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Diffstat (limited to 'tools/testing/selftests/nolibc/Makefile')
-rw-r--r--tools/testing/selftests/nolibc/Makefile343
1 files changed, 14 insertions, 329 deletions
diff --git a/tools/testing/selftests/nolibc/Makefile b/tools/testing/selftests/nolibc/Makefile
index 94176ffe4646..40f5c2908dda 100644
--- a/tools/testing/selftests/nolibc/Makefile
+++ b/tools/testing/selftests/nolibc/Makefile
@@ -1,341 +1,26 @@
# SPDX-License-Identifier: GPL-2.0
-# Makefile for nolibc tests
-# we're in ".../tools/testing/selftests/nolibc"
-ifeq ($(srctree),)
-srctree := $(patsubst %/tools/testing/selftests/,%,$(dir $(CURDIR)))
-endif
-
-include $(srctree)/tools/scripts/utilities.mak
-# We need this for the "__cc-option" macro.
-include $(srctree)/scripts/Makefile.compiler
-
-ifneq ($(O),)
-ifneq ($(call is-absolute,$(O)),y)
-$(error Only absolute O= parameters are supported)
-endif
-objtree := $(O)
-else
-objtree ?= $(srctree)
-endif
-
-ifeq ($(ARCH),)
-include $(srctree)/scripts/subarch.include
-ARCH = $(SUBARCH)
-endif
-
-cc-option = $(call __cc-option, $(CC),$(CLANG_CROSS_FLAGS),$(1),$(2))
-
-# XARCH extends the kernel's ARCH with a few variants of the same
-# architecture that only differ by the configuration, the toolchain
-# and the Qemu program used. It is copied as-is into ARCH except for
-# a few specific values which are mapped like this:
-#
-# XARCH | ARCH | config
-# -------------|-----------|-------------------------
-# ppc | powerpc | 32 bits
-# ppc64 | powerpc | 64 bits big endian
-# ppc64le | powerpc | 64 bits little endian
-#
-# It is recommended to only use XARCH, though it does not harm if
-# ARCH is already set. For simplicity, ARCH is sufficient for all
-# architectures where both are equal.
-
-# configure default variants for target kernel supported architectures
-XARCH_powerpc = ppc
-XARCH_mips = mips32le
-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
-ARCH_mips32le = mips
-ARCH_mips32be = mips
-ARCH_riscv32 = riscv
-ARCH_riscv64 = riscv
-ARCH_s390x = s390
-ARCH_sparc32 = sparc
-ARCH_sparc64 = sparc
-ARCH := $(or $(ARCH_$(XARCH)),$(XARCH))
-# kernel image names by architecture
-IMAGE_i386 = arch/x86/boot/bzImage
-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
-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_s390x = arch/s390/boot/bzImage
-IMAGE_s390 = arch/s390/boot/bzImage
-IMAGE_loongarch = arch/loongarch/boot/vmlinuz.efi
-IMAGE_sparc32 = arch/sparc/boot/image
-IMAGE_sparc64 = arch/sparc/boot/image
-IMAGE_m68k = vmlinux
-IMAGE = $(objtree)/$(IMAGE_$(XARCH))
-IMAGE_NAME = $(notdir $(IMAGE))
+TEST_GEN_PROGS := nolibc-test
-# default kernel configurations that appear to be usable
-DEFCONFIG_i386 = defconfig
-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
-DEFCONFIG_ppc64 = powernv_be_defconfig
-DEFCONFIG_ppc64le = powernv_defconfig
-DEFCONFIG_riscv = defconfig
-DEFCONFIG_riscv32 = rv32_defconfig
-DEFCONFIG_riscv64 = defconfig
-DEFCONFIG_s390x = defconfig
