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Frédéric Desbiens 990faf670d Enabled execution profiling for Cortex-R5 (#766) 
The Cortex-R5 assembly guarded its execution-profile hooks with only the legacy
TX_ENABLE_EXECUTION_CHANGE_NOTIFY symbol. The documented
TX_EXECUTION_PROFILE_ENABLE configuration initialized profiling without recording
thread or interrupt transitions.

I made all AC5, AC6, GNU, Green Hills, and IAR hooks accept both symbols. I also
extended the port consistency and GNU/LLVM feature checks to cover the current
configuration.

All 849 base assembly files and all 219 TX_EXECUTION_PROFILE_ENABLE files passed
with GCC 14.2.1 and clang 22.1.0. A CMake/Ninja Cortex-R5 profile build emitted
all seven expected hook relocations. Proprietary toolchains were not run.

Assisted-by: Codex (GPT-5) <noreply@openai.com>
2026-09-28 12:45:09 -04:00

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#!/bin/bash
##############################################################################
# Copyright (c) 2026 Eclipse ThreadX contributors
#
# This program and the accompanying materials are made available under the
# terms of the MIT License which is available at
# https://opensource.org/licenses/MIT.
#
# AI Disclosure: This file was largely AI-generated by Claude Code (Opus 5).
# The AI-generated portions may be considered public domain (CC0-1.0)
# and not subject to the project's licence. The human contributor has
# reviewed and verified that the code is correct.
#
# SPDX-License-Identifier: MIT and CC0-1.0
##############################################################################
# Builds the Arm ports with the GNU toolchain, in seven stages: assemble every
# assembly source of every Arm gnu port, assemble again the parts guarded by
# feature macros, compile the common C sources for one core per architecture
# profile, compile the module manager C sources once per Arm module port, link
# the example builds, both the script-driven ones and those driven by CMake,
# and finally assert that the option combinations the Cortex-R52 port refuses
# are in fact refused. Only the linking stages need a target C library.
#
# scripts/check_gcc.sh # both drivers from PATH
# scripts/check_gcc.sh --arm-none-eabi /path/to/toolchain/bin \
# --aarch64-none-elf /path/to/toolchain/bin
#
# Options:
# --arm-none-eabi <path> arm-none-eabi-gcc, or the directory holding it.
# Defaults to $ARM_NONE_EABI_GCC then to PATH.
# --aarch64-none-elf <path> aarch64-none-elf-gcc, or its directory.
# Defaults to $AARCH64_NONE_ELF_GCC then to PATH.
# --asm-only Skip the C sources and the example builds.
# --no-examples Skip the example builds.
# --quiet Print only failures and the summary.
#
# Exit status is 0 when everything builds and 1 otherwise.
#
# Why this exists: GCC 14 on Linux is the project's default compiler, it is
# what the gnu ports exist for, and it is what nearly every downstream user
# builds with -- and until this script landed, nothing in CI compiled a line
# of any port with it. The only cross-compilation check that ran was the LLVM
# one, so the ATfE path was better guarded than the GNU one, on ports whose
# directory is literally named gnu.
#
# This is the companion to scripts/check_clang.sh and deliberately mirrors it
# stage for stage. They are two scripts rather than one with a --toolchain flag
# because the flag surface differs (a prefixed driver against --target=), the
# C library differs, and the set of examples that can link differs. Folding
# them together makes it easy to weaken one check while working on the other.
#
# It compiles and links; it executes nothing. The Cortex-R52 FVP ctest suite is
# a separate matter, and the RISC-V, MIPS, RX and ARC families are outside it
# entirely -- every skip is printed by name below.
#
# Arm GNU toolchain releases:
# https://developer.arm.com/downloads/-/arm-gnu-toolchain-downloads
set -u
cd "$(dirname "$(realpath "$0")")/.."
