Error injection on L2 Cache:

after linux booted run the below command
 
#echo 1 > /sys/devices/system/edac/cpu/inject_L2_Cache_Error
because of double bit error injection, cache data will corrupt causing Abort exceptions (SError) and routed to firmware running at EL3
 
Verification:
Xsdb#stop
Xsdb#bt
0  0xfffeda00 sync_exception_sp_elx(): bl31/aarch64/runtime_exceptions.S, line 206
1  0xfffeda04 sync_exception_sp_elx()+4: bl31/aarch64/runtime_exceptions.S, line 206
 

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