公开(公告)号：US20060036791A1

公开(公告)日：2006-02-16

申请号：US11251282

申请日：2005-10-13

申请人： Stalinselvaraj Jeyasingh ,  Andrew Anderson ,  Steven Bennett ,  Erik Cota-Robles ,  Alain Kagi ,  Gilbert Neiger ,  Richard Uhlig

发明人： Stalinselvaraj Jeyasingh ,  Andrew Anderson ,  Steven Bennett ,  Erik Cota-Robles ,  Alain Kagi ,  Gilbert Neiger ,  Richard Uhlig

IPC分类号： G06F13/24

CPC分类号： G06F13/24 ,  G06F9/45533 ,  G06F9/4812

摘要： In one embodiment, an apparatus includes a set of multiplex blocks coupled with an interrupt controller and multiple interrupt request lines, and a virtual machine monitor block (VMM) coupled to the set of multiplex blocks. Each multiplex block corresponds to a distinct interrupt request line. Each multiplex block is to route the interrupt request signal received via the corresponding interrupt request line either to the interrupt controller or the VMM block depending on a current configuration value of this multiplex block.

摘要翻译： 在一个实施例中，装置包括与中断控制器和多个中断请求线耦合的一组多路复用块以及耦合到该多路复用块集合的虚拟机监视块（VMM）。 每个复用块对应于不同的中断请求行。 每个多路复用块将根据该多路复用块的当前配置值将经由相应的中断请求线接收到的中断请求信号发送到中断控制器或VMM块。

公开(公告)号：US20050240819A1

公开(公告)日：2005-10-27

申请号：US10814569

申请日：2004-03-30

申请人： Steven Bennett ,  Andrew Anderson ,  Erik Cota-Robles ,  Stalinselvaraj Jeyasingh ,  Alain Kagi ,  Gilbert Neiger ,  Richard Uhlig ,  Sanjoy Mondal ,  Jason Brandt

发明人： Steven Bennett ,  Andrew Anderson ,  Erik Cota-Robles ,  Stalinselvaraj Jeyasingh ,  Alain Kagi ,  Gilbert Neiger ,  Richard Uhlig ,  Sanjoy Mondal ,  Jason Brandt

IPC分类号： G06F9/44 ,  G06F9/455 ,  G06F11/00 ,  G06F11/36

CPC分类号： G06F11/3664 ,  G06F9/45558 ,  G06F2009/45579 ,  G06F2009/45591

摘要： In one embodiment, a method includes receiving a request to transition control to a virtual machine (VM) from a virtual machine monitor (VMM), determining that a single-stepping indicator is set to a single stepping value, and transitioning control to the VM. Further, if an execution of a first instruction in the VM completes successfully, control is transitioned to the VMM following the successful completion of the execution of the first instruction.

摘要翻译： 在一个实施例中，一种方法包括从虚拟机监视器（VMM）接收向虚拟机（VM）转换控制的请求，确定单步指标被设置为单个步进值，以及将控制转换到VM 。 此外，如果VM中的第一指令的执行成功完成，则在成功完成第一指令的执行之后，将控制转换到VMM。

公开(公告)号：US20050240700A1

公开(公告)日：2005-10-27

申请号：US10816233

申请日：2004-03-31

申请人： Steven Bennett ,  Andrew Anderson ,  Erik Cota-Robles ,  Stalinselvaraj Jeyasingh ,  Alain Kagi ,  Gilbert Neiger ,  Richard Uhlig

发明人： Steven Bennett ,  Andrew Anderson ,  Erik Cota-Robles ,  Stalinselvaraj Jeyasingh ,  Alain Kagi ,  Gilbert Neiger ,  Richard Uhlig

IPC分类号： G06F9/455 ,  G06F9/48 ,  G06F13/28

CPC分类号： G06F9/45558 ,  G06F2009/45591

摘要： In one embodiment, a method includes transitioning control to a virtual machine (VM) upon receiving a request from a virtual machine monitor (VMM), determining that the request to transition control is associated with a request to be informed of an open event window, performing an event window check to determine whether an even window of the VM is open, and transitioning control to the VMM if the event window check indicates that the event window of the VM is open.