# Two toolchains, not one. Arm ships arm-none-eabi (AArch32: every M and R
# profile core and the A32 A-profile ports) and aarch64-none-elf as separate
# downloads, and PORT_TARGET below maps every port to one of exactly those two
# triples. Both are required: making a missing one a soft skip would let a run
# cover half the tree and still say "all checks passed", which is the failure
# this script was written to end.
CC_ARM="${ARM_NONE_EABI_GCC:-}"
CC_AARCH64="${AARCH64_NONE_ELF_GCC:-}"
asm_only=0
no_examples=0
quiet=0
while [ "$#" -gt 0 ]; do
case "$1" in
--arm-none-eabi)
[ "$#" -ge 2 ] || { echo "Error: --arm-none-eabi needs a path" >&2; exit 2; }
CC_ARM="$2"; shift 2 ;;
--aarch64-none-elf)
[ "$#" -ge 2 ] || { echo "Error: --aarch64-none-elf needs a path" >&2; exit 2; }
CC_AARCH64="$2"; shift 2 ;;
--asm-only) asm_only=1; no_examples=1; shift ;;
--no-examples) no_examples=1; shift ;;
--quiet) quiet=1; shift ;;
-h|--help) sed -n '17,36p' "$0"; exit 0 ;;
*) echo "Error: unknown option '$1'" >&2; exit 2 ;;
esac
done
say() { [ "$quiet" -eq 1 ] || echo "$@"; }
fail() { echo " FAIL: $*"; }
# The C stages treat any compiler output as a failure, and a #pragma message is
# a deliberate notice to callers rather than a defect in the file that carries
# it -- txm_module_manager_absolute_load.c deprecates itself in favour of the
# extended entry point, and the module manager stage compiles it once per port.
#
# check_clang.sh suppresses these at the compiler with -Wno-#pragma-messages.
# GCC has no equivalent: the note is unconditional, and neither -Wno-pragmas
# nor any other -W option silences it -- verified with 14.3.rel1. So it is
# filtered out of the output here instead, along with the source quote and
# caret GCC prints beneath it. The skip ends at the next line that starts a
# diagnostic of its own, so an error following a waived note is still reported.
strip_pragma_messages() {
awk '
/note: .#pragma message:/ { skip = 1; next }
skip && /^ *[0-9]* *\|/ { next }
{ skip = 0; print }
'
}
# Accept either the driver itself or the directory holding it, since a
# toolchain is unpacked as a tree and naming its bin directory is the natural
# thing to reach for. Resolve to an absolute path: the example stages run the
# build scripts from inside their own directories, so a relative path would
# stop resolving there.
resolve_gcc() {
triple="$1"
given="$2"
if [ -z "$given" ]; then
command -v "${triple}-gcc" >/dev/null 2>&1 || return 1
command -v "${triple}-gcc"
return 0
fi
if [ -d "$given" ]; then
for candidate in "$given/${triple}-gcc" "$given/bin/${triple}-gcc"; do
[ -x "$candidate" ] && { realpath "$candidate"; return 0; }
done
return 1
fi
[ -x "$given" ] || return 1
realpath "$given"
}
missing=""
CC_ARM="$(resolve_gcc arm-none-eabi "$CC_ARM")" || missing="$missing arm-none-eabi"
CC_AARCH64="$(resolve_gcc aarch64-none-elf "$CC_AARCH64")" || missing="$missing aarch64-none-elf"
if [ -n "$missing" ]; then
echo "Error: compiler(s) not found:$missing"
echo "Pass --arm-none-eabi and --aarch64-none-elf, set ARM_NONE_EABI_GCC and"
echo "AARCH64_NONE_ELF_GCC, or put both drivers on PATH. Downloads:"
echo " https://developer.arm.com/downloads/-/arm-gnu-toolchain-downloads"
exit 1
fi
say ""
say "Using: $CC_ARM"
say " $("$CC_ARM" --version | head -1)"
say " $CC_AARCH64"
say " $("$CC_AARCH64" --version | head -1)"
# The example build scripts and the CMake toolchain file call the drivers by
# their bare prefixed names, so both bin directories go on PATH for the linking
# stages. Done once, here, rather than per stage: a second toolchain arriving
# on PATH halfway through a run is exactly the kind of difference that makes a
# failure irreproducible.
PATH="$(dirname "$CC_ARM"):$(dirname "$CC_AARCH64"):$PATH"
export PATH
# Pick the driver for a port from its triple, so the map below stays the single
# place a port's architecture is decided.
cc_for() {
case "$1" in
aarch64-none-elf) echo "$CC_AARCH64" ;;
*) echo "$CC_ARM" ;;
