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dma_map_benchmark is a standalone developer tool rather than an automated selftest. It has no pass/fail criteria, expects manual invocation, and is built as a normal userspace binary. Move it to tools/dma/ and add a minimal Makefile. Suggested-by: Marek Szyprowski <m.szyprowski@samsung.com> Suggested-by: Barry Song <baohua@kernel.org> Signed-off-by: Qinxin Xia <xiaqinxin@huawei.com> Acked-by: Barry Song <baohua@kernel.org> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Link: https://lore.kernel.org/r/20251028120900.2265511-3-xiaqinxin@huawei.com
56 lines
1.6 KiB
Makefile
56 lines
1.6 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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include ../scripts/Makefile.include
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bindir ?= /usr/bin
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# This will work when dma is built in tools env. where srctree
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# isn't set and when invoked from selftests build, where srctree
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# is set to ".". building_out_of_srctree is undefined for in srctree
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# builds
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ifndef building_out_of_srctree
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srctree := $(patsubst %/,%,$(dir $(CURDIR)))
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srctree := $(patsubst %/,%,$(dir $(srctree)))
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endif
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# Do not use make's built-in rules
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# (this improves performance and avoids hard-to-debug behaviour);
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MAKEFLAGS += -r
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override CFLAGS += -O2 -Wall -g -D_GNU_SOURCE -I$(OUTPUT)include
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ALL_TARGETS := dma_map_benchmark
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ALL_PROGRAMS := $(patsubst %,$(OUTPUT)%,$(ALL_TARGETS))
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all: $(ALL_PROGRAMS)
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export srctree OUTPUT CC LD CFLAGS
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include $(srctree)/tools/build/Makefile.include
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#
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# We need the following to be outside of kernel tree
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#
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$(OUTPUT)include/linux/map_benchmark.h: ../../include/uapi/linux/map_benchmark.h
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mkdir -p $(OUTPUT)include/linux 2>&1 || true
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ln -sf $(CURDIR)/../../include/uapi/linux/map_benchmark.h $@
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prepare: $(OUTPUT)include/linux/map_benchmark.h
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FORCE:
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DMA_MAP_BENCHMARK = dma_map_benchmark
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$(DMA_MAP_BENCHMARK): prepare FORCE
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$(CC) $(CFLAGS) $(DMA_MAP_BENCHMARK).c -o $(DMA_MAP_BENCHMARK)
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clean:
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rm -f $(ALL_PROGRAMS)
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rm -rf $(OUTPUT)include
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find $(or $(OUTPUT),.) -name '*.o' -delete -o -name '\.*.d' -delete -o -name '\.*.cmd' -delete
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install: $(ALL_PROGRAMS)
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install -d -m 755 $(DESTDIR)$(bindir); \
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for program in $(ALL_PROGRAMS); do \
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install $$program $(DESTDIR)$(bindir); \
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done
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.PHONY: all install clean prepare FORCE
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