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https://github.com/cirosantilli/linux-kernel-module-cheat.git
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af210a7671
gem5 requires armv7, and we learnt that the versatiledb we were using was pre-v7. We could have moved to -M vexpress-*, but in the end decided to go for -M virt due to its simpliciy, and uniformity with aarch64. platform_device: does not work anymore and was removed, since it was tied to versatilepb. We left a mention on the README and removed all in tree source. The QEMU patch is still left as it was. As a consequence, the linux tree had no other patches, and we now use vanilla linux by default, which is a great thing for reproducibility. Another consequence is the /poweroff.out works for arm -M virt, and we removed all mentions of the problem.
30 lines
653 B
Plaintext
30 lines
653 B
Plaintext
= user
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Userland C programs used to test our kernel modules.
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`sh` programs are simpler, and installed by copying directly with an overlay.
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C programs require cross compiling, but give us more control over system calls.
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These programs can also be compiled and used on host.
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. Standalone
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.. link:hello.c[]
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.. link:myinsmod.c[]
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.. link:myrmmod.c[]
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.. link:usermem.c[]
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... link:pagemap_dump.c[]
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.. inits
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.... link:sleep_forever.c[]
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.... link:poweroff.c[]
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.... link:init_dev_kmsg.c[]
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.. link:uio_read.c[]
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.. link:rand_check.c[]
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.. x86_64
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... link:rdtsc.c[]
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... link:ring0.c[]
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. Module tests
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.. link:anonymous_inode.c[]
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.. link:poll.c[]
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.. link:ioctl.c[]
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