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SMC instruction
Offline
Dm Sh
over 7 years ago
Note: This was originally posted on 22nd January 2013 at http://forums.arm.com
Good day.
I have a question - where I can get the #immediate value (4bit) in Secure Monitor Exception Handler, when called SMC instruction with non zero parametr - #imm-4 ?
Don't found this value in any registers.
From ARM documentation.
-------------------------------------
SMC
Secure Monitor Call.
Syntax
SMC{
cond
}
#imm4
where:
[i]imm4
[/i]is a 4-bit immediate value. This is ignored by the ARM processor, but can be used by the SMC exception handler to determine what service is being requested.
Thanks.
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