Title:
情報処理装置
Document Type and Number:
Japanese Patent JP7362583
Kind Code:
B2
Abstract:
An electronic apparatus includes: a processor configured to execute a firmware program and a monitor program exclusively, switch between multiple operation modes, and start up the firmware program according to the monitor program; and nonvolatile memory which includes, storage regions for a plurality of firmware programs, a signature table that holds signatures of the firmware programs individually stored in the storage regions or a signature of a firmware program including an identification number of an update notification used for update, a firmware program storage for information specifying a firmware program selected to be executed, a first storage that holds an execution result of a firmware program selected in accordance with the monitor program, a second storage that holds the update notification acquired by the execution of the firmware program, and a third storage that holds a maximum identification number of firmware programs that have been executed.
Inventors:
Shinnosuke Yamaoka
Mikio Hashimoto
Ryuichi Koike
Mikio Hashimoto
Ryuichi Koike
Application Number:
JP2020158946A
Publication Date:
October 17, 2023
Filing Date:
September 23, 2020
Export Citation:
Assignee:
Toshiba Corporation
Toshiba Electronic Devices & Storage Corporation
Toshiba Electronic Devices & Storage Corporation
International Classes:
G06F21/57; G06F8/65; G06F9/4401; G06F21/51
Domestic Patent References:
| JP2017228077A | ||||
| JP2019139678A | ||||
| JP2017021434A |
Foreign References:
| US20190163465 | ||||
| US20200257518 |
Attorney, Agent or Firm:
Sakai International Patent Office