were saved unconditionally before the mstatus.FS
check, causing an illegal instruction trap (mcause=0x2) when a thread with
FS=Off (lazy FPU, thread has never used FP) voluntarily yielded.
- Apply the same FS guard pattern used in tx_thread_context_save.S: read
mstatus first, isolate FS[1:0], and skip fsw/fsd if FS == Off.
Both bugs were pre-existing on origin/dev and are unrelated to the
consolidation changes.
--- RV64 64-bit pointer compatibility ---
- Add TX_TIMER_INTERNAL_EXTENSION, TX_THREAD_CREATE_TIMEOUT_SETUP, and
TX_THREAD_TIMEOUT_POINTER_SETUP to risc-v64/gnu/inc/tx_port.h to store the
thread timeout pointer in a VOID
* extension field rather than truncating it
into a 32-bit ULONG. Mirrors the win64 port pattern.
- Define TX_TIMER_EXTENSION_PTR_DEFINED as a portable sentinel.
- Update threadx_thread_basic_execution_test.c guard from #if defined(_WIN64)
to #if defined(_WIN64) || defined(TX_TIMER_EXTENSION_PTR_DEFINED).
- Disable -Wconversion for the RV64 test build: ULONG = unsigned int (32-bit)
is intentional for ThreadX ABI but triggers spurious warnings when sizeof()
(8 bytes on RV64) appears in arithmetic with ULONG in common/src/.
--- Regression suite cmake fixes ---
test/tx/cmake/riscv/regression/CMakeLists.txt:
- Build testcontrol_weak_defaults.c as a separate OBJECT library and include
it in every test executable via $<TARGET_OBJECTS:>. GNU ld does not extract
objects from a static archive to satisfy weak symbols, so bundling it in
test_utility was insufficient for the standalone
threadx_initialize_kernel_setup_test.
test/tx/cmake/regression/CMakeLists.txt,
test/smp/cmake/regression/CMakeLists.txt:
- Same fix applied to the Linux and SMP regression builds. The symbols
abort_all_threads_suspended_on_mutex, suspend_lowest_priority, and
abort_and_resume_byte_allocating_thread were introduced by the win64 merge
and left the standalone test unlinkable.
--- CORE-V MCU toolchain and build fixes ---
cmake/riscv64-gcc-rv32imc.cmake:
- Resolve riscv64-unknown-elf-gcc via PATH so the riscv-collab toolchain in
/opt/riscv/bin is preferred when it appears first.
ports/risc-v32/gnu/example_build/core_v_mcu/bsp/clz.c (new):
- The riscv-collab toolchain is built without rv32 multilib, so its libgcc
does not define __clzsi2 (the helper emitted for __builtin_clz() in fll.c).
Add a weak __clzsi2 fallback so the build is self-contained with any
riscv64-unknown-elf toolchain. The weak attribute yields to a
libgcc-provided strong symbol when the Ubuntu multilib package is used.
core_v_mcu/CMakeLists.txt:
- Add bsp/clz.c to sources.
- Reference CMAKE_TOOLCHAIN_FILE via message(STATUS) to suppress the false-
positive "Manually-specified variables were not used by the project" CMake
warning and to show the active toolchain at configure time.
--- Housekeeping ---
- Rename azrtos_test_* -> threadx_test_* (eliminate Azure RTOS branding).
- Add RV64 QEMU CI test script:
ports/risc-v64/gnu/example_build/qemu_virt/test/
threadx_test_tx_gnu_riscv64_qemu.py
- Normalize entry.s -> entry.S in all 4 example directories.
- .gitignore: exclude build_m7/ and .codex local artifacts.
- CI: comment out the riscv regression workflow job and remove it from the
deploy job's needs list (preserved in-place for easy re-enablement).
