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1.发明授权Method for protecting a privilege level of system management mode of a computer system 有权保护计算机系统的系统管理模式的特权级别的方法公开(公告)号：US08694794B2
公开(公告)日：2014-04-08
申请号：US12874622
申请日：2010-09-02
IPC分类号： G06F12/08 , G06F15/177
CPC分类号： G06F21/572 , G06F21/74 , G06F2221/2105
摘要： A method for protecting a privilege level of a system management mode (SMM) of a computer system is disclosed. A SMM program is loaded into a special memory (SMRAM) area within a system memory of a computer. A first program, a second program, and a vector table are loaded into a general area of the system memory. Before the booting process of the computer has been completed, a reference hash value of the first program is determined by the SMM program, and the reference hash value is stored in the SMRAM area. A hash value of the first program is the computed by the SMM program. After the computer has been operating under an operating environment of an operating system, the computed hash value is compared to the reference hash value. When the computed hash value matches the reference hash value, the first program is called by the SMM program.
摘要翻译： 公开了一种用于保护计算机系统的系统管理模式（SMM）的特权级别的方法。 SMM程序被加载到计算机的系统存储器内的特殊存储器（SMRAM）区域中。 第一程序，第二程序和向量表被加载到系统存储器的一般区域中。 在计算机的引导过程完成之前，由SMM程序确定第一程序的参考散列值，并将参考散列值存储在SMRAM区域中。 第一个程序的哈希值是由SMM程序计算的。 在计算机在操作系统的操作环境下操作之后，将所计算的散列值与参考散列值进行比较。 当计算的散列值与引用散列值匹配时，第一个程序由SMM程序调用。
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2.发明申请Method for Protecting a Privilege Level of System Management Mode of a Computer System 有权保护计算机系统管理模式特权级别的方法公开(公告)号：US20110078408A1
公开(公告)日：2011-03-31
申请号：US12874622
申请日：2010-09-02
IPC分类号： G06F12/08 , G06F15/177
CPC分类号： G06F21/572 , G06F21/74 , G06F2221/2105
摘要： A method for protecting a privilege level of a system management mode (SMM) of a computer system is disclosed. A SMM program is loaded into a special memory (SMRAM) area within a system memory of a computer. A first program, a second program, and a vector table are loaded into a general area of the system memory. Before the booting process of the computer has been completed, a reference hash value of the first program is determined by the SMM program, and the reference hash value is stored in the SMRAM area. A hash value of the first program is the computed by the SMM program. After the computer has been operating under an operating environment of an operating system, the computed hash value is compared to the reference hash value. When the computed hash value matches the reference hash value, the first program is called by the SMM program.
摘要翻译： 公开了一种用于保护计算机系统的系统管理模式（SMM）的特权级别的方法。 SMM程序被加载到计算机的系统存储器内的特殊存储器（SMRAM）区域中。 第一程序，第二程序和向量表被加载到系统存储器的一般区域中。 在计算机的引导过程完成之前，由SMM程序确定第一程序的参考散列值，并将参考散列值存储在SMRAM区域中。 第一个程序的哈希值是由SMM程序计算的。 在计算机在操作系统的操作环境下操作之后，将所计算的散列值与参考散列值进行比较。 当计算的散列值与引用散列值匹配时，第一个程序由SMM程序调用。
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3.发明授权Program, recording medium, method, and information processing apparatus for controlling an execution mode of a CPU 有权用于控制CPU的执行模式的程序，记录介质，方法和信息处理设备公开(公告)号：US07325151B2
公开(公告)日：2008-01-29
申请号：US11060474
申请日：2005-02-17
CPC分类号： G06F1/3203
摘要： Disclosed is a program product for directing the information processing apparatus to control an execution mode of a central processing unit(CPU) provided, the CPU having a plurality of execution modes, whose types and power consumptions of executable processing are different from one another, the program product comprising: an apparatus readable medium; recovery time acquisition means for acquiring a recovery time which is a time required for the CPU to recover from a low power mode to a high power mode of which power consumption is higher than that of the low power mode; allowed time acquisition means for acquiring the longest allowed time from a request for processing unprocessable in the low power mode and processable in the high power mode to a start of the processing after the CPU recovers to the high power mode, the request being made by an input/output device; and execution mode setting means for settingthe CPU in a state of being shiftable to the low power mode if it is determined that the CPU is able to shift to the low power mode based on the allowed time and the recovery time.
