Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
selftests/nolibc: use file driver for QEMU serial
For the test implementation of the SuperH architecture a second serial
serial port needs to be used. Unfortunately the currently used 'stdio'
driver does not support multiple serial ports at the same time.
Switch to the 'file' driver which does support multiple ports and is
sufficient for the nolibc-test usecase.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Acked-by: Willy Tarreau <w@1wt.eu>
Tested-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Link: https://lore.kernel.org/r/20250623-nolibc-sh-v2-2-0f5b4b303025@weissschuh.net
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tools/testing/selftests/nolibc/Makefile.nolibc
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tools/testing/selftests/nolibc/Makefile.nolibc
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# run the tests after building the kernel
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run: kernel initramfs.cpio
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$(Q)qemu-system-$(QEMU_ARCH) -display none -no-reboot -kernel "$(IMAGE)" -initrd initramfs.cpio -serial stdio $(QEMU_ARGS) > "$(CURDIR)/run.out"
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$(Q)qemu-system-$(QEMU_ARCH) -display none -no-reboot -kernel "$(IMAGE)" -initrd initramfs.cpio -serial file:/dev/stdout $(QEMU_ARGS) > "$(CURDIR)/run.out"
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$(Q)$(REPORT) $(CURDIR)/run.out
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# re-run the tests from an existing kernel
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rerun:
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$(Q)qemu-system-$(QEMU_ARCH) -display none -no-reboot -kernel "$(IMAGE)" -initrd initramfs.cpio -serial stdio $(QEMU_ARGS) > "$(CURDIR)/run.out"
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$(Q)qemu-system-$(QEMU_ARCH) -display none -no-reboot -kernel "$(IMAGE)" -initrd initramfs.cpio -serial file:/dev/stdout $(QEMU_ARGS) > "$(CURDIR)/run.out"
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$(Q)$(REPORT) $(CURDIR)/run.out
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# report with existing test log