公开(公告)号：EP4020193A1

公开(公告)日：2022-06-29

申请号：EP21210857.5

申请日：2021-11-26

申请人： INTEL Corporation

发明人： PILLILLI, Bharat ,  VAN DE GROENENDAAL, Joannes

IPC分类号： G06F9/4401 ,  G06F21/57 ,  G06F8/656

摘要： Examples described herein a firmware update device to execute a second firmware, in place of execution of a first firmware, in response to an instruction that causes the firmware update device to execute the second firmware, wherein the second firmware is copied to a buffer prior to execution of the instruction. In some examples, one or more processors are to execute the instruction that causes the firmware update device to execute the second firmware. In some examples, prior to execution of the instruction, a device root of trust is also to validate the second firmware.