While nolibc does support ARM Thumb instructions, that support was not tested specifically.

Add a new test configuration for it.

Signed-off-by: Thomas Weißschuh linux@weissschuh.net --- tools/testing/selftests/nolibc/Makefile | 6 ++++++ tools/testing/selftests/nolibc/run-tests.sh | 5 +++-- 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/nolibc/Makefile b/tools/testing/selftests/nolibc/Makefile index 1dd2841a5fe781254a7f4b7b1ade677bd4bc0691..58bcbbd029bc3ad9ccac968191b703ccf5df0717 100644 --- a/tools/testing/selftests/nolibc/Makefile +++ b/tools/testing/selftests/nolibc/Makefile @@ -47,6 +47,7 @@ XARCH_riscv = riscv64 XARCH = $(or $(XARCH_$(ARCH)),$(ARCH))

# map from user input variants to their kernel supported architectures +ARCH_armthumb = arm ARCH_ppc = powerpc ARCH_ppc64 = powerpc ARCH_ppc64le = powerpc @@ -63,6 +64,7 @@ IMAGE_x86_64 = arch/x86/boot/bzImage IMAGE_x86 = arch/x86/boot/bzImage IMAGE_arm64 = arch/arm64/boot/Image IMAGE_arm = arch/arm/boot/zImage +IMAGE_armthumb = arch/arm/boot/zImage IMAGE_mips32le = vmlinuz IMAGE_mips32be = vmlinuz IMAGE_ppc = vmlinux @@ -83,6 +85,7 @@ DEFCONFIG_x86_64 = defconfig DEFCONFIG_x86 = defconfig DEFCONFIG_arm64 = defconfig DEFCONFIG_arm = multi_v7_defconfig +DEFCONFIG_armthumb = multi_v7_defconfig DEFCONFIG_mips32le = malta_defconfig DEFCONFIG_mips32be = malta_defconfig generic/eb.config DEFCONFIG_ppc = pmac32_defconfig @@ -107,6 +110,7 @@ QEMU_ARCH_x86_64 = x86_64 QEMU_ARCH_x86 = x86_64 QEMU_ARCH_arm64 = aarch64 QEMU_ARCH_arm = arm +QEMU_ARCH_armthumb = arm QEMU_ARCH_mips32le = mipsel # works with malta_defconfig QEMU_ARCH_mips32be = mips QEMU_ARCH_ppc = ppc @@ -136,6 +140,7 @@ QEMU_ARGS_x86_64 = -M pc -append "console=ttyS0,9600 i8042.noaux panic=-1 $( QEMU_ARGS_x86 = -M pc -append "console=ttyS0,9600 i8042.noaux panic=-1 $(TEST:%=NOLIBC_TEST=%)" QEMU_ARGS_arm64 = -M virt -cpu cortex-a53 -append "panic=-1 $(TEST:%=NOLIBC_TEST=%)" QEMU_ARGS_arm = -M virt -append "panic=-1 $(TEST:%=NOLIBC_TEST=%)" +QEMU_ARGS_armthumb = -M virt -append "panic=-1 $(TEST:%=NOLIBC_TEST=%)" QEMU_ARGS_mips32le = -M malta -append "panic=-1 $(TEST:%=NOLIBC_TEST=%)" QEMU_ARGS_mips32be = -M malta -append "panic=-1 $(TEST:%=NOLIBC_TEST=%)" QEMU_ARGS_ppc = -M g3beige -append "console=ttyS0 panic=-1 $(TEST:%=NOLIBC_TEST=%)" @@ -161,6 +166,7 @@ endif

CFLAGS_i386 = $(call cc-option,-m32) CFLAGS_arm = -marm +CFLAGS_armthumb = -mthumb -march=armv6t2 CFLAGS_ppc = -m32 -mbig-endian -mno-vsx $(call cc-option,-mmultiple) CFLAGS_ppc64 = -m64 -mbig-endian -mno-vsx $(call cc-option,-mmultiple) CFLAGS_ppc64le = -m64 -mlittle-endian -mno-vsx $(call cc-option,-mabi=elfv2) diff --git a/tools/testing/selftests/nolibc/run-tests.sh b/tools/testing/selftests/nolibc/run-tests.sh index d716124f5e82b74deb48c9c2c3c699e4c076418c..0299a0912d4049dd12217f9835b81d231e1d2bfd 100755 --- a/tools/testing/selftests/nolibc/run-tests.sh +++ b/tools/testing/selftests/nolibc/run-tests.sh @@ -19,7 +19,7 @@ werror=1 llvm= all_archs=( i386 x86_64 - arm64 arm + arm64 arm armthumb mips32le mips32be ppc ppc64 ppc64le riscv32 riscv64 @@ -103,6 +103,7 @@ fi crosstool_arch() { case "$1" in arm64) echo aarch64;; + armthumb) echo arm;; ppc) echo powerpc;; ppc64) echo powerpc64;; ppc64le) echo powerpc64;; @@ -116,7 +117,7 @@ crosstool_arch() {

crosstool_abi() { case "$1" in - arm) echo linux-gnueabi;; + arm | armthumb) echo linux-gnueabi;; *) echo linux;; esac }