A processor, capable of operation in a host machine, including memory management logic to support a plurality of memory types for a physical memory access by the processor, and virtualization support logic to determine a host memory type for a refere…

1 Types of memory 2 Characteristics…

1.前言 2. Memory类型和属性 memory分为normal memory和device memory,两种类型的Memory有各自的属性,除了下面介绍的几种属性外,还有其他一些杂项属性 2.1 Normal Memory Shareable  Normal Memory 可以被所有的PE访问, 包括:Inner Shareable, and Outer Shareable: Non-shareable Normal Memory 只能被唯一的PE访问; Cacheability属性 N…

BACKGROUND INFORMATION Various mechanisms exist for managing memory in a virtual machine environment. A virtual machine platform typically executes an underlying layer of software called a virtual machine monitor (VMM) which hosts one to many operati…

ARM: STM32F7: hardfault caused by unaligned memory access ARM: STM32F7: 由未对齐的内存访问引起的hardfault异常 Information in this knowledgebase article applies to: 这个知识库文章中的信息适用于: MDK-ARM Version 5 SYMPTOM 症状 If a STM32F7xx microcontroller is used with an external…

ROM Read-only memory (ROM) is a class of storage medium used in computers and other electronic devices. Data stored in ROM can only be modified slowly, with difficulty, or not at all, so it is mainly used to distribute firmware(software that is very…

来源:https://msdn.microsoft.com/en-us/library/windows/desktop/aa366778(v=vs.85).aspx Limits on memory and address space vary by platform, operating system, and by whether the IMAGE_FILE_LARGE_ADDRESS_AWARE value of the LOADED_IMAGEstructure and 4-gigab…

ES进行如下聚合操作时,会报如题所示错误: ➜ Downloads curl -XPOST 'localhost:9200/bank/_search?pretty' -d ' { "size": 0, "aggs": { "group_by_state": { "terms": { "field": "state" } } } }' 提示报错如下: { "error"…

AArch32,arm的32bit架构: AArch64,arm的64bit架构: ARMv8.2-LPA,是armv8.2中的新feature,扩大了IPA和PA的支持范围,从48bit扩展到52bit. armv8-a core内部使用virtual memory,内部通过mmu转换为physical address. mmu的好处: 1)允许system同时运行多个task,各个task之间完全是地址透明的. 2)同一个task,code在编写的时候,也完全不需要了解processor内部…

Memory Limits for Windows and Windows Server Releases This topic describes the memory limits for supported Windows and Windows Server releases. Memory and Address Space Limits Physical Memory Limits: Windows 10 Physical Memory Limits: Windows 8 Physi…