esac
}
# Each port directory is mapped explicitly to a target triple and CPU. Do not
# replace this with prefix matching: cortex_a5* also matches cortex_a53 and
# cortex_a55, which are AArch64, and assembling those as ARM32 produces a flood
# of misleading errors.
#
# Copied verbatim from scripts/check_clang.sh. Keep the two identical -- a port
# covered by one check and not the other is worse than one covered by neither,
# because the checks list implies parity that does not exist.
declare -A PORT_TARGET=(
[cortex_m0]="arm-none-eabi cortex-m0 -mthumb"
[cortex_m0+]="arm-none-eabi cortex-m0plus -mthumb"
[cortex_m3]="arm-none-eabi cortex-m3 -mthumb"
[cortex_m4]="arm-none-eabi cortex-m4 -mthumb"
[cortex_m7]="arm-none-eabi cortex-m7 -mthumb"
[cortex_m23]="arm-none-eabi cortex-m23 -mthumb"
[cortex_m33]="arm-none-eabi cortex-m33 -mthumb"
[cortex_m52]="arm-none-eabi cortex-m52 -mthumb -mfloat-abi=hard"
[cortex_m55]="arm-none-eabi cortex-m55 -mthumb -mfloat-abi=hard"
[cortex_m85]="arm-none-eabi cortex-m85 -mthumb -mfloat-abi=hard"
[cortex_a5]="arm-none-eabi cortex-a5"
[cortex_a7]="arm-none-eabi cortex-a7"
[cortex_a8]="arm-none-eabi cortex-a8"
[cortex_a9]="arm-none-eabi cortex-a9"
[cortex_a12]="arm-none-eabi cortex-a12"
[cortex_a15]="arm-none-eabi cortex-a15"
[cortex_a17]="arm-none-eabi cortex-a17"
[cortex_a5_smp]="arm-none-eabi cortex-a5"
[cortex_a7_smp]="arm-none-eabi cortex-a7"
[cortex_a9_smp]="arm-none-eabi cortex-a9"
[cortex_r4]="arm-none-eabi cortex-r4"
[cortex_r5]="arm-none-eabi cortex-r5"
[cortex_r52]="arm-none-eabi cortex-r52"
[cortex_a34]="aarch64-none-elf cortex-a34"
[cortex_a35]="aarch64-none-elf cortex-a35"
[cortex_a53]="aarch64-none-elf cortex-a53"
[cortex_a55]="aarch64-none-elf cortex-a55"
[cortex_a57]="aarch64-none-elf cortex-a57"
[cortex_a65]="aarch64-none-elf cortex-a65"
[cortex_a65ae]="aarch64-none-elf cortex-a65ae"
[cortex_a72]="aarch64-none-elf cortex-a72"
[cortex_a73]="aarch64-none-elf cortex-a73"
[cortex_a75]="aarch64-none-elf cortex-a75"
[cortex_a76]="aarch64-none-elf cortex-a76"
[cortex_a76ae]="aarch64-none-elf cortex-a76ae"
[cortex_a77]="aarch64-none-elf cortex-a77"
[cortex_a34_smp]="aarch64-none-elf cortex-a34"
[cortex_a35_smp]="aarch64-none-elf cortex-a35"
[cortex_a53_smp]="aarch64-none-elf cortex-a53"
[cortex_a55_smp]="aarch64-none-elf cortex-a55"
[cortex_a57_smp]="aarch64-none-elf cortex-a57"
[cortex_a65_smp]="aarch64-none-elf cortex-a65"
[cortex_a65ae_smp]="aarch64-none-elf cortex-a65ae"
[cortex_a72_smp]="aarch64-none-elf cortex-a72"
[cortex_a73_smp]="aarch64-none-elf cortex-a73"
[cortex_a75_smp]="aarch64-none-elf cortex-a75"
[cortex_a76_smp]="aarch64-none-elf cortex-a76"
[cortex_a76ae_smp]="aarch64-none-elf cortex-a76ae"
[cortex_a77_smp]="aarch64-none-elf cortex-a77"
[cortex_a78_smp]="aarch64-none-elf cortex-a78"
)