摘要翻译： 公开了一种用于指示信息处理装置来控制所提供的中央处理单元（CPU）的执行模式的程序产品，具有多个执行模式的CPU，其中可执行处理的类型和功耗彼此不同， 程序产品，包括：设备可读介质; 恢复时间获取装置，用于获取作为CPU从低功率模式恢复到功耗高于低功率模式的高功率模式所需的时间的恢复时间; 允许时间获取装置，用于从处理在低功率模式下处理的处理请求中获得最长允许时间，并且在高功率模式中可处理到在CPU恢复到高功率模式之后的开始处理，该请求由 输入/输出设备; 以及执行模式设定装置，用于如果基于所允许的时间和恢复时间确定CPU能够转移到低功率模式，则将CPU设置为处于低功率模式的状态。
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4.发明授权公开(公告)号：US07254727B2
公开(公告)日：2007-08-07
申请号：US10730672
申请日：2003-12-08
CPC分类号： G06F12/0888 , G06F1/3203 , G06F1/3275 , G06F12/0835 , G06F12/0837 , G06F2212/1028 , G06F2212/621 , Y02D10/13 , Y02D10/14 , Y02D50/20
摘要： An information processor having a normal-operation mode in which coherence control is performed for making data in a cache memory of a processor identical to data in a main memory and a power-saving mode in which the coherence control is suppressed to lower the power consumption from power consumption in the normal-operation mode and entering the normal-operation mode when an input/output device accesses the main memory in the power-saving mode includes an attribute setting module for setting a device area of the main memory, accessed by the input/output device of the information processor to a non-cacheable attribute for exempting said device area from said coherence control even in the normal-operation mode; an operation mode setting module for allowing the input/output device to access the device area while keeping the operation mode of the information processor in the power-saving mode when the input/output device requests access to the device area in the power-saving mode.
摘要翻译： 具有正常操作模式的信息处理器，其中执行相干控制以在与主存储器中的数据相同的处理器的高速缓冲存储器中进行数据，以及抑制相干控制以降低功耗的功率保存模式 当在功率保存模式中输入/输出设备访问主存储器时，从正常操作模式的功率消耗进入正常操作模式，包括用于设置主存储器的设备区域的属性设置模块， 信息处理器的输入/输出设备到不可缓存的属性，即使在正常操作模式下也可以将所述设备区域从所述相干控制中免除; 操作模式设置模块，用于当输入/输出设备在功率保存模式下请求访问设备区域时，允许输入/输出设备访问设备区域，同时保持信息处理器的操作模式处于省电模式 。
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公开(公告)号：US20100057440A1
公开(公告)日：2010-03-04
申请号：US12202311
申请日：2008-08-31
申请人： Randall S. Springfield , Jeffrey M. Estroff , Mikio Hagiwara , James P. Hoff , Seiichi Kawano , Noritoshi Yoshiyama
发明人： Randall S. Springfield , Jeffrey M. Estroff , Mikio Hagiwara , James P. Hoff , Seiichi Kawano , Noritoshi Yoshiyama
IPC分类号： G06F17/20 , G06F15/177
CPC分类号： G06F9/454
摘要： Systems and methods for providing multi-language support in a pre-boot environment are supplied. User interface type information, such as keyboard type information and translation tables, are ascertained and provided to the pre-boot environment of the apparatus, allowing the apparatus to properly receive and/or translate multi-language inputs in an appropriate fashion.
