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Computer composition 9 interrupts and Exception 9.2 interrupt vector table structureI now know that when an operation is encountered in an abnormal situation, the first line of the first page to start writing the instructions of these operations, began to execute. Start down and this will solve the problem. But the problem is that this operation solves the problem that the result of my calculation cannot be
Author: wogoyixikexie @ gliet In the past, I had been wondering how this "arm exception, disruption, and their vector table" was, and how they actually implemented it, I did not expect to see the arm system developer's Guide: Design and optimizing system software chapter about arm exceptions, interruptions, and their vector t
Java basic knowledge note (1: modifier, vector, hash table), javaI. Features of the Java language (develop the habit of frequently viewing Java online help documentation) (1) Simplicity: Java is a new type of computer language simplified and improved on the basis of C and C ++ computer languages. It removes the pointers that are most difficult to correctly apply C and C ++ and the multi-inheritance technolo
Transferred from: http://blog.csdn.net/haolianglh/article/details/51986987Arm Break ConceptIn the 9th chapter of ARM Architecture and programming, there is a concept called "abnormal interruption" in arm, which is a variety of exceptions including external interrupts. Obviously, the concept of "abnormal interruption" of arm system is closer to the concept of "anomaly" in MIPS system.Since the MIPS system is more similar, the natural arm system has the concept of "abnormal interrupt Entry" and "E
Computer composition 9 interrupts and exceptions 9.3 interrupt vector table developmentNow the maker of the handbook has said that he left a table on the first page, a total of 256 lines. Although not complete now, but behind, with the continuous upgrade, the introduction of new manuals when? will continue to supplement some of the following provisions.Let us now
1. Compile the interrupt service routine Write the ISR function c_intxx in the. C source file for interrupt processing, such: Interrupt void c_intxx (void) { ...; } Note: For hardware interruptions, xx = 00 ~ 15. 2. initialize the interrupt vector table and configure the corresponding interrupt vector in the interrupt vector
Linux interrupt implementation method (I): Establishment of Interrupt registration method and abnormal vector table I have read some articles about Linux interrupt implementation on the internet, and I feel that some of them are very well written. Here I would like to thank them for their selfless efforts, then I want to add my understanding of some problems. Start with function registration. I. Method of i
Startup Method For S3C2440, there are two boot Methods: nor flash and NAND Flash. Start with nor flash The address range of nor flash is as follows: 0x0000. -0x0800.0000 (2 m nor flash) The bootsram address in the chip is set 0x4000. 109-0x4000.dfff (4 K bootsram) Because the code can be directly run in nor flash, bootsram is mapped to another address for other purposes. Program images are directly stored in nor flash, and the interrupt vector
"Lanmanck Original" This article has already said STM32 's start-up process: http://blog.csdn.net/lanmanck/article/details/8252560 We also know how to jump to the main function, then, after the interruption, then how to run to interrupt the entry address. As you can see from stm32f10x.s, a whole bunch of interrupt response functions have been defined, which is the interrupt vector table, designator __vector
as the exception vector table.3. Entrance: 00000000;?4. Anomaly Vector table: a table consisting of seven exception vectors and processing function jump relationships is the exception vector
Tags: blog HTTP Io OS ar SP strong on 2014 1. Base Address of the abnormal vector table S5pv210 specifies the base address of the exception vector 0xd003_4700 by default. When an exception is triggered, such as an interrupt, the base address of the exception vector 0xd003_4700 is specified by default in s5pv210, wi
1 -- notes about interrupt Vectors 1. Where is the interrupt vector table stored in the memory during system boot?When the system is just booting, the memory size from 0x00000 to 0x0003ff is 1 kb, which is used to store the interrupt vector table. Each interrupt vector occup
layer; 4 leaves the drive layer of the driver programming interface. three interrupt vector table 1 anomaly Vector tableARCH/ARM/KERNEL/ENTRY-ARMV. An anomaly vector table is preserved between _vectors_start and __vectors_end in S. [CPP] View Plain Copy .equstubs_offset,_
1 -- notes about interrupt Vectors 1. Where is the interrupt vector table stored in the memory during system boot?When the system is just booting, the memory size from 0x00000 to 0x0003ff is 1 kb, which is used to store the interrupt vector table. Each interrupt vector occu
"Lanmanck Original" This article has already said STM32 's start-up process: http://blog.csdn.net/lanmanck/article/details/8252560 We also know how to jump to the main function, then, after the interruption, then how to run to interrupt the entry address. As you can see from stm32f10x.s, a whole bunch of interrupt response functions have been defined, which is the interrupt vector table, designator __ve
Use of the adjacent table and comparison with the vector.In the past few days, I have encountered some questions that have high requirements for Edge building. However, it is difficult for a vector to build edges, So we learned the adjacent table .. The following are my views on the adjacent table.Storage Method of the adjacent tableAn adjacent
Interrupt vector table established by BIOS and DoS Absolute address in hexadecimal notation00 H 0 h 0 0 divisor interruptOverflow condition:Division type result---------------------------------Signed word Signed dual-character Unsigned word |> 255Unsigned double-character |> 65535---------------------------------DOS has an int H processing program, System"Divide overflo" is displayed.The execution of the pr
3.2 Interrupt vector table offset settings We explained earlier that when the system starts, the Systeminit function is called first to initialize the clock system, and the Systeminit also completes the Interrupt vector table settings. We can open the Systeminit function to see that there are several lines of co
ARM requires that the interrupt vector table be placed in a contiguous 32-byte space starting from the 0x00000000 address. The address of the interrupt vector defined by ARM9 in the vector table is as follows: When an interrupt occurs, the ARM processor forces the PC pointe
Exception Definitions:Because of internal or external events that cause the processor to stop working on the work being processed, instead of dealing with these occurrencesException type:1.reset0x000000002.undefine Instructions0x000000043.software Interrupt (Swi)0x000000084.prefetch bort (instruction fetch memory abort) 0x0000000c5.data Abort (data access memory abort)0x000000106.IRQ (interrupt)0x00000018 (Note: 0x00000014 not used)7.fiq (Fast Interrup)0x0000001cException vectors:When an excepti
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