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18 lines
531 B
Bash
Executable File
18 lines
531 B
Bash
Executable File
#!/bin/sh
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# https://cirosantilli.com/linux-kernel-module-cheat#uio
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set -e
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modprobe uio_pci_generic
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# pci_min device
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echo '1234 11e9' > /sys/bus/pci/drivers/uio_pci_generic/new_id
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./kernel_modules/uio_read.out &
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# Helper to observe interrupts.
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insmod irq.ko
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base="$(setpci -d 1234:11e9 BASE_ADDRESS_0)"
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# Start generating interrupt.
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devmem "0x${base}" w 0x12345678
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# Stop generating interrupt.
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devmem "0x$(($base + 4))" w 0x12345678
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devmem "0x${base}" w 0x12345678
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devmem "0x$(($base + 4))" w 0x12345678
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modprobe -r uio_pci_generic
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