摘要翻译： 在一个实施例中，一种方法包括：在接收到来自虚拟机监视器（VMM）的请求时，将控制转换到虚拟机（VM），确定转换控制请求与被通知打开事件窗口的请求相关联， 执行事件窗口检查以确定VM的偶数窗口是否打开，以及如果事件窗口检查指示VM的事件窗口打开，则将控制转换到VMM。

公开(公告)号：US07272831B2

公开(公告)日：2007-09-18

申请号：US09823482

申请日：2001-03-30

申请人： Erik Cota-Robles ,  Stephen Chou ,  Stalinselvaraj Jeyasingh ,  Alain Kagi ,  Michael Kozuch ,  Gilbert Neiger ,  Richard Uhlig

发明人： Erik Cota-Robles ,  Stephen Chou ,  Stalinselvaraj Jeyasingh ,  Alain Kagi ,  Michael Kozuch ,  Gilbert Neiger ,  Richard Uhlig

IPC分类号： G06F9/455 ,  G06F13/10 ,  G06F9/54

CPC分类号： G06F9/45558 ,  G06F2009/45579

摘要： A method and apparatus for constructing host processor soft devices independent of the host processor operating system are provided. In one embodiment, a driver of a soft device is implemented in a virtual machine monitor (VMM), and the soft device is made available for use by one or more virtual machines coupled to the VMM. In an alternative embodiment, a software component of a soft device is implemented in a first virtual machine that is coupled to a VMM, and the soft device is made available for use by a second virtual machine coupled to the VMM.

摘要翻译： 提供了用于构建独立于主机处理器操作系统的主处理器软设备的方法和装置。 在一个实施例中，软质装置的驱动器在虚拟机监视器（VMM）被实现，并且软设备由耦合到VMM的一个或多个虚拟机提供使用。 在一个替代实施例中，柔软的装置的软件组件在被耦合到VMM的第一虚拟机中实现，并且软设备由耦合到VMM的第二虚拟机提供使用。

公开(公告)号：US20050080934A1

公开(公告)日：2005-04-14

申请号：US10676584

申请日：2003-09-30

申请人： Erik Cota-Robles ,  Andy Glew ,  Stalinselvaraj Jeyasingh ,  Alain Kagi ,  Michael Kozuch ,  Gilbert Neiger ,  Richard Uhlig

发明人： Erik Cota-Robles ,  Andy Glew ,  Stalinselvaraj Jeyasingh ,  Alain Kagi ,  Michael Kozuch ,  Gilbert Neiger ,  Richard Uhlig

IPC分类号： G06F12/10 ,  G06F3/00

CPC分类号： G06F12/1027 ,  G06F9/30076 ,  G06F12/1036 ,  G06F2212/151

摘要： One embodiment of the present invention is a technique to invalidate entries in a translation lookaside buffer (TLB). A TLB in a processor has a plurality of TLB entries. Each TLB entry is associated with a virtual machine extension (VMX) tag word indicating if the associated TLB entry is invalidated according to a processor mode when an invalidation operation is performed. The processor mode is one of execution in a virtual machine (VM) and execution not in a virtual machine. The invalidation operation belongs to a non-empty set of invalidation operations composed of a union of (1) a possibly empty set of operations that invalidate a variable number of TLB entries, (2) a possibly empty set of operations that invalidate exactly one TLB entry, (3) a possibly empty set of operations that invalidate the plurality of TLB entries, (4) a possibly empty set of operations that enable and disable use of virtual memory, and (5) a possibly empty set of operations that configure physical address size, page size or other virtual memory system behavior in a manner that changes the manner in which a physical machine interprets the TLB entries.

公开(公告)号：US07191440B2

公开(公告)日：2007-03-13

申请号：US09931072

申请日：2001-08-15

申请人： Erik Cota-Robles ,  Sebastian Schoenberg ,  Stalinselvaraj Jeyasingh ,  Alain Kagi ,  Michael Kozuch ,  Gilbert Neiger ,  Richard Uhlig

发明人： Erik Cota-Robles ,  Sebastian Schoenberg ,  Stalinselvaraj Jeyasingh ,  Alain Kagi ,  Michael Kozuch ,  Gilbert Neiger ,  Richard Uhlig

