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The RISC-V job installs qemu-system-misc, ninja-build and cmake under a
two-minute per-attempt budget. With recommends enabled that install fetches 67
packages and 87 MB of archives, 388 MB unpacked, because qemu-system-misc
recommends gstreamer, pulseaudio, v4l and a set of codec libraries. Twenty-six
of the 67 are that media stack, and the job runs qemu-system-riscv64 headless.
On a slow mirror the download does not finish inside the budget, and all three
attempts time out.
The install now passes --no-install-recommends. Raising the budget was the
alternative and is not available: TIMEOUT_LONG is already sized so that three
attempts fit inside the ten-minute install step, as its own comment records.
Observed on the run for #783, where all three attempts timed out while a second
RISC-V run at the same minute succeeded, which is the mirror-speed dependence
this removes.
Assisted-by: Claude Code (Opus 5) <[email protected]>
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shared it between them (#721)
install.sh grew a retry loop, per-command timeouts and a deliberately
non-gating apt-get update after this runner pool cost several whole runs: a
mirror going silent for two hours, and a Hash Sum mismatch from a third-party
repository the project does not even use turning builds red. Those lessons were
local to that one file.
install_riscv.sh had none of them, and #717 puts it on every pull request's
critical path. Under set -e its bare apt-get update was a single point of
failure for the whole suite -- the precise case install.sh downgrades to a
warning on purpose -- and its two wget calls, each fetching about 500 MB, had
no retry and no timeout.
Rather than copy the helpers and let them drift again, they move to
tx_ci_common.sh and both scripts source it, following the arrangement
scripts/tx_windows_common.ps1 already uses on the Windows side. install.sh
keeps its behaviour exactly: same APT_OPTIONS, same 120-second TIMEOUT, same
three-attempt retry, and the comments explaining each of them travel with the
code they explain.
Two things are new:
- TIMEOUT_LONG, 180 seconds, for a single large download. Sized against the
39 seconds each tarball took on 10 Sep 2026 and deliberately not larger:
the install step is capped at ten minutes, and a per-attempt timeout able
to swallow that cap would leave the retry loop no turn to take, which is
the failure mode the apt comment already records.
- fetch(), which verifies a SHA-256 before anything is unpacked. Both digests
were taken from the releases API and then checked against the bytes the CDN
actually serves. This is not an independent trust root -- expected value and
file come from the same host -- but it pins the bytes, so a deleted and
re-pushed tag or a replaced asset stops the build instead of being picked up
silently.
Also verifies qemu-system-riscv32 alongside riscv64. run.sh selects one per
architecture, so both are worth failing on here rather than at the first test.
Verified locally: retry returns 0 on success and 1 after three attempts;
fetch accepts a correct digest and, on a wrong one, fails and removes the
partial file; the source line resolves from the repository root, from an
absolute path and through a symlink; and both recorded digests match the
bytes served for the pinned tag.
Assisted-by: Claude Code (Opus 5) <[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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Added a QEMU virt-machine BSP and CTest infrastructure to run the
ThreadX regression suite on both RISC-V 32-bit and 64-bit targets
in CI.
New components:
- BSP (entry, trap, PLIC, CLINT timer, UART, linker script) targeting
QEMU virt machine for RV32 and RV64
- CMake build system with Ninja, supporting multiple build configs
- CI scripts: install_riscv.sh (toolchain + QEMU), build_tx_riscv.sh,
test_tx_riscv.sh
- GitHub Actions workflow job for RISC-V regression gating
Port fixes:
- RV32 tx_thread_context_restore.S: set MPIE alongside MPP (0x1800 →
0x1880) so mret re-enables interrupts
- RV32/RV64 tx_port.h: add TX_REGRESSION_TEST extension macros needed
by the test harness
- RV32/RV64 example_build scripts: add compile and QEMU launch steps
Regression test portability fixes:
- Block memory tests: increase pool sizes (320 → 340) to accommodate
larger RISC-V block-header alignment
- Byte memory test: replace hardcoded offsets with BYTE_POOL_OVERHEAD
macro for portable pool-size computation
- Event flag timeout test: make counter tolerance unconditional,
removing linux-only guard
Signed-off-by: Akif Ejaz <[email protected]>
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