跳至主要内容

arm_trust_firmware

What: ARM 官方的Secure World 執行環境的詞作 Why: ARMv8 引入 Trustzone+EL3(Secure Monitor)，並且不再維護vendor BL1 BL2 When Armv8 2013-14第一版ATF 2015 ATF 成標準

Major component​

  • Boot loader (BL1 BL2 BL31 BL32 BL33)
  • TF-A
  • PSCI
  • SMC Dispatcher
  • SiPserice
  • Certificated Chain/ROT(Root of Truest)

名詞解釋​

  • ATF
  • TEE
  • BL Boot Process
  • ARM Exeception Level
  • OP-TEE
  • Secure Boot Chain
  • trustzone
  • secure world

BL1 BL2 BL31 BL32 BL31 BL33

https://pyjamabrah.com/posts/arm64-day0-exception-levels/ https://www.cnblogs.com/arnoldlu/p/14175126.html