Giving Mobile Security the Boot
TrustZone
TrustZone
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Entering TrustZone (AArch32)<br />
• SMC to TrustZone is like SVC/SWI to supervisor mode<br />
SMC 是 一 个 特 殊 指 令 , 类 似 于 软 件 中 断 指 令 (SWI)<br />
• Control transferred to a “monitor vector” in secure world<br />
SMC<br />
SMC 指 令<br />
Prefetch Abort<br />
Data Abort<br />
中 止<br />
0x1C<br />
IRQ<br />
FIQ<br />
中 断<br />
快 速 中 断<br />
monitor 的 异 常 向 量 表
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