摘要翻译： 提供了在预引导环境中提供多语言支持的系统和方法。 确定用户界面类型信息，例如键盘类型信息和翻译表，并将其提供给设备的预引导环境，从而允许设备以合适的方式适当地接收和/或翻译多语言输入。
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6.发明授权Apparatus, method and program product for preventing system mode change by mistaken instruction 有权用于通过错误的指令防止系统模式改变的装置，方法和程序产品公开(公告)号：US07171569B2
公开(公告)日：2007-01-30
申请号：US10739508
申请日：2003-12-18
CPC分类号： G06F1/3203
摘要： An information processing apparatus that allows the operating mode of a system to be changed according to the input of a user instruction includes a request signal obtaining module for obtaining a change request signal for requesting the change of the operating mode of the system; an instruction signal generation module for generating a change instruction signal for changing the operating mode of the system according to the change request signal obtained by the request signal obtaining module; an operation control module for changing the operating mode of the system according to the change instruction signal generated by the instruction signal generation module; and an instruction signal generation control module for preventing the instruction signal generation module from generating the change instruction signal if the request signal obtaining module re-obtains the same change request signal as the change request signal during a time period required for the operation control module to successfully change the operating mode of the system.
摘要翻译： 一种允许根据用户指令的输入来改变系统的操作模式的信息处理设备包括：请求信号获取模块，用于获得用于请求改变系统的操作模式的改变请求信号; 指令信号生成模块，用于根据由请求信号获取模块获得的改变请求信号产生用于改变系统的操作模式的改变指令信号; 操作控制模块，用于根据由指令信号产生模块产生的改变指令信号改变系统的操作模式; 以及指示信号生成控制模块，用于如果请求信号获取模块在操作控制模块所需的时间段内重新获得与改变请求信号相同的改变请求信号，则指示信号生成模块不产生改变指令信号 成功地改变了系统的运行模式。
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7.发明申请Method and apparatus for specifying factors that impede power savings of a processor 有权用于指定妨碍处理器功率节省的因素的方法和装置公开(公告)号：US20060107080A1
公开(公告)日：2006-05-18
申请号：US11284582
申请日：2005-11-22
IPC分类号： G06F1/26
CPC分类号： G06F1/3203
摘要： A data processing system capable of specifying impeding factors that impede power savings is disclosed. The data processing system includes a central processing unit, an operation mode detection unit, and an impeding factors specifying unit. The central processing unit has multiple operation modes, and each of the operation modes has a different rate of power consumption. The operation mode detection unit detects an operation mode of the central processing unit. Based on a history of operation modes of the central processing unit that was detected by the operation mode detection unit, the impeding factors specifying unit specifies a device that is considered as an impeding factor to power savings for the data processing system.
摘要翻译： 公开了能够指定阻碍功率节省的阻碍因素的数据处理系统。 数据处理系统包括中央处理单元，操作模式检测单元和阻碍因子确定单元。 中央处理单元具有多种操作模式，每种操作模式具有不同的功耗率。 操作模式检测单元检测中央处理单元的操作模式。 根据由操作模式检测单元检测到的中央处理单元的操作模式的历史，阻碍因子指定单元指定被认为是数据处理系统的节能的阻碍因素的设备。
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8.发明申请Method, service and program for variation reduction in an information processor having multiple power levels 有权具有多个功率电平的信息处理器的变化减少的方法，服务和程序公开(公告)号：US20050138449A1
公开(公告)日：2005-06-23
申请号：US10739515
申请日：2003-12-18
申请人： Takayuki Katoh , Seiichi Kawano , Kenji Oka , Noritoshi Yoshiyama
发明人： Takayuki Katoh , Seiichi Kawano , Kenji Oka , Noritoshi Yoshiyama
CPC分类号： G06F1/3203 , G06F1/263
摘要： An information processor having a plurality of operating modes differing in power consumption and capable of changing the operating mode according to the amount of processing has periodic switching detection means of performing detection as to whether the information processor is periodically switching from a low-power-consumption operating mode in which the power consumption is lower to a high-power-consumption operating mode in which the power consumption is higher in the plurality of operating modes, and operating mode changing means of changing the operating modes between which the information processor switches to a combination of the operating modes such that the difference between the power consumptions is reduced relative to that at the time of switching between the low-power-consumption operating mode and the high-power-consumption operating mode if the switching cycle detected by the periodic switching detection means is shorter than a set cycle determined in advance.
