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TrustZone Debug Thread Reserved

iiiv over 5 years ago

Hi,

I am using Arm Development Studio IDE to remotely debug an application with gdbserver, when I launch the application I have this message: thread 3700 #1 stopped (reserved) and it doesn't let me debug step by step.

How can I remove the reserved restriction and debug it with privileges?

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Stephen Theobald over 5 years ago +1 verified

Hi iiiv, The "RESERVED" mode you are seeing is the Reserved mode in AArch32, which is not a valid mode. Your iMX8 is an Armv8-A target, so you will need an AArch64 gdbserver. Also, in the Debugger's...

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0 iiiv over 5 years ago in reply to Stephen Theobald

Hi Stephen,

Is there a way to debug TrustZone or can you give me some indication of how to do it? (I try to debug OPTEE)

Thanks
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0 iiiv over 5 years ago in reply to Stephen Theobald

Hi Stephen,

Is there a way to debug TrustZone or can you give me some indication of how to do it? (I try to debug OPTEE)

Thanks
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