Demystifying the Secure Enclave Processor
LytVKz
LytVKz
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SEPOS (INIT)<br />
• Initial process on boot (root task)<br />
▫ Can call any privileged L4 system call<br />
• Initializes and starts all remaining tasks<br />
▫ Processes an application list embedded by <strong>the</strong> sepfirmware<br />
• Maintains a context structure for each task<br />
▫ Includes information about <strong>the</strong> virtual address<br />
space, privilege level, threads, etc.<br />
• Invokes <strong>the</strong> bootstrap server