selftests/nolibc: add configurations for riscv32

nolibc already supports riscv32. Wire it up in the testsuite.

Link: https://lore.kernel.org/r/20241221-nolibc-rv32-v1-6-d9ef6dab7c63@weissschuh.net
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>

tools/testing/selftests/nolibc/Makefile

@@ -52,6 +52,7 @@ ARCH_ppc64       = powerpc
 ARCH_ppc64le     = powerpc
 ARCH_mips32le    = mips
 ARCH_mips32be    = mips
+ARCH_riscv32     = riscv
 ARCH_riscv64     = riscv
 ARCH            := $(or $(ARCH_$(XARCH)),$(XARCH))
 
@@ -67,6 +68,7 @@ IMAGE_ppc        = vmlinux
 IMAGE_ppc64      = vmlinux
 IMAGE_ppc64le    = arch/powerpc/boot/zImage
 IMAGE_riscv      = arch/riscv/boot/Image
+IMAGE_riscv32    = arch/riscv/boot/Image
 IMAGE_riscv64    = arch/riscv/boot/Image
 IMAGE_s390       = arch/s390/boot/bzImage
 IMAGE_loongarch  = arch/loongarch/boot/vmlinuz.efi
@@ -85,6 +87,7 @@ DEFCONFIG_ppc        = pmac32_defconfig
 DEFCONFIG_ppc64      = powernv_be_defconfig
 DEFCONFIG_ppc64le    = powernv_defconfig
 DEFCONFIG_riscv      = defconfig
+DEFCONFIG_riscv32    = rv32_defconfig
 DEFCONFIG_riscv64    = defconfig
 DEFCONFIG_s390       = defconfig
 DEFCONFIG_loongarch  = defconfig
@@ -108,6 +111,7 @@ QEMU_ARCH_ppc        = ppc
 QEMU_ARCH_ppc64      = ppc64
 QEMU_ARCH_ppc64le    = ppc64
 QEMU_ARCH_riscv      = riscv64
+QEMU_ARCH_riscv32    = riscv32
 QEMU_ARCH_riscv64    = riscv64
 QEMU_ARCH_s390       = s390x
 QEMU_ARCH_loongarch  = loongarch64
@@ -135,6 +139,7 @@ QEMU_ARGS_ppc        = -M g3beige -append "console=ttyS0 panic=-1 $(TEST:%=NOLIB
 QEMU_ARGS_ppc64      = -M powernv -append "console=hvc0 panic=-1 $(TEST:%=NOLIBC_TEST=%)"
 QEMU_ARGS_ppc64le    = -M powernv -append "console=hvc0 panic=-1 $(TEST:%=NOLIBC_TEST=%)"
 QEMU_ARGS_riscv      = -M virt -append "console=ttyS0 panic=-1 $(TEST:%=NOLIBC_TEST=%)"
+QEMU_ARGS_riscv32    = -M virt -append "console=ttyS0 panic=-1 $(TEST:%=NOLIBC_TEST=%)"
 QEMU_ARGS_riscv64    = -M virt -append "console=ttyS0 panic=-1 $(TEST:%=NOLIBC_TEST=%)"
 QEMU_ARGS_s390       = -M s390-ccw-virtio -append "console=ttyS0 panic=-1 $(TEST:%=NOLIBC_TEST=%)"
 QEMU_ARGS_loongarch  = -M virt -append "console=ttyS0,115200 panic=-1 $(TEST:%=NOLIBC_TEST=%)"

tools/testing/selftests/nolibc/run-tests.sh

@@ -17,7 +17,7 @@ perform_download=0
 test_mode=system
 werror=1
 llvm=
-archs="i386 x86_64 arm64 arm mips32le mips32be ppc ppc64 ppc64le riscv64 s390 loongarch"
+archs="i386 x86_64 arm64 arm mips32le mips32be ppc ppc64 ppc64le riscv32 riscv64 s390 loongarch"
 
 TEMP=$(getopt -o 'j:d:c:b:a:m:pelh' -n "$0" -- "$@")