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upstream stable Linux kernel. the mainline v3.0 to v3.2 stable series update brings a number of new features. some highlights include: Ext4 gains support for larger base block sizesBtrfs has more work addressing data integrity issuesDevice mapper gains thin provisioning and recursive snapshotsMore work to improve performance under high writeback loadNetworking improvements for congested networksExt3 moves to using filesystem barriersMemory allocator improvementsVFS scalability improvementsA new

quite complex. The problem arises from internal policies, preferences, issues left behind by other schemes, lack of comprehensive or accurate information, and costs-the overall product cost needs to be taken into account, not just the CPU itself. Sometimes, once you take into account the bus logic and latency required for the CPU to use other peripheral devices, the fast and cheap CPU may also become expensive. To calculate the CPU speed required for any given project, we must first realistical

would return SRC with the byte order SWA pped; Otherwise it would return SRC unmodified.This function is introduced in Qt 4.3.T Qfromlittleendian (const UCHAR * src)Reads a Little-endian number from memory location, SRC and returns the number in the host byte order representation. On CPU architectures where the host byte order was Big-endian (such as PowerPC) this would swap the byte order; Otherwise it would just read from SRC.Note:template type T c

Software Development Kit release for Windows NT. 1993.8 Windows NT 3.1 was eventually released. 1993.10 Microsoft released the first patch (Service Pack) for NT 3.1, which fixed more than 90 errors. 1993.12 Motorola and Microsoft Inc. announced the introduction of Windows NT into the PowerPC platform. 1994.8 NT first release upgrade version (NT 3.5). The first version of Office for Windows NT contains the 32-bit version of Word and Excel. At the same

U-boot network card drive Architecture Http://www.jollen.org/blog/2006/09/uboot_driver.html Jollen posted on September 18,200 6 pm Let's renew the PowerPC! Sort out the driver of this porting PowerPC network card. Today, we will sort out the priorities of the architecture. To understand the following content, you must at least have basic knowledge about the following topics: (1) how to use confi

to be relaxed, resulting in the relaxed memory order (RMO) and PowerPC memory models. Note that the processor's relaxation of read/write operations is premised on the absence of data dependencies between two operations (because the processor adheres to the as-if-serial semantics, the processor does not reorder the two memory operations that have data dependencies).The following table shows the details of the common processor memory model:

to the host Sequence In systems using little endian, these functions convert the byte order. In systems using the big endian type, these functions are defined as empty macros. During network program development or cross-platform development, you should also ensure that only one byte sequence is used. Otherwise, different interpretations of the two parties may cause bugs. Note: 1. Network and host byte Conversion Function: htons ntohs htonl ntohl (s means that short L is long H is host N is n

, VxWorks, QNX, RTEMS, Artos, and lynxos embedded operating systems. U-boot supports the processors of PowerPC, MIPS, x86, arm, NiO, XScale, and many other common systems. The development goal of the U-boot project is to support as many embedded processors and operating systems as possible. Features of U-boot: > Open source code; > Supports multiple embedded operating system kernels, such as linuxnetbsd, VxWorks, QNX, RTEMS, Artos, and lynxos; > Suppo

Forward for friends Requirements:Proficient in C ++, OBD early protocol, CAN protocol, ky2000Experienced in the automotive industry The details are as follows: No1:Job title:Software EngineerFLSA status: exemptDivision/location: service solutions, China Department: EngineeringRevision/Date: aug.29, 2006Reports to: Software Application Engineering Supervisor General summary Designs, prototypes, tests and documents new and existing electronic product consistent with customer cost, sche

(Conversion) U-boot analysis-[Detailed description of Embedded Linux System Development Technology-Based on ARM] 2 6.2.1 Introduction to the U-boot Project At first, Wolfgang Denk of the denx software engineering center created a ppcboot project based on the 8xxrom source code and added support for the processor. Later, sysgo GmbH transplanted ppcboot to the ARM platform and created the armboot project. Then, the U-boot project is created based on the ppcboot project and armboot project. At pres

