android kernel development

Linux Kernel series-10. Operating System Development kernel HelloWorld, linuxhelloworld A. Let's first try assembly programming in Linux. For details, refer to the code. [Section. data]; data in strHellodb "Hello, world! ", 0 AhSTRLENequ $-strHello [section. text]; Code in this global _ start; we must export the _ start entry so that the linker can recognize _ st

]; Code in this global _start; We must export the _start to allow the linker to identify the global myprint; Export this function in order for BAR.C to use _start:pushdword [num2nd]; '. Pushdword [num1st]; | Callchoose; | Choose (num1st, num2nd); Addesp, 8; /MOVEBX, 0moveax, 1; sys_exitint0x80; system calls; void Myprint (char* msg, int len) Myprint:movedx, [ESP + 8]; LENMOVECX, [ESP + 4]; MSGMOVEBX, 1moveax, 4; sys_writeint0x80; System call RET1. Because the function myprint () is used in bar

announcement successful porting android to zauraus-sl-c760 detailed method description link:Http://euedge.com/blog/2007/12/06/google-android-runs-on-sharp-zaurus-sl-c760/ (3) follow the work of the pioneers, successfully transplanted android to the zauraus-c3000 method:Http://androidzaurus.seesaa.net/article/74237419.html (4) This article is written in conjuncti

Measurement of the time differenceThe system's timer hardware generates a clock interrupt at a fixed frequency, with the interval of always interrupting being determined by the Hz constant, usually between 50~1200 and x86 by default of 1000. Hz can be configured according to different cores.Linux uses jiffies (unsigned long) to count clock interrupts. Whenever a clock interrupt occurs, the value of jiffies will be + 1, so jiffies records the total number of clock interrupts since the system was

In the age of smartphones, each brand's mobile phone has its own personality characteristics. It is the unique personality to attract users, create brand cohesion and loyalty to the city, the typical representative of the non-iphone. According to statistics, as of May 2011, the App Store software number of 381,062, ranked first, while the Android Market application software number of 294738, followed by the App Store, and is expected to cross the app

Because the Linux kernel changes very quickly, each iteration between the data structure, the interface is likely to change, so for our write kernel module compatibility brings some problems, often in a version of the module can be compiled normally, the other module on the compilation failed, this time we need to do the kernel version compatible, Here's how to f

compiling Android system source code and kernel source codeCategory: Android2014-07-21 20:58 7287 people read review (in English) Collection report For a long time did not write blog, the reason is not written, mainly work on the matter, found that the recent brain is not enough to write something today? I have compiled the Android system source code and the

How to add new key to Android from kernel to Android framework and Android Application Test Kernel layer: 1: We use kernel matrix-keypad to register 3*3 key # Ifdef config_keyboard_matrix/* Gpio matrix keyboard */Static const uint

Yang Chinese translator: Jong Triplex Chung Chen Qi Maggie Chen Cong Wang Cong The following is the text---------------------------------------------------------------------How to participate in Linux kernel development---------------------This is the ultimate secret to clean sweep about how to participate in Linux kernel de