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    • 3. 发明申请
    • Virtual address translation by a processor for a peripheral device
    • 用于外围设备的处理器的虚拟地址转换
    • US20070220231A1
    • 2007-09-20
    • US11385242
    • 2006-03-20
    • Sridharan SakthiveluJohn Baudrexl
    • Sridharan SakthiveluJohn Baudrexl
    • G06F12/00
    • G06F12/1009G06F12/1036G06F12/1081G06F12/109
    • Processors, systems, and methods for virtual address translation by a processor for a peripheral device are disclosed. In one embodiment, a processor includes a memory management unit and an interface. The memory management unit is to translate a first address to a second address. The first address is an address usable by software to access the virtual memory space of the processor. The second address is an address usable by the processor to access the physical memory space of the processor. The interface is to receive the first address from a peripheral device, to receive a request to translate the first address, and to transmit the second address to the peripheral device for the peripheral device to use to access the physical memory space of the processor.
    • 公开了一种用于外围设备的处理器进行虚拟地址转换的处理器,系统和方法。 在一个实施例中,处理器包括存储器管理单元和接口。 存储器管理单元将第一地址转换为第二地址。 第一个地址是软件可以访问处理器的虚拟内存空间的地址。 第二地址是处理器可以访问处理器的物理存储器空间的地址。 接口是从外围设备接收第一个地址,接收转换第一个地址的请求,并将第二个地址发送到外围设备以供外围设备用于访问处理器的物理存储空间。
    • 4. 发明申请
    • METHODS AND APPARATUS FOR SUPPORTING PERSISTENT MEMORY
    • 支持记忆的方法和设备
    • US20150032972A1
    • 2015-01-29
    • US14125741
    • 2013-07-26
    • Sridharan SakthiveluRobert Bruce BahnsenGerrit Saylor
    • Sridharan SakthiveluRobert Bruce BahnsenGerrit Saylor
    • G06F12/08
    • G06F12/0804G06F12/126
    • A processing device features a processing unit, a memory management system, and persistent memory in a persistent memory domain. The processing device provides an enhanced write-back (WB-E) memory space for an application running on the processing unit. The memory management system maps the WB-E memory space to the persistent memory. The application creates WB-E data by executing an instruction to store data to an address in the WB-E memory space. The WB-E data is automatically stored in a cache associated with the processing unit in response to creation of the WB-E data by the application. In response to execution of a commit instruction by the application after the application has created WB-E data for multiple memory addresses, the memory management system automatically ensures that all of the WB-E data for the application has been saved to the persistent memory domain. Other embodiments are described and claimed.
    • 处理设备具有处理单元,存储器管理系统和持久存储器域中的持久存储器。 处理设备为在处理单元上运行的应用提供增强的回写(WB-E)存储器空间。 存储器管理系统将WB-E存储器空间映射到持久存储器。 应用程序通过执行将数据存储到WB-E存储空间中的地址的指令来创建WB-E数据。 响应于应用程序创建WB-E数据,WB-E数据自动存储在与处理单元相关联的缓存中。 在应用程序创建了多个内存地址的WB-E数据之后,响应于应用程序执行提交指令,内存管理系统自动确保应用程序的所有WB-E数据都已保存到持久内存域 。 描述和要求保护其他实施例。