3rd-party/linux-kernel-module-cheat
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Use busybox devmem

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This commit is contained in:
Ciro Santilli
2017-08-08 11:56:01 +01:00
parent 68af3477cc
commit 8d668d6ed3
9 changed files with 35 additions and 144 deletions
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8
rootfs_overlay/uio_read.sh
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@@ -8,8 +8,8 @@ echo '1234 11e9' > /sys/bus/pci/drivers/uio_pci_generic/new_id
insmod /irq.ko
base="$(setpci -d 1234:11e9 BASE_ADDRESS_0)"
# Start generating interrupt.
/devmem3.out "0x${base}" w 0x12345678
devmem "0x${base}" w 0x12345678
# Stop generating interrupt.
/devmem3.out "0x$(($base + 4))" w 0x12345678
/devmem3.out "0x${base}" w 0x12345678
/devmem3.out "0x$(($base + 4))" w 0x12345678
devmem "0x$(($base + 4))" w 0x12345678
devmem "0x${base}" w 0x12345678
devmem "0x$(($base + 4))" w 0x12345678

8
rootfs_overlay/virt_to_phys.sh
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@@ -6,11 +6,11 @@ cat lkmc_virt_to_phys
# k = 0x12345678
# i = 0x12345678
addr=$(awk '$1 == "virt_to_phys_k" { print $2 }' lkmc_virt_to_phys)
devmem2 "$addr"
devmem2 "$addr" w 0x9ABCDEF0
devmem "$addr"
devmem "$addr" w 0x9ABCDEF0
addr=$(awk '$1 == "virt_to_phys_i" { print $2 }' lkmc_virt_to_phys)
devmem2 "$addr"
devmem2 "$addr" w 0x9ABCDEF0
devmem "$addr"
devmem "$addr" w 0x9ABCDEF0
cat lkmc_virt_to_phys
# k = 0x9ABCDEF0
# i = 0x12345678