# Assembly guarded by a feature macro is invisible to the stage above, which
# assembles with default flags and so lets the preprocessor discard every #ifdef
# block before the assembler sees it. These are the macros a user can turn on;
# each file carrying one is assembled again with it defined.
#
# This is not hypothetical, and it is not only clang's finding. The Cortex-M23
# module manager carried "POP {r0, lr}" in exactly these paths -- invalid on
# Armv8-M Baseline, where the 16-bit POP takes r0-r7 and pc only -- for six
# months after the identical fix landed in its non-module sibling, because no
# glob in either script reached ports_module until #672.
FEATURE_MACROS="TX_ENABLE_VFP_SUPPORT TX_ENABLE_FIQ_SUPPORT TX_LOW_POWER
TX_ENABLE_EXECUTION_CHANGE_NOTIFY TX_EXECUTION_PROFILE_ENABLE"
# TX_ENABLE_IRQ_NESTING and TX_ENABLE_FIQ_NESTING are deliberately not here.
# They guard no assembly in the trees this script walks: the nesting start and
# end routines are separate files compiled unconditionally, and the macros only
# feed the TX_PORT_SPECIFIC_BUILD_OPTIONS bitfield in tx_port.h. Adding them
# would assemble nothing new and imply coverage that does not exist.
# Extra flags for the VFP paths, per core.
#
# check_clang.sh's equivalent map has one entry and a comment saying "Do not
# extend this to the A profile ports ... their defaults are already correct."
# That is true of clang and false of GCC, so do not copy that comment here.
# arm-none-eabi-gcc defaults to -mfloat-abi=soft, which disables the FPU
# outright, and every VFP file then fails with
#
# selected processor does not support 'vmrs r1,FPSCR' in ARM mode
#
# -mfloat-abi=hard alone is the fix, and it is the right one: it selects the
# core's own default FPU rather than naming one. Naming a -d16 FPU is the trap
# the clang script warns about -- the A-profile paths save D16-D31, which exist
# only on a 32-register FPU, so a -d16 choice turns 28 working files into
# "register expected".
#
# Cortex-R4 is the exception, in both scripts and for the same reason: its FPU
# is an option rather than part of the core, so -mfloat-abi=hard alone gives
# "selected architecture lacks an FPU" and an explicit -mfpu is required. The
# value matches check_clang.sh's, so the two scripts say the same thing about
# the same port.
#
# Every entry below was measured against arm-gnu-toolchain 14.3.rel1. A core
# that acquires a VFP-guarded file without an entry here fails loudly rather
# than silently, which is the intended behaviour.
declare -A VFP_EXTRA=(
[cortex_a5]="-mfloat-abi=hard"
[cortex_a7]="-mfloat-abi=hard"
[cortex_a8]="-mfloat-abi=hard"
[cortex_a9]="-mfloat-abi=hard"
[cortex_a12]="-mfloat-abi=hard"
[cortex_a15]="-mfloat-abi=hard"
[cortex_a17]="-mfloat-abi=hard"
[cortex_a5_smp]="-mfloat-abi=hard"
[cortex_a7_smp]="-mfloat-abi=hard"
[cortex_a9_smp]="-mfloat-abi=hard"
[cortex_r4]="-mfpu=vfpv3-d16 -mfloat-abi=softfp"
[cortex_r5]="-mfloat-abi=hard"
[cortex_r52]="-mfloat-abi=hard"
)
# One core per architecture profile for the C sources. Compiling all of them
# for every core would multiply the run time without adding coverage, since the
# port headers differ by profile rather than by core.
#
# cortex_r52 earns a slot of its own next to cortex_r5 because Armv8-R AArch32
# is a separate profile rather than a variant of Armv7-R. That port is written
# by hand instead of generated from ports_arch, and its tx_port.h differs
# accordingly, so cortex_r5 does not stand in for it.
C_CORES="cortex_m0 cortex_m4 cortex_m23 cortex_m33 cortex_m55 cortex_a7 cortex_a53 cortex_r5 cortex_r52"
# Example builds driven by CMake rather than by a build_threadx.sh pair. These
# are covered by their own stage below, so the script-driven loop passes over
# them without reporting them as a gap.
CMAKE_EXAMPLE_CORES="cortex_r52"
