Arm Development Studio forum Cortex-A9 CPSR I Flag unmask problem

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Cortex-A9 CPSR I Flag unmask problem

Sebastian Meisheit over 12 years ago

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Martin Weidmann over 12 years ago

Note: This was originally posted on 17th July 2012 at http://forums.arm.com

You might want to look at why you ended up in Abort mode. Attempting to change the CPSR will not directly trigger an abort. So a couple of likely possibilities are that you're writing the wrong bit pattern, or that after IRQs there is an abort (in the irq handler for instance).
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Martin Weidmann over 12 years ago

Note: This was originally posted on 17th July 2012 at http://forums.arm.com

You might want to look at why you ended up in Abort mode. Attempting to change the CPSR will not directly trigger an abort. So a couple of likely possibilities are that you're writing the wrong bit pattern, or that after IRQs there is an abort (in the irq handler for instance).
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