How to use axi dma kernel module in custom application in petalinux? - yocto
I am trying to build the axidma-benchmark application with the Xilinx-axidma driver (Github repo) provided by bperez77.
I am using Petalinux 20.2 to build Linux for my custom project.
In the new version of the kernel, some functions are changed and I get some errors when running petalinux-build. I changed the driver files as mentioned here and build the kernel module successfully.
In the following, I create the custom application by running:
petalinux-create -t apps --name axidma-benchmark --enable
Then I copy the application files into the recipes-apps directory and append all C and header files to the SRC_URI List in the axidma-benchmark.bb as:
SRC_URI = "file://axidma-benchmark.c \
file://axidma_ioctl.h \
file://conversion.h \
file://libaxidma.h \
file://util.c \
file://util.h \
file://Makefile \
"
Then I add APP_OBJS += util.o to the Makefile and build the application by running:
petalinux-build -c axidma-benchmark
But I got these errors:
ERROR: axidma-benchmark-1.0-r0 do_compile: oe_runmake failed
ERROR: axidma-benchmark-1.0-r0 do_compile: Execution of '/media/fpgaws/projects/DevelopmentLab/build/apu/ultrazed7ev/build/tmp/work/aarch64-xilinx-linux/axidma-benchmark/1.0-r0/temp/run.do_compile.21635' failed with exit code 1:
aarch64-xilinx-linux-gcc -march=armv8-a+crc -mtune=cortex-a72.cortex-a53 -fstack-protector-strong -D_FORTIFY_SOURCE=2 -Wformat -Wformat-security -Werror=format-security --sysroot=/media/fpgaws/projects/DevelopmentLab/build/apu/ultrazed7ev/build/tmp/work/aarch64-xilinx-linux/axidma-benchmark/1.0-r0/recipe-sysroot -o axidma-benchmark axidma-benchmark.o util.o -Wl,-O1 -Wl,--hash-style=gnu -Wl,--as-needed -fstack-protector-strong -Wl,-z,relro,-z,now
/media/fpgaws/projects/DevelopmentLab/build/apu/ultrazed7ev/build/tmp/work/aarch64-xilinx-linux/axidma-benchmark/1.0-r0/recipe-sysroot-native/usr/bin/aarch64-xilinx-linux/../../libexec/aarch64-xilinx-linux/gcc/aarch64-xilinx-linux/9.2.0/ld: axidma-benchmark.o: in function main': /usr/src/debug/axidma-benchmark/1.0-r0/axidma-benchmark.c:491: undefined reference to axidma_init'
/media/fpgaws/projects/DevelopmentLab/build/apu/ultrazed7ev/build/tmp/work/aarch64-xilinx-linux/axidma-benchmark/1.0-r0/recipe-sysroot-native/usr/bin/aarch64-xilinx-linux/../../libexec/aarch64-xilinx-linux/gcc/aarch64-xilinx-linux/9.2.0/ld: /usr/src/debug/axidma-benchmark/1.0-r0/axidma-benchmark.c:499: undefined reference to axidma_malloc' /media/fpgaws/projects/DevelopmentLab/build/apu/ultrazed7ev/build/tmp/work/aarch64-xilinx-linux/axidma-benchmark/1.0-r0/recipe-sysroot-native/usr/bin/aarch64-xilinx-linux/../../libexec/aarch64-xilinx-linux/gcc/aarch64-xilinx-linux/9.2.0/ld: /usr/src/debug/axidma-benchmark/1.0-r0/axidma-benchmark.c:505: undefined reference to axidma_malloc'
/media/fpgaws/projects/DevelopmentLab/build/apu/ultrazed7ev/build/tmp/work/aarch64-xilinx-linux/axidma-benchmark/1.0-r0/recipe-sysroot-native/usr/bin/aarch64-xilinx-linux/../../libexec/aarch64-xilinx-linux/gcc/aarch64-xilinx-linux/9.2.0/ld: /usr/src/debug/axidma-benchmark/1.0-r0/axidma-benchmark.c:514: undefined reference to axidma_get_vdma_tx' /media/fpgaws/projects/DevelopmentLab/build/apu/ultrazed7ev/build/tmp/work/aarch64-xilinx-linux/axidma-benchmark/1.0-r0/recipe-sysroot-native/usr/bin/aarch64-xilinx-linux/../../libexec/aarch64-xilinx-linux/gcc/aarch64-xilinx-linux/9.2.0/ld: /usr/src/debug/axidma-benchmark/1.0-r0/axidma-benchmark.c:515: undefined reference to axidma_get_vdma_rx'