-DEFCONFIG_s390 = defconfig compat.config
-DEFCONFIG_loongarch = defconfig
-DEFCONFIG_sparc32 = sparc32_defconfig
-DEFCONFIG_sparc64 = sparc64_defconfig
-DEFCONFIG_m68k = virt_defconfig
-DEFCONFIG = $(DEFCONFIG_$(XARCH))
+include ../lib.mk
+include $(top_srcdir)/scripts/Makefile.compiler
-EXTRACONFIG_m68k = -e CONFIG_BLK_DEV_INITRD
-EXTRACONFIG = $(EXTRACONFIG_$(XARCH))
-EXTRACONFIG_arm = -e CONFIG_NAMESPACES
-EXTRACONFIG_armthumb = -e CONFIG_NAMESPACES
-
-# optional tests to run (default = all)
-TEST =
-
-# QEMU_ARCH: arch names used by qemu
-QEMU_ARCH_i386 = i386
-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
-QEMU_ARCH_ppc64 = ppc64
-QEMU_ARCH_ppc64le = ppc64
-QEMU_ARCH_riscv = riscv64
-QEMU_ARCH_riscv32 = riscv32
-QEMU_ARCH_riscv64 = riscv64
-QEMU_ARCH_s390x = s390x
-QEMU_ARCH_s390 = s390x
-QEMU_ARCH_loongarch = loongarch64
-QEMU_ARCH_sparc32 = sparc
-QEMU_ARCH_sparc64 = sparc64
-QEMU_ARCH_m68k = m68k
-QEMU_ARCH = $(QEMU_ARCH_$(XARCH))
-
-QEMU_ARCH_USER_ppc64le = ppc64le
-QEMU_ARCH_USER = $(or $(QEMU_ARCH_USER_$(XARCH)),$(QEMU_ARCH_$(XARCH)))
-
-QEMU_BIOS_DIR = /usr/share/edk2/
-QEMU_BIOS_loongarch = $(QEMU_BIOS_DIR)/loongarch64/OVMF_CODE.fd
-
-ifneq ($(QEMU_BIOS_$(XARCH)),)
-QEMU_ARGS_BIOS = -bios $(QEMU_BIOS_$(XARCH))
-endif
-
-# QEMU_ARGS : some arch-specific args to pass to qemu
-QEMU_ARGS_i386 = -M pc -append "console=ttyS0,9600 i8042.noaux panic=-1 $(TEST:%=NOLIBC_TEST=%)"
-QEMU_ARGS_x86_64 = -M pc -append "console=ttyS0,9600 i8042.noaux panic=-1 $(TEST:%=NOLIBC_TEST=%)"
-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=%)"
-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_s390x = -M s390-ccw-virtio -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=%)"
-QEMU_ARGS_sparc32 = -M SS-5 -m 256M -append "console=ttyS0,115200 panic=-1 $(TEST:%=NOLIBC_TEST=%)"
-QEMU_ARGS_sparc64 = -M sun4u -append "console=ttyS0,115200 panic=-1 $(TEST:%=NOLIBC_TEST=%)"
-QEMU_ARGS_m68k = -M virt -append "console=ttyGF0,115200 panic=-1 $(TEST:%=NOLIBC_TEST=%)"
-QEMU_ARGS = -m 1G $(QEMU_ARGS_$(XARCH)) $(QEMU_ARGS_BIOS) $(QEMU_ARGS_EXTRA)
-
-# OUTPUT is only set when run from the main makefile, otherwise
-# it defaults to this nolibc directory.
-OUTPUT ?= $(CURDIR)/
-
-ifeq ($(V),1)
-Q=
-else
-Q=@
-endif
+cc-option = $(call __cc-option, $(CC),,$(1),$(2))
-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)
-CFLAGS_s390x = -m64
-CFLAGS_s390 = -m31
-CFLAGS_mips32le = -EL -mabi=32 -fPIC
-CFLAGS_mips32be = -EB -mabi=32
-CFLAGS_sparc32 = $(call cc-option,-m32)
-ifeq ($(origin XARCH),command line)
-CFLAGS_XARCH = $(CFLAGS_$(XARCH))
-endif
-CFLAGS_STACKPROTECTOR ?= $(call cc-option,-mstack-protector-guard=global $(call cc-option,-fstack-protector-all))
-CFLAGS_SANITIZER ?= $(call cc-option,-fsanitize=undefined -fsanitize-trap=all)
-CFLAGS ?= -Os -fno-ident -fno-asynchronous-unwind-tables -std=c89 -W -Wall -Wextra \
- $(call cc-option,-fno-stack-protector) $(call cc-option,-Wmissing-prototypes) \