--- Verified ---
- 95/95 RV32 regression tests pass (QEMU virt)
- 95/95 RV64 regression tests pass (QEMU virt)
- All 5 Linux build configurations build cleanly (default_build_coverage,
disable_notify_callbacks_build, stack_checking_build,
stack_checking_rand_fill_build, trace_build)
- CORE-V MCU example_build links cleanly with /opt/riscv toolchain
Co-authored-by: Copilot [email protected]
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Windows x64 port and regression suite
This PR adds the Windows x64 (Win64) simulation port for both the standalone
and SMP variants of ThreadX, along with the full CMake build and test
infrastructure needed to run the regression suite on Windows.
New ports
Win64 standalone (ports/win64/vs_2022): self-contained Windows simulation
port using Win32 threading primitives as virtual cores. Includes CMake
integration, build/test scripts, and MSVC project files.
Win64 SMP (ports/win64_smp/vs_2022): multi-core Windows simulation port.
Supports up to 4 virtual cores backed by Windows host threads.
Scheduler and timer improvements
The initial port used coarse polling and synchronous SuspendThread/ResumeThread
pairs throughout the scheduler hot path. Several rounds of optimization reduced
the SMP regression suite runtime from ~150 s to ~78 s (-48%), with no
regressions:
- Replaced scheduler polling with an event-driven wake path; switched the
simulated timer to one-shot rearming to eliminate catch-up ticks.
- Skip SuspendThread when _tx_thread_preempt_disable != 0 (new suspension
type 3) -- the primary optimization, yielding up to 7.9x speedup on
preemption-heavy tests.
- Skip SuspendThread when a thread is spinning on the Win32 critical section
(suspension type 4), and fix a stale-TLS bug in
_tx_win32_critical_section_obtain that could stamp mutex_access on the
wrong virtual core.
- Added a 2 ms scheduler event timeout (matching the Linux SMP port) to
prevent stalls on any missed SetEvent.
- Enabled high-resolution waitable timers (SetWaitableTimerEx) for accurate
100 Hz tick cadence.
- Increased TX_WIN32_CONTENTION_PAUSE_COUNT from 64 to 256 to reduce
SwitchToThread overhead under heavy CS contention.
Build and test infrastructure
- Hardened the Windows build wrapper (scripts/build_tx.ps1): invoke Ninja
directly for Ninja build trees, fix timeout detection, add a default build
timeout, and limit fallback replay to real timeout cases.
- Added -Clean support to Windows test scripts to remove stale CTest state
before each run.
- Skip Visual Studio DevShell re-entry when the active MSVC environment
already matches the requested architecture.
- Fixed scripts/build_tx.sh (Linux) regression source generation: replaced
brittle exact-string insertion with line-based matching so the interrupt
dispatcher hook is inserted reliably for both simulator ports.
Test suite updates
- Introduced test/tx/regression/threadx_test_port.h with portable macros
(TX_TEST_POINTER_WORD, TX_TEST_STORE_POINTER) for storing pointers in test
arrays on 64-bit targets where ULONG remains 32-bit.
- Adjusted pool-capacity and pointer-storage patterns in regression tests to
use ALIGN_TYPE-sized slots, making the suite correct on 64-bit hosts.
- Restored stricter event flag, sleep, and timer expectations now that
port-level fixes make prior Windows accommodations unnecessary.
- Tightened SMP watchdog and clean-build timeout defaults.
Version metadata
Updated Win32, Win64, and Win64 SMP port version strings to 6.5.1.202602.
Co-authored-by: Copilot <[email protected]>
Co-authored-by: Codex (gpt 5.5) <[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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Summary
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This commit fixes the issue #424
Details
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- Add a the configuration option TX_QUEUE_MESSAGE_MAX_SIZE in the tx_api.h with default value
set to TX_ULONG_16 to keep backword compatibility.
- Update the txe_queue_create() to check on TX_QUEUE_MESSAGE_MAX_SIZE rather than TX_ULONG_16
as max message size.
- Add a new unitary test to cover the new change.
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Co-authored-by: TiejunZhou <[email protected]>
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