Demystifying the Secure Enclave Processor
LytVKz
LytVKz
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SEP Initialization – Page Tables<br />
• Required since SEP is 32-bit and all peripherals<br />
have high bits.<br />
VA PA Size Description<br />
0x0000_4000 0x2_0DA0_4000 0x0000_1000 BootROM fragment<br />
(allow first stage to<br />
continue executing after<br />
address translation is<br />
enabled)<br />
0x1000_0000 0x2_0DA0_0000 0x0010_0000 BootROM<br />
0x1018_0000 0x0_8000_0000 0x0000_3000 Window into encrypted<br />
external RAM<br />
0x3000_0000 0x2_0000_0000 0x1000_0000 Peripherals