IPC分类号： G06F9/48 ,  G06F9/50 ,  G06F9/455

CPC分类号： G06F9/4881 ,  G06F9/45541 ,  G06F9/45558 ,  G06F11/3466 ,  G06F2009/45566 ,  G06F2009/45591 ,  G06F2201/805 ,  G06F2201/86 ,  G06F2201/88

摘要： Transitions among schedulable entities executing in a computer system are tracked in computer hardware or in a virtual machine monitor. In one aspect, the schedulable entities are operating system processes and threads, virtual machines, and instruction streams executing on the hardware. In another aspect, the schedulable entities are processes or threads executing within the virtual machines under the control of the virtual machine monitor. The virtual machine monitor derives scheduling information from the transitions to enable a virtual machine system to guarantee adequate scheduling quality of service to real-time applications executing in virtual machines that contain both real-time and non-real-time applications. In still another aspect, a parent virtual machine monitor in a recursive virtualization system can use the scheduling information to schedule a child virtual machine monitor that controls multiple virtual machines.

摘要翻译： 在计算机系统中执行的可调度实体之间的转换在计算机硬件或虚拟机监视器中进行跟踪。 在一个方面，可调度实体是在硬件上执行的操作系统进程和线程，虚拟机和指令流。 在另一方面，可调度实体是在虚拟机监视器的控制下在虚拟机内执行的进程或线程。 虚拟机监视器从转换中导出调度信息，以使虚拟机系统能够保证对包含实时应用程序和非实时应用程序的虚拟机中执行的实时应用程序的适当调度服务质量。 在另一方面，递归虚拟化系统中的父虚拟机监视器可以使用调度信息来调度控制多个虚拟机的子虚拟机监视器。

公开(公告)号：US07035963B2

公开(公告)日：2006-04-25

申请号：US09752587

申请日：2000-12-27

申请人： Gilbert Neiger ,  Stephen Chou ,  Erik Cota-Robles ,  Stalinselvaraj Jeyasingh ,  Alain Kagi ,  Michael Kozuch ,  Richard Uhlig ,  Sebastian Schoenberg

发明人： Gilbert Neiger ,  Stephen Chou ,  Erik Cota-Robles ,  Stalinselvaraj Jeyasingh ,  Alain Kagi ,  Michael Kozuch ,  Richard Uhlig ,  Sebastian Schoenberg

IPC分类号： G06F12/00

CPC分类号： G06F9/45558 ,  G06F12/0284 ,  G06F12/109 ,  G06F2009/45583

摘要： In one embodiment, a method for resolving address space conflicts includes detecting that a guest operating system attempts to access a region occupied by a first portion of a virtual machine monitor and relocating the first portion of the virtual machine monitor within the first address space to allow the guest operating system to access the region previously occupied by the first portion of the virtual machine monitor.

公开(公告)号：US20050080937A1

公开(公告)日：2005-04-14

申请号：US10973678

申请日：2004-10-25

申请人： Erik Cota-Robles ,  Stalinselvaraj Jeyasingh ,  Alain Kagi ,  Michael Kozuch ,  Gilbert Neiger ,  Richard Uhlig

发明人： Erik Cota-Robles ,  Stalinselvaraj Jeyasingh ,  Alain Kagi ,  Michael Kozuch ,  Gilbert Neiger ,  Richard Uhlig

IPC分类号： G06F12/10 ,  G06F3/00

CPC分类号： G06F12/1027 ,  G06F9/30076 ,  G06F12/1036 ,  G06F2212/151

摘要： One embodiment of the present invention is a technique to invalidate entries in a translation lookaside buffer (TLB). A TLB in a processor has a plurality of TLB entries. Each TLB entry is associated with a virtual machine extension (VMX) tag word indicating if the associated TLB entry is invalidated according to a processor mode when an invalidation operation is performed. The processor mode is one of execution in a virtual machine (VM) and execution not in a virtual machine. The invalidation operation belongs to a non-empty set of invalidation operations composed of a union of (1) a possibly empty set of operations that invalidate a variable number of TLB entries, (2) a possibly empty set of operations that invalidate exactly one TLB entry, (3) a possibly empty set of operations that invalidate the plurality of TLB entries, (4) a possibly empty set of operations that enable and disable use of virtual memory, and (5) a possibly empty set of operations that configure physical address size, page size or other virtual memory system behavior in a manner that changes the manner in which a physical machine interprets the TLB entries.

