diff options
Diffstat (limited to 'scripts/atomic')
| -rwxr-xr-x | scripts/atomic/check-atomics.sh | 26 | ||||
| -rw-r--r-- | scripts/atomic/gen-atomics.sh | 20 |
2 files changed, 40 insertions, 6 deletions
diff --git a/scripts/atomic/check-atomics.sh b/scripts/atomic/check-atomics.sh index c30101cddf2d..cfa0c2f71c84 100755 --- a/scripts/atomic/check-atomics.sh +++ b/scripts/atomic/check-atomics.sh @@ -7,13 +7,27 @@ ATOMICDIR=$(dirname $0) ATOMICTBL=${ATOMICDIR}/atomics.tbl LINUXDIR=${ATOMICDIR}/../.. +echo '' | sha1sum - > /dev/null 2>&1 +if [ $? -ne 0 ]; then + printf "sha1sum not available, skipping atomic header checks.\n" + exit 0 +fi + cat <<EOF | -gen-atomic-instrumented.sh asm-generic/atomic-instrumented.h -gen-atomic-long.sh asm-generic/atomic-long.h -gen-atomic-fallback.sh linux/atomic-fallback.h +asm-generic/atomic-instrumented.h +asm-generic/atomic-long.h +linux/atomic-fallback.h EOF -while read script header; do - if ! (${ATOMICDIR}/${script} ${ATOMICTBL} | diff - ${LINUXDIR}/include/${header} > /dev/null); then - printf "warning: include/${header} is out-of-date.\n" +while read header; do + OLDSUM="$(tail -n 1 ${LINUXDIR}/include/${header})" + OLDSUM="${OLDSUM#// }" + + NEWSUM="$(head -n -1 ${LINUXDIR}/include/${header} | sha1sum)" + NEWSUM="${NEWSUM%% *}" + + if [ "${OLDSUM}" != "${NEWSUM}" ]; then + printf "warning: generated include/${header} has been modified.\n" fi done + +exit 0 diff --git a/scripts/atomic/gen-atomics.sh b/scripts/atomic/gen-atomics.sh new file mode 100644 index 000000000000..27400b0cd732 --- /dev/null +++ b/scripts/atomic/gen-atomics.sh @@ -0,0 +1,20 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# +# Generate atomic headers + +ATOMICDIR=$(dirname $0) +ATOMICTBL=${ATOMICDIR}/atomics.tbl +LINUXDIR=${ATOMICDIR}/../.. + +cat <<EOF | +gen-atomic-instrumented.sh asm-generic/atomic-instrumented.h +gen-atomic-long.sh asm-generic/atomic-long.h +gen-atomic-fallback.sh linux/atomic-fallback.h +EOF +while read script header; do + ${ATOMICDIR}/${script} ${ATOMICTBL} > ${LINUXDIR}/include/${header} + HASH="$(sha1sum ${LINUXDIR}/include/${header})" + HASH="${HASH%% *}" + printf "// %s\n" "${HASH}" >> ${LINUXDIR}/include/${header} +done |