# Example builds that are not expected to link, with the reason. Named by
# their port directory, which covers both ports/ and ports_smp/. Listed
# explicitly rather than silently skipped, so the gaps stay visible.
#
# The same four as check_clang.sh, and the reason there is stated in terms of
# GNU tooling because that is where it was reproduced:
#
# their linker scripts define the .init and .fini sections but not the _init
# and _fini symbols. Those come from crti.o and crtn.o, which -nostartfiles
# leaves out, so newlib's fini.c cannot resolve them and the link ends with
# "undefined reference to `_fini'".
#
# The 27 AArch64 examples failed the same way until #673, which links crti.o
# and crtn.o back. They are deliberately absent from this list: they link.
EXAMPLES_EXPECTED_TO_FAIL="arm9 arm11 cortex_r4 cortex_r5"
failures=0
skipped=""
# --------------------------------------------------------------------------
say ""
say "== Assembly sources of every Arm gnu port =="
total=0
# The module ports keep their assembly in module_manager/src, not src.
# check_clang.sh read ports_module/*/gnu/src until #672; that directory does
# not exist, the [ -d ] guard skipped it in silence, and 116 files across nine
# Arm module ports were assembled by no check with either compiler. This script
# has never had that hole and must not acquire it.
for dir in ports/*/gnu/src ports_smp/*/gnu/src ports_module/*/gnu/module_manager/src; do
[ -d "$dir" ] || continue
core="$(echo "$dir" | cut -d/ -f2)"
spec="${PORT_TARGET[$core]:-}"
if [ -z "$spec" ]; then
skipped="$skipped $core"
continue
fi
# shellcheck disable=SC2086
set -- $spec
target="$1"; cpu="$2"; shift 2; extra="$*"
CC="$(cc_for "$target")"
for src in "$dir"/*.S "$dir"/*.s; do
[ -f "$src" ] || continue
total=$((total + 1))
output="$("$CC" -mcpu="$cpu" $extra -c "$src" -o /dev/null 2>&1)"
if [ -n "$output" ]; then
fail "$src"
echo "$output" | sed 's/^/ /'
failures=$((failures + 1))
fi
done
done
say " $((total - failures)) of $total assembled"
if [ -n "$skipped" ]; then
say " not Arm, skipped:$(echo $skipped | tr ' ' '\n' | sort -u | tr '\n' ' ')"
say " (arm9 and arm11 are Arm; they are skipped for having no PORT_TARGET entry)"
fi
# --------------------------------------------------------------------------
say ""
say "== Assembly behind feature macros =="
for macro in $FEATURE_MACROS; do
macro_total=0
macro_bad=0
for src in $(grep -rl "$macro" ports/*/gnu/src/*.S ports_smp/*/gnu/src/*.S \
ports_module/*/gnu/module_manager/src/*.S \
2>/dev/null | sort); do
core="$(echo "$src" | cut -d/ -f2)"
spec="${PORT_TARGET[$core]:-}"
[ -n "$spec" ] || continue
# shellcheck disable=SC2086
set -- $spec
target="$1"; cpu="$2"; shift 2; extra="$*"
CC="$(cc_for "$target")"
# The FPU flags apply to the VFP paths only; the other macros guard no
# floating-point code and do not need them.
fpu=""
if [ "$macro" = "TX_ENABLE_VFP_SUPPORT" ]; then
fpu="${VFP_EXTRA[$core]:-}"
fi
macro_total=$((macro_total + 1))
output="$("$CC" -mcpu="$cpu" $extra $fpu \
-D"$macro" -c "$src" -o /dev/null 2>&1)"
if [ -n "$output" ]; then
fail "$src with -D$macro"
