A1 Introduction to ARM Architecture
A1 Introduction to ARM Architecture
A1 Introduction to ARM Architecture
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Exceptions<br />
• <strong>ARM</strong>은 7가지 종류의 exception이 있고 이들 exception에 대<br />
응되는 processor mode가 5개가 있다.<br />
Exceptions Processor Modes<br />
Reset Supervisor<br />
Undefined instruction Undefined<br />
Software interrupt (SWI) Supervisor<br />
Prefetch abort Abort<br />
Data abort Abort<br />
IRQ: normal interrupt IRQ<br />
FIQ: fast interrupt FIQ<br />
• <strong>ARM</strong>은 위 5개 processor mode외에 user mode 및 system<br />
mode가 있다. (주: <strong>ARM</strong>은 총 7개의 processor mode가 있음.)<br />
<strong>A1</strong> <strong>Introduction</strong> <strong>to</strong> <strong>ARM</strong> <strong>Architecture</strong> <strong>A1</strong>-6
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