/media/fpgaws/projects/DevelopmentLab/build/apu/ultrazed7ev/build/tmp/work/aarch64-xilinx-linux/axidma-benchmark/1.0-r0/recipe-sysroot-native/usr/bin/aarch64-xilinx-linux/../../libexec/aarch64-xilinx-linux/gcc/aarch64-xilinx-linux/9.2.0/ld: axidma-benchmark.o: in function single_transfer_test': /usr/src/debug/axidma-benchmark/1.0-r0/axidma-benchmark.c:396: undefined reference to axidma_twoway_transfer'
/media/fpgaws/projects/DevelopmentLab/build/apu/ultrazed7ev/build/tmp/work/aarch64-xilinx-linux/axidma-benchmark/1.0-r0/recipe-sysroot-native/usr/bin/aarch64-xilinx-linux/../../libexec/aarch64-xilinx-linux/gcc/aarch64-xilinx-linux/9.2.0/ld: axidma-benchmark.o: in function main': /usr/src/debug/axidma-benchmark/1.0-r0/axidma-benchmark.c:558: undefined reference to axidma_free'
/media/fpgaws/projects/DevelopmentLab/build/apu/ultrazed7ev/build/tmp/work/aarch64-xilinx-linux/axidma-benchmark/1.0-r0/recipe-sysroot-native/usr/bin/aarch64-xilinx-linux/../../libexec/aarch64-xilinx-linux/gcc/aarch64-xilinx-linux/9.2.0/ld: /usr/src/debug/axidma-benchmark/1.0-r0/axidma-benchmark.c:560: undefined reference to axidma_free' /media/fpgaws/projects/DevelopmentLab/build/apu/ultrazed7ev/build/tmp/work/aarch64-xilinx-linux/axidma-benchmark/1.0-r0/recipe-sysroot-native/usr/bin/aarch64-xilinx-linux/../../libexec/aarch64-xilinx-linux/gcc/aarch64-xilinx-linux/9.2.0/ld: /usr/src/debug/axidma-benchmark/1.0-r0/axidma-benchmark.c:562: undefined reference to axidma_destroy'
/media/fpgaws/projects/DevelopmentLab/build/apu/ultrazed7ev/build/tmp/work/aarch64-xilinx-linux/axidma-benchmark/1.0-r0/recipe-sysroot-native/usr/bin/aarch64-xilinx-linux/../../libexec/aarch64-xilinx-linux/gcc/aarch64-xilinx-linux/9.2.0/ld: /usr/src/debug/axidma-benchmark/1.0-r0/axidma-benchmark.c:519: undefined reference to axidma_get_dma_tx' /media/fpgaws/projects/DevelopmentLab/build/apu/ultrazed7ev/build/tmp/work/aarch64-xilinx-linux/axidma-benchmark/1.0-r0/recipe-sysroot-native/usr/bin/aarch64-xilinx-linux/../../libexec/aarch64-xilinx-linux/gcc/aarch64-xilinx-linux/9.2.0/ld: /usr/src/debug/axidma-benchmark/1.0-r0/axidma-benchmark.c:520: undefined reference to axidma_get_dma_rx'
/media/fpgaws/projects/DevelopmentLab/build/apu/ultrazed7ev/build/tmp/work/aarch64-xilinx-linux/axidma-benchmark/1.0-r0/recipe-sysroot-native/usr/bin/aarch64-xilinx-linux/../../libexec/aarch64-xilinx-linux/gcc/aarch64-xilinx-linux/9.2.0/ld: axidma-benchmark.o: in function time_dma': /usr/src/debug/axidma-benchmark/1.0-r0/axidma-benchmark.c:426: undefined reference to axidma_twoway_transfer'
collect2: error: ld returned 1 exit status
make: *** [Makefile:12: axidma-benchmark] Error 1
WARNING: /media/fpgaws/projects/DevelopmentLab/build/apu/ultrazed7ev/build/tmp/work/aarch64-xilinx-linux/axidma-benchmark/1.0-r0/temp/run.do_compile.21635:1 exit 1 from 'exit 1'
ERROR: Logfile of failure stored in: /media/fpgaws/projects/DevelopmentLab/build/apu/ultrazed7ev/build/tmp/work/aarch64-xilinx-linux/axidma-benchmark/1.0-r0/temp/log.do_compile.21635
What is my mistake?
I have forgotten to add the libaxidma.c files into the file directory. By adding this file application was built successfully.
Update:
You can access the final version of my code via this link.
If you have any problems, please let me know.
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