# Not filtered on "error": GCC prefixes its diagnostics with an
# "Assembler messages:" line and a missing tool says nothing of the
# kind, so filtering would hide the case worth seeing.
echo "$output" | head -4 | sed 's/^/ /'
macro_bad=$((macro_bad + 1))
failures=$((failures + 1))
fi
done
if [ "$macro_total" -eq 0 ]; then
say " $macro: no assembly is guarded by it"
else
say " $macro: $((macro_total - macro_bad)) of $macro_total assembled"
fi
done
# --------------------------------------------------------------------------
if [ "$asm_only" -eq 0 ]; then
say ""
say "== Common C sources, one core per architecture profile =="
for core in $C_CORES; do
spec="${PORT_TARGET[$core]:-}"
[ -n "$spec" ] || continue
# shellcheck disable=SC2086
set -- $spec
target="$1"; cpu="$2"; shift 2; extra="$*"
CC="$(cc_for "$target")"
count=0; bad=0
for src in common/src/*.c; do
count=$((count + 1))
output="$("$CC" -mcpu="$cpu" $extra \
-Iports/"$core"/gnu/inc -Icommon/inc -c "$src" -o /dev/null 2>&1)"
if [ -n "$output" ]; then
fail "$core: $src"
echo "$output" | head -4 | sed 's/^/ /'
bad=$((bad + 1)); failures=$((failures + 1))
fi
done
say " $core: $((count - bad)) of $count compiled"
done
fi
# --------------------------------------------------------------------------
if [ "$asm_only" -eq 0 ]; then
say ""
say "== Module manager C sources, one per Arm module port =="
# #689 added this stage to check_clang.sh alone, so the module manager C
# stayed unbuilt by the project's declared default compiler: 28 files of
# portable module manager under common_modules, plus the three to nine
# per-port files under ports_module/<core>/gnu/module_manager/src. This is
# the GCC half, and it is deliberately the same stage -- same ports, same
# headers, same counts -- because a port covered by one check and not the
# other implies a parity the checks list does not have.
#
# Each module port ships its own tx_port.h and txm_module_port.h, carrying
# the control-block extensions the dispatch code needs, so a port is
# compiled against its own headers rather than the base port's.
module_skipped=""
for dir in ports_module/*/gnu/module_manager/src; do
[ -d "$dir" ] || continue
core="$(echo "$dir" | cut -d/ -f2)"
spec="${PORT_TARGET[$core]:-}"
if [ -z "$spec" ]; then
module_skipped="$module_skipped $core"
continue
fi
inc="ports_module/$core/gnu/inc"
if [ ! -f "$inc/tx_port.h" ] || [ ! -f "$inc/txm_module_port.h" ]; then
module_skipped="$module_skipped $core(headers)"
continue
fi
# shellcheck disable=SC2086
set -- $spec
target="$1"; cpu="$2"; shift 2; extra="$*"
CC="$(cc_for "$target")"
# An SMP port's control blocks come from common_smp; pairing it with the
# single-core headers hides _tx_thread_smp_protect behind an implicit
# declaration instead of compiling the port that is actually shipped.
case "$core" in
*_smp) kernel_inc="common_smp/inc" ;;
*) kernel_inc="common/inc" ;;
esac
# The TrustZone ports carry cmse_nonsecure_entry, which needs -mcmse to
# be honoured rather than ignored.
port_extra=""
if [ -f "$inc/tx_secure_interface.h" ]; then
port_extra="-mcmse"
fi
count=0; bad=0
for src in common_modules/module_manager/src/*.c "$dir"/*.c; do
[ -f "$src" ] || continue
count=$((count + 1))
output="$("$CC" -mcpu="$cpu" $extra $port_extra \
-I"$inc" -I"$kernel_inc" -Icommon_modules/inc \
-Icommon_modules/module_manager/inc \
-c "$src" -o /dev/null 2>&1 | strip_pragma_messages)"
if [ -n "$output" ]; then
fail "$core: $src"
# Show the error lines when there are any, and otherwise
# whatever the compiler did say -- a FAIL with nothing under it
# sends the reader off to reproduce the command by hand.
if echo "$output" | grep -q "error:"; then
echo "$output" | grep "error:" | head -3 | sed 's/^/ /'
else
echo "$output" | head -3 | sed 's/^/ /'
fi
bad=$((bad + 1)); failures=$((failures + 1))
fi
done
say " $core: $((count - bad)) of $count compiled"
done
if [ -n "$module_skipped" ]; then
say " no target mapping, skipped:$module_skipped"
fi
fi
# --------------------------------------------------------------------------
if [ "$no_examples" -eq 0 ]; then
say ""
say "== Example builds, linked with GNU ld =="
example_ok=0
example_total=0
example_known=""
example_nodriver=""
example_nosample=""
for dir in ports/*/gnu/example_build ports_smp/*/gnu/example_build; do
[ -d "$dir" ] || continue
core="$(echo "$dir" | cut -d/ -f2)"
# Anything on the expected-to-fail list is reported before any other
# filter is applied, so a name placed there can never drop out of the
# output. arm9 and arm11 are the cases that matter: they are Arm ports
# with example drivers, but they carry no PORT_TARGET entry, so the
# Arm test below would discard them.
case " $EXAMPLES_EXPECTED_TO_FAIL " in
*" $core "*) example_known="$example_known $core"; continue ;;
