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Use busybox devmem

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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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4
kernel_module/user/usermem.c
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@@ -48,7 +48,7 @@ see: https://stackoverflow.com/questions/11891979/how-to-access-mmaped-dev-mem-w
Then:
devmem2 0x7c7b800
devmem 0x7c7b800
Possible output:
@@ -60,7 +60,7 @@ to our physical address and given to the process that mapped /dev/mem.
And finally, let's change the value!
devmem2 0x7c7b800 w 0x9abcdef0
devmem 0x7c7b800 w 0x9abcdef0
After one second, we see on the screen: