diff --git a/tests/scripts/components-platform.sh b/tests/scripts/components-platform.sh
index e9a2b96..a97ee57 100644
--- a/tests/scripts/components-platform.sh
+++ b/tests/scripts/components-platform.sh
@@ -119,3 +119,166 @@
     make CFLAGS="'-DMBEDTLS_USER_CONFIG_FILE=\"../tests/configs/user-config-zeroize-memset.h\"' -DMBEDTLS_TEST_DEFINES_ZEROIZE -Werror -Wsizeof-pointer-memaccess"
 }
 
+component_build_arm_none_eabi_gcc () {
+    msg "build: ${ARM_NONE_EABI_GCC_PREFIX}gcc -O1, baremetal+debug" # ~ 10s
+    scripts/config.py baremetal
+    make CC="${ARM_NONE_EABI_GCC_PREFIX}gcc" AR="${ARM_NONE_EABI_GCC_PREFIX}ar" LD="${ARM_NONE_EABI_GCC_PREFIX}ld" CFLAGS='-std=c99 -Werror -Wall -Wextra -O1' lib
+
+    msg "size: ${ARM_NONE_EABI_GCC_PREFIX}gcc -O1, baremetal+debug"
+    ${ARM_NONE_EABI_GCC_PREFIX}size -t library/*.o
+    ${ARM_NONE_EABI_GCC_PREFIX}size -t ${PSA_CORE_PATH}/*.o
+    ${ARM_NONE_EABI_GCC_PREFIX}size -t ${BUILTIN_SRC_PATH}/*.o
+}
+
+component_build_arm_linux_gnueabi_gcc_arm5vte () {
+    msg "build: ${ARM_LINUX_GNUEABI_GCC_PREFIX}gcc -march=arm5vte, baremetal+debug" # ~ 10s
+    scripts/config.py baremetal
+    # Build for a target platform that's close to what Debian uses
+    # for its "armel" distribution (https://wiki.debian.org/ArmEabiPort).
+    # See https://github.com/Mbed-TLS/mbedtls/pull/2169 and comments.
+    # Build everything including programs, see for example
+    # https://github.com/Mbed-TLS/mbedtls/pull/3449#issuecomment-675313720
+    make CC="${ARM_LINUX_GNUEABI_GCC_PREFIX}gcc" AR="${ARM_LINUX_GNUEABI_GCC_PREFIX}ar" CFLAGS='-Werror -Wall -Wextra -march=armv5te -O1' LDFLAGS='-march=armv5te'
+
+    msg "size: ${ARM_LINUX_GNUEABI_GCC_PREFIX}gcc -march=armv5te -O1, baremetal+debug"
+    ${ARM_LINUX_GNUEABI_GCC_PREFIX}size -t library/*.o
+    ${ARM_LINUX_GNUEABI_GCC_PREFIX}size -t ${PSA_CORE_PATH}/*.o
+    ${ARM_LINUX_GNUEABI_GCC_PREFIX}size -t ${BUILTIN_SRC_PATH}/*.o
+}
+
+support_build_arm_linux_gnueabi_gcc_arm5vte () {
+    type ${ARM_LINUX_GNUEABI_GCC_PREFIX}gcc >/dev/null 2>&1
+}
+
+component_build_arm_none_eabi_gcc_arm5vte () {
+    msg "build: ${ARM_NONE_EABI_GCC_PREFIX}gcc -march=arm5vte, baremetal+debug" # ~ 10s
+    scripts/config.py baremetal
+    # This is an imperfect substitute for
+    # component_build_arm_linux_gnueabi_gcc_arm5vte
+    # in case the gcc-arm-linux-gnueabi toolchain is not available
+    make CC="${ARM_NONE_EABI_GCC_PREFIX}gcc" AR="${ARM_NONE_EABI_GCC_PREFIX}ar" CFLAGS='-std=c99 -Werror -Wall -Wextra -march=armv5te -O1' LDFLAGS='-march=armv5te' SHELL='sh -x' lib
+
+    msg "size: ${ARM_NONE_EABI_GCC_PREFIX}gcc -march=armv5te -O1, baremetal+debug"
+    ${ARM_NONE_EABI_GCC_PREFIX}size -t library/*.o
+    ${ARM_NONE_EABI_GCC_PREFIX}size -t ${PSA_CORE_PATH}/*.o
+    ${ARM_NONE_EABI_GCC_PREFIX}size -t ${BUILTIN_SRC_PATH}/*.o
+}
+
+component_build_arm_none_eabi_gcc_m0plus () {
+    msg "build: ${ARM_NONE_EABI_GCC_PREFIX}gcc -mthumb -mcpu=cortex-m0plus, baremetal_size" # ~ 10s