esac
# Arm ports only, the same rule the assembly stage applies. Naming
# linux or mips32 as a gap here would be noise, not information.
[ -n "${PORT_TARGET[$core]:-}" ] || continue
# Covered by the CMake stage below rather than here.
case " $CMAKE_EXAMPLE_CORES " in
*" $core "*) continue ;;
esac
# A driverless example is not covered by this stage, so say so rather
# than dropping out in silence. A port that is simply absent from the
# count reads as covered.
if [ ! -f "$dir/build_threadx.sh" ]; then
example_nodriver="$example_nodriver $core"
continue
fi
if [ ! -f "$dir/build_threadx_sample.sh" ]; then
example_nosample="$example_nosample $core"
continue
fi
example_total=$((example_total + 1))
# Clean on both sides. A stale sample_threadx.out from a previous
# toolchain makes a failed link report success, because the success
# test below is the existence of the output file rather than the exit
# status of the driver.
rm -f "$dir"/*.o "$dir"/*.a "$dir"/*.out "$dir"/*.map 2>/dev/null || true
# TOOLCHAIN is *unset*, not set: the build scripts already default to
# GNU with `: "${TOOLCHAIN:=gnu}"`, and a stray TOOLCHAIN=atfe from a
# developer's shell or an earlier command would otherwise make this
# stage silently check the other compiler.
log="$(cd "$dir" && unset TOOLCHAIN && ./build_threadx.sh 2>&1 && \
./build_threadx_sample.sh 2>&1)" || true
if [ -f "$dir/sample_threadx.out" ]; then
example_ok=$((example_ok + 1))
else
fail "$core: example build produced no image"
# Not filtered on "error": a missing tool reports "command not
# found" or "Permission denied", and filtering hid exactly that.
echo "$log" | tail -6 | sed 's/^/ /'
failures=$((failures + 1))
fi
rm -f "$dir"/*.o "$dir"/*.a "$dir"/*.out "$dir"/*.map 2>/dev/null || true
done
say " $example_ok of $example_total example builds linked"
if [ -n "$example_known" ]; then
say " known not to link, see the list at the top of this script:$example_known"
fi
if [ -n "$example_nosample" ]; then
say " has build_threadx.sh but no build_threadx_sample.sh, so not linked:$example_nosample"
fi
if [ -n "$example_nodriver" ]; then
say " no script driver, so outside this stage:$example_nodriver"
fi
fi
# --------------------------------------------------------------------------
# The Cortex-R52 examples are built by CMake, so they need a toolchain file
# rather than the build_threadx.sh pair. Same compiler, same purpose as the
# stage above.
if [ "$no_examples" -eq 0 ]; then
say ""
say "== CMake example builds, linked with GNU ld =="
if ! command -v cmake >/dev/null 2>&1 || ! command -v ninja >/dev/null 2>&1; then
say " skipped: cmake and ninja are both required"
else
for core in $CMAKE_EXAMPLE_CORES; do
build_dir="$(mktemp -d)"
