公开(公告)号：US20150234750A1

公开(公告)日：2015-08-20

申请号：US14182938

申请日：2014-02-18

Applicant: ASPEED Technology Inc.

Inventor： Chung-Yen LU ,  Hung-Ju HUANG

IPC: G06F12/14 ,  H04L9/30

CPC classification number: G06F12/1408 ,  G06F9/30007 ,  G06F2212/1052 ,  G09C1/00 ,  H04L9/3066 ,  H04L2209/122

Abstract: A method of accessing a desired memory location applied in a cipher processing apparatus is disclosed. The cipher processing apparatus comprises a plurality of registers and a register storage. The method comprises the steps of: reading a cipher instruction comprising an opcode field and an operand specifier field; reading a base address from one of the plurality of registers according to a register-id sub-field; respectively reading a bit length and an index value from the register storage and an index sub-field; determining the desired memory location according to the base address, the bit length and the index value; and, accessing the desired memory location to obtain a desired field variable. Here, the operand specifier field comprises the register-id sub-field and the index sub-field.

Abstract translation: 公开了一种访问在密码处理设备中应用的期望存储器位置的方法。 密码处理装置包括多个寄存器和寄存器存储器。 该方法包括以下步骤：读取包括操作码字段和操作数说明符字段的密码指令; 根据寄存器ID子字段从多个寄存器之一读取基地址; 分别从寄存器存储器和索引子字段读取位长度和索引值; 根据基地址，比特长度和索引值确定期望的存储器位置; 并且访问期望的存储器位置以获得期望的场变量。 这里，操作数说明符字段包括register-id子字段和索引子字段。

公开(公告)号：US20140258699A1

公开(公告)日：2014-09-11

申请号：US13788926

申请日：2013-03-07

Applicant: ASPEED TECHNOLOGY INC.

Inventor： Fu-Chou HSU ,  Hung-Ju HUANG ,  Chung-Yen LU

IPC: G06F11/14

CPC classification number: G06F11/1417 ,  G06F11/0721 ,  G06F11/0757

Abstract: An auto firmware update device and method for fault-tolerance is provided. According to an embodiment of the invention, the auto firmware update device includes a serial port, a processor, a timer, a memory and a control unit. The serial port is used for coupling to an external device and updating firmware. The processor fetches instructions to boot. The timer is configured to start counting when the processor boots or restart each time, wherein the timer generates an alarm signal if the timer expires before the processor successfully boots. The memory stores a copy of firmware for booting. The control unit receives the alarm signal to stop the processor, downloads another copy of firmware for booting through the serial port to write to the memory, and restarts the processor.

Abstract translation: 提供了一种用于容错的自动固件更新装置和方法。 根据本发明的实施例，自动固件更新装置包括串行端口，处理器，定时器，存储器和控制单元。 串行端口用于耦合到外部设备并更新固件。 处理器获取引导的指令。 定时器被配置为在处理器启动或每次重新启动时开始计数，其中如果定时器在处理器成功启动之前到期，定时器产生报警信号。 存储器存储用于引导的固件的副本。 控制单元接收报警信号以停止处理器，下载另一个固件副本，以通过串行端口进行引导，以写入存储器，并重新启动处理器。