+    scripts/config.py baremetal_size
+    make CC="${ARM_NONE_EABI_GCC_PREFIX}gcc" AR="${ARM_NONE_EABI_GCC_PREFIX}ar" LD="${ARM_NONE_EABI_GCC_PREFIX}ld" CFLAGS='-std=c99 -Werror -Wall -Wextra -mthumb -mcpu=cortex-m0plus -Os' lib
+
+    msg "size: ${ARM_NONE_EABI_GCC_PREFIX}gcc -mthumb -mcpu=cortex-m0plus -Os, baremetal_size"
+    ${ARM_NONE_EABI_GCC_PREFIX}size -t library/*.o
+    ${ARM_NONE_EABI_GCC_PREFIX}size -t ${PSA_CORE_PATH}/*.o
+    ${ARM_NONE_EABI_GCC_PREFIX}size -t ${BUILTIN_SRC_PATH}/*.o
+    for lib in library/*.a; do
+        echo "$lib:"
+        ${ARM_NONE_EABI_GCC_PREFIX}size -t $lib | grep TOTALS
+    done
+}
+
+component_build_arm_none_eabi_gcc_no_udbl_division () {
+    msg "build: ${ARM_NONE_EABI_GCC_PREFIX}gcc -DMBEDTLS_NO_UDBL_DIVISION, make" # ~ 10s
+    scripts/config.py baremetal
+    scripts/config.py set MBEDTLS_NO_UDBL_DIVISION
+    make CC="${ARM_NONE_EABI_GCC_PREFIX}gcc" AR="${ARM_NONE_EABI_GCC_PREFIX}ar" LD="${ARM_NONE_EABI_GCC_PREFIX}ld" CFLAGS='-std=c99 -Werror -Wall -Wextra' lib
+    echo "Checking that software 64-bit division is not required"
+    not grep __aeabi_uldiv library/*.o
+    not grep __aeabi_uldiv ${PSA_CORE_PATH}/*.o
+    not grep __aeabi_uldiv ${BUILTIN_SRC_PATH}/*.o
+}
+
+component_build_arm_none_eabi_gcc_no_64bit_multiplication () {
+    msg "build: ${ARM_NONE_EABI_GCC_PREFIX}gcc MBEDTLS_NO_64BIT_MULTIPLICATION, make" # ~ 10s
+    scripts/config.py baremetal
+    scripts/config.py set MBEDTLS_NO_64BIT_MULTIPLICATION
+    make CC="${ARM_NONE_EABI_GCC_PREFIX}gcc" AR="${ARM_NONE_EABI_GCC_PREFIX}ar" LD="${ARM_NONE_EABI_GCC_PREFIX}ld" CFLAGS='-std=c99 -Werror -O1 -march=armv6-m -mthumb' lib
+    echo "Checking that software 64-bit multiplication is not required"
+    not grep __aeabi_lmul library/*.o
+    not grep __aeabi_lmul ${PSA_CORE_PATH}/*.o
+    not grep __aeabi_lmul ${BUILTIN_SRC_PATH}/*.o
+}
+
+component_build_arm_clang_thumb () {
+    # ~ 30s
+
+    scripts/config.py baremetal
+
+    msg "build: clang thumb 2, make"
+    make clean
+    make CC="clang" CFLAGS='-std=c99 -Werror -Os --target=arm-linux-gnueabihf -march=armv7-m -mthumb' lib
+
+    # Some Thumb 1 asm is sensitive to optimisation level, so test both -O0 and -Os
+    msg "build: clang thumb 1 -O0, make"
+    make clean
+    make CC="clang" CFLAGS='-std=c99 -Werror -O0 --target=arm-linux-gnueabihf -mcpu=arm1136j-s -mthumb' lib
+
+    msg "build: clang thumb 1 -Os, make"
+    make clean
+    make CC="clang" CFLAGS='-std=c99 -Werror -Os --target=arm-linux-gnueabihf -mcpu=arm1136j-s -mthumb' lib
+}
+
+component_build_armcc () {
+    msg "build: ARM Compiler 5"
+    scripts/config.py baremetal
+    # armc[56] don't support SHA-512 intrinsics
+    scripts/config.py unset MBEDTLS_SHA512_USE_A64_CRYPTO_IF_PRESENT
+
+    # older versions of armcc/armclang don't support AESCE_C on 32-bit Arm
+    scripts/config.py unset MBEDTLS_AESCE_C
+
+    # Stop armclang warning about feature detection for A64_CRYPTO.
