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오늘 본 자료
안전한 차량전장용 소프트웨어 업데이트를 위한 더블 부트 시스템
백장운(Jangwoon Baek),박병훈(Byunghun Park),정승완(Sungwan Jeong),서대화(Daewha Seo) 한국자동차공학회 2011 한국자동차공학회 학술대회 및 전시회 Vol.2011 No.11
This paper proposes a double boot system to guarantee the safety during new bootloader or Operating System update. The double boot system consists of a monitor program and two bootloaders. The monitor program checks the validity of first bootloader. If the first bootloader does not pass the validity check, the monitor program calls the second bootloader for the software update. In the proposed system, one of the two bootloaders is valid in spite of the reset due to system fault or power down. Accordingly, the proposed system provide the reliable software update without other hardware debugger or ROM writer.