摘要翻译： 本发明的一个实施例是使翻译后备缓冲器（TLB）中的条目无效的技术。 处理器中的TLB具有多个TLB条目。 当执行无效操作时，每个TLB条目与虚拟机扩展（VMX）标签字相关联，指示相关联的TLB条目是否根据处理器模式而无效。 处理器模式是虚拟机（VM）中的执行之一，而不是虚拟机中的执行。 无效操作属于一个无效的无效操作集合，它由（1）可能为空的操作集合组合，使一组可变数量的TLB条目无效，（2）一组可能的空白操作，使一个TLB无效 条目，（3）使多个TLB条目无效的可能的一组操作，（4）启用和禁用虚拟存储器的使用的可能的一组可能的空操作，以及（5）配置物理的可能的一组操作 地址大小，页面大小或其他虚拟内存系统行为，以改变物理机器解释TLB条目的方式。

公开(公告)号：US07313669B2

公开(公告)日：2007-12-25

申请号：US11069889

申请日：2005-02-28

申请人： Gilbert Neiger ,  Stephen Chou ,  Erik Cota-Robles ,  Stalinselvaraj Jeyasingh ,  Alain Kagi ,  Michael Kozuch ,  Richard Uhlig ,  Sebastian Schoenberg

发明人： Gilbert Neiger ,  Stephen Chou ,  Erik Cota-Robles ,  Stalinselvaraj Jeyasingh ,  Alain Kagi ,  Michael Kozuch ,  Richard Uhlig ,  Sebastian Schoenberg

IPC分类号： G06F12/00

CPC分类号： G06F9/45537 ,  G06F12/1036 ,  G06F12/1491

摘要： In one embodiment, a method for supporting address translation in a virtual-machine environment includes creating a guest translation data structure to be used by a guest operating system for address translation operations, creating an active translation data structure based on the guest translation data structure, and periodically modifying the content of the active translation data structure to conform to the content of the guest translations data structure. The content of the active translation data structure is used by a processor to cache address translations in a translation-lookaside buffer (TLB).

摘要翻译： 在一个实施例中，一种用于在虚拟机环境中支持地址转换的方法包括：创建要由客户机操作系统用于地址转换操作的客户翻译数据结构，基于访客翻译数据结构创建活动翻译数据结构， 并且周期性地修改活动翻译数据结构的内容以符合客人翻译数据结构的内容。 处理器使用活动翻译数据结构的内容来缓存翻译后备缓冲器（TLB）中的地址转换。

公开(公告)号：US20050240751A1

公开(公告)日：2005-10-27

申请号：US11069889

申请日：2005-02-28

申请人： Gilbert Neiger ,  Stephen Chou ,  Erik Cota-Robles ,  Stalinselvaraj Jeyasingh ,  Alain Kagi ,  Michael Kozuch ,  Richard Uhlig ,  Sebastian Schoenberg

发明人： Gilbert Neiger ,  Stephen Chou ,  Erik Cota-Robles ,  Stalinselvaraj Jeyasingh ,  Alain Kagi ,  Michael Kozuch ,  Richard Uhlig ,  Sebastian Schoenberg

IPC分类号： G06F9/455 ,  G06F12/10 ,  G06F12/14 ,  G06F12/08

CPC分类号： G06F9/45537 ,  G06F12/1036 ,  G06F12/1491

摘要： In one embodiment, a method for supporting address translation in a virtual-machine environment includes creating a guest translation data structure to be used by a guest operating system for address translation operations, creating an active translation data structure based on the guest translation data structure, and periodically modifying the content of the active translation data structure to conform to the content of the guest translations data structure. The content of the active translation data structure is used by a processor to cache address translations in a translation-lookaside buffer (TLB).

摘要翻译： 在一个实施例中，一种用于在虚拟机环境中支持地址转换的方法包括：创建要由客户机操作系统用于地址转换操作的客户翻译数据结构，基于访客翻译数据结构创建活动翻译数据结构， 并且周期性地修改活动翻译数据结构的内容以符合客人翻译数据结构的内容。 处理器使用活动翻译数据结构的内容来缓存翻译后备缓冲器（TLB）中的地址转换。