ARM Overview: Difference between revisions
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added article link about data and instruction abort exception on real hardware
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The 'Undefined' Mode is switched to on the encounter by the CPU of an undefined exception. However, based on the tone used in the ARMv4 manual, and the fact that they blatantly imply this, the exception mode was really meant for the kernel to emulate instructions for the usermode process, and then return.
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| http://www.embedded.com/design/prototyping-and-development/4006695/How-to-use-ARM-s-data-abort-exception || Good article on the data and instruction ABORT exceptions
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==Registers==
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