# ARM_TOOLCHAIN_PATH follows --arm-none-eabi, so this stage uses
# the same compiler as every other stage rather than the absolute
# path cmake/cortex_r52.cmake pins by default.
if cmake -S . -B "$build_dir" -G Ninja \
-DCMAKE_TOOLCHAIN_FILE="cmake/${core}.cmake" \
-DARM_TOOLCHAIN_PATH="$(dirname "$CC_ARM")" \
-DTX_R52_BUILD_FVP_EXAMPLE=ON \
-DTX_R52_ENABLE_MPU=ON >"$build_dir/configure.log" 2>&1; then
# Read the image list from the generated graph instead of
# repeating it here, so adding a target cannot silently escape
# this check. The images are EXCLUDE_FROM_ALL, so "ninja" alone
# would build none of them.
#
# The cmake_object_order_depends_target_* entries are CMake's
# own ordering phonies, one per real image and named after it.
# Counting those doubled the total and reported ten images built
# where there are five.
images="$(ninja -C "$build_dir" -t targets all 2>/dev/null \
| grep -oE '^[A-Za-z0-9_]+\.elf' \
| grep -v '^cmake_' | sort -u)"
if [ -z "$images" ]; then
fail "$core: no .elf targets found in the CMake graph"
failures=$((failures + 1))
else
built=0; total=0
for image in $images; do
total=$((total + 1))
if ninja -C "$build_dir" "$image" \
>"$build_dir/$image.log" 2>&1; then
built=$((built + 1))
else
fail "$core: $image did not build"
tail -6 "$build_dir/$image.log" | sed 's/^/ /'
failures=$((failures + 1))
fi
done
say " $core: $built of $total images linked"
fi
else
fail "$core: CMake configure failed"
tail -6 "$build_dir/configure.log" | sed 's/^/ /'
failures=$((failures + 1))
fi
rm -rf "$build_dir"
done
fi
fi
# --------------------------------------------------------------------------
# Option combinations the port refuses at configure time.
#
# ports/cortex_r52/gnu/CMakeLists.txt rejects two combinations outright rather
# than letting them reach the compiler. Both are cheap to get wrong in a way
# that is invisible: a typo in a variable name makes the condition constant,
# and a guard that never fires is indistinguishable from one that is never
# tripped. So these assert the exit status AND the text, because a guard that
# fires for the wrong reason would otherwise pass.
#
# No example flags are needed: the port CMakeLists is included by the toolchain
# file alone, so the guards are reached without configuring anything else. That
# keeps the stage to three configures, two of which stop almost immediately.
#
# The third is the positive counterpart, and it is not decoration: a guard that
# rejects everything would satisfy both negative cases on its own. Asserting
# that the supported combination still configures is what distinguishes a guard
# that works from one that is merely always on.
#
# This is the only negative check in the script. Everything else here asserts
# that something builds; this stage asserts that two things refuse to, and that
# a third still does not.
if [ "$asm_only" -eq 0 ]; then
say ""
say "== Option combinations the Cortex-R52 port must refuse =="
if ! command -v cmake >/dev/null 2>&1; then
say " skipped: cmake is required"
else
# name | expected text in the error | options
refuse_case() {
case_name="$1"; want="$2"; shift 2
build_dir="$(mktemp -d)"
if cmake -S . -B "$build_dir" -G Ninja \
-DCMAKE_TOOLCHAIN_FILE=cmake/cortex_r52.cmake \
-DARM_TOOLCHAIN_PATH="$(dirname "$CC_ARM")" \
"$@" >"$build_dir/configure.log" 2>&1; then
fail "$case_name: configure succeeded, but this combination cannot build"
failures=$((failures + 1))
elif ! grep -q "$want" "$build_dir/configure.log"; then
fail "$case_name: configure failed, but not on the expected guard"
fail " wanted text: $want"
tail -6 "$build_dir/configure.log" | sed 's/^/ /'
failures=$((failures + 1))
else
say " $case_name: refused"
fi
rm -rf "$build_dir"
}
refuse_case "VFP without a hard float ABI" \
"TX_R52_ENABLE_VFP requires TX_R52_FLOAT_ABI=hard" \
-DTX_R52_ENABLE_VFP=ON
refuse_case "FIQ nesting without FIQ" \
"TX_R52_ENABLE_FIQ_NESTING requires TX_R52_ENABLE_FIQ" \
-DTX_R52_ENABLE_FIQ_NESTING=ON
# The counterpart: the supported spelling of the first case must still
# configure, so a guard cannot pass this stage by rejecting everything.
build_dir="$(mktemp -d)"
if cmake -S . -B "$build_dir" -G Ninja \
-DCMAKE_TOOLCHAIN_FILE=cmake/cortex_r52.cmake \
-DARM_TOOLCHAIN_PATH="$(dirname "$CC_ARM")" \
-DTX_R52_ENABLE_VFP=ON -DTX_R52_FLOAT_ABI=hard \
-DTX_R52_ENABLE_FIQ=ON -DTX_R52_ENABLE_FIQ_NESTING=ON \
>"$build_dir/configure.log" 2>&1; then
say " the supported combination: accepted"
else
fail "the supported combination was refused"
tail -6 "$build_dir/configure.log" | sed 's/^/ /'
failures=$((failures + 1))
fi
rm -rf "$build_dir"
fi
fi
# --------------------------------------------------------------------------
say ""
if [ "$failures" -eq 0 ]; then
say "All GNU toolchain checks passed."
exit 0
fi
echo "$failures GNU toolchain check(s) failed."
exit 1
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