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Merge pull request #8298 from daverodgman/sha-armce-thumb2

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Support SHA256 acceleration on Armv8 thumb2 and arm
This commit is contained in:
Dave Rodgman
2023-10-24 21:23:15 +00:00
committed by GitHub
parent a675ef8537 514590210b
commit d69d3cda34
9 changed files with 258 additions and 80 deletions
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90
tests/scripts/all.sh
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@@ -2227,9 +2227,9 @@ component_build_module_alt () {
# The SpecifiedECDomain parsing code accesses mbedtls_ecp_group fields
# directly and assumes the implementation works with partial groups.
scripts/config.py unset MBEDTLS_PK_PARSE_EC_EXTENDED
# MBEDTLS_SHA256_*ALT can't be used with MBEDTLS_SHA256_USE_A64_CRYPTO_*
scripts/config.py unset MBEDTLS_SHA256_USE_A64_CRYPTO_IF_PRESENT
scripts/config.py unset MBEDTLS_SHA256_USE_A64_CRYPTO_ONLY
# MBEDTLS_SHA256_*ALT can't be used with MBEDTLS_SHA256_USE_ARMV8_A_CRYPTO_*
scripts/config.py unset MBEDTLS_SHA256_USE_ARMV8_A_CRYPTO_IF_PRESENT
scripts/config.py unset MBEDTLS_SHA256_USE_ARMV8_A_CRYPTO_ONLY
# MBEDTLS_SHA512_*ALT can't be used with MBEDTLS_SHA512_USE_A64_CRYPTO_*
scripts/config.py unset MBEDTLS_SHA512_USE_A64_CRYPTO_IF_PRESENT
scripts/config.py unset MBEDTLS_SHA512_USE_A64_CRYPTO_ONLY
@@ -3446,7 +3446,7 @@ config_psa_crypto_hash_use_psa () {
scripts/config.py unset MBEDTLS_SHA1_C
scripts/config.py unset MBEDTLS_SHA224_C
scripts/config.py unset MBEDTLS_SHA256_C # see external RNG below
scripts/config.py unset MBEDTLS_SHA256_USE_A64_CRYPTO_IF_PRESENT
scripts/config.py unset MBEDTLS_SHA256_USE_ARMV8_A_CRYPTO_IF_PRESENT
scripts/config.py unset MBEDTLS_SHA384_C
scripts/config.py unset MBEDTLS_SHA512_C
scripts/config.py unset MBEDTLS_SHA512_USE_A64_CRYPTO_IF_PRESENT
@@ -4377,7 +4377,7 @@ component_build_aes_aesce_armcc () {
# unavailable, and the user is notified via a #warning. So enabling
# this feature would prevent us from building with -Werror on
# armclang. Tracked in #7198.
scripts/config.py unset MBEDTLS_SHA256_USE_A64_CRYPTO_IF_PRESENT
scripts/config.py unset MBEDTLS_SHA256_USE_ARMV8_A_CRYPTO_IF_PRESENT
scripts/config.py set MBEDTLS_HAVE_ASM
msg "AESCE, build with default configuration."
@@ -4391,6 +4391,84 @@ component_build_aes_aesce_armcc () {
armc6_build_test "-O1 --target=aarch64-arm-none-eabi -march=armv8-a+crypto"
}
support_build_sha_armce() {
if command -v clang > /dev/null ; then
# clang >= 4 is required to build with SHA extensions
clang_ver="$(clang --version|grep version|sed -E 's#.*version ([0-9]+).*#\1#')"
[[ "${clang_ver}" -ge 4 ]]
else
# clang not available
false
fi
}
component_build_sha_armce () {
scripts/config.py unset MBEDTLS_SHA256_USE_ARMV8_A_CRYPTO_IF_PRESENT
# Test variations of SHA256 Armv8 crypto extensions
scripts/config.py set MBEDTLS_SHA256_USE_ARMV8_A_CRYPTO_ONLY
msg "MBEDTLS_SHA256_USE_ARMV8_A_CRYPTO_ONLY clang, aarch64"
make -B library/sha256.o CC=clang CFLAGS="--target=aarch64-linux-gnu -march=armv8-a"
msg "MBEDTLS_SHA256_USE_ARMV8_A_CRYPTO_ONLY clang, arm"
make -B library/sha256.o CC=clang CFLAGS="--target=arm-linux-gnueabihf -mcpu=cortex-a72+crypto -marm"