+    # With this enabled, the library does build correctly under armclang,
+    # but in baremetal builds (as tested here), feature detection is
+    # unavailable, and the user is notified via a #warning. So enabling
+    # this feature would prevent us from building with -Werror on
+    # armclang. Tracked in #7198.
+    scripts/config.py unset MBEDTLS_SHA256_USE_ARMV8_A_CRYPTO_IF_PRESENT
+
+    scripts/config.py set MBEDTLS_HAVE_ASM
+
+    make CC="$ARMC5_CC" AR="$ARMC5_AR" WARNING_CFLAGS='--strict --c99' lib
+
+    msg "size: ARM Compiler 5"
+    "$ARMC5_FROMELF" -z library/*.o
+    "$ARMC5_FROMELF" -z ${PSA_CORE_PATH}/*.o
+    "$ARMC5_FROMELF" -z ${BUILTIN_SRC_PATH}/*.o
+
+    # Compile mostly with -O1 since some Arm inline assembly is disabled for -O0.
+
+    # ARM Compiler 6 - Target ARMv7-A
+    armc6_build_test "-O1 --target=arm-arm-none-eabi -march=armv7-a"
+
+    # ARM Compiler 6 - Target ARMv7-M
+    armc6_build_test "-O1 --target=arm-arm-none-eabi -march=armv7-m"
+
+    # ARM Compiler 6 - Target ARMv7-M+DSP
+    armc6_build_test "-O1 --target=arm-arm-none-eabi -march=armv7-m+dsp"
+
+    # ARM Compiler 6 - Target ARMv8-A - AArch32
+    armc6_build_test "-O1 --target=arm-arm-none-eabi -march=armv8.2-a"
+
+    # ARM Compiler 6 - Target ARMv8-M
+    armc6_build_test "-O1 --target=arm-arm-none-eabi -march=armv8-m.main"
+
+    # ARM Compiler 6 - Target Cortex-M0 - no optimisation
+    armc6_build_test "-O0 --target=arm-arm-none-eabi -mcpu=cortex-m0"
+
+    # ARM Compiler 6 - Target Cortex-M0
+    armc6_build_test "-Os --target=arm-arm-none-eabi -mcpu=cortex-m0"
+
+    # ARM Compiler 6 - Target ARMv8.2-A - AArch64
+    #
+    # Re-enable MBEDTLS_AESCE_C as this should be supported by the version of armclang
+    # that we have in our CI
+    scripts/config.py set MBEDTLS_AESCE_C
+    armc6_build_test "-O1 --target=aarch64-arm-none-eabi -march=armv8.2-a+crypto"
+}
+
+support_build_armcc () {
+    armc5_cc="$ARMC5_BIN_DIR/armcc"
+    armc6_cc="$ARMC6_BIN_DIR/armclang"
+    (check_tools "$armc5_cc" "$armc6_cc" > /dev/null 2>&1)
+}
\ No newline at end of file