136 lines
5.0 KiB
Makefile
136 lines
5.0 KiB
Makefile
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# SPDX-License-Identifier: GPL-2.0
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# Makefile for nolibc tests
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include ../../../scripts/Makefile.include
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# we're in ".../tools/testing/selftests/nolibc"
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ifeq ($(srctree),)
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srctree := $(patsubst %/tools/testing/selftests/,%,$(dir $(CURDIR)))
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endif
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ifeq ($(ARCH),)
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include $(srctree)/scripts/subarch.include
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ARCH = $(SUBARCH)
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endif
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# kernel image names by architecture
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IMAGE_i386 = arch/x86/boot/bzImage
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IMAGE_x86 = arch/x86/boot/bzImage
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IMAGE_arm64 = arch/arm64/boot/Image
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IMAGE_arm = arch/arm/boot/zImage
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IMAGE_mips = vmlinuz
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IMAGE_riscv = arch/riscv/boot/Image
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IMAGE = $(IMAGE_$(ARCH))
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IMAGE_NAME = $(notdir $(IMAGE))
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# default kernel configurations that appear to be usable
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DEFCONFIG_i386 = defconfig
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DEFCONFIG_x86 = defconfig
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DEFCONFIG_arm64 = defconfig
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DEFCONFIG_arm = multi_v7_defconfig
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DEFCONFIG_mips = malta_defconfig
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DEFCONFIG_riscv = defconfig
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DEFCONFIG = $(DEFCONFIG_$(ARCH))
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# optional tests to run (default = all)
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TEST =
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# QEMU_ARCH: arch names used by qemu
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QEMU_ARCH_i386 = i386
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QEMU_ARCH_x86 = x86_64
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QEMU_ARCH_arm64 = aarch64
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QEMU_ARCH_arm = arm
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QEMU_ARCH_mips = mipsel # works with malta_defconfig
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QEMU_ARCH_riscv = riscv64
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QEMU_ARCH = $(QEMU_ARCH_$(ARCH))
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# QEMU_ARGS : some arch-specific args to pass to qemu
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QEMU_ARGS_i386 = -M pc -append "console=ttyS0,9600 i8042.noaux panic=-1 $(TEST:%=NOLIBC_TEST=%)"
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QEMU_ARGS_x86 = -M pc -append "console=ttyS0,9600 i8042.noaux panic=-1 $(TEST:%=NOLIBC_TEST=%)"
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QEMU_ARGS_arm64 = -M virt -cpu cortex-a53 -append "panic=-1 $(TEST:%=NOLIBC_TEST=%)"
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QEMU_ARGS_arm = -M virt -append "panic=-1 $(TEST:%=NOLIBC_TEST=%)"
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QEMU_ARGS_mips = -M malta -append "panic=-1 $(TEST:%=NOLIBC_TEST=%)"
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QEMU_ARGS_riscv = -M virt -append "console=ttyS0 panic=-1 $(TEST:%=NOLIBC_TEST=%)"
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QEMU_ARGS = $(QEMU_ARGS_$(ARCH))
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# OUTPUT is only set when run from the main makefile, otherwise
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# it defaults to this nolibc directory.
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OUTPUT ?= $(CURDIR)/
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ifeq ($(V),1)
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Q=
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else
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Q=@
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endif
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CFLAGS ?= -Os -fno-ident -fno-asynchronous-unwind-tables
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LDFLAGS := -s
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help:
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@echo "Supported targets under selftests/nolibc:"
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@echo " all call the \"run\" target below"
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@echo " help this help"
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@echo " sysroot create the nolibc sysroot here (uses \$$ARCH)"
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@echo " nolibc-test build the executable (uses \$$CC and \$$CROSS_COMPILE)"
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@echo " initramfs prepare the initramfs with nolibc-test"
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@echo " defconfig create a fresh new default config (uses \$$ARCH)"
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@echo " kernel (re)build the kernel with the initramfs (uses \$$ARCH)"
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@echo " run runs the kernel in QEMU after building it (uses \$$ARCH, \$$TEST)"
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@echo " rerun runs a previously prebuilt kernel in QEMU (uses \$$ARCH, \$$TEST)"
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@echo " clean clean the sysroot, initramfs, build and output files"
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@echo ""
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@echo "The output file is \"run.out\". Test ranges may be passed using \$$TEST."