scripts/config.py unset MBEDTLS_SHA256_USE_ARMV8_A_CRYPTO_ONLY
# test the deprecated form of the config option
scripts/config.py set MBEDTLS_SHA256_USE_A64_CRYPTO_ONLY
msg "MBEDTLS_SHA256_USE_A64_CRYPTO_ONLY clang, thumb"
make -B library/sha256.o CC=clang CFLAGS="--target=arm-linux-gnueabihf -mcpu=cortex-a32+crypto -mthumb"
scripts/config.py unset MBEDTLS_SHA256_USE_A64_CRYPTO_ONLY
scripts/config.py set MBEDTLS_SHA256_USE_ARMV8_A_CRYPTO_IF_PRESENT
msg "MBEDTLS_SHA256_USE_ARMV8_A_CRYPTO_IF_PRESENT clang, aarch64"
make -B library/sha256.o CC=clang CFLAGS="--target=aarch64-linux-gnu -march=armv8-a"
scripts/config.py unset MBEDTLS_SHA256_USE_ARMV8_A_CRYPTO_IF_PRESENT
# test the deprecated form of the config option
scripts/config.py set MBEDTLS_SHA256_USE_A64_CRYPTO_IF_PRESENT
msg "MBEDTLS_SHA256_USE_A64_CRYPTO_IF_PRESENT clang, arm"
make -B library/sha256.o CC=clang CFLAGS="--target=arm-linux-gnueabihf -mcpu=cortex-a72+crypto -marm -std=c99"
msg "MBEDTLS_SHA256_USE_A64_CRYPTO_IF_PRESENT clang, thumb"
make -B library/sha256.o CC=clang CFLAGS="--target=arm-linux-gnueabihf -mcpu=cortex-a32+crypto -mthumb"
scripts/config.py unset MBEDTLS_SHA256_USE_A64_CRYPTO_IF_PRESENT
# examine the disassembly for presence of SHA instructions
for opt in MBEDTLS_SHA256_USE_ARMV8_A_CRYPTO_ONLY MBEDTLS_SHA256_USE_ARMV8_A_CRYPTO_IF_PRESENT; do
scripts/config.py set ${opt}
msg "${opt} clang, test A32 crypto instructions built"
make -B library/sha256.o CC=clang CFLAGS="--target=arm-linux-gnueabihf -mcpu=cortex-a72+crypto -marm -S"
grep -E 'sha256[a-z0-9]+.32\s+[qv]' library/sha256.o
msg "${opt} clang, test T32 crypto instructions built"
make -B library/sha256.o CC=clang CFLAGS="--target=arm-linux-gnueabihf -mcpu=cortex-a32+crypto -mthumb -S"
grep -E 'sha256[a-z0-9]+.32\s+[qv]' library/sha256.o
msg "${opt} clang, test aarch64 crypto instructions built"
make -B library/sha256.o CC=clang CFLAGS="--target=aarch64-linux-gnu -march=armv8-a -S"
grep -E 'sha256[a-z0-9]+\s+[qv]' library/sha256.o
scripts/config.py unset ${opt}
done
# examine the disassembly for absence of SHA instructions
msg "clang, test A32 crypto instructions not built"
make -B library/sha256.o CC=clang CFLAGS="--target=arm-linux-gnueabihf -mcpu=cortex-a72+crypto -marm -S"
not grep -E 'sha256[a-z0-9]+.32\s+[qv]' library/sha256.o
msg "clang, test T32 crypto instructions not built"
make -B library/sha256.o CC=clang CFLAGS="--target=arm-linux-gnueabihf -mcpu=cortex-a32+crypto -mthumb -S"
not grep -E 'sha256[a-z0-9]+.32\s+[qv]' library/sha256.o
msg "clang, test aarch64 crypto instructions not built"
make -B library/sha256.o CC=clang CFLAGS="--target=aarch64-linux-gnu -march=armv8-a -S"
not grep -E 'sha256[a-z0-9]+\s+[qv]' library/sha256.o
}
# For timebeing, no VIA Padlock platform available.
component_build_aes_via_padlock () {
@@ -4940,7 +5018,7 @@ component_build_armcc () {
# unavailable, and the user is notified via a #warning. So enabling
# this feature would prevent us from building with -Werror on
# armclang. Tracked in #7198.
scripts/config.py unset MBEDTLS_SHA256_USE_A64_CRYPTO_IF_PRESENT
scripts/config.py unset MBEDTLS_SHA256_USE_ARMV8_A_CRYPTO_IF_PRESENT
scripts/config.py set MBEDTLS_HAVE_ASM