Partition Table types supported by Apple The MAC system supports the following three hard disk partitions: Guid It is a new partition table used by Intel processor Apple computer, also known as guid Partition Table and GPT, which is a part of the EFI standard. For details, see Wikipedia's explanation: guid parttion table. On an Intel processor Mac computer, you can use guid and APM Partition Table hard disk to start the machine. GUID is the partition table format recommended by Apple. For

Objective: To understand and master the basic knowledge of qualified hardware engineers in detail based on actual experience and actual projects. 1) Basic Design Specifications 2) Guidance on CPU basic knowledge, architecture, performance, and selection 3) Motorola's PowerPC series of basic knowledge, performance details and Selection Guide 4) basic knowledge, architecture, performance, and selection of network processors (Intel, Motorola, and IBM) 5)

The original source cannot be found. When I wrote "getting started with the neon iPhone", I thought that the reader had a better understanding of the processor knowledge of iOS devices. However, after reading some discussions on the internet, I found that the original knowledge is not popular, and it is my fault. In addition, I think understanding these things is helpful for iPhone programming (not just for those who like neon)Even if you are using objective-C, even if you do not understand it

ReviewBefore the iphone came out, Apple's main compiler technology was to use a slightly improved GCC toolchain to compile code from the Objective-c language to produce native executable programs on the specified machine processor. The executable program generated by the compiler is called "Fat Binaries"-- Similar to the Windows under the PE format of the EXE and the Linux under the elf format of binary, the difference is that a "Fat Binary" can contain many versions of the same program, So the

Source code All in directory:/usr/src/linux (most Linux distributions) init kernel initialization code kernel kernel core: process, timing, program execution, signal, module ...MM Memory ProcessingArch Platform related CodeI386 IBM PC Architecture Kernel kernel core part mm memory management Math-emu floating point unit software emulation LIB Hardware related tool function boot bootloader Compressed compression kernel process tools to generate compressed kernel Images Alpha Compaq Alpha Architec

Linus Torvalds my pronunciation as prevail. So what is Linux? Linux has two different meanings. From a strict technical definition, Linux refers to the kernel of an open source Unix-like operating system. However, most people now use it to represent the entire operating system based on the Linux kernel. In this sense, Linux refers to open source, Unix-like operating systems that contain kernels, system tools, complete development environments, and applications. It is a powerful and stable op

many ways, and it supports multi-user, multiple processes, multithreading, real-time, powerful, and stable, and can run on Intel processors, Dec Alphas, Motorola's m68k processors, Sun Sparc, PowerPC, MIPS and other platforms, can run the hardware platform is currently the most. Like a modern Unix operating system, it also has virtual memory, shared libraries, command mounts, copy-execution-write-disk operations, proper memory management, and TCP/IP

mechanism.What we call the platform is composed of CPU and operating system, there are many kinds of CPU, such as INTER,AMD and so on. These different brands of CPU use the instruction set. While the operating system is the interface software that acts as the interaction between the user and the computer, different operating systems support different CPUs, and in a strict sense, different operating systems support different CPU instruction sets. For example, both Windows and LIUNX support compl

This article takes mysql-5.1.66-aix5.3-powerpc-64bit.tar.gz as an exampleWhere: Mysql-5.1.66:mysql versionAix5.3:aix versionPowerpc:aix Machine CPU Model64bit: Number of digitsInstallation Machine Condition:1. Download the MySQL Package: http://dev.mysql.com/downloads/2. Unpack the GZ PackageRoot-shell> Gunzip mysql-5.1.66-aix5.3-powerpc-64bit.tar.gzRoot-shell> Tar xvf Mysql-5.1.66-aix5.3-

scenario analysis, and in the first chapter of the book there is an introduction to the mixed programming of C language assembly in GCC, and the compiler used by VxWorks is gcc!You might as well try it out, so you have the following code: /*****************gettsc-get TSC count************************************* Get the TSC (timestamp counter) count value, put the counter high in Phi, low deposit plo** returns:n/a ************************************************************************