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@echo ""
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@echo "Currently using the following variables:"
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@echo " ARCH = $(ARCH)"
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@echo " CROSS_COMPILE = $(CROSS_COMPILE)"
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@echo " CC = $(CC)"
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@echo " OUTPUT = $(OUTPUT)"
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@echo " TEST = $(TEST)"
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@echo " QEMU_ARCH = $(if $(QEMU_ARCH),$(QEMU_ARCH),UNKNOWN_ARCH) [determined from \$$ARCH]"
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@echo " IMAGE_NAME = $(if $(IMAGE_NAME),$(IMAGE_NAME),UNKNOWN_ARCH) [determined from \$$ARCH]"
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@echo ""
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all: run
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sysroot: sysroot/$(ARCH)/include
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sysroot/$(ARCH)/include:
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$(QUIET_MKDIR)mkdir -p sysroot
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$(Q)$(MAKE) -C ../../../include/nolibc ARCH=$(ARCH) OUTPUT=$(CURDIR)/sysroot/ headers_standalone
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$(Q)mv sysroot/sysroot sysroot/$(ARCH)
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nolibc-test: nolibc-test.c sysroot/$(ARCH)/include
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$(QUIET_CC)$(CC) $(CFLAGS) $(LDFLAGS) -o $@ \
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-nostdlib -static -Isysroot/$(ARCH)/include $< -lgcc
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initramfs: nolibc-test
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$(QUIET_MKDIR)mkdir -p initramfs
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$(call QUIET_INSTALL, initramfs/init)
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$(Q)cp nolibc-test initramfs/init
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defconfig:
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$(Q)$(MAKE) -C $(srctree) ARCH=$(ARCH) CC=$(CC) CROSS_COMPILE=$(CROSS_COMPILE) mrproper $(DEFCONFIG) prepare
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kernel: initramfs
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$(Q)$(MAKE) -C $(srctree) ARCH=$(ARCH) CC=$(CC) CROSS_COMPILE=$(CROSS_COMPILE) $(IMAGE_NAME) CONFIG_INITRAMFS_SOURCE=$(CURDIR)/initramfs
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# run the tests after building the kernel
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run: kernel
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$(Q)qemu-system-$(QEMU_ARCH) -display none -no-reboot -kernel "$(srctree)/$(IMAGE)" -serial stdio $(QEMU_ARGS) > "$(CURDIR)/run.out"
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$(Q)grep -w FAIL "$(CURDIR)/run.out" && echo "See all results in $(CURDIR)/run.out" || echo "$$(grep -c ^[0-9].*OK $(CURDIR)/run.out) test(s) passed."
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# re-run the tests from an existing kernel
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rerun:
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$(Q)qemu-system-$(QEMU_ARCH) -display none -no-reboot -kernel "$(srctree)/$(IMAGE)" -serial stdio $(QEMU_ARGS) > "$(CURDIR)/run.out"
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$(Q)grep -w FAIL "$(CURDIR)/run.out" && echo "See all results in $(CURDIR)/run.out" || echo "$$(grep -c ^[0-9].*OK $(CURDIR)/run.out) test(s) passed."
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clean:
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$(call QUIET_CLEAN, sysroot)
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$(Q)rm -rf sysroot
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$(call QUIET_CLEAN, nolibc-test)
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$(Q)rm -f nolibc-test
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$(call QUIET_CLEAN, initramfs)
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$(Q)rm -rf initramfs
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$(call QUIET_CLEAN, run.out)
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$(Q)rm -rf run.out
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