摘要翻译： 具有多个功耗不同并能够根据处理量改变操作模式的操作模式的信息处理器具有执行关于信息处理器是否周期性地从低功耗切换的检测的周期性切换检测装置 操作模式，其中功耗低于在多个操作模式中功耗较高的高功耗操作模式;以及操作模式改变装置，其将信息处理器切换到其之间的操作模式 如果通过周期性切换检测到的切换周期，则在低功耗操作模式和高功耗操作模式之间切换时，功率差之间的差异减小， 检测装置比预先确定的设定循环短。
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公开(公告)号：US20050060591A1
公开(公告)日：2005-03-17
申请号：US10730672
申请日：2003-12-08
CPC分类号： G06F12/0888 , G06F1/3203 , G06F1/3275 , G06F12/0835 , G06F12/0837 , G06F2212/1028 , G06F2212/621 , Y02D10/13 , Y02D10/14 , Y02D50/20
摘要： An information processor having a normal-operation mode in which coherence control is performed for making data in a cache memory of a processor identical to data in a main memory and a power-saving mode in which the coherence control is suppressed to lower the power consumption from power consumption in the normal-operation mode and entering the normal-operation mode when an input/output device accesses the main memory in the power-saving mode includes an attribute setting module for setting a device area of the main memory, accessed by the input/output device of the information processor to a non-cacheable attribute for exempting said device area from said coherence control even in the normal-operation mode; an operation mode setting module for allowing the input/output device to access the device area while keeping the operation mode of the information processor in the power-saving mode when the input/output device requests access to the device area in the power-saving mode.
摘要翻译： 具有正常操作模式的信息处理器，其中执行相干控制以在与主存储器中的数据相同的处理器的高速缓冲存储器中进行数据，以及抑制相干控制以降低功耗的功率保存模式 当在功率保存模式中输入/输出设备访问主存储器时，从正常操作模式的功率消耗进入正常操作模式，包括用于设置主存储器的设备区域的属性设置模块， 信息处理器的输入/输出设备到不可缓存的属性，即使在正常操作模式下也可以将所述设备区域从所述相干控制中免除; 操作模式设置模块，用于当输入/输出设备在功率保存模式下请求访问设备区域时，允许输入/输出设备访问设备区域，同时保持信息处理器的操作模式处于省电模式 。
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10.发明授权Method and apparatus for specifying factors that impede power savings of a processor 有权用于指定妨碍处理器功率节省的因素的方法和装置公开(公告)号：US07395441B2
公开(公告)日：2008-07-01
申请号：US11284582
申请日：2005-11-22
CPC分类号： G06F1/3203
摘要： A data processing system capable of specifying impeding factors that impede power savings is disclosed. The data processing system includes a central processing unit, an operation mode detection unit, and an impeding factors specifying unit. The central processing unit has multiple operation modes, and each of the operation modes has a different rate of power consumption. The operation mode detection unit detects an operation mode of the central processing unit. Based on a history of operation modes of the central processing unit that was detected by the operation mode detection unit, the impeding factors specifying unit specifies a device that is considered as an impeding factor to power savings for the data processing system.
摘要翻译： 公开了能够指定阻碍功率节省的阻碍因素的数据处理系统。 数据处理系统包括中央处理单元，操作模式检测单元和阻碍因子确定单元。 中央处理单元具有多种操作模式，每种操作模式具有不同的功耗率。 操作模式检测单元检测中央处理单元的操作模式。 根据由操作模式检测单元检测到的中央处理单元的操作模式的历史，阻碍因子指定单元指定被认为是数据处理系统的节能的阻碍因素的设备。
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