interrupt-handling

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Call Int 13h in a ISR

I have written a ISR for int 9h by assembly in Real Mode. In this ISR, I call INT 13h, AH=0x02 for writing some data on Hard Disk. But data aren\'t written on Hard Disk. Also int 13h, ah=0x02 doesn\'t[详细]

2023-04-04 21:56 分类：问答
What is the difference between PIC (Programmable Interrupt Controller) and VIM (Vector Interrupt Controller)?

ARM processor related documentation talks ab开发者_运维知识库out VIC and I believe PIC comes from the Intel camp. Are they conceptually the same ?Yes they are conceptually the same. Every microprocess[详细]

2023-03-30 10:04 分类：问答
Difference between SoftIRQs and Tasklets

While studying Linux interrupt handling I found that Tasklets and SoftIRQs are two different methods of performing \"bottom half\" (lesser priority work). I understand this (quite genuine need).[详细]

2023-03-30 03:03 分类：问答
Avr-gcc: Timer/counter interrupts conflicting with UART?

Please consider the following example (tried on Arduino IDE 0022, Ubuntu 11.04, Arduino AtMEGA 2560), where I\'m trying to start a timer/counter interrupt and use the Arduino Serial class at the same[详细]

2023-03-27 14:03 分类：问答
How to save the registers on x86_64 for an interrupt service routine?

I am looking at some old code from a school project, and in trying to compile it on my laptop I ran into some problems. It was originally written for an old 32 bit version of gcc. Anyway I was trying[详细]

2023-03-22 22:19 分类：问答
Floating point operations in interrupt handler (PowerPC, VxWorks)

I haven\'t found any resources that exactly answer what I am trying to understand with an issue I saw in a piece of software I am working on, so I\'ll ask the geniuses here![详细]

2023-03-18 04:43 分类：问答
Vectored interrupts

What is the difference between vector开发者_如何学Pythoned and non vectored interrupts? I thought all interrupts had to be vectored interrupts... After all don\'t all interrupts have a vector number[详细]

2023-03-16 15:42 分类：问答
access parallel port interrupts in python under linux

Is there any such thing as a python module that will allow me to access parallel port interrupts (pin 10) under Linux?[详细]

2023-03-11 11:31 分类：问答
Why does the IA-32 architecture push the EFLAGS register onto the stack prior to calling an interrupt handler?

Is it just because the EFLAGS register works like a switch? So when it\'s active, the interrupt is enabled, otherwise, it\'s not?[详细]

2023-02-28 15:49 分类：问答
perl invokes shell-- interrupt ^C stops the shell, not the perl

I want to use a Perl script to batch a rep开发者_开发知识库etitive operation which is invoked with system(). When something goes wrong and I want to interrupt this script, the ^C is captured by the sh[详细]

2023-02-16 14:59 分类：问答