sysdm cpl

Control Unit performs the following operations: 1. Determine the vector I (0 ≤ I ≤ 255) associated with the interrupt or exception ).2. Read the I entry in the IDT table directed by the idtr register (in the following analysis, we assume that the IDT table item contains an interrupt door or a trap door ).3. Obtain the base address of gdt from the GDTR register and search for it in gdt to read the segment descriptor identified by the selector in the IDT table. This descriptor specifies the base

Interrupt service program. Here, the CPU will be based on the current CS register in the CPL and GDT segment descriptor of DPL, to ensure that the interrupt service program is higher than the current program, if the interrupt is a programming exception (such as: int 80h system call), then also check the CPL and IDT table in the interrupt descriptor DPL, To ensure that the current program has permission to

Not long ago, Inprise Company (formerly Borland Company) officially announced Delphi version 5.0, its development wizards support the "Control Panel program (CPL)" framework of the generation, using it can quickly and easily develop CPL programs. Is it possible to develop CPL programs in the existing Borland C + + Builder? A

priority (CPL ). The segment descriptor is an 8-byte representation of the segment. It is stored in the Global Descriptor Table (gdt) and Local Descriptor Table (LDT). Because the segment descriptor contains a large amount of content, we will not describe them here. The key is a two-digit descriptor privilege level (DPL), which is mainly used to restrict access to this segment. It indicates the Minimum CPU priority that can access this segment. The

the lgpl protocol code, secondary Development of commercial software is implemented through modification and derivative methods. Cpl (common public liecense) vesion 1.0CPL is an open source protocol proposed by IBM and approved by OSI (Open Source Initiative. It is mainly used in some open-source software/projects related to IBM or IBM. Such as the well-known Java Development Environment eclipse and the RIA development platform open Laszlo.

software code. This allows open source code using the lgpl protocol to be referenced by commercial software as a class library andRelease and sales. However, if you modify or derive the lgpl protocol code, all the modified Code, the additional code involved in the modification part, and the derived code must adopt the lgpl protocol. Therefore, the open-source lgpl ProtocolCode can be referenced by commercial software as a third-party class library, but it is not suitable for commercial softwa

source or commercial products. lgpl The LGPL is an open source protocol for the GPL that is designed primarily for use in class libraries. And the GPL requires that any software that uses/modifies/derives from the GPL library must be different from the GPL agreement. LGPL allows commercial software to use the LGPL class library through the Class Library Reference (link) without the need for code for open source commercial software. This allows open source code with the LGPL protocol to b

descriptor is the No. 0 descriptor in the GDT and is a special descriptor. The target code snippet descriptor cannot be an empty descriptor, or the 14-bit height of the selected child cannot be 0. (2) The target code segment descriptor is read from the global or local descriptor table. By selecting the TI bits within the child, the Global descriptor table or the local descriptor list is used. (3) According to the situation, the detection descriptor type is correct, adjust RPL. (4) Loading th

is equal to the largest PGCLCpl:consistency Point LSNCPL is provided by the database to tell the storage node layer which logs can be persisted, in fact, this and the file system to ensure that the atomicity of multiple operations is the same way.Why need CPL, can understand so, database need to tell storage node I have confirmed which logs, may have some logs I have submitted to storage node, but because the log needs truncate rollback operation, Th

How to clear the IE cache by programming in PowerShell This article mainly introduces how to clear the IE cache by programming in PowerShell. The code in this article is also applicable to batch processing programs. For more information, see Use rundll32.exe to run the corresponding functions of Internet Options: Temporary Internet Files (Temporary Internet Files) RunDll32.exe InetCpl. cpl, ClearMyTracksByProcess 8 Cookies RunDll32.exe InetCpl.

protocol.Lgpl allows commercial software to use the lgpl class library through class library reference (Link) without the need for open source commercial software code. This allows open source code using the lgpl protocol to be used by commercial software as a class.Database reference concurrency distribution and sales.However, if you modify or derive the lgpl protocol code, all the modified Code, the additional code involved in the modification part, and the derived code must adopt the lgpl pr

From: http://hi.baidu.com/formerdays/blog/item/5ddaad4e06564e0eb3de05c1.html In the bucket descriptor, the type of the attribute area consists of 0-3 bits. Bit 3 is called the e bit, E = 1, indicating that this descriptor is used to describe the code segment. Bit 2 is called a C bit. Bit c = 1 indicates that the corresponding code segment is a consistent code segment; bit c = 0 indicates that the corresponding code segment is not a consistent code segment. The so-called "consistent code segm