- $(CFLAGS_XARCH) $(CFLAGS_STACKPROTECTOR) $(CFLAGS_SANITIZER) $(CFLAGS_EXTRA)
-LDFLAGS :=
+include Makefile.include
-LIBGCC := -lgcc
+CFLAGS = -nostdlib -nostdinc -static \
+ -isystem $(top_srcdir)/tools/include/nolibc -isystem $(top_srcdir)/usr/include \
+ $(CFLAGS_NOLIBC_TEST)
-ifneq ($(LLVM),)
-# Not needed for clang
-LIBGCC :=
+ifeq ($(LLVM),)
+LDLIBS := -lgcc
endif
-# Modify CFLAGS based on LLVM=
-include $(srctree)/tools/scripts/Makefile.include
-
-# GCC uses "s390", clang "systemz"
-CLANG_CROSS_FLAGS := $(subst --target=s390-linux,--target=systemz-linux,$(CLANG_CROSS_FLAGS))
-
-REPORT ?= awk '/\[OK\][\r]*$$/{p++} /\[FAIL\][\r]*$$/{if (!f) printf("\n"); f++; print;} /\[SKIPPED\][\r]*$$/{s++} \
- END{ printf("\n%3d test(s): %3d passed, %3d skipped, %3d failed => status: ", p+s+f, p, s, f); \
- if (f || !p) printf("failure\n"); else if (s) printf("warning\n"); else printf("success\n");; \
- printf("\nSee all results in %s\n", ARGV[1]); }'
+$(OUTPUT)/nolibc-test: nolibc-test.c nolibc-test-linkage.c | headers
help:
- @echo "Supported targets under selftests/nolibc:"
- @echo " all call the \"run\" target below"
- @echo " help this help"
- @echo " sysroot create the nolibc sysroot here (uses \$$ARCH)"
- @echo " nolibc-test build the executable (uses \$$CC and \$$CROSS_COMPILE)"
- @echo " libc-test build an executable using the compiler's default libc instead"
- @echo " run-user runs the executable under QEMU (uses \$$XARCH, \$$TEST)"
- @echo " initramfs.cpio prepare the initramfs archive with nolibc-test"
- @echo " initramfs prepare the initramfs tree with nolibc-test"
- @echo " defconfig create a fresh new default config (uses \$$XARCH)"
- @echo " kernel (re)build the kernel (uses \$$XARCH)"
- @echo " kernel-standalone (re)build the kernel with the initramfs (uses \$$XARCH)"
- @echo " run runs the kernel in QEMU after building it (uses \$$XARCH, \$$TEST)"
- @echo " rerun runs a previously prebuilt kernel in QEMU (uses \$$XARCH, \$$TEST)"
- @echo " clean clean the sysroot, initramfs, build and output files"
- @echo ""
- @echo "The output file is \"run.out\". Test ranges may be passed using \$$TEST."
- @echo ""
- @echo "Currently using the following variables:"
- @echo " ARCH = $(ARCH)"
- @echo " XARCH = $(XARCH)"
- @echo " CROSS_COMPILE = $(CROSS_COMPILE)"
- @echo " CC = $(CC)"
- @echo " OUTPUT = $(OUTPUT)"
- @echo " TEST = $(TEST)"
- @echo " QEMU_ARCH = $(if $(QEMU_ARCH),$(QEMU_ARCH),UNKNOWN_ARCH) [determined from \$$XARCH]"
- @echo " IMAGE_NAME = $(if $(IMAGE_NAME),$(IMAGE_NAME),UNKNOWN_ARCH) [determined from \$$XARCH]"
- @echo ""
-
-all: run
-
-sysroot: sysroot/$(ARCH)/include
-
-sysroot/$(ARCH)/include:
- $(Q)rm -rf sysroot/$(ARCH) sysroot/sysroot
- $(QUIET_MKDIR)mkdir -p sysroot
- $(Q)$(MAKE) -C $(srctree) outputmakefile
- $(Q)$(MAKE) -C $(srctree)/tools/include/nolibc ARCH=$(ARCH) OUTPUT=$(CURDIR)/sysroot/ headers_standalone headers_check
- $(Q)mv sysroot/sysroot sysroot/$(ARCH)
-
-ifneq ($(NOLIBC_SYSROOT),0)
-nolibc-test: nolibc-test.c nolibc-test-linkage.c sysroot/$(ARCH)/include
- $(QUIET_CC)$(CC) $(CFLAGS) $(LDFLAGS) -o $@ \
- -nostdlib -nostdinc -static -Isysroot/$(ARCH)/include nolibc-test.c nolibc-test-linkage.c $(LIBGCC)
-else
-nolibc-test: nolibc-test.c nolibc-test-linkage.c
- $(QUIET_CC)$(CC) $(CFLAGS) $(LDFLAGS) -o $@ \
- -nostdlib -static -include $(srctree)/tools/include/nolibc/nolibc.h nolibc-test.c nolibc-test-linkage.c $(LIBGCC)
-endif
-
-libc-test: nolibc-test.c nolibc-test-linkage.c
- $(QUIET_CC)$(HOSTCC) -o $@ nolibc-test.c nolibc-test-linkage.c
-
-# local libc-test
-run-libc-test: libc-test
- $(Q)./libc-test > "$(CURDIR)/run.out" || :
- $(Q)$(REPORT) $(CURDIR)/run.out
-
-# local nolibc-test
-run-nolibc-test: nolibc-test
- $(Q)./nolibc-test > "$(CURDIR)/run.out" || :
- $(Q)$(REPORT) $(CURDIR)/run.out
-
-# qemu user-land test
-run-user: nolibc-test
- $(Q)qemu-$(QEMU_ARCH_USER) ./nolibc-test > "$(CURDIR)/run.out" || :
- $(Q)$(REPORT) $(CURDIR)/run.out
-
-initramfs.cpio: kernel nolibc-test
- $(QUIET_GEN)echo 'file /init nolibc-test 755 0 0' | $(objtree)/usr/gen_init_cpio - > initramfs.cpio
-
-initramfs: nolibc-test
- $(QUIET_MKDIR)mkdir -p initramfs
- $(call QUIET_INSTALL, initramfs/init)
- $(Q)cp nolibc-test initramfs/init
-
-defconfig:
- $(Q)$(MAKE) -C $(srctree) ARCH=$(ARCH) CC=$(CC) CROSS_COMPILE=$(CROSS_COMPILE) $(DEFCONFIG)
- $(Q)if [ -n "$(EXTRACONFIG)" ]; then \
- $(srctree)/scripts/config --file $(objtree)/.config $(EXTRACONFIG); \
- $(MAKE) -C $(srctree) ARCH=$(ARCH) CC=$(CC) CROSS_COMPILE=$(CROSS_COMPILE) olddefconfig < /dev/null; \
- fi
-
-kernel: | defconfig
- $(Q)$(MAKE) -C $(srctree) ARCH=$(ARCH) CC=$(CC) CROSS_COMPILE=$(CROSS_COMPILE) $(IMAGE_NAME) < /dev/null
-
-kernel-standalone: initramfs | defconfig
- $(Q)$(MAKE) -C $(srctree) ARCH=$(ARCH) CC=$(CC) CROSS_COMPILE=$(CROSS_COMPILE) $(IMAGE_NAME) CONFIG_INITRAMFS_SOURCE=$(CURDIR)/initramfs < /dev/null
-
-# run the tests after building the kernel
-run: kernel initramfs.cpio
- $(Q)qemu-system-$(QEMU_ARCH) -display none -no-reboot -kernel "$(IMAGE)" -initrd initramfs.cpio -serial stdio $(QEMU_ARGS) > "$(CURDIR)/run.out"
- $(Q)$(REPORT) $(CURDIR)/run.out
-
-# re-run the tests from an existing kernel
-rerun:
- $(Q)qemu-system-$(QEMU_ARCH) -display none -no-reboot -kernel "$(IMAGE)" -initrd initramfs.cpio -serial stdio $(QEMU_ARGS) > "$(CURDIR)/run.out"
- $(Q)$(REPORT) $(CURDIR)/run.out
-
-# report with existing test log
-report:
- $(Q)$(REPORT) $(CURDIR)/run.out
-
-clean:
- $(call QUIET_CLEAN, sysroot)
- $(Q)rm -rf sysroot
- $(call QUIET_CLEAN, nolibc-test)
- $(Q)rm -f nolibc-test
- $(call QUIET_CLEAN, libc-test)
- $(Q)rm -f libc-test
- $(call QUIET_CLEAN, initramfs.cpio)
- $(Q)rm -rf initramfs.cpio
- $(call QUIET_CLEAN, initramfs)
- $(Q)rm -rf initramfs
- $(call QUIET_CLEAN, run.out)
- $(Q)rm -rf run.out
+ @echo "For the custom nolibc testsuite use '$(MAKE) -f Makefile.nolibc'; available targets:"
+ @$(MAKE) -f Makefile.nolibc help
-.PHONY: sysroot/$(ARCH)/include
+.PHONY: help